UE
UELTE
1 Cell Search Procedure
PSS/SSSUEPSS/SSS
12timing3PCIPhysical-layer Cell Identity
UEmobilityUEhandoverUERRC_CONNECTEDcell
re-selectionUERRC_IDLE
LTE504PCI36.211
cell
ID
N
0 ~ 503PCIPCI16836.211
)
1
(
ID
N
0 ~ 1673ID36.211
)
2
(
ID
N
0 ~ 2
cell
ID
N
= 3
)
1
(
ID
N
+
)
2
(
ID
N
LTE2PSSPrimary Synchronization SignalSSSSecondary
Synchronization Signal
TDDFDD2
FDDPSS05slotsymbolSSSPSSslotSSSsymbolPSSsymbol1.1
TDDPSS16symbolSSS05symbolPSS3symbol1.1
1.1FDDTDDPSS/SSS
UE36.101UEPSSSSS726RBDCDC625UELTEPSSSSS
PSS/SSS36.2116.11.1.26.11.2.2
PSS63Zadoff-ChuDC62572DCPSS1.2
1.2PSS
PSS33Zadoff-Chu
)
2
(
ID
N
PSSPCI
cell
ID
N
% 336.2116.11.1.1
)
2
(
ID
N
Root index uZadoff-Chu
Table 6.11.1.1-1: Root indices for the primary synchronization
signal.
(2)
ID
N
Root index
u
0
25
1
29
2
34
UEPSS36.211Table 6.11.1.1-1Root index uPSSRoot index uPSSUE
)
2
(
ID
N
PSS1.1UE5 ms timingPSSPSSUEPSS5 ms timing
PSSUE
)
2
(
ID
N
5 ms timing
PSSSSS63Zadoff-ChuDC62572DCSSS1.1FDDTDDSSS05
LTESSS
2SSS
1
sss
0
2
sss
5168168
)
1
(
ID
N
36.211Table 6.11.2.1-1
)
1
(
ID
N
=
cell
ID
N
/ 3
1
sss
2
sss
UESSS10 mstiming0UEUESSS
SSS1.3
1
sss
231 m-sequence XY31m-sequences3136.211Table 6.11.2.1-1
0
m
1
m
2
sss
1
sss
2m-sequence
2
sss
2sequenceXY
1
sss
2
sss
36.2116.11.2.1 d(2n)d(2n+1)
1
sss
2
sss
1
sss
0
m
1
m
2
sss
1
m
0
m
Table 6.11.2.1-1(
0
m
,
1
m
)
0
m
1
m
1
sss
2
sss
1.3SSS
UESSS
UEPSSSSS
UESSSFDDTDDUEFDDTDD21.1SSSPSSsymbolSSSFDDPSS3symbolSSSTDDUEFDDTDDSSSSSSUEFDDTDD
SSSCPCyclic Prefix1.41.5UECPNormal CPExtended CPSSSSSSUECP
1.4FDDPSS/SSSslot
1.5TDDPSS/SSSslot
UESSSUEFDDTDD436.2116.11.2.1Table 6.11.2.1-1168XY
1
sss
2
sss
SSS
SSSSSS
1
sss
2
sss
168Table 6.11.2.1-1
0
m
1
m
)
1
(
ID
N
SSS
1
sss
2
sss
SSS05010 ms timing
SSSUE
)
1
(
ID
N
PSS
)
2
(
ID
N
PCI
cell-specific RSPCIcell-specific RS
10 ms timing0PBCH
FDDTDD
CPNormal CPExtended CP
PSSSSS
UELTEUEPBCH
UEPBCHUERRC_IDLEhandoverUERRC_CONNECTEDUERSRPhandover
PSSSSSPBCH
)2(
ID
N
5 ms timing
PCI
10 ms timing
cell-specific RS
FDD/TDD
CP
)1(
ID
N
RSRP/RSRQ
PBCH timing
1.6
LTEPCI mod 3PCI mod 6PCI mod 303630
3PCI =
cell
ID
N
= 3
)
1
(
ID
N
+
)
2
(
ID
N
PCI mod 3PSSPSS
66frequency shiftPCI mod 6
30PUSCHDM-RSSRS30ZC30PCI mod 30ZCDM-RSSRS
[1] TS 36.2116.11Synchronization signals
[2] 4G LTE/LTE-Advanced for Mobile Broadband14.1
[3] LTE - The UMTS Long Term Evolution, 2nd Edition7
[4] LTE
[5] LTE
[6] 3GPP TDocs R1-060516--------- TDD
2 System Information
UEPCIPhysical Cell IDtiming10ms timingUESystem Information
UEMasterInformationBlockMIBSystemInformationBlockSIB
2.1
ms
MIB
UE
36.331
IE
MasterInformationBlock
40BCHSIB1
SIB
36.331
IE
SystemInformationBlockType1
80DL-SCHSIB2
UE
SIB1
36.331
IE
SystemInformation
BlockType1
SchedulingInfoList
SIB3~SIB8
intra-frequency
inter-
frefquency
inter-RAT
SIB9home eNodeBSIB10~SIB12ETWSCMASSIB13
MBSFN
MBMS
SIBSIB9MBMSSIB13
3RRCMIBSIB1SI
MIB
PHICHSFNSIB11SISIB1
SIB
RRCSystemInformation
schedulingInfoList
SISI
SISIB
2.13RRC
BCCHUE
2.22.32.4BCCHBCHDL-SCHBCHMIBPBCHDL-SCHSIBPDSCH
MIBSIB1~SIB13
2.2
2.3RRCMIBBCH
2.4RRCSIBDL-SCH
2.1 MIB
MIBRRCMasterInformationBlockUEMIBUEUE
UEPBCH
1MasterInformationBlockPHICHLTEPHICHSystem Frame
NumberSFNSFN82PBCH
2cell-specific antenna port124
3L1/L2 control signalPCFICHPHICHPDCCHtransmit-diversity
schemePBCHL1/L2 control signal PBCHL1/L2 control signal
2.2MIBPBCHPBCH02slot4OFDM symbol72DCREDL-SCH2.5
2.5BCH
BCH72UEBCHUEBCH6RB72MIBUEMIB
MIB40ms4PBCHcoded bitSIRUE40msPBCH10msPBCHPBCH
40 ms
4MIBSFN % 4 = 0
MIB3
MIB4MIB
MIB
0
F
R
40ms
MIBSFN
40ms
2.6MIB
MIBUESFN8240ms timingPBCH40msPBCHscrambling and bit
position4phase of the PBCH scrambling code40ms
UE4phase of the PBCH scrambling
codePBCH40msMIBSFN2[2][6]SFN2
PBCH2SFBC4combined SFBC/FSTDUE3CRC mask36.212Table
5.3.1.1-1PBCH1 2 SFBC4 combined SFBC/FSTDUEPBCHL1/L2 control
signalSFBCFSTD[1]5.4.1.410.3.1.2
Table 5.3.1.1-1: CRC mask for PBCH.
