3GPP2 C - 中国通信标准化协会 Requirements of Link... · 20 OLC OverLoad Class ... 27 R-CCCH Reverse Common Control Channel 28 R-DCCH Reverse Dedicated Control Channel 29

T E L E C O M M U N I C A T I O N I N D U S T R Y S T A N D A R D

YD

YD/T 1838.3-2008

Technical Requirements of Link Access Control (LAC) for the CDMA-based Digital Trunking Mobile Communication

System

(V1.0)

Released in November 5th, 2008 Implemented from February 1st, 2009

Released by Ministry of Industry and Information Technology,

People’s Republ ic of China

YD/ T 1838 .3 -2008

ii

CONTENT 1

CONTENT.............................................................................................................................. ii 2

FOREWORD ......................................................................................................................... iii 3

1 GENERAL ....................................................................................................................... 1 -1 4

1 .1 Gen era l In form a t ion .................................................................................................. 1 -1 5

1 .1 .1 Scope .................................................................................................................. 1 -1 6

1 .1 .2 Referen ce ............................................................................................................ 1 -1 7

1 .1 .3 Abbrevia tion ........................................................................................................ 1 -3 8

1 .1 .4 Term s .................................................................................................................. 1 -5 9

1 .1 .5 Nu m eric In form a t ion ......................................................................................... 1 -10 10

1 .2 Con cep tu a l Model ................................................................................................... 1 -12 11

1 .2 .1 Gen era l Arch itectu re ......................................................................................... 1 -13 12

1 .2 .2 Protocol Su bla yers ............................................................................................ 1 -13 13

1 .2 .3 Logica l Ch an n els ............................................................................................... 1 -14 14

1 .2 .4 In terfa ces .......................................................................................................... 1 -18 15

1 .2 .5 Fu n ct ion al Des crip tion ...................................................................................... 1 -23 16

1 .2 .6 ARQ Model ........................................................................................................ 1 -35 17

2 MOBILE STATION REQUIREMENTS ............................................................................... 2 -1 18

2 .1 Com m on Ch a n n el Opera t ion ..................................................................................... 2 -1 19

2 .1 .1 Tra n s m is s ion on r -cs ch ....................................................................................... 2 -1 20

2 .1 .2 Recep t ion on f-cs ch ........................................................................................... 2 -46 21

2 .2 Ded ica ted Ch a n n el Opera t ion ................................................................................. 2 -72 22

2 .2 .1 Tra n s m is s ion on r -ds ch .................................................................................... 2 -72 23

2 .2 .2 Recep t ion on f-ds ch ........................................................................................... 2 -88 24

3 BASE STATION REQUIREMENTS ................................................................................... 3 -1 25

3 .1 Com m on Ch a n n el Opera t ion ..................................................................................... 3 -1 26

3 .1 .1 Recep t ion on r -cs ch ............................................................................................. 3 -1 27

3 .1 .2 Tra n s m is s ion on f-cs ch ....................................................................................... 3 -5 28

3 .2 Ded ica ted Ch a n n el Opera t ion ................................................................................. 3 -68 29

3 .2 .1 Recep t ion on r -ds ch .......................................................................................... 3 -68 30

3 .2 .2 Tra n s m is s ion on f-ds ch ..................................................................................... 3 -70 31

ANNEX A TIMERS AND CONSTANTS .................................................................................... 1 32

33

YD/ T 1838 .3 -2008

1

FOREWORD 2

Th is s ta n da rd belon gs to th e CDMA-ba sed d igita l t ru n k in g s tan da rd s eries , wh ich in clu d e 3

13 s ta n da rds a s below: 4

– Tech n ica l Requ irem en ts for th e CDMA-ba sed Digita l Tru n kin g Mobile Com m u n ica t ion 5

System . 6

– Tech n ica l Requ irem en ts of Air In terfa ce for th e CDMA-ba s ed Digita l Tru n kin g Mobile 7

Com m u n ica t ion Sys tem , in clu d in g. 8

– Tech n ica l Requ irem en ts of In terfa ce Between BSS a n d CN for th e CDMA-bas ed Digita l 9

Tru n kin g Mobile Com m u n ica tion Sys tem . 10

– Tech n ica l Requ irem en ts of Dis pa tch Service Su bs ys tem (DSS) In terfa ce for th e CDMA-11

ba s ed Digita l Tru n kin g Mobile Com m u n ica tion Sys tem . 12

– Tes t Specifica t ion s of Air In terfa ce for th e CDMA-ba s ed Digita l Tru n k in g Mobile 13

com m u n ica t ion Sys tem . 14

– Tes t Specifica t ion of In terfa ce Between BSS a n d CN for th e CDMA-ba sed Digita l 15


– Tes t Specifica t ion of Dispa tch Service Su bsys tem (DSS) In terfa ce for th e CDMA-ba s ed 17

Digita l Tru n k in g Mobile Com m u n ica t ion Sys tem . 18

– Tech n ica l Requ irem en ts of Mobile S ta tion for th e CDMA-bas ed Digita l Tru n k in g Mobile 19

Com m u n ica t ion Sys tem . 20

– Tech n ica l Requ irem en ts of Ba s e S ta t ion Su bs ys tem (BSS) for th e CDMA-ba s ed Digita l 21


– Tech n ica l Requ irem en ts of Dis pa tch Service Su bs ys tem （DSS）for th e CDMA-ba sed 23


– Tes t Specifica t ion s of Term in a l for th e CDMA-ba s ed Digita l Tru n k in g Mobile 25


– Tes t Specifica t ion s of Ba s e S ta t ion S u bsys tem (BSS) for th e CDMA-ba sed Digita l 27


– Equ ipm en t Tes t Specifica t ion of Dis pa tch Service Su bs ys tem for th e CDMA-bas ed 29


Th e s tan da rd , Tech n ical Requ irem en ts of Air In terface for th e CDMA-bas ed Digital 31

Tru n k in g Mobile Com m u n ication S ys tem , in clu des 4 pa rts a s below: 32

– Tech n ica l Requ irem en ts of Ph ys ical La yer for th e CDMA-bas ed Digita l Tru n kin g Mobile 33


– Tech n ica l Requ irem en ts of Mediu m Access Con trol (MAC) fo r th e CDMA-bas ed Digita l 35


YD/ T 1838 .3 -2008

iv

– Tech n ica l Requ irem en ts of Lin k Acces s Con trol (LAC) for th e CDMA-ba sed Digita l 1


– Tech n ica l Requ irem en ts of Upper La yer (La yer 3 ) S ign a lin g for th e CDMA-ba s ed Digita l 3


Th is pa rt , Tech n ical Requ irem en ts of Lin k Access Con trol (LAC) for th e CDMA -based Digital 5

Tru n k in g Mobile Com m u n ication S ys tem , is referred with th e 3GPP2 .C.S0004 -C, S ign alin g 6

Lin k Acces s Con trol (LAC) S tan dard for cdm a2000 S pread S pectru m S ys tem s , a n d a dds th e 7

t ru n kin g fea tu res a s below: 8

– Address in g s u b la yer on f-cs ch : defin e th e Pa ge Ma tch Procedu re for th e Broa dca s t Pa ge 9

a n d Ch a n n el Ass ign m en t Mes s age . 10

– Utility su bla yer on f-cs ch : defin e th e MSG_IDs of PTT Sys tem Pa ra m eters Mes s a ge a n d 11

Broa dca s t Pa ge Ch a n n el Ass ign m en t Mes s age . 12

– Utility s u b la yer on r-csch : defin e th e MSG_IDs of GID Pa ge Res pon s e Mess a ge a n d PTT 13

Origin a tion Mes s age. 14

Th is s ta n da rd is p repa red by Ch in a Com m u n ica tion s S ta n da rd As socia t ion . 15

Th is s ta n da rd is con tr ibu ted by: 16

ZTE Corpora t ion 17

Ch in a Aca dem y of Telecom m u n ica t ion Res ea rch of MIIT 18

Th is s ta n da rd is d ra fted by: 19

Liu J in lon g 20

Liu Xu em in 21

Gon g Fan 22

Wen Zh igan g 23

Xu e Yu h on g 24

Din g Men gjia o 25

Ba i Wei 26

Don g Xia olu 27

28

29

YD/T 1838.3-2008

1 -1

1 GENERAL 1

1 .1 General Information 2

1 .1 .1 Scope 3

Th is s ta n da rd specifies th e lin k a ccess con trol (LAC) s ta n da rd for CDMA-ba s ed t ru n kin g 4

s ys tem , in clu din g: la yer 2 lin k a cces s con trol (LAC) s ign a lin g p rotocol s t ru ctu re a n d 5

fu n ction . 6

Th is s ta n da rd is a pp lied to GoTa , Global open Tru n kin g a rch itectu re, wh ich is th e CDMA-7

ba s ed d igita l t ru n k in g com m u n ica tion sys tem . 8

1 .1 .2 Referen ce 9

Norm a tive 10

Th e followin g s ta n da rds con ta in p rovis ion s wh ich , th rou gh referen ce in th is text , con s t itu te 11

provis ion s of th is s pecifica t ion . All s tan da rds a re s u b ject to revis ion , a n d pa rt ies to 12

a greem en ts ba s ed u pon th is specifica tion a re en cou ra ged to a pply th e m os t recen t edit ion s 13

of th e s tan da rds in d ica ted below. 14

1 . YDC 020 -2003 , Tech n ical Requ irem en t of S ign alin g Lin k Access Con trol (LAC) Sta n da rd 15

for 800MHz CDMA 1x Digita l Cellu la r Mobile Com m u n ica t ion Network . 16

2 . C.S0002-A, Ph ys ica l La yer S tan da rd for cdm a 2 000 Sprea d Spectru m Sys tem s . 17

3 . C.S0003-A , Med iu m Acces s Con trol (MAC) Sta n da rd for cdm a 2000 Sprea d Spectru m 18

System s . 19

4 . C.S0004-A , Med iu m Acces s Con trol (MAC) Sta n da rd for cdm a 2000 Sprea d Spectru m 20

System s . 21

5 . C.S0005-A, Upper La yer (La yer 3) Sign a lin g S tan da rd for cdm a 2000 Sprea d Spectru m 22

System s . 23

6 . YDC 031 -2004 , Tech n ical Requ irem en ts for th e CDMA-ba s ed Digita l Tru n k in g Mobile 24


7 . TIA/ EIA/ IS-735 , En h a n cem en ts to TIA/ EIA-41-D & TIA/ EIA-664 for Adva n ced Fea tu res 26

in Wideba n d Sprea d Spectru m Sys tem s . 27

8 . Com m on Cryp togra ph ic Algorith m s , Revis ion C, 1997 . An EAR-con trolled docu m en t 28

s u bject to res t r icted dis t r ibu t ion . Con tact th e Telecom m u n ica tion s In du s try 29

As socia t ion , Arlin gton , VA, USA. 30

9 . In terfa ce Specifica t ion for Com m on Cryp togra ph ic Algorith m s , Revis ion C, 1997 . 31

Con ta ct th e Telecom m u n ica tion s In du s try Associa t ion , Arlin gton , VA, USA. 32

10 . ITU-T Recom m en da t ion E.212 , Iden t ificat ion Plan For Lan d Mobile S tation s , 1998 . 33

34

In form a t ive 35

YD/ T 1838 .3 -2008

1 -2

11 . TIA/ EIA-95-B, Mobile S ta tion -Ba s e S ta tion Com pa t ib ility S ta n da rd for Du a l-Mode 1

Sprea d Spectru m Sys tem s . 2

12 . C.R1001 -B v 2 .0 , Adm in is t ra t ion of Pa ra m eter Va lu e Ass ign m en ts for cdm a 2000 Sprea d 3

Spectru m Sta n da rds . 4

13 . C.S0007 -0 v 2 .0 , Direct Sprea d Specifica tion for Sprea d Spectru m Sys tem s on ANSI-41 5

(DS-41) - Upper La yers Air In terfa ce. 6

14 . C.S0008-0 v 2 .0 , Mu lti-Ca rrier Specifica t ion for Sprea d Spectru m Sys tem s on GSM 7

MAP (MC-MAP) (Lower La yers Air In terfa ce). 8

YD/ T 1838 .3 -2008

1 -3

1

1 .1 .3 Abbrevia tion 2

AC Au th en tica t ion Cen ter 3

ACH Acces s Ch a n n el 4

ARQ Au tom a tic Repea t Requ es t 5

AWGN Add itive Wh ite Ga u s s ian Nois e 6

BS Ba se Sta tion 7

BSC Ba se Sta tion Con troller 8

BSS Ba se Tra n s ceiver Sys tem 9

BTS Ba se Tra n s ceiver Sys tem 10

CCCH Com m on Con trol Ch an n el 11

CDMA Code Divis ion Mu ltip le Acces s 12

CRC Cyclic Red u n da n cy Ch eck 13

CSCH Com m on Sign a lin g Ch a n n el 14

DACH Dyn am ic Acces s Ch a n n el 15

DCCH Ded ica ted Con trol Ch a n n el 16

DS Direct Spread Spectru m 17

DSCH Ded ica ted Sign a lin g Ch an n el 18

DTCH Ded ica ted Tra ffic Ch an n el 19

DTX Dis con tin u ou s Tra n s m is s ion 20

EACAM Ea r ly Ack n owledgm en t Ch a n n el As s ign m en t Mes s age 21

EACH En h a n ced Access Ch a n n el 22

ESN Electron ic Ser ia l Nu m b er 23

F-BCCH Forwa rd -Broad cas t Con trol Ch a n n el 24

F-CACH Forwa rd - Com m on As s ign m en t Ch a n n el 25

F-CCCH Forwa rd - Com m on As s ign m en t Ch a n n el 26

FCH Fu n d am en ta l Ch a n n el 27

F-CPCCH Forwa rd -Com m on Power Con trol Ch an n el 28

F-CPCSCH Forwa rd Com m on Power Con trol Ch a n n el Su b ch a n n el 29

F-CSCH Forwa rd Com m on Sign a lin g Ch an n el 30

F-DSCH Forwa rd Ded ica ted Sign a lin g Ch a n n el 31

YD/ T 1838 .3 -2008

1 -4

F-DTCH Forwa rd Ded ica ted Tra ffic Ch a n n el 1

F-PCH Forwa rd Pagin g Ch a n n el 2

GID Grou p Id en tity 3

IMSI In tern a tion a l Mob ile Sta tion Id en tity 4

LAC Lin k Acces s Con trol 5

LPM Logica l-to-Ph ys ica l Ma pp in g 6

LTU Logica l Tra n sm is s ion Un it 7

MAC Med iu m Access Con trol 8

MCC Mob ile Cou n try Code 9

MCSB Mess a ge Con trol a n d Sta tu s Block 10

MIN Mob ile Iden tifica tion Nu m ber 11

MNC Mob ile Network Cod e 12

MS Mob ile Sta tion 13

MSC Mobile Switch in g Cen ter 14

MSIN Mobile S ta tion Iden t ifica t ion Nu m ber 15

MuxPDU Mu ltip lex s u b layer Protocol Da ta Un it 16

NAM Nu m ber As s ign m en t Modu le 17

NID Network ID 18

NMSI Na tion a l Mobile S ta tion Iden tity 19

OLC OverLoad Clas s 20

PACA Priority Acces s a n d Ch an n el As s ign m en t 21

PCCAM Power Con trol Ch a n n el As s ign m en t Mes s age 22

PDU Protocol Da ta Un it 23

PN Pseu d on ois e 24

PTT Pu s h to Ta lk 25

QoS Qu a lity of Service 26

R-CCCH Revers e Com m on Con trol Ch an n el 27

R-DCCH Revers e Ded ica ted Con trol Ch a n n el 28

R-CSCH Revers e com m on s ign a lin g logica l ch a n n el 29

R-DSCH Revers e d ed ica ted s ign a lin g logica l ch an n el 30

R-DTCH Revers e Ded ica ted Tra ffic Ch an n el 31

RLP Ra d io Lin k Protocol 32

YD/ T 1838 .3 -2008

1 -5

RVC Revers e Voice Ch an n el 1

SAP Service Acces s Poin t 2

SAR Segm en ta tion a n d Rea ss em b ly 3

SCCH Su p p lem en ta l Cod e Ch a n n el 4

SCH Su p p lem en ta l Ch a n n el 5

SCI Syn ch ron ized Caps u le In d ica tor 6

SDB Sh or t Da ta Bu rs t 7

SDU Service Da ta Un it 8

SID System Iden tifica tion 9

SRBP Sign a lin g Rad io Bu rs t Protocol 10

SSD Sh a red Secret Da ta 11

TMSI Tem pora ry Mobile S ta t ion Iden tity 12

1 .1 .4 Term s 13

Acces s Attempt. Th e en tire p roces s of s en din g on e m ess a ge a n d receivin g (or fa ilin g to 14

receive) a n a ckn owledgm en t for th a t m es s a ge, con s is tin g of on e or m ore a cces s s u b -15

a t tem pts . See a ls o Acces s Probe, Access Probe Sequ en ce, a n d Acces s Su b -a t tem pt . 16

Acces s Probe. On e Acces s Ch a n n el t ra n s m is s ion con s is t in g of a p rea m ble a n d a m es s a ge. 17

Th e t ra n s m iss ion is a n in teger n u m ber of fra m es in len gth a n d t ra n s m its on e Acces s 18

Ch a n n el m es s age. See a ls o Acces s Probe Sequ en ce, Acces s Su b -a t tem pt , a n d Access 19

Attem pt . 20

Acces s Probe Sequ ence. A s equ en ce of on e or m ore a cces s p robes on th e Acces s Ch an n el. 21

Oth er th a n th e reported p ilot in form a t ion , th e sa m e Access Ch a n n el m es s a ge con ten t is 22

t ra n s m it ted in every a ccess p robe of a n a cces s s u b -a t tem pt . See a lso Acces s Probe, Acces s 23

Su b-a t tem pt , a n d Acces s At tem pt . 24

Acces s Su b-attempt. A s equ en ce of on e or m ore a cces s p robe s equ en ces on th e Acces s 25

Ch a n n el t ra n s m it ted to on e p ilot , con ta in in g th e s a m e m es s a ge con ten t oth er th a n th e 26

reported p ilot in form a t ion . See a ls o Acces s Probe, Acces s Probe Sequ en ce, a n d Acces s 27

Attem pt . 28

As su red Mode. Mode of delivery th a t gu a ra n tees th a t a PDU will be delivered to th e peer. A 29

PDU s en t in a s s u red m ode is ret ra n s m it ted by th e LAC Su bla yer, u p to a m a xim u m 30

n u m ber of ret ra n s m is s ion s , u n til th e LAC en t ity a t th e sen der receives a n 31

a ckn owledgem en t for th e PDU. See a ls o Con firm at ion of Delivery. 32

Authentication. A procedu re u s ed by a ba s e s ta t ion to va lida te a m obile s ta tion ‟s iden t ity. 33

Authentication Res pon se (AUTHR). An 18 -bit ou tpu t of th e a u th en tica t ion a lgorith m . It is 34

u s ed , for exa m ple, to valida te m obile s ta t ion regis t ra t ion s , origin a t ion s a n d term in a tion s . 35

Automatic Repeat Requ es t (ARQ). Tech n iqu e for p rovidin g relia ble delivery of s ign a ls 36

between com m u n ica tin g s ta t ion s wh ich in volves a u ton om ou s ret ra n s m is s ion of th e s ign a ls 37

YD/ T 1838 .3 -2008

1 -6

a n d t ra n s m is s ion of a ckn owledgm en ts u n til im plicit or exp licit con firm a t ion of delivery is 1

received . 2

Bas e Station. A fixed s ta tion u s ed for com m u n ica t in g with m obile s ta tion s . Depen d in g 3

u pon th e con text , th e term ba s e s ta t ion m a y refer to a cell, a s ector with in a cell, a n MSC, 4

or oth er pa rt of th e cellu la r s ys tem . See a lso MSC. 5

broadcas t channel. Wh en th e ch a n n el n a m e is writ ten with lower ca s e let ters , it refers to 6

th e logical ch an n el on wh ich sys tem overh ea d in form a t ion is t ra n s m it ted by th e ba s e 7

s ta t ion . Th e logica l “b roa dca s t ch a n n el” ca n be m a pped to th e ph ys ical Pa gin g Ch a n n el or 8

to th e ph ys ica l Broa dcas t Ch a n n el. 9

Call His tory Parameter (COUNT). A m odu lo-64 even t cou n ter m a in ta in ed by th e m obile 10

s ta t ion a n d Au th en tica t ion Cen ter th a t is u s ed for clon e detection . 11

Code Divis ion Multiple Acces s (CDMA). A tech n iqu e for s p rea d -s pectru m m u lt ip le-a cces s 12

d igita l com m u n ica t ion s th a t crea tes ch a n n els th rou gh th e u s e of u n iqu e c ode sequ en ces . 13

Confirmation of Delivery. A n otifica tion s en t by th e LAC Su bla yer to Layer 3 a t th e s en der, 14

wh en th e LAC en tity a t th e s en der receives th e a ckn owledgm en t for a s pecific PDU sen t in 15

a s s u red m ode. 16

Electronic Serial Nu mber (ESN). A 32 -bit n u m ber a s s ign ed by th e m obile s ta tion 17

m a n u fa ctu rer , u n iqu ely iden tifyin g th e m obile s ta t ion equ ipm en t . 18

Emergency Call. A ca ll p laced by a m obile s ta t ion u s er to requ es t em ergen cy a ss is ta n ce, 19

typ ica lly to a n em ergen cy s ervices or pu blic s a fety p rovider. Th e m eth od u s ed by a m obile 20

s ta t ion to iden tify a ca ll a s a n em ergen cy ca ll is ou ts ide th e s cope of th is docu m en t . 21

Encapsu lated PDU. A LAC PDU togeth er with th e a s socia ted len gth a n d CRC SAR 22

pa ra m eters . 23

Encapsu lated PDU Fragment. A port ion of th e en ca ps u la ted PDU wh ich is lim ited in s ize to 24

th e a va ila ble ca pa city of Lower La yer fra m es , a n d is t ra n s ferred a t th e in terfa ce between th e 25

LAC SAR Su b layer a n d th e MAC Su b la yer. 26

f-cs ch. Forwa rd com m on s ign a lin g logica l ch a n n el (a n alogou s to Pa gin g a n d Syn c 27

Ch a n n els in [11]). 28

f-ds ch. Forwa rd ded icated s ign a lin g logical ch a n n el (a n a logou s to Forwa rd Tra ffic or 29

Fu n da m en tal Ch a n n el in [11]). 30

Full TMSI. Th e com bin a tion of TMSI_ZONE a n d TMSI_CODE. Th e fu ll TMSI is a globa lly 31

u n iqu e a ddres s for th e m obile s ta tion . 32

GID_S. A GID_S is a 8-d igit (27 -bit ) n u m ber derived from th e GID. It is equ a l to th e la s t 33

eigh t d igits . 34

IMSI_M. MIN-ba s ed IMSI u s in g th e lower 10 d igits to s tore th e MIN. 35

IMSI_O. Opera t ion a l va lu e of IMSI (eith er IMSI_M or IMSI_T) u s ed by th e m obile s ta tion for 36

opera t ion with th e ba s e s ta tion . 37

IMSI_S. A 10 -d igit n u m ber derived from th e IMSI th a t is en coded a s a 34 -b it valu e (see 38

2 .3 .1 of [5 ]). IMSI_S gen era lly corres pon ds to th e la s t 10 d igits of th e IMSI. 39

YD/ T 1838 .3 -2008

1 -7

IMSI_S1 . A 24 -b it va lu e th a t corres pon ds to th e la s t 7 d igits of IMSI_S. 1

IMSI_T. Tru e IMSI n ot a s s ocia ted with MIN. Cou ld be 15 d igits or fewer. 2

Interface Control Information. Da ta pa s s ed between a d ja cen t la yers in th e p rotocol s ta ck , 3

togeth er with th e SDU, to a s s is t a la yer to p roperly en ca ps u la te/ deca ps u la te th e SDU. An 4

exa m ple of in terfa ce con trol in form a t ion in th is docu m en t is th e MCSB. 5

International Mobile Station Identity (IMSI). A m eth od of iden tifyin g s ta t ion s in th e lan d 6

m obile s ervice a s s pecified in [10]. 7

L1. See La yer 1 . 8



LAC PDU. LAC protocol da ta u n it t ra n s ferred between peer Ut ility Su bla yers on th e m obile 11

s ta t ion a n d th e ba s e s ta t ion . 12

LAC Su blayer. See Lin k Access Con trol Su b layer. 13

Layering. A m eth od of orga n iza t ion for com m u n ica t ion p rotocols in wh ich th e t ra n s m itted 14

or received in form a t ion is t ra n s ferred con ceptu ally in p ipelin e fa s h ion with in ea ch s ta t ion , 15

in well-defin ed en ca psu la ted da ta u n its between coord in a ted p roces s in g en tit ies (“la yers”). 16

A la yer is defin ed in term s of its com m u n ica tion p rotocol to th e peer la yer in th e oth er 17

s ta t ion a n d th e s ervices it offers to th e n ext h igh er la yer in its own s ta tion . 18

Layer 1 (L1). La yer 1 (Ph ys ica l La yer) p rovides for th e t ra n s m is s ion a n d recep t ion of ra d io 19

s ign a ls between th e ba se s ta t ion a n d th e m obile s ta t ion . 20

Layer 2 (L2). Layer 2 p rovides for delivery of s ign a lin g m es s ages gen era ted by Layer 3 (s ee 21

below). La yer 2 con s is ts of two su b layers : th e LAC Su bla yer an d th e MAC Su b layer (s ee 22

below). La yer 2 m a kes u s e of th e s ervices p rovided by La yer 1 . 23

Layer 3 (L3). La yer 3 origin a tes a n d term in a tes s ign a lin g m es s a ges a ccord in g to th e 24

s em a n tics a n d t im in g of th e com m u n ica t ion p rotocol between th e ba s e s ta tion a n d th e 25

m obile s ta tion . La yer 3 m a kes u se of th e services p rovided by La yer 2 . 26

Link Acces s Control (LAC) Su blayer. Th e LAC Su b la yer is th e u pper s u bla yer of La yer 2 . It 27

im plem en ts a da ta lin k p rotocol th a t p rovides for th e correct t ra n s port a n d delivery of 28

s ign a lin g m ess a ges gen era ted by La yer 3 . Th e LAC Su bla yer m a kes u s e of th e services 29

provided by th e Lower La yers (Layer 1 a n d th e MAC Su bla yer). 30

Logical Channel. A com m u n ica tion pa th between s ta t ion s , des cribed in term s of th e 31

in ten ded u se of, a n d a cces s to, th e t ra n s ferred da ta , a n d d irect ion of t ra n s fer . A logica l 32

ch a n n el ca n be “m a pped” t o a n d from on e or m ore ph ys ical ch a n n els . In th is docu m en t , 33

ch a n n el n a m es begin n in g with lowerca s e let ters specify logica l ch a n n els . 34

Lower Layers . In th is docu m en t , la yers below th e LAC Su bla yer (e.g., La yer 1 a n d th e MAC 35

Su bla yer). 36

MAC Sublayer. See Mediu m Acces s Con trol Su b la yer. 37

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1 -8

Mapping. In th is con text , th e tech n iqu e for form in g a s socia t ion s between logica l a n d 1

ph ys ical ch an n els . 2

Mediu m Access Control (MAC) Su blayer. Th e MAC Su b layer is th e lower s u b la yer of La yer 3

2 . It im plem en ts th e m ediu m a cces s p rotocol a n d is res pon s ible for t ra n s port of LAC 4

protocol da ta u n its u s in g th e services p rovided by La yer 1 . 5

Mess age. Sign a lin g da ta u n it t ra n s ferred between th e ba s e s ta tion a n d th e m obile s ta t ion . 6

In th is docu m en t , it s h ou ld be in terp reted a s th e La yer 3 PDU or th e LAC SDU. 7

Mess age Control and Statu s Block (MCSB). In th is docu m en t , a pa ra m eter b lock 8

rep res en t in g th e in terfa ce con trol in form a t ion t ra n s ferred between La yer 3 a n d th e LAC 9

Su bla yer. Th e MCSB is a lso u s ed to ca rry relevan t in form a t ion wit h in th e LAC Su b layer. 10

Mini PDU. A PDU th a t ca rr ies a La yer 3 m in i m es s a ge. Th e tota l len gth of a m in i PDU is 11

48 b its . A m in i PDU m a y n ot be fra gm en ted , a n d is ca rr ied in a 5 m s ph ys ical fra m e. See 12

a ls o Regu la r PDU. 13

Mobile Country Code (MCC). A pa rt of th e E.212 IMSI iden t ifyin g th e h om e cou n try. See 14

[10]. 15

Mobile Network Code (MNC). A pa rt of th e E.212 IMSI iden t ifyin g th e h om e n etwork with in 16

th e h om e cou n try. See [10]. 17

Mobile Identification Nu mber (MIN). Th e 34 -bit n u m ber th a t is a d igita l rep res en ta t ion of 18

th e 10 -d igit n u m ber a s s ign ed to a m obile s ta tion . 19

Mobile Station. A s ta t ion in th e Pu blic Cellu la r Ra d io Telecom m u n ica t ion s Service in ten ded 20

to be u s ed wh ile in m ot ion or du rin g h a lts a t u n s pecified poin ts . Mobile s ta tion s in clu de 21

porta b le u n it s (e.g., h a n d -h eld person al u n its ) a n d u n its in s ta lled in veh icles . 22

Mobile Station Identification Nu mber (MSIN). A pa rt of th e E.212 IMSI iden tifyin g th e 23

m obile s ta tion with in its h om e n etwork . See [10]. 24

Multiplex Layer. Protocol La yer s itu a ted between La yer 2 a n d La yer 1 on ded ica ted 25

ch a n n els th a t is respon s ib le for m u lt ip lexin g La yer 2 SDUs from m u lt ip le sou rces (u ser 26

t ra ffic, s u ch a s voice or da ta pa ckets , a n d s ign a lin g t ra ffic) on to th e s a m e ph ys ica l ch a n n el, 27

a ccordin g to p riority a n d QoS criter ia . 28

National Mobile Station Identity (NMSI). A pa rt of th e E.212 IMSI iden t ifyin g th e m obile 29

s ta t ion with in its h om e cou n try. Th e NMSI con s is ts of th e MNC a n d th e MSIN. See [10]. 30

Nu mber As s ignment Modu le (NAM). A set of MIN/ IMSI-rela ted pa ra m eters s tored in th e 31

m obile s ta tion . 32

PACA Call. A p riority m obile s ta tion origin a ted ca ll for wh ich n o t ra ffic ch an n el or voice 33

ch a n n el wa s im m edia tely a va ila b le, a n d wh ich h a s been qu eu ed for a p riority r -csch 34

a s s ign m en t . 35

Phys ical Channel. A com m u n ica t ion pa th between s ta t ion s , described in term s of th e ra d io 36

ch a ra cteris t ics s u ch a s codin g, power con trol policies , etc. In th is docu m en t , ch a n n el 37

n a m es begin n in g with u pperca s e let ters s pecify ph ys ical ch a n n els . 38

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1 -9

Primitive. An a tom ic, well-defin ed con cep tu al m eth od of t ra n s ferr in g da ta a n d con trol 1

in form a t ion between two a d jacen t la yers a n d su bla yers . It is con ven tion a lly rep resen ted a s 2

a fu n ct ion in voca t ion , with th e da ta a n d con trol in form a t ion pa s sed a s pa ra m eters . 3

Protocol Data Unit (PDU). En ca ps u la ted da ta com m u n ica ted between peer la yers on th e 4

m obile s ta tion a n d th e ba s e s ta tion . 5

Protocol Stack. Con cep tu a l m odel of th e la yered a rch itectu re for com m u n ica tion p rotocols 6

(s ee La yerin g) in wh ich la yers with in a s ta t ion a re rep res en ted in th e order of th eir n u m eric 7

des ign a tion a n d requ irin g th a t t ra n s ferred da ta be p rocess ed s equ en t ia lly by ea ch layer, in 8

th e order of th eir rep res en ta tion . Gra ph ica lly, th e “s ta ck” is d ra wn vert ica lly, with th e la yer 9

h a vin g th e lowes t n u m eric des ign a t ion a t th e ba se. 10

Random Challenge (RANDC). A 32 -b it valu e h eld in th e m obile s ta tion . It is u sed , in 11

con ju n ct ion with SSD_A an d oth er pa ra m eters , to va lida te m obile s ta t ion origin a t ion s , 12

term in a tion s a n d regis t ra tion s . 13

r-cs ch. Revers e com m on s ign a lin g logica l ch a n n el (a n a logou s to Access C h a n n el in [11]). 14

r-ds ch. Revers e ded ica ted s ign a lin g logica l ch a n n el (a n alogou s to Revers e Tra ffic or 15

Fu n da m en tal Ch a n n el in [11]). 16

Regu lar PDU. A PDU th a t ca rr ies a La yer 3 m es s a ge oth er th a n a m in i m ess a ge. Th e 17

len gth of a regu la r PDU is va ria ble. A regu la r PDU m a y be fra gm en ted , a n d fra gm en ts of a 18

regu la r PDU a re ca rr ied in 20 m s ph ys ical fra m es . See a lso Min i PDU. 19

Service Access Point (SAP). Con cep tu a l poin t a t th e in terfa ce between two a d ja cen t la yers 20

wh ere s ervices a re p rovided to th e u pper la yer a n d da ta a n d p rotocol in form a t ion is 21

exch a n ged between layers . 22

Service Data Unit (SDU). Da ta t ra n s ferred between a dja cen t la yers in th e p rotocol s ta ck . 23

Un less s pecified oth erwise, in th is docu m en t SDU refers to th e La yer 3 service da ta u n it 24

t ra n s ferred to or from th e LAC Su b la yer. 25

Su blayer. A p rotocol layer of fin er gra n u la rity with in a n oth er p rotocol layer or s u b la yer. 26

Th e LAC Su b la yer it s elf m a y be s een a s h a vin g s evera l s u b la yers . 27

System Identification (SID). A n u m ber u n iqu ely iden tifyin g a s ys tem . 28

Temporary Mobile Station Identity (TMSI). A tem pora ry m obile s ta t ion iden t ifica t ion 29

a s s ign ed by th e ba s e s ta tion . 30

TMSI Zone. Th e a dm in is t ra t ive zon e th a t a llows th e TMSI to be reu sed . Th e TMSI_CODE 31

h a s to be u n iqu e with in a TMSI zon e bu t m a y be reu sed in a d ifferen t TMSI zon e. Th e TMSI 32

zon e is iden tified by th e field TMSI_ZONE. 33

Unass u red Mode. Mode of delivery th a t does n ot gu a ra n tee th a t a PDU will be delivered to 34

th e peer. Th e LAC en tity a t th e receiver does n ot a ckn owledge a PDU s en t in u n as su red 35

m ode. 36

Upper Layers . Gen era l referen ce to La yer 3 a n d th e la yers a bove it . 37

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1 .1 .5 Nu m eric In form a t ion 1

Nu m eric in form a t ion is u sed to des cribe th e opera t ion of th e m obile s ta tion . Th e followin g 2

s u bs crip ts a re u s ed to cla rify th e u s e of th e n u m eric in form a t ion : 3

• “s ” in d ica tes a va lu e s tored in a m obile s ta tion ‟s tem pora ry m em ory. 4

• “s v” in dica tes a s tored valu e th a t va ries a s a m obile s ta tion p roces ses va riou s ta s ks . 5

• “s l” in dica tes th e s tored lim its on va lu es th a t va ry. 6

• “r” in dica tes a va lu e received by a m obile s ta t ion over a forwa rd a n a log con trol 7

ch a n n el or a CDMA Forwa rd Ch a n n el. 8

• “p” in d ica tes a va lu e s et in a m obile s ta t ion ‟s perm a n en t secu rity a n d iden t ifica t ion 9

m em ory. 10

• “s -p” in dica tes a va lu e s tored in a m obile s ta t ion ‟s s em i-perm a n en t secu rity a n d 11

iden t ifica t ion m em ory. 12

ACCOLCp – A fou r-b it n u m ber u s ed to iden tify wh ich overloa d cla s s field con trols a cces s 13

a t tem pts . 14

ACH_ACC_TMOs – Access Ch a n n el a ckn owledgm en t t im eou t , in u n its of 80 m s . 15

ACH_FRAME_SIZE – Th e s ize of th e fra m e u s ed on th e Acces s Ch a n n el (s ee [2 ]). 16

ASSIGNING_TMSI_ZONE_LENs -p – Th e 4 -bit a s s ign in g TMSI zon e len gth . 17

ASSIGNING_TMSI_ZONEs -p – Th e 8 -octet a ss ign in g TMSI zon e. 18

AUTHs – Cu rren t a u th en tica t ion m ode. 19

BCAST_INDEXs – Broa dcas t s lot cycle in dex. 20

COUNTs -p – A m odu lo-64 cou n t h eld in th e m obile s ta t ion . COUNTs -p is m a in ta in ed 21

du rin g power-off. 22

CURRENT_ACTIVE_PILOTs – Iden t ifies th e cu rren t p ilot in th e Active Set du rin g a n a cces s 23

a t tem pt . 24

EACH_ACC_TMOs – En h an ced Access Ch a n n el a ckn owledgm en t tim eou t , in u n its of 20 m s . 25

FIRST_ACTIVE_PILOTs – Wh ile th e m obile s ta t ion is in th e S ys tem Acces s S tate , iden t ifies 26

th e pilot to wh ich th e firs t a cces s p robe wa s t ra n s m it ted , u pon en terin g th e S ys tem Acces s 27

S tate . 28

IMSI_11_12 s – Th e 11 th a n d 12 th digits of th e IMSI u s ed for a ddres s m a tch in g . 29

IMSI_M_Sp – Th e 34 -bit IMSI_S derived from th e m obile s ta tion ‟s IMSI_M. 30

IMSI_M_S1 p – Th e lea s t s ign ifica n t 24 bits of IMSI_M_S p . 31

IMSI_M_S2 p – Th e m os t s ign ifica n t 10 b its of IMSI_M_S p . 32

IMSI_O_ADDR_NUMs – Th e n u m ber of d igits in th e NMSI of IMSI_O, m in u s fou r. 33

IMSI_O_Ss – Th e 34-b it IMSI_S derived from th e m obile s ta tion ‟s IMSI_O. 34

IMSI_O_11_12 s – Th e 11 th a n d 12 th digits of IMSI_O. 35

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1 -11

M_MSG_SEQ_ACKs – Next m ess a ge s equ en ce n u m ber for m in i PDUs requ ir in g 1

a ckn owledgm en t . 2

M_MSG_SEQ_NOACKs – Next m ess a ge sequ en ce n u m ber for m in i PDUs n ot requ ir in g 3


M_MSG_SEQ_RCVDs [i] – Received m es s a ge in d ica tor for a m in i PDU with m es s a ge 5

s equ en ce n u m ber i. Set to YES if a m in i PDU with m es s age s equ en ce n u m ber i h a s been 6

received . Set to NO wh en a m in i PDU with m essa ge s equ en ce n u m ber (i+4) m odu lo 4 h as 7

been received . 8

MAX_CAP_SZs – Ma xim u m n u m ber of Acces s Ch a n n el fra m es in a n Access Ch an n el 9

m es s a ge ca psu le, les s 3 . 10

MAX_REQ_SEQs – Ma xim u m n u m ber of a cces s p robe sequ en ces for a n r -cs ch requ es t . 11

MAX_RSP_SEQs – Maxim u m n u m ber of a ccess p robe sequ en ces for a n r -cs ch res pon se. 12

MAX_SLOT_CYCLEs – Ma xim u m va lu e of th e s lot cycle in dex a llowed by th e cu rren t ba s e 13

s ta t ion . 14

MCCs – Th e Mobile Cou n try Code u sed for a ddress m a tch in g. 15

MCC_Os – Th e Mobile Cou n try Code of IMSI_O. 16

MSG_PSISTs – Pers is ten ce m odifier for r -cs ch m ess a ge t ra n s m is s ion s . 17

MSG_SEQ_ACKs – Next m es s a ge s equ en ce n u m ber for regu la r PDUs requ ir in g 18


MSG_SEQ_NOACKs – Next m es s age s equ en ce n u m ber for regu la r PDUs n ot requ ir in g 20


MSG_SEQ_RCVDs [i] – Received m ess a ge in dica tor for a regu la r PDU with m es s age 22

s equ en ce n u m ber i. Set to YES if a regu la r PDU with m es s a ge s equ en ce n u m ber i h a s been 23

received . Set to NO wh en a regu la r PDU with m es s a ge s equ en ce n u m ber (i+4) m odu lo 8 24

h a s been received . 25

NUM_STEPs – Nu m ber of a cces s p robes in a s in gle a ccess p robe sequ en ce. 26

P_REV_IN_USEs – Protocol revis ion level cu rren t ly in u se by a m obile s ta tion . 27

PAM_SZs – Nu m ber of fra m es in th e Acces s Ch an n el p rea m ble, less 1 . 28

PILOT_PN_PHASE – Ca lcu la ted Pilot Ch a n n el PN ph a s e, in ch ips , in clu din g th e PN 29

s equ en ce offs et a n d th e a rr iva l t im e rela t ive to th e m obile s ta t ion ‟s t im e referen ce. 30

PILOT_REPORTs – Pilot report in g in d ica tor . 31

PREF_MSID_TYPEs – Preferred m obile s ta tion iden t ifier field type. 32

PROBE_BKOFFs – Acces s Ch an n el p robe ba ckoff ra n ge, in s lots . 33

PROBE_PN_RANs – Ra n ge for h a s h in g fu n ction select ion of th e delay p rior to t ra n s m iss ion 34

of Acces s Ch a n n el p robes . Va lu e is log2(ra n ge + 1 ). 35

PSISTs – Pers is ten ce valu e for th e m obile s ta t ion ‟s overloa d clas s . 36

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1 -12

PSIST_EMGs – Pers is ten ce valu e for em ergen cy ca lls p la ced from m obile s ta t ion s h a vin g a n 1

a ccess overloa d con trol cla ss (ACCOLC) va lu e from 0 to 9 . 2

RA – Ra n dom a cces s ch a n n el n u m ber. Th e Acces s Ch a n n el n u m ber gen era ted (pseu do -3

ra n dom ly) by th e m obile s ta tion . 4

RANDs – Au th en t ica tion ra n dom ch a llen ge valu e. 5

RANDC – Th e eigh t m os t-s ign ifican t b its of th e ra n dom ch a llen ge va lu e u s ed by th e m obile 6

s ta t ion . 7

REG_PSISTs – Pers is ten ce m odifier for regis t ra t ion a ccess es (except ordered regis t ra tion s). 8

RETRY_COUNTs – Mes s a ge ret ra n s m is s ion cou n t . Cou n ter u sed to determ in e wh en th e 9

m a xim u m n u m ber of ret ra n s m is s ion s h as been exceeded for a given m es s a ge. 10

SSD_As -p – Th e 64 m ost s ign ifica n t b its of th e Sh a red Secret Da ta . SSD_As -p is u sed for 11

s u pport of th e a u th en tica tion p rocedu res . 12

SSD_Bs -p – Th e 64 lea s t s ign ifica n t b its of th e Sh a red Secret Da ta . SSD_B s -p is u s ed for 13

m es s a ge en cryp t ion . 14

TA – Ackn owledgm en t res pon se t im eou t . 15

TMSI_CODEs -p – Th e 4 -octet TMSI code th a t u n iqu ely iden t ifies th e m obile s ta t ion with in 16

th e a s s ign in g TMSI zon e. 17

TMSI_ZONEs -p – Th e TMSI zon e n u m ber of th e bas e s ta t ion , from 1 to 8 octets in len gth . 18

TMSI_ZONE_LENs -p – Th e n u m ber of octets in TMSI zon e. 19

USE_TMSIs – Ba s e s ta tion ‟s p referen ce of th e u s e of TMSI. 20

1 .2 Conceptu al Model 21

Th e layers , s u bla yers , SAPs , p rim it ives a n d pa ram eters a re a bs t ra ct m odelin g con s tru cts , 22

a n d th u s s h ou ld n ot be in terp reted a s im plem en ta t ion requ irem en ts . However, th e 23

observa b le beh a vior of ba s e s ta t ion s a n d m obile s ta t ion s com plia n t with th is s pecifica tion 24

s h ou ld be con s is ten t with th e in tera ct ion s described via th e p rim itives a n d th e oth er 25

m odelin g con s tru cts m en tion ed a bove. 26

LAC s ign alin g for CDMA-ba sed t ru n k in g sys tem is m odeled a s follows : 27

• Protocol Layers . Th e LAC Su b layer p rovides services to La yer 3 . SDUs a re p a s sed 28

between La yer 3 a n d th e LAC Su b la yer. Th e LAC Su bla yer p rovides th e p roper 29

en ca ps u la t ion of th e SDUs in to LAC PDUs , wh ich a re s u b ject to s egm en ta tion a n d 30

rea s s em bly a n d a re t ra n s ferred a s en ca ps u la ted PDU fra gm en ts to th e MAC 31

Su bla yer. 32

• Su blayers . Proces s in g with in th e LAC Su bla yer is don e sequ en tia lly, with 33

proces s in g en tit ies pa s s in g th e pa rt ia lly form ed LAC PDU to each oth er in a well 34

es ta b lish ed order. 35

• Logical Channels . SDUs a n d PDUs a re p roces sed a n d t ra n s ferred a lon g fu n ct ion a l 36

pa th s , with ou t th e n eed for th e Upper La yers to be a wa re of th e ra d io ch a ra cteris t ics 37

of th e ph ys ica l ch a n n els . 38

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1 -13

1 .2 .1 Gen era l Arch itectu re 1

Th e gen era l a rch itectu re is p resen ted in Figu re 1 .2 .1 -1 . 2

3

Layer 3

Signaling

SAP

Signaling

Data

LAC

Signaling

SAP

Supervision

and

Configuration

Management

4

Figu re 1 .2 .1 -1 . S ignaling – General Architectu re 5

1 .2 .2 Protocol Su bla yers 6

As a gen era ted or received da ta u n it t ra vers es th e p rotocol s ta ck , it is p roces s ed by va riou s 7

protocol su b layers in s equ en ce. Ea ch su bla yer p roces s es on ly s pecific fields of th e da ta 8

u n it th a t a re a s s ocia ted with th e s u bla yer -defin ed fu n ction a lity. For exa m ple, th e ARQ 9

Su bla yer opera tes on ly on th e a ckn owledgm en t -rela ted fields , a n d ca rries ou t du p lica te 10

detect ion a n d ret ra n s m iss ion fu n ction s . 11

Th e gen era l p roces s in g of da ta u n its by th e LAC Su b layer a n d its su b layers is sh own in 12

Figu re 1 .2 .2 -1 . 13

14

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1 -14

LAC SDU

LAC SDU Partially-formed

LAC PDU

LAC SDU LAC PDU

LAC SDUL CRCEncapsulated

PDU

Encapsulated PDU Fragments

MAC SDU

...

Layer 3

Physical

Layer

Authentication,

ARQ,

Addressing

Utility

Sublayer

SAR

Sublayer

L3 PDU

LA

C

Su

bla

yer

MAC

Sublayer

Lo

wer

Layers

1

Figu re 1 .2 .2 -1 . LAC Data Unit Proces s ing 2

1 .2 .3 Logica l Ch an n els 3

La yer 3 a n d th e LAC Su b la yer s en d a n d receive s ign a lin g in form a t ion on logical ch an n els , 4

th u s a voidin g th e n eed to be sen s itive to th e ra d io ch a ra cteris tics of th e ph ys ica l ch a n n els 5

u s ed a t La yer 1 . A logica l ch a n n el is gen era lly ch a ra cterized a s u n idirection a l (eith er 6

forwa rd or revers e), bu t in m a n y ca s es it m a y be fu n ction a lly cou pled or pa ired with a 7

logica l ch a n n el ca rryin g rela ted t ra ffic in th e oppos ite direction . CDMA-ba sed t ru n k in g 8

s ys tem s u s e th e followin g types of logica l ch an n el to ca rry s ign a lin g in form a t ion : 9

• f-cs ch / r-csch (forwa rd a n d revers e com m on s ign alin g ch a n n el, res pect ively). 10

• f-ds ch / r-ds ch (forwa rd a n d revers e dedica ted s ign a lin g ch an n el, res pect ively). 11

Logica l ch a n n els a re cla s s ified ba sed u pon wh eth er th ey ca rry in form a t ion for a s in gle 12

ta rget on ly or for m u lt iple ta rgets , u pon wh eth er th e in form a t ion ca rr ied is s ign a lin g or u s er 13

da ta , u pon th e d irection of th e t ra n s fer (forwa rd or revers e) a n d u pon oth er criter ia . Logica l 14

ch a n n els a re defin ed for th e followin g pu rpos es on CDMA-ba s ed t ru n kin g s ys tem s : 15

• Syn ch ron iza t ion . 16

• Broa dca s t . 17

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• Gen era l s ign alin g (in clu des pa gin g). 1

• Acces s . 2

• Dedica ted s ign a lin g. 3

Mu ltip le in s ta n ces of th e s a m e logica l ch a n n el m ay be deployed . 4

Sin ce th e t ra ffic on a logica l ch a n n el is u lt im a tely ca rr ied via on e or m ore ph ys ica l ch an n els , 5

th ere m u s t be a ss ocia tion s between logical ch a n n els a n d ph ys ica l ch a n n els . Su ch 6

a s s ocia tion s a re ca lled m appin gs . A logical ch a n n el m a y h ave perm a n en t a n d exclu s ive u se 7

of a ph ys ica l ch a n n el (e.g., th e syn ch ron iza tion ch a n n el), or m a y h ave tem pora ry – bu t s till 8

exclu s ive – u se of a ph ys ica l ch an n el (e.g., s u ccess ive r -cs ch a ccess p robe s equ en ces ca n be 9

s en t on differen t ph ys ica l Acces s Ch a n n els ), or m a y s h a re th e ph ys ical ch an n el with oth er 10

logica l ch an n els (requ ir in g a m u ltip lex fu n ction to perform th e m a pp in g, pos s ibly on a PDU-11

by-PDU ba s is ). 12

In certa in ca s es , a logica l ch an n el ca n be m a pped to a n oth er logica l ch a n n el. Th e two (or 13

m ore) ch a n n els a re “fu s ed” in to on e effective logica l ch a n n el ca pa b le of ca rryin g d ifferen t 14

t ra ffic types (e.g., th e b roa dca s t ch a n n el a n d th e gen era l forwa rd s ign a lin g ch an n el a re 15

m a pped to on e com m on logica l ch an n el ca rryin g s ign a lin g in form a t ion ). S in ce a logica l 16

ch a n n el ca n ca rry on ly on e PDU a t a t im e, th ere m u s t be s eria liza t ion a t La yer 3 to en su re 17

determ in is t ic beh a vior . 18

Figu res 1 .2 .3 -1 a n d 1 .2 .3 -2 s h ow th e CDMA-ba s ed t ru n kin g logica l ch an n els on th e 19

forwa rd a n d revers e lin ks , res pectively. All types of m a pp in gs a re p res en t : Perm a n en t an d 20

tem pora ry logica l-to-ph ys ica l (e.g., th e reverse a cces s ch an n el), m u ltip lexed logica l-to-21

ph ys ical (between ds ch a n d d tch for both forward a n d revers e lin k ) a n d logica l -to-logica l 22

(b roa dcas t ch an n el a n d gen era l s ign a lin g ch an n el). 23

24

YD/ T 1838 .3 -2008

1 -16

sy

nc

ch

an

ne

l

bro

ad

ca

st

ch

an

ne

l

ge

ne

ral

sig

na

lin

g c

h.

ARQ

Sublayer

ARQ

Sublayer

f-d

sc

h

f-d

tch

(o

uts

ide

sc

op

e o

f th

is d

oc

um

en

t)

Addressing

Sublayer

Utility

Sublayer

SAR

Sublayer

SAR

Sublayer

SAR

Sublayer

Layer

3L

AC

Su

bla

yer

Layer

1

Signaling Logical

Channels

User Traffic

Logical

Channels

Physical Channels

Common

Logical

Channels

Dedicated

Logical

Channels

f-csch

MA

C

Su

bla

yer

Utility

Sublayer

Utility

Sublayer

1

Figu re 1 .2 .3 -1 . Forward Logical Channel Architectu re 2

3

YD/ T 1838 .3 -2008

1 -17

r-c

sc

h

ARQ

Sublayer

ARQ

Sublayer

r-d

sc

h

r-d

tch

(o

uts

ide

sc

op

e o

f th

is d

oc

um

en

t)

Utility

Sublayer

Utility

Sublayer

SAR

Sublayer

SAR

Sublayer

Layer

3L

ayer

1

Signaling Logical

Channels

User Traffic

Logical

Channels

Physical Channels

Common

Logical

Channels

Dedicated

Logical

Channels

Authentication

Sublayer

Addressing

Sublayer

LA

C S

ub

layer

MA

C

Su

bla

yer

1

2

Figu re 1 .2 .3 -2 . Revers e Logical Channel Architectu re 3

4

5

YD/ T 1838 .3 -2008

1 -18

1 .2 .4 In terfa ces 1

1 .2 .4 .1 In terfa ce to La yer 3 2

Th e in terfa ce between La yer 3 a n d La yer 2 is a Service Acces s Poin t (SAP). At th e SAP, 3

La yer 3 a n d La yer 2 exch an ge Service Da ta Un its (SDUs ) an d in terfa ce con trol in form a t ion 4

in th e form of Mess a ge Con trol a n d Sta tu s Blocks (MCSBs ) u s in g a s et of p rim itives . Th e 5

gen era l form a t of a p rim it ive in voca tion is : 6

L2-<Primitive_Name>.<Primitive_Type> (<data_unit>, MCSB) 7

Th e opt ion al pa ra m eters da ta _u n it a n d MCSB repres en t th e SDU bein g exch an ged a n d th e 8

m es s a ge con trol a n d s ta tu s b lock des cribed in 1 .4.1 .1 , res pect ively. 9

1 .2 .4 .1 .1 Mes s a ge Con trol a n d Sta tu s Block (MCSB) 10

Th e MCSB is a pa ra m eter b lock for th e defin ed p rim it ives , con ta in in g relevan t in form a t ion 11

a bou t in dividu a l La yer 3 m es s a ges (SDU) a s well a s in s t ru ct ion s on h ow th e m es s a ge m a y 12

be h a n dled or h ow it is to be (for t ra n s m iss ion ), or wa s (for recep t ion ), p roces sed by th e LAC 13

Su bla yer or th e MAC Su bla yer, or both . On t ra n sm is s ion , th e MCSB is re ceived from La yer 14

3 a n d is d is ca rded by th e SAR Su b la yer. On recep t ion , th e MCSB is gen era ted by th e SAR 15

Su bla yer a n d is pa s s ed u p th e s ta ck to La yer 3 . Th e MCSB is a con cep tu al con s tru ct a n d 16

is n ot s u bject to deta iled s pecifica t ion in th is docu m en t ; h owever, it is en vis ion ed th e MCSB 17

wou ld con ta in in form a t ion su ch a s : 18

• Th e MSG_TAG. If th e m es s a ge is gen era ted in respon s e to a p reviou s ly received 19

m es s a ge, th e MSG_TYPE of th e p reviou s ly received m es s a ge is a lso s tored . 20

• Th e len gth of th e SDU. 21

• Pa ge record len gth pa ra m eters , i.e., va lu es of th e SDU_INCLUDED field for a Mobile 22

S tat ion -address ed record in a Gen eral Page Mes sage , th e 23

EXT_MS_SDU_LENGTH_INCL a n d EXT_MS_SDU_LENGTH fields for a Mobile 24

S tat ion -address ed record in a Un ivers al Page Mess age , a n d th e 25

EXT_BCAST_SDU_LENGTH_IND a n d EXT_BCAST_SDU_LENGTH fields for a n 26

En h an ced B roadcas t record s en t in a Gen eral Page Mess age or a Un ivers al Page 27

Mess age . 28

• A u n iqu e in s ta n ce iden tifier a s socia ted with th e m es s a ge, wh ich en a b les 29

iden t ifica t ion of a m es s a ge for n ot ifica t ion s of delivery/ n on -delivery or recovery 30

procedu res . 31

• Wh eth er th e m ess a ge sh ou ld be a ckn owledged a t th e LAC Su b la yer (i.e., delivered in 32

a s s u red m ode or u n a s su red m ode). 33

• Wh eth er n ot ifica t ion of delivery is requ ired . 34

• Th e iden tity of th e a dd ress ee for th e m es s age. 35

• Wh eth er th e SDU bein g delivered to La yer 3 is a du p lica te (in ca s es wh ere th e LAC 36

Su bla yer does n ot dis ca rd du p lica tes ). 37

YD/ T 1838 .3 -2008

1 -19

• Da ta n eeded by th e a u th en t ica t ion p rocedu res (e.g., th e CHARi fields of th e 1

Origin ation Mes s age). 2

• Releva n t SDU cla s s ifica tion (e.g., regis t ra t ion s , origin a t ion s ), wh ere p roces s in g a t 3

th e LAC Su b la yer is s en s it ive to th e type of SDU bein g t ra n s ferred . 4

• Th e en cryp tion s ta tu s of th e logica l ch a n n el, th e en cryp tion m ode, en cryp t ion 5

s equ en ce n u m ber a n d th e en cryp ted 8 -b it CRC com pu ted over th e u n en cryp ted 6

SDU. 7

• CDMA-ba s ed t ru n kin g s ys tem s ys tem Tim e correspon d in g to th e fra m e in wh ich th e 8

firs t or la s t b it of a m es s a ge wa s received . 9

• Tra n s m iss ion in s t ru ction s for th e LAC Su bla yer, su ch a s a s ch edu lin g h in t 10

in dica tin g h ow to sen d a m es s age with a certa in rela t ive p riority (before, a fter , or by 11

in terru p t in g th e t ra n s m is s ion of oth er m es s ages ), a n in s t ru ction rega rd in g m es s a ge 12

s u pervis ion , a n d so on . 13

• Abn orm a l con dit ion in dica tion s from th e LAC Su bla yer. 14

• An in dica t ion wh eth er or n ot a received PDU requ ires La yer 2 a ckn owledgm en t . 15

• An in dica t ion th a t a n a ckn owledgm en t to a received PDU h a s been s en t a n d 16

a ckn owledged . 17

• Wh en a PDU is received on th e f-cs ch , a n in dica tion wh eth er or n ot a n a cces s 18

a t tem pt for a PDU b ein g t ra n s m it ted on th e r -cs ch wa s term in a ted a s a res u lt of 19

proces s in g th e ARQ fields of th e received PDU. 20

• Th e ph ys ica l ch a n n el on wh ich th e m ess a ge is to be t ra n s m it ted . Th e LAC u s es th is 21

in form a t ion to s pecify th e “ch ann el_type” pa ra m eter u s ed by th e MAC prim it ives . 22

• An em ergen cy call in d ica tor . Wh en th e m obile s ta t ion determ in es th e m es s a ge is for 23

a n em ergen cy call, th e m obile s ta tion s ets th e em ergen cy call in d ica tor on . 24

1 .2 .4 .1 .2 In terfa ce Prim it ives 25

Th e followin g p rim itives a re defin ed for com m u n ica t ion between La yer 2 a n d La yer 3 : 26

Na m e: L2-Da ta .Requ es t 27

Type: Requ es t 28

Direct ion : La yer 3 to La yer 2 29

Pa ra m eters : SDU, MCSB 30

Action : Th e SDU is h a n ded to La yer 2 for delivery a cros s th e ra d io in terfa ce. 31

Na m e: L2-Data.Confirm 32

Type: Con firm 33


Pa ra m eters : MCSB 35

Action : Recep tion of th e s pecified (in th e MCSB) t ra n s m itted SDU wa s a ckn owledged 36

a t La yer 2 by th e a ddres see. 37

YD/ T 1838 .3 -2008

1 -20

Na m e: L2-Data.Indication 1

Type: In d ica tion 2


Pa ra m eters : SDU, MCSB 4

Action : Th e received SDU is h a n ded to La yer 3 . 5

Na m e: L2-Condition.Notification 6




Action : La yer 3 is n otified of a relevan t even t (e.g. , a bn orm a l con d ition ) detected a t 10

La yer 2 . Deta ils a re in d ica ted via th e MCSB. 11

Na m e: L2-Su pervis ion.Reques t 12

Type: Requ es t 13



Action : La yer 2 execu tes a con trol com m a n d a s d irected by La yer 3 (for exa m ple, a n 16

order to a ba n don ret ra n s m is s ion of a m es s a ge, or a n order to res et th e 17

m es s a ge s equ en ce n u m ber, th e a ckn owledgm en t s equ en ce n u m ber, a n d th e 18

t im ers u s ed for du plica te detection ). 19

1 .2 .4 .2 In terfa ce to MAC Su b layer 20

Th e in terfa ce between th e LAC Su b layer a n d th e MAC Su b la yer is a Service Acces s Poin t 21

(SAP). At th e SAP, th e LAC Su bla yer a n d th e MAC Su bla yer exch an ge LAC PDUs or 22

en ca ps u la ted PDU fra gm en t s an d in terfa ce con trol in form a t ion in th e form of a pa ra m eter 23

lis t . Th e gen era l form a t of a p rim it ive in voca t ion is : 24

MAC-<Primitive_Name>.<Primitive_Type> (<parameter_lis t>) 25

Tra n s m iss ion a n d recep t ion by th e MAC Su bla yer do n ot gu a ra n tee delivery, u n iqu en ess , or 26

order. A LAC PDU or en ca psu la ted PDU fra gm en t s u bm it ted for t ra n s m is s ion , or received , 27

is t ra n s m it ted or delivered im m edia tely, on e t im e on ly, by th e MAC Su b la yer, u n les s 28

requ es ted oth erwise. Th e MAC Su bla yer t ra n s m its a n d delivers LAC PDUs a n d 29

en ca ps u la ted PDU fra gm en t s in th e order of s u bm is s ion or recep t ion , u n less in dica ted 30

oth erwis e. Received LAC PDUs a n d en ca ps u la ted PDU fra gm en t s con tain in g errors 31

detected by th e Lower La yers a re n ot delivered . 32

1 .2 .4 .2 .1 Res erved 33

1 .2 .4 .2 .2 In terfa ce Prim it ives 34

Th e followin g p rim itives a re defin ed for com m u n ica t ion between th e LAC Su b la yer a n d th e 35

MAC Su b la yer: 36

YD/ T 1838 .3 -2008

1 -21

Na m e: MAC-SDUReady.Requ es t (channel_type, s ize, P, seqno, s cheduling_hint) 1

Type: Requ es t 2

Direct ion : LAC Su b layer to MAC Su bla yer 3

Action : In voca t ion s rep resen t requ es ts for a s eries of a va ila b ility n otifica tion s for th e 4

fra gm en ts of a n en ca ps u la ted PDU a n d m a y p rovide in form a t ion n eces s a ry 5

for s ch edu lin g th e t ra n s m is s ion of th os e fra gm en ts . 6

Na m e: MAC-SDUReady Res ponse (acces s_m ode) 7

Type: Res pon se 8

Direct ion : MAC Su b la yer to LAC Su bla yer 9

Action : Th e LAC Su bla yer is n ot ified of th e a ccess m ode to be u s ed by th e MAC 10

Su bla yer for th e t ra n s m is s ion of th e PDU correspon d in g to th e m os t recen t 11

MAC_SDURea dy.Requ es t . 12

Na m e: MAC-Data.Requ es t (channel_type, data, s ize ) 13

Type: Requ es t 14

Direct ion : LAC Su b layer to MAC Su bla yer 15

Action : Th e en ca psu la ted PDU fra gm en t is t ra n s m it ted a cros s th e ra d io in terfa ce. 16

In voca t ion s with ou t a n en ca ps u la ted PDU fra gm en t a n d with th e s ize 17

pa ra m eter s et to zero in d ica te th a t th e LAC Su b layer does n ot h a ve a n y m ore 18

da ta to be t ra n s ferred . 19

Na m e: MAC-Data.Indication (channel_id , channel_type, data, s ize, sys tem _tim e, 20

phys ical_channel_id ) 21



Action : Th e received PDU is delivered to th e LAC Su bla yer. In voca tion with ou t a n 24

en ca ps u la ted PDU fra gm en t can be u s ed to s ign al recep t ion errors . 25

Na m e: MAC-Availability.Indication (channel_type, m ax_s ize, s ys tem _tim e) 26



Action : Th e LAC Su b layer is n otified of th e m a xim u m s ize of th e en ca psu la ted PDU 29

fra gm en t th a t can be t ra n s ferred in th e n ext Lower La yer t ra n s fer u n it (e.g., 30

fra m e). In voca tion s ca n a ls o be u s ed to s ign a l s ign ifica n t t im e bou n da ries 31

(e.g., begin n in g or en d of a t im e s lot). 32

Na m e: MAC-Acces sFailu re.Indication (reason, accep tab le_rate ) 33



Action : Th e LAC Su b layer is n otified wh en th e MAC Su bla yer determ in es th a t a PDU 36

ca n n ot be t ra n s m it ted on th e r -csch . 37

Pa ra m eter defin ition s : 38

• ch an n el_type is set to “5m s FCH/ DCCH fra m e”, “20m s FCH/ DCCH fra m e”, 39

“F-CCCH fra m e”, “F-BCCH fra m e”, “R-CCCH fra m e”, “F -PCH fra m e”, “F-SYNC 40

fra m e”, “R-ACH fra m e” or “ENHANCED ACCESS fra m e”. 41

YD/ T 1838 .3 -2008

1 -22

• s ize is s et to th e n u m ber of b its in th e en ca ps u la ted PDU or th e fra gm en t of th e 1

en ca ps u la ted PDU (if data pa ra m eter is p res en t). 2

• P is th e valu e u sed in th e pers is ten ce tes ts on R-ACH, R-EACH a n d R-CCCH. 3

• s eqn o is th e a cces s p robe cou n t with in th e cu rren t a c ces s su b-a t tem pt for R-ACH, 4

R-EACH a n d R-CCCH. 5

• s ch edu lin g-h in t is u s ed to in dica te to th e m u lt iplex s u b la yer of th e MAC h ow to 6

prioritize fra gm en ts of th e en ca ps u la ted PDU versu s oth er types of m u ltip lexed 7

t ra ffic. 8

• access _m ode is th e a cces s m ode (Ba s ic Acces s Mode or Res erva tion Acces s Mode) to 9

be u sed by th e MAC Su b layer for th e t ra n s m is s ion of a PDU. 10

• data is a fra gm en t of th e en ca psu la ted PDU. 11

• s ys tem _tim e is th e t im e a t wh ich th e Ph ys ica l La yer received th e firs t bit of th e 12

Ph ys ical La yer fra m e con ta in in g th e in form a t ion bits or a t wh ich th e fra m e will be 13

t ra n s m it ted . 14

• ph ys ical_ch an n el_id is a u n iqu e iden t ifier for th e Ph ys ical Ch a n n el on wh ich th e 15

da ta wa s received a t th e Ph ys ical La yer. 16

• m ax _s ize m a xim u m a ccep ta ble valu e for th e s ize pa ra m eter of th e m a tch in g 17

MAC-Data.Requ es t p r im itive. 18

• reas on is s et equ a l to “Tim er Exp ired”, “Loss of Ch a n n el” or “In su fficien t 19

Tra n s m iss ion Ra te”. 20

• accep table_rate is s et to th e m a xim u m in s tan ta n eou s t ra n s m is s ion ra te th a t ca n be 21

u s ed for th e t ra n s fer , wh en ever reas on is s et to “In su fficien t Tra n s m is s ion Ra te”. 22

YD/ T 1838 .3 -2008

1 -23

Wh en th e LAC Su b la yer h a s a PDU to t ra n s m it, it in vokes th e MAC-SDUReady.Requ es t 1

prim it ive, pa s s in g th e s ize of th e en ca psu la ted PDU, a n d oth er in form a t ion a bou t it s u ch a s 2

type, sequ en ce n u m ber, pers is ten ce th res h old , or in form a t ion n eeded for s ch edu lin g (e.g., 3

priority). Th e MAC Su b layer u s es th is in form a t ion to perform th e t ra n s m is s ion . If a 4

s u bs equ en t MAC-SDUReady.Requ es t p r im itive is received before th e MAC Su bla yer 5

com pletes t ra n s m is s ion of th e PDU corres pon d in g to th e cu rren t MAC-SDUReady.Reques t, 6

th e n ew in voca t ion overrides th e p reviou s on e, in th e s en se th a t t ra n s m iss ion of th e 7

previou s PDU is in terru p ted a n d rep la ced by t ra n s m is s ion of th e n ew PDU. For ea ch 8

s u bs equ en t ava ila ble Ph ys ica l La yer t ra n s fer u n it (e.g., fra m e), th e MAC Su bla yer in vokes 9

th e MAC-Availability.Indication p r im it ive, a dvertis in g h ow m a n y b its ca n be ca rr ied by th e 10

t ra n s fer u n it . Th e LAC Su bla yer res pon ds im m edia tely with th e MAC-Data.Requ es t 11

prim it ive, ca rryin g da ta of s ize les s th a n or equ a l to th e a m ou n t in d ica ted in th e m a tch in g 12

MAC-Availability.Indication . If th ere is n o m ore da ta to be t ra n s ferred bu t th e 13

MAC-Availability.Indication p r im it ive is received , th e LAC Su b layer res pon ds by in vokin g 14

th e MAC-Data.Requ es t p r im it ive with th e s ize pa ra m eter s et to zero. Th is s ign a ls th e MAC 15

Su bla yer th a t th e t ra n s fer of th e PDU wa s com pleted . 16

On recep t ion , th e MAC Su bla yer in vokes th e MAC-Data.Indication p r im itive every t im e 17

th ere is a received en ca psu la ted PDU fra gm en t to be d elivered . 18

1 .2 .5 Fu n ct ion al Des crip tion 19

Th e LAC Su b la yer perform s th e followin g fu n ct ion s on ded ica ted ch an n els : 20

• Delivery of SDUs to th e La yer 3 peer en tity u s in g ARQ tech n iqu es , wh en n eeded , to 21

provide relia b ility. See ARQ Su bla yer below. 22

• As sem blin g a n d va lida t in g well-form ed PDUs , a ppropria te for ca rryin g th e SDUs . 23

See Utility Su b layer below. 24

• Segm en ta tion of en ca psu la ted PDUs in to en capsu la ted PDU fra gm en ts of s izes 25

s u ita b le for t ra n s fer by th e MAC Su bla yer. See SAR Su b layer below. 26

• Rea s s em bly of en ca psu la ted PDU fra gm en ts in to en ca ps u la ted PDUs . See SAR 27

Su bla yer below. 28

• Acces s con trol th rou gh “globa l ch a llen ge” au th en tica t ion . 1 Con cep tu a lly, s om e 29

m es s a ges fa ilin g a u th en tica tion on a com m on ch an n el s h ou ld n ot be delivered to 30

th e Upper La yers for p roces s in g. See Au th en tica tion Su bla yer below. 31

• Address con trol to en su re delivery of PDUs ba sed u pon a ddress es wh ich iden t ify 32

pa rt icu la r m obile s ta tion s . See Address in g Su blayer below. 33

1 Som e au th en tica tion is a Layer 3 fu n ction wh ile s om e res id es in Layer 2 . Specifica lly, th e “glob a l

ch a llen ge” type of a u th en tica tion is p la ced in Layer 2 , b ecau se it can b e viewed as rela ted to a cces s .

Im p lem en ta tion s are n ot con s tra in ed by th is m odelin g con s id era tion .

YD/ T 1838 .3 -2008

1 -24

1 .2 .5 .1 Opera t ion on r -cs ch 1

Figu re 1 .2 .5 .1 -1 s h ows a n exa m ple s t ru ctu re of th e LAC Su b layer for th e r -cs ch logica l 2

ch a n n el: 3

LAC

Sublayer

Utility Sublayer

Lower

Layers

SAP

Layer 3

Transmission/

Reception

Addressing Sublayer

Authentication Sublayer

r-csch

ARQ Sublayer

SAP

SAR Sublayer

4

Figu re 1 .2 .5 .1 -1 . Protocol Architectu re: r-cs ch 5

Mess a ge t ra n s m iss ion by th e m obile s ta tion on th e r -cs ch opera tes a s follows : 6

• At th e SAP, La yer 3 in vokes th e L2-Data.Reques t p r im it ive th a t ca rr ies th e SDU a n d 7

th e a s socia ted MCSB to th e LAC Su bla yer. 8

• Th e SDU a n d th e MCSB a re p res en ted to th e Au th en t ica tion Su bla yer, wh ich s ets 9

th e m obile s ta t ion a u th en tica tion fields a n d a dds th em to th e SDU, p rodu cin g th e 10

in it ia l LAC Protocol Da ta Un it (PDU). 11

• Th e PDU a n d th e MCSB a re th en p res en ted to th e ARQ Su bla yer, wh ich s ets th e 12

m obile s ta tion a ckn owledgm en t fields a ccord in gly, ba s ed u pon in form a t ion a va ila b le 13

in th e MCSB. Th ese fields a re a dded to th e PDU. 14

– If th e ARQ s u bla yer is requ ired to s en d a n a ckn owledgm en t for a received PDU 15

a n d La yer 3 in dica tes th a t th ere is n o La yer 3 respon s e to th e received PDU, th e 16

ARQ Su b la yer s en ds a n a ckn owledgm en t -on ly PDU to a ckn owledge th e received 17

PDU. 18

– If th e ARQ s u bla yer is requ ired to s en d a n a ckn owledgm en t for a received PDU 19

a n d La yer 3 in dica tes th a t th ere is a La yer 3 res pon s e to th e received PDU, th e 20

ARQ s u bla yer in clu des th e a ckn owledgm en t in th e PDU ca rryin g th e La yer 3 21

res pon s e. 22

• Th e PDU a n d th e MCSB a re th en p res en ted to th e Addres s in g Su b layer, wh ich sets 23

th e m obile s ta t ion a ddres s fields to p roper va lu es a n d a dds th em to th e PDU. 24

YD/ T 1838 .3 -2008

1 -25

• Th e PDU a n d th e MCSB a re th en p res en ted to th e Utility Su b la yer, wh ich m a ps th e 1

MSG_TAG in th e MCSB to th e MSG_TYPE field of th e PDU. Th e Utilit y Su b la yer 2

fu rth er a s s em bles th e m obile s ta t ion p ilot m ea su rem en t report fields a n d a dds th em 3

to th e PDU. For ea ch ret ra n s m is s ion , th e old set of p ilot m ea su rem en t report fields 4

m a y be rep la ced by a n ew set of p ilot m ea su rem en t report fields . Th en , th e PDU is 5

pa dded so its len gth is a n in tegra l n u m ber of octets p lu s two b its by a ppen d in g 0 -7 6

b its of „0 ‟, a s n eces s a ry. Th is opera tion com pletes th e con s tru ction of th e PDU. If 7

a n error occu rs , th e LAC Su b la yer ca n in form La yer 3 by u s in g th e 8

L2-Condition.Notification p r im itive. 9

• Th e PDU a n d th e MCSB a re th en p res en ted to th e SAR Su b layer, wh ich com pu tes 10

th e len gth a n d th e CRC pa ra m eters for th e PDU. Th e PDU is logica lly en ca psu la ted 11

between th e p repen ded len gth pa ra m eter a n d th e a ppen ded CRC pa ra m eter . 12

• By m ea n s of a on e-tim e in voca tion of th e MAC-SDUReady.Requ es t p r im itive, th e 13

SAR Su bla yer in d ica tes to th e MAC Su b layer th a t th ere is a PDU rea dy for 14

t ra n s m iss ion on th e r -cs ch . If th e ba s e s ta t ion a llows r -cs ch s ign alin g on ly on th e 15

Acces s Ch a n n el, th e PDU is su bm it ted to th e MAC s u bla yer for t ra n s m iss ion on th e 16

Acces s Ch a n n el. If th e ba s e s ta tion a llows r -csch s ign a lin g on th e En h a n ced Acces s 17

Ch a n n el, th e PDU is su bm it ted to th e MAC s u b layer on th e En h a n ced Acces s 18

Ch a n n el. Th e in form a t ion s en t via th is in voca tion of th e p rim itive m a y be u s ed by 19

th e MAC Su bla yer to decide wh eth er to in voke th e MAC-Availability.Indication 20

prim it ive (an d if s o, h ow m a n y t im es). Th e LAC su b layer ca n a lso receive th e 21

MAC-Acces sFailu re.Indication p r im itive to in d ica te to th e LAC su b layer th a t s pecific 22

con d ition s or even ts th a t p reven ted a s u cces s fu l tra n s m is s ion h a ve occu rred . 23

• Th e SAR Su b layer wa its for ea ch recep t ion of th e MAC-Availability.Indication 24

prim it ive from th e MAC Su bla yer, in d ica t in g th e a va ila bility, t ra n s m is s ion t im e, a n d 25

ca pa city of th e ph ys ical ch an n el fra m e th a t ca n ca rry th e con ten ts of th e LAC PDU. 26

On ea ch recept ion of th e p rim itive, th e SAR Su b layer a s s em bles a n en ca psu la ted 27

PDU fra gm en t to be t ra n s m it ted u s in g th e n ext u n tra n s m it ted bits of th e PDU (u p t o 28

th e s pecified a va ila b le ca pa city), a n d in vokes th e MAC-Data.Requ es t p r im itive. If 29

th e SAR Su b layer h a s n oth in g (m ore) to t ra n s m it bu t con tin u es to receive th e 30

MAC-Availability.Indication p r im itive, it replies by in vok in g th e MAC-Data.Requ es t 31

prim it ive with th e len gth in dica tor s et to zero. 32

Mess a ge recep tion by th e ba s e s ta tion on th e r -csch opera tes a s follows : 33

YD/ T 1838 .3 -2008

1 -26

• With in a n r -cs ch tim e s lot , th e SAR Su bla yer receives ea ch en ca psu la ted PDU 1

fra gm en t a n d th e a ss ocia ted pa ra m eter lis t from th e MAC Su bla yer via th e 2

MAC-Data.Indication p r im it ive.2 Upon receivin g a firs t fra gm en t , th e PDU ca psu le 3

len gth is determ in ed . All of th e su bsequ en tly received fra gm en ts a re con ca ten a ted 4

a ccordin g to th e expected len gth or u n til th e r -csch t im e s lot expires , wh ich ever 5

occu rs firs t . If th e CRC m a tch es , th e len gth a n d CRC pa ra m eters a re d is ca rded 3 6

a n d th e PDU is p res en ted to th e Utility Su bla yer. If th e CRC does n ot m a tch , th e 7

PDU a n d th e SAR pa ra m eters a re d is ca rded . 8

• Th e MCSB is gen era ted . 9

• Th e Utility Su b la yer m a ps th e MSG_TYPE to a MSG_TAG su ita b le for La yer 3 . 10

• Th e PDU a n d th e MCSB a re p res en ted to th e Addres s in g Su b la yer, wh ich recogn izes 11

a n d p roces s es th e a ddres s of th e m obile s ta tion th a t gen era ted th e m es s age. An 12

a ddres s -s pecific in s ta n ce is crea ted in th e ARQ Su b layer a n d Au th en t ica tion 13

Su bla yer for th e m obile s ta tion . Th e a ddress fields a re rem oved from th e PDU. 14

• Th e PDU a n d th e MCSB a re p res en ted to th e ARQ Su bla yer, for th e a ddres sed 15

m obile. After p roces s in g, th e ARQ fields a re rem oved from th e PDU. A u n iqu e 16

iden t ifier is crea ted con ta in in g th e iden tity of th e m obile s ta tion , th e MSG_TAG, a n d 17

a n in s ta n ce s pecifica tion a n d is a s socia ted with th e m es s age in th e MCSB. Th e 18

rem a in der of th e PDU a n d th e MCSB a re p res en ted to th e Au th en tica t ion Su b la yer. 19

• Th e Au th en t ica t ion Su bla yer s elects a n d rem oves th e m obile s ta t ion a u th en tica tion 20

fields from th e PDU a n d in itia tes th eir p rocess in g. If th e a u th en tica tion fa ils , th e 21

PDU m a y be dis ca rded with ou t bein g delivered to th e Upper La yers . In s om e ca ses 22

it m a y be d es ira b le to perform th e a u th en t ica t ion fu n ction in pa ra llel with th e Upper 23

La yer fu n ction s in voked by th e m es s age ca rr ied in th e PDU. If th e a u th en t ica t ion 24

fa ils la ter , th e Au th en tica t ion Su b la yer ca n gen era te a n L2-Condition.Notification 25

prim it ive to La yer 3 s pecifyin g th e u n iqu e m ess a ge iden t ifier of th e m ess a ge th a t 26

wa s n ot p roperly a u th en t ica ted . 27

• Th e rem a in in g La yer 3 SDU a n d th e a s socia ted MCSB a re th en p res en ted to La yer 3 28

a t th e SAP via th e L2-Data.Indication p r im it ive. 29

1 .2 .5 .2 Opera t ion on f-cs ch 30

Figu re 1 .2 .5 .2 -1 s h ows a n exa m ple s t ru ctu re of th e LAC Su b la yer for th e f-cs ch logica l 31

ch a n n el: 32

2 If th e MAC Su b la yer detects th a t a fra m e wa s received in er ror , th e MAC Su b layer m ay n otify th e

SAR Su b layer (via th e MAC-Data.Indication p r im itive) or m ay s top s en d in g th e con ten ts of th a t fra m e

a n d s u bs equ en t on es (to th e en d of th e r -csch tim e s lot), or b oth .

3 Th e len gth of th e PDU is firs t recorded in th e MCSB.

YD/ T 1838 .3 -2008

1 -27

LAC

Sublayer

Lower

Layers

SAP

Layer 3

Transmission/

Reception

f-csch

SAP

Utility Sublayer

Addressing Sublayer

ARQ Sublayer

SAR Sublayer

1

Figu re 1 .2 .5 .2 -1 . Protocol Architectu re: f-cs ch 2

Mess a ge t ra n s m iss ion by th e ba se s ta t ion on th e f-cs ch opera tes a s follows : 3

• Th e La yer 3 m es s age (LAC SDU) a n d th e a s socia ted MCSB a re p res en ted to th e LAC 4

Su bla yer via th e L2-Data.Reques t p r im it ive. Th e a s s ocia ted MCSB in d ica tes th e 5

proper f-cs ch logica l ch a n n el (syn c, b roa dca s t , or gen era l s ign alin g) to be u s ed for 6

th e LAC SDU a n d th e ph ys ica l ch a n n el th a t th e logical ch an n el m a ps to (th e Pagin g 7

Ch a n n el or th e Broa dca s t Ch an n el for th e b roadca s t ch a n n el, a n d th e Pa gin g 8

Ch a n n el or th e Forwa rd Com m on Con trol Ch an n el for th e gen era l s ign a lin g 9

ch a n n el). Th e MCSB m a y in d ica te th a t a m es s age n eeds to be t ra n s m it ted on 10

m u ltip le ph ys ica l ch a n n els . 11

• For m es s ages sen t on th e s yn c a n d b roa dca s t logica l ch an n els a n d th os e m ess a ges 12

s en t on th e gen era l s ign a lin g ch a n n el th a t a re a ddres s ed to a s in gle m obile s ta t ion , 13

th e LAC Su b la yer en ca ps u la tes each SDU in a PDU. Th e corres pon d in g PDU is 14

a s s em bled a s follows : 15

– If th e PDU is s en t on th e gen era l s ign a lin g ch an n el, th e ARQ Su bla yer a dds th e 16

relevan t a ckn owledgm en t fields to th e PDU ca rryin g th e m es s age. Th e PDU a n d 17

th e MCSB a re pa s s ed to th e Add res s in g Su b layer. 18

– If th e PDU is s en t on th e gen era l s ign a lin g ch an n el, th e Addres s in g Su b layer 19

a dds th e releva n t m obile s ta tion a ddress pa ra m eters to th e PDU ca rryin g th e 20

m es s a ge. Th e PDU a n d th e MCSB a re pa s s ed to th e Utility Su bla yer. 21

– Th e Utility Su b la yer com pletes a s s em bly of th e PDU (s electin g th e a ppropria te 22

PDU form a t a ccord in g to th e p rotocol) a n d m a ps th e MSG_TAG to MSG_TYPE. 23

Th en , th e PDU is pa dded by a ppen din g 0 -7 b its of „0 ‟, a s n eces s a ry, for th e 24

s u bs equ en t t ra n s fer of a n in tegra l n u m ber o f octets p lu s two b its to th e SAR 25

Su bla yer. Th e PDU a n d th e MCSB a re pa s s ed to th e SAR Su b layer. 26

YD/ T 1838 .3 -2008

1 -28

• For m es s ages a ddress ed to m u lt iple m obile s ta tion s oth er th an th e Un ivers al Page 1

Mess age a n d wh ich do n ot con tain th e Exten ded En cryp tion Fields (e.g., th e Order 2

Mess age , th e Ch an n el Ass ign m en t Mes s age , th e Ex ten ded Ch an n el As s ign m en t 3

Mess age , th e Gen eral Page Mes s age ), th e LAC su bla yer en ca psu la tes on e or m ore 4

SDUs of th e s a m e type in a s in gle PDU. If th e ba se s ta t ion u s es th e Ex ten ded 5

En cryp tion Fields a n d en ca psu la tes m u lt ip le SDUs in a s in gle PDU, th e ba se s ta t ion 6

ca n s en d on ly th e Ex ten ded Ch an n el As s ign m en t Mess age (i.e., th e ba s e s ta t ion 7

m a y n ot sen d th e Ch an n el As s ign m en t Mess age or th e Order Mes s age). Th e 8

corres pon d in g PDU is a s s em bled a s follows : 9

– La yer 3 p res en ts ea ch of th e LAC SDUs (records ) to be in clu ded in a PDU, on e a t 10

a t im e, a n d in dica tes to th e LAC Su bla yer wh en it h a s s en t a ll records to be 11

in clu ded in a s in gle PDU. For th e Gen eral Page Mes s age : 12

+ La yer 3 s en ds a record of n on -zero len gth for ea ch m obile s ta t ion -a ddress ed 13

pa ge record , if a n y, a n d a record of zero len gth for ea ch b roa dca s t pa ge 14

record , if a n y. 15

+ Wh en La yer 3 in dica tes to th e LAC Su bla yer th a t it h a s s en t a ll records , if 16

a n y, to be in clu ded in a s in gle m es s a ge, it s en ds th e GPM Com m on Fields to 17

th e LAC Su b la yer. Th e ARQ Su b la yer a dds th e relevan t a ckn owledgm en t 18

fields to th e record . Th e record a n d th e MCSB a re pa s s ed to th e Address in g 19

Su bla yer. 20

– Th e Addres s in g Su b layer a dds th e relevan t m obile s ta t ion a ddres s pa ra m eters t o 21

th e record . Th e record a n d th e MCSB a re pa s s ed to th e Utility Su bla yer. 22

– Th e Utility Su b la yer collects records to be in clu ded in a s in gle PDU. Wh en it 23

receives a n in dica t ion from La yer 3 , it en ca psu la tes a ll records of th e type 24

in dica ted by La yer 3 in a s in gle PDU, s elects th e a ppropria te PDU form a t 25

a ccordin g to th e p rotocol, a n d m a ps th e MSG_TAG to MSG_TYPE. Th e Utility 26

Su bla yer in clu des records in a PDU in th e s a m e order a s th ey were received 27

from La yer 3 . If th e PDU corres pon ds to a Gen eral Page Mes s age , th e Utility 28

Su bla yer crea tes a h ea der for th e m ess a ge u s in g th e GPM Com m on Fields . Th en , 29

th e PDU is pa dded by a ppen din g 0 -7 b its of „0 ‟, a s n eces s a ry, for th e su bs equ en t 30

t ra n s fer of a n in tegra l n u m ber of octets plu s two b its to th e SAR Su bla yer. Th e 31

PDU a n d th e MCSB a re pa s sed to th e SAR Su b layer. 32

• For th e Un ivers al Page Mes s age (wh ich m a y be a ddres s ed to m u lt iple m obile 33

s ta t ion s ), th e LAC Su b layer en ca psu la tes on e or m ore SDUs of th e s a m e type in to 34

on e or m ore PDUs . Th e PDUs a re a s s em bled a s fo llows : 35

YD/ T 1838 .3 -2008

1 -29

– La yer 3 p res en ts ea ch of th e LAC SDUs (records ) to be in clu ded in th e m ess a ge, 1

on e a t a t im e, a n d in d ica tes to th e LAC Su bla yer wh en it h as s en t a ll records to 2

be in clu ded in th e m es s age. La yer 3 s en ds a record of n on -zero len gth for ea ch 3

m obile s ta tion -a ddres s ed pa ge record . La yer 3 s en ds a record of n on -zero len gth 4

for ea ch en h a n ced b roa dcas t pa ge record . La yer 3 s en ds a record of zero len gth 5

for ea ch m obile s ta t ion -d irected m ess a ge a n n ou n cem en t . Wh en La yer 3 6

in dica tes to th e LAC Su bla yer th a t it h a s sen t a ll records to be in clu ded in th e 7

m es s a ge, it a lso s en ds th e UPM Com m on Fields to th e LAC Su b layer. La yer 3 8

m a y s en d on ly th e UPM Com m on Fields a n d n ot sen d a n y records . 9

– Th e ARQ Su bla yer a dds th e releva n t a ckn owledgm en t fields to th e recor d . Th e 10

record a n d th e MCSB a re pa s s ed to th e Address in g Su b la yer. 11

– Th e Addres s in g Su b layer a dds th e relevan t m obile s ta t ion a ddres s pa ra m eters to 12

th e record . Th e record a n d th e MCSB a re pa s s ed to th e Utility Su bla yer. 13

– Th e Utility Su b la yer collects records to be in clu ded in th e m es s a ge. Wh en a n 14

in dica tion is received from La yer 3 , a ll records of th e type in d ica ted by La yer 3 15

a re en ca psu la ted in a p relim in a ry s t ru ctu re called th e Un ivers al Page Block th a t 16

in clu des th e UPM Com m on Fields . Th e Utility Su b la yer th en in clu des th e 17

Un ivers al Page B lock in a s in gle PDU, or op tion ally s egm en ts th e Un ivers al Page 18

B lock in to m u ltip le PDUs . For ea ch PDU, th e Utility Su bla yer th en selects th e 19

a ppropria te PDU form a t a ccord in g to th e p rotocol a n d m a ps th e MSG_TAG to 20

MSG_TYPE. Th en ea ch PDU is pa dded by a ppen din g 0 -7 b its of „0 ‟, a s n ecess a ry, 21

for th e s u bs equ en t t ra n s fer of a n a ppropria te n u m ber of b its to th e SAR 22

Su bla yer. Th e PDU a n d th e MCSB a re pa s s ed to th e SAR Su b layer. 23

• Th e SAR Su b layer com pu tes th e len gth a n d th e CRC pa ra m eters for th e PDU. Th e 24

PDU is logica lly en ca ps u la ted between th e p repen ded len gth pa ra m eter a n d th e 25

a ppen ded CRC pa ra m eter . 26

• By m ea n s of a on e-tim e in voca tion of th e MAC-SDUReady.Requ es t p r im itive for ea ch 27

ch a n n el (Pa gin g Ch a n n el, Broa dcas t Ch a n n el, or Forwa rd Com m on Con trol Ch a n n el) 28

on wh ich th e PDU is to be t ra n s m it ted , th e SAR Su b layer in d ica tes to th e MAC 29

Su bla yer th a t th ere is a PDU rea dy for t ra n s m is s ion on th a t ch a n n el. Th e 30

in form a t ion s en t via th is in voca tion of th e p rim itive m a y b e u s ed by th e MAC 31

Su bla yer to decide wh eth er to in voke th e MAC-Availability.Indication p r im itive (a n d 32

if s o, h ow m a n y tim es). 33

YD/ T 1838 .3 -2008

1 -30

• Th e SAR Su b layer wa its to receive th e MAC-Availability.Indication prim it ive from th e 1

MAC Su b la yer (on ea ch fra m e for th e s yn c ch a n n el, ea ch h a lf-fra m e for th e Pa gin g 2

Ch a n n el, or ea ch pa rt ia l-fra m e for th e Forwa rd Com m on Con trol Ch a n n el or th e 3

Broa dca s t Ch a n n el), in dica tin g th e a va ila b ility, t ra n s m iss ion tim e, a n d ca pa city of 4

th e ph ys ica l ch a n n el fra m e th a t ca n ca rry th e con ten ts of th e PDU. On each 5

recep tion of th e p rim it ive,4 th e SAR Su bla yer a s sem bles th e en ca psu la ted PDU 6

fra gm en t to be t ra n s m it ted u s in g th e n ext u n tra n s m it ted b its of th e PDU (u p to on e 7

or two bits les s th a n th e s pecified a va ila ble ca pacity). Th e SAR Su bla yer th en a dds 8

th e S ta rt of Mes s age (SOM) b it for th e syn c ch an n el, or th e Syn ch ron ized Ca psu le 9

In d ica tor (SCI) b it for th e Pa gin g Ch a n n el a n d th e Broa dca s t Ch an n el, or th e 10

Segm en ta tion In dica tor (SI) field for th e Forwa rd Com m on Con trol Ch a n n el, 11

in dica tin g th e fra gm en t‟s pos ition in th e en ca psu la ted PDU (firs t or su bsequ en t), 12

a n d in vokes th e MAC-Data.Requ es t p r im itive. 13

– On th e s yn c ch a n n el, if a t th e recep t ion of th e MAC-Availability.Indication 14

prim it ives th ere a re fewer in form a t ion b its to t ra n s fer th a n th e sp ecified ca pacity 15

of th e fra m e, en ou gh pa dd in g b its (set to „0 ‟) to fill th e s pecified ca pa city of th e 16

fra m e a re a ppen ded to th e in form a t ion b its a n d th e pa dded da ta is t ra n s ferred 17

via th e MAC-Data.Requ es t p r im itive. Followin g ea ch of th e su bsequ en t 18

recep tion s of th e MAC-Availability.Indication p r im it ive corres pon din g to fra m es 19

with in th e cu rren t syn c ch an n el su perfra m e (if a n y), on ly pa dd in g b its (set to „0 ‟) 20

a re t ra n s ferred to fill ea ch s yn c ch a n n el fra m e to th e s pecified ca pa city. 21

– On th e Pa gin g Ch a n n el, if a t th e recep tion of th e MAC-Availability.Indication 22

prim it ives th ere a re fewer in form a t ion b its to t ra n s fer th a n th e specified ca pacity 23

of th e h alf-fra m e, en ou gh pa ddin g b its (set to „0 ‟) to fill th e s pecified ca pa city of 24

th e h alf-fra m e m a y be a ppen d ed to th e in form a tion b its a n d th e pa dded da ta 25

m a y be t ra n s ferred via th e MAC-Data.Requ es t p r im it ive. Altern a t ively, if th ere 26

a re a t lea s t eigh t b its of extra ca pa city left in th e h a lf-fra m e, en ou gh (to fill th e 27

h a lf-fra m e) begin n in g bits of th e n ext en ca psu la ted PDU (an d pos s ib ly exten d in g 28

fu rth er to su bsequ en t en ca psu la ted PDUs) to be tra n s m it ted a re a ppen ded to 29

th e u n tra n s m it ted in form a t ion bits of th e las t en ca ps u la ted PDU a n d t ra n s ferred . 30

If n o oth er en ca ps u la ted PDUs a re a va ila b le to t ran s fer , en ca p su la ted PDUs 31

corres pon d in g to th e Nu ll Mes s a ge a re t ra n s ferred con tin u ou s ly. 32

4 On th e syn c ch a n n el, th e tra n s fer of a n ew en cap su la ted PDU b egin s on ly in th e fir s t fram e of a

s u p er fra m e.

YD/ T 1838 .3 -2008

1 -31

– On th e Broa dcas t Ch a n n el or th e Forwa rd Com m on Con trol Ch a n n el, if a t th e 1

recep tion of th e MAC-Availability.Indication p r im it ives th ere a re fewer 2

in form a t ion b its to t ra n s fer th a n th e s pecified ca pa city of th e pa rt ia l-fra m e, 3

en ou gh pa ddin g b its (s et to „0 ‟) to fill th e s pecified ca pa city of th e pa rt ia l -fra m e 4

m a y be a ppen ded to th e in form a t ion b its a n d th e pa dded da ta m a y be 5

t ra n s ferred via th e MAC-Data.Requ es t p r im itive. Altern a t ively, if th ere a re 6

en ou gh bits of extra ca pa city left in th e pa rt ia l-fra m e, to in clu de a t lea s t th e 7

en tire m es s a ge len gth fields of th e n ext en ca psu la ted PDU (a n d poss ibly 8

exten din g fu rth er to s u bs equ en t en ca ps u la ted PDUs ) to be t ra n s m it ted , en ou gh 9

b its (to fill th e pa rt ia l-fra m e) of th e PDU a re a ppen ded to th e u n tra n s m it ted 10

in form a t ion b its of th e la s t en ca ps u la ted PDU an d t ra n s ferred . 11

Mess a ge recep tion by th e m obile s ta t ion on th e f-cs ch opera tes a s follows : 12

• Th e SAR Su b layer receives in form a t ion b its con ta in in g th e en ca psu la ted PDU 13

fra gm en t a n d th e pa ra m eter lis t from th e MAC Su b la yer via th e 14

MAC-Data.Indication p r im it ive. Th e MCSB is gen era ted . 15

• Th e firs t en ca psu la ted PDU fra gm en t is iden t ified (via th e SOM bit for th e syn c 16

ch a n n el, or via th e SCI b it or SI field for a n y oth er f-cs ch logical ch an n el) a n d th e 17

PDU ca ps u le len gth is determ in ed . For f-cs ch logica l ch an n els oth er th a n th e s yn c 18

ch a n n el, a firs t fra gm en t of a n en ca psu la ted PDU m a y s ta rt im m edia tely a fter th e 19

la s t b it of a p reced in g PDU ca p su le, if it is im m edia tely followed by eigh t or m ore 20

in form a t ion b its t ra n s ferred via th e s a m e MAC-Data.Indication p r im itive a n d if th e 21

a forem en tion ed eigh t b its b in a ry en code a n u n s ign ed in teger grea ter th an or equ a l 22

to five. 23

• For th e a ss em bly of ea ch PDU, a ll s u bs equ en t ly received en ca ps u la ted PDU 24

fra gm en ts a re con ca ten a ted , eith er u p to th e expected len gth or u n til a n ew firs t 25

fra gm en t is received (wh ich res ta rts th e rea s sem bly p rocedu re). Th e SOM/ SCI/ SI 26

b its a re d isca rded . Th e CRC is ch ecked a gain s t th e received da ta a n d if th e ch eck 27

fa ils , a ll of th e received da ta (en ca ps u la ted PDU fra gm en ts a n d th e a ss ocia ted SAR 28

pa ra m eters ) a re d is ca rded ; oth erwise, on ly th e len gth a n d CRC pa ra m eters a re 29

d is ca rded , a n d th e rem a in in g PDU is p res en ted to th e Utility Su bla yer. 30

• At th e Utility Su bla yer, th e Mess a ge Type fields a re m a pped to th e correspon d in g 31

MSG_TAG. For th e Un ivers al Page Mes s age , th e Utility Su b layer m a y perform 32

rea s s em bly of th e Un ivers al Page Mess age from m u ltiple received PDUs . 33

• For m es s ages received on th e syn c ch an n el or th e b roa dca s t ch an n el, th e LAC SDU 34

(from th e received PDU) a n d th e a s socia ted MCSB a re p res en ted to La yer 3 th rou gh 35

th e SAP via th e L2-Data.Indication p r im it ive. 36

• For m es s ages received on th e gen era l s ign alin g ch a n n el th a t a re a ddres s ed to a 37

s in gle m obile s ta t ion : 38

YD/ T 1838 .3 -2008

1 -32

– Th e Addres s in g Su b layer con verts th e a ddres s fields in th e PDU a ccord in g to th e 1

protocol a n d p rocess es th em for a ddres s m a tch in g. If th e des t in a tion of th e PDU 2

does n ot m a tch th e iden t ity of th e m obile s ta t ion , th e PDU a n d th e MCSB a re 3

d is ca rded ; oth erwis e, th e a ddress fields a re rem oved from th e PDU, a n d th e 4

rem a in der of th e PDU a n d th e MCSB a re s en t to th e ARQ Su bla yer. 5

– Th e PDU a n d th e MCSB a re th en pa s s ed to th e ARQ Su b layer wh ere th e ARQ 6

fields a re p rocess ed a n d th en rem oved from th e PDU. If th e received PDU 7

requ ires a n a ckn owledgm en t , th e ARQ Su b layer in clu des a n in d ica t ion for th is 8

requ irem en t in th e MCSB. If a n a cces s a t tem pt is in p rogres s a n d th e received 9

PDU does n ot con ta in a n a ckn owledgm en t for th e PD U bein g t ra n s m it ted , th e 10

ARQ Su b la yer in clu des a n in dica tion for th is con d it ion in th e MCSB. 11

– Th e LAC SDU (from th e received PDU) a n d th e a s socia ted MCSB a re th en 12

pres en ted to La yer 3 th rou gh th e SAP via th e L2-Data.Indication p r im it ive. 13

– If th e received PDU in clu des a n a ckn owledgm en t to a p reviou s ly t ra n s m it ted 14

PDU con ta in in g a n a ckn owledgm en t , th e LAC Su b la yer s en ds a n in dica tion to 15

La yer 3 via th e L2-Condition.Notification p r im itive. 16

• For m es s ages sen t on th e gen era l s ign a lin g ch a n n el th a t a re a ddres s ed to m u ltip le 17

m obile s ta tion s : 18

– If th e m es s a ge is a Gen eral Page Mess age , th e Utility Su bla yer rem oves th e GPM 19

Com m on Fields from th e PDU a n d pu ts th em in th e MCSB. 20

– If th e m es s a ge is a Un ivers al Page Mes s age , th e Utility Su bla yer rem oves th e 21

UPM Com m on Fields from th e PDU a n d pu ts th em in th e MCSB. 22

– Th e Addres s in g Su b layer con verts th e a ddres s fields in ea ch record of th e PDU 23

a ccordin g to th e p rotocol a n d p roces s es th em for a ddres s m a tch in g. If th e 24

des tin a tion of th e record does n ot m a tch th e iden tity of th e m obile s ta t ion , th e 25

record is dis ca rded ; oth erwis e, th e a ddress fields a re rem oved from th e record , 26

a n d th e rem a in der of th e record a n d th e MCSB a re s en t to th e ARQ Su b layer. 27

– Th e record a n d th e MCSB a re th en pa ss ed to th e ARQ Su b la yer wh ere th e ARQ 28

fields a re p rocess ed a n d th en rem oved from th e record . If th e received PDU 29

requ ires a n a ckn owledgm en t , th e ARQ Su b layer in clu des a n in d ica t ion for th is 30

requ irem en t in th e MCSB. If a n a cces s a t tem pt is in p rogres s a n d th e received 31

PDU does n ot con ta in a n a ckn owledgm en t for th e PDU bein g t ra n s m it ted , th e 32

ARQ Su b la yer in clu des a n in dica tion for th is con d it ion in th e MCSB. 33

– Th e LAC SDU (from th e record of th e received PDU) a n d th e a s socia ted MCSB 34

a re th en p resen ted to La yer 3 th rou gh th e SAP via th e L2-Data.Indication 35

prim it ive. For th e Gen eral Page Mess age a n d th e Un ivers al Page Mes s age , th e 36

MCSB (con tain in g th e GPM Com m on Fields or th e UPM Com m on Fields , 37

res pectively) is p res en ted to La yer 3 even if th ere is n o record a ddres sed to th e 38


– If th e received PDU in clu des a n a ckn owledgm en t to a p reviou s ly t ra n s m it ted 40

PDU con ta in in g a n a ckn owledgm en t , th e LAC Su b la yer s en ds a n in dica tion to 41

La yer 3 via th e L2-Condition.Notification p r im itive. 42

YD/ T 1838 .3 -2008

1 -33

1 .2 .5 .3 Opera t ion on r -ds ch a n d f-ds ch 1

Figu re 1 .2 .5 .3 -1 s h ows a n exa m ple s t ru ctu re of th e LAC Su bla yer for th e f-ds ch a n d r -dsch 2

logica l ch an n els : 3

LAC

Sublayer

Utility Sublayer

Lower

Layers

SAP

Layer 3

Transmission/

Reception

f-dsch and r-dsch

ARQ Sublayer

SAP

SAR Sublayer

4

Figu re 1 .2 .5 .3 -1 . Protocol Architectu re: f-ds ch and r-ds ch 5

Mess a ge t ra n s m is s ion by th e ba s e s ta t ion a n d th e m obile s ta t ion on th e log ica l ded ica ted 6

s ign a lin g ch an n els opera tes a s follows : 7

• Th e La yer 2 SDU a n d th e a s socia ted MCSB a re p res en ted to th e LAC Su b layer via 8

th e SAP, u s in g th e L2-Data.Requ est p r im itive. 9

• Th e ARQ Su bla yer p rocess es a n d a dds a ckn owledgem en t -rela ted fields to th e PDU, 10

a n d p res en ts th e PDU a n d th e MCSB to th e Utility Su b la yer. 11

• Th e Utility Su b la yer m a ps th e MSG_TAG to th e MSG_TYPE field of th e PDU. For a 12

regu la r PDU, th e Utility Su bla yer a dds th e ENCRYPTION field (iden tifyin g th e s ta tu s 13

of en cryp t ion on th e ch an n el), a n d pa dd in g b its (set to „0 ‟) a re a dded a s n eeded to 14

exten d th e PDU‟s len gth to a n in tegra l n u m ber of octets . Th e PDU a n d th e MCSB 15

a re pa s s ed to th e SAR Su b layer. 16

• For a regu la r PDU, th e SAR Su bla yer com pu tes th e len gth a n d th e CRC pa ra m eter 17

for th e PDU. Th e PDU is logically en ca psu la ted between th e p repen ded len gth 18

pa ra m eter a n d th e a ppen ded CRC pa ra m eter . 19

• Via a on e-tim e in voca tion of th e MAC-SDUReady.Requ es t p r im itive, th e SAR 20

Su bla yer m a y in d ica te to th e MAC Su bla yer th a t th ere is a pen d in g PDU for 21

t ra n s m iss ion . Th e in form a t ion sen t via th is in voca t ion of th e p rim it ive m a y be u s ed 22

by th e MAC Su b la yer to decide wh eth er to in voke th e MAC-Availability.Indication 23

prim it ive (an d if s o, h ow m a n y t im es). 24

YD/ T 1838 .3 -2008

1 -34

• Th e SAR Su b layer wa its for ea ch n otifica tion from th e MAC Su b layer in d ica tin g th e 1

a va ila bility, t ra n s m is s ion t im e, a n d ca pa city of th e fra m e th a t ca n ca rry th e 2

con ten ts of th e PDU. Th e MAC Su b layer in vokes th e MAC-Availability.Indication 3

prim it ive periodica lly, on ce every 20 m s in dica t in g a va ila b le ca pa city with in a 4

regu la r fra m e a n d , op t ion ally, on ce every 5 m s in d ica tin g a va ila bility of m in i fra m es . 5

– If a m in i PDU is a va ila ble for t ra n s m is s ion a t th e tim e of th e recep tion of th e 6

MAC-Availability.Indication p r im itive th a t in dica tes a va ila ble ca pa city for a m in i 7

fra m e, th e SAR Su b la yer in vokes th e MAC-Data.Requ es t p r im itive con ta in in g a 8

m in i PDU. 9

– If a regu la r PDU is a vaila ble for t ra n s m iss ion a t th e t im e of th e recep t ion of th e 10

MAC-Availability.Indication p r im itive th a t in dica tes a va ila ble ca pa city for a 11

regu la r fra m e, th e SAR Su bla yer a s s em bles th e en ca psu la ted PDU fra gm en t to 12

be t ra n s m it ted u s in g th e n ext u n tra n s m it ted b its of th e en ca psu la ted PDU (u p 13

to on e or two b its les s th an th e specified a vaila ble ca pa city). It th en a dds th e 14

SOM b it or th e SI b its , a s a ppropria te, in d ica t in g th e fra gm en t pos it ion (firs t or 15

s u bs equ en t) in th e PDU, a n d in vokes th e MAC-Data.Requ es t p r im it ive 16

con ta in in g th e a s s em bled en ca psu la ted PDU fra gm en t . Th e SAR Su b layer does 17

n ot sen d fra gm en ts of a n oth er regu la r PDU to t h e MAC Su bla yer for 18

t ra n s m iss ion before a ll fra gm en ts of th e cu rren t regu la r PDU h a ve been sen t to 19

th e MAC Su bla yer. 20

• If th e SAR Su bla yer h a s n oth in g (m ore) to t ra n s m it bu t con tin u es to receive th e 21

MAC-Availability.Indication p r im itive, it replies by in vok in g th e MAC-Data.Requ es t 22

prim it ive with th e len gth in dica tor s et to zero. 23

Recep tion p rocedu res a re s im ila r on both th e f-ds ch a n d r -dsch . Recept ion on th e f-ds ch 24

by th e m obile s ta tion is expla in ed h ere, a s a n exam ple. 25

• Th e SAR Su b layer receives th e en ca psu la ted PDU fra gm en t a n d th e pa ra m eter lis t 26

from th e MAC Su b layer via th e MAC-Data.Indication p r im it ive, with in form a t ion 27

wh ich iden t ifies it a s a m in i PDU or a fra gm en t of a regu la r PDU. Ea ch 28

en ca ps u la ted PDU fra gm en t is t im es ta m ped with th e s ys tem tim e correspon d in g to 29

th e fra m e th a t ca rr ied it . Th e MCSB is gen era ted . 30

– For en ca psu la ted PDU fra gm en t s of a regu la r PDU, th e firs t fra gm en t is 31

iden t ified (via th e SOM b it or th e SI field ) a n d th e PDU ca ps u le len gth is 32

determ in ed . All s u bs equ en t ly received fra gm en ts a re con ca ten a ted u p to th e 33

expected len gth or u n t il a n ew firs t fra gm en t (corres pon din g to a regu la r PDU or 34

m in i PDU) is received a n d res ta rts th e rea s sem bly p rocedu re. Th e SOM or th e 35

SI b its a re d isca rded . Th e CRC is ch ecked a gain s t th e received da ta a n d if th e 36

ch eck fa ils , a ll of th e received da ta (en ca psu la ted PDU fra gm en t s a n d th e 37

a s s ocia ted SAR pa ra m eters ) a re d is ca rded ; oth erwis e, on ly th e len gth a n d CRC 38

pa ra m eters a re d is ca rded a n d th e rem a in in g PDU is p res en ted to th e Utility 39

Su bla yer. 40

– An en ca psu la ted PDU fra gm en t corres pon din g to a m in i PDU is p res en ted to th e 41

Utility Su b layer with ou t a dd ition a l p rocess in g. 42

YD/ T 1838 .3 -2008

1 -35

• Th e Utility Su b la yer m a ps th e MSG_TYPE to a MSG_TAG. 1

• Th e rem a in der of th e PDU a n d th e MCSB a re p resen ted to th e ARQ Su b layer for 2

proces s in g. Th e ARQ fields a re rem oved from th e PDU. 3

• Th e resu lt in g SDU is th en s en t to Layer 3 via th e SAP with th e corres pon d in g MCSB, 4

u s in g th e L2-Data.Indication p r im itive. 5

1 .2 .6 ARQ Model 6

With in both th e ba s e s ta t ion a n d th e m obile s ta t ion , th e ARQ Su bla yer for ea ch logica l 7

ch a n n el is viewed a s s p lit between a t ra n s m itter s ide a n d a receiver s ide (s ee Figu re 8

1 .2 .6 -1 ). Th e two s ides s ign a l on e a n oth er, with th e receiver s ide typ ically n ot ifyin g th e 9

t ra n s m it ter s ide of th e recep t ion of a n a ckn owledgm en t or of a PDU requ irin g 10

a ckn owledgm en t . In a ddit ion to th e PDUs t ra n s ported between s u bla yers , th e two s ides 11

ca n t ra n s port s ign a lin g with oth er s u b layers a n d with s u pervisory a n d con figu ra tion 12

m a n a gem en t en tities . 13

Transmitter side Receiver side

Signaling SDU/PDU

14

Figu re 1 .2 .6 -1 . ARQ Model 15

16

With res pect to ARQ, th e LAC Su b layer p rovides two m a jor types of s ervice to La yer 3 : 17

YD/ T 1838 .3 -2008

1 -36

• As su red Delivery Service. PDUs s en t in a s su red m ode on a logica l ch an n el a re 1

repea ted a u ton om ou s ly s evera l t im es a t fixed in terva ls u n t il a n a ckn owledgem en t 2

from th e LAC Su bla yer of th e receivin g s ta tion is received by th e LAC Su b layer of 3

th e t ra n s m it t in g s ta t ion . If n o s u ch a ckn owledgem en t is received a fter a s pecific 4

n u m ber of ret ra n s m is s ion s , th e logica l ch a n n el is d ropped . Wh en requ es t in g a PDU 5

t ra n s fer in a s su red m ode, La yer 3 m a y a ls o requ es t a con firm at ion of delivery from 6

th e LAC Su b la yer. In s u ch ca ses , th e LAC Su bla yer in th e t ra n s m it tin g s ta t ion 7

n otifies La yer 3 im m edia tely (for exa m ple, by u s in g th e L2-Data.Confirm p r im itive) 8

u pon receivin g th e LAC a ckn owledgm en t from th e receivin g s ta t ion LAC Su bla yer. 9

Su ch n otifica tion s ca n be u sed by La yer 3 to order a n d s eria lize th e delivery of 10

m es s a ges . 11

• Un a ss u red Delivery Service. PDUs sen t in u n a s su red m ode a re n ot a ckn owledged 12

by th e LAC Su b layer of th e receivin g s ta tion , a n d th u s th ere is n o gu a ra n tee th a t 13

th ey were a ctu a lly received . Wh en requ es tin g a PDU tra n s fer in u n a s su red m ode, 14

La yer 3 m a y a ls o requ es t th e LAC Su bla yer to in crea s e th e p roba b ility of delivery of 15

th e PDU (for exa m ple, by h a vin g th e PDU s en t m u lt iple tim es in ra p id s u cces s ion 16

a n d relyin g on th e du p lica te detect ion ca pa bilities of th e receiver to a ch ieve u n iqu e 17

delivery). 18

Wh en requ es tin g t ra n s m is s ion of a La yer 3 PDU, La yer 3 typ ically s pecifies wh eth er th e 19

t ra n s fer is to be perform ed in a s s u red m ode (with or with ou t con firm a t ion of delivery) or in 20

u n a ss u red m ode (for exa m ple, by s et t in g th e p roper pa ra m eters in th e MCSB a rgu m en t of 21

th e L2-Data.Reques t p r im it ive). 22

La yer 3 ca n a ls o requ es t th e LAC Su b la yer to perfor m a res et of th e LAC ARQ procedu res 23

(for exa m ple, by u s in g th e L2-Su pervis ion.Requ est p r im it ive). 24

YD/ T 1838 .3 -2008

2 -1

2 MOBILE STATION REQUIREMENTS 1

Wh en opera t in g on com m on ch a n n els , th e m obile s ta t ion s h all m eet th e requ irem en ts 2

s pecified in 2 .1 . Wh en opera t in g on dedica ted ch a n n els th e m obile s ta t ion s h all m eet th e 3

requ irem en ts s pecified in 2 .2 . 4

2 .1 Common Channel Operation 5

Th e m obile s ta tion s h a ll m eet th e requ irem en ts s pecified in 2 .1 .1 for opera t ion on th e 6

r-cs ch a n d in 2 .1 .2 for opera tion on th e f-cs ch . 7

2 .1 .1 Tra n s m is s ion on r-cs ch 8

Th e m obile s ta tion sh a ll m eet th e requ irem en ts s pecified in 2 .1 .1 .1 .2 , 2 .1 .1 .2 .2 , 2 .1 .1 .3 .2 , 9

2 .1 .1 .4 .2 a n d 2 .1 .1 .5 .2 . 10

2 .1 .1 .1 Au th en tica tion Su b layer 11

2 .1 .1 .1 .1 Pa ra m eters 12

Th e m obile s ta t ion sh a ll u se th e a u th en t ica t ion fields defin ed in 2 .1 .1 .1 .1 .1 for PDUs 13

t ra n s m it ted on th e r -cs ch . Th e m obile s ta tion s h a ll s et th e a u th en t ica t ion fields a ccord in g 14

to th e requ irem en ts specified in 2 .1 .1 .1 .1 .2 . 15

2 .1 .1 .1 .1 .1 Defin ition of th e Au th en tica tion Fields 16

Th e a u th en t ica t ion fields for PDUs t ra n s m it ted on t h e r-cs ch h a ve th e followin g form a t : 17

18

Field Length (bits )

AUTH_MODE 2

AUTHR 0 or 18

RANDC 0 or 8

COUNT 0 or 6

19

AUTH_MODE – Au th en tica t ion m ode. 20

Th is field in dica tes wh eth er oth er a u th en tica tion fields a re 21

pres en t in th e PDU. Th e field is set to „00‟ if n o oth er 22

a u th en tica tion fields a re p res en t , or to „01‟ if th e 23

a u th en tica tion fields below a re in clu ded in th e PDU. All oth er 24

va lu es a re res erved . 25

AUTHR – Au th en tica t ion Res pon s e. 26

If AUTH_MODE is „01‟, th is field is th e respon s e ou tpu t of th e 27

a u th en tica tion a lgorith m . It is u s ed , for exa m ple, to va lida te 28

m obile s ta tion regis t ra t ion s , origin a tion s , a n d term in a t ion s . If 29

AUTH_MODE is „00‟, th e field is om it ted . 30

YD/ T 1838 .3 -2008

2 -2

RANDC – Ra n dom ch a llen ge va lu e. 1

If AUTH_MODE is „01‟, th is field is s et to th e eigh t m os t 2

s ign ifica n t bits of th e 32 -bit Ra n dom Ch a llen ge h eld in th e 3

m obile s ta tion . It is u s ed , in con ju n ction with SSD_A a n d 4

oth er pa ra m eters , to va lida te m obile s ta t ion origin a t ion s , 5

term in a tion s a n d regis t ra tion s . If AUTH_MODE is „00‟, th e 6

field is om it ted . 7

COUNT – Ca ll h is tory pa ra m eter . 8

If AUTH_MODE is „01‟, th is field is s et to th e Call His tory 9

Pa ra m eter , a m odu lo-64 even t cou n ter m a in ta in ed by th e 10

m obile s ta tion a n d Au th en t ica t ion Cen ter th at is u s ed for 11

clon e detect ion . If AUTH_MODE is „00‟, t h e field is om it ted . 12

2 .1 .1 .1 .1 .2 Requ irem en ts for Set tin g th e Au th en tica t ion Fields 13

Th e m obile s ta t ion s h a ll s et th e a u th en t ica t ion fields a s follows : 14

• If th e PDU ca rries a n Order Mes s age , Au th en t icat ion Ch allen ge Respon s e Mes s age , 15

S tatu s Respon s e Mes s age or a n Ex ten ded S tatu s Res pon se Mes s age , th e m obile 16

s ta t ion sh a ll s et th e AUTH_MODE to „00‟ a n d s h a ll n ot in clu de th e oth er 17

a u th en tica tion fields in th e PDU. 18

• If th e PDU ca rries a n y oth er m ess a ge: 19

– If a u th en t ica t ion in form a t ion is n ot a va ila b le, or if th e ba s e s ta t ion h a s in d ica ted 20

th a t a u th en tica tion is n ot requ ired (AUTHs is s et to „00‟), th e m obile s ta t ion s h a ll 21

s et AUTH_MODE to „00‟ a n d sh a ll n ot in clu de th e oth er a u th en tica tion fields in 22

th e PDU. 23

– Oth erwis e, th e m obile s ta tion s h all: 24

+ Set AUTH_MODE to „01‟. 25

+ Set AUTHR to th e ou tpu t va lu e of th e Au th _Sign atu re p rocedu re execu ted a s 26

s pecified in 2 .1 .1 .1 .2 .2 . 27

+ Set RANDC to th e eigh t m os t s ign ifican t b its of th e s tored valu e of RAND. 28

+ Set COUNT to th e cu rren t va lu e COUNTs -p . 29

2 .1 .1 .1 .2 Procedu res 30

2 .1 .1 .1 .2 .1 Overview of Au th en tica tion Procedu res 31

Au th en tica t ion is th e p rocess by wh ich in form a t ion is exch an ged between a m obile s ta tion 32

a n d a ba s e s ta t ion for th e pu rpos e of con firm in g th e iden t ity of th e m obile s ta t ion . A 33

s u ccess fu l ou tcom e of th e a u th en t ica tion p roces s occu rs on ly wh en it ca n be dem on s tra ted 34

th a t th e m obile s ta tion a n d ba s e s ta t ion pos sess iden tica l sets of s h a red s ecret da ta . 35

Th e a u th en t ica tion a lgorith m s a re des cribed in [8 ]. Th e in terfa ce (in pu t a n d ou tpu t 36

pa ra m eters ) for th e a lgorith m s is described in [9 ]. 37

Th e m obile s ta t ion p rovides th e ba s e s ta tion with th e res pon s e to th e a u th en tica tion 38

a lgorith m , th e 8 m os t s ign ifica n t b its of th e s tored RAND va ria ble a n d th e s tored Ca ll 39

YD/ T 1838 .3 -2008

2 -3

His tory Pa ra m eter . Th e res pon se to th e a u th en tica t ion a lgor ith m is gen era ted by execu t in g 1

th e Au th _Sign a tu re p rocedu re u s in g th e s a m e in pu t pa ra m eters , a s in Figu re 2 .1 .1 .1 .2 .1 -1 . 2

3

RAND32

ESN32

AUTHR18

AUTH_SIGNATURE

Auth_SignatureProcedure

RAND_CHALLENGE ESN

IMSI_S1 or DIGITS24

SSD_A64

AUTH_DATA SSD_AUTH

4

5

Figu re 2 .1 .1 .1 .2 .1–1 . Compu tation of AUTHR for Mobile Station Au thentication 6

7

Th e s tored va lu es for th e ra n dom ch a llen ge (RAND), elect ron ic s eria l n u m ber (ESN), a n d 8

s h a red s ecret da ta (SSD_A) a re u s ed for a ll PDUs . Th e s et t in g for th e AUTH_DATA field 9

(IMSI_S1 or DIGITS) depen ds u pon th e n a tu re of th e SDU bein g ca rried by th e PDU. La yer 10

3 p rovides a n in d ica t ion of th e va lu e to be u s ed , as s h own in Ta ble 2 .1 .1 .1 .2 .1 -1 . 11

12

YD/ T 1838 .3 -2008

2 -4

Table 2 .1 .1 .1 .2 .1 -1 . Au th_Signatu re Inpu t Parameters 1

Mess age Name AUTH_DATA SAVE_

REGISTERS

Regis trat ion

Mess age

IMSI_S1 See below

Origin ation

Mess age

Digits TRUE

Page Res pon s e

Mess age

IMSI_S1 TRUE

Data B u rs t Mess age Digits FALSE

TMS I As s ign m en t

Com plet ion

Mess age

IMSI_S1 FALSE

PACA Can cel

Mess age

IMSI_S1 FALSE

Device In form ation

Mess age

IMSI_S1 FALSE

S ecu rity Mode

Requ es t Mes s age

IMSI_S1 FALSE

2

2 .1 .1 .1 .2 .2 Requ irem en ts for Au th en t ica t ion Procedu res 3

Th e m obile s ta t ion sh a ll perform th e Au th _Sign a tu re a u th en t ica t ion p rocedu res wh en 4

AUTHs is s et to „01‟ (s tan da rd a u th en tica tion m ode). 5

For a u th en tica tion pu rposes , th e m obile s ta tion s h a ll u se IMSI_M if it is so p rogra m m ed; 6

oth erwis e, th e m obile s ta tion s h all u s e IMSI_T.5 7

Th e m obile s ta t ion sh a ll s et th e in pu t pa ra m eters of th e Au th _Sign a tu re p rocedu re (see 8

Section 2 .3 of [9]) a s illu s t r a ted in Figu re 2 .1 .1 .1 .2 .1 –1 : 9

• RAND_CHALLENGE sh a ll be s et to th e 32 -b it s tored va lu e of RAND. 10

• ESN s h all be set to th e 32 -bit elect ron ic s eria l n u m ber of th e m obile s ta t ion . 11

• SSD_AUTH s h all be set to th e 64 -b it cu rren t valu e of SSD_A. 12

• AUTH_DATA a n d SAVE_REGISTERS sh a ll be s et a s follows : 13

5 Th e ba se s ta tion u s es th e IMSI selected a ccord in g to th e sa m e cr iter ia .

YD/ T 1838 .3 -2008

2 -5

– If th e PDU ca rries a TMS I As s ign m en t Com plet ion Mes s age , PACA Can cel 1

Mess age , Device In form ation Mes s age or S ecu rity Mode Requ es t Mess age (s ee 2

Ta ble 2 .1 .1 .1 .2 .1 -1 ), th e m obile s ta tion s h all set AUTH_DATA to th e 24 -bit 3

IMSI_S1 a n d s h all set th e SAVE_REGISTERS in pu t pa ra m eter to FALSE. 4

– If th e PDU ca rries a Regis trat ion Mes s age , th e m obile s ta t ion sh a ll s et 5

AUTH_DATA to th e 24 -bit IMSI_S1 . If P_REV_IN_USEs is les s th a n or equ al to 6 , 6

th e m obile s ta t ion s h a ll s et th e SAVE_REGISTERS in pu t pa ra m eter to FALSE; 7

oth erwis e, th e m obile s ta tion s h all set th e SAVE_REGISTERS in pu t pa ra m eter to 8

TRUE. 9

– If th e PDU ca rries a n Origin at ion Mess age (s ee Tab le 2 .1 .1 .1 .2 .1 -1 ), th e m obile 10

s ta t ion sh a ll s et AUTH_DATA to th e 24 -b it qu a n tity ba s ed u pon th e dia led d igits 11

a s follows : th e AUTH_DATA in pu t pa ra m eter s h a ll in clu de th e la s t s ix d igits 12

con ta in ed in th e CHARi fields of th e Origin at ion Mess age , en coded a s follows : If 13

a CHARi field rep res en ts on e of th e d igits 0 -9 , *, or # , th e d igit sh a ll be en coded 14

a ccordin g to Ta b le 2 .1 .1 .1 .2 .2 -1 . If th e CHARi field rep res en ts a n y oth er 15

ch a ra cter , th e CHARi field s h a ll be con verted to its decim al equ iva len t (t rea ted 16

a s a n u n s ign ed bin a ry n u m ber), a n d th e d igit s h all be th e leas t s ign ifican t 17

decim al d igit of th e decim a l equ ivalen t , en coded accordin g to Ta ble 2 .1 .1 .1 .2 .2 -1 . 18

If fewer th a n s ix d igits a re in clu ded in th e Origin at ion Mes s age , th e m os t 19

s ign ifica n t bits of IMSI_S1 s h a ll be u s ed to rep la ce th e m iss in g digits . Th e exa ct 20

procedu re is th a t IMSI_S1 is u sed to in it ia lly fill th e AUTH_DATA in pu t 21

pa ra m eter , a n d th en th e la s t d ia led digits in clu ded in th e Origin at ion Mess age 22

a re u s ed to rep la ce a ll or pa rt of th is in it ia l va lu e. If a fu ll 6 d igits a re d ia led a n d 23

in clu ded in th e Origin at ion Mess age , th e firs t d igit of th e 6 th a t were in clu ded is 24

u s ed a s th e m os t s ign ifican t 4 b its of AUTH_DATA, th e s econ d digit is th e n ext 25

less -s ign ifica n t 4 b its of AUTH_DATA, a n d s o forth . If fewer th a n 6 d igits a re 26

in clu ded in th e Origin at ion Mess age , th en th e leas t s ign ifica n t 4 b its of 27

AUTH_DATA a re th e la s t in clu ded d ia led d igit , th e s econ d -la s t dia led digit 28

becom es th e n ext m ore-s ign ifican t 4 b its of AUTH_DATA, a n d so on u p to th e 29

firs t of th e d ia led digits . Th e m obile s ta t ion s h all s et th e SAVE_REGISTERS 30

in pu t pa ra m eter to TRUE. 31

– If th e PDU ca rries a Page Res pon s e Mes s age (see Ta b le 2 .1 .1 .1 .2 .1 -1 ), th e m obile 32

s ta t ion sh a ll s et AUTH_DATA to th e 24 -b it IMSI_S1 a n d s h a ll s et th e 33

SAVE_REGISTERS in pu t pa ra m eter to TRUE. 34

– If th e PDU ca rries a Data B u rs t Mes s age (see Ta ble 2 .1 .1 .1 .2 .1 -1 ), th e m obile 35

s ta t ion sh a ll s et AUTH_DATA to th e 24 -b it qu a n tity a s follows : Th e AUTH_DATA 36

in pu t is gen era ted by firs t fillin g th e AUTH_DATA pa ra m eter with th e 24 b its of 37

IMSI_S1 a n d th en rep lacin g pa rt or a ll of th e p re -filled va lu e with u p to s ix 4 -bit 38

d igits th a t a re p rovided by th e p rocedu re (a ccord in g to BURST_TYPE) requ es t in g 39

th e Data Bu rs t Mes s age . Specifically, th e m obile s ta t ion sh a ll gen era te th e 40

AUTH_DATA in pu t a s follows : 41

1 . Let AUTH_DATA = IMSI_S1 . 42

YD/ T 1838 .3 -2008

2 -6

2 . Th e requ es tin g p roced u re sh a ll s u pp ly a s equ en ce of d igits th a t is 0 to 6 1

d igits in len gth . Ea ch d igit sh a ll be rep res en ted a s a 4 -b it b in a ry va lu e, 2

en coded a ccordin g to Ta ble 2 .1 .1 .1 .2 .2 -1 . 3

3 . Th e lea s t s ign ifican t d igit in th e s equ en ce sh a ll rep la ce th e leas t s ign ifican t 4

fou r b its of AUTH_DATA, th e n ext-leas t s ign ifican t d igit in th e s equ en ce sh a ll 5

rep la ce th e n ext-leas t s ign ifican t fou r b its of AUTH_DATA, a n d so on , u n til 6

a ll of th e s u pp lied d igits in th e sequ en ce h a ve been in corpora ted in to th e 7

va lu e of AUTH_DATA. 8

Th e m obile s ta t ion s h a ll s et th e SAVE_REGISTERS in pu t pa ra m eter to FALSE. 9

Th e m obile s ta t ion sh a ll s et th e Au th en tica tion fields of th e PDU to be t ra n s m it ted a s 10

s pecified in 2 .1 .1 .1 .1 .2 . 11

12

Table 2 .1 .1 .1 .2 .2 -1 . Repres entation of Digits 13

Digit Code (binary) Digit Code (binary)

1 0001 7 0111

2 0010 8 1000

3 0011 9 1001

4 0100 0 1010

5 0101 * 1011

6 0110 # 1100

All oth er codes a re res erved .