Number of transmit antenna ports at eNodeB
PBCH CRC mask
>
p15/p
p,/p
p1/p
p,/p
p0/p
p,/p
p,...,/p
p,/p
pant/p
pant/p
pant/p
px/p
px/p
px/p
/p
p class="tAC"1/pp class="tAC"0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0/p
p class="tAC"2/pp class="tAC"1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1/p
p class="tAC"4/pp class="tAC"0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
0, 1, 0, 1/p
p PBCH31/2/44phasePBCH12/pp 2.7MIB/pp/pp2.7PBCH/p2.2 SIBp
BCHMIBDL-SCHSIBUE/pp SIBRRCUESIB36.331RRC/pp
MIBSIB1SIPDSCHSIB1SIRBSI-RNTIPDCCHUESI-RNTIPDCCHSISIB1SIB1SIRB/pp
SIB180msSFN % 2 = 05SIB1SIB1PDCCH/ppp80 ms/p
p4SIB1SFN % 8 = 0/p
pSIB13SFN /p
p% 2 = 0/p
pSIB14SIB1/p
pSIB1/p
p5/p
pF/p
p/p
pR/p
p /p
/pp2.8SIB1/pp
SISIB1SIBSIB2160msSIB2.10SIB2SIB3SI320msSIB2.10SIB4SIB5SI/pp
SITB/pp 1SIBSISIB1sizeDCI format 1Csize1736 bit217 byteDCI format
1Asize2216 bit277 byte/pp
SISIBSIB1schedulingInfoListSIBSISIB2schedulingInfoListSISIschedulingInfoListSIB2SI/pp/pp2.9SIB1SI/pp
SISISI-windows1SISISISIeNodeBSI2SI3SISI4SI/pp MIBSIB1SI/pp
SISISI/pp SISystemInformationBlockType1si-WindowLengthms/pp
SystemInformationBlockType1schedulingInfoListSISIn1schedulingInfoList4SI4SI4SInSISI/pp
SIx = (n - 1) * wwsi-WindowLengthxms/pp SISFN % T = FLOOR(x /
10)TSIsi-PeriodicitySFN % TSIFLOOR(x / 10)SI10msx / 10/pp SI#aa = x
% 10/pp xSISI SFN % TSISIx = (n - 1) * wSI(SI36.3315.2.3)/pp
SIeNodeBSISI/pp SFN % 2 = 05/pp MBSFN/pp TDD/pp
SI/pppSIB2SIB3SIB4SIB5SIB6SIB7SIB8SI-1/p
p160 ms/p
pPeriodicity/p
p/p
pSI-2/p
p320 ms/p
pSI-3/p
p320 ms/p
pSI-4/p
p640 ms/p
px = (1 - 1) * 5 = 0/p
p/p
pSFN % 16 = 0 / 10 = 0/p
p/p
p0 % 10 = 0/p
pw = 5 msx = (3 - 1) * 5 = 10/p
p/p
pSFN % 32 = 10 / 10 = 1/p
p/p
p10 % 10 = 0/p
px = (4 - 1) * 5 = 15/p
p/p
pSFN % 64 = 15 / 10 = 1/p
p/p
p15 % 10 = 5/p
px = (2 - 1) * 5 = 5/p
p/p
pSFN % 32 = 5 / 10 = 0/p
p/p
p5 % 10 = 5/p
/pp2.10SI/pp SISISI-RNTIPDCCH/pp SISISISIUESISI-RNTIPDCCHSI/pp
SISISISI/pp SIB1SIdiv class="embedded" id="_1272273280"/pm/p
pQ/p
236.2137.1.7.1/pp MIBSIB1SISIB1eNodeB
SystemInformationBlockType1UESISISIBSISISIUE
SISIUESIBSIBSISISIsi-WindowLengthSISI-RNTISI/p2.3p
ETWSCMASSIB10SIB11SIB12/pp modification periodSFN mod m = 0mm =
modificationPeriodCoeff * defaultPagingCycleSIB2/pp /pp
UE36.331Figure 5.2.1.3-1/pp class="tH"div class="embedded"
id="_1256466064"/p /p
pBCCH m/p
podification period/p
p (n)/p
p /p
pChange notification/p
p /p
pUpdated information/p
p /p
pBCCH m/p
podification period/p
p (n+1)/p
p /p
/pp class="tF"Figure 5.2.1.3-1: Change of system Information/pp
UEchange notificationUE/pp 2UE/pp PagingsystemInfoModificationSI/pp
SIB1systemInfoValueTagSIsystemInfoValueTag1/pp
PagingRRC_IDLERRC_CONNECTEDUEPagingsystemInfoModificationUEPagingSIB10SIB11SIB12/pp
SIB1SystemInformationBlockType1systemInfoValueTag0~31SIUESIUEUESI3systemInfoValueTagSI3/pp
systemInfoValueTagMIBSIB1SIB10SIB11SIB12SIBMIBSIB1UE/pp
ETWSCMASCDMA2000SIB1systemInfoValueTagPagingsystemInfoModification/pp
UE2/pp SIB1systemInfoValueTag/pp
UEPagingsystemInfoModificationmodificationPeriodCoeffUEPagingUERRC_CONNECTEDUEPagingUEsystemInfoModificationETWSCMAS/pp
UEUEUESIB1SISIB10SIB11SIB12/pp
RRC_CONNECTEDETWS/CMASUEdefaultPagingCyclepagingETWS/CMAS/pp
Pagingetws-IndicationUEETWS primarySIB10/ETWS secondarySIB11/pp
Pagingcmas-IndicationUECMASSIB12/p2.4p
UEPCellSCellSCellRRCConnectionReconfigurationSCellToAddMod-r10UESCelleNodeBUESCellSCellUE36.3315.3.10.3bSCellSCell
additionradioResourceConfigCommonSCellSCellSCell
modificationradioResourceConfigCommonSCellSCellUESCell/pp
eNodeBRRCConnectionReconfigurationSCell/pp class="body_Text"/pp[1]
4G LTE/LTE-Advanced for Mobile Broadband14.2/pp[2] LTE - The UMTS
Long Term Evolution, 2nd Edition3.2.29.2.1/pp[3] TS 36.2116.6
/pp[4] TS 36.2125.3.1 /pp[5] TS 36.331 5.2System Information/pp[6]
PBCH: How quickly can a UE read the MIB?/pp[7] PBCH: Does the MIB
tell the UE how many antennas are used in the cell?/pp[8] SI/pp[9]
LTEUE/p3 Random Access Procedurep UEUEUEUERandom Access
Procedure/pp 12UEC-RNTI/pp 6(36.30010.1.5)/pp1.
UERRC_IDLERRC_CONNECTED/pp2. RRCRRC Connection Re-establishment
procedureUERadio Link Failure/pp3. handoverUE/pp4.
RRC_CONNECTEDACK/NACK/pp5. RRC_CONNECTEDPUCCHSRUERACHSR/pp6.