14

2 .1 .1 .2 ARQ Su b layer 15

2 .1 .1 .2 .1 Pa ra m eters 16

Th e m obile s ta t ion sh a ll u s e th e ARQ fields defin ed in 2 .1 .1 .2 .1 .1 for PDUs t ra n s m itted on 17

th e r -cs ch . Th e m obile s ta tion sh a ll s et th e ARQ fields a ccordin g to th e requ irem en ts 18

s pecified in 2 .1 .1 .2 .1 .2 . 19

2 .1 .1 .2 .1 .1 Defin ition of th e ARQ Fields 20

Th e ARQ fields for PDUs t ra n s m it ted on th e r -cs ch h a ve th e followin g form a t : 21

22

YD/ T 1838 .3 -2008

2 -7


ACK_SEQ 3

MSG_SEQ 3

ACK_REQ 1

VALID_ACK 1

ACK_TYPE 3

1

ACK_SEQ - Ackn owledgm en t sequ en ce n u m ber. 2

Th is field con ta in s th e va lu e of th e MSG_SEQ field of a PDU 3

received on th e f-cs ch th a t is bein g a ckn owledged on th e 4

r-cs ch . 5

MSG_SEQ - Mess a ge sequ en ce n u m ber. 6

Th is field con ta in s th e m es s a ge s equ en ce n u m ber for th e PDU 7

to be s en t on th e r -cs ch . 8

ACK_REQ - Ackn owledgm en t requ ired in d ica tor . 9

Th is field in dica tes wh eth er th e PDU bein g s en t on th e r -cs ch 10

requ ires a n a ckn owledgm en t from th e ba s e s ta tion . Th e 11

ACK_REQ field is set to „1 ‟ for a ll PDUs sen t on th e r -cs ch . 12

VALID_ACK - Va lid a ckn owledgm en t in d ica tor . 13

Th is field is s et to „1 ‟ wh en th e PDU bein g sen t on th e r -csch 14

in clu des a n a ckn owledgem en t for a PDU received on th e 15

f-cs ch ; oth erwis e, th e field is s et to „0 ‟. 16

ACK_TYPE - Ackn owledgm en t a ddress type. 17

Th is field is s et a s des cribed in 2 .1 .1 .2 .1 .2 18

2 .1 .1 .2 .1 .2 Requ irem en ts for Set tin g th e ARQ Fields 19

Th e m obile s ta t ion s h a ll s et th e ACK_REQ field to „1 ‟. 20

Th e m obile s ta t ion sh a ll s et th e MSG_SEQ field a ccordin g to th e followin g p rocedu re. Th e 21

m obile s ta tion s h all gen era te a s in gle s et of MSG_SEQ n u m bers for a PDU s en t on th e 22

r-cs ch . Th e m obile s ta t ion sh a ll s et th e MSG_SEQ field to „000‟ in th e firs t PDU s en t on th e 23

r-cs ch a fter p owerin g u p . Th e m obile s ta tion m a y s et th e MSG_SEQ field to „000‟ in th e 24

firs t PDU s en t on th e r -cs ch a fter a t ra n s it ion from a n a log m ode to CDMA-bas ed t ru n k in g 25

m ode, or from a n oth er CDMA-ba sed t ru n k in g ba n d cla ss . If th e ARQ Su b layer su pports 26

s u pervisory con trol (s ee 2 .1 .1 .2 .2 ) a n d receives a s u pervisory d irect ive to perform a res et 27

opera t ion , th e m obile s ta tion m a y s et th e MSG_SEQ field to „000‟ in th e firs t PDU s en t on 28

th e r -cs ch a fter th e execu t ion of th e res et operat ion . Th e m obile s ta t ion s h all in c rem en t 29

MSG_SEQ, m odu lo 8 , for ea ch n ew acces s a t tem pt (see 2 .1 .1 .2 .2 .1 ), rega rd les s of th e 30

con ten t of th e n ew PDU. 31

Wh en s en d in g a PDU th a t in clu des a n a ckn owledgm en t for a PDU oth er th an a Gen eral 32

Page Mes s age or a Un ivers al Page Mes s age : 33

YD/ T 1838 .3 -2008

2 -8

• Th e m obile s ta t ion s h a ll s et th e VALID_ACK field to „1 ‟, 1

• Th e m obile s ta t ion s h a ll s et th e ACK_SEQ field to th e MSG_SEQ field of th e PDU 2

received on th e f-cs ch a n d bein g a ckn owledged , an d 3

• Th e m obile s ta t ion s h a ll s et th e ACK_TYPE field to th e ADDR_TYPE field of th e PD U 4

received on th e f-cs ch a n d bein g a ckn owledged . 5

Wh en sen din g a PDU th a t in clu des a n a ckn owledgm en t of a Gen eral Page Mes s age or a 6

Un ivers al Page Mes s age : 7

• Th e m obile s ta t ion s h a ll s et th e VALID_ACK field to „1 ‟, 8

• Th e m obile s ta t ion s h a ll s et th e ACK_SEQ field equ a l to th e MSG_SEQ field of th e 9

record a ddres sed to th e m obile s ta t ion , a n d 10

• Th e m obile s ta t ion s h a ll s et th e ACK_TYPE field accordin g to th e PAGE_CLASS field 11

of th e record a ddres s ed to th e m obile s ta t ion a s follows : 12

– If th e PAGE_CLASS is equ al to „00‟ or „01‟, th e m obile s ta t ion sh a ll s et th e 13

ACK_TYPE field to „010‟. 14

– If th e PAGE_CLASS is equ al to „10‟, th e m obile s ta t ion s h all set th e ACK_TYPE 15

field to „011‟. 16

Wh en sen din g a PDU th a t does n ot in clu de a n a ckn owledgm en t : 17

• Th e m obile s ta t ion s h a ll s et th e VALID_ACK field to „0 ‟, a n d 18

• Th e m obile s ta t ion s h a ll s et th e ACK_TYPE a n d ACK_SEQ fields a s follows : 19

– If th e la s t PDU received on th e f-csch a ddress in g th e m obile s ta t ion a n d 20

requ ir in g a ckn owledgm en t was n ot a Gen eral Page Mess age or a Un ivers al Page 21

Mess age , th e m obile s ta t ion sh a ll s et th e ACK_TYPE a n d ACK_SEQ fields equ a l 22

to th e ADDR_TYPE a n d MSG_SEQ fields , res pectively, of th a t PDU. 23

– If th e la s t PDU received on th e f-csch a ddress in g th e m obile s ta t ion a n d 24

requ ir in g a ckn owledgm en t was a Gen eral Page Mes s age or a Un ivers al Page 25

Mess age , th e m obile s ta t ion sh a ll: 26

+ Set th e ACK_SEQ field equ a l to th e MSG_SEQ field of th e record of th e 27

Gen eral Page Mess age or th e Un ivers al Page Mes sage a ddres sed to th e 28

m obile s ta tion , a n d 29

+ Set th e ACK_TYPE field a ccord in g to th e PAGE_CLASS field of th e record of 30

th e Gen eral Page Mes s age or th e Un ivers al Page Mess age a ddres s ed to th e 31

m obile s ta tion a s follows : 32

ο If th e PAGE_CLASS is equ al to „00‟ or „01‟, th e m obile s ta t ion sh a ll s et th e 33


ο If th e PAGE_CLASS is equ al to „10‟, th e m obile s ta t ion s h all set th e 35


YD/ T 1838 .3 -2008

2 -9

– If n o PDU h a s been received a ddres s in g th e m obile s ta t ion a n d requ ir in g 1

a ckn owledgm en t s in ce th e m obile s ta t ion las t s ta rted m on itorin g th e f-cs ch , th e 2

m obile s ta tion s h all set th e ACK_TYPE field to „000‟ a n d s h a ll s et th e ACK_SEQ 3

field to „111‟. 4

2 .1 .1 .2 .2 Procedu res 5

2 .1 .1 .2 .2 .1 Overview of Tra n s m is s ion a n d Retra n sm is s ion Procedu res 6

Th e en t ire p roces s of a t tem ptin g to s en d (or a ctu a lly s en d in g) on e PDU on th e r -cs ch a n d 7

receivin g (or fa ilin g to receive) an in dica t ion th a t a n a ckn owledgm en t for th a t PDU wa s 8

received on th e f-cs ch is ca lled a n a cces s a t tem pt . In gen era l, a n a cces s a t tem pt m ay 9

con s is t of on e t ra n s m is s ion a n d s evera l ret ra n sm is s ion s of th e s a m e PDU. If th e Acces s 10

Ch a n n el or th e En h a n ced Access Ch a n n el opera t in g in Ba s ic Acces s Mode (s ee [3]) a re u s ed , 11

ea ch t ra n s m is s ion is ca lled a n a ccess p robe a n d con tain s th e PDU bein g t ra n s m it ted (or 12

ret ra n s m it ted ). If th e En h an ced Access Ch an n el opera t in g in Res erva t ion Access Mode (s ee 13

[3 ]) is u s ed , ea ch t ra n s m is s ion on th e En h a n ced Acces s Ch a n n el is ca lled an a cces s p robe 14

a n d con ta in s ju s t overh ea d in form a t ion (“h ea der”, s ee [3 ]) a s socia ted with th e PDU to be 15

t ra n s m it ted ; in th is cas e, th e PDU itself is t ra n s m it ted on th e Revers e Com m on Con trol 16

Ch a n n el. 17

Wh en th e m obile s ta t ion s tops t ra n s m it tin g a ccess p robes of a n a cces s a t tem pt to on e ba s e 18

s ta t ion a n d begin s t ra n s m it tin g a cces s p robes of th e s a m e a cces s a t tem pt to a n oth er ba s e 19

s ta t ion , th e m obile s ta t ion is s a id to perform a n a cces s p robe h a n doff. Th e port ion of a n 20

a ccess a t tem pt th a t begin s wh en th e m obile s ta t ion s ta rts t ra n s m itt in g th e firs t a ccess 21

probe to on e ba s e s ta t ion a n d en ds wh en th e m obile s ta t ion eith er perform s a n a cces s 22

probe h a n doff or term in a tes th e a cces s a t tem pt is ca lled a n a cces s su b -a ttem pt . On e 23

a ccess a t tem pt con s is ts of on e or m ore a ccess su b -a t tem pts . In th e a bs en ce of a n a cces s 24

probe h an doff, a n a cces s a ttem pt h a s on ly on e s u b -a t tem pt . With in a n a ccess su b -a t tem pt , 25

a ccess p robes a re grou ped in to acces s p robe sequ en ces . Ea ch acces s p robe sequ en ce 26

con s is ts of u p to 1 + NUM_STEPs a cces s p robes . With ea ch t ra n s m is s ion a n d 27

ret ra n s m iss ion requ es t to th e la yers below, th e LAC Su bla yer p rovides th e sequ en ce 28

n u m ber of th e cu rren t a cces s p robe with in th e cu rren t a ccess s u b -a t tem pt . 29

Th e ARQ Su bla yer is n otified a fter ea ch a cces s p robe h a n doff to s ta rt a n ew a cces s su b -30

a t tem pt , if n eces s a ry. 31

Th e ARQ Su b la yer receives in form a t ion from La yer 3 on th e gen era l type of th e SDU 32

(“res pon s e”, “requ es t”, “regis t ra t ion ”, etc.). Ba s ed u pon th is in form a t ion a n d th e a cces s 33

in form a t ion for th e cu rren t ba s e s ta t ion , th e ARQ Su b la yer com pu tes a th res h old va lu e P 34

wh ich is to be u s ed by th e MAC Su bla yer to in t rodu ce a pers is ten ce dela y before ea ch 35

a ccess p robe sequ en ce in th e su b -a t tem pt (see [3]). 36

Th e exa ct tim in g of th e s ta rt of ea ch a cces s p robe m a y be s u b ject to delays in t rodu ced 37

u n der s u pervisory con trol. Th e exa ct t im in g between a cces s p robes of a n a cces s p robe 38

s equ en ce is determ in ed a t th e MAC Su b layer. An in d ica tion is p rovided by th e SAR 39

Su bla yer to th e ARQ Su b layer im m edia tely a fter ea ch t ra n s m is s ion of th e la s t en ca psu la ted 40

YD/ T 1838 .3 -2008

2 -10

PDU fra gm en t . After ea ch su ch in d ica t ion , th e ARQ Su b layer wa its a s pecified period , TA = 1

(2 + ACH_ACC_TMOs ) 80 m s (wh en opera t in g on th e Acces s Ch an n el), 6 or TA = (1 + 2

EACH_ACC_TMOs ) 20 m s (wh en opera tin g on th e En h a n ced Access Ch a n n el), 7 to get a n 3

in dica tion th a t a n a ckn owledgm en t from th e ba s e s ta tion was received on th e f-cs ch . If 4

s u ch a n a ckn owledgm en t is received , th e a cces s a t tem pt en ds . Th e a cces s a t tem pt m a y 5

a ls o en d if s u pervisory con trol is s u pported a n d th e ARQ Su b layer is exp licit ly d irected by 6

La yer 3 to ca n cel th e a cces s a t tem pt or to res et . 7

Th e m obile s ta t ion ARQ Su bla yer on th e t ra n s m it ter s ide in tera cts with th e la yers a bove it 8

in th e p rotocol s ta ck , th e layers below it in th e p rotocol s ta ck , th e m obile s ta t ion ARQ 9

Su bla yer on th e receiver s ide, a n d with en t ities th a t m a y exercis e su pervisory con trol. 10

Wh en in tera ct in g with th e Upper La yers in th e p rotocol s tack , th e ARQ Su bla yer m a y 11

receive th e followin g: 12

• A requ es t -type SDU to be t ra n s m it ted a n d its s u btype (e.g., regis t ra tion ). In s u ch 13

ca s es , th e ARQ Su b layer does n ot in clu de a n a ckn owledgm en t with in th e PDU to be 14


• A res pon se-type SDU to be t ra n s m it ted , it s su b type (e.g., regis t ra t ion ), iden t ifyin g 16

in form a t ion to a llow th e pair in g of th e m es s a ge to be t ra n s m it ted with th e received 17

m es s a ge to wh ich it is rep lyin g, a n d pos s ib le in form a t ion on h ow th e ACK_TYPE 18

s h ou ld be s et in th e rep ly PDU. In s u ch ca s es , th e ARQ Su b la yer on th e t ra n s m it ter 19

s ide in clu des a n a ckn owledgm en t in th e PDU, if th e ARQ Su bla yer on th e receiver 20

s ide in dica tes th a t a n a ckn owledgm en t is requ ired . 21

• An in dica t ion th a t n o res pon se SDU is ou ts tan d in g. In s u ch cas es , th e ARQ 22

Su bla yer on th e t ra n s m itter s ide m a y gen era te a n a ckn owledgm en t -on ly PDU,8 if 23

th e ARQ Su bla yer on th e receiver s ide in d ica tes th a t a n a ckn owledgm en t i s requ ired . 24

Wh en a n SDU is received from th e Upper La yers for t ra n s m is s ion , th e Upper La yers m a y 25

requ es t a con firm a t ion of delivery. Th is requ es t , togeth er with th e MSG_SEQ a ss ign ed to 26

th e PDU ca rryin g th e SDU, is pa ss ed to th e ARQ Su bla yer on th e receive r s ide. 27

Wh en in tera ct in g with th e Upper La yers in th e p rotocol s ta ck , th e ARQ Su bla yer s en ds th e 28

followin g: 29

• Th e SDU ca rried by a PDU received from th e ba se s ta t ion , togeth er with : 30

– a n in dica tion wh eth er or n ot th e PDU requ ires a ckn owledgm en t , a n d 31

6 Ba sed u p on th e p oss ib le va lu es for ACH_ACC_TMOs , TA ca n b e va lu ed between 160 m s a n d 13 60

m s .

7 Ba sed u p on th e p oss ib le va lu es for EACH_ACC_TMOs, TA can b e va lu ed between 2 0 m s an d 128 0

m s .

8 In [11 ], th is ackn owledgm en t -on ly PDU is refer red to as th e Mob ile S tation Ack n owledgem en t Ord er.

YD/ T 1838 .3 -2008

2 -11

– a n in dica tion wh eth er or n ot a n a ccess a t tem pt for a PDU bein g t ra n s m it ted on 1

th e r -csch was term in a ted a s a res u lt of p roces s in g th e ARQ fields of th e 2

received PDU. 3

• An in dica t ion th a t a n a ckn owledgm en t to a m ess a ge h a s been sen t a n d 4

a ckn owledged . 5

Wh en in tera ctin g with th e MAC Su bla yer, th e ARQ Su bla yer s en ds on e or m ore of th e 6

followin g: 7

• An in dica t ion th a t a PDU is rea dy for t ra n s m is s ion . 8

• Th e PDU for t ra n s m is s ion a n d th e sequ en ce n u m ber of th e a cces s p robe with in th e 9

a ccess s u b-a t tem pt . 10

Wh en in tera ct in g with th e MAC Su bla yer, th e ARQ Su bla yer m a y receive on e or m ore of th e 11

followin g: 12

• An in dica t ion th a t th e LAC Su bla yer ca n sen d to th e MAC Su bla yer th e PDU to be 13


• An in dica t ion s pecifyin g th e a cces s m ode to be u sed (Ba s ic Acces s Mode or 15

Res erva tion Access Mode), if th e a cces s is on th e En h a n ced Acces s Ch a n n el. 16

• An in dica t ion th a t th e overh ea d in form a t ion (“h eader”, s ee [3]) corres pon din g to th e 17

PDU wa s n ot a ckn owledged by th e ba se s ta t ion with in th e requ ired tim e in terva l. 18

• An in dica t ion th a t th a t th e t ra n s m is s ion of a PDU wa s a borted . 19

Wh en in tera ctin g with th e SAR Su bla yer, th e ARQ Su bla yer m a y receive a com pletion 20

in dica tion im m edia tely a fter ea ch PDU is t ra n s m itted . 21

Wh en in tera ctin g with th e m obile s ta t ion ARQ Su bla yer on th e receiver s id e, th e m obile 22

s ta t ion ARQ Su bla yer on th e t ra n s m itter s ide is provided with : 23

• An in dica t ion of wh eth er a n a ckn owledgm en t is requ ired . 24

• Iden tifyin g in form a t ion n eces s a ry for in clu din g th e a ckn owledgm en t in th e res pon se 25

PDU. 26

• Th e va lu es th e MSG_SEQ a n d ADDR_TYPE fields (if a va ila ble) of th e PDU bein g 27

a ckn owledged , or of th e m os t recen tly received PDU requ irin g a ckn owledgm en t . 28

• An in dica t ion wh en a n a ckn owledgm en t for a t ra n s m it ted PDU is received . 29

If a n a ckn owledgm en t is requ ired , th e m obile s ta tion ARQ S u b layer on th e t ra n s m it ter s ide 30

in clu des th e ackn owledgm en t in th e p roper PDU a s determ in ed th rou gh th e in tera ction 31

with Upper La yers on th e p rotocol s ta ck . 32

Th e ARQ Su bla yer on th e t ra n s m it ter s ide p rovides th e ARQ Su bla yer on th e receiver s ide 33

with a n in d ica t ion of wh eth er a n a cces s p robe is s t ill in p rogress a fter p roces s in g a n 34

in dica tion from th e ARQ Su bla yer on th e receiver s ide th a t a n a ckn owledgm en t for a 35

t ra n s m it ted PDU wa s received . 36

Wh en in tera ct in g with en tit ies th a t exercis e su pervisory con trol: 37

YD/ T 1838 .3 -2008

2 -12

• Th e ARQ Su bla yer ra is es a TA exp ired in dica t ion wh en th e TA t im er expires , a fter 1

s en din g ea ch a ccess p robe, to a llow a cces s p robe h a n doffs in ca se of in s u fficien cy of 2

th e forwa rd lin k ch a n n els 9 bein g m on itored (s ee 2 .6 .3 .1 .3 .3 of [5 ]). 3

• If th e ARQ Su bla yer is d irected to perform a res et opera t ion , th e ARQ Su bla yer 4

im m edia tely ca n cels th e t ra n s m is s ion s of a ccess p robes a n d res ets th e pool of 5

va lu es for th e MSG_SEQ (s ee 2 .1 .1 .2 .1 .2 ). 6

• If th e ARQ Su bla yer is d irected to perform a can cel opera tion (see 2 .6 .3 .1 .4 of [5 ]), 7

th e ARQ Su bla yer im m edia tely term in a tes th e a cces s a t tem pt . More th a n on e 8

tem pora ry los s of a m on itored con trol ch a n n el du rin g a n a cces s a t tem pt , a s well a s 9

a determ in a tion th a t th e PDU m a y n ot be s u ita ble a fter a n a cces s p robe h an doff 10

(e.g., too la rge for th e n ew t ra n s m iss ion ca ps u le s ize), cou ld ca u se a ca n cella tion . 11

• If th e ARQ Su bla yer is d irected to perform a s u s pen d opera t ion (s ee 2 .6 .3 .1 .3 .3 a n d 12

2 .6 .3 .1 .8 of [5 ]), th e ARQ Su bla yer s tops t ra n s m itt in g a cces s p robes , u n t il 13

in s t ru cted to resu m e th e t ra n s m is s ion s , or u n t il directed to perform a ca n cel or 14

res et opera t ion . Th e rea son s for su s pen din g t ra n s m is s ion m a y be a tem pora ry loss 15

of a m on itored con trol ch a n n el or a n a ccess p robe h a n doff, wh ich m a y resu lt in th e 16

m obile s ta tion h a vin g to wait for overh ea d m ess a ges on th e n ew ba se s ta t ion . 17

• If th e ARQ Su bla yer is d irected to perform a res u m e opera t ion a fter bein g 18

s u spen ded (s ee 2 .6 .3 .1 .8 of [5 ]), th e ARQ Su bla yer does n ot con tin u e th e 19

in terru p ted a ccess p robe sequ en ce if on e wa s in progre ss a t th e t im e of th e 20

s u spen s ion . In s tea d , it res ta rts th e in terru p ted a ccess p robe sequ en ce from th e 21

begin n in g (i.e., with th e firs t a cces s p robe in th e sequ en ce). 22

• If th e ARQ Su bla yer is d irected to perform a res tart opera t ion a fter bein g su s pen ded 23

(s ee 2 .6 .3 .1 .3 .3 of [5 ]), th e ARQ Su bla yer does n ot con tin u e th e in terru pted a cces s 24

probe s equ en ce if on e wa s in p rogress a t th e t im e of th e su s pen s ion . In s tea d , it 25

s ta rts a n ew a cces s su b -a ttem pt a t th e begin n in g of th e firs t a cces s p robe s equ en ce 26

in th e a cces s su b -a t tem pt , u s in g th e m os t cu rren t va lu es of s tored va ria b les (e.g., 27

NUM_STEPs , MAX_REQ_SEQs , MAX_RSP_SEQs , ACH_ACC_TMOs , 28

EACH_ACC_TMOs , PROBE_PN_RANs ). 29

Th e ARQ Su b la yer s ign als a n a ccess a t tem pt fa ilu re to th e Upper La yers (or to th e en t it ies 30

exercis in g s u pervis ory con trol) if th e a cces s a t tem pt con clu des a fter s en d in g a ll of th e 31

requ ired a cces s p robes bu t a PDU a ckn owledgm en t in d ica tion is n ot received . 32

2 .1 .1 .2 .2 .2 Requ irem en ts for Tra n s m is s ion a n d Retra n s m is s ion Procedu res 33

For PDUs requ ir in g a ckn owledgm en t received on th e Pa gin g Ch a n n el, th e m obile s ta t ion 34

s h a ll s en d th e a ckn owledgm en t(s ) on th e Access Ch a n n el. For PDUs requ irin g 35

a ckn owledgm en t received on th e Forwa rd Com m on Con trol Ch a n n el, th e m obile s ta t ion 36

9 Pagin g Ch a n n el, Forwa rd Com m on Con trol Ch a n n el or Com m on Power Con trol Su b -Ch a n n el, a s

a pp licab le.

YD/ T 1838 .3 -2008

2 -13

s h a ll s en d th e a ckn owledgm en t(s ) on th e En h a n ced Access Ch a n n el or th e Reverse 1

Com m on Con trol Ch a n n el. 2

Th e m obile s ta t ion s h a ll com pu te th e pers is ten ce va ria b le P: 3

• If th e type of th e SDU is a res pon s e, P s h a ll be set to „1 ‟. 4

• If th e type of th e SDU is a requ es t a n d a regis t ra t ion , P s h all b e com pu ted by 5

P =

otherwise 0

63 PSIST if 22 s

_/4 ss PSISTREGPSIST

ACCOLCp = 0 , 1 , . .., 9 6

7

P =

otherwise 0

7 PSIST if 22 s

_ ss PSISTREGPSIST

ACCOLCp = 10 , 11 , .. ., 15 8

• If th e type of th e SDU is a requ es t a n d a m es s age t ra n s m iss ion , except in th e ca s e of 9

a n em ergen cy m es s a ge t ra n s m iss ion from a m obile s ta t ion h avin g a n ACCOLCp 10

va lu e between 0 a n d 9 in clu s ive, P s h all be com pu ted by 11

P =

otherwise 0

63 PSIST if 22 s

_/4 ss PSISTMSGPSIST

ACCOLCp = 0 , 1 , . .., 9 12

13

P =

otherwise 0

7 PSIST if 22 s

_ ss PSISTMSGPSIST

ACCOLCp = 10 , 11 , .. ., 15 14

• If th e type of th e SDU is a requ es t for a n em ergen cy ca ll or for a n em ergen cy 15

m es s a ge t ra n s m iss ion , a n d th e m obile s ta t ion h a s a n ACCOLC p valu e between 0 16

a n d 9 in clu s ive, P s h a ll be com pu ted by 17

P =

otherwise 0

7 PSIST_EMG if 2 sEMG_PSIST s

ACCOLCp = 0 , 1 , …, 9 18

• If th e type of th e SDU is a requ es t oth er th an a regis t ra t ion or a m es s a ge 19

t ra n s m iss ion , a n d th e SDU is n ot for a n em ergen cy ca ll or em ergen cy m es s a ge 20

t ra n s m iss ion , P s h all be com pu ted by 21

P =

otherwise 0

63 PSIST if 2 s

/4sPSIST

ACCOLCp = 0 , 1 , . .., 9 22

23

P =

otherwise 0

7 PSIST if 2 ssPSIST

ACCOLCp = 10 , 11 , .. ., 15 24

If P is equ a l to 0 , th e m obile s t a tion sh a ll en d th e a cces s a t tem pt , s h all decla re a n a ccess 25

a t tem pt fa ilu re, a n d s en d a n in dica t ion to La yer 3 th a t th e s ys tem a cces s is den ied . 26

YD/ T 1838 .3 -2008

2 -14

Oth erwis e, th e m obile s ta tion sh a ll t ra n s m it th e a ccess p robe. Deta ils on a cces s p robe 1

t ra n s m iss ion a re given in [3 ]. 2

Wh en th e m obile s ta tion perform s a n a cces s su b -a t tem pt , th e LAC Su b layer s h a ll s en d on e 3

or m ore in d ica t ion s to th e MAC Su b layer th a t a PDU is rea dy for t ra n s m is s ion . If th e a cces s 4

s u b-a t tem pt is a requ es t , th e LAC Su bla yer sh all s en d n o m ore th a n (NUM_STEPs + 1 ) 5

MAX_REQ_SEQs in dica tion s to th e MAC Su b la yer th a t a PDU is rea dy for t ra n s m iss ion , 6

excep t th a t : 7

• Wh en a n a ccess s u b-a t tem pt resu m es , followin g a tem pora ry los s of th e forwa rd 8

lin k ch an n els bein g m on itored , th e n u m ber of PDU-rea dy-for-t ra n s m iss ion 9

in dica tion s con s idered to h ave been s en t to th e MAC Su b layer s in ce th e begin n in g of 10

th e su b -a t tem pt s h all be a dju s ted down to th e clos es t in teger m u lt iple of 11

(NUM_STEPs + 1 ). 12

• Wh en a n a ccess s u b-a t tem pt resu m es on th e En h a n ced Acces s Ch a n n el ope ra t in g 13

in Reserva t ion Acces s Mode, followin g a fa ilu re to receive a n a ckn owledgm en t with in 14

TA s econ ds s in ce th e t ra n s m iss ion of th e PDU, th e n u m ber of PDU-rea dy-for-15

t ra n s m iss ion in dica t ion s con s idered to h a ve been s en t to th e MAC Su b layer s in ce 16

th e begin n in g of th e su b-a t tem pt sh a ll be a d ju s ted u p to th e closes t in teger m u lt iple 17

of (NUM_STEPs + 1 ). 18

If th e a cces s s u b-a t tem pt is a res pon se, th e LAC Su b la yer s h a ll s en d n o m ore th a n 19

(NUM_STEPs + 1 ) MAX_RSP_SEQs in d ica t ion s to th e MAC Su bla yer th a t a PDU is re a dy 20

for t ra n s m is s ion , excep t th a t : 21

• Wh en a n a ccess s u b-a t tem pt resu m es , followin g a tem pora ry los s of th e forwa rd 22

lin k ch an n els bein g m on itored , th e n u m ber of PDU-rea dy-for-t ra n s m iss ion 23

in dica tion s con s idered to h ave been s en t to th e MAC Su b layer s in ce t h e begin n in g of 24

th e su b -a t tem pt s h all be a dju s ted down to th e clos es t in teger m u lt iple of 25

(NUM_STEPs + 1 ). 26

• Wh en a n a ccess s u b-a t tem pt resu m es on th e En h a n ced Acces s Ch a n n el opera t in g 27

in Reserva t ion Acces s Mode, followin g a fa ilu re to receive a n a ckn owled gm en t with in 28

TA s econ ds s in ce th e t ra n s m iss ion of th e PDU, th e n u m ber of PDU–rea dy-for-29

t ra n s m iss ion in dica t ion s con s idered to h a ve been s en t to th e MAC Su b layer s in ce 30

th e begin n in g of th e su b-a t tem pt sh a ll be a d ju s ted u p to th e closes t in teger m u lt iple 31

of (NUM_STEPs + 1 ). 32

At a n y t im e du rin g a n a cces s a t tem pt , th e m obile s ta t ion m a y s top th e cu rren t su b -a t tem pt 33

a n d s ta rt a n oth er su b -a t tem pt to a n ew pilot (i.e. perform a ccess p robe h an doff), su bject to 34

th e res t r ict ion s a n d s pecifica t ion s in [5 ]. 35

Th e m obile s ta t ion m a y term in a te a n a ccess a t tem pt a t a n y t im e. 36

Du rin g ea ch su b -a ttem pt , th e m obile s ta tion sh a ll p roceed a s follows (or equ iva len t): 37

After s en din g a n in dica tion th a t a PDU is rea dy for t ra n s m iss ion , if th e En h a n ced Acces s 38

Ch a n n el is u s ed , th e LAC Su bla yer sh a ll con s ider th e a cces s m ode (Ba s ic Acces s Mode or 39

Res erva tion Access Mode, s ee [3 ]) determ in ed a s s pecified by th e in d ica tion received from 40

th e MAC Su bla yer. 41

YD/ T 1838 .3 -2008

2 -15

If th e Acces s Ch a n n el or th e En h a n ced Access Ch a n n el opera t in g in Ba s ic Acces s Mode is 1

u s ed , th e m obile s ta t ion sh a ll perform th e followin g: 2

• If, a fter s en d in g a n in d ica t ion th a t a PDU is rea dy for t ra n s m is s ion , th e LAC 3

Su bla yer receives a n in d ica t ion from th e MAC Su b la yer to t ra n s m it th e PDU, th e 4

LAC Su b layer s h all t ra n s m it th e PDU. 5

• Im m edia tely u pon com pletin g t ra n s m iss ion of th e PDU, th e m obile s ta t ion sh a ll 6

s ta rt a t im er TA = (2 + ACH_ACC_TMOs ) 80 m s (if th e a cces s wa s on th e Acces s 7

Ch a n n el) or TA = (1 + EACH_ACC_TMOs ) 20 m s (if th e a ccess wa s on th e 8

En h a n ced Acces s Ch a n n el). If a n a ckn owledgm en t is received for th e PDU bein g 9

t ra n s m it ted before th e TA tim er expires , th e m obile s ta t ion sh a ll s top th e TA t im er 10

a n d s h a ll term in a te th e a ccess a t tem pt; oth erwise, wh en th e TA tim er expires , th e 11

m obile s ta tion s h all perform th e followin g: 12

– If fewer th a n th e m a xim u m a llowed (for th e type of th e s u b -a t tem pt) n u m ber of 13

a ccess p robes h a ve been t ra n s m it ted in th e cu rren t a cces s su b -a t tem pt , th e 14

m obile s ta tion s h all t ra n s m it a n oth er a cces s p robe with in th e cu rren t su b -15

a t tem pt; oth erwis e, th e LAC Su b layer s h all term in a te th e a cces s su b -a ttem pt 16

a n d s h a ll s en d a n a cces s fa ilu re in d ica t ion to La yer 3 . 17

If th e En h a n ced Acces s Ch a n n el opera t in g in Reserva t ion Acces s Mode is u sed , th e m obile 18

s ta t ion sh a ll perform th e followin g: 19

• If, a fter s en d in g a n in d ica t ion th a t a PDU is rea dy for t ra n s m is s ion , th e LAC 20

Su bla yer receives a n in d ica t ion from th e MAC Su b la yer th a t th e overh ea d 21

in form a t ion (“h ea der”, s ee [3 ]) corres pon din g to th e PDU wa s n ot a ckn owledged by 22

th e ba s e s ta t ion with in th e requ ired t im e in ter va l, th e m obile s ta t ion sh a ll perform 23

th e followin g: 24

– If fewer th a n th e m a xim u m a llowed (for th e type of th e s u b -a t tem pt) n u m ber of 25

a ccess p robes h a ve been t ra n s m it ted in th e cu rren t a cces s su b -a t tem pt , th e LAC 26

Su bla yer s h a ll s en d a n oth er in d ica t ion to th e MAC Su bla yer th a t a PDU is rea dy 27

for t ra n s m is s ion ; oth erwis e, th e LAC Su bla yer sh a ll term in a te th e a ccess s u b -28

a t tem pt a n d s h all sen d a n a cces s fa ilu re in dica tion to La yer 3 . 29

• If th e LAC Su b layer receives a n in dica tion from th e MAC Su b la yer to t ra n s m it t h e 30

PDU, th e LAC Su bla yer sh a ll t ra n s m it th e PDU. 31

• Im m edia tely u pon com pletin g t ra n s m iss ion of th e PDU th e m obile s ta t ion s h a ll 32

s ta rt a t im er TA = (1 + EACH_ACC_TMOs ) 20 m s . If a n a ckn owledgm en t is received 33

for th e PDU bein g t ra n s m it ted before th e TA tim er exp ires , th e m obile s ta t ion s h a ll 34

s top th e TA t im er a n d s h all term in a te th e a cces s a t tem pt; oth erwise, wh en th e TA 35

t im er expires , th e m obile s ta tion s h all perform on e of th e followin g: 36

YD/ T 1838 .3 -2008

2 -16

– Th e m obile s ta t ion s h a ll con s ider th e n u m ber of PDU rea dy for t ra n s m is s ion 1

in dica tion s s en t to th e MAC Su bla yer in th e cu rren t s u b -a t tem pt to be th e n ext 2

h igh er m u lt ip le of (NUM_STEPs + 1 ). If th is n u m ber is less th a n th e m a xim u m 3

a llowed , th e m obile s ta t ion sh ell sen d to th e MAC Su bla yer a n in dica t ion th a t 4

th e PDU is rea dy for t ra n s m iss ion a n d resu m e th e s u b -a t tem pt; oth erwise, th e 5

LAC Su b layer s h all term in a te th e a cces s su b -a t tem pt a n d s h a ll s en d a n a cces s 6

fa ilu re in dica t ion to La yer 3 . 7

8

If th e m obile s ta tion term in a tes th e a ccess a t tem pt with ou t h a vin g received a n 9

a ckn owledgm en t for th e PDU, th e m obile s ta t ion s h a ll decla re a n a cces s a t tem pt fa ilu re, 10

a n d s en d a n in dica tion to La yer 3 th a t th e s ys tem is los t , excep t wh en th e a cces s a t tem pt 11

term in a tion wa s du e to su pervisory a ction . 12

Th e m obile s ta tion s h a ll n ot a ckn owledge received PDUs on th e f-csch , u n les s requ es ted . 13

Wh en requ es ted (see 2 .1 .2 .1 .2 .1 ), th e m obile s ta t ion s h a ll a ckn owledge PDUs received on 14

th e f-cs ch by perform in g a cces s a t tem pts on th e r -cs ch to s en d PDUs con ta in in g 15

a ckn owledgm en ts . Th e m obile s ta tion sh a ll s et th e a ckn owledgm en t fields (s ee 2 .1 .1 .2 .1 .1 ) 16

of th e PDUs t ra n s m it ted on th e r -cs ch a s des cribed in 2 .1 .1 .2 .1 .2 . 17

If th e t ra n s m is s ion of a n a ckn owledgm en t for a received PDU is requ es ted : 18

• If th e m obile s ta tion eith er h a s or receives a n in dica t ion th a t th e Upper La yer 19

m es s a ge ca rr ied by th e received PDU does n ot h ave a n Upper La yer res pon s e, th e 20

m obile s ta tion s h all gen era te a PDU ca rryin g a n SDU wh ich h as th e followin g form a t 21

(to be s en t a s a n Order Mes s age):10 22

23


ORDER = „010000 ‟ 6

ADD_RECORD_LEN = „000‟ 3

24

a n d s h a ll in clu de th e a ckn owledgm en t in th e gen era ted PDU. 25

• Oth erwis e, th e m obile s ta tion s h all in clu de th e a ckn owledgm en t in th e PDU ca rryin g 26

th e Upper La yers ‟ rep ly to th e Upper La yer m es s age ca rr ied by th e received PD U. 27

After a PDU ca rryin g an a ckn owledgm en t h a s been s en t (i.e., t ra n s m it ted a n d pos s ib ly 28

ret ra n s m it ted a s pa rt of th e s a m e a cces s a t tem pt), th e m obile s ta tion s h all n ot s en d a n 29

a ckn owledgm en t in a n y s u bs equ en t t ra n s m it ted PDUs u n t il requ es ted a ga in . 30

10 In [11 ], th is ackn owledgm en t -on ly PDU is refer red to as th e Mob ile S tation Ack n owledgem en t

Order.

YD/ T 1838 .3 -2008

2 -17

Th e m ob ile s ta tion s h all n ot begin a n ew a cces s a t tem pt u n t il th e p reviou s a ccess a t tem pt 1

h a s en ded . 2

2 .1 .1 .2 .2 .3 Accu m u la ted S ta t is t ics for r -cs ch 3

Th e m obile s ta t ion s h a ll m a in ta in th e cou n ters sh own in Ta ble 2 .1 .1 .2 .2 .3 -1 .11 4

Th e m obile s ta t ion s h all in itia lize ea ch cou n ter des cribed in Ta ble 2 .1 .1 .2 .2 -3 -1 to zero 5

u pon powerin g on ; th e m obile s ta t ion sh a ll n ot re -in itia lize th os e cou n ters a t a n y oth er t im e 6

excep t u pon com m a n d from th e ba se s ta tion . Each cou n ter s h all be 16 b its lon g an d sh a ll 7

be m a in ta in ed m odu lo 2 16 . 8

Th e m obile s ta tion s h all in crem en t th e ACC_1 cou n ter for ea ch Access Ch an n el “requ es t” 9

type SDU tra n s m it ted . Th e m obile s ta tion s h a ll in crem en t th e ACC_2 cou n ter for ea ch 10

Acces s Ch an n el “res pon s e” type SDU tra n s m it ted . Th e m obile s ta t ion s h all in cre m en t th e 11

ACC_i cou n ter du rin g th e i m in u s on e t ra n s m iss ion on th e Access Ch a n n el of a n a cces s 12

probe in th e a ccess a t tem pt , for i equ als th ree to s even . Th e m obile s ta tion sh a ll in crem en t 13

th e ACC_8 cou n ter if th e a cces s a t tem pt on th e Access Ch a n n el is u n s u cces s fu l du e to th e 14

t ra n s m iss ion of th e m a xim u m a llowed n u m ber of p robes . 15

Th e m obile s ta tion s h all in crem en t th e EACH_BA_1 cou n ter for ea ch “requ es t” type SDU 16

t ra n s m it ted on th e En h an ced Acces s Ch a n n el in Ba s ic Acces s m ode. Th e m obile s ta t ion 17

s h a ll in crem en t th e EACH_BA_2 cou n ter for ea ch “res pon s e” type SDU tra n s m it ted on th e 18

En h a n ced Acces s Ch a n n el in Ba s ic Acces s m ode. Th e m obile s ta t ion s h all in crem en t th e 19

EACH_BA_i cou n ter du rin g th e i m in u s on e t ra n sm is s ion on th e En h a n ced Acces s Ch an n el 20

in Ba s ic Acces s m ode of a n a ccess p robe in th e a ccess a t tem pt , for i equ a ls th ree to s even . 21

Th e m obile s ta t ion s h a ll in crem en t th e EACH_BA_8 cou n ter if th e a ccess a t tem pt on th e 22

En h a n ced Acces s Ch a n n el in Ba s ic Acces s m ode is u n su cces s fu l du e to th e t ra n s m is s ion of 23

th e m a xim u m a llowed n u m ber of p robes . 24

Th e m obile s ta tion sh a ll in crem en t th e EACH_RA_i cou n ter du rin g th e i m in u s on e 25

t ra n s m iss ion on th e En h a n ced Acces s Ch an n el in Reserva t ion Acces s m ode of a n a ccess 26

probe, a s pa rt of a n a ccess a t tem pt , for i equ a ls th r ee to s even . Th e m obile s ta tion sh a ll 27

in crem en t th e EACH_RA_8 cou n ter if th e a cces s a t tem pt on th e En h a n ced Acces s Ch a n n el 28

in Reserva t ion Acces s m ode is u n su cces s fu l du e to th e t ra n s m is s ion of th e m a xim u m 29

a llowed n u m ber of p robes . 30

Th e m obile s ta t ion s h a ll in crem en t th e RCCCH_1 cou n ter for ea ch Revers e Com m on 31

Con trol Ch a n n el “requ es t” type SDU tra n s m it ted. Th e m obile s ta tion sh a ll in crem en t th e 32

RCCCH_2 cou n ter for ea ch Revers e Com m on Con trol Ch an n el “res pon s e” type SDU 33

t ra n s m it ted . Th e m obile s ta t ion s h all in crem en t th e RCCCH_i cou n ter du rin g th e i m in u s 34

on e t ra n s m is s ion on th e Revers e Com m on Con trol Ch a n n el of a n SDU, for i equ a ls th ree to 35

11 From a m od elin g p oin t of view, th e in form a t ion n ecessa ry to u pd a te th e cou n ters for th e En h a n ced

Acces s Ch a n n el a n d th e Revers e Com m on Con trol Ch an n el res ide a t th e MAC s u b layer ra th er th a n a t

th e LAC su b layer . Th e exch a n ge of in form a tion between th e two su b layers , as m odeled by th e s et of

p r im itives a n d th eir as s ocia ted p a ra m eters , a llows th e m a in ten a n ce of th e cou n ters to b e d on e a t th e

LAC s u b layer , wh ich is th e s olu tion s h own h ere.

YD/ T 1838 .3 -2008

2 -18

s even . Th e m obile s ta tion sh a ll in crem en t th e RCCCH_8 cou n ter if th e t ra n s m is s ion on th e 1

Revers e Com m on Con trol Ch a n n el is u n s u cces s fu l (i.e., n o a ckn owledgm en t wa s received 2

on th e Forwa rd Com m on Con trol Ch an n el). Th e m obile s ta tion sh a ll in crem en t th e 3

RCCCH_9 cou n ter wh en th e t ra n s m is s ion on th e Revers e Com m on Con trol Ch an n el is 4

a ba n don ed du e to los s of power con trol feed-ba ck on th e forwa rd lin k . 5

6

Table 2 .1 .1 .2 .2 .3 -1 . Accu mulated Statis tics for the Acces s Channel 7

Cou nter

Identifier Description

ACC_1 Nu m ber of “requ es t” type SDUs t ra n s m it ted on th e

Acces s Ch a n n el.

ACC_2 Nu m ber of “res pon s e” type SDUs t ra n s m it ted on

th e Acces s Ch an n el.

ACC_3 Nu m ber of t im es th a t a n a cces s p robe wa s

t ra n s m it ted a t lea s t twice on th e Acces s Ch a n n el.


t ra n s m it ted a t lea s t th ree t im es on th e Acces s

Ch a n n el.


t ra n s m it ted a t lea s t fou r t im es on th e Acces s

Ch a n n el.


t ra n s m it ted a t lea s t five t im es on th e Acces s

Ch a n n el.


t ra n s m it ted a t lea s t s ix tim es on th e Access

Ch a n n el.

ACC_8 Nu m ber of u n su cces s fu l a cces s a t tem pts on th e

Acces s Ch a n n el.

8

YD/ T 1838 .3 -2008

2 -19

Table 2 .1 .1 .2 .2 .3 -2 . Accu mulated Statis tics for the Enhanced Acces s Channel in Bas ic 1

Acces s Mode 2

Cou nter


EACH_BA_1 Nu m ber of “requ es t” type SDUs t ra n s m it ted on th e

En h a n ced Acces s Ch a n n el in Ba s ic Access m ode.

EACH_BA_2 Nu m ber of “res pon s e” type SDUs t ra n s m it ted on

th e En h a n ced Acces s Ch an n el in Ba s ic Acces s

m ode.

EACH_BA_3 Nu m ber of t im es th a t a n a cces s p robe wa s

t ra n s m it ted a t lea s t twice on th e En h a n ced Access

Ch a n n el in Ba s ic Acces s m ode.


t ra n s m it ted a t lea s t th ree t im es on th e En h a n ced

Acces s Ch a n n el in Ba s ic Acces s m ode.


t ra n s m it ted a t lea s t fou r t im es on th e En h a n ced


EACH_BA_6 Nu m ber of t im es th a t a n a cces s p rob e wa s

t ra n s m it ted a t lea s t five t im es on th e En h a n ced



t ra n s m it ted a t lea s t s ix tim es on th e En h an ced


EACH_BA_8 Nu m ber of u n su cces s fu l a cces s a t tem pts on th e

En h a n ced Acces s Ch a n n el in Ba s ic Access m ode.

3

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2 -20

Table 2 .1 .1 .2 .2 .3 -3 . Accu mulated Statis tics for the Enhanced Acces s Channel in 1

Res ervation Access Mode 2

Cou nter


EACH_RA_3 Nu m ber of t im es th a t a n a cces s p robe wa s

t ra n s m it ted a t lea s t twice on th e En h a n ced Access

Ch a n n el in Reserva t ion Acces s m ode.


t ra n s m it ted a t lea s t th ree t im es on th e E n h a n ced

Acces s Ch a n n el in Reserva t ion Acces s m ode.


t ra n s m it ted a t lea s t fou r t im es on th e En h a n ced



t ra n s m it ted a t lea s t five t im es on th e En h a n ced



t ra n s m it ted a t lea s t s ix tim es on th e En h an ced


EACH_RA_8 Nu m ber of u n su cces s fu l a cces s a t tem pts on th e

En h a n ced Acces s Ch a n n el in Reserva t ion Acces s

m ode.

3

YD/ T 1838 .3 -2008

2 -21

Table 2 .1 .1 .2 .2 .3 -4 . Accu mulated Statis tics for the Revers e Common Control Channel 1

Cou nter


RCCCH_1 Nu m ber of “requ es t” type SDUs t ra n s m it ted on th e

Revers e Com m on Con trol Ch a n n el.

RCCCH_2 Nu m ber of “res pon s e” type SDUs t ra n s m it ted on

th e Revers e Com m on Con trol Ch a n n el.

RCCCH_3 Nu m ber of t im es th a t a n SDU wa s t ra n s m itted a t

lea s t twice on th e Revers e Com m on Con trol

Ch a n n el.


lea s t th ree t im es on th e Revers e Com m on Con trol

Ch a n n el.


lea s t fou r t im es on th e Revers e Com m on Con trol

Ch a n n el.


lea s t five t im es on th e Revers e Com m on Con trol

Ch a n n el.


lea s t s ix tim es on th e Reverse Com m on Con trol

Ch a n n el.

RCCCH_8 Nu m ber of u n su cces s fu l t ra n s m is s ion s on th e

Revers e Com m on Con trol Ch a n n el in wh ich a n

a ckn owledgm en t wa s n ot received on th e Forwa rd

Com m on Con trol Ch a n n el.

RCCCH_9 Nu m ber of u n su cces s fu l t ra n s m is s ion s on th e

Revers e Com m on Con trol Ch a n n el in wh ich

t ra n s m iss ion was a ba n don ed du e to los s of power

con trol feedba ck on th e forwa rd lin k .

2

2 .1 .1 .3 Addres s in g Su b la yer 3

2 .1 .1 .3 .1 Pa ra m eters 4

Th e m obile s ta t ion s h a ll u s e th e a ddres s in g fields defin ed in 2 .1 .1 .3 .1 .1 for PDUs 5

t ra n s m it ted on th e r -cs ch . Th e m obile s ta tion sh a ll set th e a ddres s in g fields a ccordin g to 6

th e requ irem en ts s pecified in 2 .1 .1 .3 .1 .2 a n d 2 .1 .1 .3 .1 .3 . 7

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2 -22

2 .1 .1 .3 .1 .1 Defin ition of Addres s in g Fields 1

Address in g fields of PDUs t ra n s m it ted on th e r -cs ch a re given by th e m obile s ta t ion 2

iden t ifier type. Mobile s ta t ion iden tifier types m a y be: IMSI_S a n d ESN (Ba n d Cla s s 0 on ly), 3

ESN, IMSI, IMSI a n d ESN, a n d TMSI. 4

Th e a ddress in g fields for PDUs t ra n s m it ted on th e r -cs ch h ave th e followin g form a t : 5

6


MSID_TYPE 0 or 3

MSID_LEN 0 or 4

MSID 0 or 8 MSID_LEN

7

MSID_TYPE – Mobile s ta tion iden tifier field type. 8

Th e m obile s ta t ion s ets th is field to th e va lu e sh own in Ta b le 9

2 .1 .1 .3 .1 .1 -1 corres pon din g to th e a ddres s type u s ed by th e 10


12

Table 2 .1 .1 .3 .1 .1 -1 . Addres s Types 13

Description MSID_TYPE

(binary)

MSID_LEN

(octets )

IMSI_S a n d ESN (Ban d Cla ss 0 on ly) 000 9

ESN 001 4

IMSI 010 5 to 7

IMSI a n d ESN 011 9 to 11

Res erved 100

TMSI 101 2 to 12

Res erved (for MC-MAP) 110 2 to 12

Res erved (for MC-MAP) 111 5 to 10

14

MSID_LEN – Mobile s ta tion iden tifier field len gth . 15

Th e m obile s ta t ion s ets th is field to th e n u m ber of octets 16

in clu ded in th e MSID field , a s s h own in Ta b le 2 .1 .1 .3 .1 .1 -1 . 17

MSID – Mobile s ta tion iden tifier . 18

Th e m obile s ta t ion s ets th is field to th e m obile s ta t ion 19

iden t ifier , u s in g th e iden tifier type s pecified in th e MSID_TYPE 20

field . 21

22

YD/ T 1838 .3 -2008

2 -23

If MSID_TYPE is equ a l to „000‟, th e MSID field con s is ts of th e 1

followin g su bfields : 2

Su bfield Length (bits )

MIN1 24

MIN2 10

ESN 32

RESERVED 6

3


followin g su bfield : 5


ESN 32

6




IMSI_CLASS 1

IMSI clas s -s pecific su bfields 7 + 8 (MSID_LEN - 1 )

9




ESN 32

IMSI_CLASS 1

IMSI clas s -s pecific su bfields 7 + 8 (MSID_LEN - 5 )

12




TMSI_ZONE If MSID_LEN is grea ter

th a n fou r, 8 (MSID_LEN -

4 ); oth erwis e, 0 .

TMSI_CODE_ADDR If MSID_LEN is grea ter

th a n fou r, 32 ; oth erwis e, 8

MSID_LEN.

15

YD/ T 1838 .3 -2008

2 -24

MIN1 – Firs t pa rt (lea s t s ign ifican t 24 b its ) of th e m obile iden tifica tion 1

n u m ber (MIN). 2

MIN2 – Secon d pa rt (m os t s ign ifica n t 10 bits ) of th e m obile 3

iden t ifica t ion n u m ber (MIN). 4

ESN – Mobile s ta tion ‟s elect ron ic s eria l n u m ber. 5

RESERVED – Res erved b its . 6

IMSI_CLASS – Cla s s of th e IMSI (0 or 1 ). 7

TMSI_ZONE – TMSI zon e. 8

TMSI_CODE_ADDR – Tem pora ry m obile s ta t ion iden t ity code a ddress . 9

10

Addit ion al a ddres s in g pa ra m eters a re rep res en ted in Ta b les 2 .1 .1 .3 .1 .1 -2 a n d 2 .1 .1 .3 .1 .1 -3 , 11

IMSI Cla ss 0 Types a n d IMSI Clas s 1 Types , res pect ively. Th e pa ra m eters IMSI_CLASS a n d 12

IMSI cla s s -s pecific s u bfields a re defin ed wh en MSID_TYPE is equ a l to „010‟ or „011‟. 13

Requ irem en ts on h ow th e m obile s ta tion s ets th ese fields a re given in 2 .1 .1 .3 .1 .3 . 14

If IMSI_CLASS is equ a l to „0 ‟, th e m obile s ta t ion in clu des th e followin g fields in th e IMSI 15

cla s s -s pecific su bfields : 16

IMSI_CLASS_0_TYPE – Th e m obile s ta t ion s ets th is field a s des cribed in 2.1 .1 .3 .1 .3 17

(s ee Ta b le 2 .1 .1 .3 .1 .1 -2 ). 18

19

Table 2 .1 .1 .3 .1 .1 -2 . IMSI Clas s 0 Types 20

Description

IMSI_CLASS_

0_TYPE

(binary)

Length of IMSI

Clas s 0 Type-

s pecific Su bfields

(bits )

IMSI_S in clu ded 00 37

IMSI_S a n d

IMSI_11_12 in clu ded

01 45

IMSI_S a n d MCC

in clu ded

10 45

IMSI_S, IMSI_11_12 ,

a n d MCC in clu ded

11 53

21

IMSI clas s 0 type – IMSI clas s 0 type-s pecific su bfields . 22

s pecific su bfields Th e m obile s ta t ion s ets th e IMSI cla ss 0 type-s pecific su bfields 23

a s des cribed below: 24

25

YD/ T 1838 .3 -2008

2 -25

If IMSI_CLASS_0_TYPE is equ al to „00‟, th en IMSI cla s s 0 type -1

s pecific su bfields con s is t of: 2

IMSI Class 0 Type-s pecific Su bfield Length (bits )

RESERVED 3

IMSI_S 34

3




RESERVED 4

IMSI_11_12 7

IMSI_S 34

6




RESERVED 1

MCC 10

IMSI_S 34

9




RESERVED 2

MCC 10

IMSI_11_12 7

IMSI_S 34

12

If IMSI_CLASS is equ a l to „1 ‟, th e m obile s ta t ion in clu des th e followin g fields in th e IMSI 13

cla s s -s pecific su bfields : 14

IMSI_CLASS_1_TYPE – Th e m obile s ta t ion is to s et th is field a s described in 15

2 .1 .1 .3 .1 .3 (s ee Ta b le 2 .1 .1 .3 .1 .1 -3 ). 16

17

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2 -26

Table 2 .1 .1 .3 .1 .1 -3 . IMSI Clas s 1 Types 1

Description

IMSI_CLASS

_1_TYPE

(binary)

Length of IMSI

Clas s 1 Type

Specific Su bfields

(bits )

IMSI_S a n d


0 46



1 54

2


s pecific su bfields Th e m obile s ta t ion s ets th e IMSI cla ss 1 type-s pecific su bfields 4

a s des cribed below: 5

If IMSI_CLASS_1_TYPE is equ al to „0 ‟, th en IMSI cla s s 1 type -6



RESERVED 2

IMSI_ADDR_NUM 3

IMSI_11_12 7

IMSI_S 34

8

If IMSI_CLASS_1_TYPE is equ al to „1 ‟, th en IMSI cla s s 1 type-9



IMSI_ADDR_NUM 3

MCC 10

IMSI_11_12 7

IMSI_S 34

11


IMSI_S – Ten -d igit n u m ber ba s ed u pon th e IMSI (s ee 2 .3 .1 of [5 ]). 13

IMSI_11_12 – Two-d igit n u m ber ba s ed u pon th e IMSI (see 2 .3 .1 of [5 ]). 14

MCC – Mobile Cou n try Code (see 2 .3 .1 of [5 ]). 15

IMSI_ADDR_NUM – Nu m ber of d igits in th e NMSI m in u s fou r (see 2 .3 .1 of [5 ]). 16

2 .1 .1 .3 .1 .2 Requ irem en ts for Set tin g th e Address in g Fields 17

Th e m obile s ta t ion s h a ll determ in e a n d s et th e type of a ddres s to u se a s follows : 18

YD/ T 1838 .3 -2008

2 -27

• Th e m obile s ta t ion s h a ll s et MSID_TYPE equ a l to „000‟ a n d s h a ll u s e IMSI_O_S s 1

(equ al to IMSI_M_Sp ) an d th e ESN a s th e m obile s ta t ion iden tifier if th e followin g 2

con d ition s a re m et : 3

1 . PREF_MSID_TYPEs is equ a l to „00‟, a n d 4

2 . USE_TMSIs is equ a l to „0 ‟. 5

Th e m obile s ta t ion s h a ll in clu de th e followin g su bfields in th e MSID field : 6

MIN1 – Th e m obile s ta t ion s h a ll s et th is field to IMSI_M_S1 p . 7

MIN2 – Th e m obile s ta t ion s h a ll s et th is field to IMSI_M_S2 p . 8

ESN – Th e m obile s ta t ion s h a ll s et th is field to its elect ron ic seria l 9

n u m ber. 10


Th e m obile s ta t ion s h a ll s et th is field to „000000‟. 12

• Th e m obile s ta t ion s h a ll s et MSID_TYPE equ a l to „001‟ a n d s h a ll u s e th e ESN a s th e 13

m obile s ta tion iden tifier if n eith er IMSI_M n or IMSI_T h a s been a s s ign ed to th e 14

m obile s ta tion . Th e m obile s ta t ion sh a ll in clu de th e followin g s u bfield in th e MSID 15

field : 16


n u m ber. 18

• Th e m obile s ta t ion s h a ll s et MSID_TYPE to „010‟ an d s h all u s e th e IMSI_O a s th e 19

m obile s ta tion iden tifier if a ll of th e followin g con dit ion s a re m et : 20

– Th e m obile s ta t ion h a s been a s s ign ed eith er a n IMSI_T, or a n IMSI_M, or both ; 21

– PREF_MSID_TYPEs is equ a l to „10‟; a n d 22

– USE_TMSIs is equ a l to „0 ‟ or a ll of th e bits of TMSI_CODE s -p a re equ a l to „1 ‟. 23


IMSI_CLASS – Th e m obile s ta t ion s h a ll s et th is field a s s pecified in 25

2 .1 .1 .3 .1 .3 . 26

IMSI clas s -s pecific – IMSI clas s -s pecific su bfields . 27

s u bfields Th e m obile s ta t ion s h a ll s et th ese fields a s s pecified in 28

2 .1 .1 .3 .1 .3 . 29

• Th e m obile s ta t ion s h a ll s et MSID_TYPE to „011‟ an d s h all u s e both th e IMSI_O a n d 30

th e ESN a s th e m obile s ta t ion iden t ifier if a ll of th e followin g con dition s a re m et : 31


– PREF_MSID_TYPEs is equ a l to „11‟; a n d 33

– USE_TMSIs is equ a l to „0 ‟ or a ll of th e bits of TMSI_CODE s -p a re equ a l to „1 ‟. 34



n u m ber. 37

YD/ T 1838 .3 -2008

2 -28

IMSI_CLASS – Th e m obile s ta t ion s h a ll s et th is field a s s pecified in 1

2 .1 .1 .3 .1 .3 . 2

IMSI clas s -s pecific – IMSI clas s -s pecific su bfields . 3

s u bfields Th e m obile s ta t ion s h a ll s et th ese fields a s s pecified in 4

2 .1 .1 .3 .1 .3 . 5

• Th e m obile s ta t ion s h a ll s et MSID_TYPE to „101‟ an d s h all u s e th e TMSI a s th e 6

m obile s ta tion iden tifier if a ll of th e followin g con d it ion s a re m et : 7


– Th e b its of TMSI_CODEs -p a re n ot a ll equ al to „1 ‟; 9

– PREF_MSID_TYPEs is equ a l to „10‟ or „11‟; a n d 10

– USE_TMSIs is equ a l to „1 ‟. 11

Th e m obile s ta t ion s h a ll determ in e th e va lu e of th e MSID_LEN field a ccord in g to th e 12

procedu re des cribed in 2 .1 .1 .3 .1 .2 .1 , a n d th en th e m obile s ta tion s h all in clu de th e 13

followin g su bfields in th e MSID su bfields : 14

TMSI_ZONE – If MSID_LEN is grea ter th an fou r, th e m obile s ta tion sh a ll s et 15

th is field to th e ASSIGNING_TMSI_ZONE_LENs -p m os t 16

s ign ifica n t octets of ASSIGNING_TMSI_ZONEs -p , th e a s s ign in g 17

TMSI zon e. If MSID_LEN is les s th a n or is equ a l to fou r, th e 18

m obile s ta tion s h all om it th is field . 19

TMSI_CODE_ADDR – If TMSI_ZONE is in clu ded in th e a ddres s , th e m obile s ta t ion 20

s h a ll s et th is field to th e 32 -b it TMSI code a s s ign ed to th e 21


If TMSI_ZONE is n ot in clu ded in th e a ddres s , th e m obile 23

s ta t ion sh a ll s et th is field a s follows : 24

1 . If th e m os t s ign ifican t octet of th e TMSI_CODE a ss ign ed to 25

th e m obile s ta t ion is equ a l to „00000000‟ a n d th e s econ d 26

m os t s ign ifica n t octet of th e TMSI_CODE a s s ign ed to th e 27

m obile s ta tion is n ot equ a l to „00000000‟, th e m obile 28

s ta t ion sh a ll s et TMSI_CODE_ADDR to th e 24 lea s t 29

s ign ifica n t bits of th e TMSI_CODE a ss ign ed to th e m obile 30

s ta t ion . 31

2 . If th e two m os t s ign ifican t octets of th e TMSI_CODE 32

a s s ign ed to th e m obile s ta t ion a re both equ al to 33

„00000000‟, th e m obile s ta tion s h all set 34

TMSI_CODE_ADDR to th e 16 lea s t s ign ifica n t bits of th e 35

TMSI_CODE a s s ign ed to th e m obile s ta tion . 36

3 . In a ll oth er ca s es , th e m obile s ta t ion s h a ll s et 37

TMSI_CODE_ADDR to th e TMSI_CODE a s s ign ed to th e 38


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2 -29

2 .1 .1 .3 .1 .2 .1 Va lu e of th e MSID_LEN Field 1

If MSID_TYPE is n ot equ al to „101‟ th e m obile s ta t ion sh a ll s et MSID _LEN to th e n u m ber of 2

octets in clu ded in MSID (s ee Ta b le 2 .1 .1 .3 .1 .1 -1). If MSID_TYPE is equ a l to „101‟ th e 3

m obile s ta tion s h all set MSID_LEN a s follows : 4

1 . Th e m obile s ta t ion s h a ll s et MSID_LEN to 4 (TMSI_CODE_ADDR is to in clu de a ll 5

fou r octets of TMSI_CODEs -p) if a ll of th e followin g con d it ion s a re m et : 6

– ASSIGNING_TMSI_ZONE_LENs -p is equ al to TMSI_ZONE_LENs , 7

– Th e lea s t s ign ifican t ASSIGNING_TMSI_ZONE_LENs -p octets of 8

ASSIGNING_TMSI_ZONE s -p a re equ a l to TMSI_ZONE s , a n d 9

– Th e m os t s ign ifican t octet of TMSI_CODE s -p is n ot equ a l to „00000000‟. 10

2 . Th e m obile s ta t ion s h a ll s et MSID_LEN to 3 (TMSI_CODE_ADDR is to in clu de th e 11

th ree lea s t s ign ifican t octets of TMSI_CODE s -p) if a ll of th e followin g con d ition s a re 12

m et: 13



ASSIGNING_TMSI_ZONE s -p a re equ a l to TMSI_ZONE s , 16

– Th e m os t s ign ifican t octet of TMSI_CODE s -p is equ a l to „00000000‟, a n d 17

– Th e n ext m os t s ign ifica n t octet of TMSI_CODE s -p is n ot equ al to „00000000‟. 18

3 . Th e m obile s ta t ion s h a ll s et MSID_LEN to 2 (TMSI_CODE_ADDR is to in clu de th e 19

two lea s t s ign ifica n t octets of TMSI_CODE s -p ) if a ll of th e followin g con dit ion s a re 20

m et: 21




– Th e two m os t s ign ifican t octets of TMSI_CODE s -p a re both equ a l to „00000000‟. 25

4 . Th e m obile s ta t ion s h a ll s et MSID_LEN to 4 + ASSIGNING_TMSI_ZONE_LENs -p 26

(TMSI_ZONE is to in clu de th e ASSIGNING_TMSI_ZONE_LENs -p lea s t s ign ifican t 27

octets of ASSIGNING_TMSI_ZONEs -p wh ile TMSI_CODE_ADDR is to in clu de a ll fou r 28

octets of TMSI_CODE s -p ) if th e followin g con d it ion is m et : 29

– ASSIGNING_TMSI_ZONE_LENs -p is n ot equ al to TMSI_ZONE_LENs , or 30


ASSIGNING_TMSI_ZONE s -p a re n ot equ a l to TMSI_ZONEs . 32

2 .1 .1 .3 .1 .3 Requ irem en ts for Set tin g IMSI Cla s s a n d IMSI Clas s -s pecific Su bfield 33

Pa ra m eters 34

Wh en th e IMSI_O is u sed in th e MSID field of a PDU (s ee 2 .1 .1 .3 .1 .2 ), th e m obile s ta t ion 35

s h a ll u s e th e followin g p rocedu res to set th e va lu es for th e IMSI_CLASS an d th e IMSI clas s -36

s pecific su bfields : 37

YD/ T 1838 .3 -2008

2 -30

• Th e m obile s ta t ion s h a ll s et IMSI_CLASS to „0 ‟ a n d IMSI_CLASS_0_TYPE to „00‟ if a ll 1

of th e followin g con dit ion s a re m et : 2

– Th e m obile s ta t ion ‟s IMSI_O is a cla s s 0 IMSI, 3

– IMSI_O_11_12 s is equ al to IMSI_11_12 s , a n d 4

– MCC_Os is equ al to MCCs . 5

Th e m obile s ta t ion s h a ll in clu de th e followin g fields in IMSI cla ss 0 type -s pecific 6

s u bfields : 7

RESERVED – Th e m obile s ta t ion s h a ll s et th ese b its to ‟000‟. 8

IMSI_S – Th e m obile s ta t ion s h a ll s et th is field to IMSI_O_S s . 9




– IMSI_O_11_12 s is n ot equ al to IMSI_11_12 s , a n d 13



s u bfields : 16

RESERVED – Th e m obile s ta t ion s h a ll s et th ese b it s to ‟0000‟. 17

IMSI_11_12 – Th e m obile s ta t ion s h a ll s et th is field to IMSI_O_11_12 s . 18






– MCC_Os is n ot equ al to MCCs . 24


s u bfields : 26

RESERVED – Th e m obile s ta t ion s h a ll s et th is b it to ‟0 ‟. 27

MCC – Th e m obile s ta t ion s h a ll s et th is field to th e MCC_O s . 28





– IMSI_O_11_12 s is n ot equ al to IMSI_11_12 s , a n d 33

– MCC_Os is n ot equ al to MCCs 34

YD/ T 1838 .3 -2008

2 -31


s u bfields : 2





• Th e m obile s ta t ion s h a ll s et IMSI_CLASS to „1 ‟ a n d IMSI_CLASS_1_TYPE to „0 ‟ if a ll 7


– Th e m obile s ta t ion ‟s IMSI_O is a cla s s 1 IMSI, a n d 9


Th e m obile s ta t ion s h a ll in clu de th e followin g fields in IMSI cla ss 1 type-s pecific 11

s u bfields : 12


IMSI_ADDR_NUM – Th e m obile s ta t ion s h a ll s et th is field to th e n u m ber of d igits 14

in th e NMSI m in u s fou r. 15



• Th e m obile s ta t ion s h a ll s et IMSI_CLASS to „1 ‟ a n d IMSI_CLASS_1_TYPE to „1 ‟ if a ll 18


– Th e m obile s ta t ion ‟s IMSI_O is a cla s s 1 IMS I, a n d 20

– MCC_Os is n ot equ al to MCCs . 21


s u bfields : 23

IMSI_ADDR_NUM – Th e m obile s ta t ion s h a ll s et th is field to th e n u m ber of d igits 24

in th e NMSI m in u s fou r. 25




2 .1 .1 .3 .2 Procedu res 29

Th e m obile s ta t ion s h a ll s et th e a ddress in g fields of t h e PDU a s s pecified in 2 .1 .1 .3 .1 .2 . 30

YD/ T 1838 .3 -2008

2 -32

2 .1 .1 .4 Utility Su bla yer 1

2 .1 .1 .4 .1 Pa ra m eters 2

2 .1 .1 .4 .1 .1 Mes s a ge Type Fields 3

Th e m obile s ta tion s h all u s e th e fields defin ed in 2 .1 .1 .4 .1 .1 .1 to s u pport m es s a ge type 4

iden t ifica t ion for PDUs t ra n s m it ted on th e r -csch . Th e m obile s ta tion sh a ll set th e fields 5

a ccordin g to th e requ irem en ts in 2 .1 .1 .4 .1 .1 .2 . 6

2 .1 .1 .4 .1 .1 .1 Defin ition of Mes s age Type Fields 7

Th e m ess a ge type fields of PDUs t ra n s m it ted on th e r -csch h a ve th e followin g form a t : 8

9


PD 2

MSG_ID 6

10

PD - Protocol Dis crim in a tor . 11

MSG_ID - Mess a ge Iden tifier . 12

2 .1 .1 .4 .1 .1 .2 Requ irem en ts for Set t in g Mess a ge Type Fields 13

If P_REV_IN_USEs is les s th a n s ix, th e m obile s ta t ion sh a ll s et th e PD field to „00‟. If 14

P_REV_IN_USEs is equ a l to s ix, th e m obile s t a t ion s h a ll s et th e PD field to „01‟. If 15

P_REV_IN_USEs is grea ter th a n or equ a l to seven , th e m obile s ta tion sh a ll s et th e PD field 16

to „10‟. 17

Th e m obile s ta t ion s h a ll s et th e MSG_ID field a s sh own in Ta b le 2 .1 .1 .4 .1 .1 .2 -1 . 18

19

YD/ T 1838 .3 -2008

2 -33

Table 2 .1 .1 .4 .1 .1 .2 -1 . MSG_ID valu es on r-cs ch 1

Mess age Name MSG_TAG MSG_ID

(binary)

Regis trat ion Mess age RGM 000001

Order Mes s age ORDM 000010

Data B u rs t Mess age DBM 000011

Origin ation Mes s age ORM 000100

Page Res pon s e Mess age PRM 000101

Au th en ticat ion Ch allen ge Res pon se

Mess age

AUCRM 000110

S tatu s Res pon s e Mes s age STRPM 000111

TMS I As s ign m en t Com pletion

Mess age

TACM 001000

PACA Can cel Mes s age PACNM 001001

Ex ten ded S tatu s Res pon s e Mes s age ESTRPM 001010

Res erved N/ A 001011


Device In form ation Mes s age DIM 001101

S ecu rity Mode Requ es t Mes s age SMRM 001110

Data B u rs t Res pon se Mes s age

(DS-41 on ly, s ee [13])

DBRM 001111

RR-level Regis trat ion Mess age

(MC-MAP on ly, s ee [14])

RRLRM 010000

MC-MAP In itial L3 Mes s age


MAPIL3M 010001

MC-MAP L3 Mes s age


MAPL3M 010010

MC-MAP RRC Con n ect ion Requ es t

Mess age


MAPCRM 010011

R-TMS I Ass ign m en t Com pletion

Mess age


RTACM 010100

2

2 .1 .1 .4 .1 .2 LAC Len gth Field 3

Th e m obile s ta tion s h all u s e th e field defin ed in 2 .1 .1 .4 .1 .2 .1 for PDUs t ra n s m it ted on th e 4

r-cs ch . Th e m obile s ta t ion sh a ll s et th is field a ccord in g to th e requ irem en ts in 2 .1 .1 .4 .1 .2 .2 . 5

YD/ T 1838 .3 -2008

2 -34

2 .1 .1 .4 .1 .2 .1 Defin ition of LAC Len gth Field 1

Th e LAC Len gth field for PDUs t ra n s m it ted on th e r -cs ch h as th e followin g form a t : 2

3


LAC_LENGTH 5

4

LAC_LENGTH – Len gth of th e LAC fields . 5

2 .1 .1 .4 .1 .2 .2 Requ irem en ts for Set t in g LAC Len gth Field 6

Th e m obile s ta tion sh a ll s et th e LAC_LENGTH field to th e com bin ed len gth in octets of th e 7

LAC_LENGTH field , th e Au th en t ica tion fields (s ee 2 .1 .1 .1 .1 .1 ), th e ARQ fields (s ee 8

2 .1 .1 .2 .1 .1 ), th e Addres s in g fields (s ee 2 .1 .1 .3 .1 .1 ) a n d th e LAC Pa dd in g field (see 9

2 .1 .1 .4 .1 .4 ). 10

2 .1 .1 .4 .1 .3 Exten ded-En cryp tion Fields 11

Th e m obile s ta tion sh a ll u se th e fie lds defin ed in 2 .1 .1 .4 .1 .3 .1 to su pport Exten ded -12

En cryp tion for PDUs t ra n s m it ted on th e r -csch . Th e m obile s ta tion sh a ll set th e fields 13

a ccordin g to th e requ irem en ts in 2 .1 .1 .4 .1 .3 .2 . 14

2 .1 .1 .4 .1 .3 .1 Defin ition of Exten ded -En crypt ion Fields 15

Th e Exten ded -En crypt ion fields for PDUs t ra n sm it ted on th e r -cs ch h a ve th e followin g 16

form a t : 17

18


ENC_FIELDS_INCL 1

SDU_ENCRYPT_MODE 0 or 3

ENC_SEQ 0 or 8

19

ENC_FIELDS_INCL – Exten ded-En cryp tion fields in clu ded in d ica tor . 20

SDU_ENCRYPT_MODE – S ign a lin g en cryp tion m ode in u s e for th e SDU ca rried by th is 21

PDU. 22

ENC_SEQ – Eigh t lea s t s ign ifica n t b its of th e en cryp tion s equ en ce n u m ber 23

u s ed to con s tru ct a cryp togra ph ic s yn ch ron iza tion cryp to -24

s yn c (see 2 .3 .12 .4 of [5 ]) for th e en cryp tion a lgorith m . 25

2 .1 .1 .4 .1 .3 .2 Requ irem en ts for Set t in g Exten ded -En cryp tion Fields 26

Th e m obile s ta t ion s h a ll s et th e Exten ded -En cryp tion fields a s follows : 27

YD/ T 1838 .3 -2008

2 -35

• Th e m obile s ta t ion s h a ll s et th e ENC_FIELDS_INCL field to „1 ‟ if Exten ded -1

En cryp tion fields a re in clu ded in th is PDU; oth erwise, th e m obile s ta t ion s h a ll s et 2

th e ENC_FIELDS_INCL field to „0 ‟.12 If th e s ign alin g en cryp tion is d is a bled for th e 3

SDU ca rried by th is PDU (s ee Ta b le 3 .7 .4 .5 -1 of [5]), th e m obile s ta tion s h all n ot 4

in clu de Exten ded -En cryp t ion fields in th e PDU. 5

• If ENC_FIELDS_INCL is s et to „1 ‟, th e m obile s ta t ion sh a ll in clu de th e 6

SDU_ENCRYPT_MODE field a n d sh a ll set it to th e s ign a lin g en cryp t ion m ode th a t is 7

u s ed for th e SDU ca rried by th is PDU a n d is p rovided by La yer3 ; oth erwise, th e 8

m obile s ta tion s h all om it th e SDU_E NCRYPT_MODE field . 9

• If th e SDU_ENCRYPT_MODE field is in clu ded a n d is s et to „001‟, th e m obile s ta t ion 10

s h a ll in clu de th e ENC_SEQ field a n d s h a ll s et it to th e valu e p rovided by La yer 3 ; 11

oth erwis e, th e m obile s ta tion s h all om it th e ENC_SEQ field . 12

If th e PDU is ret ra n s m it ted , th e m obile s ta t ion s h a ll n ot ch a n ge eith er th e va lu e of th e 13

Exten ded-En cryp tion fields or th e en cryp t ion s ta te of th e SDU ca rried by th e PDU. 14

2 .1 .1 .4 .1 .4 LAC Pa dd in g Field 15

Th e m obile s ta t ion sh a ll u s e th e field defin ed in 2 .1 .1 .4 .1 .4 .1 to exten d th e com bin ed len gth 16

of th e LAC Len gth field , th e Au th en tica tion fields , th e ARQ fields , a n d th e Addres s in g fields 17

to th e closes t in teger n u m ber of octets , s o a s to en su re a n octet bou n da ry a lign m en t for 18

s u bs equ en t fields in th e PDU. Th e m obile s ta t ion sh a ll s et th is field a ccordin g to th e 19

requ irem en ts in 2 .1 .1 .4 .1 .4 .2 . 20

2 .1 .1 .4 .1 .4 .1 Defin ition of LAC Pa ddin g Field 21

Th e LAC Pa dd in g field for PDUs t ra n s m it ted on th e r -cs ch h a s th e followin g form a t : 22

23


LAC_PADDING 0-7

24

LAC_PADDING – Pa dd in g b its . 25

2 .1 .1 .4 .1 .4 .2 Requ irem en ts for Set t in g LAC Pa ddin g Field 26

Th e m obile s ta t ion s h all set th e LAC Pa ddin g field to con ta in th e m in im u m n u m ber of bits 27

n eeded to exten d th e com bin ed len gth of th e LAC_LENGTH field , th e Au th en t ica tion fields , 28

th e ARQ fields , a n d th e Address in g fields to a n in teger n u m ber of octets . Th e m obile 29

s ta t ion sh a ll s et th es e bits to „0 ‟. 30

12 Som e m es s ages s en t on th e r -csch a re n ot m ea n t to be en cryp ted (s ee 2 .3 .12 .4 .1 of [5 ]). For s u ch

m es sa ges , th e m ob ile s ta tion sets th e ENC_FIELDS_INCL to „0 ‟.

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2 -36

2 .1 .1 .4 .1 .5 Ra d io En viron m en t Report Fields 1

Th e m obile s ta t ion s h a ll u s e th e fields defin ed in 2 .1 .1 .4 .1 .5 .1 to su pport t im e -s en s it ive 2

ra d io en viron m en t report in g for PDUs t ra n s m it ted on th e r -csch . Th e m obile s ta t ion s h a ll 3

s et th e fields a ccord in g to th e requ irem en ts in 2 .1 .1 .4 .1 .5 .2 . 4

2 .1 .1 .4 .1 .5 .1 Defin ition of Ra d io En viron m en t Report Fields 5

Th e tim e-sen s itive ra dio en viron m en t report fields for PDUs t ra n s m it ted on th e r -csch h ave 6

th e followin g form a t : 7

8


ACTIVE_PILOT_STRENGTH 0 or 6

FIRST_IS_ACTIVE 0 or 1

FIRST_IS_PTA 0 or 1

NUM_ADD_PILOTS 0 or 3

NUM_ADD_PILOTS occu rren ces of th e followin g record :

PILOT_PN_PHASE 15

PILOT_STRENGTH 6

ACCESS_HO_EN 1

ACCESS_ATTEMPTED 1

NUM_AUX_PILOTS 0 or 3

NUM_AUX_PILOTS occu rren ces of th e followin g record :

PILOT_PN_PHASE 15

PILOT_STRENGTH 6

PILOT_REC_TYPE 3

RECORD_LEN 3

Type-s pecific fields 8 RECORD_LEN

9

ACTIVE_PILOT_- 10

STRENGTH – Pilot s t ren gth of th e p ilot in th e Active Set . 11

FIRST_IS_ACTIVE – In d ica tes wh en th e pilot in th e Active Set corres pon ds to th e 12

firs t ba s e s ta t ion to wh ich th e m obile s ta t ion t ra n s m it ted a n 13

a ccess p robe a fter en terin g th e S ys tem Access S tate (s ee 14

2 .6 .3 .1 .3 of [5 ]). 15

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2 -37

FIRST_IS_PTA – In d ica tes wh en th e firs t ba se s ta t ion to wh ich th e m obile 1

s ta t ion t ra n s m it ted a n a ccess p robe a fter en terin g th e S ys tem 2

Acces s S tate is th e ba se s ta t ion u s ed in th e a ccess s u b -3

a t tem pt im m edia tely p rior to th e cu rren t a ccess su b -a t tem pt 4

with in th e cu rren t a ccess a t tem pt . 5

NUM_ADD_PILOTS – Nu m ber of a dd ition a l (to th e p ilot in th e Act ive Set) reported 6

com m on p ilots . 7

Th e m obile s ta tion in clu des NUM_ADD_PILOTS occu rren ces of th e followin g fou r -field 8

record (on e occu rren ce for ea ch a ddit ion a l com m on p ilot bein g reported ): 9

PILOT_PN_PHASE – Pilot m ea su red ph a se. 10

PILOT_STRENGTH – Pilot s t ren gth . 11

ACCESS_HO_EN – Acces s h a n doff en a b le. 12

ACCESS_ATTEMPTED – Acces s a t tem pted fla g. 13

14

NUM_AUX_PILOTS – Nu m ber of reported a u xilia ry p ilots . 15

Th e m obile s ta t ion in clu des NUM_AUX_PILOTS occu rren ces of th e followin g five -field record 16

(on e occu rren ce for ea ch a u xilia ry pilot bein g reported ): 17

PILOT_PN_PHASE – Pilot m ea su red ph a se. 18

PILOT_STRENGTH – Pilot s t ren gth . 19

PILOT_REC_TYPE – Pilot record type. 20

RECORD_LEN – Len gth in octets of th e p ilot record type -s pecific fields . 21

Type-s pecific fields – Type-s pecific fields . 22

If PILOT_REC_TYPE is equ al to „000‟, th e m obile s ta t ion 23

in clu des th e followin g fields a s th e type-s pecific fields : 24

25


QOF 2

WALSH_LENGTH 3

PILOT_WALSH WALSH_LENGTH + 6

RESERVED 0-7 (a s n eeded)

26

QOF – In dex of th e Qu as i-orth ogon a l fu n ction correspon d in g to th e 27

a u xilia ry p ilot bein g reported . 28

WALSH_LENGTH – Len gth of th e Wa lsh code for th e a u xilia ry p ilot bein g reported. 29

PILOT_WALSH – Wa ls h code correspon d in g to th e a u xilia ry pilot bein g reported. 30


YD/ T 1838 .3 -2008

2 -38

2 .1 .1 .4 .1 .5 .2 Requ irem en ts for Set t in g Ra dio En viron m en t Report Fields 1

If P_REV_IN_USE s is grea ter th a n or equ a l to fou r, th e m obile s ta t ion sh a ll in clu de th e 2

ra d io en viron m en t report fields ; oth erwis e, th e m obile s ta t ion sh a ll om it th e ra d io 3

en viron m en t report fields . 4

Wh en th e m obile s ta tion in clu des t im e-s en s itive ra d io en viron m en t report fields in th e PDU 5

bein g t ra n s m itted , th e m obile s ta tion s h a ll s et th e t im e -sen s itive ra d io en viron m en t report 6

fields a s follows : 7

ACTIVE_PILOT_- 8

STRENGTH – Th e m obile s ta t ion s h a ll s et th is field to 9

m in (m a x (-2 10 log10 PS, 0 ), 64 ) 10

wh ere PS is th e s t ren gth of th e pilot in th e Active Set (s ee 11

2 .6 .3 .1 .7 of [5 ]). 12

FIRST_IS_ACTIVE – Th e m obile s ta t ion s h a ll s et th is field to „1 ‟ if 13

FIRST_ACTIVE_PILOTs is equ al to CURRENT_ACTIVE_PILOTs 14

(s ee 2 .6 .3 .1 .3 of [5 ]); oth erwis e, th e m obile s ta t ion s h a ll set 15

th is field to „0 ‟. 16

FIRST_IS_PTA – Th e m obile s ta t ion s h a ll s et th is field to '1 ' if 17

FIRST_ACTIVE_PILOTs is equ al to PREVIOUS_ACTIVE_PILOTs 18

(s ee 2 .6 .3 .1 .3 of [5 ]); oth erwis e, th e m obile s ta t ion s h a ll set 19

th is field to „0 ‟. 20

NUM_ADD_PILOTS – If PILOT_REPORTs is equ a l to „0 ‟ a n d th e PDU corres pon ds to 21

a m es s a ge oth er th an th e Origin ation Mes s age or th e Page 22

Res pon se Mes s age , th e m obile s ta t ion s h a ll s et th is field to 23

„000‟; oth erwise, th e m obile s ta t ion sh a ll s et th is field a s 24

follows : 25

Th e m obile s ta t ion s h a ll s et th is field to th e s u m of th e 26

n u m ber of com m on p ilots bein g reported from th e 27

ACCESS_HO_LIST (s ee 2 .6 .3 .1 .7 of [5 ]), oth er th an th e pilot in 28

th e Act ive Set , a n d th e n u m ber of com m on p ilots bein g 29

reported from th e OTHER_REPORTED_LIST. 30

Th e m obile s ta tion s h all in c lu de NUM_ADD_PILOTS occu rren ces of th e followin g record , 31

with ea ch occu rren ce corres pon din g to a d ifferen t com m on p ilot : 32

PILOT_PN_PHASE – Th e m obile s ta t ion s h a ll s et th is field to th e ph a se of th e 33

com m on p ilot PN s equ en ce (see 2 .6 .3 .1 .7 of [5 ]). 34

PILOT_STRENGTH – Th e m obile s ta t ion s h a ll s et th is field to 35

m in (m a x (-2 10 log10 PS, 0 ), 64 ) 36

wh ere PS is th e s t ren gth of th is com m on pilot (s ee 2 .6 .3 .1 .7 of 37

[5 ]). 38

ACCESS_HO_EN – If th e com m on p ilot is in ACCESS_HO_LIST, th e m obile 39

s ta t ion sh a ll s et th is field to „1 ‟; oth erwis e, th e m obile s ta t ion 40

s h a ll s et th is field to „0 ‟. 41

YD/ T 1838 .3 -2008

2 -39

ACCESS_ATTEMPTED – Th e m obile s ta t ion s h a ll s et th is field to „1 ‟ if a n a ccess p robe 1

h a s been t ra n s m itted to th e ba se s ta t ion corres pon d in g to th is 2

com m on p ilot with in th e cu rren t a ccess a t tem pt; oth erwis e, 3

th e m obile s ta t ion s h a ll s et th is field to „0 ‟ (s ee 2 .6 .3 .1 .3 .3 of 4

[5 ]). 5

6

NUM_AUX_PILOTS – If P_REV_IN_USE s is les s th an s even , th e m obile s ta t ion s h all 7

om it th is field ; oth erwise th e m obile s ta tion s h all in clu de th is 8

field a n d set it a s follows : 9

If PILOT_REPORTs is equ a l to „0 ‟ a n d th e PDU corres pon ds to 10

a m es s a ge oth er th an th e Origin ation Mes s age or th e Page 11

Res pon se Mes s age th e m obile s ta tion s h all set th is field to 12

„000‟; oth erwise, th e m obile s ta t ion sh a ll s et th is field to th e 13

n u m ber of a u xilia ry p ilots bein g reported from th e 14

OTHER_REPORTED_LIST (s ee 2 .6 .3 .1 .7 of [5 ]). 15

16

Th e m obile s ta t ion s h a ll in clu de NUM_AUX_PILOTS occu rren ces of th e followin g record , 17

with ea ch occu rren ce corres pon din g to a d ifferen t a u xilia ry pilot : 18

PILOT_PN_PHASE – Th e m obile s ta t ion s h a ll s et th is field to t h e ph a se of th e 19

a u xilia ry p ilot PN sequ en ce (see 2 .6 .3 .1 .7 of [5 ]). 20

PILOT_STRENGTH – Th e m obile s ta t ion s h a ll s et th is field to 21

m in (m a x (-2 10 log10 PS, 0 ), 64 ) 22

wh ere PS is th e s t ren gth of th is a u xilia ry pilot (s ee 2 .6 .3 .1 .7 of 23

[5 ]). 24

PILOT_REC_TYPE – Th e m obile s ta t ion s h a ll s et th is field to th e p ilot record type 25

a s s pecified in Ta b le 3 .7 .2 .3 .2 .34 -1 of [5 ]. 26

RECORD_LEN – Th e m obile s ta t ion s h a ll s et th is field to th e n u m ber of octets 27

in th e type-s pecific fields . 28

If PILOT_REC_TYPE is equ a l to „000‟, th e m obile s ta t ion s h all in clu de th e followin g fields a s 29

th e type-s pecific fields : 30

QOF – Th e m obile s ta t ion s h a ll s et th is field to th e in dex of th e 31

Qu a s i-orth ogon a l fu n ct ion of th e corres pon d in g au xilia ry pilot. 32

WALSH_LENGTH – Th e m obile s ta t ion s h a ll s et th is field to th e WALSH_LENGTH 33

va lu e s h own in Ta b le 2 .7 .2 .3 .2 .34 -2 of [5] corres pon din g to 34

th e len gth of th e Wa lsh code for th e a u xilia ry p ilot bein g 35

reported . 36

PILOT_WALSH – Th e m obile s ta t ion s h a ll s et th is field to th e Wa lsh code 37

corres pon d in g to th e a u xilia ry p ilot reported . 38

RESERVED – Th e m obile s ta t ion s h a ll in clu de th e m in im u m n u m ber of b its 39

requ ired to m a ke th e len gth of th e type -s pecific fields a n 40

in teger n u m ber of octets . Th e m obile s ta tion sh a ll s et ea ch of 41

th ese b its to „0 ‟. 42

YD/ T 1838 .3 -2008

2 -40

Th e m obile s ta tion s h a ll s elect th e NUM_ADD_PILOTS a n d NUM_AUX_PILOTS p ilots to be 1

reported from a m on g th e p ilots m on itored in th e ACCESS_HO_LIST a n d 2

OTHER_REPORTED_LIST (see 2 .6 .3 .1 .7 of [5 ]), a n d s h a ll in clu de th e res pect ive records in 3

th e PDU, a s a lis t with NUM_ADD_PILOTS a n d NUM_AUX_PILOTS en tries , a ccordin g to th e 4

followin g p rocedu re (or equ iva len t): 5

• Th e lis t sh a ll be em pty in it ia lly a n d n ew records sh a ll be a dded con secu t ively from 6

th e s ta rt of th e lis t , with ou t du p lica tes , u n t il th e lis t con ta in s NUM_ADD _PILOTS 7

p lu s NUM_AUX_PILOTS records . 8

• No record corres pon d in g to th e pilot in th e Active Set sh a ll be pa rt of th e lis t . 9

• If FIRST_IS_ACTIVE is equ al to „0 ‟, a record correspon d in g to th e com m on p ilot 10

iden t ified by FIRST_ACTIVE_PILOTs (s ee 2 .6 .3 .1 .3 of [5 ]) sh a ll be a dded to th e lis t . 11

• If PREVIOUS_ACTIVE_PILOTs (s ee 2 .6 .3 .1 .3 of [5 ]) is n ot NULL, a record 12

corres pon d in g to th e pilot iden tified by PREVIOUS_ACTIVE_PILOTs s h all be a dded 13

to th e lis t , u n less a lrea dy p resen t in th e lis t . 14

• Records corres pon d in g to p ilots in th e ACCESS_HO_LIST (s ee 2 .6 .3 .1 .7 of [5 ]) sh a ll 15

be a dded to th e lis t with ou t th e en ca psu la ted PDU exceedin g m ax _m sg_s ize for th e 16

ch a n n el on wh ich th e PDU will be s en t (see 2 .1 .1 .4 .2 ). 17

• After in clu d in g records corres pon din g to th e p ilots in th e ACCESS_HO_LIST, records 18

corres pon d in g to th e pilots h avin g th e h igh es t pilot s t ren gth rela tive to oth er p ilots 19

in th e OTHER_REPORTED_LIST (s ee 2 .6 .3 .1 .7 of [5 ]) sh a ll be a dded to th e lis t . As 20

m a n y p ilots a s poss ible from th e OTHER_REPORTED_LIST sh a ll be in clu ded in th e 21

lis t with ou t th e en ca psu la ted PDU exceed in g m ax_m s g_s ize for th e ch a n n el on 22

wh ich th e PDU will be s en t (see 2 .1 .1 .4 .2 ). 23

24

2 .1 .1 .4 .1 .6 PDU Pa dd in g Field 25

Th e m obile s ta t ion s h all u se th e field defin ed in 2 .1 .1 .4 .1 .6 .1 to pa d PDUs t ra n s m itted on 26

th e r -csch . Th e m obile s ta tion s h all s et th is field a ccordin g to th e requ irem en ts in 27

2 .1 .1 .4 .1 .6 .2 . 28

2 .1 .1 .4 .1 .6 .1 Defin ition of PDU Pa dd in g Field 29

Th e PDU Pa ddin g field for PDUs t ra n s m it ted on th e r -csch h a s th e followin g form a t : 30

31


PDU_PADDING 0 - 7

32

PDU_PADDING – Pa dd in g b its . 33

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2 -41

2 .1 .1 .4 .1 .6 .2 Requ irem en ts for Set t in g PDU Pa dd in g Field 1

Th e m obile s ta t ion sh a ll s et th e PDU Pa ddin g field to con ta in th e m in im u m n u m ber of b its 2

n eeded to m a ke th e len gth of th e PDU 8k+2 b its , wh ere k is a n in teger (k 0 ). Th e m obile 3


2 .1 .1 .4 .2 Procedu res 5

Th e m obile s ta tion s h all s et th e pa ra m eters defin ed in 2 .1 .1 .4 .1 a ccord in g to th eir 6

corres pon d in g requ irem en ts . Wh en requ ired , th e m obile s ta tion s h all u pda te th e t im e -7

s en s itive ra d io en viron m en t report fields for ea ch t ra n s m iss ion or ret ra n s m is s ion of a PDU. 8

Th e form a t of th e PDU sen t to th e MAC Su bla yer for t ra n s m is s ion on th e r -cs ch depen ds 9

u pon th e p rotocol ca pa bilit ies of both th e m obile s ta t ion a n d ba s e s ta t ion . 10

If P_REV_IN_USEs is les s th a n fou r, th e m obile s ta t ion sh a ll as s em ble th e PDU a s sh own in 11

Ta ble 2 .1 .1 .4 .2 -1 . 12

Table 2 .1 .1 .4 .2 -1 . PDU Format on r-csch for P_REV_IN_USE 13

Parameter Reference

Mess a ge Type Fields Section 2 .1 .1 .4 .1 .1

ARQ Fields Section 2 .1 .1 .2 .1

Address in g Fields Section 2 .1 .1 .3 .1

Au th en tica t ion Fields Section 2 .1 .1 .1 .1

SDU [5 ]

PDU Pa ddin g Field Section 2 .1 .1 .4 .1 .6

14

If P_REV_IN_USEs is equ a l to fou r or P_REV_IN_USEs is equ al to five, th e m obile s ta tion 15

s h a ll a s s em ble th e PDU a s s h own in Ta ble 2 .1 .1 .4.2 -2 . 16

Table 2 .1 .1 .4 .2 -2 . PDU Format on r-csch for P_REV_IN_USE = 4 or 5 17

Parameter Reference





SDU [5 ]

Ra d io En viron m en t Report Fields Section 2 .1 .1 .4 .1 .5


18

If P_REV_IN_USE s is equ a l to s ix, th e m obile s ta t ion s h all a ss em ble th e PDU a s s h own in 19

Ta ble 2 .1 .1 .4 .2 -3 . 20

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2 -42

Table 2 .1 .1 .4 .2 -3 . PDU Format on r- 1

Parameter Reference


LAC Len gth Field Section 2 .1 .1 .4 .1 .2




LAC Pa dd in g Field Section 2 .1 .1 .4 .1 .4


SDU [5 ]


2

If P_REV_IN_USE s is grea ter th a n or equ a l to s even , th e m obile s ta tion s h all a s s em ble th e 3

PDU a s sh own in Ta b le 2 .1 .1 .4 .2 -4 . 4

Table 2 .1 .1 .4 .2 -4 . PDU Format on r-csch for P_REV_IN_USE 5

Parameter Reference





Exten ded-En cryp tion Fields Section 2 .1 .1 .4 .1 .3


SDU [5 ]


6

Th e m obile s ta tion sh a ll n ot t ra n s m it PDUs la rger th an m ax _m sg_s ize = 7

(3 + MAX_CAP_SZs ) ACH_FRAME_SIZE - 38 bits on th e Access Ch a n n el.13 8

Wh en u s in g th e En h a n ced Acces s Ch a n n el, th e m obile s ta tion s h all n ot t ra n s m it PDUs 9

la rger th a n m ax _m s g_s ize , wh ere: 10

m ax _m s g_s ize = m a x ( (m ax _BA_du rat ion m ax _B A_rate), 11

(m ax _RA_du rat ion m ax _RA_rate)), 12

13 Con s is ten t with a m a xim u m MAX_CAP_SZ of 7 a n d ACH_FRAME_SIZE of 8 8 , th e m a xim u m PDU

s ize ca n b e 84 2 b its , wh ich tra n s la tes in to a MSG_LENGTH p a ra m eter va lu ed b etween 5 a n d 1 10 .

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2 -43

m ax _B A_du ration = m a xim u m of MODE_SELECTIONs [i].MAX_DURATION s u ch 1

th a t MODE_SELECTIONs [i].ACCESS_MODE is Bas ic Acces s 2

m ode, 3

m ax _B A_rate = m a xim u m tra n s m is s ion ra te for Ba s ic Acces s m ode th a t ca n be 4

s u pported by both th e m obile s ta tion a n d th e ba se s ta t ion 5

(determ in ed from EACH_BA_RATES_SUPPORTEDs for th e ba s e 6

s ta t ion a n d im plem en ta tion -s pecific for th e m obile s ta t ion ), 7

m ax _RA_du rat ion = m a xim u m of MODE_SELECTIONs [i].MAX_DURATION s u ch 8

th a t MODE_SELECTIONs [i].ACCESS_MODE is Res erva t ion 9

Acces s m ode, 10

m ax _RA_rate = m a xim u m tra n s m is s ion ra te for Res erva tion Acces s m ode th a t 11

ca n be su pported by both th e m obile s ta t ion a n d th e ba s e 12

s ta t ion (determ in ed from RCCCH_RATES_SUPPORTED s for th e 13

ba s e s ta t ion a n d im plem en ta t ion -s pecific for th e m obile 14

s ta t ion ). 15

2 .1 .1 .5 Segm en ta t ion a n d Reas s em bly Su bla yer 16

2 .1 .1 .5 .1 Pa ra m eters 17

Th e m obile s ta t ion sh a ll u s e th e SAR pa ra m eters defin ed in 2 .1 .1 .5 .1 .1 for PDUs 18

t ra n s m it ted on th e r -csch . Th e m obile s ta t ion sh a ll s et th e SAR pa ra m eters a ccordin g to 19

th e requ irem en ts s pecified in 2 .1 .1 .5 .1 .2 . 20

2 .1 .1 .5 .1 .1 Defin ition of SAR Pa ra m eters 21

Th e SAR pa ra m eters for PDUs t ra n s m itted on th e r-cs ch h a ve th e followin g form a t : 22

23


EXT_MSG_LENGTH 0 or 1

24

EXT_MSG_LENGTH – Exten ded m es s a ge len gth . 25

26


MSG_LENGTH 7 , 8 or 15

27

MSG_LENGTH – Len gth of th e PDU in octets . 28

29

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2 -44


CRC 30

1

CRC – Cyclic Redu n da n cy Ch eck for th e PDU. 2

3


SI 2

4

S I – Segm en ta tion In dica tor . 5

2 .1 .1 .5 .1 .2 Requ irem en ts for Set tin g SAR Pa ra m eters 6

For PDUs th a t a re s en t on th e Revers e Com m on Con trol Ch a n n el or on th e En h a n ced 7

Acces s Ch a n n el, t h e EXT_MSG_LENGTH pa ra m eter s h a ll be in clu ded . For PDUs th a t a re 8

s en t on th e Acces s Ch an n el, th e EXT_MSG_LENGTH pa ra m eter s h a ll be om it ted . 9

For PDUs th a t a re s en t on th e Revers e Com m on Con trol Ch a n n el or on th e En h a n ced 10

Acces s Ch a n n el: 11

• If th e s ize of th e LAC PDU is les s th an or equ a l to 978 b its : 12

– Th e EXT_MSG_LENGTH s h all be set to „0 ‟. 13

– Th e MSG_LENGTH field sh a ll be s even bits lon g an d s h all be set to 14

(s ize of LAC PDU in b its + 38) / 8 . 15

• If th e s ize of th e LAC PDU is grea ter th an 978 b its : 16


– Th e MSG_LENGTH field sh a ll be fifteen b its lon g an d s h all be set to 18


For PDUs th a t a re s en t on th e Acces s Ch an n el, th e MSG_LENGTH pa ra m eter s h a ll be eigh t 20

b its lon g a n d sh a ll be s et to (s ize of LAC PDU in bits + 38) / 8 . 21

Th e 30 -bit va lu e of th e CRC sh a ll be com pu ted over th e EXT_MSG_LENGTH pa ra m eter (if 22

in clu ded), th e MSG_LENGTH pa ra m eter a n d th e LAC PDU, in th is order. Th e gen era tor 23

polyn om ial for th e CRC sh a ll be a s follows : 24

g(x) = x30 + x29 + x21 + x2 0 + x15 + x1 3 + x12 + x11 + x8 + x7 + x6 + x2 + x + 1 . 25

Th e followin g p rocedu re a n d th e logic s h own in Figu re 2 .1 .1 .5 .1 .2 -1 s h a ll be u sed to 26

com pu te th e CRC: 27

• All s h ift regis ter elem en ts s h all be in it ia lized to logical on e.14 28

14 In it ia liza tion of th e regis ter to on es ca u s es th e CRC for a ll-zero d a ta to be n on -zero.

YD/ T 1838 .3 -2008

2 -45

• Th e switch es s h all be set in th e u p pos ition . 1

• If th e EXT_MSG_LENGTH pa ra m eter is in clu ded a n d is equ a l to „1 ‟, th e in form a t ion 2

b it cou n t k s h all be defin ed a s 16 p lu s th e s ize of th e LAC PDU in bits ; oth erwis e, 3

th e in form a t ion bit cou n t s h all be defin ed a s eigh t p lu s th e s ize of th e LAC PDU. 4

• Th e regis ter s h a ll be clocked k t im es for th e k in form a t ion bits . 5

• Th e switch es s h all be set in th e down pos ition so th a t th e ou tpu t is a m odu lo -2 6

a dd it ion with a „1 ‟ a n d th e s u cces s ive sh ift regis ter in pu ts a re „0 ‟. 7

• Th e regis ter s h a ll be c locked a n a dd ition a l 30 tim es . 8

• Th e 30 a dd it ion al ou tpu t b its s h a ll be th e CRC valu e. 9

Th e CRC pa ra m eter s h all be set to th e CRC va lu e in su ch a way th a t its b its a re 10

t ra n s m it ted in th e order in wh ich th ey a ppea red a t th e ou tpu t of th e CRC en coder. 11

12

x29

x21

x20

x15

x14

x0

x1

x2

x6

x7

x8

x9

x10

x11

x12

x13

Up for first k bitsDown for last 30 bits

Input

Output

1

0

Denotes modulo-2 addition

Denotes one-bit storage element

13

14

Figu re 2 .1 .1 .5 .1 .2 -1 . The 30 -bit CRC Calcu lation 15

16

For en ca psu la ted PDU fra gm en ts th a t a re s en t on th e Revers e Com m on Con trol Ch a n n el or 17

on th e En h a n ced Acces s Ch a n n el, th e SI pa ra m eter s h all be in clu ded an d s h all be s et to 18

„00‟. For PDUs th a t a re s en t on th e Acces s Ch a n n el, th e SI pa ra m eter s h all be om it ted . 19

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2 -46

2 .1 .1 .5 .2 Procedu res 1

Th e m obile s ta t ion s h a ll s et th e SAR pa ra m eters a s s pecified in 2 .1 .1 .5 .1 .2 . Th e m obile 2

s ta t ion sh a ll a s s em ble a n en ca ps u la ted PDU from th e SAR pa ra m eters a n d th e PDU by 3

con ca ten a t in g th em in th e followin g order: 4

• For PDUs th a t a re s en t on th e Revers e Com m on Con trol Ch a n n el or on th e 5

En h a n ced Acces s Ch a n n el, th e EXT_MSG_LENGTH pa ra m eter . 6

• Th e MSG_LENGTH pa ra m eter , s ta r t in g with th e m os t s ign ifica n t b it . 7

• Th e PDU, s ta rt in g with th e m os t s ign ifican t b it of PD of th e Mes s a ge Type Fields . 8

• Th e CRC pa ra m eter , s ta r t in g with th e b it th a t a ppea red firs t a t th e ou tpu t of th e 9

CRC en coder. 10

Th e m obile s ta t ion s h all s egm en t th e en ca psu la ted PDU in to fra gm en ts . Th e m o bile s ta tion 11

s h a ll t ra n s m it con s ecu tive fra gm en ts of th e en ca ps u la ted PDU in con s ecu tive r -cs ch fra m es , 12

with in a n r -cs ch t im e s lot . If th e m obile s ta t ion t ra n s m its a n en ca psu la ted PDU fra gm en t 13

on th e Reverse Com m on Con trol Ch a n n el or on th e En h a n ced Acces s Ch an n el, it s h all 14

t ra n s m it th e SI pa ra m eter a s socia ted with th e en ca psu la ted PDU fra gm en t before 15

t ra n s m it tin g th e fra gm en t . 16

2 .1 .2 Recep t ion on f-cs ch 17

Th e m obile s ta tion s h a ll m eet th e requ irem en ts s pecified in 2 .1 .2 .1 .2 .2 , 2 .1 .2 .2 .2 , 2 .1 .2 .3 .2 18

a n d 2 .1 .2 .4 .2 . 19

2 .1 .2 .1 ARQ Su b layer 20

2 .1 .2 .1 .1 Pa ra m eters 21

Th e m obile s ta t ion s h a ll u s e th e ARQ fields defin ed in 3 .1 .2 .1 .1 .1 for PDUs received on th e 22

f-cs ch . 23

2 .1 .2 .1 .2 Procedu res 24

2 .1 .2 .1 .2 .1 Overview of Recep t ion Procedu res 25

Th e ARQ Su b layer rem oves th e ARQ fields fr om th e PDU received on th e f-cs ch a n d pa ss es 26

th e rem a in der of th e PDU (wh ich gen era lly in clu des th e SDU) to th e Upper La yers . Th e 27

t im es ta m p in dica tin g wh en th e m ess a ge wa s received is a lso pa s sed to th e Upper La yers to 28

a s s is t th ese la yers with du p lica te d etection , in th e even t th a t du p lica te detection is n ot 29

perform ed by th e ARQ Su b layer. 30

Th e Upper La yers m a y p rovide th e ARQ Su b layer with a ded icated ch an n el as s ign m en t 31

in dica tion (see 2 .6 .3 .3 a n d 2 .6 .3 .5 of [5 ]), wh ich is u s ed to con trol th e ARQ proces s in g . 32

Wh en th e ARQ Su bla yer on th e receiver s ide receives a PDU with th e VALID_ACK field s et 33

to „1 ‟ a n d th e received PDU in clu des a n a ckn owledgm en t for a PDU bein g t ra n s m it ted , th e 34

ARQ Su bla yer on th e receiver s ide p rovides a n in d ica t ion to th e ARQ Su bla yer on th e 35

t ra n s m it ter s ide (s ee 2 .1 .1 .2 .2 .1 ) th a t th e a ccess p robe h a s been a ckn owledged . If th e 36

ACK_REQ field of th e received PDU is s et to „1 ‟, th e ARQ Su bla yer on th e receiver s ide 37

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2 -47

p rovides a n in dica t ion to th e ARQ Su b layer on th e t ra n s m it ter s ide th a t a n 1

a ckn owledgm en t n eeds to be sen t for th e received PDU, togeth er with th e MSG_SEQ field of 2

th e received PDU. 3

Wh en th e ARQ Su bla yer on th e receiver s ide receives a ded icated ch an n el as s ign m en t 4

in dica tion from th e Upper La yers for a received PDU, th en th e ARQ S u bla yer on th e receiver 5

s ide p rovides a n in dica tion to th e ARQ Su b layer on th e t ra n s m it ter s ide to term in a te th e 6

a ccess a t tem pt in p rogress , if a n y. If th e ACK_REQ field of th e received PDU is s et to „1 ‟, 7

th e ARQ Su b layer on th e receiver s ide p rovides a n in dica t ion to th e ARQ Su bla yer on th e 8

t ra n s m it ter s ide th a t a n a ckn owledgm en t n eeds to be s en t for th e received PDU, togeth er 9

with th e MSG_SEQ field of th e received PDU. If th e received PDU does n ot in clu de a n 10

a ckn owledgm en t for th e PDU cu rren tly bein g t r a n s m it ted , th e ARQ Su bla yer s ign als th e 11

Upper La yers to u pda te th e regis t ra t ion va ria bles . 12

Wh en th e ARQ Su bla yer on th e receiver s ide receives a PDU th a t h a s th e VALID_ACK field 13

s et to „0 ‟ or th a t does n ot in clu de a n a ckn owledgm en t for a PDU bein g t ra n s m it ted , th e ARQ 14

Su bla yer on th e receiver s ide ign ores th e ACK_REQ field even if it is s et to „1 ‟ (i.e., n o 15

a ckn owledgem en t is sen t for th e received PDU). 16

Th e ARQ Su bla yer perform s du plica te detect ion by u s in g th e MSG_SEQ field of th e received 17

PDUs , in form a t ion (p rovided by th e MAC Su bla yer) on wh ich ph ys ica l ch an n el 18

(corres pon din g to th e f-cs ch ) th e PDUs were received , a n d on th e rela tive t im e of th e 19

recep tion s . Th e iden t ity of th e ph ys ica l ch an n el on wh ich a PDU is received is determ in ed 20

by th e Lower La yers an d is m a de a va ila b le to th e ARQ Su bla yer (s ee th e 21

MAC-Data.Indication p r im itive; s ee a ls o [3] for a des crip t ion of h ow ph ys ica l ch an n els a re 22

iden t ified ) to a s s is t with du plica te detect ion . 23

In ca s es wh en th e ARQ Su b layer does n ot perform du p lica te detection , th e s a m e 24

in form a t ion is m a de a va ila b le to th e Upper La yers to a s s is t th es e la yers in du plica te 25

detect ion . Th e ARQ Su bla yer d is ca rds received PDUs con s idered to be du p lica te. 26

2 .1 .2 .1 .2 .2 Requ irem en ts for Recep tion Procedu res 27

Wh en receivin g a PDU on th e f-csch : 28

• If th e VALID_ACK field is set to „1 ‟ a n d th e ACK_SEQ field is set to th e va lu e of th e 29

MSG_SEQ field of a PDU cu rren t ly bein g sen t (via a n a cces s a t tem pt in p rogress ): 30

– Th e m obile s ta t ion s h a ll con s ider th e PDU bein g sen t a s a ckn owledged (s ee 31

2 .1 .1 .2 .2 .2 for requ irem en ts on th e p roces s in g of a PDU a fter bein g 32

a ckn owledged). 33

– If th e ACK_REQ field of th e received PDU is set to „1 ‟, th e m obile s ta tion s h all 34

recogn ize it a s a requ es t for a ckn owledgm en t . 35

• Oth erwis e: 36

– If a ded icated ch an n el as s ign m en t in dica tion is received (s ee 2 .6 .3 .3 a n d 2 .6 .3 .5 37

of [5 ]): 38

+ Th e m obile s ta t ion s h a ll term in a te a n y a ccess a t tem pt in p rogres s . 39

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2 -48

+ If th e ACK_REQ field of th e received PDU is set to „1 ‟, th e m obile s ta tion s h all 1

recogn ize it a s a requ es t for a ckn owledgm en t . 2

– Oth erwis e, if th e ACK_REQ field of th e received PDU is s et to „1 ‟, th e m obile 3

s ta t ion sh a ll ign ore th e ACK_REQ field (i.e., n o a ckn owledgm en t is s en t by th e 4

m obile s ta tion ). 5

Th e m obile s ta t ion s h a ll detect du p lica te received PDUs a ccord in g to th e followin g ru les . 6

Th e m obile s ta t ion s h a ll con s ider two PDUs or records (excep t records in th e Gen eral Page 7

Mess age or in th e Un ivers al Page Mes s age ) a ddres s ed to th e m obile s ta t ion to be du plica tes 8

if a ll of th e followin g a re t ru e: 9

• Th e PDUs (records ) were received on th e s a m e ph ys ica l ch a n n el corres pon din g to 10

th e f-csch (s ee [3 ] for a des crip t ion of h ow ph ys ical ch a n n els a re iden t ified); a n d 11

• Th e PDUs (records ) con ta in th e s a m e va lu es in th e ADDR_TYPE, MSG_SEQ a n d 12

ACK_REQ fields ; a n d 13

• Th e PDUs (records ) were received with in T4m s econ ds of ea ch oth er (see Figu re 14

2 .1 .2 .1 .2 .2 -1 ); a n d 15

• An a ddress m a tch wa s decla red (s ee 2 .1 .2 .2 .2 .3 ) for both PDUs (records). 16

Th e m obile s ta tion s h all con s ider two pa ge records (a s con ta in ed in th e Gen eral Page 17

Mess age or in th e Un ivers al Page Mess age) to be du p lica tes if a ll of th e followin g a re t ru e: 18

• Th e records were received on th e s a m e ph ys ica l ch a n n el corres pon din g to th e f-csch 19

(s ee [3 ] for a des crip t ion of h ow ph ys ica l ch a n n els a re iden t ified); a n d 20

• Th e records con tain th e s a m e va lu es in th e MSG_SEQ field ; a n d 21

• Th e records were received with in T4m s econ ds of ea ch oth er (s ee Figu re 22

2 .1 .2 .1 .2 .2 -1 ) or in th e s a m e m es s age; a n d 23

• A pa ge m a tch wa s decla red (see 2 .1 .2 .2 .2 .1 ) for both records . 24

Th e m obile s ta t ion sh a ll th en d isca rd , with ou t fu rth er p roces s in g, PDUs or records 25

con s idered to be du plica te. 26

After receivin g a b roa dca s t m es s age or a b roa dca s t pa ge a n d a corres pon din g b roa dca s t 27

f-cs ch m es s a ge wh en BCAST_INDEXs is n ot equ a l to „000‟, th e m obile s ta t ion s h ou ld 28

d is ca rd a ll fu rth er b roa dca s t pa ges a n d a ll fu rth er b roa dca s t f-cs ch m es s a ges con tain in g 29

th e s a m e BURST_TYPE a n d BC_ADDR fields th a t a re received with in 30

4 (2 BCAST_INDEXs + 3 ) pagin g s lots of th e firs t pa gin g s lot in th e b roa dca s t pa gin g cycle in 31

wh ich th e b roa dca s t pa ge or b roa dca s t m ess a ge wa s firs t received . 32

Th e m obile s ta t ion sh a ll con s ider PDUs a n d records to be d ifferen t if th ey a re n ot du p lica tes 33

a ccordin g to th e ru les given a bove. Th e m obile s ta t ion sh a ll p roces s a ll PDUs a n d records 34

th a t a re con s idered to be d ifferen t . 35

36

YD/ T 1838 .3 -2008

2 -49

f-csch

Transmissionof a PDU with

MSG_SEQ number k,ACK_REQ = a

Any PDU whose last frame ends in this interval,

and is transmitted to the mobile station on thesame physical channel corresponding to the

f-csch, and has MSG_SEQ = k and ACK_REQ = ais considered to be the same PDU.

T4m is initialized T4m expiresT4m

1

Figu re 2 .1 .2 .1 .2 .2 -1 . Time Interval for Du plicate Mess age Detection 2

3


2 .1 .2 .2 .1 Pa ra m eters 5

Th e m obile s ta t ion sh a ll u s e th e a ddres s in g fields defin ed in 3 .1 .2 .2 .1 .1 for PDUs ca rryin g 6

th e Gen eral Page Mes s age . Th e m obile s ta tion s h a ll u s e th e a ddres s in g fields defin ed in 7

3 .1 .2 .2 .1 .2 for PDUs ca rryin g th e Un ivers al Page Mess age . Th e m obile s ta t ion s h all u se th e 8

a ddres s in g fields defin ed in 3 .1 .2 .2 .1 .3 for PDUs ca rryin g m es s ages oth er th an th e Gen eral 9

Page Mes s age or th e Un ivers al Page Mess age . 10

2 .1 .2 .2 .2 Procedu res 11

2 .1 .2 .2 .2 .1 Pa ge Ma tch Procedu re for th e Gen eral Page Mes s age 12

Th e m obile s ta t ion s h all u se th e a ddress in g fields of th e received PDU (see 3 .1 .2 .2 .1 .1 ) to 13

determ in e a pa ge m a tch . 14

Th e m obile s ta tion sh a ll p rocess th e records in th e Gen eral Page Mess age in th e order th ey 15

occu r u s in g th e followin g p rocedu res : 16

• Th e m obile s ta t ion s h a ll ign ore a ll rem a in in g b its in a pa ge record th a t h a s : 17

– PAGE_CLASS equ a l to „11‟ a n d PAGE_SUBCLASS equ a l to „01‟, or 18

– PAGE_CLASS equ a l to „11‟, PAGE_SUBCLASS equ a l to „10‟ a n d 19

PAGE_SUBCLASS_EXT equ a l to „00‟, or 20







YD/ T 1838 .3 -2008

2 -50


PAGE_SUBCLASS_EXT equ a l to „10‟. 2

• Th e m obile s ta t ion s h a ll ign ore a ll rem a in in g b its in th e m es s age if a pa ge recor d 3

h a s : 4

– PAGE_CLASS equ a l to „01‟ a n d PAGE_SUBCLASS equ a l to „10‟ or „11‟, or 5


PAGE_CLASS_EXT equ al to „11‟, or 7


PAGE_SUBCLASS_EXT equ a ls „1 1‟. 9

• If PAGE_CLASS is equ a l to „00‟ a n d PAGE_SUBCLASS is equ a l to „00‟, th e m obile 10

s ta t ion sh a ll decla re a pa ge m a tch if a ll of th e followin g con dit ion s a re m et : 11


– IMSI_O_Ss is equ a l to th e IMSI_S received in th e pa ge record , 13







– IMSI_O_11_12 s is equ al to th e IMSI_11_12 received in th e pa ge record , a n d 20







– MCC_Os is equ al to th e MCC received in th e pa ge record . 27









YD/ T 1838 .3 -2008

2 -51

– Th e m obile s ta t ion ‟s IMSI_O is a cla s s 1 IMSI (s ee 2 .3 .1 of [5 ]), 1

– IMSI_O_Ss is equ a l to th e IMSI_S received in th e pa ge recor d , 2

– IMSI_O_11_12 s is equ al to th e IMSI_11_12 received in th e pa ge record , 3

– MCC_Os is equ al to MCCs , a n d 4

– IMSI_O_ADDR_NUMs is equ a l to th e IMSI_ADDR_NUM received in th e page 5

record . 6

• If PAGE_CLASS is equ a l to „01‟ a n d PAGE_SUBCLASS is equ a l to „01‟, th e m ob ile 7




– IMSI_O_11_12 s is equ al to th e IMSI_11_12 received in t h e pa ge record , 11

– MCC_Os is equ al to th e MCC received in th e pa ge record , a n d 12


record . 14



– Th e b its of TMSI_CODEs -p a re n ot a ll equ al to „1 ‟, 17




– TMSI_CODE s -p is equ a l to th e TMSI_CODE_ADDR received in th e pa ge record . 21







– Th e m os t s ign ifican t octet of TMSI_CODE s -p is equ a l to „00000000‟, a n d 28

– Th e lea s t s ign ifican t 24 b its of TMSI_CODE s -p a re equ a l to th e 29

TMSI_CODE_ADDR received in th e pa ge record . 30





YD/ T 1838 .3 -2008

2 -52



– Th e two m os t s ign ifican t octets of TMSI_CODE s -p a re both equ a l to „00000000‟, 3

a n d 4

– Th e lea s t s ign ifican t 16 b its of TMSI_CODE s -p a re equ a l to th e 5

TMSI_CODE_ADDR received in th e pa ge record . 6


s ta t ion a n d sh a ll decla re a pa ge m a tch if th e followin g con dition s a re m et : 8


– ASSIGNING_TMSI_ZONE_LENs -p is equ al to th e TMSI_ZONE_LEN received in 10

th e pa ge record , 11


ASSIGNING_TMSI_ZONE s -p a re equ a l to th e TMSI_ZONE received in th e page 13

record , a n d 14

– TMSI_CODE s -p is equ a l to th e TMSI_CODE_ADDR received in th e pa ge record . 15

• If th e m obile s ta tion is con figu red to receive b roa dca s t m es s ages , th en for ea ch 16

record of th e pa ge m ess a ge with PAGE_CLASS equ a l to „11‟ a n d PAGE_SUBCLASS 17

equ a l to „00‟, th e m obile s ta t ion sh a ll com pa re th e BURST_TYPE a n d BC_ADDR 18

fields to th e bu rs t types a n d b roa dca s t a ddres ses th a t th e m obile s ta tion h a s been 19

con figu red to receive. Th e m obile s ta t ion s h a ll determ in e if th e record type con ta in s 20

a bu rs t type a n d b roa dca s t a ddres s th a t th e m obile s ta tion h a s been con figu red to 21

receive. 22

Th e m obile s ta t ion s h a ll n ot decla re a pa ge m a tch for a pa ge record with 23

PAGE_CLASS equ a l to „11‟ a n d PAGE_SUBCLASS equ a l to „00‟. 24


record of th e pa ge m ess a ge with PAGE_CLASS equ a l to „11‟, PAGE_SUBCLASS equ a l 26

to „11‟, a n d PAGE_SUBCLASS_EXT equ a l to „00‟, th e m obile s ta t ion sh a ll com pa re 27

th e BURST_TYPE a n d BC_ADDR fields to th e bu rs t types a n d b roa dcas t a ddres ses 28

th a t th e m obile s ta tion h a s been con figu red to receive. Th e m obile s ta tion sh a ll 29

determ in e if th e record type con ta in s a bu rs t type a n d b roa dca s t a ddress th a t th e 30

m obile s ta tion h a s been con figu red to receive, a n d if s o, th e LAC Su bla yer s h a ll 31

m a ke th e Record -specific fields (s ee 3 .1 .2 .3 .1 .8 ) a va ila ble to La yer 3 for fu rth er 32

proces s in g. 33


PAGE_CLASS equ a l to „11‟, PAGE_SUBCLASS equ a l to „11‟, a n d 35

PAGE_SUBCLASS_EXT equ a l to „00‟, and BURST TYPE is not equal to „111100‟. 36

• If PAGE_CLASS is equ al to „11‟ a n d PAGE_SUBCLASS is equ a l to „0 0 ‟ a n d 37

BURST TYPE is equ al to „111100‟ a n d ADDR_TYPE is equ a l to „001 ‟, th e 38

m obile s ta tion s h all decla re a pa ge m a tch if a ll of th e followin g con dit ion s a re 39

m et: 40

YD/ T 1838 .3 -2008

2 -53

– GID_Ss is equ al to th e GID_S received in th e page record , 1

– GID_9_10s is equ al to th e GID_9_10 received in th e pa ge record , 2

– GID_11_12s is equ a l to th e GID_11_12 received in th e pa ge record ,a n d 3

– MCCs is equ al to th e MCC received in th e pa ge record . 4

• If PAGE_CLASS is equ al to „11‟ a n d PAGE_SUBCLASS is equ a l to „0 0 ‟ a n d 5

BURST TYPE is equ al to „111100‟ a n d ADDR_TYPE is equ a l to „000‟, th e 6

m obile s ta tion s h all decla re a pa ge m a tch if a ll of th e followin g con dit ion s a re 7

m et: 8

– GID_Ss is equ al to th e GID_S received in th e page record . 9

10

2 .1 .2 .2 .2 .2 Pa ge Ma tch Procedu re for th e Un iversal Page Mes s age 11

Th e m obile s ta tion sh a ll u s e th e a ddress in g fields of th e received Un ivers al Page Mes s age 12

(s ee 3 .1 .2 .2 .1 .2 ) to determ in e a pa ge m a tch . 13

Th e m obile s ta t ion s h all p roces s th e page records in th e Un ivers al Page Mes s age in th e 14

order th ey occu r u s in g th e followin g p rocedu res : 15

• Th e m obile s ta t ion s h a ll ign ore a ll rem a in in g b its in a pa ge record th a t h a s : 16













• Th e m obile s ta t ion s h a ll ign ore a ll rem a in in g b its in th e record , except th e 29

RESERVED_LEN field , if a pa ge record h as : 30

– PAGE_CLASS equ a l to „01‟ a n d PAGE_SUBCLASS equ a l to „10‟ or „11‟, or 31


PAGE_CLASS_EXT equ al to „11‟, or 33


PAGE_SUBCLASS_EXT equ a ls „11‟. 35

YD/ T 1838 .3 -2008

2 -54




– Th e m os t s ign ifican t 18 b its of IMSI_O_S s a re equ a l to th e IMSI_S_33_16 4

received in th e page record , 5

– Th e lea s t s ign ifican t 16 b its of IMSI_O_S s a re equ a l to th e 16 IMSI_S b its of th e 6

In terleaved Addres s Fields th a t a re a s s ocia ted with th e received pa ge record , 7






























YD/ T 1838 .3 -2008

2 -55



– Th e m obile s ta t ion ‟s IMSI_O is a cla s s 1 IMSI (s ee 2 .3 .1 of [5 ]), 3








record . 11









– MCC_Os is equ al to th e MCC received in th e pa ge record , a n d 20


record . 22







– Th e m os t s ign ifican t two octets of TMSI_CODEs -p a re equ a l to th e 29

TMSI_CODE_ADDR_31_16 received in th e pa ge record , a n d 30

– Th e lea s t s ign ifican t 16 b its of TMSI_CODE s -p a re equ a l to th e 16 31

TMSI_CODE_ADDR b its of th e In terlea ved Address Fields th a t a re a s s ocia ted 32

with th e received pa ge record . 33




YD/ T 1838 .3 -2008

2 -56




– Th e m os t s ign ifican t octet of TMSI_CODE s -p is equ a l to „00000000‟, 4

– Th e n ext to m ost s ign ifica n t octet of TMSI_CODE s -p is equ a l to th e 5











– Th e two m os t s ign ifican t octets of TMSI_CODE s -p a re both equ a l to „00000000‟, 16

a n d 17





s ta t ion a n d sh a ll decla re a pa ge m a tch if th e followin g con dition s a re m et : 22


– ASSIGNING_TMSI_ZONE_LENs -p is equ al to th e TMSI_ZONE_LEN received in 24

th e pa ge record , 25


ASSIGNING_TMSI_ZONE s -p a re equ a l to th e TMSI_ZONE received in th e page 27

record , 28

– Th e m os t s ign ifican t two octets of TMSI_CODE s -p a re equ a l to th e 29



TMSI_CODE_ADDR b its of th e In terlea ved Address F ields th a t a re a s s ocia ted 32


YD/ T 1838 .3 -2008

2 -57


record of th e pa ge m ess a ge with PAGE_CLASS equ a l to „11‟, PAGE_SUBCLASS equ a l 2

to „11‟, a n d PAGE_SUBCLASS_EXT equ a l t o „00‟, th e m obile s ta t ion sh a ll com pa re 3

th e received b roa dca s t a ddres s (s pecified by th e BC_ADDR_REMAINDER from th e 4

pa ge record a n d th e BC_ADDR_PA from th e In terlea ved Addres s Fields) a n d th e 5

received BURST_TYPE (from th e In terlea ved Addres s Fields ) to th e b roa dca s t 6

a ddres s es a n d correspon d in g bu rs t types th a t th e m obile s ta t ion h a s been 7

con figu red to receive. Th e m obile s ta t ion s h a ll determ in e if it is a bu rs t type a n d 8

broa dca s t a ddress th a t th e m obile s ta t ion h as been con figu red to receive, a n d if so, 9

th e LAC Su b la yer s h a ll m a ke th e Record -s pecific fields (see 3 .1 .2 .3 .1 .8 ) a va ila ble to 10

La yer 3 for fu rth er p rocess in g. 11


PAGE_CLASS equ a l to „11‟, PAGE_SUBCLASS equ a l to „11‟, a n d 13


2 .1 .2 .2 .2 .3 Page Match Procedure for the Broadcast Page and Channel Assignment Message 15

The mobile station shall use the addressing fields of the received PDU (see 3.1.2.2.1.3) to determine a page 16

match. 17

If the ADDR_TYPE of th e B roadcas t Page an d Ch an n el As s ign m en t Mes s age is equal to „101‟, 18

and GIDs is equ al to the GID of th e B roadcas t Page an d Ch an n el Ass ign m en t Mes s age , th e 19

m obile s tation s h all declare a page m atch . 20

2 .1 .2 .2 .2 .4 Addres s Recogn ition Procedu re for Mess a ges Oth er th a n th e Gen eral Page 21

Mess age a n d th e Un ivers al Page Mes s age 22

Th e m obile s ta t ion s h all u se th e a ddress in g fields of th e received PDU (see 3 .1 .2 .2 .1 .3 ) to 23

determ in e a n a ddres s m a tch . 24

If th e ADDR_TYPE is equ al to „000‟ (th e a ddres s is a n IMSI_S a ddres s ), th e m obile s ta tion 25

s h a ll decla re a n a ddres s m a tch if th e m obile s ta t ion ‟s IMSI_O is s et to IMSI_M, a n d 26

IMSI_O_Ss is equ a l to th e va lu e of th e IMSI_S s u bfield received in th e ADDRESS field (s ee 27

3 .1 .2 .2 .1 .1 ). 28

If th e ADDR_TYPE is equ a l to „001‟ (th e a ddres s is a n ESN a ddres s ), th e m obile s ta t ion sh a ll 29

decla re a n a ddress m a tch if th e a ddres s ed ESN is equ a l to th e m obile s ta t ion ‟s ESN. 30

If th e ADDR_TYPE is equ a l to „010‟ (th e a ddress is a n IMSI a ddress ), th e m obile s ta tion 31

s h a ll u se th e followin g p rocedu res : 32

• If IMS I_CLASS is equ a l to „0 ‟ a n d IMSI_CLASS_0_TYPE is equ a l to „00‟, th e m obile 33

s ta t ion sh a ll decla re a n a ddres s m a tch if th e followin g con dition s a re m et : 34

– Th e m obile s ta t ion ‟s IMSI_O is a cla s s 0 IMSI (s ee 2 .1 .1 .3 .1 .1 ), 35

– IMSI_O_11_12 s is equ al to IMSI_11_12 s , 36

– IMSI_O_Ss is equ a l to th e IMSI_S received in th e IMSI cla s s 0 type -specific 37

s u bfield (s ee 3 .1 .2 .2 .1 .1 ), a n d 38


YD/ T 1838 .3 -2008

2 -58

• If IMSI_CLASS is equ a l to „0 ‟ a n d IMSI_CLASS_0_TYPE is equ a l to „01‟, th e m obile 1




s u bfield (s ee 3 .1 .2 .2 .1 .1 ), 5

– IMSI_O_11_12 s is equ al to th e IMSI_11_12 received in th e IMSI cla s s 0 type-6

s pecific su bfield (s ee 3 .1 .2 .2 .1 .1 ), a n d 7

– Th e MCC_Os is equ a l to MCCs . 8





s u bfield (s ee 3 .1 .2 .2 .1 .1 ), 13


– MCC_Os is equ al to th e MCC received in th e IMSI cla s s 0 type -s pecific s u bfield 15

(s ee 3 .1 .2 .2 .1 .1 ). 16





s u bfield (s ee 3 .1 .2 .2 .1 .1 ), 21

– IMSI_O_11_12 s is equ al to th e IMSI_11_12 received in th e IMSI cla s s 0 type -22

s pecific su bfield (s ee 3 .1 .2 .2 .1 .1 ), a n d 23

– MCC_Os is equ al to th e MCC received in t h e IMSI cla s s 0 type-s pecific s u bfield 24

(s ee 3 .1 .2 .2 .1 .1 ). 25

• If IMSI_CLASS is equ a l to „1 ‟ a n d IMSI_CLASS_1_TYPE is equ a l to „0 ‟, th e m obile 26


– Th e m obile s ta t ion ‟s IMSI_O is a cla s s 1 IMSI (s ee 2 .1 .1 .3 .2 .1 ), 28


s u bfield (s ee 3 .1 .2 .2 .1 .1 ), 30

– IMSI_O_11_12 s is equ al to th e IMSI_11_12 received in th e IMSI cla s s 1 type -31

s pecific su bfield (s ee 3 .1 .2 .2 .1 .1 ), 32


– Th e IMSI_O_ADDR_NUMs is equ a l to IMSI_ADDR_NUM received in th e IMSI 34

cla s s 1 type-s pecific s u bfield (s ee 3 .1 .2 .2 .1 .1 ). 35

• If IMSI_CLASS is equ a l to „1 ‟ a n d IMSI_CLASS_1_TYPE is equ a l to „1 ‟, th e m obile 36


YD/ T 1838 .3 -2008

2 -59



s u bfield (s ee 3 .1 .2 .2 .1 .1 ), 3

– IMSI_O_11_12 s is equ al to th e IMSI_11_12 received in th e IMSI cla s s 1 type-4

s pecific su bfield (s ee 3 .1 .2 .2 .1 .1 ), 5

– MCC_Os is equ al to th e MCC received in th e IMSI cla s s 1 type -s pecific s u bfield 6

(s ee 3 .1 .2 .2 .1 .1 ), a n d 7

– Th e IMSI_O_ADDR_NUMs is equ a l to IMSI_ADDR_NUM received in th e IMSI 8

cla s s 1 type-s pecific s u b field (s ee 3 .1 .2 .2 .1 .1 ). 9

If th e ADDR_TYPE is equ al to „011‟ (th e a ddres s is a TMSI a ddres s ), th e m obile s ta t ion s h all 10

decla re a n a ddress m a tch if th e followin g con d ition s a re m et : 11

• Th e b its of TMSI_CODEs -p a re n ot a ll equ al to „1 ‟ a n d th e received ADDR_LE N is less 12

th a n or equ a l to fou r: 13




– Th e received ADDRESS (TMSI_CODE_ADDR) is equ a l to th e ADDR_LEN lea s t 17

s ign ifica n t octets of TMSI_CODE s -p , a n d 18

– Ea ch of th e fou r m in u s ADDR_LEN m os t s ign ifica n t octets of TMSI_CODE s -p a re 19

equ a l to „00000000‟. 20

• Th e b its of TMSI_CODEs -p a re n ot a ll equ al to „1 ‟ a n d th e received ADDR_LEN is 21

grea ter th a n fou r: 22

– Th e ASSIGNING_TMSI_ZONE_LENs -p m os t s ign ifica n t octets of th e received 23

ADDRESS (TMSI_ZONE) a re equ al to th e lea s t s ign ifica n t 24

ASSIGNING_TMSI_ZONE_LENs -p octets of TMSI_ZONE s -p , 25

– ADDR_LEN m in u s fou r is equ al to ASSIGNING_TMSI_ZONE_LENs -p , a n d 26

– Th e lea s t s ign ifican t fou r octets of ADDRESS (TMSI_CODE_ADDR) a re equ a l to 27

TMSI_CODE s -p . 28

If th e ADDR_TYPE is equ a l to „101‟ (th e a ddres s is a b roa dca s t a ddres s ), th e m obile s ta tion 29

s h a ll decla re a n a ddres s m a tch if th e followin g con d ition s a re m et : 30

• Th e m obile s ta t ion is con figu red to receive b roa dca s t a ddres s es ; 31

• Th e SDU ca rried by th e PDU is iden tified a s a Data B u rs t Mes s age (s ee 2 .1 .2 .3 .2 ); 32

• Th e ADDRESS field of th e PDU is equ al to a b roa dca s t a ddres s th a t th e m obile 33

s ta t ion is con figu red to receive. 34

2 .1 .2 .2 .2 .4 Determ in a tion of Addres s Mis m a tch 35

In order to a s s is t La yer 3 in determ in in g wh en th e m obile s ta t ion m a y s top m on itorin g th e 36

Pa gin g Ch an n el or th e Forwa rd Com m on Con trol Ch an n el for th e s a ke of power 37

YD/ T 1838 .3 -2008

2 -60

con s erva tion (s ee 2 .6 .2 .1 .1 .1 .1 .1 a n d 2 .6 .2 .1 .1 .1 .1 .2 of [5 ]), th e LAC Su b layer perform s 1

procedu res wh ich determ in e wh eth er or n ot a fu rth er pa ge or m obile s ta t ion -d irected 2

m es s a ge for th e m obile s ta t ion will be in clu ded in a s lot . Th e LAC Su bla yer exa m in es th e 3

a ddres s in g fields to determ in e if th ere is a n a dd res s m is m a tch . Wh en th e LAC Su b layer 4

determ in es th a t n o fu rth er pa ges or m obile s ta t ion -directed m es s ages for th e m obile s ta t ion 5

will be in clu ded in a Pa gin g Ch a n n el s lot or a Forwa rd Com m on Con trol Ch a n n el s lot , th e 6

LAC Su b layer s en ds a n a ddress m is m a tch in dica tion to La yer 3 . 7

2 .1 .2 .2 .2 .4 .1 Determ in a t ion of Addres s Mis m a tch for th e Gen eral Page Mes s age 8

Th e Gen eral Page Mes s age com m on fields (see 3 .1 .2 .3 .1 .2 ) ca n be u s ed to determ in e if th ere 9

is a n a ddres s m is m a tch . 10

• A m obile s ta t ion th a t h as a cla s s 0 IMSI a ddress type a s s ign ed , a n d does n ot h a ve a 11

TMSI a s s ign ed , ca n determ in e th a t th ere is a n a ddres s m is m a tch if th e 12

CLASS_0_DONE field of th e Gen eral Page Mess age is s et to „1 ‟. 13

• A m obile s ta t ion th a t h as a cla s s 1 IMSI a ddress type a s s ign ed , a n d does n ot h a ve a 14

TMSI a s s ign ed , ca n determ in e th a t th ere is a n a ddres s m is m a tch if th e 15

CLASS_1_DONE field of th e Gen eral Page Mess age is s et to „1 ‟. 16

• A m obile s ta t ion th a t h a s a cla ss 0 IMSI a ddres s type a s s ign ed , a n d h a s a TMSI 17

a s s ign ed , ca n determ in e th a t th ere is a n a ddress m is m a tch if th e CLASS_0_DONE 18

a n d th e TMSI_DONE fields of th e Gen eral Page Mes s age a re both set to „1 ‟. 19



a n d th e TMSI_DONE fields of th e Gen eral Page Mes s age a re both set to „1 ‟. 22



a n d th e ORDERED_TMSIS fields of th e Gen eral Page Mes s age a re both set to „1 ‟, 25

a n d th e m obile s ta tion p roces s es a pa ge record with a TMSI_CODE va lu e of h igh er 26

n u m erica l valu e th a n TMSI_CODE s -p . 27



a n d th e ORDERED_TMSIS fields of th e Gen eral Page Mes s age a re both set to „1 ‟, 30

a n d th e m obile s ta tion p roces s es a pa ge record with a TMSI_CODE va lu e of h igh er 31

n u m erica l valu e th a n TMSI_CODE s -p . 32

A m obile s ta t ion th a t is con figu red to receive b roa dca s t a ddres s es ca n determ in e th a t th ere 33

is a b roa dca s t a ddres s m is m a tch if a n y of th e a bove con d ition s is t ru e a n d th e 34

BROADCAST_DONE field of th e received Gen eral Page Mes s age is set to „1 ‟. 35

2 .1 .2 .2 .2 .4 .1 .1 Requ irem en ts for Determ in a t ion of Addres s Mis m a tch for th e Gen eral Page 36

Mess age 37

Wh en th e m obile s ta tion receives a Gen eral Page Mess age , th e LAC Su b la yer s h a ll s en d a n 38

a ddres s m is m a tch in d ica t ion to La yer 3 if a n y of th e followin g con d it ion s is s a tis fied : 39

YD/ T 1838 .3 -2008

2 -61

• Th e m obile s ta t ion h a s a cla s s 0 IMSI a s s ign ed , a ll th e bits of TMSI_CODE s -p a re 1

equ a l to „1 ‟, a n d th e CLASS_0_DONE field of th e Gen eral Page Mess age is s et to „1 ‟; 2

or 3

• Th e m obile s ta t ion h a s a cla s s 1 IMSI a s s ign ed , a ll th e bits of TMSI_CODE s -p a re 4

equ a l to „1 ‟, a n d th e CLASS_1_DONE field of th e Gen eral Page Mess age is s et to „1 ‟; 5

or 6

• Th e m obile s ta t ion h a s a cla s s 0 IMSI a s s ign ed , th e b its of TMSI_CODE s -p a re n ot 7

a ll equ al to „1 ‟, a n d th e CLASS_0_DONE a n d TMSI_DONE fields of th e Gen eral Page 8

Mess age a re both s et to „1 ‟; or 9


a ll equ al to „1 ‟, a n d th e CLASS_1_DONE a n d TMSI_DONE fields of th e Gen eral Page 11

Mess age a re both s et to „1 ‟; or 12


a ll equ al to „1 ‟, th e CLASS_0_DONE a n d ORDERED_TMSIS fields of th e Gen eral 14

Page Mes s age a re both s et to „1 ‟, a n d th e Gen eral Page Mes s age con ta in s a record 15

with TMSI_CODE valu e grea ter th a n TMSI_CODE s -p ; or 16


a ll equ al to „1 ‟, th e CLASS_1_DONE a n d ORDERED_TMSIS fields of th e Gen eral 18

Page Mes s age a re both s et to „1 ‟, a n d th e Gen eral Page Mes s age con ta in s a record 19

with TMSI_CODE valu e grea ter th a n TMSI_CODE s -p . 20

Th e LAC Su b la yer s h all s en d a b roa dca s t a ddress m is m a tch in dica tion to La yer 3 if a n y of 21

th e a bove con dit ion s is s a tis fied a n d th e BROADCAST_DONE bit of th e received Gen eral 22