RRC_CONNECTEDUEtiming advance/pp PUCCHSRSR/pp /pp1. Contention
based5/pp2. Non-Contention basedContention-Free based (3)(4)
(6)/p3.1 preamble
p UErandom access preamblePreambleeNodeBeNodeBUEeNodeBuplink
timingtiming advance commandUE/pp
PreamblePRACHeNodeBSIB2UEpreambleprach-ConfigIndexprach-FreqOffset36.2115.7/pp
64preambleUEeNodeBPRACHpreamblegroup Agroup Bgroup
BeNodeBRACH-ConfigCommonSIB23.1/pp/pp3.1random access preambles/pp
preamble2group Agroup
BeNodeBRARMsg3UEMsg3messageSizeGroupApathlossPCMAX,c
preambleInitialReceivedTargetPower deltaPreambleMsg3
messagePowerOffsetGroupBgroup Bpreamblegroup
ApreambleeNodeBpreamblepreamblegroupMsg3grantpreamble36.3215.1.2/pp
Group A/BpreambleeNodeB /pp
UEhandoverpreambleeNodeB36.331RACH-ConfigDedicated36.2125.3.3.1.3PDCCH
orderpreamblegroup Agroup Bpreamble/pp
eNodeBSIB2RACH-ConfigCommonUE
preambleMsg3UEMsg3pathlosspreamble/p3.2 PRACHp LTEsystem
framesubframeslotsymbolRBRBorthogonal cover codecyclic shift/pp
PRACHrandom access preamble/pp
PRACHSIB2prach-ConfigIndexprach-FrequencyOffsetUEpreambleformatPRACH/pp/pp3.2PRACHRRC/pp
PRACH6RBLTERA preamble/pp eNodeBPRACHRB36.2136.1PRACH
eNodeBPRACHRB/pp PRACH6RB/pp preamble36.2115.7.1/pp class="tH"Table
5.7.1-1: Random access preamble parameters./pp class="tAH"Preamble
format/pp class="tAH"div class="embedded"
id="_1233423362"/pCP/p
pT/p
/pp class="tAH"div class="embedded" id="_1257096051"/pSEQ/p
pT/p
/p
p class="tAC"01 subframe/pp class="tAR"div class="embedded"
id="_1262766565"/ps/p
p3168/p
pT/p
p/p
/pp class="tAR"div class="embedded" id="_1262757575"/ps/p
p24576/p
pT/p
p/p
/p
p class="tAC"12 subframes/pp class="tAR"div class="embedded"
id="_1262766578"/ps/p
p21024/p
pT/p
p/p
/pp class="tAR"div class="embedded" id="_1262757562"/ps/p
p24576/p
pT/p
p/p
/p
p class="tAC"22 subframes/pp class="tAR"div class="embedded"
id="_1262766589"/ps/p
p6240/p
pT/p
p/p
/pp class="tAR"div class="embedded" id="_1262757526"/ps/p
p24576/p
p2/p
pT/p
p/p
p/p
/p
p class="tAC"33 subframes/pp class="tAR"div class="embedded"
id="_1262766601"/ps/p
p21024/p
pT/p
p/p
/pp class="tAR"div class="embedded" id="_1262757495"/ps/p
p24576/p
p2/p
pT/p
p/p
p/p
/p
p class="tAC"4*for TDD only/pp class="tAR"div class="embedded"
id="_1262757444"/ps/p
p448/p
pT/p
p/p
/pp class="tAR"div class="embedded" id="_1263045195"/ps/p
p4096/p
pT/p
p/p
/p
p* Frame structure type 2 and special subframe configurations
with UpPTS lengths div class="embedded" id="_1262699399"/ps/p
p4384/p
pT/p
p/p
and div class="embedded" id="_1262700581"/ps/p
p5120/p
pT/p
p/p
only./pp/pp3.3preamble/pp 3.3preambleformat 01format 1format
22format 33/pp preambleCPcyclic prefixCPtiming1 km6.7s6.7s /
kmpreamble format 0CP0.1 ms15km0.1 * 1000 / 6.7 15 km /pp
TDDpreambleformat 4UpPTSdiv class="embedded"
id="_1262699399"/ps/p
p4384/p
pT/p
p/p
div class="embedded" id="_1262700581"/ps/p
p5120/p
pT/p
p/p
UpPTS36.211Table 4.2-1CPformat 0~3format 4/pp
subframe123UpPTSslotsymbolpreamble/pp preamblepreamble/pp
FDDpreamble format 0~3PRACH36.211Table
5.7.1-2formatpreambleprach-ConfigIndexUEprach-ConfigIndex12UEany024685format
0preambleUEprach-ConfigIndex18UEeven 7format
1preamble/pp/pp3.4FDDprach-ConfigIndexTable 5.7.1-2/pp
FDDpreambleRBdiv class="embedded" id="_1410158857"/pRA/p
pPRB/p
pn/p
prach-FrequencyOffsetdiv class="embedded"
id="_1455214325"/pRA/p
pPRBoffset/p
pn/p
div class="embedded" id="_1315822939"/p6/p
p0/p
pUL/p
pRB/p
pRA/p
pPRBoffset/p
p-/p
p/p
p/p
pN/p
pn/p
/pp TDDPRACHTDDRATDD10ms6RA36.2115.7.1-3div class="embedded"
id="_1315822498"/pRA/p
pD/p
/pp TDDpreambleprach-ConfigIndex36.211Table 5.7.1-3Table
5.7.1-4div class="embedded" id="_1315822498"/pRA/p
pD/p
UE10msdiv class="embedded" id="_1315830815"/pRA/p
pr/p
ZTETime & Frequency Location Mapping for TDD
PRACH36.211Table 5.7.1-3Table 5.7.1-4/pp TDDTable
5.7.1-4preamblediv class="embedded" id="_1315830858"/p)/p
p,/p
p,/p
p,/p
p(/p
p)/p
p2/p
p(/p
pRA/p
p)/p
p1/p
p(/p
pRA/p
p)/p
p0/p
p(/p
pRA/p
pRA/p
pt/p
pt/p
pt/p
pf/p
div class="embedded" id="_1316496688"/p2/p
p,/p
p1/p
p,/p
p0/p
p)/p
p0/p
p(/p
pRA/p
p=/p
pt/p
preamble012div class="embedded" id="_1315830890"/p1/p
p,/p
p0/p
p)/p
p1/p
p(/p
pRA/p
p=/p
pt/p
preamble01div class="embedded" id="_1315830904"/p)/p
p2/p
p(/p
pRA/p
pt/p
preambledownlink-to-uplink switch point0format 4div
class="embedded" id="_1315830904"/p)/p
p2/p
p(/p
pRA/p
pt/p
(*)/pp/pp3.5PRACHpreamble format 0~3TDD Configuration 1/pp
format 4div class="embedded" id="_1315830904"/p)/p
p2/p
p(/p
pRA/p
pt/p