Page Mes s age is set to „1 ‟. 23

2 .1 .2 .2 .2 .4 .2 Determ in a t ion of Addres s Mis m a tch for th e Un ivers al Page Mess age 24

Th e a ddres s in form a t ion from th e In terlea ved Addres s Fields (s ee 3 .1 .2 .1 .1 .2 .1 ) ca n be u s ed 25

to determ in e if th ere is a n a ddres s m is m a tch . If a port ion of, b u t n ot a ll of th e In terlea ved 26

Address Fields , h a s been received du e to s egm en ta t ion of th e Un ivers al Page Mes s age (s ee 27

3 .1 .2 .3 .2 .4 .2 .2 .2 ), th e m obile s ta t ion can determ in e wh eth er or n ot th ere is a n a ddres s 28

m is m a tch ba s ed u pon th e port ion received . If t h e m obile s ta tion h a s n ot yet determ in ed 29

th ere to be a n a ddres s m is m a tch , wh en a s u bs equ en t segm en t of th e Un ivers al Page 30

Mess age is received (s ee 2 .1 .2 .3 .2 .2 .1 ), th e m obile s ta t ion ca n aga in determ in e wh eth er or 31

n ot th ere is an a ddres s m is m a tch ba s ed u pon t h e portion of th e In terleaved Address Fields 32

s o fa r received . 33

A m obile s ta t ion th a t h a s a n IMSI a ddres s type a s s ign ed , a n d does n ot h a ve a TMSI 34

a s s ign ed ca n determ in e th a t th ere is a n a ddress m is m a tch if a com pa rison of th e port ion of 35

ea ch IMSI a ddress in clu ded in th e received portion of th e In terlea ved Addres s Fields with 36

th e corres pon din g b its of th e m obile s ta tion ‟s IMSI yields n o m a tch es . 37

A m obile s ta tion th a t h a s a n IMSI a ddres s type a s s ign ed , a n d h a s a TMSI a ss ign ed ca n 38

determ in e th a t th ere is a n a ddr es s m is m a tch if IMSI_INCLUDED equ a l to „0 ‟ a n d if a 39

com pa rison of th e port ion of ea ch TMSI a ddres s in th e received port ion of th e In terlea ved 40

Address Fields with th e corres pon d in g bits of th e m obile s ta tion ‟s TMSI yields n o m a tch es . 41

YD/ T 1838 .3 -2008

2 -62

A m obile s ta tion th a t h a s a n IMSI a ddres s type a s s ign ed , a n d h a s a TMSI a ss ign ed ca n 1

determ in e th a t th ere is a n a ddres s m is m a tch if a com pa rison of th e portion of ea ch IMSI 2

a ddres s in clu ded in th e received portion of th e In terlea ved Address Fields with th e 3

corres pon d in g bits of th e m obile s ta t ion ‟s IMSI yields n o m a tch es , a n d if a com pa ris on of 4

th e port ion of ea ch TMSI a ddres s in th e received port ion of th e In terlea ved Addres s Fields 5

with th e corres pon d in g b its of th e m obile s ta tion ‟s TMSI yields n o m a tch es . 6

2 .1 .2 .2 .2 .4 .2 .1 Requ irem en ts for Determ in a t ion of Addres s Mis m a tch for th e Un ivers al Page 7

Mess age 8

Ea ch t im e a segm en t of th e Un ivers al Page Mes s age is received (s ee 2 .1 .2 .3 .2 .2 .1 ), th e 9

m obile s ta tion s h all determ in e wh eth er or n ot th ere is a n a ddress m is m a tch . Th e LAC 10

Su bla yer s h a ll s en d a n a ddress m is m a tch in d ica t ion to La yer 3 if a n y of th e followin g 11

con d ition s is s a t is fied : 12

• Th e m obile s ta t ion h a s a n IMSI a s s ign ed , a ll th e b its of TMSI_CODE s -p a re equ a l to 13

„1 ‟, a n d IMSI_INCLUDED is equ al to „0 ‟; or 14

• Th e m obile s ta t ion h a s a n IMSI a s s ign ed , a ll th e b its of TMSI_CODE s -p a re equ a l to 15

„1 ‟, th e received portion of th e In terlea ved Address Fields con tain s a t lea s t on e 16

IMSI_S b it for ea ch m obile s ta tion with a n IMSI a ddres s type bein g pa ged , a n d a 17

com pa rison of th e port ion of ea ch IMSI a ddres s in clu ded in th e received port ion of 18

th e In terlea ved Addres s Fields with th e corres pon d in g b its of th e m obile s ta tion ‟s 19

IMSI yields n o m a tch es ; or 20

• Th e m obile s ta t ion h a s a n IMSI a s s ign ed , th e b its of TMSI_CODE s -p a re n ot a ll 21

equ a l to „1 ‟, a n d IMSI_INCLUDED is equ a l to „0 ‟ a n d TMSI_INCLUDED is equ a l to „0 ‟; 22

or 23


equ a l to „1 ‟, IMSI_INCLUDED is equ a l to „0 ‟, th e received port ion of th e In terlea ved 25

Address Fields con ta in s a t lea s t on e TMSI a ddress b it for ea ch m obile s ta tion with a 26

TMSI a ddress type bein g pa ged , a n d a com pa rison of th e port ion of ea ch TMSI 27

a ddres s in clu ded in th e received portion of th e In terlea ved Addres s Fields with th e 28

corres pon d in g b its of th e m obile s ta tion ‟s TMSI yields n o m a tch es ; or 29


equ a l to „1 ‟, TMSI_INCLUDED is equ a l to „0 ‟, th e received port ion of th e In terlea ved 31

Address Fields con ta in s a t lea s t on e IMSI_S b it for e a ch m obile s ta tion with a n IMSI 32

a ddres s type bein g paged , a n d a com pa rison of th e port ion of ea ch IMSI a ddres s 33

in clu ded in th e received port ion of th e In terlea ved Addres s Fields with th e 34

corres pon d in g b its of th e m obile s ta tion ‟s IMSI yields n o m a tch es . 35

YD/ T 1838 .3 -2008

2 -63


equ a l to „1 ‟, th e received port ion of th e In terlea ved Addres s Fields con ta in s a t lea s t 2

on e IMSI_S b it for ea ch m obile s ta tion with a n IMSI a ddres s type bein g paged a n d 3

con ta in s a t lea s t on e TMSI a ddres s b it for ea ch m obile s ta tion with a TMSI a ddres s 4

type bein g pa ged , a com pa ris on of th e port ion of ea ch IMSI a ddress in clu ded in th e 5

received port ion of th e In terlea ved Address Fields with th e corres pon d in g b its of th e 6

m obile s ta tion ‟s IMSI yields n o m a tch es , a n d a com pa ris on of th e port ion of ea ch 7

TMSI a ddress in clu ded in th e received port ion of th e In terlea ved Addres s Fields with 8

th e corres pon din g b its of th e m obile s ta tion ‟s TMSI yields n o m a tch es . 9

Ea ch t im e a segm en t of th e Un ivers al Page Mes s age is received (s ee 2 .1 .2 .3 .2 .2 .1 ), th e 10

m obile s ta t ion s h a ll determ in e wh eth er or n ot th ere is a b roa dca s t a ddress m is m a tch . Th e 11

LAC Su b layer s h a ll s en d a b roa dca s t a ddres s m is m a tch in d ica t ion to La yer 3 if a n y of th e 12

followin g con dition s is s a t is fied : 13

• BCAST_INCLUDED is equ a l to „0 ‟; or 14

• Th e m obile s ta t ion h a s on e or m ore b roa dca s t a ddres s es a s s ign ed , th e received 15

port ion of th e In terlea ved Addres s Fields con tain s a t lea s t on e BCAST_ADDR_BIT b it 16

for ea ch b roa dca s t pa ge, a n d a com pa rison o f th e port ion of ea ch b roa dca s t a ddres s 17

in clu ded in th e received port ion of th e In terlea ved Addres s Fields with th e 18

corres pon d in g b its of th e b roa dca s t a ddres s es th e m obile s ta t ion is con figu red to 19

receive yields n o m a tch es . 20

2 .1 .2 .2 .3 Accu m u la ted Addres s in g Sta t is t ics for f-cs ch 21

Th e m obile s ta t ion s h a ll m a in ta in th e 16 -bit cou n ters s h own in Ta ble 2 .1 .2 .2 .3 -1 . 22

Table 2 .1 .2 .2 .3 -1 . Accu mulated Address ing Statis tics for f-cs ch 23

Cou nter


PAG_3 Nu m ber of Pa gin g Ch a n n el m es s a ges or records

received by th e m obile s ta t ion th a t were a ddres s ed to it

FCCCH_3 Nu m ber of Forwa rd Com m on Con trol Ch a n n el

m es s a ges or records received by th e m obile s ta tion

th a t were a ddress ed to it

24

Th e m obile s ta t ion s h all in it ia lize ea ch cou n ter in Ta b le 2 .1 .2 .2 .3 -1 to zero u pon power -u p . 25

Th e m obile s ta t ion sh a ll n ot re -in itia lize a n y of th e cou n ters a t a n y oth er t im e excep t u pon 26

com m a n d from th e ba se s ta t ion . Ea ch cou n ter s h a ll be m a in ta in ed m odu lo 2 1 6 . 27

Th e m obile s ta t ion sh a ll in crem en t th e cou n ter PAG_3 for ea ch re cord or m es s age th a t it 28

receives on th e Pa gin g Ch a n n el a ddres sed to th e m obile s ta tion . Th e PAG_3 cou n ter s h all 29

n ot be in crem en ted for m es s a ges detected a s du plica tes or for a ckn owledgm en ts . Th e 30

m obile s ta t ion s h a ll in crem en t th e cou n ter FCCCH_3 for ea ch record or m es s a ge th a t it 31

receives on th e Forwa rd Com m on Con trol Ch a n n el a ddres sed to th e m obile s ta t ion . Th e 32

YD/ T 1838 .3 -2008

2 -64

FCCCH_3 cou n ter s h a ll n ot be in crem en ted for m es s a ges detected a s du plica tes or for 1

a ckn owledgm en ts . 2


2 .1 .2 .3 .1 Pa ra m eters 4

Th e m obile s ta t ion s h a ll u s e th e fields defin ed in 3 .1 .2 .3 .1 for PDUs received on th e f-cs ch . 5

2 .1 .2 .3 .2 Procedu res 6

Th e m obile s ta tion s h a ll iden t ify a PDU h a vin g a len gth of 2 b its , with th e b its equ a l to „0 ‟, 7

a s a Nu ll PDU. Th e m obile s ta tion s h a ll dis ca rd a Nu ll PDU, if on e is received . Th e m obile 8

s ta t ion s h a ll iden t ify th e SDU ca rried by th e received PDU bas ed u pon th e MSG_TYPE field 9

a s s h own in Ta b le 3 .1 .2 .3 .1 .1 .2 -1 . If s u ch iden tifica t ion is n ot pos s ible, th e m obile s ta t ion 10

s h a ll d isca rd th e PDU. Wh en ever th e m obile s ta t ion receives a va lid PDU on th e f-cs ch , it 11

s h a ll ra is e a n in d ica t ion to th e Upper La yers th a t a va lid PDU h a s been received . 15 12

If th e m obile s ta tion receives a va lid PDU, th e m obile s ta t ion sh a ll do th e followin g: 13

• If th e ENC_FIELDS_INCL field of th e received PDU is equ a l to „1 ‟, th e LAC Su bla yer 14

s h a ll m a ke th e SDU in clu ded in th e PDU a vaila b le to La yer 3 , togeth er with th e 15

Exten ded-En cryp tion fields (see 3 .1 .2 .3 .1 .3 .1 ). 16


s h a ll m a ke th e SDU in clu ded in th e PDU a va ila b le to La yer 3 , togeth er with 18

SDU_ENCRYPT_MODE s et to „000‟. 19

2 .1 .2 .3 .2 .1 Procedu res for Process in g of th e Gen eral Page Mes s age 20

If th e received PDU corres pon ds to a Gen eral Page Mes s age , th e m obile s ta tion s h all rem ove 21

th e GPM Com m on fields (s ee 3 .1 .2 .3 .1 .2 .1 ) from th e PDU. Th es e fields a re m a de a va ila b le 22

to th e Addres s in g Su bla yer a n d La yer 3 for fu rth er p roces s in g. 23

2 .1 .2 .3 .2 .2 Procedu res for Process in g of th e Un ivers al Page Mes s age 24

If th e received PDU is a UPM Firs t S egm en t PDU or a n Un s egm en ted UPM PDU (see 25

3 .1 .2 .3 .2 .4 .2 .2 .2 ), th e m obile s ta tion s h a ll rem ove th e UPM Com m on fields (see 26

3 .1 .2 .3 .1 .4 .1 ) from th e PDU. Th ese fields a re m a de a va ila b le to La yer 3 for fu rth er 27

proces s in g. 28

2 .1 .2 .3 .2 .2 .1 Procedu res for Rea s sem bly of th e Un ivers al Page B lock 29

Th e m obile s ta tion sh a ll a s sem ble th e Un ivers al Page B lock from received PDUs u s in g th e 30

followin g p rocedu re, or equ iva len t : 31

15 Th ese in d ica tion s are u sed by th e Upp er Layers to m ain ta in th e t im ers u sed for f-cs ch m on itor in g

(T21m , T30m , T40m , a n d T72m ).

YD/ T 1838 .3 -2008

2 -65

• A rea s s em bly bu ffer la rge en ou gh to a ccom m oda te th e m a xim u m s ize Un ivers al 1

Page B lock sh a ll be a va ila b le. Th e rea ss em bly bu ffer s h a ll be em ptied a t th e 2

begin n in g of every Forwa rd Com m on Con trol Ch an n el s lot a n d every tim e th e m obile 3

s ta t ion receives a PDU oth er th a n a UPM Firs t S egm en t PDU , a UPM Midd le 4

S egm en t PDU, or a UPM Fin al S egm en t PDU . 5

• If th e received PDU is a UPM Firs t S egm en t PDU , th e m obile s ta t ion s h a ll perform 6

th e followin g: 7

– Th e m obile s ta t ion s h a ll em pty th e rea s sem bly bu ffer , a n d 8

– Th e m obile s ta t ion s h a ll p la ce th e Firs t Segm en t of th e Un ivers al Page B lock 9

from th e UPM Firs t S egm en t PDU a t th e begin n in g of th e rea s sem bly bu ffer . 10

• If th e received PDU is a UPM Middle S egm en t PDU , th e m obile s ta t ion sh a ll perform 11

th e followin g: 12

– If th e rea s s em bly bu ffer is em pty th e m obile s ta tion s h a ll d is ca rd th e received 13

PDU; oth erwise, 14

– If th e va lu e of th e UPM_SEGMENT_SEQ is grea ter th a n „00‟ a n d th e m obile 15

s ta t ion h as n ot received a n y UPM Midd le S egm en t PDU from wh ich th e bu ffer 16

h a s been filled , th e m obile s ta t ion s h a ll em pty th e rea s s em bly bu ffer a n d s h all 17

d is ca rd th e received PDU; oth erwise, 18

– If th e va lu e of th e UPM_SEGMENT_SEQ is grea ter th a n „00‟ a n d is n ot equ a l to 19

on e p lu s th e UPM_SEGMENT_SEQ of th e m os t recen tly received PDU from 20

wh ich th e bu ffer h a s been filled , th e m obile s ta t ion s h a ll em pty th e rea s sem bly 21

bu ffer a n d s h a ll d isca rd th e received PDU; oth erwis e, 22

– Th e m obile s ta t ion s h a ll a ppen d th e Midd le Segm en t of th e Un ivers al Page Block 23

from th e UPM Midd le S egm en t PDU to th e con ten ts of th e rea s sem bly bu ffer . 24

• If th e received PDU is a UPM Fin al S egm en t PDU, th e m obile s ta t ion s h a ll perform 25

th e followin g: 26

– If th e rea s s em bly bu ffer is em pty th e m obile s ta tion s h a ll d is ca rd th e received 27

PDU; oth erwise, 28

– If th e va lu e of th e UPM_SEGMENT_SEQ is grea ter th a n „00‟ a n d th e m obile 29

s ta t ion h as n ot received a n y UPM Midd le S egm en t PDU from wh ich th e bu ffer 30

h a s been filled , th e m obile s ta t ion s h a ll em pty th e rea s s em bly bu ffer a n d s h all 31

d is ca rd th e received PDU; oth erwise, 32

– If th e va lu e of th e UPM_SEGMENT_SEQ is grea ter th a n „00‟ a n d is n ot equ a l to 33

on e p lu s th e UPM_S EGMENT_SEQ of th e m os t recen tly received PDU from 34

wh ich th e bu ffer h a s been filled , th e m obile s ta t ion s h a ll em pty th e rea s sem bly 35

bu ffer a n d s h a ll d isca rd th e received PDU; oth erwis e, 36

YD/ T 1838 .3 -2008

2 -66

– Th e m obile s ta t ion s h a ll a ppen d th e Fin al Segm en t of th e Un ivers al Page B lock 1

from th e UPM Fin al S egm en t PDU to th e con ten ts of th e rea s s em bly bu ffer . Th e 2

m obile s ta tion s h all th en forwa rd th e con ten t of th e rea s s em bly bu ffer to th e 3

Address in g Su bla yer in order to en a b le th e Page Ma tch Procedu re for th e 4

Un ivers al Pa ge Mes s age (s ee 2 .1 .2 .2 .2 .2 ). Th e m obile s ta t ion sh a ll th en em pty 5

th e rea s sem bly bu ffer . 6

Wh en con ten t from a PDU is in t rodu ced in to th e rea s s em bly bu ffer , th e Utility Su bla yer 7

s h a ll forwa rd th e portion of th e Un ivers al Page Block rea s sem bled so fa r to th e Addres s in g 8

Su bla yer in order to en a ble pa rt ia l a ddress com pa ris on (see 2 .1 .2 .2 .2 .4 ). 9

2 .1 .2 .4 Segm en ta t ion a n d Reas s em bly (SAR) Su bla yer 10

2 .1 .2 .4 .1 Pa ra m eters 11

Th e m obile s ta t ion s h all u se th e pa ra m eters defin ed in 3 .1 .2 .4 .1 .1 for opera t ion on th e 12

f-cs ch . 13

2 .1 .2 .4 .2 Procedu res 14

Th e m obile s ta t ion s h a ll m a in ta in th e cou n ters des cribed in Section 2 .1 .2 .4 .3 . 15

Th e m obile s ta tion s h all a ss em ble PDUs from en ca ps u la ted PDU fra gm en ts received on th e 16

s yn c ch an n el u s in g th e followin g p rocedu re: 17

• A rea s s em bly bu ffer la rge en ou gh to a ccom m oda te th e la rges t en ca psu la ted PDU 18

s h a ll be a va ila b le. Th e rea ss em bly bu ffer s h all be em pty in itia lly a n d sh a ll be 19

em ptied a t th e en d of ea ch syn c ch a n n el s u perfra m e. 20

• Wh en a n en ca ps u la ted PDU fra gm en t is received : 21

– If th e SOM pa ra m eter is equ al to „1 ‟: 22

+ Th e cu rren t con ten ts of th e rea ss em bly bu ffer , if a n y, s h all be dis ca rded (th e 23

rea s s em bly bu ffer becom es em pty). 24

+ Th e en ca psu la ted PDU fra gm en t (wh ich correspon ds to th e begin n in g of a 25

PDU) s h all be pla ced in th e bu ffer (with ou t th e SOM pa ra m eter). Th e firs t 26

eigh t b its s h all be in terp reted a s th e MSG_LENGTH pa ra m eter a s s ocia ted 27

with th e PDU. If MSG_LENGTH is les s th an five, th e rea s s em bly bu ffer s h a ll 28

be em ptied . 29

– If th e SOM pa ra m eter is equ al to „0 ‟: 30

+ If th e rea s s em bly bu ffer is em pty, th e en ca psu la ted PDU fra gm en t sh a ll be 31

d is ca rded . 32

+ If th e rea s s em bly bu ffer is n ot em pty, th e en ca psu la ted PDU fra gm en t (wh ich 33

corres pon ds to a su bs equ en t pa rt of th e PDU bein g received) s h all be 34

a ppen ded to th e con ten ts of th e rea s sem bly bu ffer (with ou t th e SOM 35

pa ra m eter). 36

YD/ T 1838 .3 -2008

2 -67

– If th e rea s s em bly bu ffer is n ot em pty a n d if th ere a re a t lea s t MSG_LENGTH 1

octets in th e bu ffer , th e da ta rep res en tin g th e firs t MSG_LENGTH 8 - 30 b its in 2

th e bu ffer s h a ll be ru n th rou gh th e 30 -bit CRC com pu ta t ion s pecified in 3

2 .1 .1 .5 .1 .2 . Th e res u lt of th e com pu ta t ion s h all be com pa red with th e 30 -b its 4

loca ted in th e rea ss em bly bu ffer a fter th e firs t MSG_LENGTH 8 - 30 b its a n d 5

th e followin g a ct ion s s h all be ta ken : 6

+ If th e com pu ted CRC is equ al to th e received CRC, th e PDU is con s idered to 7

h a ve been correct ly received a n d rea s s em bled . Th e con ten ts of th e 8

rea s s em bly bu ffer , s ta r t in g with th e n in th b it a n d en d in g with th e bit h a vin g 9

th e ordin al MSG_LENGTH 8 - 30 , a re t rea ted a s a va lid PDU a n d s h all be 10

pa s s ed u p th e p rotocol s ta ck . 11

+ If th e com pu ted CRC is n ot equ al to th e received CRC, th e con ten t of th e 12

rea s s em bly bu ffer s h all be dis ca rded (th e bu ffer becom es em pty). 13

Th e m obile s ta tion sh a ll a s s em ble PDUs from en ca ps u la ted PDU fra gm en t s received on f-14

cs ch logica l ch a n n els oth er th a n th e s yn c ch a n n el u s in g th e followin g p rocedu re: 15

• A rea s s em bly bu ffer la rge en ou gh to a ccom m oda te a ll of th e b its in a ll of th e f-cs ch 16

pa rt ia l-fra m es (h alf-fra m es for th e Pa gin g Ch a n n el) n eces s a ry to t ra n s fer th e la rges t 17

poss ible en ca psu la ted PDU s h all be a vaila ble. Th e rea s s em bly bu ffer s h all be em pty 18

in it ia lly. Th e rea s s em bly bu ffer s h ou ld be em ptied wh en th e m obile s ta tion s tops 19

m on itorin g th e ph ys ical ch a n n el(s ) wh ich ca rry th e f-cs ch t ra ffic. 20


– If th e en ca psu la ted PDU fra gm en t is received on a Pa gin g Ch a n n el: 22

+ If th e SCI pa ra m eter is equ a l to „1 ‟: 23

Th e cu rren t con ten ts of th e rea ss em bly bu ffer , if a n y, s h all be dis ca rded 24

(th e rea s s em bly bu ffer becom es em pty). 25

Th e en ca psu la ted PDU fra gm en t (wh ich correspon ds to th e begin n in g of 26

a PDU) sh a ll be p la ced in th e bu ffer (with ou t th e SCI pa ra m eter). Th e 27

firs t eigh t b its s h all be in terp reted a s th e MSG_LENGTH pa ra m eter 28

a s s ocia ted with th e PDU. If MSG_LENGTH is les s th a n five, th e 29

rea s s em bly bu ffer s h all be em ptied . 30


If th e rea s s em bly bu ffer is em pty, th e en ca psu la ted PDU fra gm en t sh a ll 32

be d isca rded . 33

If th e rea s s em bly bu ffer is n ot em pty, th e en ca psu la ted PDU fra gm en t 34

(wh ich corres pon ds to a s u bs equ en t pa rt of th e PDU bein g received) sh a ll 35

be a ppen ded to th e con ten ts of th e rea ss em bly bu ffer (with ou t th e SCI 36

pa ra m eter). 37

– If th e en ca psu la ted PDU fra gm en t is received on th e Broa dcas t Ch a n n el: 38

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2 -68


Th e cu rren t con ten ts of th e rea s s em bly bu ffer , if a n y, s h all be dis ca rded 2



a PDU) sh a ll be p la ced in th e bu ffer (with ou t th e SCI pa ra m eter). Th e 5

firs t b it s h all be in terp reted a s th e EXT_MSG_LENGTH pa ra m eter . 6

If EXT_MSG_LENGTH is equ al to „0 ‟, th e n ext seven b its sh a ll be 7

in terp reted a s th e MSG_LENGTH pa ra m eter a s s ocia ted with th e PDU. 8

If MSG_LENGTH is less th a n s ix, th e rea s s em bly bu ffer s h a ll be 9

em ptied . 10

If EXT_MSG_LENGTH is equ al to „1 ‟, th e n ext 15 b its sh a ll be 11


If MSG_LENGTH is less th a n 128 , th e rea s s em bly bu ffer s h a ll be 13

em ptied . 14



be d isca rded . 17



be a ppen ded to th e con ten ts of th e rea ss em bly bu ffer (with ou t th e SCI 20

pa ra m eter). 21

– If th e en ca psu la ted PDU fra gm en t is received on th e Forwa rd Com m on Con trol 22

Ch a n n el: 23

+ If th e SI pa ra m eter is equ a l to „01‟: 24

Th e cu rren t con ten ts of th e rea ss em bly bu ffer , if a n y, s h all be dis ca rded 25



a PDU) sh a ll be p la ced in th e bu ffer (with ou t th e SI pa ra m eter). Th e firs t 28

b it s h all be in terp reted a s th e EXT_MSG_LENGTH pa ra m eter . 29



If MSG_LENGTH is less th a n s ix, th e rea s s em bly bu ffer s h a ll be 32

em ptied . 33

If EXT_MSG_LENGTH is equ al to „1 ‟, th e n ext 15 b its sh a ll be 34


If MSG_LENGTH is less th a n 128 , th e rea s s em bly bu ffer s h a ll be 36

em ptied . 37

+ If th e SI pa ra m eter is equ a l to „00‟: 38

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2 -69


be d isca rded . 2



be a ppen ded to th e con ten ts of th e rea ss em bly bu ffer (with ou t th e SI 5

pa ra m eter). 6

+ If th e SI pa ra m eter is equ a l to „10‟ or „11‟, th e en ca ps u la ted PDU fra gm en t 7

a n d th e cu rren t con ten ts of th e rea s s em bly bu ffer , if a n y, s h a ll be dis ca rded 8



octets in th e bu ffer , th e da ta rep res en t in g th e firs t MSG_LENGTH 8 - 30 b its in 11


2 .1 .1 .5 .1 .2 . Th e res u lt of th e com pu ta t ion s h all be com pa red with th e 30 b its 13




h a ve been correct ly received a n d rea s s em bled . Th en : 17

If th e PDU is received on a Pa gin g Ch a n n el: 18

Th e con ten ts of th e rea ss em bly bu ffer , s ta r t in g with th e n in th bit a n d 19

en din g with th e b it h a vin g th e ord in a l MSG_LENGTH 8 - 30 , a re 20

t rea ted a s a va lid PDU a n d sh a ll be pa s s ed u p th e p rotocol s ta ck . 21

Th e firs t MSG_LENGTH 8 b its in th e rea s sem bly bu ffer s h a ll be 22

s h ifted ou t a n d d is ca rded in su ch a wa y th a t th e rem a in in g b its , if 23

a n y, a re s tored a t th e begin n in g of th e bu ffer . 24

If th ere a re a t lea s t eigh t b its left in th e rea ss em bly bu ffer a n d th e 25

firs t eigh t b its from th e begin n in g of th e rea ss em bly bu ffer b in a ry 26

en code a n u n s ign ed in teger grea ter th a n or equ a l to five, th en th e 27

eigh t b its s h all be in terp reted a s th e MSG_LENGTH pa ra m eter for a 28

n ew PDU a n d th e p rocess s h all con tin u e; oth erwis e, th e rea s sem bly 29

bu ffer s h a ll be em ptied . 30

If th e PDU is received on th e Forwa rd Com m on Con trol Ch a n n el or 31

Broa dca s t Ch a n n el: 32

If EXT_MSG_LENGTH is equ al to „0 ‟, th e con ten ts of th e rea s sem bly 33

bu ffer , s ta r t in g with th e 9 th b it a n d en din g with th e b it h a vin g th e 34

ord in a l MSG_LENGTH 8 - 30 , a re t rea ted a s a va lid PDU a n d sh a ll 35

be pa s s ed u p th e p rotocol s ta ck . 36


bu ffer , s ta r t in g with th e 17 th b it a n d en d in g with th e b it h a vin g th e 38



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2 -70

Th e firs t MSG_LENGTH 8 b its in th e rea s sem bly bu ffer s h a ll be 1

s h ifted ou t a n d d is ca rded in su ch a wa y th a t th e rem a in in g b its , if 2

a n y, a re s tored a t th e begin n in g of th e bu ffer . 3

Th e rem a in in g b its in th e rea s sem bly bu ffer s h a ll be d isca rded excep t 4

for th e followin g cas es : 5

> If th ere a re a t lea s t s ixteen b its left in th e rea ss em bly bu ffer with 6

th e firs t b it equ a l to „1 ‟ a n d th e n ext 15 b its bin a ry en codin g a n 7

u n s ign ed in teger grea ter th a n or equ a l to 128 , th en th e 15 bits 8

s h a ll be in terp reted a s th e MSG_LENGTH pa ra m eter for a n ew 9

PDU a n d th e p rocess s h all con tin u e. 10

> Oth erwis e, if th ere a re a t lea s t eigh t b its left in th e rea s s em bly 11

bu ffer with th e firs t bit equ al to „0 ‟ a n d th e n ext seven b its bin a ry 12

en codin g a n u n s ign ed in teger grea ter th a n or equ a l to s ix, th en 13

th e s even b its sh a ll be in terp reted a s th e MSG_LENGTH 14

pa ra m eter for a n ew PDU a n d th e p roces s sh a ll con t in u e. 15

+ If th e com pu ted CRC is n ot equ al to th e received CRC, th e con ten ts of th e 16


2 .1 .2 .4 .3 Accu m u la ted S ta tis tics for f-csch 18

Th e m obile s ta t ion s h a ll m a in ta in th e 24 -bit cou n ters s h own in Ta ble 2 .1 .2 .4 .3 -1 . 19

20

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2 -71

Table 2 .1 .2 .4 .3 -1 . Accu mulated Statis tics for f-csch 1

Cou nter


PAG_1 Nu m ber of Pa gin g Ch a n n el en ca ps u la ted PDUs th e

m obile s ta tion a t tem pted to receive

PAG_2 Nu m ber of Pa gin g Ch a n n el en ca ps u la ted PDUs received

by th e m obile s ta tion with a CRC th a t does n ot m a tch

PAG_4 Nu m ber of Pa gin g Ch a n n el h a lf-fra m es received by th e

m obile s ta tion

PAG_5 Nu m ber of Pa gin g Ch a n n el h a lf-fra m es th a t con ta in

a n y pa rt of a m es s a ge with a CRC th a t m a tch es

BCCH_1 Nu m ber of Broa dcas t Ch a n n el en ca psu la ted PDUs th e

m obile s ta tion a t tem pted to receive

BCCH_2 Nu m ber of Broa dcas t Ch a n n el en ca psu la ted PDUs

received by th e m obile s ta t ion with a CRC th a t does

n ot m a tch

BCCH_3 Nu m ber of Broa dcas t Ch a n n el pa rt ia l-fra m es received

by th e m obile s ta tion

BCCH_4 Nu m ber of Broa dcas t Ch a n n el pa rt ia l-fra m es received

by th e m obile s ta tion with a CRC th a t m a tch es


en ca ps u la ted PDUs th e m obile s ta tion a t tem pted to

receive


en ca ps u la ted PDUs received by th e m obile s ta tion with

a CRC th a t does n ot m a tch

2

Th e m obile s ta t ion s h all in it ia lize ea ch cou n ter in Ta b le 2 .1 .2 .4 .3 -1 to zero u pon power -u p . 3

Th e m obile s ta t ion sh a ll n ot re -in itia lize a n y of th e cou n ters a t a n y oth er t im e excep t u pon 4

com m a n d from th e ba se s ta t ion . Ea ch cou n ter s h a ll be m a in ta in ed m odu lo 2 2 4 . 5

Th e m obile s ta t ion sh a ll in crem en t th e cou n ter PAG_1 for ea ch CRC th a t it tes ts for a n 6

en ca ps u la ted PDU received on a Pagin g Ch a n n el. Th e m obile s ta t ion s h all in crem en t th e 7

cou n ter PAG_2 for ea ch in va lid Pa gin g Ch an n el en ca ps u la ted PDU. Th e m obile s ta t ion 8

s h a ll in crem en t th e cou n ter PAG_4 for ea ch Pa gin g Ch a n n el h a lf-fra m e th a t it receives . Th e 9

m obile s ta t ion s h a ll in crem en t th e cou n ter PAG_5 for ea ch Pa gin g Ch a n n el h a lf-fra m e th a t 10

con ta in s a n y pa rt of a va lid en ca ps u la ted PDU. 11

Th e m obile s ta t ion s h all in crem en t th e cou n ter BCCH_1 for ea ch CRC th a t it tes ts for a n 12

en ca ps u la ted PDU received on th e Broa dca s t Ch a n n el. Th e m obile s ta t ion s h a ll in crem en t 13

th e cou n ter BCCH_2 for ea ch in va lid Broa dca s t Ch a n n el en ca ps u la ted PDU. Th e m obile 14

s ta t ion sh a ll in crem en t th e cou n ter BCCH_3 for ea ch Broa dca s t Ch a n n el fra m e th a t it 15

YD/ T 1838 .3 -2008

2 -72

receives . Th e m obile s ta t ion sh a ll in crem en t th e cou n ter BCCH_4 for ea ch Broa dcas t 1

Ch a n n el fra m e th a t con ta in s a n y pa rt of a va lid en ca psu la ted PDU. 2

Th e m obile s ta tion sh a ll in crem en t th e cou n ter FCCCH_1 for ea ch CRC th a t it te s ts for a n 3

en ca ps u la ted PDU received on th e Forwa rd Com m on Con trol Ch a n n el. Th e m obile s ta tion 4

s h a ll in crem en t th e cou n ter FCCCH_2 for ea ch in va lid Forwa rd Com m on Con trol Ch an n el 5

en ca ps u la ted PDU. 6

2 .2 Dedicated Channel Operation 7

Th e m obile s ta tion s h a ll m eet th e requ irem en ts s pecified in 2 .2 .1 for opera t ion on th e 8

r-ds ch a n d in 2 .2 .2 for opera t ion on th e f-dsch . 9

2 .2 .1 Tra n s m is s ion on r -ds ch 10

Th e m obile s ta t ion sh a ll m eet th e requ irem en ts s pecified in 2 .2 .1 .1 .2 .2 , 2 .2 .1 .2 .2 a n d 11

2 .2 .1 .3 .2 . 12

2 .2 .1 .1 ARQ Su b layer 13

2 .2 .1 .1 .1 Pa ra m eters 14

To s u pport th e ARQ m ech a n is m on th e dedica ted ch a n n els , th e m obile s ta tion s h all u s e th e 15

ARQ fields defin ed in 2 .2 .1 .1 .1 .1 for PDUs t ra n sm it ted on th e r -ds ch . Th e m obile s ta t ion 16

s h a ll s et th e ARQ fields a ccord in g to th e requ irem en ts in 2 .2 .1 .1 .1 .2 . 17

2 .2 .1 .1 .1 .1 Defin ition of ARQ Fields 18

Th e ARQ fields for PDUs t ra n s m it ted on th e r -ds ch h a ve th e followin g form a t : 19

20


ACK_SEQ 2 or 3

MSG_SEQ 2 or 3

ACK_REQ 1

21

ACK_SEQ - Ackn owledgm en t sequ en ce n u m ber. 22

Th is field con ta in s th e va lu e of th e MSG_SEQ field of a regu la r 23

PDU (3 b its ) or a m in i PDU (2 b its ) received on th e f-ds ch a n d 24

a ckn owledged on th e r -ds ch . If n o PDU requ irin g 25

a ckn owledgm en t h a s been received , a ll b its of th e field a re s et 26

to „1 ‟. 27

MSG_SEQ - Mess a ge sequ en ce n u m ber. 28

Th is field con ta in s th e m es s a ge s equ en ce n u m ber for th e 29

regu la r PDU (3 b its ) or th e m in i PDU (2 b its ) to be s en t on th e 30

r-ds ch . 31

ACK_REQ - Ackn owledgm en t requ ired in d ica tor . 32

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2 -73

Th is field in dica tes wh eth er th e PDU bein g s en t on th e r -dsch 1

requ ires a n a ckn owledgm en t from th e ba s e s ta tion . Th e 2

ACK_REQ field is set to „1 ‟ to requ es t a n a ckn owledgm en t a n d 3

to „0 ‟ oth erwis e. 4

2 .2 .1 .1 .1 .2 Requ irem en ts for Set tin g ARQ Fields 5

Th e m obile s ta t ion s h a ll s et th e ACK_REQ field of PDUs t ra n s m itted on th e r-ds ch to: 6

• „1 ‟ to requ es t a n a ckn owledgm en t from th e ba s e s ta t ion , or 7

• „0 ‟ to in dica te to th e ba s e s ta tion th a t a n a ckn owledgm en t is n ot requ es ted . 8

Th e m obile s ta t ion sh a ll set th e MSG_SEQ field of th e PDU bein g t ra n s m itted on th e r -dsch 9

a ccordin g to th e followin g p rocedu res : 10

• For PDUs requ ir in g a ckn owledgm en t , th e m obile s ta t ion u s es th e m ess a ge sequ en ce 11

n u m ber va ria b les MSG_SEQ_ACKs for regu la r PDUs a n d u s es M_MSG_SEQ_ACKs 12

for m in i PDUs . Wh en th e m obile s ta tion p repa res a n ew regu la r PDU or m in i PD U 13

requ ir in g a ckn owledgm en t for t ra n s m is s ion on th e r -ds ch , th e m obile s ta t ion sh a ll 14

s et th e MSG_SEQ field of th e PDU to MSG_SEQ_ACKs or M_MSG_SEQ_ACKs , 15

res pectively. In s u bs equ en t ret ra n s m is s ion s of th e PDU, th e m obile s ta t ion sh a ll s et 16

th e MSG_SEQ field to th e s a m e va lu e u s ed for th e in itia l t ra n s m is s ion of th a t PDU. 17

• For PDUs n ot requ ir in g a ckn owledgm en t , th e m obile s ta t ion u s es th e m ess a ge 18

s equ en ce n u m ber va ria b les MSG_SEQ_NOACKs for regu la r PDUs a n d u ses 19

M_MSG_SEQ_NOACKs for m in i PDUs . Wh en th e m obile s ta tion p repa res a n ew 20

regu la r PDU or m in i PDU n ot requ ir in g a ckn owledgm en t for t ra n s m is s ion on th e 21

r-ds ch , th e m obile s ta t ion sh a ll s et th e MSG_SEQ field of th e PDU to 22

MSG_SEQ_NOACKs or M_MSG_SEQ_NOACKs , res pectively. 23

Th e m obile s ta tion sh a ll s et th e ACK_SEQ field of regu la r PDUs a n d m in i PDUs t ra n s m it ted 24

on th e r -ds ch to th e MSG_SEQ field of a regu la r PDU or m in i PDU, res pectively, p reviou s ly 25

received on th e f-ds ch a n d bein g a ckn owledged . If n o PDU requ irin g a ckn owledgm en t h a s 26

been received s in ce r -ds ch wa s a cqu ired , th e m obile s ta tion s h all s et a ll b its of th e 27

ACK_SEQ field to „1 ‟. 28

2 .2 .1 .1 .2 Procedu res 29


Both PDUs requ irin g a ckn owledgm en t a n d th ose n ot requ irin g a ckn owledgm en t a re sen t on 31

th e r -ds ch . Th e order of delivery of eith er type of PDU is n ot gu a ra n teed . Th e p rocedu re for 32

PDUs requ irin g a ckn owledgm en t is a s elective repea t s ch em e in wh ich a PDU is 33

ret ra n s m it ted on ly if a n a ckn owledgm en t for th e PDU is n ot received before th e expi ra t ion 34

of a t im er. PDUs n ot requ irin g a ckn owledgm en t a re n ot ret ra n s m it ted . 35

Th e LAC Su b layer is n otified a s s oon a s a PDU is a ctu a lly t ra n s m it ted by th e MAC Su bla yer. 36

At th is t im e, for a PDU requ irin g a ckn owledgm en t , th e ARQ Su b la yer on th e t ra n s m it ter 37

s ide s tores th e PDU a n d s ta rts a t im er. If th e ARQ Su b layer on th e t ra n s m it ter s ide 38

receives an in d ica t ion from th e ARQ Su b layer on th e receiver s ide th a t a n a ckn owledgm en t 39

for th e t ra n s m it ted PDU wa s received on th e f-ds ch , th e ARQ Su bla yer on th e t ra n s m it ter 40

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2 -74

s ide s tops th e t im er a n d d is ca rds th e copy of th e t ra n s m itted PDU; oth erwis e, if th e t im er 1

expires before th e ARQ Su b layer on th e t ran s m itter s ide receives a n in d ica t ion of 2

a ckn owledgm en t for th e t ra n s m it ted PDU, th e ARQ Su b la yer res u bm its th e s tored PDU a n d , 3

u pon n otifica tion of ret ra n s m is s ion , res ta rts th e t im er. Th e p rocedu re is repea ted u n t il 4

ea ch PDU requ irin g a ckn owledgm en t is eith er a ckn owledged or is t ra n s m it ted a tota l of 5

N1m t im es for regu la r PDUs or N15m t im es for m in i PDUs . 6

If th e ARQ Su b la yer on th e t ra n s m it ter s ide receives a n in dica tion from th e ARQ Su bla yer 7

on th e receiver s ide th a t a PDU requ irin g a ckn owledgm en t h a s to be a ckn owledged , th e 8

ARQ Su bla yer on th e t ra n s m it ter s ide is su es a n a ckn owledgm en t with in T2 m secon ds for 9

regu la r PDUs or with in T76 m s econ ds for m in i PDUs (eith er by s et tin g th e ACK_SEQ field in 10

a PDU pen d in g t ra n s m is s ion , or by gen era tin g a n “a ckn owledgm en t -specific” PDU16). 11

Th e ARQ Su bla yer m a y receive a res et d is pos ition from th e con trollin g m a n a gem en t 12

fu n ction (for both regu la r a n d m in i PDUs ), from La yer 3 (for both regu la r a n d m in i PDUs ), 13

or from th e ARQ Su b layer on th e receiver s ide u pon th e recep tion of a Res et PDU (for m in i 14

PDUs on ly). Th e ARQ Su b layer is res et s im u ltan eou s ly on th e t ra n s m it ter a n d th e receiver 15

s ides . In s u ch ca s es th e m es s age s equ en ce n u m ber va ria b les for PDUs both requ ir in g a n d 16

n ot requ ir in g a ckn owledgm en ts a re s et to „0 ‟, th e a ckn owledgm en t tim ers a re res et an d th e 17

repet ition cou n ters for a ll PDUs a re set to „0 ‟. Sin ce th e res et opera t ion res u lt s in pen d in g 18

a ckn owledgm en ts bein g dis ca rded , a ll b its of th e ACK_SEQ field a re s et to „1 ‟ for PDUs sen t 19

im m edia tely a fter a res et opera t ion . 20


Wh en as s em blin g PDUs for t ra n s m iss ion , t h e m obile s ta t ion s h all s et th e ARQ fields a s 22

s pecified in 2 .2 .1 .1 .1 .2 . Th e m obile s ta t ion sh a ll m a in ta in th e ARQ s ta t is t ics a s s pecified in 23

2 .2 .1 .1 .3 . 24

Th e m obile s ta tion s h all s tore a m ess a ge sequ en ce n u m ber va ria b le MSG_SEQ_ACKs for 25

regu la r PDUs requ ir in g a ckn owledgm en t a n d M_MSG_SEQ_ACKs for m in i PDUs requ ir in g 26

a ckn owledgm en t . After sen din g a PDU requ irin g a ckn owledgm en t , th e m obile s ta t ion s h all 27

in crem en t MSG_SEQ_ACKs m odu lo 8 for regu la r PDUs or s h all in crem en t 28

M_MSG_SEQ_ACKs m odu lo 4 for m in i PDUs . For PDUs n ot requ ir in g a ckn owledgm en t , th e 29

m obile s ta tion s h all s tore d ifferen t m es s a ge s equ en ce n u m ber va ria b les MSG_SEQ_NOACKs 30

for regu la r PDUs a n d M_MSG_SEQ_NOACKs for m in i PDUs . After s en d in g a PDU n ot 31

requ ir in g a ckn owledgm en t , th e m obile s ta tion s h a ll in crem en t MSG_SEQ_NOACKs m odu lo 32

8 for regu la r PDUs or sh a ll in crem en t M_MSG_SEQ_NOACKs m odu lo 4 for m in i PDUs . 33

Th e m obile s ta tion m a y t ra n s m it u p to fou r regu la r PDUs before receivin g a n in d ica tion 34

th a t on e of th e t ra n s m it ted regu la r PDUs wa s a ckn owledged . Th e m obile s ta t ion m a y 35

t ra n s m it u p to two m in i PDUs before receivin g a n in d ica t ion th a t on e of th e t ra n s m it ted 36

m in i PDUs wa s a ckn owledged . If a t ra n s m it ted (regu la r or m in i) PDU of a given type 37

requ ir in g a ckn owledgm en t a n d h a vin g th e MSG_SEQ field equ al to (MSG_SEQ_ACKs + 4 ) 38

16 In [11 ], th is “a ck n owledgm en t -specific” PDU is referred to a s t h e Mob ile S tation Ack n owledgem en t

Order.

YD/ T 1838 .3 -2008

2 -75

m odu lo 8 for regu la r PDUs or equ a l to (M_MSG_SEQ_ACKs + 2 ) m odu lo 4 for m in i PDUs is 1

a wa it in g a ckn owledgm en t , th e m obile s ta tion sh a ll n ot sen d a n ew PDU of th e s a m e type 2

requ ir in g a ckn owledgm en t u n til it receives a n in d ica t ion th a t th e t ra n s m it ted PDU wa s 3

a ckn owledged . 4

Th e m obile s ta t ion s h all n ot ret ra n s m it PDUs n ot requ ir in g ackn owledgm en t or p reviou s ly 5

a ckn owledged . If th e m obile s ta tion h a s n ot received a n ackn owledgm en t in dica tion with in 6

T1m s econ ds for regu la r PDUs or with in retran sm is s ion _tim er s econ ds for m in i PDUs a fter 7

s en din g a PDU requ irin g a ckn owledgm en t , th e m obile s ta tion sh a ll ret ra n s m it th e PDU (s ee 8

Figu re 2 .2 .1 .1 .1 .2 -1 ; on ly T1 m is s h own ). Th e va lu e of retran s m is s ion _tim er is equ a l to: 9

• T75 m , for th e firs t N14m (re)t ra n s m iss ion s of th e m in i PDU, 10

• T1m , for th e n ext (N15m - N14m ) ret ra n s m is s ion s of th e m in i PDU. 11

If th e m obile s ta tion ret ra n s m its a PDU, th e m obile s ta t ion s h all u s e th e s a m e MSG_SEQ 12

n u m ber for th e ret ra n s m is s ion . Th e m obile s ta t ion s h all n ot ret ra n s m it a PDU soon er th a n 13

T1m s econ ds for regu la r PDUs or retran s m is s ion _t im er s econ ds (a s defin ed a bove) for m in i 14

PDUs a fter th e p reviou s (re)t ra n s m is s ion of th e s a m e PDU. Th e m obile s ta t ion sh a ll 15

(re)t ra n s m it a PDU requ irin g a ckn owledgm en t u n til th e m obile s ta tion receives a n 16

in dica tion th at th e PDU wa s a ckn owledged , bu t n o m ore th a n N1m tim es for regu la r PDUs 17

or N15m t im es for m in i PDUs . If a PDU requ irin g a ckn owledgm en t is n ot a ckn owledged 18

a fter N1 m t ra n s m is s ion s for regu la r PDUs or N1 5m t ra n s m iss ion s for m in i PDUs , th e m obile 19

s ta t ion sh a ll decla re a n a ckn owledgm en t fa ilu re a n d m a y p rovide a n in d ica t ion to th e 20

Upper La yers , to th e en t ities exercis in g su pervisory con trol, or to both . 21

22

r-dsch

f-dsch

End of PDUtransmission,

T1m initialized

Last frame that cancontain part of theacknowledgement

T1m expiresTransmission of

the PDU bythe mobile station

Acknowledgementtransmission bythe base station

Mobile stationfinishes processingframe; if it has not

received anacknowledgement,

begins processing toretransmit PDU

Effective length of T1m

23

24

Figu re 2 .2 .1 .1 .2 .2 -1 . Time Limit for Retrans mis s ion of PDUs on r-ds ch 25

26

YD/ T 1838 .3 -2008

2 -76

If th e m obile s ta t ion receives a n in d ica t ion th a t th e t ra n s m iss ion of a n a ckn owledgm en t for 1

a received PDU is requ es ted , th e m obile s ta tion sh a ll is su e an a ckn owledgm en t with in T2m 2

s econ ds for regu la r PDUs or with in T76 m secon ds for m in i PDUs (s ee Figu re 2 .2 .1 .1 .2 .2 -2 ; 3

on ly T2m is sh own ), a s follows : 4

• Th e m obile s ta t ion s h a ll a ckn owledge a regu la r PDU requ irin g a ckn owledgm en t by 5

t ra n s m it tin g a regu la r PDU. Th e m obile s ta t ion sh a ll a ckn owledge a m in i PDU 6

requ ir in g a ckn owledgm en t by t ra n s m it tin g a m in i PDU. 7

• If th e m obile s ta tion n eeds to a ckn owledge a regu la r PDU a n d eith er h a s or receives 8

a n in dica tion th a t n o regu la r SDUs a re to be t ra n s m it ted with in T2m secon ds of 9

receivin g th e PDU bein g a ckn owledged , th e m obile s ta t ion sh a ll gen era te a n d 10

t ra n s m it a regu la r PDU ca rryin g a n SDU wh ich h a s th e followin g form a t (to be sen t 11

a s a n Order Mess age):17 12

13


ORDER = „010000‟ 6


14

Th e m obile s ta t ion s h a ll s et th e ACK_REQ field in th e gen era ted PDU to „0 ‟ a n d s h all 15

s et th e ACK_SEQ field in th e gen era ted PDU a s s pecified in 2 .2 .1 .1 .1 .2 . 16

• If th e m obile s ta tion n eeds to a ckn owledge a m in i PDU a n d eith er h a s or receives a n 17

in dica tion th a t n o m in i SDUs a re to be t ra n s m it ted with in T76m s econ ds of receivin g 18

th e PDU bein g a ckn owledged , th e m obile s ta t ion sh a ll gen era te a n d t ra n s m it a m in i 19

PDU ca rryin g a n SDU wh ich h a s th e followin g form a t (to be s en t a s a n 20

Ack n owledgm en t PDU): 21

22


RESERVED = „0000000000000‟ 13

23

Th e m obile s ta t ion s h a ll s et th e ACK_SEQ field in th e gen era ted PDU a s s pecified in 24

2 .2 .1 .1 .1 .2 . 25

17 In [11 ], th is “a ck n owledgm en t -specific” PDU is referred to a s th e Mob ile S tation Ack n owledgem en t

Order.

YD/ T 1838 .3 -2008

2 -77

• Oth erwis e, th e m obile s ta tion s h all eith er gen era te a n d t ra n s m it a PDU with its 1

fields s et a s described a bove or s h a ll u s e a n exis t in g PDU ca rryin g a n Upper La yer 2

SDU a s th e PDU to be t ra n s m it ted a n d sh a ll s et th e ACK_SEQ field a s s pecified in 3

2 .2 .1 .1 .1 .2 . 4

5

r-dsch

Effective length of T2m

Last frame that cancontain part of theacknowledgement

T2m expires

Transmission ofPDU by the

base station

Acknowledgementtransmission by

the mobile station

Base station finishesprocessing frame, if ithas not received anacknowledgement,

begins processing toretransmit PDU

Mobile stationfinishes receivingPDU, sets T2m

f-dsch

6

7

Figu re 2 .2 .1 .1 .2 .2 -2 . Time Limit for Acknowledgment of PDUs on f-dsch 8

9

Th e m obile s ta t ion m a y s en d a n order to res et th e ARQ pa ra m eters on th e ba s e s ta tion s ide 10

via a m in i PDU ca rryin g a n SDU wh ich h a s th e followin g form a t (to be s en t a s a Res et PDU): 11

12


RESERVED = „0000000000000‟ 13

13

If th e m obile s ta tion is in s t ru cted to perform a res et for both regu la r a n d m in i PDUs , th e 14

m obile s ta tion s h all: 15

• Res et it s ret ra n s m is s ion cou n t for ea ch PDU th a t is a wa itin g a ckn owledgm en t . 16

• Set MSG_SEQ_ACKs , M_MSG_SEQ_ACKs , MSG_SEQ_NOACKs a n d 17

M_MSG_SEQ_NOACKs to ‟0 ‟. 18

• Dis ca rd ea ch of th e pen d in g requ es ts for a ckn owledgm en t for PDUs received on t h e 19

f-ds ch . 20

If th e m obile s ta t ion is in s t ru cted to perform a res et for m in i PDUs on ly, th e m obile s ta t ion 21

s h a ll: 22

• Res et it s ret ra n s m is s ion cou n t for ea ch m in i PDU th a t is a wait in g a ckn owledgm en t . 23

• Set M_MSG_SEQ_ACKs a n d M_MSG_SEQ_NOACKs to ‟0 ‟. 24

YD/ T 1838 .3 -2008

2 -78

• Dis ca rd ea ch of th e pen d in g requ es ts for a ckn owledgm en t for m in i PDUs received on 1

th e f-dsch . 2

After com pletin g th e reset for th e s pecified type of PDUs , th e m obile s ta t ion s h ou ld resu m e 3

n orm a l opera t ion , s ta rt in g with th e t ra n s m is s ion of th e PDUs of th e s pecified type th a t were 4

a wa it in g a ckn owledgm en t a t th e t im e th e res et d is pos ition wa s received . Fu rth er 5

requ irem en ts for th e p roces s in g of a res et requ es t by th e m obile s ta t ion a re given in 6

2 .2 .2 .1 .2 .2 . 7

2 .2 .1 .1 .3 Accu m u la ted ARQ Sta tis tics 8

Th e m obile s ta t ion s h a ll m a in ta in th e cou n ters s h own in Ta ble 2 .2 .1 .1 .3 -1 a n d Ta b le 9

2 .2 .1 .1 .3 -2 . Ea ch cou n ter sh a ll be 16 b its lon g. Th e m obile s ta tion sh a ll in it ia lize ea ch 10

cou n ter described h erein to zero u pon power -u p; th e m obile s ta t ion s h all n ot re -in it ia lize 11

a n y cou n ter d es cribed h erein a t a n y oth er t im e except u pon com m a n d from th e ba s e 12

s ta t ion . Ea ch cou n ter s h all be m a in ta in ed m odu lo 2 16 . 13

Wh en th e m obile s ta t ion t ra n s m its a regu la r PDU or a m in i PDU on th e r -ds ch requ ir in g a n 14

a ckn owledgm en t for th e ith t im e, for i equ als on e to th ree, it s h a ll in crem en t th e cou n ter 15

LAYER2_RTCi or th e cou n ter MM_RTCi, res pect ively. 16

Th e m obile s ta t ion s h all in crem en t th e cou n ter LAYER2_RTC4 or th e cou n ter MM_RTC4 17

ea ch tim e it a borts u s in g th e r -ds ch beca u se th e t im eou t expired a fter th e N1mth 18

t ra n s m iss ion of a regu la r PDU or th e N15mth tra n s m is s ion of a m in i PDU, res pect ively, 19

requ ir in g a n a ckn owledgm en t . 20

Th e m obile s ta tion s h all in crem en t th e cou n ter LAYER2_RTC5 or th e cou n ter MM_RTC5 for 21

ea ch t ra n s m is s ion of a regu la r PDU or a m in i PDU, r es pectively, n ot requ ir in g a n 22

a ckn owledgm en t on th e r -ds ch . Th is cou n t sh a ll in clu de a ll t ra n s m is s ion s , in clu din g th os e 23

th a t were repea ted m u lt iple tim es or th ose ca rryin g a n iden t ica l SDU. 24

25

YD/ T 1838 .3 -2008

2 -79

Table 2 .2 .1 .1 .3 -1 . Accu mulated ARQ Statis tics for Regu lar PDUs 1

Cou nter


LAYER2_RTC1 Nu m ber of regu la r PDUs requ ir in g a ckn owledgm en t

th a t were t ra n s m it ted a t lea s t on ce on th e r -dsch


th a t were t ra n s m it ted a t lea s t twice on th e r -dsch


th a t were t ra n s m it ted a t lea s t th ree t im es on th e

r-ds ch

LAYER2_RTC4 Nu m ber of t im es th a t th e m obile s ta t ion d ropped th e

r-ds ch a s a res u lt of th e t im eou t exp ir in g a fter th e

N1mth t ra n s m is s ion of a regu la r PDU requ irin g

a ckn owledgm en t

LAYER2_RTC5 Nu m ber of t im es a regu la r PDU n ot requ ir in g a n

a ckn owledgm en t wa s s en t on th e r -dsch

2

Table 2 .2 .1 .1 .3 -2 . Accu mulated ARQ Statis tics for Mini PDUs 3

Cou nter


MM_RTC1 Nu m ber of m in i PDUs requ ir in g a ckn owledgm en t th a t

were t ra n s m it ted a t leas t on ce on th e r -ds ch


were t ra n s m it ted a t leas t twice on th e r -ds ch


were t ra n s m it ted a t leas t th ree tim es on th e r -ds ch

MM_RTC4 Nu m ber of t im es th a t th e m obile s ta t ion d ropped th e

r-ds ch a s a res u lt of th e t im eou t exp ir in g a fter th e

N15 mth t ra n s m iss ion of a m in i PDU requ irin g

a ckn owledgm en t

MM_RTC5 Nu m ber of t im es a m in i PDU n ot requ ir in g a n

a ckn owledgm en t wa s s en t on th e r -dsch

4


2 .2 .1 .2 .1 Pa ra m eters 6

Th e m obile s ta tion s h all u s e th e fields defin ed in 2 .2 .1 .2 .1 .1 to s u pport m ess a ge type 7

iden t ifica t ion pa ra m eters , en cryp tion pa ra m eters , a n d pa ddin g for PDUs t ra n s m it ted on th e 8

r-ds ch . Th e m obile s ta t ion sh a ll s et th ese fields a ccord in g to th e requ irem en ts in 9

2 .2 .1 .2 .1 .2 . 10

YD/ T 1838 .3 -2008

2 -80

2 .2 .1 .2 .1 .1 Defin ition of Utility Su b la yer Fields 1

Th e m ess a ge type field for PDUs t ra n s m it ted on th e r -ds ch h a s th e followin g form a t : 2

3


MSG_TYPE 3 , 6 or 8

4

MSG_TYPE - Mess a ge type in dica tor . 5

Th is field con ta in s th e m es s a ge type in dica tor for regu la r 6

PDUs (8 b its ) or m in i PDUs (3 or 6 b its ) sen t on th e r -ds ch . 7

8

A regu la r PDU tra n s m it ted on th e r -ds ch in clu des th e En cryp tion field a n d m a y in clu de th e 9

Exten ded-En cryp tion fields , ba sed u pon P_REV_IN_USE s a n d th e cu rren t en crypt ion m ode 10

(s ee 2 .2 .1 .2 .1 .2 ). 11

Th e En cryp tion field for regu la r PDUs t ra n s m it ted on th e r -ds ch h a s th e followin g form a t : 12

13


ENCRYPTION 2

14

ENCRYPTION – Mess a ge en cryp t ion in dica tor . 15

16

Th e Exten ded-En cryp t ion fields for regu la r PDUs t ra n s m it ted on th e r -dsch h a ve th e 17

followin g form a t : 18

19



ENC_SEQ 0 or 8

20


PDU. 22

ENC_SEQ – Th e eigh t lea s t s ign ifica n t b its of th e en cryp tion sequ en ce 23

n u m ber u s ed to con s tru ct a cryp togra ph ic s yn ch ron iza t ion 24

cryp to-syn c (s ee [5]) for th e en cryp t ion a lgorith m . 25

26

Th e PDU pa ddin g field for PDUs t ra n s m it ted on th e r -ds ch h a s th e followin g form a t : 27

28

YD/ T 1838 .3 -2008

2 -81


PDU_PADDING 0 - 7

1


3

2 .2 .1 .2 .1 .2 Requ irem en ts for Set tin g Utility Su blayer Fields 4

Th e m obile s ta t ion s h all set th e MSG_TYPE field of regu la r PDUs as s h own in Ta ble 5

2 .2 .1 .2 .1 .2 -1 . 6

YD/ T 1838 .3 -2008

2 -82

Table 2 .2 .1 .2 .1 .2 -1 . MSG_TYPE Valu es for Regular PDUs on r-ds ch (part 1 of 2 ) 1

Mess age Name MSG_TAG MSG_TYPE

(binary)

Order Mes s age ORDM 00000001

Au th en ticat ion Ch allen ge Res pon se

Mess age

AUCRM 00000010

Flash With In form ation FWIM 00000011


Pilot S tren gth Measu rem en t Mess age PSMM 00000101

Power Measu rem en t Report Mess age PMRM 00000110

S en d B u rs t DTMF Mes s age BDTMFM 00000111

S tatu s Mes s age STM 00001000

Origin ation Con tin u at ion Mes s age ORCM 00001001

Han doff Com plet ion Mess age HOCM 00001010

Param eters Res pon se Mes s age PRSM 00001011

S ervice Requ es t Mess age SRQM 00001100

S ervice Respon s e Mess age SRPM 00001101

S ervice Con n ect Com plet ion Mes s age SCCM 00001110

S ervice Opt ion Con trol Mess age SOCM 00001111

S tatu s Res pon s e Mes s age STRPM 00010000

TMS I As s ign m en t Com pletion

Mess age

TACM 00010001

S u pp lem en tal Ch an n el Requ es t

Mess age

SCRM 00010010

Can didate Frequ en cy S earch

Res pon se Mes s age

CFSRSM 00010011

Can didate Frequ en cy S earch Report

Mess age

CFSRPM 00010100

Period ic Pilot S tren gth Measu rem en t

Mess age

PPSMM 00010101

Ou ter Loop Report Mess age OLRM 00010110

Res ou rce Requ es t Mes s age RRM 00010111

Ex ten ded Release Res pon s e Mes s age ERRM 00011000


2

YD/ T 1838 .3 -2008

2 -83

Table 2 .2 .1 .2 .1 .2 -1 . MSG_TYPE Valu es for Regular PDUs on r-ds ch (part 2 of 2 ) 1


(binary)

En h an ced Origin ation Mes s age EOM 00011010

Ex ten ded Flash With In form ation

Mess age

EFWIM 00011011

Ex ten ded Pilot S tren gth

Measu rem en t Mes s age

EPSMM 00011100

Ex ten ded Han doff Com plet ion Mess age EHOCM 00011101

Res ou rce Release Requ es t Mes s age RRRM 00011110

S ecu rity Mode Requ es t Mes s age SMRM 00011111

Data B u rs t Res pon se Mes s age

(DS-41 on ly, s ee [13])

DBRM 00100000

DS -41 In ter-s ys tem Tran s fer Mes s age

(DS-41 on ly, s ee [13])

D41ISTM 00100001

Us er Zon e Update Requ es t Mes s age UZURM 00100010

Call Can cel Mess age CLCM 00100011

Device In form ation Mes s age DIM 00100100

MC-MAP In itial L3 Mes s age


MAPIL3M 00100101

MC-MAP L3 Mes s age


MAPL3M 00100110

R-TMS I Ass ign m en t Com pletion

Mess age


RTACM 00100111

B as e S tation S tatu s Requ es t Mess age BSSREQM 00101000

2

Th e m obile s ta tion s h all set th e MSG_TYPE field of m in i PDUs a s sh own in Ta b les 3

2 .2 .1 .2 .1 .2 -2 a n d 2 .2 .1 .2 .1 .2 -3 . 4

5

YD/ T 1838 .3 -2008

2 -84

Table 2 .2 .1 .2 .1 .2 -2 . MSG_TYPE Valu es (3 bits ) for Mini PDUs on r-ds ch 1


(binary)

Pilot S tren gth Measu rem en t Min i

Mess age

PSMMM 000

S u pp lem en tal Ch an n el Requ es t Min i

Mess age

SCRMM 001

Res erved N/ A 010

2

Table 2 .2 .1 .2 .1 .2 -3 . MSG_TYPE Valu es (6 bits ) for Mini PDUs on r-ds ch 3


(binary)

Ack n owledgm en t PDU ACK 111000

Res et PDU RESET 111001

Res ou rce Requ es t Min i Mes s age RRMM 111010

Ex ten ded Release Res pon s e Min i

Mess age

ERRMM 111011

Res ou rce Release Requ es t Min i

Mess age

RRRMM 111100

4

Th e m obile s ta tion sh a ll s et th e ENCRYPTION field to th e cu rren t en cryp t ion m ode for 5

regu la r PDUs to be t ra n s m it ted on th e r -ds ch (s ee [5 ]). Th e m obile s ta t ion sh a ll n ot ch an ge 6

th e valu e of th is field a n d th e en cryp tion s ta te of th e SDU ca rried by th e PDU if th e PDU is 7

ret ra n s m it ted . 8

If P_REV_IN_USE s is grea ter th a n or equ al to s even a n d th e ENCRYPTION field is set to „11‟, 9

th e m obile s ta tion s h a ll in clu de th e Exten ded -En cryp tion fields ; oth erwise, th es e fields 10

s h a ll be om it ted . 11

If th e Exten ded -En cryp tion fields a re in clu ded , th e m obile s ta tion sh a ll s et th e Exten ded -12

En cryp tion Fields a s follows : 13

• Th e m obile s ta t ion s h a ll s et th e SDU_ENCRYPT_MOD E field to th e s ign a lin g 14

en cryp t ion m ode th a t is u s ed for th e SDU ca rried by th is PDU a n d is p rovided by 15

La yer 3 . 16

• If th e SDU_ENCRYPT_MODE field is set to „001‟, th e m obile s ta t ion sh a ll in clu de th e 17

ENC_SEQ field a n d s h all set it to th e valu e p rovided by La yer 3 ; oth erwis e, th e 18

m obile s ta tion s h all om it th e ENC_SEQ field . 19

Th e m obile s ta tion s h a ll n ot ch a n ge th e va lu e of th e Exten ded -En cryp tion fields a n d th e 20

en cryp t ion s ta te of th e SDU ca rried by th e PDU if th e PDU is ret ra n s m it ted . 21

YD/ T 1838 .3 -2008

2 -85

Th e m obile s ta t ion s h a ll s et th e PDU_PADDING field to con ta in th e m in im u m n u m ber of 1

b its n eeded to m a ke th e len gth of th e PDU, in b its , a n in tegra l m u lt ip le of eigh t . Th e m obile 2


2 .2 .1 .2 .2 Procedu res 4

Wh en s en d in g regu la r PDUs on th e r -dsch , th e m obile s ta t ion s h all s et th e pa ra m eters 5

defin ed in 2 .2 .1 .2 .1 .1 a ccordin g to th e requ irem en ts s pecified in 2 .2 .1 .2 .1 .2 . 6

Th e form a t of a regu la r PDU s en t to th e MAC Su bla yer for t ra n s m iss ion on th e r -ds ch 7

depen ds u pon th e p rotocol ca pa b ilities of both t h e m obile s ta t ion a n d th e ba s e s ta t ion , a s 8

well a s on th e valu e of th e ENCRYPTION field (s ee 2 .2 .1 .2 .1 .2 ). 9

Th e m obile s ta t ion s h a ll a s s em ble regu la r PDUs for th e r -dsch u s in g th e followin g form a t : 10

11

Parameter Reference

Mess a ge Type Field Section 2 .2 .1 .2 .1 .1

ARQ Fields Section 2 .2 .1 .1 .1 .1

En cryp tion Field Section 2 .2 .1 .2 .1 .1

Exten ded-En cryp tion Fields Section 2 .2 .1 .2 .1 .1

SDU [5 ]


12

Wh en sen din g m in i PDUs on th e r -ds ch , th e m obile s ta t ion sh a ll a s s em ble th e m in i PDU 13

u s in g th e followin g form a t : 14

15

Parameter Reference


Mess a ge Type Field Section 2 .2 .1 .2 .1 .1

SDU [5 ]


16

Th e m obile s ta tion s h all n ot a s s em ble a n d t ra n s m it regu la r PDUs la rger th a n 2016 b its . 17

Th e m obile s ta t ion s h a ll n ot a s s em ble a n d t ra n s m it m in i PDUs la rger th a n 24 b its . 18


2 .2 .1 .3 .1 Pa ra m eters 20

Th e m obile s ta t ion sh a ll u s e th e SAR pa ra m eters defin ed in 2 .2 .1 .3 .1 .1 for PDUs 21

t ra n s m it ted on th e r -ds ch . Th e m obile s ta t ion s h a ll s et th e SAR pa ra m eters a ccord in g to 22

th e requ irem en ts s pecified in 2 .2 .1 .3 .1 .2 . 23

YD/ T 1838 .3 -2008

2 -86

2 .2 .1 .3 .1 .1 Defin ition of SAR Pa ra m eters 1

Th e SAR pa ra m eters for regu la r PDUs t ra n s m itted on th e r -ds ch h a ve th e followin g form a t : 2

3


MSG_LENGTH 8

4


6


CRC 16

7

CRC - Cyclic Redu n da n cy Ch eck for th e PDU. 8

9

A regu la r PDU tra n s m it ted on th e r -ds ch in clu des SOM field . 10

11


SOM 1

12

SOM - S ta rt of Mess a ge in dica tor , for ea ch en ca ps u la ted PDU 13

fra gm en t . 14

Th ere a re n o SAR pa ra m eters defin ed for m in i PDUs . 15


If th e LAC PDU is a regu la r PDU, , th e MSG_LENGTH field sh a ll be eigh t bits lon g an d sh a ll 17

be s et to (s ize of LAC PDU in b its + 24) / 8 . 18

Th e 16 -b it valu e of th e CRC sh a ll be com pu ted over th e MSG_LENGTH pa ra m eter a n d th e 19

LAC PDU, in th is order. Th e gen era tor polyn om ial for th e CRC s h all be a s follows : 20

g(x) = x16 + x12 + x5 + 1 . 21

Th e followin g p rocedu re a n d th e logic s h own in Figu re 2 .1 .1 .3 .1 .2 -1 s h a ll be u sed to 22

com pu te th e CRC: 23

• All s h ift regis ter elem en ts s h all be in it ia lized to logical on e.18 24

• Th e switch es s h all be set in th e u p pos ition . 25

18 In it ia liza tion of th e regis ter to on es ca u s es th e CRC for a ll-zero d a ta to be n on -zero.

YD/ T 1838 .3 -2008

2 -87

• Th e in form a t ion bit cou n t k s h a ll be defin ed a s eigh t plu s th e s ize of th e LAC PDU in 1

b its . 2

• Th e regis ter s h a ll be clocked k t im es for th e k in form a t ion bits . 3

• Th e switch es s h all be set in th e down pos ition so th a t th e ou tpu t is a m odu lo -2 4

a dd it ion with a „1 ‟ a n d th e s u cces s ive sh ift regis ter in pu ts a re „0 ‟. 5

• Th e regis ter s h a ll be clocked a n a dd ition a l 16 tim es . 6

• Th e 16 a dd it ion al ou tpu t b its s h a ll be th e CRC valu e. 7

Th e CRC pa ra m eter s h all be set to th e CRC va lu e in su ch a way th a t its b its a re 8

t ra n s m it ted in th e order in wh ich th ey a ppea red a t th e ou tpu t of th e CRC en coder. 9

10

Up for first k bitsDown for last 16 bits

Input

Output

x15

x12

x5

x1

x0

1

0

Denotes modulo-2 addition

Denotes one-bit storage element

11

12

Figu re 2 .2 .1 .3 .1 .2 -1 . The 16 -bit CRC Calcu lation 13

14

Th e m obile s ta t ion s h a ll s et th e SOM field a s follows : 15

• Th e SOM field sh a ll be s et to „1 ‟ in th e fra m e ca rryin g th e firs t en ca psu la ted PDU 16

fra gm en t (corres pon din g to th e MSG_LENGTH pa ra m eter a n d th e begin n in g of th e 17

PDU). 18

• Th e SOM field sh a ll be s et to „0 ‟ in a ll s u bs equ en t fra m es th a t ca rry en ca psu la ted 19

PDU fra gm en ts . 20

2 .2 .1 .3 .2 Procedu res 21

Th e m obile s ta t ion s h a ll s et th e SAR pa ra m eters a s s pecified in 2 .2 .1 .3 .1 .2 . Th e m obile 22

s ta t ion sh a ll a s s em ble a n en ca ps u la ted PDU from th e SAR pa ra m eters a n d th e PDU by 23

con ca ten a t in g th em in th e followin g order: 24

• If th e PDU is a regu la r PDU, th e MSG_LENGTH pa ra m eter , s ta r t in g with th e 25

m os t s ign ifica n t b it . 26

• Th e PDU, s ta rt in g with th e m os t s ign ifican t b it of th e MSG_TYPE field . 27

YD/ T 1838 .3 -2008

2 -88

• Th e CRC pa ra m eter (for regu la r PDUs on ly), s ta r t in g with th e b it th a t a ppea red firs t 1

a t th e ou tpu t of th e CRC en coder. 2

Th e m obile s ta t ion s h all segm en t th e en ca ps u la ted regu la r PDU in to fra gm en ts of 3

m a xim u m a vaila ble s ize n ecess a ry to fit in a Lower La yer t ra n s port u n it , except for th e las t 4

fra gm en t , wh ich m a y be sh orter . Th e m obile s ta t ion s h all t ra n s m it th e en ca ps u la ted PDU 5

fra gm en ts in order. Before t ra n s m itt in g a n en ca ps u la ted PDU fra gm en t of a n en ca ps u la ted 6

regu la r PDU, th e m obile s ta tion sh a ll t ra n s m it th e SOM pa ra m eter a s s ocia ted with it . 7

Un less t ra n s m is s ion of a n en ca ps u la ted PDU is to be ca n celed , th e m obile s ta t ion s h a ll n ot 8

t ra n s m it en ca psu la ted PDU fra gm en t s from a n ew en ca psu la ted regu la r PDU u n t il a ll 9

fra gm en ts of th e p reviou s en ca psu la ted regu la r PDU h ave been t ra n s m it ted (i.e., 10

in terlea vin g fra gm en ts from d ifferen t regu la r PDUs is n ot perm it ted ). En ca psu la ted PDU 11

fra gm en ts of a regu la r PDU m a y be in terlea ved with m in i PDUs . 12

2 .2 .2 Recep t ion on f-ds ch 13

Th e m obile s ta t ion s h a ll m eet th e requ irem en ts specified in 2 .2 .2 .2 .2 a n d 2 .2 .2 .1 .2 .2 . 14

2 .2 .2 .1 ARQ Su b layer 15

2 .2 .2 .1 .1 Pa ra m eters 16

To s u pport th e ARQ m ech a n is m on th e ded ica ted ch a n n els , th e m obile s ta t ion in terp rets 17

th e ARQ fields defin ed in 3 .2 .2 .1 .1 .1 for PDUs received on th e f-dsch . 18

2 .2 .2 .1 .2 Procedu res 19


Th e m obile s ta tion rem oves th e ARQ fields from PDUs received on th e f-ds ch a n d pa s s es 21

th e rem a in der of th e PDU (wh ich gen era lly in clu des th e SDU) to th e Upper La yers . 22

Wh en th e ARQ Su b la yer on th e receiver s ide receives a PDU, it p rovides a n in dica t ion to th e 23

ARQ Su bla yer on th e t ra n s m it ter s ide (s ee 2.2 .1 .1 .2 .1 ) of th e a ckn owledgm en t of a 24

previou s ly t ra n s m it ted PDU with th e MSG_SEQ field equ a l to th e ACK_SEQ field of th e 25

received PDU. 26

Th e ARQ Su bla yer perform s du plica te detect ion for received PDUs th a t requ ire 27

a ckn owledgm en t a s well a s for PDUs th a t do n ot requ ire a ckn owledgm en t , u s in g s ligh t ly 28

d ifferen t m ech a n is m s . For PDUs requ ir in g a ckn owledgm en t , t h e ARQ Su b la yer u ses 29

received s ta tu s in dica tors . For PDUs n ot requ ir in g a ckn owledgm en t , th e ARQ Su bla yer 30

u s es a t im er to delin ea te th e in terva l du rin g wh ich PDUs with th e s a m e MSG_SEQ fields 31

a re con s idered du plica tes . Du p lica tes of PDUs requ ir in g a ckn owledgm en t a re 32

a ckn owledged (s ee below) a n d th en d isca rded . Du p lica tes of PDU n ot requ ir in g 33

a ckn owledgm en t a re d is ca rded . 34

Wh en th e ARQ Su b layer on th e receiver s ide receives a PDU with th e ACK_REQ field s et to 35

„1 ‟, it p rovides a n in d ica tion to th e ARQ Su bla yer on th e t ra n s m it ter s ide, a m ou n tin g to a 36

requ es t for th e t ra n s m is s ion of a n a ckn owledgm en t . Th e MSG_SEQ field of th e received 37

YD/ T 1838 .3 -2008

2 -89

PDU a n d th e t im e of recep tion a re a ls o p rovided to th e ARQ Su b la yer on th e t ra n s m itter 1

s ide (s ee 2 .2 .1 .1 .2 .1 ). 2

Followin g th e recep tion of a n acqu irin g ded icated ch an n el in d ica t ion from La yer 3 (s ee 3

2 .6 .4 .2 of [5 ]), th e ARQ Su bla yer con s iders th e recep tion of th e firs t va lid PDU on th e f-ds ch 4

a s a s ign a l th a t th e ded ica ted s ign alin g ch an n el wa s p roperly es ta b lish ed a n d fu rth er 5

s ign a lin g ca n p roceed . Wh en th a t h a ppen s , th e ARQ Su bla yer s en ds a forward ded icated 6

ch an n el acqu ired in d ica tion to La yer 3 (s ee 2 .6 .4 .2 of [5 ]) s ign a lin g th a t th e con n ect ion with 7

th e ba s e s ta t ion was es ta blish ed . 8

Th e ARQ Su b layer for ded ica ted ch a n n els ca n b e res et loca lly, u n der d is pos ition s from 9

La yer 3 or th e m a n a gin g en tity in th e con trol p la n e, a n d ca n a ls o be res et u pon th e 10

recep tion of a Res et PDU by th e LAC Su b la yer (for m in i PDUs on ly, s ee Ta b le 3 .2 .2 .2 .1 .2 -3 ). 11

Th e ARQ Su bla yer is res et s im u lta n eou s ly on th e receiver a n d th e t ra n s m it ter s ides . In 12

s u ch ca s es , th e in form a t ion n eeded to perform du p lica te detect ion a n d th e pen din g 13

requ es ts for a ckn owledgm en t a re d is ca rded . 14


Th e m obile s ta t ion s h a ll p roces s PDUs received on th e f-dsch . 16

Wh en a PDU is received on th e f-ds ch with th e ACK_REQ field s et to „1 ‟, th e m obile s ta t ion 17

s h a ll recogn ize it a s a requ es t for a ckn owledgm en t . See 2 .2 .1 .1 .1 .2 for requ irem en ts on th e 18

proces s in g of requ es ts for a ckn owledgm en t . 19

Wh en a PDU is received on th e f-ds ch , th e m obile s ta t ion s h a ll recogn ize it a s in clu d in g a n 20

a ckn owledgm en t for a p reviou s ly t ra n s m it ted PDU if th e ACK_SEQ field of th e received PDU 21

m a tch es th e MSG_SEQ field of a p reviou s ly t ra n s m it ted PDU. See 2 .2 .1 .1 .1 . 2 for 22

requ irem en ts on th e p roces s in g of a PDU a fter bein g a ckn owledged . 23

Th e m obile s ta tion m a y ign ore received a ckn owledgm en ts for PDUs th a t were n ot s en t or 24

a re n ot a wa itin g a ckn owledgm en t , excep t im m edia tely a fter th e recep tion of a n acqu irin g 25

ded icated ch an n el in d ica t ion from La yer 3 . After receivin g an acqu irin g ded icated ch an n el 26

in dica tion , th e m obile s ta t ion sh a ll con s ider th e recep tion of th e firs t va lid PDU a s a s ign al 27

th a t th e dedica ted ch a n n el wa s s u cces s fu lly a cqu ired , a n d s h a ll s en d a forward d edicated 28

ch an n el acqu ired in dica tion to La yer 3 . 29

For th e detection of du p lica te PDUs requ ir in g ackn owledgm en t , th e m obile s ta tion s h a ll 30

s tore a received s ta tu s in dica tor for ea ch poss ible va lu e of th e regu la r PDU MSG_SEQ field 31

(MSG_SEQ_RCVD[n ], for n equ a l to 0 th rou gh 7 ) a n d th e m in i PDU MSG_SEQ field 32

(M_MSG_SEQ_RCVD[n ], for n equ a l to 0 th rou gh 3 ). Du p lica te detection is perform ed 33

in depen den t ly for regu la r PDUs an d for m in i PDUs .19 Th e m obile s ta t ion s h all perform th e 34

followin g p rocedu res : 35

19 A regu la r PDU a n d a m in i PDU ca n n ot be du p lica tes of on e a n oth er .

YD/ T 1838 .3 -2008

2 -90

• Wh en a PDU requ irin g a ckn owledgm en t is received h a vin g th e m es s age s equ en ce 1

n u m ber field MSG_SEQ, a n d MSG_SEQ_RCVD[MSG_SEQ] (for a regu la r PDU) or 2

M_MSG_SEQ_RCVD[MSG_SEQ] (for a m in i PDU) is equ a l to NO, th e m obile s ta tion 3

s h a ll p roces s th e PDU a s a n ew PDU. Th e m obile s ta t ion sh a ll th en s et 4

MSG_SEQ_RCVD[MSG_SEQ] (for a regu la r PDU) or M_MSG_SEQ_RCVD[MSG_SEQ] 5

(for a m in i PDU) to YES, a n d s h a ll s et MSG_SEQ_RCVD[(MSG_SEQ + 4 ) m odu lo 8] 6

(for a regu la r PDU) or M_MSG_SEQ_RCVD[(MSG_SEQ + 2 ) m odu lo 4 ] (for a m in i 7

PDU) to NO. 8


n u m ber field MSG_SEQ, a n d MSG_SEQ_RCVD[MSG_SEQ] (for a regu la r PDU) or 10

M_MSG_SEQ_RCVD[MSG_SEQ] (for a m in i PDU) is equ a l to YES, th e m obile s ta tion 11

s h a ll a ckn owledge th e PDU a n d th en dis ca rd it . 12

For th e detect ion of du plica te PDUs n ot requ ir in g a ckn owledgm en t , th e m obile s ta t ion sh a ll 13

con s ider a ll PDUs h a vin g th e s a m e MSG_SEQ field received with in a n in terva l of T3m 14

s econ ds for regu la r PDUs or with in a n in terval of T77 m s econ ds for m in i PDUs to be 15

du plica tes (s ee Figu re 2 .2 .2 .1 .2 .2 -1 ; on ly T3m is s h own ). If th e m obile s ta tion receives 16

m u ltip le cop ies of th e s a m e PDU, it sh a ll d isca rd th e du p lica te copies . 17

18

f-dsch

T3m

Last frame containingpart of a PDU

with MSG_SEQnumber k that is

considered the samemessage

Any PDUreceived in this

frame withMSG_SEQ numberk is considered as a

new PDU

First receipt of aPDU with MSG_SEQ

number k

T3m is initialized T3m expires

19

20

Figu re 2 .2 .2 .1 .2 .2 -1 . Time Window for Detecting Duplicate Mess ages not Requiring 21

Acknowledgment 22

23

Wh en p roces s in g a res et requ es t for both regu la r PDUs a n d m in i PDUs , th e m obile s ta t ion 24

s h a ll s et MSG_SEQ_RCVD[n ] to NO for a ll va lu es of n from 0 to 7 a n d s h a ll s et 25

M_MSG_SEQ_RCVD[n ] to NO for a ll va lu es of n from 0 to 3 . Wh en p roces s in g a reset 26

requ es t for m in i PDUs on ly, th e m obile s ta t ion s h a ll s et M_MSG_SEQ_RCVD[n ] to NO for a ll 27

va lu es of n from 0 to 3 . Fu rth er requ irem en ts for th e p roces s in g of a res et requ es t by th e 28

m obile s ta tion a re given in 2 .2 .1 .1 .1 .2 . 29

YD/ T 1838 .3 -2008

2 -91


2 .2 .2 .2 .1 Pa ra m eters 2

Th e m obile s ta tion sh a ll u s e th e fields defin ed in 3 .2 .2 .2 .1 .1 for PDUs received on th e 3

f-ds ch . 4

2 .2 .2 .2 .2 Procedu res 5

Th e m obile s ta t ion s h a ll iden tify th e SDU ca rried by th e received PDU a s s h own in Ta b le 6

3 .2 .2 .2 .1 .2 -1 for regu la r PDUs or in Ta b le 3 .2 .2 .2 .1 .2 -2 or 3 .2 .2 .2 .1 .2 -3 for m in i PDUs 7

received on th e f-dsch . If iden t ifica t ion is n ot poss ible, th e m obile s ta t ion s h a ll dis ca rd th e 8

PDU with ou t fu rth er p roces s in g. 9

If th e m obile s ta t ion receives a va lid PDU, th e LAC Su bla yer s h all m a ke th e SDU in clu ded 10

in th e PDU a va ila ble to La yer 3 , togeth er with th e En crypt ion field a n d th e Exten ded -11

En cryp tion fields , if a n y (s ee 3 .1 .2 .3 .1 .3 .1 ). 12

13


2 .2 .2 .3 .1 Pa ra m eters 15

Th e m obile s ta tion s h all u s e th e pa ra m eters defin ed in 3 .2 .2 .3 .1 .1 for PDUs received on th e 16

f-ds ch . 17

2 .2 .2 .3 .2 Procedu res 18

Th e m obile s ta tion s h a ll a s s em ble regu la r PDUs 20 from en ca ps u la ted PDU fra gm en t s 19

received on th e f-ds ch u s in g th e followin g p rocedu re: 20

• A rea s s em bly bu ffer la rge en ou gh to a ccom m oda te th e la rges t pos s ib le en ca psu la ted 21

PDU sh a ll be a va ila b le. Th e rea ss em bly bu ffer s h a ll be em p tied wh en ever a res et 22

in dica tion is received . 23


25

- If th e SOM pa ra m eter is equ al to „1 ‟: 26

+ Th e cu rren t con ten ts of th e rea ss em bly bu ffer , if a n y, s h all be dis ca rded (th e 27

rea s s em bly bu ffer becom es em pty). 28

+ Th e en ca psu la ted PDU fra gm en t (wh ich correspon ds to th e begin n in g of a 29

PDU) s h all be pla ced in th e bu ffer (with ou t th e SOM pa ra m eter). Th e firs t 30

eigh t b its s h all be in terp reted a s th e MSG_LENGTH pa ra m eter a s s ocia ted 31

with th e PDU. If MSG_LENGTH is les s th an th ree, th e rea s s em bly bu ffer 32

s h a ll be em ptied . 33

20 Sin ce m in i PDUs are n ot fragm en ted , n o rea ss em b ly p roced u res a re d efin ed for m in i PDUs .

YD/ T 1838 .3 -2008

2 -92

- If th e SOM pa ra m eter is equ al to „0 ‟: 1

+ If th e rea s s em bly bu ffer is em pty, th e en ca psu la ted PDU fra gm en t sh a ll be 2

d is ca rded . 3

+ If th e rea s s em bly bu ffer is n ot em pty, th e en ca psu la ted PDU fra gm en t (wh ich 4

corres pon ds to a su bs equ en t pa rt of th e PDU bein g received) s h all be 5

a ppen ded to th e con ten ts of th e rea s sem bly bu ffer (with ou t th e SOM 6

pa ra m eter). 7


octets in th e bu ffer , th e da ta rep r es en tin g th e firs t (MSG_LENGTH – 2 ) octets in 9


3 .2 .2 .3 .1 .2 . Th e res u lt of th e com pu ta t ion s h all be com pa red with th e 16 -b its 11

loca ted in th e rea ss em bly bu ffer a fter th e firs t (MSG_LENGTH - 2 ) octets a n d th e 12

followin g a ction s sh a ll be ta ken : 13


h a ve been correct ly received a n d rea s s em bled . 15

16

+ If th e com pu ted CRC is n ot equ al to th e received CRC, th e con ten ts of th e 17


YD/ T 1838 .3 -2008

3 -1

3 BASE STATION REQUIREMENTS 1

Wh en opera t in g on com m on ch a n n els , th e bas e s ta t ion sh a ll m eet th e requ irem en ts 2

s pecified in 3 .1 . Wh en opera t in g on dedica ted ch a n n els th e ba s e s ta t ion s h all m eet th e 3

requ irem en ts s pecified in 3 .2 . 4

3 .1 Common Channel Operation 5

Th e bas e s ta t ion s h all m eet th e requ irem en ts s pecified in 3 .1 .1 for opera t ion on th e r -cs ch 6

a n d in 3 .1 .2 for opera t ion on th e f-csch . 7

3 .1 .1 Recep t ion on r -cs ch 8

Th e bas e s ta t ion s h all m eet th e requ irem en ts specified in 3 .1 .1 .5 .2 , 3 .1 .1 .4 .2 , 3 .1 .1 .3 .2 , 9

3 .1 .1 .2 .2 .2 a n d 3 .1 .1 .1 .2 . 10

3 .1 .1 .1 Au th en tica tion Su b layer 11

3 .1 .1 .1 .1 Pa ra m eters 12

Th e ba se s ta tion in terp rets th e au th en t icat ion fields defin ed in 2 .1 .1 .1 .1 .1 for PDUs 13

received on th e r -cs ch . 14

3 .1 .1 .1 .2 Procedu res 15

Th e ba s e s ta t ion m a y be equ ipped with a da taba s e th a t in clu des u n iqu e m obile s ta tion 16

a u th en tica tion keys , s h a red s ecret da ta , or both , for ea ch regis tered m obile s ta tion in th e 17

s ys tem . Th is da ta ba se is u sed for a u th en t ica tion of m obile s ta t ion s th a t a re equ ipped for 18

a u th en tica tion opera t ion . 19

If th e ba s e s ta t ion su pports m obile s ta tion a u th en t ica tion : 20

• Th e ba s e s ta t ion m a y com pa re th e COUNT field of th e received PDU with its 21

in tern a lly s tored va lu e a ss ocia ted with th e m obile s ta t ion a s iden ti fied by IMSI or 22

TMSI. 23

• Th e ba s e s ta t ion sh a ll com pa re th e RANDC field of th e PDU to th e m os t s ign ifica n t 24

eigh t b its of its in tern a lly s tored valu e of RAND. If th e com pa rison res u lts in a 25

m a tch : 26

– Th e ba s e s ta t ion sh a ll perform a u th en tica t ion ca lcu la t ion s u s in g IMSI_M if it is 27

progra m m ed for th e m obile s ta t ion ; oth erwis e th e ba s e s ta t ion s h a ll u s e IMSI_T. 28

– Th e ba s e s ta t ion sh a ll com pu te th e va lu e AUTHR in th e s a m e m a n n er th a t th e 29

m obile s ta tion does (s ee 2 .1 .1 .1 .2 .2 ), bu t u s in g its in tern al s tored va lu e S SD_A. 30

Th e ba s e s ta t ion sh a ll com pa re th e com pu ted va lu e of AUTHR with th e AUTHR 31

field of th e received PDU. 32

• If a ll of th e perform ed com pa rison s resu lt in m a tch es , th e ba s e s ta tion m a y gra n t 33

a ccess or s ervice. If a n y on e com pa rison fa ils , th e ba s e s ta t io n m a y den y a cces s or 34

s ervice or m a y execu te oth er s ecu rity p rocedu res . 35

YD/ T 1838 .3 -2008

3 -2

3 .1 .1 .2 ARQ Su b layer 1

3 .1 .1 .2 .1 Pa ra m eters 2

Th e ba s e s ta t ion in terp rets th e ARQ fields defin ed in 2 .1 .1 .2 .1 .1 for PDUs received on th e 3

r-cs ch . 4

3 .1 .1 .2 .2 Procedu res 5


Th e ARQ Su bla yer rem oves th e ARQ fields in th e PDUs received on th e r -cs ch a n d pa s ses 7


Wh en th e ARQ Su b layer on th e receiver s ide receives a PDU with th e ACK_REQ field s et to 9

„1 ‟, it p rovides a n in dica tion to th e ARQ Su b layer on th e t ra n s m itter s ide. Th e MSG_SEQ 10

field of th e received PDU a n d th e t im e of recep tion a re a lso p rovided to th e ARQ Su bla yer 11

on th e t ra n s m it ter s ide (see 3 .1 .2 .1 .2 .1 ). 12

Wh en th e ARQ Su bla yer on th e receiver s ide receives a PDU with th e VALID_ACK field s et 13

to „1 ‟, it p rovides a n in d ica t ion to th e ARQ Su b layer on th e t ra n s m it ter s ide (s ee 3 .1 .2 .1 .2 .1 ) 14

togeth er with th e ACK_SEQ a n d ACK_TYPE fields of th e received PDU. 15

Wh en th e ARQ Su b la yer receives a m obile s tat ion in active on com m on ch an n el in d ica t ion 16

from La yer 3 (s ee 3 .6 .3 of [5 ]), it con s iders th e m obile s ta t ion to be n o lon ger a ct ive on th e r -17

cs ch . Th e ARQ Su b layer u ses th is in form a t ion to p roces s PDUs (s ee 3 .1 .1 .2 .2 .2 ). 18

Th e ARQ Su bla yer perform s du plica te detect ion by u s in g th e MSG_SEQ field of th e received 19

PDUs . In th e ca s e wh ere a du p lica te is detected th e ARQ Su b layer p roces s es th e PDU like 20

a n y oth er, bu t ra ises a n in d ica t ion to th e Upper La yers s pecifyin g th a t th e PDU is a 21

du plica te (see 3 .1 .1 .2 .2 .2 ). 22

3 .1 .1 .2 .2 .2 Requ irem en ts for th e Recep t ion Procedu res 23

Wh en receivin g a PDU on th e r -cs ch with th e ACK_REQ field s et to „1 ‟, th e bas e s ta tion 24

s h a ll recogn ize it a s a requ es t for a ckn owledgm en t . See 3 .1 .2 .1 .2 .2 for requ irem en ts on th e 25

proces s in g of a requ es t for a ckn owledgm en t . 26

Wh en receivin g a PDU on th e r -cs ch with th e VALID_ACK field s et to „1 ‟, th e ba s e s ta t ion 27

s h a ll u s e th e ACK_TYPE a n d ACK_SEQ fields of th e received PDU to iden tify th e PDU bein g 28

a ckn owledged . See 3 .1 .2 .1 .2 .2 for requ irem en ts on th e p rocess in g of a PDU a fter bein g 29

a ckn owledged . If th e ba s e s ta t ion receives an a ckn owledgm en t for a PDU th a t wa s 30

t ra n s m it ted on m ore th an on e ch a n n el (e.g., th e Pa gin g Ch a n n el a n d th e Forwa rd Com m on 31

Con trol Ch an n el), th e ba s e s ta t ion s h a ll con s ider th e PDU to h a ve been a ckn owledged for 32

a ll th e ch a n n els on wh ich th e PDU wa s t ra n s m it ted . 33

If th e ba s e s ta t ion perform s du p lica te detection u s in g r -cs ch m es s age sequ en ce n u m bers , it 34

s h ou ld u se th e followin g p rocedu res : Th e ba s e s ta t ion s h ou ld s tore, for ea ch m obile s ta tion 35

th a t is a ct ive on th e r -csch , a received s ta tu s in dica tor for ea ch poss ible va lu e of th e r -cs ch 36

PDU MSG_SEQ field (MSG_SEQ_RCVD[n ], wh ere n h a s a va lu e from 0 to 7 ). 37

YD/ T 1838 .3 -2008

3 -3

Th e ba s e s ta t ion s h ou ld con s ider a m obile s ta tion a ct ive on th e r -cs ch wh en it receives a n 1

r-cs ch PDU from th e m obile s ta t ion . Th e ba s e s ta t ion s h ou ld con s ider th e m obile s ta t ion 2

in a ctive on th e r -csch if eith er of th e followin g con d it ion s exis t : 3

• It h a s received n o PDU from th e m obile s ta t ion with in a t im e p eriod to be s elected 4

by th e ba se s ta t ion m a n u fa ctu rer; or 5

• Th e ARQ Su bla yer receives a m obile s tation in active on com m on ch an n el in dica t ion 6

from La yer 3 . 7

Wh en th e ba s e s ta t ion receives a PDU on th e r -cs ch from a n in a ct ive m obile s ta t ion , th e 8

ba s e s ta t ion s h ou ld s et MSG_SEQ_RCVD[n ] to NO for a ll va lu es of n from 0 to 7 . Th e ba s e 9

s ta t ion sh ou ld th en con s ider th e m obile s ta t ion act ive on th e r -cs ch . 10

For ea ch a ctive m obile s ta tion , th e ba se s ta t ion sh ou ld perform th e followin g p rocedu res : 11

• Wh en a PDU requ irin g a ckn owledgm en t is received (in clu din g a PDU received wh ile 12

th e m obile s ta t ion wa s in a ct ive) h a vin g th e m ess age s equ en ce n u m ber MSG_SEQ, 13

a n d MSG_SEQ_RCVD[MSG_SEQ] is equ a l to NO, th e ba s e s ta t ion sh ou ld p roces s 14

th e PDU a s a n ew PDU. Th e ba se s ta t ion s h ou ld s et MSG_SEQ_RCVD[MSG_SEQ] 15

to YES a n d s h ou ld s et MSG_SEQ_RCVD[(MSG_SEQ + 4 ) m odu lo 8 ] to NO. 16


n u m ber MSG_SEQ, a n d MSG_SEQ_RCVD[MSG_SEQ] is equ al to YES, th e ba s e 18

s ta t ion sh a ll a ckn owledge th e PDU a s s pecified in 3 .1 .2 .1 .2 .2 bu t s h ou ld t rea t th e 19

PDU a s a du plica te. Requ irem en ts for th e p rocess in g of SDUs th a t a re pa rt of PDUs 20

received in du plica te a re given in [5]. 21


3 .1 .1 .3 .1 Pa ra m eters 23

Th e ba s e s ta t ion in terp rets th e a ddres s in g fields defin ed in 2 .1 .1 .3 .1 for PDUs received on 24

th e r -csch . 25

3 .1 .1 .3 .2 Procedu res 26

Th e ba se s ta tion sh ou ld iden tify th e m obile s ta tion ba s ed u pon th e a ddres s in g fields in th e 27

received PDU a n d fu rth er p roces s th e PDU in th e con tex t of th e iden t ified m obile s ta t ion . 28


3 .1 .1 .4 .1 Pa ra m eters 30

Th e ba s e s ta t ion in terp rets th e fields defin ed in 2 .1 .1 .4 .1 for PDUs received on th e r -csch . 31

3 .1 .1 .4 .2 Procedu res 32

Th e va lu e of th e PD field iden tifies th e form a t of th e PDU (s ee 2 .1 .1 .4 .1 .1 .2 a n d 2 .1 .1 .4 .2 ). 33

Th e ba s e s ta tion s h ou ld iden tify th e SDU ca rried by th e received PDU ba s ed u pon th e 34

YD/ T 1838 .3 -2008

3 -4

MSG_ID field a s s h own in Ta ble 2 .1 .1 .4 .1 .1 .2 -1 . If th e MSG_ID field ca n n ot be m a pped to 1

MSG_TAG, th e PDU s h ou ld be d isca rded .21 2

If th e ba s e s ta t ion receives a va lid PDU, th e ba se s ta t ion sh a ll do th e followin g: 3


s h a ll m a ke th e SDU in clu ded in th e PDU a vaila b le to La yer 3 , togeth er with th e 5

Exten ded-En cryp tion fields (see 3 .1 .2 .3 .1 .3 .1 ). 6


s h a ll m a ke th e SDU in clu ded in th e PDU a va ila b le to La yer 3 , togeth er with 8

SDU_ENCRYPT_MODE s et to „000‟. 9


3 .1 .1 .5 .1 Pa ra m eters 11

Th e ba s e s ta t ion s h a ll u s e th e pa ra m eters defin ed in 2 .1 .1 .5 .1 .1 for opera t ion on th e r -csch . 12

3 .1 .1 .5 .2 Procedu res 13

Th e ba s e s ta t ion s h a ll a s s em ble PDUs from en ca ps u la ted PDU fra gm en t s received on th e 14

r-cs ch , u s in g th e followin g p rocedu re: 15

• A rea s s em bly bu ffer la rge en ou gh to a ccom m oda te th e la rges t en ca psu la ted PDU 16

s h a ll be a va ila b le. Th e bu ffer s h a ll be em pty in it ia lly a n d s h a ll be em ptied 17

im m edia tely a fter ea ch com pletion of th e rea s s em bly p rocedu re or a t th e en d of th e 18

m obile s ta tion ‟s a cces s p robe, wh ich ever com es firs t , rega rd les s of wh eth er a PDU 19

wa s s u cces s fu lly rea s s em bled or n ot . 20


– If th e en ca psu la ted PDU fra gm en t is received on th e Acces s Ch an n el: 22

+ Th e en ca psu la ted PDU fra gm en t sh a ll be p la ced in th e rea s sem bly bu ffer 23

im m edia tely a fter th e p reviou s en ca psu la ted PDU fra gm en t . 24

+ Th e firs t eigh t b its in th e rea s s em bly bu ffer s h a ll be in terp reted a s th e 25

MSG_LENGTH pa ra m eter a s s ocia ted with th e PDU. If MSG_LENGTH is les s 26

th a n s ix, th e rea s s em bly bu ffer s h a ll be em ptied . 27

– If th e en ca psu la ted PDU fra gm en t is received on th e Revers e Com m on Con trol 28

Ch a n n el or on th e En h a n ced Access Ch a n n el: 29

+ Th e SI pa ra m eter s h a ll be rem oved from th e fra gm en t . 30

+ Th e en ca psu la ted PDU fra gm en t sh a ll be p la ced in th e rea s sem bly bu ffer 31

im m edia tely a fter th e p reviou s en ca psu la ted PDU fra gm en t . 32

21 Th e b a se s ta tion m ay ch oose to d iscard th e m ess age on ly a fter a ck n owledgin g it , if p oss ib le, to try

to p reven t th e m ob ile s ta tion from m on op olizin g th e a cces s ch a n n el with retra n s m is s ion s of th e s am e

erron eou s m ess age in s u ccess ive a cces s p robes .

YD/ T 1838 .3 -2008

3 -5

+ Th e firs t b it of th e rea s sem bly bu ffer s h a ll be in terp reted a s th e 1

EXT_MSG_LENGTH pa ra m eter . 2


in terp reted a s th e MSG_LENGTH pa ra m eter a s s ocia ted with th e PDU. If 4

MSG_LENGTH is les s th a n s ix, th e rea s s em bly bu ffer s h a ll be em ptied . 5

If EXT_MSG_LENGTH is equ al to „1 ‟, th e n ext 15 b its sh a ll be in terp reted 6

a s th e MSG_LENGTH pa ra m eter a s socia ted with th e PDU. If 7

MSG_LENGTH is les s th a n 128 , th e rea s s em bly bu ffer s h a ll be em ptied . 8

– If th e rea s s em bly bu ffer is n ot em pty a n d th ere a re a t lea s t MSG_LENGTH octets 9

in th e rea s s em bly bu ffer , or a t th e en d of th e r -csch t im e s lot , wh ich ever com es 10

firs t , th e ba s e s ta tion s h all ru n th e firs t MSG_LENGTH 8 - 30 b its in th e 11

rea s s em bly bu ffer th rou gh th e 30 -bit CRC com pu ta t ion p rocedu re des cribed in 12

2 .1 .1 .5 .1 .2 . Th e res u lt of th e com pu ta t ion s h all be com pa red with th e 30 b its 13




h a ve been correct ly received a n d rea s s em bled . Th en : 17

If th e PDU is received on th e Acces s Ch an n el, th e con ten ts of th e 18

rea s s em bly bu ffer , s ta r t in g with th e 9 th b it a n d en d in g with th e b it h avin g 19

th e ordin al MSG_LENGTH 8 - 30 , a re t rea ted a s a va lid PDU a n d s h all 20


If th e PDU is received on th e Revers e Com m on Con trol Ch a n n el or on th e 22

En h a n ced Acces s Ch a n n el: 23


bu ffer , s ta r t in g with th e 9 th b it a n d en din g with th e b it h a vin g th e 25

ord in a l MSG_LENGTH 8 - 30 , a re t rea ted a s a va lid PDU a n d s h a ll 26



bu ffer , s ta r t in g with th e 17 th b it a n d en d in g with th e b it h a vin g th e 29



Th e rea s sem bly p rocedu re sh a ll be con s idered com plete a t th is poin t . 32

+ If th e com pu ted CRC is n ot equ al to th e received CRC, th e p rocedu re 33

com pletes by em ptyin g th e rea s s em bly bu ffer a n d d is ca rd in g its con ten ts . 34

3 .1 .2 Tra n s m is s ion on f-cs ch 35

Th e ba s e s ta tion s h all m eet th e requ irem en ts s pecified in 3 .1 .2 .1 .1 .2 , 3 .1 .2 .2 .2 , 3 .1 .2 .3 .2 36

a n d 3 .1 .2 .4 .2 wh en t ra n s m it t in g on th e gen era l s ign a lin g ch an n el. Th e ba s e s ta t ion s h all 37

m eet th e requ irem en ts s pecified in 3 .1 .2 .3 .2 a n d 3 .1 .2 .4 .2 wh en t ra n s m it tin g on th e s yn c 38

or on th e b roa dcas t logica l ch a n n els . 39

YD/ T 1838 .3 -2008

3 -6


3 .1 .2 .1 .1 Pa ra m eters 2

Th e ba s e s ta t ion s h all u se th e ARQ fields defin ed in 3 .1 .2 .1 .1 .1 for PDUs t ra n s m it ted on 3

th e f-csch . Th e ba s e s ta tion s h all s et th e ARQ fields a ccord in g t o th e requ irem en ts 4

s pecified in 3 .1 .2 .1 .1 .2 . 5


For PDUs ca rryin g th e Gen eral Page Mes s age an d for PDUs ca rryin g th e Un ivers al Page 7

Mess age a n d for PDUs ca rryin g th e B roadcas t Page an d Ch an n el As s ign m en t Mess age , th e 8

ARQ fields h a ve th e followin g form a t : 9

10


MSG_SEQ 3

11

For a ll oth er PDUs , th e ARQ fields h ave th e followin g form a t : 12

13


ACK_SEQ 3

MSG_SEQ 3

ACK_REQ 1

VALID_ACK 1

14

ACK_SEQ – Ackn owledgm en t sequ en ce n u m ber. 15

If VALID_ACK is s et to „1 ‟, th is field con tain s th e va lu e of th e 16

MSG_SEQ field of a PDU received on th e r -csch th a t is bein g 17

a ckn owledged on th e f-cs ch ; oth erwis e, th is field m a y con ta in 18

a n y va lu e. 19

MSG_SEQ – Mess a ge sequ en ce n u m ber. 20

Th is field con ta in s th e m es s a ge s equ en ce n u m ber for th e PDU 21

bein g s en t on th e f-cs ch . 22

ACK_REQ – Ackn owledgm en t requ ired in d ica tor . 23

Th is field in dica tes wh eth er th e PDU bein g s en t on th e f-cs ch 24

requ ires a n a ckn owledgm en t from th e m obile s ta tion . Th e 25

ACK_REQ field is set to „1 ‟ if a n a ckn owledgm en t is requ ired ; 26

oth erwis e, th e field is s et to „0 ‟. 27

VALID_ACK – Va lid a ckn owledgm en t in d ica tor . 28

YD/ T 1838 .3 -2008

3 -7

Th is field is s et to „1 ‟ wh en th e PDU bein g sen t on th e f-csch 1

in clu des a n a ckn owledgem en t for a PDU received on th e 2

r-cs ch ; oth erwis e, th e field is s et to „0 ‟. 3


Th e ba se s ta t ion s h all set th e ACK_REQ field to „1 ‟ to requ es t a n a ckn owledgm en t from th e 5

m obile s ta t ion for a PDU s en t on th e f-cs ch ; oth erwis e, th e ba s e s ta t ion s h all s et th e 6

ACK_REQ field to „0 ‟. Wh en s en din g a PDU th a t h a s th e ADDR_TYPE field s et to „101‟ [s ee 7

3 .1 .2 .2 .1 .3 ], in d ica t in g a b roa dca s t a ddress , th e ba s e s ta t ion sh ou ld s et th e ACK_REQ field 8

to „0 ‟. 9

Th e ba s e s ta t ion sh a ll s et th e MSG_SEQ field a ccord in g to th e followin g p rocedu r e: 10

Th e ba s e s ta t ion s h all m a in ta in in depen den t m ess a ge n u m berin g s equ en ces (MSG_SEQ) on 11

th e f-csch for ea ch m es s age a ddress type (i.e., for ea ch va lu e of th e ADDR_TYPE field th a t is 12

u s ed) a n d for ea ch a ddres s . Th e a ddres s type is determ in ed by th e Addres s in g Su bla yer 13

(s ee 3 .1 .2 .2 ) or is p rovided by La yer 3 , togeth er with th e SDU to be t ra n s m itted . For ea ch 14

m es s a ge a ddres s type, s epa ra te m es s age n u m berin g s equ en ces sh a ll be m a in ta in ed for 15

m es s a ges requ irin g a ckn owledgm en t a n d for m es s a ges n ot requ irin g a c kn owledgm en t . 16

Ea ch ba s e s ta t ion m a y m a in ta in th e s equ en ce n u m bers in depen den t ly of oth er ba s e 17

s ta t ion s . For ea ch n ew m es s a ge s en t to a m es s a ge a ddres s , th e ba s e s ta t ion s h a ll 18

in crem en t th e a ppropria te MSG_SEQ va lu e, m odu lo 8 . 19

Wh en sen din g a PDU th a t in clu des a n a ckn owledgm en t : 20

• Th e ba s e s ta t ion sh a ll s et th e VALID_ACK field to „1 ‟ 21

• Th e ba s e s ta t ion sh a ll s et th e ACK_SEQ field to th e MSG_SEQ field of th e PDU 22

received on th e r -cs ch a n d bein g a ckn owledged . 23

Wh en sen din g a PDU th a t does n ot in clu de a n a ckn owledgm en t : 24

• Th e ba s e s ta t ion sh a ll s et th e VALID_ACK field to „0 ‟ 25

• Th e ba s e s ta t ion m a y s et th e ACK_SEQ field to a n y va lu e. 26

3 .1 .2 .1 .2 Procedu res 27


Th e ARQ Su bla yer con trols th e t ra n s m is s ion a n d ret ra n s m iss ion of PDUs on th e f-csch . 29

Th e ARQ Su bla yer receives an SDU from th e Upper La yers , a s well a s an in dica t ion of 30

wh eth er a n a ckn owledgm en t for th a t SDU s h ou ld be requ ired from th e m obile s ta t ion , a 31

repet ition cou n ter in dica t in g h ow m a n y t im e s th e PDU con ta in in g th e SDU s h ou ld be 32

repea ted (to in crea s e th e p roba b ility of delivery), a n d a n in d ica t ion of th e a ddress in g type 33

for th e PDU (th e Upper La yers m a y p rovide a n exp licit a ddress type or a n in dica t ion to u s e 34

th e defa u lt va lu e a ppropria te for th e m obile s ta t ion bein g a ddress ed). Ba s ed u pon th is 35

in form a t ion , th e ARQ Su b layer s ets th e va lu e of th e ACK_REQ field a n d a s s ign s a 36

MSG_SEQ va lu e to th e PDU, a s des cribed in 3 .1 .2 .1 .1 .2 . If th e PDU is ret ra n s m it ted , a ll of 37

th e t ra n s m is s ion s occu r with in a T4m secon ds in terva l, s ta r t in g with th e firs t t ra n s m is s ion . 38

YD/ T 1838 .3 -2008

3 -8

Du rin g th e T4m s econ ds in terva l followin g th e la s t t ra n s m is s ion of th e PDU, th e s a m e valu e 1

for MSG_SEQ ca n n ot be u s ed in t ra n s m is s ion s to th e s a m e des tin a tion a n d a ddress type. 2

Th e ARQ Su bla yer on th e t ra n s m it ter s ide m a y get a n in dica t ion from th e ARQ Su bla yer on 3

th e receiver s ide th a t a PDU received on th e r -cs ch n eeds to be a ckn owledged on th e f-csch . 4

In s u ch ca s es , th e MSG_SEQ of th e received PDU a n d th e t im e of th e recep t ion of th e PDU 5

by th e bas e s ta tion a re a ls o m a de a vaila ble. With in ACH_ACC_TMO 80 m s (if th e PDU 6

wa s received on th e Acces s Ch an n el) or with in EACH_ACC_TMO 20 m s (if th e PDU wa s 7

received on th e En h a n ced Access Ch an n el or th e Revers e Com m on Con trol Ch a n n el) s in ce 8

th e in d ica ted t im e of recep tion , th e ARQ Su bla yer on th e t ra n s m it ter s ide t ra n s m its a PDU 9

th a t in clu des a n a ckn owledgm en t for th e received PDU. Th e t ra n s m it ted PDU m a y be 10

ca rryin g a n SDU from th e Upper La yers or m a y be gen era ted loca lly by th e ARQ Su b layer. 11

Th e a ckn owledgm en t for th e received PDU m a y be in clu ded in s ever a l PDUs t ra n s m it ted on 12

th e f-csch . 13

Th e ARQ Su bla yer on th e t ra n s m it ter s ide m a y get a n in dica t ion from th e ARQ Su bla yer on 14

th e receiver s ide th a t a n a ckn owledgm en t for a PDU s en t on th e f-cs ch a n d requ ir in g 15

a ckn owledgm en t wa s received on th e r -cs ch . Th e va lu es of th e ACK_SEQ a n d ACK_TYPE 16

fields in th e received PDU a re a ls o p rovided to th e ARQ Su bla yer on th e t ra n s m it ter s ide, 17

a n d a re u s ed to iden tify th e PDU with th e s a m e va lu e in th e MSG_SEQ field a n d a wa itin g 18

ret ra n s m iss ion . Th e ret ra n s m is s ion of th e id en tified PDU is term in a ted . 19


For PDUs requ ir in g a ckn owledgm en t received on th e Access Ch a n n el, th e ba s e s ta t ion s h all 21

s en d th e a ckn owledgm en t(s ) on th e Pa gin g Ch a n n el. For PDUs requ ir in g a ckn owledgm en t 22

received on th e En h an ced Access Ch a n n el or th e Revers e Com m on Con trol Ch an n el, th e 23

ba s e s ta tion sh a ll s en d th e a ckn owledgm en t(s ) on th e Forwa rd Com m on Con trol Ch a n n el. 24

Th e ba s e s ta tion sh a ll wait a t lea s t T4m s econ ds a fter t ra n s m it t in g a MSG_SEQ n u m ber in 25

a PDU s en t to a n a ddres s before u s in g th e s a m e MSG_SEQ n u m ber in a d ifferen t PDU (see 26

Figu re 3 .1 .2 .1 .2 .2 -1 ). 27

Th e ba se s ta t ion m a y s en d th e s a m e PDU s evera l t im es to in crea se th e p roba bility of 28

recep tion . Th e ba s e s ta t ion sh a ll com plete a ll retra n s m is s ion s of th e s a m e PDU with in T4 m 29

s econ ds a fter th e firs t t ra n s m is s ion , a s s h own in Figu re 3 .1 .2 .1 .2 .2 -1 . 30

31

f-csch

T4m

T4m expires

The base station does nottransmit a PDU with

MSG_SEQ number k thatends in this interval

Last transmissionof a PDU with

MSG_SEQ number k

T4m is initialized

First transmissionof a PDU with

MSG_SEQ number k

Less than T 4m

32

YD/ T 1838 .3 -2008

3 -9

1

Figu re 3 .1 .2 .1 .2 .2 -1 . MSG_SEQ Reu s e 2

3

Th e ba s e s ta t ion s h ou ld n ot ret ra n s m it a PDU requ irin g a ckn owledgm en t a fter th e 4

t ra n s m it ted PDU wa s a ckn owledged (see 3 .1 .1 .2 .2 .2 ). 5

Wh en requ es ted (s ee 3 .1 .1 .2 .2 .2 ), th e ba se s ta t ion s h a ll a ckn owledge PDUs received on th e 6

r-cs ch by in clu d in g a ckn owledgm en ts in PDUs s en t on th e f-cs ch to th e s a m e m obile 7

s ta t ion . Th e a ckn owledgm en t sh a ll be t ra n s m it ted with in ACH_ACC_TMO 80 m s (if th e 8

PDU wa s received on th e Acces s Ch a n n el) or with in EACH_ACC_TMO 20 m s (if th e PDU 9

wa s received on th e En h an ced Access Ch an n el or th e Reverse Com m on Con trol Ch a n n el), 10

a fter receivin g a n in d ica t ion of a PDU from th e m obile s ta t ion th a t requ ires 11

a ckn owledgm en t , wh ere: 12

• ACH_ACC_TMO is th e va lu e s en t in th e ACC_TMO field of th e Access Param eters 13

Mess age on th e m obile s ta t ion ‟s a s s ign ed f-cs ch ; 14

• EACH_ACC_TMO is th e va lu e s en t in th e ACC_TMO field of th e En h an ced Acces s 15

Param eters Mess age on th e m obile s ta t ion ‟s a ss ign ed f-csch . 16

Th e ba s e s ta t ion m a y in clu de th e a ckn owledgm en t in a n exis tin g PDU ca rryin g a n SDU or 17

in a gen era ted PDU ca rryin g a n SDU wh ich h a s th e followin g form a t (to be s en t a s a n Order 18

Mess age):22 19

20


ORDER = „010000‟ 6


21

To in clu de a n a ckn owledgm en t for a received PDU, th e ba s e s ta t ion sh a ll s et th e 22

VALID_ACK field to „1 ‟ a n d s h a ll s et th e ACK_SEQ field in su bs equ en t f-csch PDUs d irected 23

to th a t m obile s ta tion to th e MSG_SEQ field specified in th e received PDU. Th e VALID_ACK 24

field sh a ll be s et to „1 ‟ for th e firs t t ra n s m is s ion of th e PDU with th is va lu e of ACK_SEQ sen t 25

to th e m obile s ta t ion on th e f-cs ch . For a ll f-cs ch t ra n s m is s ion s of th e PDUs a fter th e firs t , 26

d irected to th e s a m e m obile s ta t ion a n d con ta in in g th e s a m e ACK_SEQ field va lu e: 27

• Th e ba s e s ta t ion m a y s et th e VALID_ACK field to „1 ‟ if th e PDU is s en t with in T4m 28

s econ ds a fter th e firs t t ra n s m is s ion (s ee Figu re 3 .1 .2 .1 .2 .2 -1 ). 29

22 In [11 ], th is “ackn owledgm en t -sp ecific” PDU is referred to a s th e Base S tation Ack n owledgem en t

Order.

YD/ T 1838 .3 -2008

3 -10

• Th e ba s e s ta t ion sh a ll s et th e VALID_ACK field to „0 ‟ if th e PDU is s en t m ore th an 1

T4m s econ ds a fter th e firs t t ra n s m is s ion . 2


3 .1 .2 .2 .1 Pa ra m eters 4

Th e a ddress in g fields of pa ge records in clu ded in a Gen eral Page Mes s age a re described in 5

3 .1 .2 .2 .1 .1 . Th e a ddres s in g fields of pa ge records in clu ded in a Un ivers al Page Mes s age a re 6

des cribed in 3 .1 .2 .2 .1 .2 . The addressing fields of page records included in a Broadcast Page and Channel 7

Assignment Message are described in 3.1.2.2.1.3. Th e a ddres s in g fields of a ll oth er PDUs a re 8

des cribed in 3 .1 .2 .2 .1 .3 . 9

3 .1 .2 .2 .1 .1 Addres s in g Fields of Pa ge Records in a Gen eral Page Mes s age 10

3 .1 .2 .2 .1 .1 .1 Pa ge Cla s s Fields of a Gen eral Page Mess age 11

Th e ba s e s ta tion sh a ll u s e th e fields defin ed in 3 .1 .2 .2 .1 .1 .1 .1 for ea ch record in clu ded in a 12

Gen eral Page Mess age. Th e ba s e s ta t ion s h a ll s et th es e fields a ccordin g to th e 13

requ irem en ts in 3 .1 .2 .2 .1 .1 .1 .2 . 14

3 .1 .2 .2 .1 .1 .1 .1 Defin ition of Pa ge Cla s s Fields of a Gen eral Page Mes s age 15

Th e pa ge cla ss fields h a ve th e followin g form a t : 16

17


PAGE_CLASS 2

PAGE_SUBCLASS 2

PAGE_SUBCLASS_EXT 0 or 2

18

PAGE_CLASS – Cla s s of th e pa ge record in clu ded in th e m ess a ge. 19

PAGE_SUBCLASS – Su bcla ss of th e page record in clu ded in th e m es sa ge. 20

PAGE_SUBCLASS_EXT – Su bcla ss exten s ion of th e pa ge record in clu ded in th e 21

m es s a ge. 22

23

Th e ba s e s ta tion u ses th e PAGE_CLASS, PAGE_SUBCLASS a n d PAGE_SUBCLASS_EXT 24

fields to iden tify th e type of th e pa ge record in clu ded in th e m es s a ge. Pa ge records with 25

PAGE_CLASS s et to „00‟ a re u s ed to pa ge m obile s ta t ion s th a t h a ve regis tered with a cla s s 0 26

IMSI. Pa ge records with PAGE_CLASS s et to „01‟ a re u s ed to pa ge m obile s ta t ion s th a t h a ve 27

regis tered with a cla s s 1 IMSI. Pa ge records with PAGE_CLASS s et to „10‟ a re u s ed to page 28

m obile s ta t ion s u s in g a TMSI. Pa ge records with PAGE_CLASS s et to „11‟ a n d 29

PAGE_SUBCLASS s et to „00‟ a re u s ed to a n n ou n ce b roa dca s t m es s ages s en t on th e Pa gin g 30

Ch a n n el. Pa ge records with PAGE_CLASS s et to „11‟, PAGE_SUBCLASS s et to „11‟, a n d 31

YD/ T 1838 .3 -2008

3 -11

PAGE_SUBCLASS_EXT s et to „00‟ a re u s ed to an n ou n ce b roa dca s t m es s a ges s en t on th e 1

Broa dca s t Con trol Ch a n n el. 2

3 .1 .2 .2 .1 .1 .1 .2 Requ irem en ts for Set t in g Pa ge Clas s Fields of a Gen eral Page Mes s age 3

Th e ba s e s ta t ion s h a ll s et th e PAGE_CLASS, PAGE_SUBCLASS a n d PAGE_SUBCLASS_EXT 4

(if in clu ded) fields of ea ch pa ge record in clu ded in a Gen eral Page Mes s age , a s s pecified in 5

Ta ble 3 .1 .2 .2 .1 .1 .1 .2 -1 , to iden t ify th e type of th e pa ge record . 6

7

YD/ T 1838 .3 -2008

3 -12

Table 3 .1 .2 .2 .1 .1 .1 .2 -1 . Page Record Formats (part 1 of 2 ) 1

Description

PAGE-

_CLASS

(binary)

PAGE-

_SUBCLASS

(binary)

PAGE-

_SUBCLASS-

_EXT

(binary)

Page

Record

Format

Nu mber

Cla s s 0 , IMSI_S

in clu ded

00 00 0

Cla s s 0 , IMSI_S a n d


00 01 1


MCC in clu ded

00 10 2

Cla s s 0 , IMSI_S,

IMSI_11_12 , a n d MCC

in clu ded

00 11 3



01 00 4

Cla s s 1 , IMSI_S,

IMSI_11_12 , a n d MCC

in clu ded

01 01 5

Res erved 01 10 6

Res erved 01 11 7

Cla s s 2 with 32-b it

TMSI_CODE_ADDR

(TMSI_ZONE n ot

in clu ded)

10 00 8


TMSI_CODE_ADDR

(TMSI_ZONE n ot

in clu ded)

10 01 9


TMSI_CODE_ADDR

(TMSI_ZONE n ot

in clu ded)

10 10 10


TMSI_CODE_ADDR

(TMSI_ZONE in clu ded)

10 11 11

Cla s s 3 , Broa dca s t

(Pa gin g Ch a n n el on ly)

11 00 12

YD/ T 1838 .3 -2008

3 -13

Table 3 .1 .2 .2 .1 .1 .1 .2 -1 . Page Record Formats (part 2 of 2 ) 1

Description

PAGE-

_CLASS

(binary)

PAGE-

_SUBCLASS

(binary)

PAGE-

_SUBCLASS-

_EXT

(binary)

Page

Record

Format

Nu mber

Cla s s 3a (Res erved for

MC-MAP)

11 01 00 13 .0


MC-MAP)

11 01 01 13 .1


MC-MAP)

11 01 10 13 .2


MC-MAP)

11 01 11 13 .3

Cla s s 3b (Res erved for

MC-MAP)

11 10 00 14 .0


MC-MAP)

11 10 01 14 .1


MC-MAP)

11 10 10 14 .2

Res erved 11 10 11 14 .3

Cla s s 3c, En h a n ced

Broa dca s t

(Forwa rd Com m on

Con trol Ch a n n el on ly)

11 11 00 15 .0

Cla s s 3c, Pa rt ia l IMSI

(Un ivers al Page

Mess age on ly)

11 11 01 15 .1

Cla s s 3c, Pa rt ia l TMSI

(Un ivers al Page

Mess age on ly)

11 11 10 15 .2

Res erved 11 11 11 15 .3

2

Th e ba s e s ta t ion s h a ll u se th e followin g p rocedu re to s elect th e clas s of ea ch pa ge record : 3

• Th e ba s e s ta t ion m a y pa ge th e m obile s ta tion u s in g a pa ge record with 4

PAGE_CLASS equ a l to „00‟ a n d PAGE_SUBCLASS equ a l to „00‟ if a ll of th e followin g 5


– Th e m ob ile s ta t ion ‟s IMSI is a cla s s 0 IMSI, 7

– Th e IMSI_11_12 s en t by th e ba s e s ta tion in overh ea d m es s a ges is set to 8

„1111111‟ or is equ a l to IMSI_11_12 a s s ign ed to th e m obile s ta t ion , 9

YD/ T 1838 .3 -2008

3 -14

– Th e MCC s en t by th e ba s e s ta tion in overh ea d m es s a ges is set to „1111111111 ‟ 1

or is equ al to th e MCC a s s ign ed to th e m obile s ta tion . 2




– Th e m obile s ta t ion ‟s IMS I is a cla s s 0 IMSI, 6

– Th e MCC a s s ign ed to th e m obile s ta t ion is equ a l to th e MCC s en t by th e ba s e 7

s ta t ion in overh ea d m es s a ges . 8


PAGE_CLASS equ a l to „00‟ a n d PAGE_SUBCLASS equ a l to „10 ‟ if a ll of th e followin g 10


– Th e m obile s ta t ion ‟s IMSI is a cla s s 0 IMSI, 12

– Th e IMSI_11_12 a s s ign ed to th e m obile s ta t ion is equ a l to th e IMSI_11_12 s en t 13

by th e ba se s ta t ion in overh ea d m es s ages . 14


PAGE_CLASS equ a l to „00‟ a n d PAGE_SUBCLASS equ a l to „11‟ if th e m obile s ta t ion ‟s 16

IMSI is a clas s 0 IMSI. 17











PAGE_CLASS equ a l to „10‟ a n d PAGE_SUBCLASS equ a l to „00‟ if th e m obile s ta t ion 28

h a s been a s s ign ed a TMSI with in th e s a m e TMSI zon e a s th e ba s e s ta t ion . 29


PAGE_CLASS equ a l to „10‟ a n d PAGE_SUBCLASS equ a l to „01‟ if th e followin g 31


– Th e m obile s ta t ion h a s been a s s ign ed a TMSI with in th e s a m e TMSI zon e a s th e 33

ba s e s ta t ion , a n d 34

– Th e m os t s ign ifican t octet of TMSI_CODE is equ a l to „00000000‟. 35




YD/ T 1838 .3 -2008

3 -15



– Th e two m os t s ign ifican t octets of TMSI_CODE a re both equ a l to „00000000‟. 3

• If th e ba s e s ta t ion pages th e m obile s ta t ion u s in g th e TMSI a s s ign ed to th e m obile 4

s ta t ion a n d th e TMSI wa s a s s ign ed in a d ifferen t TMSI zon e th a n th a t bein g s en t by 5

th e ba s e s ta t ion in overh ea d m es s a ges , th e ba se s ta t ion s h all u s e a pa ge record with 6



PAGE_CLASS equ a l to „11‟ a n d PAGE_SUBCLASS equ a l to „00‟ a n d BURST TYPE 9

equal to „111100‟.if m ob ile s ta t ion su pports PTT service . 10

• Th e ba s e s ta t ion m a y a n n ou n ce on th e Pa gin g Ch a n n el th e p res en ce of b roa dca s t 11

Data B u rs t Mess ages on th e Pa gin g Ch a n n el by pa gin g, u s in g a b roa dca s t a ddress 12

with PAGE_CLASS equ al to „11‟ a n d PAGE_SUBCLASS equ al to „00‟, a n d BURST 13

TYPE not equal to „111100‟. 14

• Th e ba s e s ta t ion m a y a n n ou n ce on th e Forwa rd Com m on Con trol Ch a n n el th e 15

pres en ce of b roa dca s t Data Bu rs t Mes s ages on th e Broa dca s t Con trol Ch a n n el by 16

pa gin g, u s in g a b roa dca s t a ddress with PAGE_CLASS equ al to „11‟, 17

PAGE_SUBCLASS equ al to „11‟, a n d PAGE_SUBCLASS_EXT equ a ls „00‟. 18

3 .1 .2 .2 .1 .1 .2 Pa ge Type-s pecific Fields of a Gen eral Page Mes s age 19


Gen eral Page Mess age. Th e ba s e s ta t ion s h a ll s et th es e fields a ccordin g to th e 21

requ irem en ts in 3 .1 .2 .2 .1 .1 .2 .2 . 22

3 .1 .2 .2 .1 .1 .2 .1 Defin ition of Pa ge Type-s pecific Fields of a Gen eral Page Mes s age 23

If PAGE_CLASS is equ al to „00‟ a n d PAGE_SUBCLASS is equ a l to „00‟ (pa ge record form a t is 24

equ a l to 0 ), th e page type-specific fields h a ve th e followin g form a t : 25

26


IMSI_S 34

27



30


IMSI_11_12 7

IMSI_S 34

31

YD/ T 1838 .3 -2008

3 -16



3


MCC 10

IMSI_S 34

4



7


MCC 10

IMSI_11_12 7

IMSI_S 34

8

If PAGE_CLASS is equ al to „01‟ a n d PAGE_SUBCLASS is equ a l to „00‟ (pa ge reco rd form a t is 9


11


IMSI_ADDR_NUM 3

IMSI_11_12 7

IMSI_S 34

12



15


IMSI_ADDR_NUM 3

MCC 10

IMSI_11_12 7

IMSI_S 34

16

YD/ T 1838 .3 -2008

3 -17



3


TMSI_CODE_ADDR 32

4



7


TMSI_CODE_ADDR 24

8


equ a l to 10), th e pa ge type-s pecific fields h a ve th e followin g form a t : 10

11


TMSI_CODE_ADDR 16

12



15


TMSI_ZONE_LEN 4

TMSI_ZONE 8 TMSI_ZONE_LEN

TMSI_CODE_ADDR 32

16


equ a l to 12) a n d BURST_TYPE is equ al to „110000 ‟, th e pa ge type-s pecific fields h a ve th e 18


– If ADDR_LEN is equ al to „0101 ‟， ADDR_TYPE s h a ll be equ al to „00 ‟a n d BC_ADDR 20

fields h a ve the following format ： 21

22

Field Length (bits)

MSG_SEQ 3

YD/ T 1838 .3 -2008

3 -18

ADDR_TYPE 2

GID 28

DACH_NUM 4

PREAMBLE_SIZE 2

RESERVED 1

1

– If ADDR_LEN is equ a l to „1000 ‟， ADDR_TYPE s h a ll be equ a l to 2

„01 ‟a n d BC_ADDR fields h a ve th e followin g form a t ： 3

Field Length (bits)

MSG_SEQ 3

ADDR_TYPE 2

GID 52

DACH_NUM 4

PREAMBLE_SIZE 2

RESERVED 1

4

MSG_SEQ – Mess a ge sequence number. 5

ADDR_TYPE – GID Address field type. 6

GID – Grou p ID(s ee[5]) . 7

DACH_NUM – n u m ber of dyn a m ic a ccess ch an n els . 8

PREAMBLE_SIZE – p rea m ble len gth of dyn a m ic a ccess 9

ch a n n els . 10

RESERVED – Reserved bits. 11



14


BURST_TYPE 6

ADDR_LEN 4

BC_ADDR 8 ADDR_LEN

15

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3 -19

If PAGE_CLASS is equ al to „11‟, a n d if PAGE_SUBCLASS is equ a l to „01‟, a n d if 1

PAGE_SUBCLASS_EXT = „00‟ (pa ge record form a t is equ a l to 13 .0 ), th e pa ge type -s pecific 2

fields h a ve th e followin g form a t : 3

4


RESERVED 32

5




9


RESERVED 24

10

If PAGE_CLASS is equ al to „11 ‟, a n d if PAGE_SUBCLASS is equ a l to „01‟, a n d if 11



14


RESERVED 16

15




19


LENGTH 4

RESERVED 8 LENGTH + 32

20

YD/ T 1838 .3 -2008

3 -20




4


RESERVED 32

5




9


RESERVED 68

10




14


RESERVED 76

15




19


BURST_TYPE 6

ADDR_LEN 4

BC_ADDR 8 ADDR_LEN

20

YD/ T 1838 .3 -2008

3 -21






TMSI_ZONE_LEN – TMSI zon e len gth . 6


BURST_TYPE – Da ta bu rs t type. 8

ADDR_LEN – Address field len gth . 9

BC_ADDR – Broa dca s t a ddress . 10

LENGTH – Len gth pa ra m eter . 11


3 .1 .2 .2 .1 .1 .2 .2 Requ irem en ts for Set tin g Pa ge Type -s pecific Fields of a Gen eral Page 13

Mess age 14

Th e bas e s ta t ion s h all s et th e pa ge type -s pecific fields of ea ch pa ge record in clu ded in th e 15

Gen eral Page Mes s age a ccordin g to th e pa ge record form a t n u m ber defin ed in Ta b le 16

3 .1 .2 .2 .1 .1 .1 .2 -1 . 17

Th e ba s e s ta tion sh a ll u s e on ly th e pa ge record form a t equ a l to n in e if th e m os t s ign ifica n t 18

octet of th e TMSI code a ss ign ed to th e s pecified m obile s ta tion is „00000000‟. 19

Th e ba s e s ta t ion s h a ll on ly u s e th e pa ge record form a t equ a l to ten if th e two m os t 20

s ign ifica n t octets of th e TMSI code a s s ign ed to th e s pecified m obile s ta t ion a re „00000000‟. 21

Th e ba s e s ta t ion sh a ll s et th e pa ge type -s pecific fields a s follows : 22

• If IMSI_S is in clu ded in th e page type-specific fields , th e ba s e s ta tion sh a ll set th is 23

field to IMSI_S. 24

• If IMSI_11_12 is in clu ded in th e pa ge type -s pecific fields , th e ba s e s ta tion s h all s et 25

th is field to IMSI_11_12 . 26

• If MCC is in clu ded in th e pa ge type-s pecific fields , th e ba s e s ta tion s h all set th is 27

field to th e MCC. 28

• If IMSI_ADDR_NUM is in clu ded in th e page type-specific fields , th e ba se s ta t ion 29

s h a ll s et th is field a ccord in g to th e n u m ber of d igits in th e NMSI m in u s fou r. 30

• If TMSI_CODE_ADDR is in clu ded in th e pa ge type-s pecific fields , th e ba s e s ta t ion 31

s h a ll s et th is field to th e TMSI code a ss ign ed to th e a ddres s ed m obile s ta tion of th e 32

len gth corres pon d in g to th e page record form a t (see Ta b le 3 .1 .2 .2 .1 .1 .1 .2 -1 ). 33

• If TMSI_ZONE_LEN in clu ded in th e pa ge type -specific fields , th e ba s e s ta tion sh a ll 34

s et th is field to th e n u m ber of octets in clu ded in th e TMSI_ZONE. Th e ba s e s ta t ion 35

s h a ll s et th is field to a va lu e in th e ra n ge 1 to 8 in clu s ive. 36

YD/ T 1838 .3 -2008

3 -22

• If TMSI_ZONE is in clu ded in th e page type-specific fields , th e ba s e s ta tion sh a ll set 1

th is field to th e TMSI zon e n u m ber a s s ocia ted with th e a s s ign ed TMSI. 2

• If BURST_TYPE is in clu ded in th e pa ge type-s pecific fields , th e ba s e s ta t ion sh a ll s et 3

th is field to th e va lu e s h own in [12], for th e type of th e b roa dca s t Data B u rs t 4

Mess age bein g a n n ou n ced . 5

• If ADDR_LEN is in clu ded in th e pa ge type-s pecific fields , th e ba s e s ta tion s h all s et 6

th is field to th e n u m ber of octets in th e BC_ADDR field . 7

• If BC_ADDR is in clu ded in th e page type-specific fields , th e ba se s ta t ion sh a ll s et 8

th is field a ccordin g to th e requ irem en ts a pp lica b le to th e bu rs t type of th e Data 9

B u rs t Mes s age bein g a n n ou n ced . 10

YD/ T 1838 .3 -2008

3 -23

3 .1 .2 .2 .1 .2 Addres s in g Fields of Pa ge Records in a Un ivers al Page Mes s age 1

3 .1 .2 .2 .1 .2 .1 In terlea ved Addres s Fields 2

3 .1 .2 .2 .1 .2 .1 .1 Defin ition of In ter lea ved Address Fields 3

4


BCAST_INCLUDED 1

NUM_BCAST 0 or 5

IMSI_INCLUDED 1

NUM_IMSI 0 or 6

TMSI_INCLUDED 1

NUM_TMSI 0 or 6

RESERVED_TYPE_INCLUDED 1

NUM_RESERVED_TYPE 0 or 6

If NUM_BCAST is in clu ded , NUM_BCAST plu s on e

occu rren ces of th e followin g field a re in clu ded :

BURST_TYPE 6

16 occu rren ces of th e followin g s u brecord a re in clu ded , on e

occu rren ce for ea ch n th lea s t s ign ifica n t bit of th e pa rt ia l

a ddres s th a t is in clu ded , wh ere:

n = 8…23, for BC_ADDR_BLOCK correspon d in g to

BURST_TYPE equ a l to „000011‟;

n = 0…15, for a ll oth er ca s es .