/pp prach-ConfigIndexPRACH configuration indexUEdiv
class="embedded" id="_1410167629"/p)/p
p0/p
p(/p
pRA/p
pt/p
div class="embedded" id="_1410167643"/p)/p
p1/p
p(/p
pRA/p
pt/p
div class="embedded" id="_1315830904"/p)/p
p2/p
p(/p
pRA/p
pt/p
preamble/pp
TDDpreambleRBprach-ConfigIndexprach-FrequencyOffsetprach-ConfigIndexTable
5.7.1-4div class="embedded" id="_1410169569"/pRA/p
pf/p
6RBprach-FrequencyOffsetdiv class="embedded"
id="_1455215842"/pRA/p
pPRBoffset/p
pn/p
format 0~3preambleRB/ppdiv class="embedded"
id="_1315822427"/p/p
p/p
p/p
p/p
p/p
p/p
p/p
p/p
p/p
p/p
p/p
p/p
p/p
p-/p
p-/p
p-/p
p=/p
p/p
p/p
p/p
p/p
p/p
p/p
p+/p
p=/p
potherwise/p
p,/p
p2/p
p6/p
p6/p
p0/p
p2/p
pmod/p
p /p
pif/p
p,/p
p2/p
p6/p
pRA/p
pRA/p
poffset/p
p /p
pPRB/p
pUL/p
pRB/p
pRA/p
pRA/p
pRA/p
poffset/p
p /p
pPRB/p
pRA/p
pPRB/p
pf/p
pn/p
pN/p
pf/p
pf/p
pn/p
pn/p
/pp PRACHdiv class="embedded" id="_1410158976"/pRA/p
pPRBoffset/p
pn/p
PUCCH6preamble6RB/pp/pp3.6 prach-FreOffset/pp format 4RB/ppdiv
class="embedded" id="_1410169537"/p(/p
p)/p
p/p
p/p
p/p
p+/p
p-/p
p=/p
p+/p
p-/p
p/p
p=/p
potherwise/p
p),/p
p1/p
p(/p
p6/p
p0/p
p2/p
pmod/p
p)/p
p2/p
p(/p
p)/p
p2/p
pmod/p
p(/p
p /p
pif/p
p,/p
p6/p
pRA/p
pUL/p
pRB/p
p)/p
p1/p
p(/p
pRA/p
pSP/p
pf/p
pRA/p
pRA/p
pPRB/p
pf/p
pN/p
pt/p
pN/p
pn/p
pf/p
pn/p
/pp div class="embedded" id="_1264771576"/pf/p
pn/p
div class="embedded" id="_1315822286"/pSP/p
pN/p
downlink-to-uplink switch point/pp FDDprach-ConfigIndexTable
5.7.1-2preamble formatpreambleprach-FrequencyOffsetRBFDD/pp
TDDprach-ConfigIndexTable 5.7.1-3Table 5.7.1-4preamble formatdiv
class="embedded" id="_1315830858"/p)/p
p,/p
p,/p
p,/p
p(/p
p)/p
p2/p
p(/p
pRA/p
p)/p
p1/p
p(/p
pRA/p
p)/p
p0/p
p(/p
pRA/p
pRA/p
pt/p
pt/p
pt/p
pf/p
div class="embedded" id="_1410167629"/p)/p
p0/p
p(/p
pRA/p
pt/p
div class="embedded" id="_1410167643"/p)/p
p1/p
p(/p
pRA/p
pt/p
div class="embedded" id="_1315830904"/p)/p
p2/p
p(/p
pRA/p
pt/p
preambleprach-FrequencyOffsetdiv class="embedded"
id="_1410158976"/pRA/p
pPRBoffset/p
pn/p
div class="embedded" id="_1410169569"/pRA/p
pf/p
TDD/pp UEUEpreamblepreamblepreambletiming/pp
eNodeBSIB2prach-ConfigIndexprach-FrequencyOffsetpreambleUEpreambleeNodeBUEpreamblepreamblepreamble/pp
UEMIBSIB1SIB2SIB3~SIB13/p3.3 p UEPCell/pp 4/pppUEeNodeB/p
prandom access preamble/p
p(RACH)/p
prandom access response(RAR)/p
p(DL-SCH)/p
pcontention resolution/p
p(DL-SCH)/p
pMsg3/p
p(UL-SCH)/p
p(1) RA-RNTI /p
p(2) Send RA-preamble identifier/p
p(3) Estimate the delay between eNodeB and /p
pUE, thensend timing advance command/p
p(4) Assign Temporary C-RNTI/p
p(5) Assign uplink resources for msg3/p
p(6) BI: Backoff Indicator (optional)/p
p(1) Adjust uplink timing/p
p(2) Transmit mobile-terminal /p
pidentity to eNodeB using UL-SCH/p
p(3) The exact content of this /p
psignaling is depend on whether UE /p
pis known to eNodeB or not/p
pThe size of message 3 and the /p
ppathloss are used to determine /p
pwhich group (A or B) a /p
ppreamble is selected from/p
pSIB2/p
p(1) PRACH-ConfigSIB/p
p(2)RACH-ConfigCommon/p
p(1) resolve contention./p
p(2) Temporary C-RNTI is promoted to /p
pC-RNTI for a UE./p
/pp3.7/pp 2/pppUEeNodeB/p
prandom access preamble/p
p(RACH)/p
prandom access response(RAR)/p
p(DL-SCH)/p
p(1) RA-RNTI /p
p(2) Send RA-preamble identifier/p
p(3) Estimate the delay between eNodeB and /p
pUE, thensend timing advance command/p
p(4) Assign Temporary C-RNTI (optional)/p
p(5) Assign uplink resources for msg3 (optional)/p
p(6) BI: Backoff Indicator (optional)/p
pPreamble is assigned /p
pby eNodeB/p
pRACH-ConfigDedicated or PDCCH order/p
/pp3.8/pUEpreamble
p UErandom access preambleeNodeBeNodeBeNodeBUEuplink timing/pp
3/pp 1PDCCH ordereNodeBDCI format 1A UEUEPreamble IndexPRACH Mask
Index/pp 2MACUEpreamble/pp 3RRChandover/pp UEpreamble1preamble
index2preamblePRACH3RA-RNTI 4PREAMBLE_RECEIVED_TARGET_POWER/pp
1preamble index/pp preamble indexUE/pp UEgroup Agroup
Bpreamblepreamble group BMsg3messageSizeGroupApathlossPCMAX,c
preambleInitialReceivedTargetPower - deltaPreambleMsg3
messagePowerOffsetGroupBgroup Bgroup A/pp
UEMsg3preambleMsg3preamblegroup/pp groupUEgrouppreamblePRACH Mask
Index0/pp preamble indexeNodeB/pp eNodeBUEpreamble indexPRACH Mask
Index/pp eNodeBpreamble indexPRACH Mask
Index1RACH-ConfigDedicatedra-PreambleIndexra-PRACH-MaskIndexhandover2PDCCH
orderDCI format 1APreamble IndexPRACH Mask Index/pp eNodeBpreamble
index00group Agroup Bpreamble0eNodeB0preamble
indexUEpreambleeNodeBpreambleeNodeBpreamble/pp 2preamblePRACH/pp
prach-ConfigIndexPRACH Mask IndextimingUEPRACHPRACHUEmeasurement