BC_ADDR_BLOCK 0 or NUM_BCAST + 1

IMSI_ADDR_BLOCK 0 or NUM_IMSI + 1

TMSI_ADDR_BLOCK 0 or NUM_TMSI + 1

RESERVED_ADDR_BLOCK 0 or

NUM_RESERVED_TY

PE + 1

5

YD/ T 1838 .3 -2008

3 -24

3 .1 .2 .2 .1 .2 .1 .1 .1 Defin it ion of BC_ADDR_BLOCK 1

2


If NUM_BCAST is in clu ded , NUM_BCAST plu s on e

occu rren ces of th e followin g field a re in clu ded :

BC_ADDRESS_BIT 1

3

3 .1 .2 .2 .1 .2 .1 .1 .2 Defin it ion of IMSI_ADDR_BLOCK 4

5


If NUM_IMSI is in clu ded , NUM_IMSI p lu s on e occu rr en ces

of th e followin g field a re in clu ded :

IMSI_S_BIT 1

6

3 .1 .2 .2 .1 .2 .1 .1 .3 Defin it ion of TMSI_ADDR_BLOCK 7

8


If NUM_TMSI is in clu ded , NUM_TMSI plu s on e occu rren ces

of th e followin g field a re in clu ded :

TMSI_CODE_ADDR_BIT 1

9

3 .1 .2 .2 .1 .2 .1 .1 .4 Defin it ion of RESERVED_ADDR_BLOCK 10

11


If NUM_RESERVED_TYPE is in clu ded ,

NUM_RESERVED_TYPE plu s on e occu rren ces of th e

followin g field a re in clu ded :

RESERVED_BIT 1

3 .1 .2 .2 .1 .2 .1 .2 Requ irem en ts for Set t in g In terleaved Addres s Field s 12

BCAST_INCLUDED – Pa ges a ddress ed to b roa dca s t a ddres s es a re in clu ded . 13

If pa ges a ddres s ed to b roa dcas t a ddres ses a re in clu ded , th e 14

ba s e s ta t ion s h a ll s et th is field to „1 ‟; oth erwise, th e ba s e 15

s ta t ion sh a ll s et th is field to „0 ‟. 16

NUM_BCAST – Nu m ber of pa ges a ddres sed to b roa dca s t a ddresses . 17

YD/ T 1838 .3 -2008

3 -25

If BCAST_INCLUDED is s et to „1 ‟, th e ba s e s ta tion s h a ll 1

in clu de th e field NUM_BCAST a n d s h a ll s et th is field a s 2

des cribed below; oth erwis e, th e ba s e s ta tion s h all om it th is 3

field . 4

Th e ba s e s ta t ion sh a ll s et t h is field to th e n u m ber of pa ges 5

a ddres s ed to b roa dcas t a ddres ses in clu ded m in u s on e. 6

IMSI_INCLUDED – Pa ges a ddress ed to IMSI a ddress es a re in clu ded . 7

If pa ges a ddres s ed to IMSI a ddres s es a re in clu ded, th e ba s e 8

s ta t ion sh a ll s et th is field to „1 ‟; oth er wis e, th e ba se s ta t ion 9


NUM_IMSI – Nu m ber of pa ges a ddres sed to IMSI a ddres ses . 11

If IMSI_INCLUDED is s et to „1 ‟, th e ba s e s ta tion sh a ll in clu de 12

th e field NUM_IMSI a n d sh a ll set th is field a s described below; 13

oth erwis e, th e ba se s ta t ion s h a ll om it th is field . 14

Th e ba s e s ta t ion sh a ll s et th is field to th e n u m ber of pa ges 15

a ddres s ed to IMSI a ddres s es in clu ded m in u s on e. 16

TMSI_INCLUDED – Pa ges a ddress ed to TMSI a ddres s es a re in clu ded . 17

If pa ges a ddres s ed to TMSI a ddres ses a re in clu ded , th e ba s e 18

s ta t ion sh a ll s et th is field to „1 ‟; oth erwis e, th e ba se s ta t ion 19


NUM_TMSI – Nu m ber of pa ges a ddres sed to TMSI a ddress es . 21

If TMSI_INCLUDED is s et to „1 ‟, th e ba s e s ta tion sh a ll in clu de 22

th e field NUM_TMSI a n d sh a ll s et th is field a s described below; 23

oth erwis e, th e ba se s ta t ion s h a ll om it th is field . 24


a ddres s ed to TMSI a ddres ses in clu ded m in u s on e. 26

RESERVED_TYPE_INCLUDED – Pa ges a ddres sed to res erved a ddres s types a re in clu ded . 27

If pa ges a ddres s ed to res erved a ddres ses a re in clu ded , th e 28

ba s e s ta t ion s h a ll s et th is field to „1 ‟; oth erwise, th e ba s e 29

s ta t ion sh a ll s et th is field to „0 ‟. 30

NUM_RESERVED_TYPE – Nu m ber of pa ges a ddres sed to reserved a ddre ss types . 31

If RESERVED_TYPE_INCLUDED is s et to „1 ‟, th e ba s e s ta t ion 32

s h a ll in clu de th e field NUM_RESERVED_TYPE a n d s h a ll s et 33

th is field a s des cribed below; oth erwis e, th e bas e s ta t ion sh a ll 34

om it th is field . 35


a ddres s ed to res erved a ddres s types in clu ded m in u s on e. 37

BURST_TYPE – Da ta Bu rs t Type. 38

Th e ba s e s ta t ion sh a ll s et th is field to th e valu e sh own in [12] 39

for th e type of th e b roa dca s t Data Bu rs t Mes s age bein g 40

a n n ou n ced . 41

YD/ T 1838 .3 -2008

3 -26

BC_ADDRESS_BIT – Bits of th e b roa dcas t a ddres s . 1

Th e ba s e s ta t ion sh a ll in clu de NUM_BCAST p lu s on e 2

occu rren ces of th is field in th e BC_ADDR_BLOCK fields , on e 3

occu rren ce for ea ch pa ge u s in g a b roa dca s t a ddres s type 4

corres pon d in g to Pa ge Record Form a t Nu m ber 15 .0 (s ee Ta b le 5

3 .1 .2 .2 .1 .1 .1 .2 -1 ). 6

Th e ba s e s ta t ion sh a ll u se th e s a m e order for th e 7

BC_ADDRESS_BIT fields in th is BC_ADDR_BLOCK field a s is 8

u s ed for th e BURST_TYPE fields in th e In terleaved Pa ge Fields 9

wh ich corres pon d to th e s a m e b roa dca s t pa ges . Specifically, 10

th e ith occu rren ce of th e BC_ADDRESS_BIT field for th is 11

s u brecord sh a ll corres pon d th e ith occu rren ce of th e 12

BURST_TYPE field in th e In terleaved Pa ge Fields . 13

Th e ba s e s ta t ion sh a ll a lso u se th e s a m e order for th e 14

BC_ADDRESS_BIT fields in th is BC_ADDR_BLOCK field a s is 15

u s ed for a ll oth er BC_ADDR_BLOCK fields in th e In terlea ved 16

Pa ge Fields . Specifica lly, th e ith occu rren ce of th e 17

BC_ADDRESS_BIT field for th is s u brecord sh a ll corres pon d 18

th e ith occu rren ce of th e BC_ADDRESS_BIT field for a ll oth er 19

BC_ADDR_BLOCK fields in th e In terlea ved Pa ge Fields . 20

IMSI_S_BIT – Bits of th e la s t ten d igits of th e IMSI. 21

Th e ba s e s ta t ion sh a ll in clu de NUM_IMSI plu s on e 22

occu rren ces of th is field in th e IMSI_ADDR_BLOCK field , on e 23

occu rren ce for ea ch pa ge u s in g a n IMSI a ddres s type 24

corres pon d in g to a Pa ge Record Form a t Nu m ber of 0 , 1 , 2 , 3 , 25

4 , 5 , or 15 .1 (s ee Ta b le 3 .1 .2 .2 .1 .1 .1 .2 -1 ). See 2 .3.1 of [5 ] for 26

th e en cod in g of IMSI_S. Th e ba se s ta t ion s h a ll u se th e s a m e 27

order for th e IMSI_S_BIT fields in th is IMSI_ADDR_BLOCK 28

field a s is u sed for a ll oth er IMSI_ADDR_BLOCK fields in th e 29

In terleaved Pa ge Fields . Specifica lly, th e ith occu rren ce of th e 30

IMSI_S_BIT field for th is s u brecord sh a ll correspon d th e ith 31

occu rren ce of th e IMSI_S_BIT field for a ll oth er 32

IMSI_ADDR_BLOCK fields in th e In terlea ved Page Fields . 33

TMSI_CODE_ADDR_BIT – Bit of th e tem pora ry m obile s ta t ion iden t ity code addres s . 34

If NUM_TMSI is in clu ded , th e ba s e s ta tion s h all in clu de 35

NUM_TMSI p lu s on e occu rren ces of th is field in th e 36

TMSI_ADDR_BLOCK field , on e occu rren ce for ea ch pa rt ia l 37

a ddres s u s in g a TMSI a ddres s type correspon d in g to a Pa ge 38

Record Form a t Nu m ber of 8 , 9 , 10 , 11 , or 15 .2 (s ee Ta b le 39

3 .1 .2 .2 .1 .1 .1 .2 -1 ). Th e ba s e s ta t ion sh a ll u se th e s a m e order 40

for th e TMSI_CODE_ADDR_BIT fields in th is 41

TMSI_ADDR_BLOCK field a s is u sed for a ll oth er 42

TMSI_ADDR_BLOCK fields in th e In terlea ved Pa ge Fields . 43

Specifically, th e ith occu rren ce of th e TMSI_CODE_ADDR_BIT 44

field for th is su brecord s h all corres pon d th e ith occu rren ce of 45

th e TMSI_ADDR_BLOCK fields in th e In terlea ved Pa ge Fields . 46

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3 -27

RESERVED_BIT – Bit of a res erved a ddress type. 1

Th e ba s e s ta t ion sh a ll in clu de NUM_RESERVED_TYPE p lu s 2

on e occu rren ces of th is field in th e RESERVED_ADDR_BLOCK 3

field , on e occu rren ce for ea ch pa ge u s in g a res erved a ddres s 4

type corres pon din g t o a res erved Pa ge Record Form a t (s ee 5

Ta ble 3 .1 .2 .2 .1 .1 .1 .2 -1 ). Th e ba s e s ta t ion sh a ll u se th e s a m e 6

order for th e RESERVED_BIT fields in th is 7

RESERVED_ADDR_BLOCK field a s is u sed for a ll oth er 8

RESERVED_ADDR_BLOCK fields in th e In terlea ved Pa ge 9

Fields . Specifica lly, th e ith occu rren ce of th e RESERVED_BIT 10

field for th is su brecord s h all corres pon d th e ith occu rren ce of 11

th e RESERVED_BIT field for a ll oth er 12

RESERVED_ADDR_BLOCK fields in th e In terlea ved Pa ge 13

Fields . 14

3 .1 .2 .2 .1 .2 .2 Pa ge Cla s s Fields of a Un ivers al Page Mess age 15


Un ivers al Page Mess age . Th e bas e s ta tion s h a ll s et th ese fields a ccord in g to th e 17

requ irem en ts in 3 .1 .2 .2 .1 .2 .2 .2 . 18

3 .1 .2 .2 .1 .2 .2 .1 Defin ition of Pa ge Cla s s Fields of a Un ivers al Page Mes s age 19

Th e pa ge cla ss fields h a ve th e followin g form a t : 20

21


PAGE_CLASS 2

PAGE_SUBCLASS 2

PAGE_SUBCLASS_EXT 0 or 2

22

PAGE_CLASS – Cla s s of th e pa ge record in clu ded in th e m ess a ge. 23

PAGE_SUBCLASS – Su bcla ss of th e page record in clu ded in th e m es sa ge. 24

PAGE_SUBCLASS_EXT – Su bcla ss exten s ion of th e pa ge record in clu ded in th e 25

m es s a ge. 26

Th e ba s e s ta t ion u ses th e PAGE_CLASS, PAGE_SUBCLASS, a n d PAGE_SUBCLASS_EXT 27

fields to iden tify th e type of th e pa ge record in clu ded in th e m es s a ge. Pa ge records with 28

PAGE_CLASS s et to „00‟ a re u s ed to pa ge m obile s ta t ion s th a t h a ve regis tered with a cla s s 0 29

IMSI. Pa ge records with PAGE_CLASS s et to „01‟ a re u s ed to pa ge m obile s ta t ion s th a t h a ve 30

regis tered with a cla s s 1 IMSI. Pa ge records with PAGE_CLASS s et to „10‟ a re u s ed to page 31

m obile s ta tion s u s in g a TMSI. Pa ge records with PAGE_CLASS s et to „11‟, 32

PAGE_SUBCLASS s et to „11‟, a n d PAGE_SUBCLASS_EXT s et to „00‟ a re u s ed to a n n ou n ce 33

broa dca s t m ess a ges s en t on th e Broa dca s t Con trol Ch a n n el. 34

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3 -28

3 .1 .2 .2 .1 .2 .2 .2 Requ irem en ts for Set t in g Pa ge Clas s Fields of a Un ivers al Page Mes s age 1

Th e ba se s ta t ion s h all set th e PAGE_CLASS, PAGE_SUBCLASS, a n d 2

PAGE_SUBCLASS_EXT (if in clu ded) fields of ea ch pa ge record in clu ded in a Un ivers al Page 3

Mess age , a s s pecified in Ta b le 3 .1 .2 .2 .1 .1 .1 .2 -1 , to iden tify th e type of th e pa ge record . 4

Th e ba s e s ta t ion sh a ll u se th e followin g p rocedu re to s elect th e clas s of ea ch pa ge record : 5






„1111111‟ or is equ a l to IMSI_11_12 a s s ign ed to th e m obile s ta t ion , a n d 11

– Th e MCC s en t by th e ba s e s ta tion in overh ea d m es s a ges is set to „1111111111‟ 12





– Th e m obile s ta t ion ‟s IMSI is a cla s s 0 IMSI, a n d 17







– Th e IMSI_11_12 a s s ign ed to th e m obile s t a t ion is equ a l to th e IMSI_11_12 s en t 24

by th e ba se s ta t ion in overh ea d m es s ages . 25













YD/ T 1838 .3 -2008

3 -29


PAGE_CLASS equ a l to „10‟ a n d PAGE_SUBCLASS equ a l to „00‟ if th e m obile s ta t ion 2

h a s been a s s ign ed a TMSI with in th e s a m e TMSI zon e a s th e ba s e s ta t ion . 3






– Th e m os t s ign ifican t octe t of TMSI_CODE is equ a l to „00000000‟. 9






– Th e two m os t s ign ifican t octets of TMSI_CODE a re both equ a l to „00000000‟. 15

• If th e ba s e s ta t ion pages th e m obile s ta t ion u s in g th e TMSI a s s ign ed to th e m obile 16

s ta t ion a n d th e TMSI wa s a s s ign ed in a d ifferen t TMSI zon e th a n th a t bein g s en t by 17

th e ba s e s ta t ion in overh ea d m es s a ges , th e ba se s ta t ion s h all u s e a pa ge record with 18


• Th e ba s e s ta t ion m a y s en d a m obile s ta tion -d irected m es s a ge a n n ou n cem en t to a 20

m obile s ta tion with a n IMSI u s in g a pa ge record with PAGE_CLASS equ a l to „11 , 21

PAGE_SUBCLASS equ al to „11‟, a n d PAGE_SUBCLASS_EXT equ a l to „01‟. 22

• Th e ba s e s ta t ion m a y s en d a m obile s ta tion -d irected m es s a ge a n n ou n cem en t to a 23

m obile s ta tion with a TMSI a s s ign ed u s in g a pa ge record with PAGE_CLASS equ a l to 24

„11 , PAGE_SUBCLASS equ a l to „11‟, a n d PAGE_SUBCLASS_EXT equ al to „10‟. 25

• Th e ba s e s ta t ion m a y a n n ou n ce on th e Forwa rd Com m on Con trol Ch a n n el th e 26

pres en ce of b roa dca s t Data Bu rs t Mes s ages on th e Broa dca s t Con trol Ch a n n el by 27

pa gin g, u s in g a b roa dca s t a ddress with PAGE_CLASS equ al to „11‟, 28

PAGE_SUBCLASS equ al to „11‟, a n d PAGE_SUBCLASS_EXT equ a ls „00‟. 29

3 .1 .2 .2 .1 .2 .3 Pa ge Type-s pecific Fields of a Un ivers al Page Mess age 30


Un ivers al Page Mess age. Th e bas e s ta tion s h a ll s et th ese fields a ccord in g to th e 32

requ irem en ts in 3 .1 .2 .2 .1 .2 .3 .2 . 33

YD/ T 1838 .3 -2008

3 -30

3 .1 .2 .2 .1 .2 .3 .1 Defin ition of Pa ge Type-s pecific Fields of a Un ivers al Page Mess age 1



4


IMSI_S_33_16 18

5



8


IMSI_11_12 7

IMSI_S_33_16 18

9



12


MCC 10

IMSI_S_33_16 18

13



16


MCC 10

IMSI_11_12 7

IMSI_S_33_16 18

17

YD/ T 1838 .3 -2008

3 -31



3


IMSI_ADDR_NUM 3

IMSI_11_12 7

IMSI_S_33_16 18

4



7


IMSI_ADDR_NUM 3

MCC 10

IMSI_11_12 7

IMSI_S_33_16 18

8



11


TMSI_CODE_ADDR_31_16 16

12

If PAGE_CLASS is equ a l to „10‟ a n d PAGE_SUBCLASS is equ a l to „01‟ (pa ge record form a t is 13


15



16

YD/ T 1838 .3 -2008

3 -32



3


– 0

4



7


TMSI_ZONE_LEN 4

TMSI_ZONE 8 TMSI_ZONE_LEN


8


PAGE_SUBCLASS_EXT = „00‟, (pa ge record form a t is equ a l to 13 .0 ), th e page type -specific 10


12


RESERVED 16

13




17


RESERVED 8

18




22


– 0

23

YD/ T 1838 .3 -2008

3 -33




4


RESERVED_LEN 4

RESERVED 8 RESERVED_LEN

+ 16

5




9


RESERVED 16

10




14


RESERVED 52

15

If PAGE_CLASS is equ al to „11‟, a n d if PAGE_SUBCLAS S is equ a l to „10‟, a n d if 16



19


RESERVED 60

20

YD/ T 1838 .3 -2008

3 -34

If PAGE_CLASS is equ a l to „11‟, PAGE_SUBCLASS is equ a l to „11‟, a n d 1

PAGE_SUBCLASS_EXT is equ al to „00‟ (page record form a t is equ a l to 15 .0 ), th e pa ge type -2

s pecific fields h a ve th e followin g form a t : 3

4


ADDR_LEN 4

BC_ADDR_REMAINDER 8 ADDR_LEN – 2 )

5




9


– 0

10




14


– 0

15

For a ll of th e followin g: 16

• PAGE_CLASS is equ a l to „01‟ a n d PAGE_SUBCLASS is equ a l to „10‟, 17

• PAGE_CLASS is equ a l to „01‟ a n d PAGE_SUBCLASS is equ a l to „11‟, 18

• PAGE_CLASS is equ a l to „11‟, PAGE_SUBCLASS is equ a l to „10‟, a n d 19

PAGE_SUBCLASS_EXT is equ a l to „11‟, a n d 20

• PAGE_CLASS is equ a l to „11‟, PAGE_SUBCLASS is equ a l to „11‟, a n d 21

PAGE_SUBCLASS_EXT is equ a l to „11‟, 22

th e pa ge type-s pecific fields h a ve th e followin g form a t : 23

24


RESERVED_LEN 5

RESERVED 8 RESERVED_LEN

25

YD/ T 1838 .3 -2008

3 -35


IMSI_S_33_16 – Th e 18 m os t s ign ifican t b its of th e IMSI_S (s ee 2 .3 .1 of [5 ]). 2





TMSI_CODE_ADDR_23_16 – Th e n ext to m ost s ign ifica n t octet of TMSI_CODE_ADDR. 7

TMSI_CODE_ADDR_31_16 – Th e two m os t s ign ifican t octets of TMSI_CODE_ADDR. 8

TMSI_ZONE_LEN – TMSI zon e len gth . 9


ADDR_LEN – Len gth of th e en tire b roa dcas t a ddres s in clu d in g th e leas t 11

s ign ifica n t two octets . 12

BC_ADDR_REMAINDER – Broa dca s t Address rem a in der. For a ddres ses of BURST_TYPE 13

n ot equ a l to „000011‟, a ll bu t th e lea s t s ign ifica n t two octets of 14

a b roa dca s t a ddres s . For a ddres ses of BURST_TYPE equ a l to 15

„000011‟, th e m os t s ign ifican t two octets of th e b roa dca s t 16

a ddres s followed by th e lea s t s ign ifica n t octet of th e b roa dcas t 17

a ddres s . 18

RESERVED_LEN – Len gth pa ra m eter . 19


3 .1 .2 .2 .1 .2 .3 .2 Requ irem en ts for Set tin g Pa ge Type-s pecific Fields of a Un ivers al Page 21

Mess age 22

Th e bas e s ta t ion s h all s et th e pa ge type -s pecific fields of ea ch pa ge record in clu ded in th e 23

Un ivers al Page Mes s age a ccordin g to th e pa ge record form a t n u m ber defin ed in Ta b le 24

3 .1 .2 .2 .1 .1 .1 .2 -1 . 25

Th e ba s e s ta t ion sh a ll on ly u s e th e pa ge record form a t equ a l to 9 if th e m os t s ign ifica n t 26

octet of th e TMSI code a ss ign ed to th e s pecified m obile s ta tion is „00000000‟. 27

Th e ba s e s ta tion s h all on ly u se th e pa ge record form a t equ a l to 10 if th e two m os t 28

s ign ifica n t octets of th e TMSI code a s s ign ed to th e s pecified m obile s ta t ion a re „00000000‟. 29

Th e ba s e s ta t ion sh a ll s et th e pa ge type -s pecific fields a s follows : 30

• If IMSI_S_33_16 is in clu ded in th e page type-specific fields , th e ba s e s ta t ion sh a ll 31

s et th is field to th e m os t s ign ifican t 18 b its of IMSI_S. 32

• If IMSI_11_12 is in clu ded in th e pa ge type -s pecific fields , th e ba s e s ta tion s h all s et 33

th is field to IMSI_11_12 . 34

• If MCC is in clu ded in th e pa ge type-s pecific fields , th e ba s e s ta tion s h all set th is 35

field to th e MCC. 36

• If IMSI_ADDR_NUM is in clu ded in th e page type-specific fields , th e ba se s ta t ion 37

s h a ll s et th is field a ccord in g to th e n u m ber of d igits in th e NMSI m in u s fou r. 38

YD/ T 1838 .3 -2008

3 -36

• If TMSI_CODE_ADDR_31_16 is in clu ded in th e page type-specific fields , th e ba s e 1

s ta t ion sh a ll s et th is field to th e m os t s ign ifican t 16 b its of th e TMSI code a s s ign ed 2

to th e a ddres s ed m obile s ta tion . 3

• If TMSI_CODE_ADDR_23_16 is in clu ded in th e page type -specific fields , th e ba s e 4

s ta t ion sh a ll s et th is field to th e secon d m os t s ign ifica n t octet of th e TMSI code 5

a s s ign ed to th e a ddres sed m obile s ta t ion . 6

• If TMSI_ZONE_LEN in clu ded in th e pa ge type-specific fields , th e ba s e s ta tion sh a ll 7

s et th is field to th e n u m ber of octet s in clu ded in th e TMSI_ZONE. Th e ba s e s ta t ion 8

s h a ll s et th is field to a va lu e in th e ra n ge 1 to 8 in clu s ive. 9

• If TMSI_ZONE is in clu ded in th e page type-specific fields , th e ba s e s ta tion sh a ll set 10

th is field to th e TMSI zon e n u m ber a s s ocia ted with th e a s s ign ed TMSI. 11

3 .1 .2 .2 .1 .3 Addres s in g Fields of PDUs Ca rryin g Mes s ages Oth er th a n th e Gen eral Page 12

Mess age a n d th e Un ivers al Page Mes s age 13

Th e ba s e s ta t ion s h a ll u s e th e a ddres s in g fields defin ed in 3 .1 .2 .2 .1 .3 .1 for PDUs ca rryin g 14

m es s a ges oth er th an th e Gen eral Page Mess age or th e Un ivers al Page Mes s age . Th e ba s e 15

s ta t ion sh a ll s et th es e fields a ccordin g to th e requ irem en ts in 3 .1 .2 .2 .1 .3 .2 . 16

3 .1 .2 .2 .1 .3 .1 Defin ition of Addres s in g Fields 17

PDUs ca rryin g a m ess a ge oth er th an th e Gen eral Page Mes s age or th e Un ivers al Page 18

Mess age h a ve th e followin g a ddres s in g fields : 19

20


ADDR_TYPE 3

ADDR_LEN 4

NUM_GIDS 4

GID_SUBCLASS 1

ADDRESS 8 ADDR_LEN

21

ADDR_TYPE - Address field type. 22

Th is field is s et to th e va lu e s h own in Ta b le 3 .1 .2 .2 .1 .3 .1 -1 23

corres pon d in g to th e a ddress type con ta in ed in th e ADDRESS 24

field . Th e ADDR_TYPE is equ a l to „5 ‟. 25

26

YD/ T 1838 .3 -2008

3 -37

Table 3 .1 .2 .2 .1 .3 .1 -1 . Addres s Types 1

Description

ADDR_TYPE

(binary)

ADDR_LEN

(octets )

IMSI_S 000 5

ESN 001 4

IMSI 010 5 to 7

TMSI 011 2 to 12

Res erved 100 –

BROADCAST 101 Va ria b le

Res erved 110 –

Res erved 111 –

2

ADDR_LEN – Address field len gth . 3

Th is field is s et to th e n u m ber of octets in th e ADDRESS field . 4

ADDRESS – Mobile s ta tion a ddres s or b roa dca s t a ddress . 5

Th is field is s et to th e m obile s ta tion a ddress or broa dca s t 6

a ddres s u s in g th e a ddres s type s pecified in th e ADDR_TYPE 7

field , a s follows : 8

If ADDR_TYPE is equ a l to „000‟, th e ADDRESS field con s is ts of 9

th e followin g s u bfields : 10

11


IMSI_S 34

RESERVED 6

12



15



18


ESN 8 ADDR_LEN

19

ESN – Mobile s ta tion ‟s elect ron ic s eria l n u m ber. 20

21

YD/ T 1838 .3 -2008

3 -38



3


IMSI_CLASS 1

IMSI clas s -s pecific su bfields 7 + 8 (ADDR_LEN – 1 )

4

IMSI_CLASS – Cla s s type (0 or 1 ) of th e IMSI. 5

Th e field IMSI_CLASS is s et to „0 ‟ if th e IMSI u sed by th e 6

m obile s ta tion is of Cla s s 0 , a n d to „1 ‟ if th e IMSI u s ed by th e 7

m obile s ta tion is of Cla s s 1 . 8

9

If ADDR_TYPE is equ a l to „011‟, th e ADDRESS field con s is t s of 10


12


TMSI_ZONE If ADDR_LEN is grea ter

th a n fou r, 8 (ADDR_LEN –

4 ); oth erwis e, 0 .

TMSI_CODE_ADDR If ADDR_LEN is grea ter

th a n fou r, 32 ; oth erwis e, 8

ADDR_LEN.

13



16



19


BC_ADDR 8 ADDR_LEN

20

BC_ADDR – Broa dca s t a ddress . 21

22

For ADDR_TYPE „010‟, IMSI cla s s -s pecific s u bfields a re rep res en ted in Ta b les 23

3 .1 .2 .2 .1 .3 .1 -2 a n d 3 .1 .2 .2 .1 .3 .1 -3 , IMSI Cla ss 0 Types a n d IMSI Cla s s 1 Types , 24

res pectively. 25

YD/ T 1838 .3 -2008

3 -39

If th e IMSI_CLASS field is equ al to „0 ‟, th e followin g fields a re in clu ded in th e IMSI cla s s -1


IMSI_CLASS_0_TYPE – IMSI Cla ss 0 type. 3

Th is field is s et a s sh own in Ta b le 3 .1 .2 .2 .1 .3 .1 -2 . 4

5

Table 3 .1 .2 .2 .1 .3 .1 -2 . IMSI Clas s 0 Types 6

Description

IMSI_CLASS_

0_TYPE

(binary)

Length of IMSI

Clas s 0 Type-

Specific

Su bfields (bits )

IMSI_S in clu ded 00 37

IMSI_S a n d


01 45

IMSI_S a n d MCC

in clu ded

10 45



11 53

7


s pecific su bfields Th ese s u bfields a re s et a s described below. 9

10

If th e IMSI_CLASS field is equ al to „1 ‟, th e followin g fields a re in clu ded in th e IMSI cla s s -11


IMSI_CLASS_1_TYPE – IMSI Cla ss 1 type. 13

Th is field is s et a s sh own in Ta b le 3 .1 .2 .2 .1 .3 .1 -3 . 14

15

Table 3 .1 .2 .2 .1 .3 .1 -3 . IMSI Clas s 1 Types 16

Description

IMSI_CLASS_

1_TYPE

(binary)

Length of IMSI

Clas s 1 Type-

Specific

Su bfields (bits )

IMSI_S a n d


0 46



1 54

17


s pecific su bfields Th ese s u bfields a re s et a s described below. 19

YD/ T 1838 .3 -2008

3 -40

1

If th e IMSI_CLASS field is equ a l to „0 ‟ a n d th e IMSI_CLASS_0_TYPE field is equ al to „00‟, 2

th en th e IMSI cla ss 0 type-s pecific su bfield s con s is t of: 3

4

IMSI Class 0 Type-Specific Su bfield Length (bits )

RESERVED 3

IMSI_S 34

5



8


th en th e IMSI cla ss 0 type-s pecific su bfields con s is t of: 10

11


RESERVED 4

IMSI_11_12 7

IMSI_S 34

12




16



19


RESERVED 1

MCC 10

IMSI_S 34

20

RESERVED – Res erved b it . 21



YD/ T 1838 .3 -2008

3 -41

1



4


RESERVED 2

MCC 10

IMSI_11_12 7

IMSI_S 34

5





10

If th e IMSI_CLASS field is equ a l to „1 ‟ an d th e IMSI_CLASS_1_TYPE field is equ al to „0 ‟, th en 11

th e IMSI cla ss 1 type-s pecific s u bfields con s is t of: 12

13


RESERVED 2

IMSI_ADDR_NUM 3

IMSI_11_12 7

IMSI_S 34

14




IMSI_S - Ten -d igit n u m ber ba s ed u pon th e IMSI (s ee 2 .3 .1 of [5 ]). 18

19

If th e IMSI_CLASS field is equ a l to „1 ‟ an d th e IMSI_CLASS_1_TYPE field is equ al to „1 ‟, th en 20

th e IMSI cla ss 1 type-s pecific s u bfields con s is t of: 21

22

YD/ T 1838 .3 -2008

3 -42


IMSI_ADDR_NUM 3

MCC 10

IMSI_11_12 7

IMSI_S 34

1






7

NUM_GIDS - Nu m ber of Grou p . 8

GID_SUBCLASS - GID Address code type（see [5]） 9

If GID_SUBCLASS is equ a l to „0 ‟, the length of ADDRESS is equal to 10

28 (b it). 11

If GID_SUBCLASS is equ a l to „1 ‟, the length of ADDRESS is equal to 12

52 (b it). 13

ADDRESS - Grou ps a ddress . 14

If GID_SUBCLASS is equ a l to „0 ‟, the length of ADDRESS field 15

is equal to NUM_GIDS LENGTH*28 (b it). If GID_SUBCLASS is 16

equ a l to „1 ‟, the ADDRESS field is equal to NUM_GIDS*52 (b it). 17

18

3 .1 .2 .2 .1 .3 .2 Requ irem en ts for Set t in g Address in g Fields 19

If th e ba s e s ta t ion a ddres ses a m obile s ta t ion by IMSI_S, th e ba se s ta t ion sh a ll set 20

ADDR_TYPE to „000‟, s h a ll in clu de in th e ADDRESS field th e RESERVED field s et to 21

„000000‟ a n d th e IMSI_S field s et to th e 34 bit va lu e for IMSI_S com pu ted a s des cribed in 22

[5 ], a n d sh a ll set th e ADDR_LEN to five. 23

If th e ba s e s ta t ion a ddress es a m obile s ta t ion by ESN, th e ba se s ta t ion s h a ll s et 24

ADDR_TYPE to „001‟, sh a ll in clu de th e electron ic s eria l n u m ber of th e m obile s ta t ion in th e 25

ADDRESS field , a n d s h all s et ADDR_LEN to fou r. 26

If th e ba s e s ta t ion a ddres ses a m obile s ta t ion by IMSI, th e ba se s ta tion sh a ll s et 27

ADDR_TYPE to „010‟. Th e ba s e s ta t ion sh a ll in clu de th e IMSI_CLASS a n d IMSI cla ss -28

s pecific s u bfields in th e ADDRESS field . If th e IMSI of th e m obile s ta tion is of clas s 0 , th e 29

ba s e s ta t ion sh a ll s et IMSI_CLASS to „0 ‟; oth erwise th e ba s e s ta tion s h all set IMSI_CLASS to 30

„1 ‟. If IMSI_CLASS is „0 ‟, th e ba s e s ta t ion s h a ll s et th e IMSI cla ss -specific su bfields to 31

IMSI_CLASS_0_TYPE a n d th e corres pon din g IMSI cla s s 0 type -specific su bfields . If 32

IMSI_CLASS is „1 ‟, th e ba s e s ta t ion s h a ll set th e IMSI cla s s -s pecific su bfields to 33

YD/ T 1838 .3 -2008

3 -43

IMSI_CLASS_1_TYPE a n d th e corres pon din g IMSI cla s s 1 type -specific su bfields . Th e ba s e 1

s ta t ion sh a ll s et th e IMSI cla s s -s pecific s u bfields a s s pecified in 3 .1 .2 .2 .1 .3 .3 . 2

If th e ba s e s ta tion a ddress es a m obile s ta tion by TMSI, th e ba s e s ta t ion s h a ll s et 3

ADDR_TYPE to „011‟, a n d sh a ll set th e ADDRESS field a s follows : 4

• If th e ba s e s ta t ion in clu des th e TMSI_ZONE in th e ADDRESS field , th e ba s e s ta tion 5

s h a ll s et th e TMSI_ZONE field to th e TMSI zon e n u m ber a s socia ted with th e 6

a s s ign ed TMSI a s s pecified in [7], a n d s h a ll s et th e ADDR_LEN field to 4 + th e len gth 7

of th e TMSI zon e n u m ber in octets . Th e ba se s ta tion s h all a lso in clu de th e 8

TMSI_CODE_ADDR in th e ADDRESS field , s et to th e 32 -bit TMSI code a s s ign ed to 9

th e m obile s ta t ion . 10

• If th e ba s e s ta t ion does n ot in clu de th e TMSI_ZONE in th e ADDRESS field , th e ba se 11

s ta t ion sh a ll in clu de on ly th e TMSI_CODE_ADDR in th e ADDRESS field a n d sh a ll 12

s et th is field a s follows : 13

– If th e m os t s ign ifican t octet of th e TMSI_CODE a ss ign ed to th e m obile s ta tion is 14

equ a l to „00000000‟, th e ba s e s ta tion m a y s et TMSI_CODE_ADDR to th e 24 lea s t 15

s ign ifica n t bits of th e TMSI_CODE a ss ign ed to th e m obile s ta t ion a n d s et 16

ADDR_LEN to 3 . 17

– If th e two m os t s ign ifican t octets of th e TMSI_CODE a s s ign ed to th e m obile 18

s ta t ion a re both equ al to „00000000‟, th e ba se s ta t ion m a y s et 19

TMSI_CODE_ADDR to th e 16 lea s t s ign ifica n t bits of th e TMSI_CODE a s s ign ed 20

to th e m obile s ta tion a n d set ADDR_LEN to two. 21

– Oth erwis e, th e ba se s ta t ion s h a ll s et TMSI_CODE_ADDR to th e TMSI_CODE 22

a s s ign ed to th e m obile s ta t ion a n d set ADDR_LEN to fou r. 23

If th e ba s e s ta t ion a ddres ses a m obile s ta t ion by a b roa dca s t a ddres s , th e ba s e s ta tion s h all 24

s et ADDR_TYPE to „101‟, s h all in clu de BC_ADDR in th e ADDRESS field s et a ccordin g to th e 25

requ irem en ts a pplica ble to th e bu rs t type of th e Data B u rs t Mess age to be sen t to th e 26

m obile s ta tion , a n d s h all s et ADDR_LEN to th e len gth of th e ADDRESS field in octets . 27

3 .1 .2 .2 .1 .3 .3 Requ irem en ts for Set t in g IMSI Clas s Su bfields 28

If th e IMSI_CLASS is equ a l to „0 ‟, th e ba s e s ta t ion s h a ll perform th e followin g: 29

• Th e ba s e s ta t ion m a y s et IMSI_CLASS_0_TYPE to „00‟ if both con dition s sh own 30

below a re t ru e: 31


„1111111‟ or is equ a l to th e IMSI_11_12 a s s ign ed to th e m ob ile s ta tion , a n d 33

– Th e MCC s en t by th e ba s e s ta tion in overh ea d m es s a ges is set to „1111111111‟ 34


If th e ba s e s ta t ion sets IMSI_CLASS_0_TYPE to „00‟, it s h a ll in clu de th e RESERVED 36

field set to „000‟ a n d th e IMSI_S field s et to th e la s t 10 d igits of th e IMSI in th e IMSI 37

cla s s 0 type-s pecific s u bfields . 38

YD/ T 1838 .3 -2008

3 -44

• Th e ba s e s ta t ion m a y s et IMSI_CLASS_0_TYPE to „01‟ if th e MCC sen t by th e ba se 1

s ta t ion in overh ea d m es s a ges is equ a l to th e MCC a s s ign ed to th e m obile s ta tion . 2


field set to „0000‟, th e IMSI_11_12 field s et to th e 11 th a n d 12 th d igits of th e IMSI, 4

a n d th e IMSI_S field set to th e la s t 10 digits of th e IMSI in th e IMSI cla s s 0 type-5

s pecific su bfields . 6

• Th e ba s e s ta t ion m a y s et IMSI_CLASS_0_TYPE to „10‟ if th e IMSI_11_12 s en t by th e 7

ba s e s ta t ion in overh ea d m es s ages is equ al to th e IMSI_11_12 a s s ign ed to th e 8



field set to „0 ‟, th e MCC field s et to th e Mobile Cou n try Code, a n d th e IMSI_S field 11

s et to th e la s t 10 d igits of th e IMSI in th e IMSI clas s 0 type-s pecific su bfields . 12

• Oth erwis e, th e ba se s ta t ion m a y s et IMSI_CLASS_0_TYPE equ a l to „11‟. 13


field set to „00‟, th e MCC field s et to th e Mobile Cou n try Code, th e IMSI_11_12 field 15

s et to th e 11 th a n d 12 th d igits of th e IMSI, a n d th e IMSI_S field set to th e la s t 10 16

d igits of th e IMSI in th e IMSI cla s s 0 type-s pecific s u bfields . 17

If th e IMSI_CLASS is equ a l to „1 ‟, th e ba s e s ta tion s h a ll perform th e followin g: 18

• Th e ba s e s ta t ion m a y s et IMSI_CLASS_1_TYPE to „0 ‟ if th e MCC s en t by th e ba s e 19

s ta t ion in overh ea d m es s a ges is equ a l to th e MCC a s s ign ed to th e m obile s ta tion . 20

If th e ba s e s ta t ion sets IMSI_CLASS_1_TYPE to „0 ‟, it s h a ll in clu de th e RESERVED 21

field set to „00‟, th e IMSI_ADDR_NUM set to th e n u m ber of d igits in th e NMSI m in u s 22

fou r, th e IMSI_11_12 field s et to th e 11 th a n d 12 th d igits of th e IMSI, a n d th e 23

IMSI_S field set to th e la s t 10 d igits of th e IMSI in th e IMSI cla s s 1 type -s pecific 24

s u bfields . See [5 ] for th e defin ition of NMSI a n d th e t rea tm en t of cla ss 1 IMSI. 25

• Oth erwis e, th e ba se s ta t ion m a y s e t IMSI_CLASS_1_TYPE to „1 ‟. 26

If th e ba s e s ta t ion sets IMSI_CLASS_1_TYPE to „1 ‟, it s h a ll in clu de th e 27

IMSI_ADDR_NUM s et to th e n u m ber of d igits in th e NMSI m in u s fou r, th e MCC field 28

s et to th e Mobile Cou n try Code, th e IMSI_11_12 field s et to th e 11 th a n d 12 th digits 29

of th e IMSI, a n d th e IMSI_S field s et to th e la s t 10 d igits of th e IMSI in th e IMSI 30

cla s s 1 type-s pecific s u bfields . See [5] for th e defin it ion of NMSI a n d th e t rea tm en t 31

of cla s s 1 IMSI. 32

3 .1 .2 .2 .2 Procedu res 33

Wh en th e ba s e s ta t ion s en ds PDUs d ir ected to a s pecific m obile s ta t ion , th e ba s e s ta t ion 34

s h a ll a ddres s th e m obile s ta t ion u s in g th e ESN, th e IMSI with wh ich th e m obile s ta t ion 35

regis tered la s t , or th e TMSI. Wh en th e bas e s ta t ion s en ds PDUs ca rryin g Data Bu rs t 36

Mess ages to a grou p of m obile s t a tion s , th e ba s e s ta t ion s h all u s e a b roa dca s t a ddres s for 37

th e grou p of m obile s ta tion s . 38

YD/ T 1838 .3 -2008

3 -45


3 .1 .2 .3 .1 Pa ra m eters 2

3 .1 .2 .3 .1 .1 Mes s a ge Type Fields 3

Th e ba se s ta tion sh a ll u s e th e fields defin ed in 3 .1 .2 .3 .1 .1 .1 for PDUs t ra n s m it ted on th e 4

f-cs ch , a n d s h a ll s et th ese fields a ccord in g to th e requ irem en ts in 3 .1 .2 .3 .1 .1 .2 . 5

3 .1 .2 .3 .1 .1 .1 Defin ition of Mes s age Type Fields 6

Th e m ess a ge type fields for PDUs t ra n s m it ted on th e f-csch h a ve th e followin g form a t : 7

8


PD 2

MSG_ID 6

9

PD – Protocol Dis crim in a tor . 10

MSG_ID – Mess a ge Iden tifier . 11

3 .1 .2 .3 .1 .1 .2 Requ irem en t s for Set t in g Mess a ge Type Field 12

Th e ba s e s ta t ion sh a ll s et th e PD field a s follows : 13

• If th e m es s a ge is a ddres sed to a m obile s ta t ion with MOB_P_REV grea ter th a n or 14

equ a l to s even a n d th e m ess a ge is s en t on th e Pagin g Ch a n n el a n d th e m es s a ge 15

con ta in s Exten ded -En crypt ion Fields , th e ba se s ta t ion s h all s et th e PD field to „01‟. 16

• Oth erwis e, th e ba se s ta t ion s h a ll s et th e PD field to „00‟. 17

Th e ba se s ta tion s h all set th e MSG_ID field in PDUs t ra n s m it ted on th e f-cs ch a s sh own in 18

Ta ble 3 .1 .2 .3 .1 .1 .2 -1 . 19

20

YD/ T 1838 .3 -2008

3 -46

Table 3 .1 .2 .3 .1 .1 .2 -1 . MSG_ID Values on f-csch (part 1 of 2 ) 1


(binary)

Logical Channel

S ys tem Param eters Mes s age SPM 000001 b roa dca s t

Acces s Param eters Mess age APM 000010 b roa dca s t

Neigh bor Lis t Mess age NLM 000011 b roa dca s t

CDMA Ch an n el Lis t Mes s age CCLM 000100 b roa dca s t

Order Mes s age ORDM 000111 gen era l s ign alin g

Ch an n el As s ign m en t Mes s age CAM 001000 gen era l s ign alin g

Data B u rs t Mess age DBM 001001 gen era l s ign alin g

Au th en ticat ion Ch allen ge Mess age AUCM 001010 gen era l s ign alin g

S S D Update Mes s age SSDUM 001011 gen era l s ign alin g

Featu re Notification Mes s age FNM 001100 gen era l s ign alin g

Ex ten ded S ys tem Param eters

Mess age

ESPM 001101 b roa dca s t

Ex ten ded Neigh bor Lis t Mess age ENLM 001110 b roa dca s t

S tatu s Requ es t Mes s age STRQM 001111 gen era l s ign alin g

S ervice Redirection Mes s age SRDM 010000 gen era l s ign alin g

Gen eral Page Mess age GPM 010001 gen era l s ign alin g

Global S ervice Redirection Mes s age GSRDM 010010 b roa dca s t

TMS I As s ign m en t Mes s age TASM 010011 gen era l s ign alin g

PACA Mes s age PACAM 010100 gen era l s ign alin g

Ex ten ded Ch an n el As s ign m en t

Mess age

ECAM 010101 gen era l s ign alin g

Gen eral Neigh bor Lis t Mes s age GNLM 010110 b roa dca s t

Us er Zon e Iden tification Mes s age UZIM 010111 b roa dca s t

Private Neigh bor Lis t Mes s age PNLM 011000 b roa dca s t

Res erved N/ A 011001 N/ A

Ex ten ded Global S ervice Redirection

Mess age

EGSRM 011010 b roa dca s t

Ex ten ded CDMA Ch an n el Lis t Mes s age ECCLM 011011 b roa dca s t

S yn c Ch an n el Mes s age SCHM 000001 s yn c

2

YD/ T 1838 .3 -2008

3 -47

Table 3 .1 .2 .3 .1 .1 .2 -1 . MSG_TYPE Valu es on f-cs ch (part 2 of 2 ) 1


(binary)

Logical Channel

Us er Zon e Reject Mes s age UZRM 011100 gen era l s ign alin g

ANS I-41 S ys tem Param eters Mes s age A41SPM 011101 b roa dca s t

MC-RR Param eters Mes s age MCRRPM 011110 b roa dca s t

ANS I-41 RAND Mes s age A41RANDM 011111 b roa dca s t

En h an ced Acces s Param eters

Mess age

EAPM 100000 b roa dca s t

Un ivers al Neigh bor Lis t Mess age UNLM 100001 b roa dca s t

S ecu rity Mode Com m an d Mes s age SMCM 100010 gen era l s ign alin g

Un ivers al Page Mes s age UPM 100011

100100

100101

100110

gen era l s ign alin g

MC-MAP S yn c Ch an n el Mess age


MAPSCHM 100111 s yn c

MC-MAP S ys tem In form ation Mes s age


MAPSIM 101000 b roa dca s t

MC-MAP L3 Mes s age


MAPL3M 101001 gen era l s ign alin g

R-TMS I Ass ign m en t Mes s age


RTASM 101010 gen era l s ign alin g

MC-MAP Flow Release Mes s age


MAPFRM 101011 gen era l s ign alin g

2

3 .1 .2 .3 .1 .2 Gen eral Page Mess age Com m on Fields 3

Th e ba se s ta tion sh a ll u s e th e fields defin ed in 3 .1 .2 .3 .1 .2 .1 for a PDU corres pon din g to th e 4

Gen eral Page Mess age (see Ta ble 3 .1 .2 .3 .1 .1 .2 -1 ), a n d sh a ll s et th es e fields a ccord in g to th e 5

requ irem en ts in 3 .1 .2 .3 .1 .2 .2 . 6

3 .1 .2 .3 .1 .2 .1 Defin ition of Gen eral Page Mes s age Com m on Fields 7

Th e GPM com m on fields for a PDU corres pon din g to th e Gen eral Page Mess age h ave th e 8


10

YD/ T 1838 .3 -2008

3 -48


CONFIG_MSG_SEQ 6

ACC_MSG_SEQ 6

CLASS_0_DONE 1

CLASS_1_DONE 1

TMSI_DONE 1

ORDERED_TMSIS 1

BROADCAST_DONE 1

RESERVED 4

ADD_LENGTH 3

ADD_PFIELD 8 ADD_LENGTH

1

CONFIG_MSG_SEQ – Con figu ra t ion m ess a ge sequ en ce n u m ber. 2

ACC_MSG_SEQ – Acces s pa ra m eters m ess a ge sequ en ce n u m ber. 3

CLASS_0_DONE – Cla s s 0 pa ges a re don e. 4

CLASS_1_DONE – Cla s s 1 pa ges a re don e. 5

TMSI_DONE – TMSI pa ges a re don e. 6

ORDERED_TMSIS – TMSIs s en t in n u m erica l order. 7

BROADCAST_DONE – Broa dca s t pa ges a re don e. 8


ADD_LENGTH – Nu m ber of octets in th e pa ge m es s a ge s pecific fields . 10

ADD_PFIELD – Addit ion al pa ge m ess a ge specific fields . 11

3 .1 .2 .3 .1 .2 .2 Requ irem en ts for Set t in g GPM Com m on Fields 12

Th e ba s e s ta t ion s h a ll s et th e CONFIG_MSG_SEQ, ACC_MSG_SEQ, CLASS_0_DONE, 13

CLASS_1_DONE, TMSI_DONE, ORDERED_TMSIS, BROADCAST_DONE, RESERVED, 14

ADD_LENGTH a n d ADD_PFIELD fields to th e valu es received from La yer 3 for th es e fields 15

(s ee 3 .7 .2 .3 .2 .17 of [5 ]). 16

3 .1 .2 .3 .1 .3 Exten ded-En cryp tion Fields 17

Th e ba se s ta tion sh a ll u se th e PDU form a ts defin ed in 3 .1 .2 .3 .2 .2 , 3 .1 .2 .3 .2 .3 a n d 18

3 .1 .2 .3 .2 .4 for PDUs t ra n s m it ted on th e gen era l s ign a lin g ch a n n el. Wh en th e ba s e s ta t ion 19

u s es th e Exten ded-En cryp tion fields defin ed in 3 .1 .2 .3 .1 .3 .1 , th e ba s e s ta t ion sh a ll s et 20

th ese fields a ccord in g to th e requ irem en ts in 3 .1 .2 .3 .1 .3 .2 . 21

3 .1 .2 .3 .1 .3 .1 Defin ition of Exten ded -En crypt ion Fields 22

Th e Exten ded -En crypt ion fields for PDUs t ra n s m it ted on th e gen era l s ign a lin g ch an n el h a ve 23


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3 -49

1


ENC_FIELDS_INCL 1


ENC_SEQ 0 or 8

2

ENC_FIELDS_INCL – Exten ded-En cryp tion Fields in clu ded in dica tor . 3


PDU. 5

ENC_SEQ – Eigh t lea s t s ign ifica n t b its of th e en cryp tion s equ en ce n u m ber 6

u s ed to con s tru ct a cryp togra ph ic s yn ch ron iza tion cryp to -7

s yn c (see [5]) for th e en cryp t ion a lgorith m . 8

3 .1 .2 .3 .1 .3 .2 Requ irem en ts for Set t in g Exten ded -En cryp tion Fields 9

Th e ba s e s ta t ion sh a ll s et th e Exten ded -En crypt ion fields a s follows : 10

• Th e ba s e s ta t ion sh a ll s et th e ENC_FIELDS_INCL field to „1 ‟ if Exten ded -En cryp t ion 11

fields a re in clu ded in th is PDU; oth erwis e, th e base s ta t ion sh a ll s et th e 12

ENC_FIELDS_INCL field to „0 ‟. If th e s ign a lin g en cryp t ion is d is a b led for th e SDU 13

ca rried by th is PDU (s ee Ta ble 3 .7 .4 .5 -1 of [5]), th e ba s e s ta t ion s h a ll n ot in clu de 14

Exten ded-En cryp tion fields in th e PDU 15

• If ENC_FIELDS_INCL is s et to „1 ‟, th e ba s e s ta tion s h a ll in clu de th e 16

SDU_ENCRYPT_MODE field a n d sh a ll set it to th e s ign a lin g en cryp t ion m ode th a t is 17

u s ed for th e SDU ca rried by th is PDU a n d is p rovided by La yer 3 ; oth erwis e, th e 18

ba s e s ta t ion s h a ll om it th e SDU_ENCRYPT_MODE field . 19

• If th e SDU_ENCRYPT_MODE field is in clu ded a n d is s et to „001‟ , th e ba s e s ta t ion 20

s h a ll in clu de th e ENC_SEQ field a n d s h a ll s et it to th e valu e p rovided by La yer 3 ; 21

oth erwis e, th e ba se s ta t ion s h a ll om it th e ENC_SEQ field . 22

Th e ba se s ta tion s h a ll n ot ch an ge th e va lu e of th e Exten ded -En cryp tion fields a n d th e 23


3 .1 .2 .3 .1 .4 PDU Pa dd in g Field 25

Th e ba s e s ta t ion s h a ll u s e th e field defin ed in 3 .1.2 .3 .1 .4 .1 to pa d PDUs t ra n s m it ted on th e 26

f-cs ch . Th e ba s e s ta tion s h all s et th is field a ccord in g to th e requ irem en ts in 3 .1 .2 .3 .1 .4 .2 . 27

3 .1 .2 .3 .1 .4 .1 Defin ition of PDU Pa dd in g Field 28

Th e PDU pa ddin g field for PDUs t ra n s m it ted on th e f-csch h a s th e followin g form a t : 29

30

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3 -50


PDU_PADDING 0 - 7

1


3 .1 .2 .3 .1 .4 .2 Requ irem en ts for Set t in g PDU Pa dd in g Field 3

Th e ba s e s ta t ion s h a ll s et th e PDU Pa dd in g field to con ta in th e m in im u m n u m ber of b its 4

n eeded to m a ke th e len gth of th e PDU equ a l to 8k+2 b its , wh ere k is a n in teger (k 0 ). Th e 5

ba s e s ta t ion s h a ll s et th ese b its to „0 ‟. 6

3 .1 .2 .3 .1 .5 Un ivers al Page Mes s age Com m on Fields 7

3 .1 .2 .3 .1 .5 .1 Defin ition of Un ivers al Page Mes s age Com m on Fields 8

Th e UPM com m on fields for a PDU corres p on din g to th e Un ivers al Page Mes s age h ave th e 9


11


CONFIG_MSG_SEQ 6

ACC_MSG_SEQ 6

READ_NEXT_SLOT 1

READ_NEXT_SLOT_BCAST 1

12

CONFIG_MSG_SEQ – Con figu ra t ion m ess a ge sequ en ce n u m ber. 13

ACC_MSG_SEQ – Acces s pa ra m eters m ess a ge sequ en ce n u m ber. 14

READ_NEXT_SLOT – Pa ges ca rr ied in to n ext s lot in dica tor . 15

READ_NEXT_SLOT_BCAST – En h a n ced Broa dca s t Pa ges ca rr ied in to n ext s lot in d ica tor . 16

3 .1 .2 .3 .1 .5 .2 Requ irem en ts for Set t in g UPM Com m on Fields 17

Th e ba s e s ta t ion sh a ll s et th e CONFIG_MSG_SEQ, ACC_MSG_SEQ, READ_NEXT_SLOT a n d 18

READ_NEXT_SLOT_BCAST fields to th e va lu es received from La yer 3 for th ese fields (see 19

3 .7 .2 .3 .2 .35 of [5 ]). 20

3 .1 .2 .3 .1 .6 UPM Segm en t Sequ en ce Nu m ber Field 21

3 .1 .2 .3 .1 .6 .1 Defin ition of UPM Segm en t Sequ en ce Nu m ber Field 22

Th e UPM com m on fields for a PDU corres pon din g to th e Un ivers al Page Mes s age h ave th e 23


25

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3 -51


UPM_SEGMENT_SEQ 2

1

UPM_SEGMENT_SEQ – Un ivers al Page Mes s age s egm en t s equ en ce n u m ber. 2

3 .1 .2 .3 .1 .6 .2 Requ irem en t s for Set t in g UPM Segm en t Sequ en ce Nu m ber Field 3

In th e UPM Middle S egm en t PDU corres pon d in g to th e s econ d , th ird , or fou rth s egm en t of a 4

s egm en ted Un ivers al Page Mess age , th e ba se s ta t ion s h a ll s et UPM_SEGMENT_SEQ to „00‟, 5

„01‟, or „10‟, res pectively. 6

In th e UPM Fin al S egm en t PDU correspon d in g to th e s econ d , th ird , fou rth , or fifth s egm en t 7

of a s egm en ted Un ivers al Page Mes s age , th e bas e s ta t ion s h all set UPM_SEGMENT_SEQ to 8

„00‟, „01 ‟, „10 ‟ or „11‟, res pectively. 9

3 .1 .2 .3 .1 .7 Record -s pecific Fields 10

Th e ba s e s ta t ion s h a ll u s e th e fields defin ed in 3 .1 .2 .3 .1 .7 .1 pa ge records in clu ded in a 11

Gen eral Page Mes s age or a Un ivers al Page Record (s ee Ta b le 3 .1 .2 .3 .1 .1 .2 -1 ), a n d s h a ll s et 12

th ese fields a ccord in g to th e requ irem en ts in 3 .1 .2 .3 .1 .7 .2 . 13

3 .1 .2 .3 .1 .7 .1 Defin ition of Record -specific Fields 14

Th e record -s pecific fields to be in clu ded in a pa ge record depen ds on th e type of pa ge record . 15

If th e record is a Mobile S tation -addres sed record s en t in a Gen eral Page Mes s age (s ee 16

3 .1 .2 .3 .2 .2 ), th e record -specific field h a s th e followin g form a t : 17

18


SDU_INCLUDED 1

19

SDU_INCLUDED – SDU in clu ded in dica tor23 . 20

In d ica tes wh eth er a n SDU is in clu ded in th e pa ge record . 21

If th e record is a Mobile S tat ion -address ed record s en t in a Un ivers al Page Mes s age (s ee 22

3 .1 .2 .3 .2 .4 .2 .1 ), th e record -s pecific field h a s th e followin g form a t : 23

23 In [11 ] th is field is refer red to a s SPECIAL_SERVICE.

YD/ T 1838 .3 -2008

3 -52

1


EXT_MS_SDU_LENGTH_INCL 1

EXT_MS_SDU_LENGTH 0 or 4

2

EXT_MS_SDU_LENGTH_INCL – Exten ded m obile s ta tion -a ddres s ed SDU len gth in clu ded 3

in dica tor . 4

In d ica tes wh eth er a n exten ded SDU len gth field is 5

in clu ded in th e pa ge. 6

EXT_MS_SDU_LENGTH – Exten ded m obile s ta tion -a ddres s ed SDU len gth . 7

Nu m ber of octets in th e SDU in clu ded in th e pa ge record , 8

m in u s two. 9

If th e record is a n En h an ced B roadcas t record s en t in a Gen eral Page Mess age or a 10

Un ivers al Page Mes s age (see 3 .1 .2 .3 .2 .4 .1 a n d 3 .1 .2 .3 .2 .4 .2 .1 ), th e record -s pecific field h a s 11


13


EXT_BCAST_SDU_LENGTH_IND 2

EXT_BCAST_SDU_LENGTH 0 or 4

14

EXT_BCAST_SDU_LENGTH_IND – Exten ded b roa dca s t SDU len gth in d ica tor 15

EXT_BCAST_SDU_LENGTH – Exten ded b roa dca s t SDU len gth . 16

Th e EXT_BCAST_SDU_LENGTH_IND a n d 17

EXT_BCAST_SDU_LENGTH fields togeth er 18

determ in e th e len gth of th e SDU in clu ded in th e 19

pa ge. 20

3 .1 .2 .3 .1 .7 .2 Requ irem en ts for Set t in g Record-s pecific Fields 21

For a Mobile S tat ion -address ed record s en t in a Gen eral Page Mes s age , if La yer 3 s en ds an 22

SDU to be in clu ded in th e pa ge record , th e ba se s ta t ion sh a ll s et th e SDU_INCLUDED field 23

to „1 ‟; oth erwis e, th e ba s e s ta t ion sh a ll s et th is field to „0 ‟. (If SDU_INCLUDED is s et to „1 ‟, 24

th e len gth of th e SDU in clu ded in th e page record is two octets .) 25

For a Mobile S tat ion -addres sed record s en t in a Un ivers al Page Mes s age , if La yer 3 s en ds 26

a n SDU to be in clu ded in th e pa ge record wh os e len gth is grea ter th a n two octets , th e ba s e 27

s ta t ion sh a ll set th e EXT_MS_SDU_LENGTH_INCL field to „1 ‟; oth erwis e, th e ba s e s ta tion 28

s h a ll s et th is field to „0 ‟. If EXT_MS_SDU_LENGTH_INCL is s et to „0 ‟, th e ba s e s ta t ion s h all 29

om it th e EXT_MS_SDU_LENGTH field ; oth erwis e, th e ba s e s ta t ion sh a ll in clu de th e 30

EXT_MS_SDU_LENGTH field a n d s et it to th e n u m ber of octets in th e SDU in clu ded in th e 31

pa ge record , m in u s two. (If EXT_MS_SDU_LENGTH_INCL is set to „0 ‟, th e len gth of th e 32

SDU in clu ded in th e pa ge record is two octets ). 33

YD/ T 1838 .3 -2008

3 -53

For a n En h an ced B roadcas t record s en t in a Gen eral Page Mes s age or a Un ivers al Page 1

Mess age , th e ba se s ta t ion s h all s et th e EXT_BCAST_SDU_LENGTH_IND bas ed on th e 2

len gth of th e SDU, a s sh own in Ta b le 3 .1 .2 .3 .1 .2 .2 .1 -1 . Th e ba s e s ta t ion s h all in clu de or 3

om it th e EXT_BCAST_SDU_LENGTH field ba s ed on th e len gth of th e SDU, a n d sh a ll set it 4

a s s h own in Ta b le 3 .1 .2 .3 .1 .7 .2 -1 . 5

6

Table 3 .1 .2 .3 .1 .7 .2 -1 . Valu es of EXT_BCAST_SDU_LENGTH_IND and 7

EXT_BCAST_SDU_LENGTH Fields 8

Length of the

SDU

(bits )

EXT_

BCAST_SDU_-

LENGTH_IND

(binary)

EXT_-

BCAST_SDU_-

LENGTH field

inclu ded?

EXT_-

BCAST_SDU_-

LENGTH

(decimal)

13 00 No N/ A

18 01 No N/ A

13 + 8k , k > 0 10 Yes k

18 + 8k , k > 0 11 Yes k

9

3 .1 .2 .3 .2 Procedu res 10

Th e ba s e s ta tion s h ou ld s et th e fields defin ed in 3 .1 .2 .3 .1 a ccord in g to th eir corres pon d in g 11

requ irem en ts . 12

3 .1 .2 .3 .2 .1 PDU As sem bly on th e syn c ch a n n el or b roa dca s t ch an n el 13

For PDUs t ra n s m it ted on th e syn c ch a n n el or on th e b roa dca s t ch a n n el, th e ba s e s ta t ion 14

s h a ll u se th e followin g form a t : 15

16

Field Reference

Mess a ge Type Fields Section 3 .1 .2 .3 .1 .1 .1

SDU [5 ]

PDU_PADDING Section 3 .1 .2 .3 .1 .4 .1

17

3 .1 .2 .3 .2 .2 PDU As s em bly on th e Pa gin g Ch a n n el wh en th e PDU does n ot con tain 18

Exten ded-En cryp tion Fields 19

20

For PDUs t ra n s m it ted on th e Pa gin g Ch an n el wh ich do n ot con ta in th e Exten ded -21

En cryp tion Fields , th e ba se s ta t ion sh a ll u se th e followin g form a ts : 22

YD/ T 1838 .3 -2008

3 -54

• For PDUs ca rryin g th e Order Mes s age or th e Ch an n el As s ign m en t Mess age (s ee 1

Ta ble 3 .1 .2 .3 .1 .1 .2 -1 ): 2

3

Field Reference


On e or m ore occu rren ces of th e followin g record :


Address in g Fields Section 3 .1 .2 .2 .1 .3 .1

SDU [5 ]


4

• For PDUs ca rryin g th e Ex ten ded Ch an n el As s ign m en t Mes s age (see Ta b le 5

3 .1 .2 .3 .1 .1 .2 -1 ): 6

7

Field Reference/ Length





RESERVED_1 1 -b it field set to „0 ‟

ADD_RECORD_LEN 8-b it field set to th e n u m ber

of octets in th e S DU

SDU [5 ]


8

• For PDUs ca rryin g th e Gen eral Page Mes s age (see Ta b le 3 .1 .2 .3 .1 .1 .2 -1 ): 9

YD/ T 1838 .3 -2008

3 -55

1

Field Reference


GPM Com m on Fields Section 3 .1 .2 .3 .1 .2 .1

Zero or m ore occu rren ces of th e Page Record .