gap/pp prach-ConfigIndexPRACH/pp PRACH Mask
IndexUEPRACHpreamble36.321Table
7.3-10PRACHeNodeBmaskUEPRACHpreambleUE/pp class="tH"Table 7.3-1:
PRACH Mask Index values/pp class="tAH"PRACH Mask Index/pp
class="tAH"Allowed PRACH (FDD)/pp class="tAH"Allowed PRACH
(TDD)/p
p class="tAC"0/pp class="tAC"All/pp class="tAC"All/p
p class="tAC"1/pp class="tAC"PRACH Resource Index 0/pp
class="tAC"PRACH Resource Index 0/p
p class="tAC"2/pp class="tAC"PRACH Resource Index 1/pp
class="tAC"PRACH Resource Index 1/p
p class="tAC"3/pp class="tAC"PRACH Resource Index 2/pp
class="tAC"PRACH Resource Index 2/p
p class="tAC"4/pp class="tAC"PRACH Resource Index 3/pp
class="tAC"PRACH Resource Index 3/p
p class="tAC"5/pp class="tAC"PRACH Resource Index 4/pp
class="tAC"PRACH Resource Index 4/p
p class="tAC"6/pp class="tAC"PRACH Resource Index 5/pp
class="tAC"PRACH Resource Index 5/p
p class="tAC"7/pp class="tAC"PRACH Resource Index 6 /pp
class="tAC"Reserved/p
p class="tAC"8/pp class="tAC"PRACH Resource Index 7/pp
class="tAC"Reserved/p
p class="tAC"9/pp class="tAC"PRACH Resource Index 8/pp
class="tAC"Reserved/p
p class="tAC"10/pp class="tAC"PRACH Resource Index 9/pp
class="tAC"Reserved/p
p class="tAC"11/pp class="tAC"Every, in the time domain, even
PRACH opportunity/pp class="tAC"1st PRACH Resource Index in
subframe/pp class="tAC"Every, in the time domain, even PRACH
opportunity/pp class="tAC"1st PRACH Resource Index in subframe
/p
p class="tAC"12/pp class="tAC"Every, in the time domain, odd
PRACH opportunity/pp class="tAC"1st PRACH Resource Index in
subframe/pp class="tAC"Every, in the time domain, odd PRACH
opportunity/pp class="tAC"1st PRACH Resource Index in
subframe/p
p class="tAC"13/pp class="tAC"Reserved/pp class="tAC"1st PRACH
Resource Index in subframe/p
p class="tAC"14/pp class="tAC"Reserved/pp class="tAC"2nd PRACH
Resource Index in subframe/p
p class="tAC"15/pp class="tAC"Reserved/pp class="tAC"3rd PRACH
Resource Index in subframe/p
p ra-PRACH-MaskIndex = 336.321Table 7.3.1PRACH Resource Index
2preamblePRACHPRACH Resource IndexPRACH0PRACH36.211Table
5.7.1-2Table 5.7.1-4prach-ConfigIndex = 12FDD36.211Table
5.7.1-202468PRACHPRACH Resource Index 24PARCHTDDUL/DL
configuration136.211Table 5.7.1-4 PRACH Resource Index
20,0,1,0PARCH/pp PRACH Mask Index0eNodeBUEpreamblePRACHUE/pp
timing36.2136.1.1/pp UEnRAR MAC PDUTBpreambleUEn + 5preamble/pp
UEnRAR MAC PDUnRARUEn + 4preamble/pp PDCCH ordernUEdiv
class="embedded" id="_1316461015"/p2/p
pnk/p
p+/p
PRACHdiv class="embedded" id="_1415087026"/p2/p
pk/p
6/pp PRACH/pp TDDPRACH Mask
Index0eNodeBra-PreambleIndex0PRACH3PRACH/pp FDDPRACH Mask
Index0PRACH Mask IndexPRACH/pp 3RA-RNTI/pp
preambleRA-RNTIUEpreambleRARRA-RNTIPDCCHRA-RNTI/pp
4PREAMBLE_RECEIVED_TARGET_POWER/pp
preamblePREAMBLE_RECEIVED_TARGET_POWER36.3215.1.3/pppreambleInitialReceivedTargetPower
+ DELTA_PREAMBLE + (PREAMBLE_TRANSMISSION_COUNTER 1) *
powerRampingStep/pp
preambleInitialReceivedTargetPowereNodeBpreambleDELTA_PREAMBLEpreamble
format36.321Table 7.6-1powerRampingStep/pp preamblediv
class="embedded" id="_1414665431"/pPRACH/p
pP/p
/ppPPRACH = min{div class="embedded" id="_1350220262"/p)/p
p(/p
pc/p
pCMAX,/p
pi/p
pP/p
, PREAMBLE_RECEIVED_TARGET_POWER + div class="embedded"
id="_1353226077"/pc/p
pPL/p
}_[dBm]/pp div class="embedded" id="_1350220262"/p)/p
p(/p
pc/p
pCMAX,/p
pi/p
pP/p
UEPCellidiv class="embedded" id="_1414665857"/pc/p
pPL/p
UEPCell/peNodeBRandom Access Response
p UEpreambleRARRA Response windowPDCCHRA-RNTIRARmeasurement
gapRAReNodeBRAR/pp RARpreamblepreamble +
3ra-ResponseWindowSize/pp/pp3.9RA response window/pp
preambleRA-RNTI/ppRA-RNTI= 1 + t_id+10*f_id/pp t_idpreamblePRACH0
t_id < 10f_idpreamblePRACH0 f_id <
6FDDPRACHf_id0RA-RNTI36.3215.1.4/pp
UEpreambleeNodeBpreamblepreambleRARRA-RNTI/pp
UERARRA-RNTIRARpreamble indexUEpreamble indexRARUERAR/pp Random
Access ResponseMAC PDURAR/ppdiv class="embedded"
id="_1286977267"/pMAC RAR 1/p
p.../p
pE/T/R/R/BI/p
psubheader /p
pMAC header/p
pMAC payload/p
p.../p
pMAC RAR 2MAC RAR n/p
pE/T/RAPID /p
psubheader 2/p
pE/T/RAPID /p
psubheader n/p
pE/T/RAPID /p
psubheader 1/p
pPadding /p
p(opt)/p
/pp3.10MACMAC RARsRAR MAC PDU/pp 3.10RAR MAC PDU1MAC MAC header+
0MAC RARMAC Random Access ResponseRAR+ padding/pp RAR MAC
PDURAR1RAR MAC PDU1RAR/pp RAR MAC PDUeNodeBPRACHUERAR MAC
PDUpreamble indexRAR/pp UEPRACHRA-RNTIpreambleRARRAR MAC PDU/pp RAR
MAC PDUDL-SCHRA-RNTIPDCCHPRACHpreamblepreambleUERA-RNTIPDCCHRAR MAC
PDUpreamble indexRAR/pp RAR MAC PDURA-RNTIPRACHpreambleRARRAR MAC
PDU/pp class="tH"div class="embedded" id="_1267809242"/pRAPIDETOct
1/p
/pp class="tF"Figure 6.1.5-1: E/T/RAPID MAC subheader/pp
class="tH"div class="embedded" id="_1272307239"/pBIEROct 1RT/p
/pp class="tF"Figure 6.1.5-2: E/T/R/R/BI MAC subheader/pp
class="tH"div class="embedded" id="_1283502746"/pTiming Advance
CommandOct 1/p
pTiming Advance /p
pCommand/p
pUL Grant/p
pUL Grant/p
pTemporary C-RNTI/p
pTemporary C-RNTI/p
pUL GrantOct 2/p
pOct 3/p
pOct 4/p
pOct 5/p
pOct 6/p
pR/p
/pp class="tF"Figure 6.1.5-3: MAC RAR/pp MAC headerMAC
subheaderBackoff Indicator subheadersubheaderRARBackoff Indicator
subheadersubheaderMAC headersubheader/pp UEBackoff Indicator
subheaderbackoffsubheaderBIUEbackoff0/pp BIBackoff
IndicatorUEpreamble36.3217.2UERARRARRARpreambleRARUE0BI/pp
BIUEpreambletimingpreambleUELTE().docx/pp BIUEUE/pp RAPIDRandom
Access Preamble IDentifiereNodeBpreamblepreamble
indexUEpreambleRAR/pp 11-bitTiming advance commandUELTELTE/pp
20-bit UL grantMsg3eNodeBRARgrant5636.3215.1.4/pp/pp3.1120-bit UL
grant/pp RARPUSCHTBPUSCH/pp RAR grantHopping flag10Msg3PUSCHRAR0/pp
10Fixed size resource block assignment/pp div class="embedded"
id="_1280055790"/p44/p
pUL/p
pRB/p
p/p
pN/p
bdiv class="embedded" id="_1447580082"/p(/p
p)/p
p(/p
p)/p
p/p
p/p
p(/p
p)/p
p(/p
p)/p
p/p
p/p
p10/p
p2/p
p//p
p1/p
p44/p
p44/p
plog/p
p2/p
p//p
p1/p
plog/p
p2/p
pUL/p
pRB/p
pUL/p
pRB/p
p2/p
p=/p
p+/p
p/p
p/p
p+/p
p/p
p=/p
pN/p
pN/p
pb/p
DCI format 0Resource block assignment and hopping resource
allocation/pp div class="embedded" id="_1447580386"/p44/p
pUL/p
pRB/p
p>
N
102NUL_hophopping bit10 NUL_hopHopping flag1NUL_hop36.213Table
8.4-1Hopping flag0NUL_hop010NUL_hopb0
(
)
(
)
-
+
=
10
2
/
1
log
UL
RB
UL
RB
2
N
N
b
NUL_hop + b + (10 NUL_hop)DCI format 0Resource block assignment
and hopping resource allocation
PUSCH
4Truncated modulation and coding scheme0~15RARPUSCHMsg3
MCS
I
0~1536.213Table 8.6.1-1
3TPC command for scheduled PUSCHPUSCH36.213Table
6.2-136.2135.1
1CSI requestRARCSI requestPUSCHCQI/PMI/RIRARCSI request
RAR20-bit UL grant36.2136.2
preamble groupRARUL grantUL grantUE
TC-RNTIUEeNodeBC-RNIT
UEpreambleUEPRACHpreambleRA-RNTIpreambleRARUERARHARQ
UEpreamblera-PreambleIndexeNodeB0
UEpowerRampingSteppreamble
UERARRA-RNTIpreamble indexRAR
UEMsg3
preambleUEUEC-RNTIeNodeBC-RNTI
1UERRC_CONNECTED2handoverUEC-RNTIRRCConnectionReconfigurationMobilityControlInfonewUE-Identity
3Msg3UEMsg33
UEnRARUEn +
1
k
1
k
6FDDn + 6TDDn + 6
1
k
6Msg3RARUL grant1 bitUL delay0n +
1
k
Msg31UEn +
1
k
Msg336.2136.1.1
UL grant4UL grantPDCCHMsg3RAR6RARMsg3UL grantPDSCHPDCCHUEUL
grant
Msg3UL-SCHHARQRARUL grantMsg3TB8036.30010.1.5.1
Msg3UE
RRC_CONNECTEDUEC-RNTI
RRC_CONNECTEDUEUES-TMSIeNodeBMsg3
UERRC_CONNECTEDUEC-RNTIMsg3UEC-RNTI MAC control
elementC-RNTIeNodeBeNodeBC-RNTI
C-RNTIOct 1
C-RNTIOct 2
Figure 6.1.3.2-1: C-RNTI MAC control element
UECCCHMsg3 UEC-RNTIUEUES-TMSIeNodeBUE Contention Resolution
Identity MAC Control ElementUE
1UE Contention Resolution Identity MAC Control
Element236.331UL-CCCH-MessageRRCCCCHRRCRRCCCCH
UE Contention Resolution IdentityOct 1
UE Contention Resolution IdentityOct 2
UE Contention Resolution IdentityOct 3
UE Contention Resolution IdentityOct 4
UE Contention Resolution IdentityOct 5
UE Contention Resolution IdentityOct 6
Figure 6.1.3.4-1: UE Contention Resolution Identity MAC control
element
Msg3
1initial accessMsg3CCCHRRC Connection RequestNAS UE
2RRCRRC Connection Re-establishmentMsg3CCCHRRC Connection
Re-establishment RequestNAS
3handoverMsg3DCCHRRC Handover ConfirmUEC-RNTIBSR
4C-RNTI
UEC-RNTIUL-SCHC-RNTITC-RNTIMsg3TC-RNTI
eNodeBcontention resolution
UEMsg3 C-RNTIUES-TMSIeNodeBMsg4Msg4UEUE
eNodeBPCellC-RNTIPDCCHDL-SCHUE Contention Resolution Identity
MAC control elementUE
UEMsg3mac-ContentionResolutionTimerMsg3HARQtimertimerUEPDCCH
UEPDCCHUEMsg3C-RNTI MAC control
element2UEUEUEmac-ContentionResolutionTimerTC-RNTI2TC-RNTIC-RNTI
1MACUEMsg4PDCCHMsg3C-RNTI
2PDCCH orderUEMsg4PDCCHMsg3C-RNTI
Msg3CCCHMsg4PDCCHRARTC-RNTIMAC PDUUE Contention Resolution
Identity MAC control elementMsg3CCCH SDUUEC-RNTITC-RNTIRAR MAC
PDUmac-ContentionResolutionTimerTC-RNTIC-RNTI
mac-ContentionResolutionTimerUETC-RNTI
UE
1Msg3HARQ buffer
2PREAMBLE_TRANSMISSION_ COUNTER1PREAMBLE_TRANSMISSION_ COUNTER =
preambleTransMax + 1Random Access problem indication
30~BIbackoff timeUEbackoff time
UEUE
1ra-PreambleIndex ra-PRACH-MaskIndex
2Msg3HARQ buffer
Msg4HARQMsg3Msg4TC-RNTIRLC-TMRRC_CONNECTEDUEMsg4C-RNTI