2

Th e Page Record ca n be a Mobile S tation -addres sed record , or a B roadcas t record . 3

Th e ba s e s ta t ion sh a ll in s ert Page Records in th e Gen eral Page Mess age in th e s a m e 4

order a s th e corres pon din g SDUs a re received from La yer 3 . 5

– A Mobile S tat ion -addres sed record h a s th e followin g form a t : 6

7

Field Reference

Pa ge Cla ss Fields Section 3 .1 .2 .2 .1 .1 .1 .1


Pa ge Type-specific Fields Section 3 .1 .2 .2 .1 .1 .2 .1

Record-s pecific Fields Section 3 .1 .2 .3 .1 .7 .1

SDU [5 ]

8

– A B roadcas t record h a s th e followin g form a t : 9

10

Field Reference



11

• For th e Nu ll PDU: 12

13

Field Reference


14

• For a n y oth er PDU: 15

YD/ T 1838 .3 -2008

3 -56

1

Field Reference




SDU [5 ]


2

3 .1 .2 .3 .2 .3 PDU As s em bly on th e Pa gin g Ch an n el wh en th e PDU con ta in s Exten ded -3

En cryp tion Fields 4

5

For PDUs t ra n s m it ted on th e Pa gin g Ch a n n el wh en P_REV_IN_USE is grea ter th a n or equ a l 6

to seven , th e ba s e s ta t ion m a y in clu de th e Exten ded -En cryp t ion Fields . If th e Exten ded -7

En cryp tion Fields a re in clu ded , th e ba s e s ta tion sh a ll u s e th e followin g form a ts : 8

• For PDUs ca rryin g th e Order Mes s age or Ch an n el As s ign m en t Mes s age (see Ta b le 9

3 .1 .2 .3 .1 .1 .2 -1 ): 10

11

Field Reference




Exten ded-En cryp tion

Fields

Section 3 .1 .2 .3 .1 .3 .1

SDU [5 ]


12


3 .1 .2 .3 .1 .1 .2 -1 ): 14

15

YD/ T 1838 .3 -2008

3 -57


Mess a ge Type Field s Section 3 .1 .2 .3 .1 .1 .1





Fields

Section 3 .1 .2 .3 .1 .3 .1


ADD_RECORD_LEN 8 -b it field set to th e n u m ber

of octets in th e SDU

SDU [5 ]


1

2

• For a n y oth er PDU excep t th e Gen eral Page Mes s age a n d th e Nu ll Mess age : 3

4

Field Reference





Fields

Section 3 .1 .2 .3 .1 .3 .1

SDU [5 ]


5

3 .1 .2 .3 .2 .4 PDU As sem bly on th e Forwa rd Com m on Con trol Ch a n n el 6

3 .1 .2 .3 .2 .4 .1 PDU As s em bly for PDUs Ca rryin g Mess a ges Oth er th a n th e Un ivers al Page 7

Mess age 8

For PDUs t ra n s m it ted on th e Forwa rd Com m on Con trol Ch a n n el oth er th a n th ose ca rryin g 9

th e Un ivers al Page Mes s age , th e ba s e s ta t ion sh a ll u se th e followin g form a ts : 10

• For PDUs ca rryin g th e Order Mes s age (s ee Ta ble 3.1 .2 .3 .1 .1 .2 -1 ): 11

- for n on -en cryp ted SDUs : 12

YD/ T 1838 .3 -2008

3 -58

1

Field Reference






Fields

Section 3 .1 .2 .3 .1 .3 .1

SDU [5 ]


- for a n en cryp ted SDU: 2

3

Field Reference





Fields

Section 3 .1 .2 .3 .1 .3 .1

SDU [5 ]


4

5

YD/ T 1838 .3 -2008

3 -59


3 .1 .2 .3 .1 .1 .2 -1 ): 2

3







Fields

Section 3 .1 .2 .3 .1 .3 .1


ADD_RECORD_LEN 8 -b it field set to th e n u m ber

of octets in th e SDU

SDU [5 ]


4

• For PDUs ca rryin g th e Gen eral Page Mes s age (see Ta b le 3 .1 .2 .3 .1 .1 .2 -1 ): 5

6

Field Reference


GPM Com m on Fields Section 3 .1 .2 .3 .1 .2 .1



7

Th e Page Record ca n be a Mobile S tation -addres sed record , a B roadcas t record , or 8

a n En h an ced B roadcas t record . Th e ba s e s ta tion s h a ll in s ert Page Records in th e 9

Gen eral Page Mess age in th e s a m e order a s th e corres pon d in g SDUs a re received 10

from La yer 3 . 11

YD/ T 1838 .3 -2008

3 -60


2

Field Reference





SDU [5 ]

3

– A B roadcas t record h a s th e followin g form a t : 4

5

Field Reference



6

– An En h an ced B roadcas t record h a s th e followin g form a t : 7

8




SDU [5 ]

9

• For a n y oth er PDU: 10

11

Field Reference





Fields

Section 3 .1 .2 .3 .1 .3 .1

SDU [5 ]


12

YD/ T 1838 .3 -2008

3 -61

3 .1 .2 .3 .2 .4 .2 PDU As sem bly for PDUs Ca rryin g th e Un ivers al Page Mes s age 1

3 .1 .2 .3 .2 .4 .2 .1 As s em bly of th e Un ivers al Page B lock 2

Wh en th e ba s e s ta t ion a s sem bles th e PDU or PDUs for th e Un ivers al Page Mes s age , it s h a ll 3

firs t form a Un ivers al Page B lock u s in g th e followin g form a t : 4

5

Field Reference

UPM Com m on Fields Section 3 .1 .2 .3 .1 .5 .1

In terleaved Addres s Fields Section 3 .1 .2 .2 .1 .2 .1 .1


6

Th e Page Record ca n be a Mobile S tation -addres sed record , a Mobile S tation -7

d irected Mes s age An n ou n cem en t record , or a n En h an ced B roadcas t record . Mobile 8

s ta t ion -d irected m ess a ge a n n ou n cem en t records a re u s ed to keep th e m obile s ta t ion 9

m on itorin g th e cu rren t s lot , pa s t th e cu rren t m ess a ge, to receive a m es s a ge directed 10

to th e m obile s ta tion in th e cu rren t s lot . 11

Th e ba s e s ta t ion sh a ll in s ert Page Records in th e Un ivers al Page B lock in th e s a m e 12

order a s th e corres pon din g a ddres s bits occu r in th e In terlea ved Addres s Fields (see 13

3 .1 .2 .2 .1 .2 .1 .2 ) a s follows : 14

Th e ba s e s ta t ion sh a ll in clu de a n y pa ge records with form a t 15 .0 (s ee Ta b le 15

3 .1 .2 .2 .1 .1 .1 .2 -1 ) firs t a n d s h a ll in clu de th em in th e s a m e order a s th e occu rren ces 16

of th e BC_ADDRESS_BIT field of th e pa rt ia l a ddres s s u brecord of th e In terlea ved 17

Address Fields . Specifica lly, th e ith occu rren ce of th e pa ge record with form a t 15 .0 18

s h a ll correspon d th e ith occu rren ce of th e BC_ADDRESS_BIT field of th e pa rt ia l 19

a ddres s su brecord of th e In terlea ved Addres s Fields . 20

Th e ba s e s ta t ion sh a ll in clu de a n y pa ge records with form a ts from 0 to 5 (see Ta b le 21

3 .1 .2 .2 .1 .1 .1 .2 -1 ) n ext a n d s h a ll in clu de th em in th e s a m e order a s th e occu rren ces 22

of th e IMSI_S_BIT field of th e pa rt ia l a ddres s su brecord of th e In terlea ved Addres s 23

Fields . Specifica lly, th e ith occu rren ce of th e pa ge record with form a t from 0 to 5 24

s h a ll correspon d th e ith occu rren ce of th e IMSI_S_BIT field of th e pa rt ia l a ddress 25

s u brecord of th e In terlea ved Address Fields . 26

Th e ba s e s ta t ion sh a ll in clu de a n y pa ge records with form a ts from 8 to 11 (see Ta b le 27

3 .1 .2 .2 .1 .1 .1 .2 -1 ) n ext a n d s h a ll in clu de th em in th e s a m e order a s th e occu rren ces 28

of th e TMSI_CODE_ADDR_BIT field of th e pa rt ia l a ddres s su brecord of th e 29

In terleaved Addres s Fields . Specifica lly, th e ith occu rren ce of th e pa ge record with 30

form a t from 8 to 11 s h a ll corres pon d th e ith occu rren ce of th e 31

TMSI_CODE_ADDR_BIT field of th e pa rt ia l a ddress s u brecord of th e In terlea ved 32

Address Fields . 33


YD/ T 1838 .3 -2008

3 -62

1





SDU [5 ]

2

– A Mobile S tat ion -d irected Mess age An n ou n cem en t record h a s th e followin g 3

form a t : 4

5



6

– An En h an ced B roadcas t record h a s th e followin g form a t : 7

8




SDU [5 ]

9

3 .1 .2 .3 .2 .4 .2 .2 PDU As s em bly for PDUs Ca rryin g th e Un ivers al Page Mes s age 10

Th e ba s e s ta t ion ca n s en d th e Un ivers al Page Mes s age u s in g on e PDU. Th e ba s e s ta tion 11

ca n a lso op tion a lly s egm en t th e Un ivers al Page Mes s age in to m u lt ip le PDUs in order to 12

a llow m obile s ta tion s opera t in g in th e s lot ted m ode a n d m on itorin g th e Forwa rd Com m on 13

Con trol Ch a n n el to qu ickly s top m on itorin g th e Forwa rd Com m on Con trol C h a n n el for th e 14

s a ke of power con s erva tion . For exa m ple, if a Un ivers al Page Mes s age wou ld s pa n m u lt ip le 15

Forwa rd Com m on Con trol Ch a n n el fra m es if in clu ded in a s in gle PDU, th e ba se s ta tion 16

cou ld s egm en t th e Un ivers al Page Mess age in to two PDUs . By in clu din g th e firs t PDU 17

with in th e firs t Forwa rd Com m on Con trol Ch a n n el fra m e of a s lot , th e ba s e s ta t ion ca n give 18

m obile s ta t ion s opera t in g in th e s lot ted m ode th e a b ility to con serve power a fter th e firs t 19

fra m e. 20

3 .1 .2 .3 .2 .4 .2 .2 .1 PDU As s em bly for a n Un s egm en ted Un ivers al Page Mess age 21

Wh en t ra n s m it tin g a PDU on th e Forwa rd Com m on Con trol Ch a n n el ca rryin g a n 22

u n s egm en ted Un ivers al Page Mess age (th e PDU is ca lled th e Un segm en ted UPM PDU), th e 23

ba s e s ta t ion s h a ll u s e th e followin g form a t : 24

YD/ T 1838 .3 -2008

3 -63

1

Field Reference/ Value

PD Section 3 .1 .2 .3 .1 .1 .2

MSG_ID „100011‟

Un ivers al Pa ge Block Section 3 .1 .2 .3 .2 .4 .2 .1


2

3 .1 .2 .3 .2 .4 .2 .2 .2 PDU As s em bly for a Segm en ted Un ivers al Page Mes s age 3

Wh en th e ba s e s ta t ion segm en ts th e Un ivers al Page B lock in to m u lt iple PDUs , th e Utility 4

Su bla yer s h a ll s u bm it th e PDUs to th e SAR Su bla yer in order, with th e PDU corres pon din g 5

to th e m os t s ign ifica n t portion of th e Un iversal Page Block firs t , followed by PDU(s) 6

corres pon d in g to less s ign ifican t portion s of th e Un ivers al Page B lock . 7

Th e ba s e s ta tion s h all n ot t ra n s m it PDUs derived from th e s a m e Un ivers al Page B lock in 8

d ifferen t Forwa rd Com m on Con trol Ch a n n el s lots . Th e ba s e s ta t ion s h a ll n ot t ra n s m it 9

m ore th a n two UPM Firs t S egm en t PDUs in th e s a m e Forwa rd Com m on Con trol Ch a n n el 10

s lot . 11

Wh en t ra n s m it tin g th e firs t PDU on th e Forwa rd Com m on Con trol Ch an n el of a s egm en ted 12

Un ivers al Page Mes s age (th e PDU is ca lled th e UPM Firs t S egm en t PDU), th e ba s e s ta tion 13


15


PD Section 3 .1 .2 .3 .1 .1 .2

MSG_ID „100100‟

Firs t Segm en t of th e

Un ivers al Pa ge Block

Section 3 .1 .2 .3 .2 .4 .2 .1

16

In th e a bove PDU form a t ,24 for th e Firs t Segm en t of th e Un ivers a l Pa ge Block field , th e ba s e 17

s ta t ion s h all in clu de 8k+1 (k is a n in teger grea ter th a n or equ a l t o 0 ) b its of th e Un ivers al 18

Page B lock , s ta r t in g with th e m os t s ign ifica n t bit . 19

Wh en t ra n s m it t in g on th e Forwa rd Com m on Con trol Ch an n el a PDU of a s egm en ted 20

Un ivers al Page Mess age (th e PDU is ca lled th e UPM Midd le S egm en t PDU) wh ich is la ter 21

th a n th e firs t PDU bu t ea rlier th a n th e la s t PDU, th e ba s e s ta t ion s h a ll u s e th e followin g 22

form a t : 23

24 Th is PDU form a t d oes n ot in clu de PDU Padd in g.

YD/ T 1838 .3 -2008

3 -64

1


PD Section 3 .1 .2 .3 .1 .1 .2

MSG_ID „100101‟

UPM_SEGMENT_SEQ Section 3 .1 .2 .3 .1 .6 .1

Midd le Segm en t of th e


Section 3 .1 .2 .3 .2 .4 .2 .1

2

In th e a bove PDU form a t ,25 for th e Midd le Segm en t of th e Un ivers al Pa ge Block field , th e 3

ba s e s ta t ion sh a ll in clu de 8k+7 (k is a n in teger grea ter th a n or equ a l to 0 ) b its of th e 4

Un ivers al Pa ge Block , s ta rt in g with th e m os t s ign ifica n t bit n ot a lrea dy in c lu ded in a 5

previou s PDU. 6

Wh en t ra n s m it tin g on th e Forwa rd Com m on Con trol Ch a n n el th e fin al PDU of a s egm en ted 7

Un ivers al Page Mes s age (th e PDU is called th e UPM Fin al S egm en t PDU) th e ba se s ta tion 8


10

Field Reference

PD Section 3 .1 .2 .3 .1 .1 .2

MSG_ID „100110‟

UPM_SEGMENT_SEQ Section 3 .1 .2 .3 .1 .6 .1

Fin al Segm en t of th e


Section 3 .1 .2 .3 .2 .4 .2 .1


In th e a bove PDU form a t , for th e Fin a l Segm en t of th e Un ivers a l Pa ge Block field , th e ba s e 11

s ta t ion sh a ll in clu de b its of th e Un ivers a l Pa ge Block , s ta rt in g with th e m os t s ign ifica n t b it 12

n ot a lrea dy in clu ded in a p reviou s PDU. 13


3 .1 .2 .4 .1 Pa ra m eters 15

Th e ba se s ta t ion s h a ll u s e th e SAR pa ra m eters defin ed in 3 .1 .2 .4 .1 .1 for PDUs t ra n s m it ted 16

on th e f-cs ch , a n d s h a ll set th e SAR pa ra m eters a ccordin g to th e requ irem en ts s pecified in 17

3 .1 .2 .4 .1 .2 . 18

25 Th is PDU form a t d oes n ot in clu de PDU Padd in g.

YD/ T 1838 .3 -2008

3 -65

3 .1 .2 .4 .1 .1 Defin ition of SAR pa ra m eters 1

Th e SAR pa ra m eters for PDUs t ra n s m itted on th e f-cs ch h a ve th e followin g form a t : 2

3


EXT_MSG_LENGTH 0 or 1

4

EXT_MSG_LENGTH – Exten ded m es s a ge len gth . 5

6


MSG_LENGTH 7 , 8 or 15

7


9


CRC 30

10

CRC – Cyclic Redu n da n cy Ch eck for th e PDU. 11

12


SOM 1

13

SOM – S ta rt of Mess a ge in dica tor , for ea ch en ca ps u la ted PDU 14

fra gm en t s en t on th e syn c ch a n n el. 15

16


SCI 1

17

SCI – Syn ch ron ized Ca psu le In dica tor , for ea ch en ca psu la ted PDU 18

fra gm en t s en t on th e Pa gin g Ch a n n el or Broa dcas t Ch a n n el. 19

20


SI 2

21

YD/ T 1838 .3 -2008

3 -66

SI – Segm en ta tion In dica tor , for ea ch en ca psu la ted PDU fra gm en t 1

s en t on th e Forwa rd Com m on Con trol Ch a n n el. 2


For PDUs th a t a re s en t on th e Forwa rd Com m on Con trol Ch an n el or Broa dca s t Ch a n n el, 4

th e EXT_MSG_LENGTH pa ra m eter s h a ll be in clu ded . For PDUs th a t a re s en t on a Pa gin g 5

Ch a n n el, th e EXT_MSG_LENGTH pa ra m eter s h all be om it ted . 6

For PDUs th a t a re s en t on th e Forwa rd Com m on Con trol Ch a n n e l or on th e Broa dca s t 7

Ch a n n el: 8

• If th e s ize of th e LAC PDU is les s th an or equ a l to 978 b its : 9


– Th e MSG_LENGTH field sh a ll be s even bits lon g an d s h all be set to 11


• If th e s ize of th e LAC PDU is grea ter th an 978 b its : 13


– Th e MSG_LENGTH field sh a ll be fifteen b its lon g an d s h all be set to 15


For PDUs th a t a re s en t on a Pa gin g Ch an n el, th e MSG_LENGTH pa ra m eter s h a ll be eigh t 17

b its lon g a n d sh a ll be s et to (s ize of LAC PDU in bits + 38) / 8 . 18

Th e ba s e s ta t ion sh a ll s et th e CRC pa ra m eter a s s pecified in 2 .1 .1 .5 .1 .2 . 26 19

For t ra n s m is s ion on th e Syn c Ch a n n el, th e ba s e s ta t ion s h a ll in clu de th e SOM pa ra m eter . 20

Th e SOM pa ra m eter s h a ll be s et to „1 ‟ for th e firs t en ca ps u la ted PDU fra gm en t of th e 21

en ca ps u la ted PDU a n d sh a ll be s et to „0 ‟ in a ll oth er ca s es . 22

For t ra n s m is s ion on a Pa gin g Ch a n n el or Broa dcas t Ch a n n el, th e ba s e s ta t ion s h all in clu de 23

th e SCI pa ra m eter . Th e SCI pa ra m eter s h a ll be s et to „1 ‟ for a n en ca psu la ted PDU fra gm en t 24

if th e m os t s ign ifican t bit of a n en ca psu la ted PDU im m edia tely follows th e SCI b it ; 25

oth erwis e, th e SCI pa ra m eter s h a ll be s et to „0 ‟. 26

For t ra n s m iss ion on th e Forwa rd Com m on Con trol Ch a n n el, th e b a s e s ta t ion s h all in clu de 27

th e SI pa ra m eter . If th e m os t s ign ifican t bit of a n en ca psu la ted PDU im m edia tely follows 28

th e SI pa ra m eter , th e SI pa ra m eter s h a ll be s et to „01‟; oth erwise, th e SI pa ra m eter s h a ll be 29

s et to „00‟. 30

3 .1 .2 .4 .2 Procedu res 31

Th e ba s e s ta t ion sh a ll s et th e SAR pa ra m eters a s s pecified in 3 .1 .2 .4 .1 .2 . 32

26 Wh en tra n sm ittin g on th e f-cs ch , th e b a se s ta tion s ets th e EXT_MSG_LENGTH p a ra m eter (if

in clu d ed ), th e MSG_LENGTH p a ra m et er a n d CRC p aram eter in th e s am e m an n er th a t th e m ob ile

s ta tion d oes wh en it is tr a n sm ittin g on th e r -cs ch .

YD/ T 1838 .3 -2008

3 -67

Th e ba se s ta tion sh a ll a s sem ble an en ca psu la ted PDU from th e SAR pa ra m eters a n d th e 1

PDU by con ca ten a tin g th em in th e followin g order: 2

• For PDUs th a t a re s en t on th e Forwa rd Com m on Con trol Ch a n n el or Broa dca s t 3

Ch a n n el, th e EXT_MSG_LENGTH pa ra m eter . 4

• Th e MSG_LENGTH pa ra m eter , s ta r t in g with th e m os t s ign ifica n t b it . 5

• Th e PDU, s ta rt in g with th e m os t s ign ifican t b it of th e MSG_TYPE field . 6

• Th e CRC pa ra m eter , s ta r t in g with th e b it th a t a ppea red firs t a t th e ou tpu t of th e 7

CRC en coder. 8

Th e ba s e s ta t ion s h all s egm en t th e en ca ps u la ted PDU in to fra gm en ts of m a xim u m a va ila b le 9

s ize (excep t for th e la s t fra gm en t wh ich m a y be sh orter) n ecess a ry to fit in a fra m e (for th e 10

s yn c ch a n n el), a h a lf-fra m e (for th e Pagin g Ch an n el) or a pa rt ia l-fra m e (for th e Forwa rd 11

Com m on Con trol Ch a n n el or for th e Broa dca s t Ch a n n el). Th e ba s e s ta t ion s h all sen d 12

en ca ps u la ted PDU fra gm en ts of a n en ca ps u la ted PDU in con secu t ive fra m es (for th e s yn c 13

ch a n n el), con s ecu tive h a lf-fra m es (for th e Pa gin g Ch an n el) or con s ecu tive pa rt ia l-fra m es 14

(for th e Forwa rd Com m on Con trol Ch an n el or for th e Broa dca s t Ch an n el). 15

For th e s yn c logica l ch a n n el, if th e SOM pa ra m eter is equ a l to „1 ‟, th e ba s e s ta t ion s h a ll 16

t ra n s m it th e m os t s ign ifica n t bit of th e en ca psu la ted PDU im m edia tely a fter th e SOM bit . 17

For f-cs ch ch an n els oth er th a n th e s yn c ch a n n el, th e ba s e s ta t ion sh a ll p roceed a s follows : 18

• For PDUs th a t a re s en t on a Pa gin g Ch an n el: 19

– Th e ba s e s ta t ion sh a ll t ra n s m it th e SCI pa ra m eter (s et a s described in 20

3 .1 .2 .4 .1 .2 ). 21

– If th ere a re fewer th a n eigh t bits rem a in in g in th e h a lf-fra m e a fter th e en d of th e 22

la s t b it of th e en ca psu la ted PDU, th e ba se s ta t ion s h a ll set th ose rem a in in g bits 23

to „0 ‟. 24

• For PDUs th a t a re s en t on th e Broa dca s t Ch a n n el: 25

– Th e ba s e s ta t ion sh a ll t ra n s m it th e SCI pa ra m eter (s et a s described in 26

3 .1 .2 .4 .1 .2 ). 27

– If th ere a re fewer th a n eigh t bits rem a in in g in th e pa rt ia l-fra m e a fter th e en d of 28

th e la s t b it of th e en ca psu la ted PDU, th e ba s e s ta t ion s h all set th os e rem a in in g 29

b its to „0 ‟. 30

• For PDUs th a t a re s en t on th e Forwa rd Com m on Con trol Ch a n n el: 31

– Th e ba s e s ta t ion s h all t ra n s m it th e SI pa ra m eter (s et a s des cribed in 3 .1 .2 .4 .1 .2 ). 32

– If th ere a re fewer th a n eigh t bits rem a in in g in th e pa rt ia l-fra m e a fter th e en d of 33

th e la s t b it of th e en ca psu la ted PDU, th e ba s e s ta t ion s h all set th os e rem a in in g 34

b its to „0 ‟. 35

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• For PDUs th a t a re s en t on a Pa gin g Ch an n el, if th ere a re eigh t or m ore b its 1

rem a in in g in th e h a lf-fra m e a fter th e en d of th e las t b it of th e en ca psu la ted PDU, or 2

for PDUs th a t a re s en t on th e Forwa rd Com m on Con trol Ch a n n el or th e Broa dcas t 3

Ch a n n el, if th ere a re s u fficien t bits rem a in in g to fit th e MSG_LENGTH a n d 4

EXT_MSG_LENGTH pa ra m eters in th e pa rt ia l-fra m e a fter th e en d of th e la s t b it of 5

th e en ca psu la ted PDU, th e ba se s ta t ion sh a ll perform on e of th e followin g: 6

– Th e ba s e s ta t ion sh a ll a ppen d su fficien t n u m ber of pa dd in g b its (set to „0 ‟) to fill 7

th e rem a in der of th e h alf-fra m e or pa rt ia l-fra m e, or 8

– Th e ba s e s ta t ion sh a ll s ta r t t ra n s m iss ion of th e n ext en ca psu la ted PDU by 9

a ppen din g a s u fficien t n u m ber of b its from th e begin n in g of th a t PDU to fill th e 10

rem a in der of th e h a lf-fra m e or pa rt ia l-fra m e. If th ere a re n ot en ou gh b its 11

a va ila ble in th e PDU to fill th e h alf-fra m e or pa rt ia l-fra m e, th e t ra n s m iss ion of 12

th e su bsequ en t PDU ca n com m en ce, a n d so on . Th e ba s e s ta t ion sh a ll n ot 13

s elect th is op t ion if it res u lts in s en din g th e firs t PDU in th e f-cs ch t im e s lot a s 14

a n u n s yn ch ron ized ca ps u le. 15

• On th e Pa gin g Ch a n n el, if th ere a re fewer th a n fou r b its rem a in in g in th e h a lf-fra m e 16

a fter th e en d of th e la s t bit of th e en ca ps u la ted PDU, a n d if th e h a lf-fra m e is th e la s t 17

on e in th e Pa gin g Ch a n n el s lot , a n d if th e las t 4 bits in th e h a lf-fra m e a re n ot a ll „0 ‟, 18

th e ba s e s ta t ion sh a ll s et th e SCI pa ra m eter a n d a ll of th e b its in th e followin g h a lf-19

fra m e to „0 ‟. 20

Un less t ra n s m iss ion of a PDU is to be ca n celed , th e ba s e s ta tion s h all n ot t ra n s m it 21

en ca ps u la ted PDU fra gm en t s from a n ew en ca ps u la ted PDU u n t il a ll fra gm en ts of th e 22

previou s en ca psu la ted PDU h a ve been t ra n s m it ted (i.e., in terlea vin g fra gm en t s from 23

d ifferen t PDUs is n ot perm it ted ). 24

3 .2 Dedicated Channel Operation 25

Th e ba s e s ta tion s h a ll m eet th e requ irem en ts s pecified in 3 .2 .1 for opera t ion on th e r -ds ch 26

a n d in 3 .2 .2 for opera t ion on th e f-dsch . 27

3 .2 .1 Recep t ion on r -ds ch 28

Th e ba s e s ta t ion sh a ll m eet th e requ irem en ts s ta ted in 3 .2 .1 .1 .2 .2 , 3 .2 .1 .2 .2 a n d 3 .2 .1 .3 .2 . 29

3 .2 .1 .1 ARQ Su b layer 30

3 .2 .1 .1 .1 Pa ra m eters 31

To s u pport th e ARQ m ech a n is m on th e dedica ted ch a n n els , th e ba s e s ta tion s h a ll in terp ret 32

th e ARQ fields defin ed in 2 .2 .1 .1 .1 .1 for PDUs received on th e r -dsch . 33

3 .2 .1 .1 .2 Procedu res 34


Th e ARQ Su b layer rem oves th e ARQ fields from PDUs received on th e r -ds ch a n d pa s s es 36


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Wh en a PDU is received , th e ARQ Su bla yer on th e receiver s ide p rovides a n in d ica t ion to 1

th e ARQ Su b layer on th e t ra n s m itter s ide (s ee 3 .2 .2 .1 .2 .1 ) of th e a ckn owledgm en t of a 2

previou s ly t ra n s m it ted PDU with th e MSG_SEQ field equ a l to th e ACK_SEQ field of th e 3

received PDU. 4

Th e ARQ Su bla yer perform s du plica te detect ion for received PDUs th a t requ ire 5

a ckn owledgm en t by u s in g th e MSG_SEQ field of th e received PDUs . Du plica tes of PDUs 6

requ ir in g a ckn owledgm en t a re a ckn owledged (s ee below) a n d th en d is ca rded . 7

Wh en a PDU is received with th e ACK_REQ field s et to „1 ‟, th e ARQ Su b la yer on th e receiver 8

s ide p rovides a n in d ica t ion to th e ARQ Su bla yer on th e t ra n s m it ter s ide requ es tin g th e 9

t ra n s m iss ion of a n a ckn owledgm en t . Th e MSG_SEQ field of th e received PDU a n d th e t im e 10

of recep tion a re a ls o p rovided to th e ARQ Su bla yer on th e t ra n s m it ter s ide (s ee 3 .2 .2 .1 .2 .1 ). 11

Th e ARQ Su bla yer for dedica ted ch a n n els ca n be res et loca lly via in dica tion s from La yer 3 12

or th e m a n agin g en t ity in th e con trol pla n e, or u pon th e recep tion of a Reset PDU (for m in i 13

PDUs on ly, s ee Ta b le 2 .2 .1 .2 .1 .2 -3 ). 14

Th e ARQ Su bla yer is res et s im u lta n eou s ly on th e receiver a n d th e t ra n s m it ter s ides . In 15

s u ch ca s es th e in form a t ion n eeded to perform du p lica te detect ion a n d th e pen din g requ es ts 16

for a ckn owledgm en t a re d is ca rded . 17


Th e ba s e s ta t ion sh a ll p roces s PDUs received on th e r -ds ch . 19

Wh en a PDU is received with th e ACK_REQ field set to „1 ‟, th e ba s e s ta t ion sh a ll recogn ize it 20

a s a requ es t for a ckn owledgm en t (s ee 3 .2 .2 .1 .2 .2 ). Th e ba s e s ta t ion s h all recogn ize th e 21

received PDU a s in clu d in g a n a ckn owledgm en t if th e received ACK_SEQ fields m a tch th e 22

MSG_SEQ field of a p reviou s ly t ra n s m it ted PDU (s ee 3 .2 .2 .1 .2 .2 ). Th e ba s e s ta t ion s h ou ld 23

ign ore received a ckn owledgm en ts for PDUs th a t were n ot sen t or a re n ot a wait in g 24


For du p lica te detect ion , th e ba s e s ta t ion s h all s tore a received s ta tu s in d ica tor for ea ch 26

poss ible va lu e of th e MSG_SEQ field (MSG_SEQ_RCVD[n ] for a ll valu es of n from 0 to 7 , for 27

regu la r PDUs , a n d M_MSG_SEQ_RCVD[n ] for a ll va lu es of n from 0 to 3 , for m in i PDUs). 28

Du plica te detect ion is perform ed in depen den tly for regu la r PDUs an d for m in i PDUs . 27 Th e 29

ba s e s ta t ion s h a ll perform th e followin g p rocedu res : 30

• Wh en a PDU requ irin g a ckn owledgm en t is r eceived con ta in in g th e m es s a ge 31

s equ en ce n u m ber field MSG_SEQ, a n d MSG_SEQ_RCVD[MSG_SEQ] (for regu la r 32

PDUs ) or M_MSG_SEQ_RCVD[MSG_SEQ] (for m in i PDUs ) is equ al to NO, th e ba s e 33

s ta t ion sh a ll p roces s th e PDU a s a n ew PDU. Th e ba s e s ta t ion sh a ll th en s et 34

MSG_SEQ_RCVD[MSG_SEQ] (for regu la r PDUs ) or M_MSG_SEQ_RCVD[MSG_SEQ] 35

(for m in i PDUs ) to YES, a n d sh a ll s et MSG_SEQ_RCVD[(MSG_SEQ + 4 ) m odu lo 8] 36

(for regu la r PDUs ) or M_MSG_SEQ_RCVD[(MSG_SEQ + 2 ) m odu lo 4 ] (for m in i PDUs ) 37

to NO. 38

27 A regu la r PDU a n d a m in i PDU ca n n ot be du p lica tes of on e a n oth er .

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• Wh en a PDU requ irin g a ckn owledgm en t is received con ta in in g th e m es s a ge 1

s equ en ce n u m ber field MSG_SEQ, a n d MSG_SEQ_RCVD[MSG_SEQ] (for regu la r 2

PDUs ) or M_MSG_SEQ_RCVD[MSG_SEQ] (for m in i PDUs ) is equ al to YES, th e ba s e 3

s ta t ion sh a ll a ckn owledge th e PDU a n d th en dis ca rd it . 4

Wh en p roces s in g a res et requ es t for both regu lar PDUs an d m in i PDUs , th e ba se s ta tion 5

s h a ll s et MSG_SEQ_RCVD[n ] to NO for a ll va lu es of n from 0 to 7 an d 6

M_MSG_SEQ_RCVD[n ] to NO for a ll va lu es of n from 0 to 3 . Wh en p roces s in g a reset 7

requ es t for m in i PDUs on ly, th e ba s e s ta tion s h all s et M_MSG_SEQ_RCVD[n ] to NO for a ll 8

va lu es of n from 0 to 3 . Fu rth er requ irem en ts for th e p roces s in g of a res et requ es t by th e 9

ba s e s ta t ion a re given in 3 .2 .2 .1 .2 .2 . 10


3 .2 .1 .2 .1 Pa ra m eters 12

Th e ba se s ta tion sh a ll in ter p ret th e MSG_TYPE field of a PDU received on th e r -dsch a s 13

defin ed in 2 .2 .1 .2 .1 .1 . 14

3 .2 .1 .2 .2 Procedu res 15

Th e ba s e s ta tion s h ou ld iden tify th e SDU ca rried by th e received PDU ba s ed u pon th e 16

MSG_TYPE field a s s h own in Ta ble 2 .2 .1 .2 .1 .2 -1 for regu la r PDUs an d Ta ble 2 .2 .1 .2 .1 .2 -2 17

a n d 2 .2 .1 .2 .1 .2 -3 for m in i PDUs . 18

If th e ba s e s ta t ion receives a va lid PDU, th e LAC Su bla yer s h a ll m a ke th e SDU in clu ded in 19

th e PDU a va ila b le to La yer 3 , togeth er with th e En cryp t ion field a n d th e Exten ded -20

En cryp tion fields , if a n y (s ee 3 .1 .2 .3 .1 .3 .1 ). 21


3 .2 .1 .3 .1 Pa ra m eters 23

Th e ba s e s ta t ion s h a ll u s e th e pa ra m eters defin ed in 2 .2 .1 .3 .1 .1 for PDUs received on th e 24

r-ds ch . 25

3 .2 .1 .3 .2 Procedu res 26

Th e ba s e s ta t ion sh a ll rea s s em ble PDUs from en ca ps u la ted PDU fra gm en ts received on th e 27

r-ds ch 28 (s ee 2 .2 .2 .3 .2 ). 28

3 .2 .2 Tra n s m is s ion on f-ds ch 29

Th e ba s e s ta t ion sh a ll m eet th e requ irem en ts s ta ted in 3 .2 .2 .1 .1 .2 , 3 .2 .2 .2 .2 a n d 3 .2 .2 .3 .2 . 30

28 Wh en receivin g on th e r -d sch , th e b as e s ta tion reas sem b les PDUs in th e s am e m a n n er th a t th e

m ob ile s ta tion d oes wh en it is receivin g on th e f-d sch .

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3 .2 .2 .1 .1 Pa ra m eters 2

To su pport th e ARQ m ech a n is m on th e f-ds ch an d r -ds ch , th e ba s e s ta t ion sh a ll u se th e 3

ARQ fields defin ed in 3 .2 .2 .1 .1 .1 for PDUs t ra n s m it ted on th e f-dsch . Th e ba se s ta tion 4

s h a ll s et th e ARQ fields a ccord in g to th e requ irem en ts in 3 .2 .2 .1 .1 .2 . 5


Th e ARQ fields for PDUs t ra n s m it ted on th e f-ds ch h a ve th e followin g form a t : 7

8


ACK_SEQ 2 or 3

MSG_SEQ 2 or 3

ACK_REQ 1

9

ACK_SEQ – Ackn owledgm en t sequ en ce n u m ber. 10

Th is field con ta in s th e va lu e of th e MSG_SEQ field of a regu la r 11

PDU (3 b its ) or a m in i PDU (2 b its ) received on th e r -ds ch a n d 12

bein g a ckn owledged on th e f-dsch . 13

MSG_SEQ – Mess a ge sequ en ce n u m ber. 14

Th is field con ta in s th e m es s a ge s equ en ce n u m ber for th e 15

regu la r PDU (3 b its ) or th e m in i PDU (2 b its ) to be s en t on th e 16

f-ds ch . 17

ACK_REQ – Ackn owledgm en t requ ired in d ica tor . 18

Th is field in dica tes wh eth er th e PDU bein g s en t on th e f-dsch 19

requ ires a n a ckn owledgm en t from th e m obile s ta tion . 20


Th e ba s e s ta t ion sh a ll s et th e ACK_REQ field of a PDU tra n s m it ted on th e f-dsch to: 22

• „1 ‟ to requ es t a n a ckn owledgm en t from th e m obile s ta t ion , or 23

• „0 ‟ to in dica te to th e m obile s ta tion th a t a n a ckn owledgm en t is n ot requ es ted . 24

Th e ba s e s ta t ion sh a ll s et th e MSG_SEQ field of a PDU tra n s m it ted on th e f-ds ch a ccord in g 25

to th e followin g p rocedu res : 26

• For PDUs requ ir in g a ckn owledgm en t , th e ba se s ta t ion s h all u s e th e m es s age 27

s equ en ce n u m ber va ria b les MSG_SEQ_ACK for regu la r PDUs a n d s h all u s e 28

M_MSG_SEQ_ACK for m in i PDUs . Wh en th e ba se s ta t ion p repa res a n ew P DU 29

requ ir in g a ckn owledgm en t , th e ba s e s ta tion s h all s et th e MSG_SEQ field of th e PDU 30

to MSG_SEQ_ACK for regu la r PDUs or to M_MSG_SEQ_ACK for m in i PDUs . In 31

s u bs equ en t ret ra n s m iss ion s of th e PDU, th e ba s e s ta t ion sh a ll s et th e MSG_SEQ 32

field to th e s a m e valu e u sed for th e in it ia l t ra n s m is s ion of th a t PDU. 33

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• For PDUs n ot requ ir in g a ckn owledgm en t , th e ba se s ta t ion sh a ll u se th e m ess a ge 1

s equ en ce n u m ber va ria b les MSG_SEQ_NOACK for regu la r PDUs a n d sh a ll u s e 2

M_MSG_SEQ_NOACK for m in i PDUs . Wh en th e ba s e s ta t ion p r epa res a n ew PDU 3

n ot requ ir in g a ckn owledgm en t for t ra n s m is s ion on th e f-dsch , th e ba s e s ta tion s h all 4

s et th e MSG_SEQ field of th e PDU to MSG_SEQ_NOACK for regu la r PDUs or to 5

M_MSG_SEQ_NOACK for m in i PDUs . 6

Th e ba se s ta tion s h all s et th e ACK_SEQ field of regu la r PDUs a n d m in i PDUs t ra n s m it ted 7

on th e f-ds ch to th e MSG_SEQ field of a regu la r PDU or m in i PDU, res pect ively, p reviou s ly 8

received on th e r -dsch an d bein g a ckn owledged . If n o PDU requ irin g a ckn owledgm en t h a s 9

been received s in ce f-dsch was a cqu ired , th e ba se s ta t ion sh a ll s et a ll b its of th e ACK_SEQ 10

field to „1 ‟. 11

3 .2 .2 .1 .2 Procedu res 12


Both PDUs requ ir in g a ckn owledgm en t a n d PDUs n ot requ ir in g a ckn owledgm en t a re s en t on 14

th e f-ds ch . Th e ord er of delivery of eith er type of PDU is n ot gu a ra n teed . Th e p rocedu re for 15

PDUs requ irin g a ckn owledgm en t is a s elective repea t s ch em e in wh ich a PDU is 16

ret ra n s m it ted on ly if a n a ckn owledgm en t for it is n ot received . PDUs n ot requ irin g 17

a ckn owledgm en t m a y b e t ra n s m it ted s evera l t im es . 18

After t ra n s m it tin g a PDU requ irin g a ckn owledgm en t , th e ARQ Su b layer on th e t ra n s m it ter 19

s ide s tores th e PDU. Th e ARQ Su b la yer m a y ret ra n s m it th e PDU if n o a ckn owledgm en t for 20

it wa s received . If th e ARQ Su b layer on th e t ra n sm it ter s ide receives a n in d ica tion from th e 21

ARQ Su bla yer on th e receiver s ide th a t a n a ckn owledgm en t for th e t ra n s m it ted PDU wa s 22

received on th e r -ds ch , th e ARQ Su b layer on th e t ra n s m it ter s ide d isca rds th e copy of th e 23

t ra n s m it ted PDU; oth erwis e, th e ARQ Su b layer ret ra n s m its th e s tored PDU. Th e p rocedu re 24

is repea ted u n t il ea ch PDU requ irin g a ckn owledgm en t is eith er a ckn owledged or is 25

t ra n s m it ted a fixed n u m ber of t im es (im plem en ta tion -specific). 26

If th e ARQ Su b la yer on th e t ra n s m it ter s ide receives a n in dica tion from th e ARQ Su bla yer 27

on th e receiver s ide th a t a PDU requ irin g a ckn owledgm en t m u st be a ckn owledged , th e ARQ 28

Su bla yer on th e t ra n s m it ter s ide s en ds a n a ckn owledgm en t with in T1m s econ ds for regu la r 29

PDUs or with in T7 5m secon ds for m in i PDUs . 30

Wh en th e ARQ Su b la yer opera t in g on th e f-dsch receives a revers e dedicated ch an n el 31

acqu ired in dica t ion from La yer 3 (s ee 3 .6 .4 .2 of [5 ]) in d ica t in g th a t th e dedica ted s ign alin g 32

ch a n n els were p roperly es ta b lish ed an d fu rth er s ign a lin g ca n p roceed , th e ARQ Su bla yer 33

gen era tes a n a ckn owledgm en t PDU29 a n d s en ds it to th e m obile s ta tion on th e f-ds ch . 34

Th e ARQ Su bla yer m a y receive a res et in d ica tion from th e con trollin g m a n a gem en t fu n ct ion , 35

from La yer 3 , or from th e ARQ Su b la yer on th e receiver s ide u pon th e recept ion of a Reset 36

PDU by th e LAC Su b la yer (for m in i PDUs on ly, s ee Ta b le 2 .2 .1 .2 .1 .2 -3 ). Th e ARQ Su b la yer 37


Order.

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is reset s im u lta n eou s ly on th e t ra n s m it ter a n d th e receiver s ides . In s u ch cas es th e 1

m es s a ge s equ en ce n u m ber va ria b les for PDUs both requ ir in g a n d n ot requ irin g 2

a ckn owledgm en ts a re s et to „0 ‟, th e a ckn owledgm en t t im ers a re res et a n d th e repetit ion 3

cou n ters for a ll PDUs a re s et to „0 ‟. S in ce th e reset dis pos it ion resu lts in pen din g 4

a ckn owledgm en ts bein g dis ca rded , a ll b its of th e ACK_SEQ field a re s et to „1 ‟ for PDUs sen t 5

im m edia tely a fter a res et opera t ion . 6


Wh en a ss em blin g PDUs for t ra n s m iss ion , th e ba s e s ta tion s h all set th e ARQ fields a s 8

s pecified in 3 .2 .2 .1 .1 .2 . 9

Th e ba se s ta tion sh a ll s tore th e m es s age s equ en ce n u m ber va ria b les MSG_SEQ_ACK for 10

regu la r PDUs a n d M_MSG_SEQ_ACK for m in i PDUs . After s en d in g a PDU requ irin g 11

a ckn owledgm en t , th e ba se s ta t ion s h all in crem en t MSG_SEQ_ACK m odu lo 8 for regu la r 12

PDUs or s h a ll in crem en t M_MSG_SEQ_ACK m odu lo 4 for regu la r PDUs . For PDUs n ot 13

requ ir in g a ckn owledgm en t , th e ba se s ta t ion sh a ll s tore d ifferen t m ess a ge sequ en ce n u m ber 14

va ria b les MSG_SEQ_NOACK for regu la r PDUs an d M_MSG_SEQ_NOACK for m in i PDUs . 15

After s en din g a PDU n ot requ irin g a ckn owledgm en t , th e ba s e s ta tion s h all in crem en t 16

MSG_SEQ_NOACK m odu lo 8 for regu la r PDUs or s h all in crem en t M_MSG_SEQ_NOACK 17

m odu lo 4 for m in i PDUs . 18

Th e ba se s ta t ion m a y t ra n s m it u p to fou r regu la r PDUs before receivin g a n in dica t ion th a t 19

on e of th e t ra n s m it ted regu la r PDUs wa s a ckn owledged . Th e ba s e s ta t ion m a y t ra n s m it u p 20

to two m in i PDUs before receivin g a n in d ica tion th a t on e of th e t ra n s m it ted m in i PDUs wa s 21

a ckn owledged . If a t ra n s m it ted (regu la r or m in i) PDU of a given type requ ir in g 22

a ckn owledgm en t a n d h a vin g th e MSG_SEQ field equ a l to (MSG_SEQ_ACK + 4 ) m odu lo 8 for 23

regu la r PDUs or equ a l to (M_MSG_SEQ_ACK + 2 ) m odu lo 4 for m in i PDUs is a wa itin g 24

a ckn owledgm en t , th e ba se s ta t ion s h all n ot s en d a n ew PDU of th e s a m e type requ ir in g 25

a ckn owledgm en t u n til it receives a n in d ica tion th a t th e t ra n s m it ted PDU wa s a ckn owledged. 26

If th e ba s e s ta t ion t ra n s m its th e s a m e PDU n ot requ irin g a ckn owledgm en t m ore th an on ce, 27

it sh a ll u s e th e s a m e MSG_SEQ n u m ber for a ll t ra n s m is s ion s . Th e bas e s ta t ion s h all 28

com plete a ll ret ra n s m is s ion s of th e s a m e PDU with in T3 m s econ ds for regu la r PDUs or 29

with in T77 m s econ ds for m in i PDUs a fter th e fir s t t ra n s m is s ion (s ee Figu re 3 .2 .2 .1 .2 .2 -1 ; 30

on ly T3 m is s h own ). Th e ba s e s ta tion s h a ll wa it a t lea s t T3m s econ ds for regu la r PDUs or 31

T77 m s econ ds for m in i PDUs a fter th e la s t t ra n s m iss ion of a PDU n ot requ ir in g 32

a ckn owledgm en t before t ra n s m itt in g an oth er PDU of th e s a m e type n ot requ ir in g 33

a ckn owledgm en t th a t h a s th e s a m e MSG_SEQ n u m ber 30 (s ee Figu re 3 .2 .2 .1 .2 .2 -1 ; on ly 34

T3m is sh own ). 35

36

30Th is is n eces sa ry b eca u s e it is p oss ib le th a t th e m ob ile s ta tion receives on ly th e la s t tra n sm iss ion .

YD/ T 1838 .3 -2008

3 -74

f-dsch

T3m

T3m expires

The base station does nottransmit a PDU with

MSG_SEQ number k thatends in this interval

Last transmission ofa PDU with

MSG_SEQ number k

T3m is initialized

First transmission ofa PDU with

MSG_SEQ number k

May not exceed T3m

1

2

Figu re 3 .2 .2 .1 .2 .2 -1 . Time Requ irement for the Bas e Station Not to Reus e a MSG_SEQ 3

Nu mber 4

5

Th e ba s e s ta tion s h all n ot ret ra n s m it PDUs requ ir in g a ckn owledgm en t s for wh ich it h a s 6

received a n a ckn owledgm en t in d ica tion (s ee 3 .1 .1 .2 .2 .2 ). If th e ba s e s ta t ion h a s n ot 7

received a n a ckn owledgm en t in d ica t ion a fter t ra n s m it tin g a PDU requ irin g a ckn owledgm en t , 8

th e ba se s ta tion s h all ret ra n s m it th e PDU. If th e ba s e s ta t ion ret ra n s m its a PDU, th e ba s e 9

s ta t ion s h a ll u s e th e s a m e MSG_SEQ n u m ber for th e ret ra n s m is s ion . Th e ba s e s ta tion 10

s h a ll ret ra n s m it a PDU on ly a n im plem en ter -defin ed m a xim u m n u m ber of t im es ; if th e 11

m a xim u m n u m ber of ret ra n s m is s ion s is to be exceeded , th e ba s e s ta t ion s h a ll decla re a n 12

a ckn owledgm en t fa ilu re. 13

If th e ba s e s ta t ion receives a n in dica tion th a t th e t ra n s m iss ion of a n a ckn owledgm en t for a 14

received PDU is requ es ted (see 3 .1 .2 .2 .2 ), th e bas e s ta tion sh a ll t ra n s m it a PDU in clu d in g 15

a n a ckn owledgm en t with in T1m s econ ds for regu la r PDUs or with in T75m s econ ds for m in i 16

PDUs , a s follows : 17

• Th e ba s e s ta t ion sh a ll a ckn owledge a regu la r PDU requ irin g a ckn owledgm en t by 18

t ra n s m it tin g a regu la r PDU. Th e ba s e s ta t ion sh all a ckn owledge a m in i PDU 19

requ ir in g a ckn owled gm en t by t ra n s m it tin g a m in i PDU. 20

• If th e ba s e s ta t ion n eeds to a ckn owledge a regu la r PDU, a n d eith er h a s or receives 21

a n in dica tion th a t n o regu la r SDUs a re to be t ra n s m it ted with in T1m secon ds , th e 22

ba s e s ta t ion s h a ll gen era te a n d t ra n s m it a regu la r PDU c a rryin g a n SDU wh ich h a s 23

th e followin g form a t (to be sen t a s a n Order Mes sage):31 24

25


Order.

YD/ T 1838 .3 -2008

3 -75


USE_TIME = „0 ‟ 1

ACTION_TIME = „000000‟ 6

ORDER = „010000‟ 6


1

Th e ba s e s ta t ion sh a ll s et th e ACK_REQ field in th e gen era ted PDU to „0 ‟, a n d s h a ll 2

s et th e ACK_SEQ field in th e gen era ted PDU a s s pecified in 3 .2 .2 .1 .1 .2 . 3

• If th e ba s e s ta t ion n eeds to a ckn owledge a m in i PDU, a n d eith er h a s or receives a n 4

in dica tion th a t n o m in i SDUs a re to be t ra n s m it ted with in T75m s econ ds , th e ba se 5

s ta t ion sh a ll gen era te a n d t ra n s m it a m in i PDU ca rryin g a n SDU wh ich h a s th e 6

followin g form a t (to be s en t a s a n Ack n owledgm en t PDU): 7

8


RESERVED = „0000000000000‟ 13

9

Th e ba s e s ta t ion sh a ll s et th e ACK_SEQ field in th e gen era ted PDU a s s pecified in 10

3 .2 .2 .1 .1 .2 . 11

• Oth erwis e, th e ba se s ta t ion s h a ll eith er gen era te a n d t ra n s m it a PDU with fields 12

defin ed a s des cribed a bove, or it sh a ll u se a PDU ca rryin g a n Upper La yer SDU a s 13

th e PDU to be t ra n s m itted a n d sh a ll s et th e ACK_SEQ field a s s pecified in 14

3 .2 .2 .1 .1 .2 . 15

If th e ba s e s ta tion receives a reverse dedicated ch an n el acqu ired in dica tion from La yer 3 , 16

th e ba s e s ta tion s h all im m edia tely gen era te a PDU ca rryin g a n SDU wh ich h a s th e followin g 17

form a t (to be s en t a s a n Order Mes s age):32 18

19


Order.

YD/ T 1838 .3 -2008

3 -76


USE_TIME = „0 ‟ 1

ACTION_TIME = „000000‟ 6

ORDER = „010000‟ 6


1

Th e ba s e s ta t ion sh ou ld s et th e ACK_REQ field to „1 ‟, s h ou ld s et th e ACK_SEQ field in th e 2

gen era ted PDU a s s pecified in 3 .2 .2 .1 .1 .2 , a n d s h a ll im m edia tely t ra n s m it th e PDU. 3

Wh en sen din g m in i PDUs , th e ba se s ta t ion m a y sen d a n order to reset th e ARQ pa ra m eters 4

on th e m obile s ta tion s ide via a PDU ca rryin g an SDU wh ich h a s th e followin g form a t (to be 5

s en t a s a Res et PDU): 6

7


RESERVED = „0000000000000‟ 13

8

If th e ba s e s ta tion receives a reset in dica tion for both regu la r a n d m in i PDUs , th e ba s e 9

s ta t ion sh a ll: 10

• Res et it s ret ra n s m is s ion cou n t for ea ch PDU a wait in g a ckn owledgm en t . 11

• Set MSG_SEQ_ACK, M_MSG_SEQ_ACK, MSG_SEQ_NOACK a n d 12

M_MSG_SEQ_NOACK to ‟0 ‟. 13

• Dis ca rd ea ch pen din g requ es t for a ckn owledgm en t for PDUs received on th e r -ds ch . 14

If th e ba s e s ta t ion perform s a res et for m in i PDUs on ly, th e ba se s ta t ion sh a ll: 15

• Res et it s ret ra n s m is s ion cou n t for ea ch m in i PDU a wa it in g a ckn owledgm en t . 16

• Set M_MSG_SEQ_ACK a n d M_MSG_SEQ_NOACK to ‟0 ‟. 17

• Dis ca rd ea ch pen din g requ es t for a ckn owledgm en t for m in i PDUs received on th e 18

r-ds ch . 19

After com pletin g th e res et for th e s pecified type of PDUs , th e ba se s ta t ion s h ou ld resu m e 20

n orm a l opera t ion , s ta rt in g with th e t ra n s m is s ion of th e PDUs of th e s pecified type th a t were 21

a wa it in g a ckn owledgm en t a t th e t im e th e reset d is pos it ion wa s received . Add it ion al 22

requ irem en ts for th e p rocess in g of a res et requ es t by th e ba s e s ta tion a re given in 23

3 .1 .1 .2 .2 .2 . 24

YD/ T 1838 .3 -2008

3 -77


3 .2 .2 .2 .1 Pa ra m eters 2

Th e ba s e s ta t ion s h all u se th e fields defin ed in 3 .2 .2 .2 .1 .1 for PDUs t ra n s m it ted on th e 3

f-ds ch , a n d sh a ll s et th es e fields a ccordin g to th e requ irem en ts in 3 .2 .2 .2 .1 .2 . 4

3 .2 .2 .2 .1 .1 Defin ition of Utility Su b la yer Fields 5

Th e m ess a ge type field for PDUs t ra n s m it ted on th e f-ds ch h a s th e followin g form a t : 6

7


MSG_TYPE 3 , 6 or 8

8

MSG_TYPE – Mess a ge type in dica tor . 9

Th is field con ta in s th e m es s a ge type in dica tor for regu la r 10

PDUs (8 b its ) or m in i PDUs (3 or 6 b its ) to be s en t on th e 11

f-ds ch . 12

13

A regu la r PDU tra n s m it ted on th e f-ds ch in clu des th e En cryp tion field an d m a y also 14

in clu de th e Exten ded-En cryp t ion fields , ba s ed u pon P_REV_IN_USE a n d th e cu rren t 15

en cryp t ion m ode. 16

Th e En cryp tion field for regu la r PDUs t ra n s m it ted on th e f-ds ch h a s th e followin g form a t : 17

18


ENCRYPTION 2

19

ENCRYPTION – Mess a ge en cryp t ion in dica tor . 20

21

Th e Exten ded -En cryp tion fields for regu la r PDUs t ra n s m it ted on th e f-ds ch h ave th e 22


24



ENC_SEQ 0 or 8

25


PDU. 27

YD/ T 1838 .3 -2008

3 -78

ENC_SEQ – Th e eigh t lea s t s ign ifica n t b its of th e en cryp tion sequ en ce 1

n u m ber u s ed to con s tru ct a cryp togra ph ic s yn ch ron iza t ion 2

cryp to-syn c (s ee [5]) for th e en cryp t ion a lgorith m . 3

4

Th e PDU pa ddin g field for PDUs t ra n s m it ted on th e f-ds ch h a s th e followin g form a t : 5

6


PDU_PADDING 0 - 7

7


9

3 .2 .2 .2 .1 .2 Requ irem en ts for Set tin g Utility Su blayer Fields 10

Th e ba s e s ta t ion s h all s et th e MSG_TYPE field of regu la r PDUs t ra n s m itted on th e f-ds ch a s 11

s h own in Ta ble 3 .2 .2 .2 .1 .2 -1 . 12

13

YD/ T 1838 .3 -2008

3 -79

Table 3 .2 .2 .2 .1 .2 -1 . MSG_TYPE Valu es for Regular PDUs on f-ds ch (Part 1 of 2 ) 1


(binary)

Order Mes s age ORDRM 00000001

Au th en ticat ion Ch allen ge Mess age AUCM 00000010

Alert With In form ation Mes s age AWIM 00000011


An alog Han doff Direct ion Mes s age AHDM 00000110

In -Traffic S ys tem Param eters

Mess age

ITSPM 00000111

Neigh bor Lis t Update Mes s age NLUM 00001000

S en d B u rs t DTMF Mes s age BDTMFM 00001001

Power Con trol Param eters Mess age PCNPM 00001010

Retrieve Param eters Mes s age RTPM 00001011

S et Param eters Mes s age STPM 00001100

S S D Update Mes s age SSDUM 00001101

Flash With In form ation Mes s age FWIM 00001110

Mobile S tation Regis tered Mes s age MSRM 00001111

S tatu s Requ es t Mes s age STRQM 00010000

Ex ten ded Han doff Direct ion Mess age EHDM 00010001

S ervice Requ es t Mess age SRQM 00010010

S ervice Respon s e Mess age SRPM 00010011

S ervice Con n ect Mess age SCM 00010100

S ervice Opt ion Con trol Mess age SOCM 00010101

TMS I As s ign m en t Mes s age TASM 00010110

S ervice Redirection Mes s age SRDM 00010111

S u pp lem en tal Ch an n el Ass ign m en t

Mess age

SCAM 00011000

Power Con trol Mess age PCNM 00011001

Ex ten ded Neigh bor Lis t Update

Mess age

ENLUM 00011010

Can didate Frequ en cy S earch Requ es t

Mess age

CFSRQM 00011011

Can didate Frequ en cy S earch Con trol

Mess age

CFSCNM 00011100

YD/ T 1838 .3 -2008

3 -80

Table 3 .2 .2 .2 .1 .2 -1 . MSG_TYPE Valu es for Regular PDUs on f-ds ch (Part 2 of 2 ) 1


(binary)

Power Up Fu n ction Mes s age PUFM 00011101

Power Up Fu n ction Com plet ion

Mess age

PUFCM 00011110

Gen eral Han doff Direction Mes s age GHDM 00011111

Res ou rce Allocat ion Mess age RAM 00100000

Ex ten ded Release Mes s age ERM 00100001

Un ivers al Han doff Direct ion Mess age UHDM 00100010

Ex ten ded S u pp lem en tal Ch an n el

As s ign m en t Mes s age

ESCAM 00100011

Mobile As s is ted Bu rs t Operat ion

Param eters Mess age

MABOPM 00100100

Us er Zon e Reject Mes s age UZRM 00100101

Us er Zon e Update Mes s age UZUM 00100110

Call As s ign m en t Mess age CLAM 00100111

Ex ten ded Alert With In form ation

Mess age

EAWIM 00101000

DS -41 In ter-s ys tem Tran s fer Mes s age

(DS-41 on ly, s ee [13])

D41ISTM 00101001

Ex ten ded Flash With In form ation

Mess age

EFWIM 00101010

S ecu rity Mode Com m an d Mes s age SMCM 00101011

MC-MAP L3 Mes s age


MAPL3M 00101100

MC-MAP In ter-S ys tem Han dover

Com m an d Mes s age


MAPISHCM 00101101

MC-MAP Ded icated Mode Pagin g

Mess age


MAPDMPM 00101110

R-TMS I Ass ign m en t Mes s age


RTASM 00101111

MC-MAP Flow Release Mes s age


MAPFRM 00110000

B as e S tation S tatu s Respon s e

Mess age

BSSRSPM 00110001

YD/ T 1838 .3 -2008

3 -81

PTT Sys tem Pa ra m eter Mess a ge PTTSPM 110101

Broa dca s t Pa ge a n d Ch an n el

As s ign m en t Mes s a ge

BPCAM 110110

1

Th e ba s e s ta t ion sh a ll s et th e MSG_TYPE field of m in i PDUs a s s h own in Ta b les 2

3 .2 .2 .2 .1 .2 -2 a n d 3 .2 .2 .2 .1 .2 -3 . 3

4

Table 3 .2 .2 .2 .1 .2 -2 . MSG_TYPE Valu es (3 bits ) for Mini PDUs on f-ds ch 5


(binary)

Res ou rce Allocat ion Min i Mess age RAMM 000

Ex ten ded Release Min i Mes s age ERMM 001

Forward S u pplem en tal Ch an n el

As s ign m en t Min i Mes s age

FSCAMM 010

Revers e S u pp lem en tal Ch an n el

As s ign m en t Min i Mes s age

RSCAMM 011

6

Table 3 .2 .2 .2 .1 .2 -3 . MSG_TYPE Valu es (6 bits ) for Mini PDUs on f-ds ch 7


(binary)

Ack n owledgm en t PDU ACK 111000

Res et PDU RESET 111001

8

Th e ba s e s ta t ion s h a ll s et th e ENCRYPTION field of regu la r PDUs s en t on th e f-ds ch to th e 9

cu rren t en cryp tion m ode (s ee [5]). Th e ba s e s ta t ion s h all n ot ch an ge th e va lu e of th is field 10

a n d th e en crypt ion s ta te of th e SDU ca rried by th e PDU if th e PDU is ret ra n s m it ted . 11

If P_REV_IN_USE is grea ter th a n or equ a l to s even a n d th e ENCRYPTION field is s et to „11‟, 12

th e m obile s ta t ion s h all in clu de th e Exten ded -En cryp tion fields ; oth erwise, th es e fields 13

s h a ll be om it ted . 14

If th e Exten ded-En cryp t ion fields a re in clu ded , th e ba s e s ta t ion s h a ll s et th em a s follows : 15

• Th e ba s e s ta t ion sh a ll s et th e SDU_ENCRYPT_MODE field to th e s ign alin g 16

en cryp t ion m ode th a t is u s ed for th e SDU ca rried by th is PDU a n d is p rovided by 17

La yer 3 . 18

• If th e SDU_ENCRYPT_MODE field is set to „001‟, th e ba s e s ta tion sh a ll in clu de th e 19

ENC_SEQ field a n d s h all set it to th e valu e p rovided by La yer 3 ; oth erwis e, th e ba se 20

s ta t ion sh a ll om it th e ENC_SEQ field . 21

YD/ T 1838 .3 -2008

3 -82

Th e ba se s ta tion s h a ll n ot ch an ge th e va lu e of th e Exten ded -En cryp tion fields a n d th e 1


Th e ba s e s ta tion s h a ll s et th e PDU_PADDING field to con ta in th e m in im u m n u m ber of b its 3

n eeded to m a ke th e len gth of th e PDU, in b its , a n in tegra l m u ltip le of eigh t . Th e ba se 4


3 .2 .2 .2 .2 Procedu res 6

Th e ba s e s ta tion sh a ll set th e pa ra m eters defin ed in 3 .2 .2 .2 .1 .1 a ccord in g to th e 7

requ irem en ts s pecified in 3 .2 .2 .2 .1 .2 . 8

Th e ba se s ta tion s h all u se th e followin g form a t to a s s em ble regu la r PDUs for t ra n s m is s ion 9

on th e f-ds ch : 10

11

Field Reference

MSG_TYPE Section 3 .2 .2 .2 .1 .1


ENCRYPTION Section 3 .2 .2 .2 .1 .1


Fields

Section 3 .2 .2 .2 .1 .1

SDU [5 ]

PDU_PADDING Section 3 .2 .2 .2 .1 .1

12

Th e ba se s ta t ion s h all u s e th e followin g form a t to a s s em ble m in i PDUs for t ra n s m is s ion on 13

th e f-dsch : 14

15

Field Reference


MSG_TYPE Section 3 .2 .2 .2 .1

SDU [5 ]

PDU_PADDING Section 3 .2 .2 .2 .1 .1

16

Th e ba s e s ta t ion s h all n ot a s s em ble a n d t ra n s m it regu la r PDUs la rger th a n 2016 b its . Th e 17

ba s e s ta t ion s h a ll n ot a s s em ble a n d t ra n s m it m in i PDUs la rger th an 24 b its . 18

YD/ T 1838 .3 -2008

3 -83


3 .2 .2 .3 .1 Pa ra m eters 2

3 .2 .2 .3 .1 .1 Defin ition of SAR pa ra m eters 3

Th e SAR pa ra m eters for regu la r PDUs t ra n s m it ted on th e f-ds ch h a ve th e s a m e form a t a s 4

th os e for regu la r PDUs t ra n s m it ted on th e r -ds ch (s ee 2 .2 .1 .3 .1 .1 ). 5

Th ere a re n o SAR pa ra m eters defin ed for m in i PDUs . 6


For regu la r PDUs s en t on th e f-dsch , th e ba se s ta t ion sh a ll set th e SAR pa ra m eters a s 8

s pecified in 2 .2 .1 .3 .1 .2 .33 9

3 .2 .2 .3 .2 Procedu res 10

Th e ba s e s ta tion s h all a s sem ble a n d sh a ll t ra n s m it en ca psu la ted PDUs a s s pecified in 11

2 .2 .1 .3 .2 .34 12

13

33 Wh en tra n sm ittin g on th e f-d sch , th e b as e s ta tion sets th e SAR pa ram eters in th e s am e m an n er

th a t th e m ob ile s ta tion d oes wh en tran sm ittin g on th e r -d sch .

34 Wh en tra n sm ittin g on th e f-d sch , th e ba se s ta tion a ss em b les PDUs in th e s am e m a n n er th a t th e

m ob ile s ta tion d oes wh en tra n s m ittin g on th e r -ds ch .

YD/ T 1838 .3 -2008

3 -84

No text .1

YD/ T 1838 .3 -2008

A-1

ANNEX A TIMERS AND CONSTANTS 1

An n ex A is a n orm a t ive an n ex wh ich con ta in s ta b les th a t give s pecific va lu es for th e 2

con s ta n t iden t ifiers . Th es e iden tifiers ta ke th e form s s u ch a s T7 5m a n d N15 m . Th e 3

s u bs crip ted n u m bers va ry to iden tify th e pa rt icu la r con s tan t . Typ ica lly th e su bs crip ted 4

let ter “m ” refers to th e m obile s ta tion a n d th e s u bs crip ted let ter “b” refers to th e ba s e 5

s ta t ion . Th e followin g ta b les p rovide valu es for iden tifiers given in th e text : 6

Ta ble A-1 . Tim e Lim its 7

Ta ble A-2 . Oth er Con s ta n ts 8

9

Table A-1 . Time Limits 10

Time

Limit Description Valu e References

T1m Ma xim u m t im e th e m obile s ta tion wa its for a n

a ckn owledgm en t of a regu la r PDU.

Ma xim u m t im e th e m obile s ta tion wa its for a n

a ckn owledgm en t of a m in i PDU a fter th e firs t N1 4m

t ra n s m iss ion s or ret ra n s m iss ion s of th e m in i PDU.

0 .4 s 2 .2 .1 .1 .2

3 .2 .2 .1 .2

T2m Ma xim u m t im e a llowed for th e m obile s ta t ion to

s en d a n a ckn owledgm en t of a regu la r PDU.

0 .2 s 2 .2 .1 .1 .2

T3m Period in wh ich two regu la r PDUs received by th e

m obile s ta tion on th e f-ds ch , n ot requ ir in g a n

a ckn owledgm en t a n d ca rryin g th e s a m e sequ en ce

n u m bers , a re con s idered du plica tes

0 .32 s 2 .2 .2 .1 .2 .2

3 .2 .2 .1 .2 .2

T4m Period in wh ich two PDUs received by th e m obile

s ta t ion on th e s a m e ph ys ica l ch a n n el

corres pon d in g to th e f-cs ch , n ot requ ir in g a n



2 .2 s 2 .1 .2 .1 .2 .2

3 .1 .2 .1 .2 .1

3 .1 .2 .1 .2 .2

T75 m Ma xim u m t im e th e m obile s ta tion wa its for a n

a ckn owledgm en t of a m in i PDU for th e firs t N14 m

t ra n s m iss ion s or ret ra n s m iss ion s of th e m in i PDU.

0 .12 s 2 .2 .1 .1 .2

3 .2 .2 .1 .2

T76 m Ma xim u m t im e a llowed for th e m obile s ta t ion to

s en d a n a ckn owledgm en t of a m in i PDU.

0 .06 s 2 .2 .1 .1 .2

T77 m Period in wh ich two m in i PDUs received by th e

m obile s ta tion on th e f-ds ch , n ot requ ir in g a n



0 .02 s 2 .2 .2 .1 .2 .2

3 .2 .2 .1 .2 .2

11

YD/ T 1838 .3 -2008

A-2

Table A-2 . Other Cons tants 1

Con-

s tant Description Valu e References

N1m Ma xim u m n u m ber of t im es th a t a m obile s ta tion

t ra n s m its or ret ra n s m its a regu la r PDU requ irin g

a ckn owledgm en t on th e r -ds ch .

13 2 .2 .1 .1 .2

2 .2 .1 .1 .3

N14 m Ma xim u m n u m ber of t im es th a t a m obile s ta tion

t ra n s m its or ret ra n s m its a m in i PDU requ irin g

a ckn owledgm en t on th e r -ds ch with

retran s m iss ion _t im er s et to T7 5m .

6 2 .2 .1 .1 .2

2 .2 .1 .1 .3

N15 m Ma xim u m n u m ber of t im es th a t a m obile s ta tion

t ra n s m its or ret ra n s m its a m in i PDU requ irin g

a ckn owledgm en t on th e r -ds ch .

17 2 .2 .1 .1 .2

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3GPP2 C - 中国通信标准化协会 Requirements of Link... · 20 OLC OverLoad Class ... 27 R-CCCH Reverse Common Control Channel 28 R-DCCH Reverse Dedicated Control Channel 29