1UERRC_CONNECTEDUEC-RNTIMsg3C-RNTI MAC control
elementC-RNTIeNodeBUEeNodeBC-RNTIPDCCHUEC-RNTIPDCCH
2UERRC_CONNECTEDUEC-RNTIS-TMSIMsg3eNodeBUEeNodeBUE Contention
Resolution Identity MAC Control ElementUEUEMsg3Msg4
3.4
6
31PDCCH order2MAC sublayer3
PDCCH orderinitiated by a PDCCH order1eNodeBUEUE2UE
eNodeBDCI format 1A UEUEPreamble IndexPRACH Mask
Index36.2125.3.3.1.336.213Table 8-4
3.12DCI format 1APDCCH order
UE
UEeNodeB
random access preamblerandom access
response(RAR)RRCConnectionReconfigurationComplete
PDCCH with C-
RNTI
Outof SyncRRC_CONNECTED stateDL Data Arrival
preamble
eNodeB
preamble
index = 0
PDCCH order (DCI 1A)C-RNTI MAC ControlElement (msg3)
C-RNTI
DCI 0 withC-RNTI for
RRCConnectionReconfigurationComplete
+
RRCConnectionReconfiguration
(msg4)
3.13
UEeNodeB
random access preamblerandom access
response(RAR)RRCConnectionReconfigurationCompleteOutof
SyncRRC_CONNECTED stateDL Data Arrival
preamble
eNodeB
preamble
index
0
PDCCH order (DCI 1A)RRCConnectionReconfiguration
3.14
MAC sublayerUETTISRPUCCH
1UE preamble
2eNodeBRARRARUL grant
3UE
UESR36.331SchedulingRequestConfigUEIEoptionalrelease
eNodeBUESRUEUL grantSR
UESR
UESRrandom accessSR
UEeNodeB
random access preamblerandom access response(RAR)Outof
SyncRRC_CONNECTED stateUL Data Arrival
preamble
UE
C-RNTI MAC ControlElement (msg3)
C-RNTI
RRCConnectionReconfigurationCompleteDCI 0 withC-RNTI for
RRCConnectionReconfigurationComplete
+
RRCConnectionReconfiguration
(msg4)
PDCCH withC-
RNTI
3.15
12RRC 3
UEeNodeB
random access preamblerandom access
response(RAR)RRCConnectionSetup (msg4)RRCConnectionRequest
(msg3)
RRCConnectionSetupComplete
HARQ ACKHARQ ACK
UE Contention
Resolution Identity
MAC Control
Element
preamble
UE
NAS UE
identifier
Outof Sync
3.16initial access
UEeNodeB
random access preamblerandom access
response(RAR)RRCConnectionReestablishment
(msg4)
RRCConnectionReestablishment
Request(msg3)
RRCConnectionReestablishmentCompleteHARQ ACKHARQ ACK
UE Contention
Resolution Identity
MAC Control
Element
preamble
UE
IE:
ReestabUE-
Identity
Outof SyncRRC_CONNECTED state
3.17RRCRRC Reestablishment
UE
Source
eNodeB
random access preamblerandom access response(RAR)DCI 0
withC-RNTI for RRCConnectionReconfigurationComplete (msg4)C-RNTI
MAC ControlElement (msg3)RRCConnectionReconfigurationComplete
PDCCH withC-
RNTI
1) preamble
eNodeB
ra-
PreambleIndex= 0;
2) eNodeB
rach-
ConfigDedicated
C-RNTI
Target
eNodeB
RRCConnectionReconfiguration
3.18handover
UE
Source
eNodeB
random access preamblerandom access
response(RAR)RRCConnectionReconfigurationComplete
preamble
eNodeB
ra-
PreambleIndex
0
Target
eNodeB
RRCConnectionReconfiguration
3.19handover
handovermsg3C-RNTI MAC Control Element + BSR MAC Control Element
+ PHR MAC Control Element
RARUL grant56 bitsC-RNTI MAC Control Element8 bitsMAC
subheader16 bitsC-RNTI MAC Control Element24 bits32 bits
LTEMACMAC C-RNTI MAC Control Element and UL-CCCH >
Regular/Periodic BSR MAC Control Element > PHR MAC Control
Element > UL-CCCH > padding BSR MAC control element32
bitsBSRPHR
BSR8 bitsMAC subheader8 bitsBSR MAC Control Element
PHR8 bitsMAC subheader8 bitsPHR MAC Control Element
RARUL grantC-RNTI + BSR +
PHRRRCConnectionReconfigurationComplement msg3C-RNTI + BSR + PHR +
RRCConnectionReconfigurationComplement
handovereNodeBrach-ConfigDedicatedOPTIONALUE
3.20MobilityControlInfo
3.5 preamble
UE
UEpreambleRARRARRAR MAC PUDpreambleRAR
UEMsg3Msg4
UEMsg4UE
UE36.321preambleTransMaxpreambleUEpreamblepreambleTransMaxMACrandom
access problem
indicationRRCMACpreambleMACpreambleUEpreamblepreambleTransMaxRRC
MACpreamble
MACrandom access problem indicationRRC
RRCUERRC timer
T300timerRRCUERRCMACMAC36.3215.9MACRRC36.3315.3.3.6
RRCRRC timer
T301T311timerRRCUERRCMACRRC_IDLE36.3315.3.12UERRC_IDLEMAC36.3315.3.7.65.3.7.7
HandoverRRC timer
T304timerhandoverUERRCpreamblepreambleRRC36.3315.3.5.6
RRC_CONNECTED UEPUCCHSRMACRRCRRCrandom access problem
indicationRadio Link FailureASUERRC_IDLEUERRC36.3315.3.11.3
RRCMACrandom access problem indicationtimerRRCrandom access
problem indication
[1]RACHhttp://www.sharetechnote.com/
[2]http://lteuniversity.com/
[3]4G LTE/LTE-Advanced for Mobile Broadband14.3
[4]LTE - The UMTS Long Term Evolution, 2nd Edition17
[5] Random Access Supervision - Part 1Random Access Supervision
- Part 2by John M.
[6]3GPP v10
TS 36.211 - 5.7 Physical random access channel
TS 36.213 - 6MAC Layer Procedure related to RACH Process.
TS 36.300 - 10.1.5Overall description of RACH Process. .
TS 36.321 5.1MAC Layer process of random access procedure.
TS 36.331 - 6.3.1 System information blocks
SystemInformationBlockType2
TS 36.331 - 6.3.2 Radio resource control information elements -
PRACH-Config
TS 36.331 - 6.3.2 Radio resource control information elements -
RACH-ConfigCommon
TS 36.331 - 6.3.2 Radio resource control information elements -
RACH-ConfigDedicated
4 Paging
ECM-IDLEUEMMEUEMMEUETAeNodeBPAGINGMMEeNodeBeNodeBPagingeNodeBUEUERRC_IDLEUEPagingRRC
eNodeBMMEUE
PAGING
(36.4139.1.6)
Paging
(36.3316.2.2)
MME
paging
eNodeB
PAGING
36.4138.5
UEPaging
36.3315.3.2
4.1
RRC_IDLEUE1eNodeBRRCeNodeBUE2UEeNodeBRRC3UETATracking
Area4UEMMEMME5UENAS
PagingeNodeBUEPaging
Paging1RRC_IDLEUE2RRC_IDLERRC_CONNECTEDUE3UEETWS primary/ETWS
secondary4UECMAS
Paging3Paging1
PCHPaging CHannelPCCHPagingPCHPDSCHDL-SCHPaging
Paging ::=
SEQUENCE {
pagingRecordList
PagingRecordList
OPTIONAL,-- Need ON------UE
systemInfoModification
ENUMERATED {true}
OPTIONAL,-- Need ON------SIB10SIB11SIB12
etws-Indication
ENUMERATED {true}
OPTIONAL,-- Need ON------ETWS primary notification/ETWS
secondary notification
nonCriticalExtension
Paging-v890-IEs
OPTIONAL
}
Paging-v890-IEs ::=
SEQUENCE {
lateNonCriticalExtension
OCTET STRING
OPTIONAL,-- Need OP
nonCriticalExtension
Paging-v920-IEs
OPTIONAL
}
Paging-v920-IEs ::=
SEQUENCE {
cmas-Indication-r9
ENUMERATED {true}
OPTIONAL,-- Need ON------CMAS notification
nonCriticalExtension
SEQUENCE {}
OPTIONAL-- Need OP
}
PagingRecordList ::=
SEQUENCE (SIZE (1..maxPageRec)) OF PagingRecord
PagingRecord ::=
SEQUENCE {
ue-Identity
PagingUE-Identity,------UENAS IDUE
cn-Domain
ENUMERATED{ps, cs},
...
}
PagingUE-Identity ::=
CHOICE {
s-TMSI
S-TMSI,
imsi
IMSI, ------International Mobile Subscriber Identity
...
}
IMSI ::=
SEQUENCE (SIZE (6..21)) OF IMSI-Digit
IMSI-Digit ::=
INTEGER (0..9)
RRC_IDLEUEpagingRecordList
eNodeBPagingRRC_IDLEUEP-RNTI0xFFFEPDCCH
PagingDiscontinuous ReceptionDRXRRC_IDLEUEPagingUE
RRC_IDLEUEDRXRRC_CONNECTEDUEDRXDRX
Paging
PagingP-RNTIPDCCH36.213Table 7.1-2
UEPagingPFPOPaging
POPaging OccasionP-RNTIPagingPDCCHDRXUEDRX
cycle1POUEPaging1PagingDRX cyclePaging
PFPaging FramePO
PF
SFN mod T= (T div N)*(UE_ID mod N)
i_s236.3047.2POi_s
i_s = floor(UE_ID/N) mod Ns
FDD:
Ns
PO when i_s=0
PO when i_s=1
PO when i_s=2
PO when i_s=3
1
9
N/A
N/A
N/A
2
4
9
N/A
N/A
4
0
4
5
9
TDD (all UL/DL configurations):
Ns
PO when i_s=0
PO when i_s=1
PO when i_s=2
PO when i_s=3
1
0
N/A
N/A
N/A
2
0
5
N/A
N/A
4
0
1
5
6
UEPFPagingPOPFPaging
4.1PF/PO
c
T
DRX cycleSIB2IE: PCCH-Config -> defaultPagingCycle
ue
T
UEDRX cycleMMEIE: Paging DRX36.4139.2.1.16
T
UEDRX cycle
)
,
min(
UE
c
T
T
T
=
MMEUEDRX cycleDRX cycledefaultPagingCycle
nB
4T, 2T, T, T/2, T/4, T/8, T/16, T/32nBDRX cyclePO
SIB2IE: PCCH-Config -> nB
N
)
,
min(
nB
T
N
=
NDRX cyclePF
Ns
)
/
,
1
max(
T
nB
Ns
=
NsPFPO
UE_ID
IMSI mod 1024
T div NDRX cycleNUE_ID mod NNUE_ID mod N 0 ~ N-1PF
36.331PCCH-Config
PCCH-Config ::=
SEQUENCE {
defaultPagingCycle
ENUMERATED {
rf32, rf64, rf128, rf256},------DRX cycle36.304Trf3232rf6464
nB
ENUMERATED {
fourT, twoT, oneT, halfT, quarterT, oneEighthT,
oneSixteenthT, oneThirtySecondT}------nBPFPO36.304fourT4 *
TtwoT2 * T
}
36.413Paging DRX
IE/Group Name
Presence
Range
IE type and reference
Semantics description
Criticality
Assigned Criticality
Paging DRX
M
ENUMERATED(32, 64, 128, 256, )
-
IMSI100..9IMSI101IMSI = 12 digit 1 = 1digit 2 = 2IMSI10121 * 16
+ 2 = 18
UEIMSIUEUSIMUEUE_ID = 0
UEDRX cycleUEP-RNTIPDCCH
UEPFPO
1FDDUE4.2
4.2UEPaging
UE
IMSI
404685505601234
c
T
128
ue
T
32
T
32
)
,
min(
=
=
UE
c
T
T
T
nB
= T/2 = 16
PFPO
UE_ID
IMSI mod 1024 = 722
N
16
)
,
min(
=
=
nB
T
N
Ns
1
)
/
,
1
max(
=
=
T
nB
Ns
i_s
i_s = floor(UE_ID/N) mod Ns = 0
PF
SFN mod T= (T div N)*(UE_ID mod N) PFSFN mod 32=4
PO
Nsi_s9
UE320 msT = 32 * 10msPagingUEDRX cycle32
UEDRX cycle2
16
=
N
PFPagingUEDRX cycle16POnB = 16UEUE_ID16PO1Paging
PF1PO
1
=
Ns
FDD
1
=
Ns
i_s=0PF9PO
2UEPFPO4.2
12345673031323334353601234567890123456789
......
PFPF
UE
DRX cycle
UE
PO
4.2IMSI=404685505601234
32
=
T
nB = 16UE
2FDDUE4.3
4.3UEPaging
UE
IMSI
404685505601234
c
T
128
ue
T
32
T
32
)
,
min(
=
=
UE
c
T
T
T
nB
= 4T = 128
PFPO
UE_ID
IMSI mod 1024 = 722
N
32
)
,
min(
=
=
nB
T
N
Ns
4
)
/
,
1
max(
=
=
T
nB
Ns
i_s
i_s = floor(UE_ID/N) mod Ns = 2
PF
SFN mod T= (T div N)*(UE_ID mod N)PFSFN mod 32=18
PO
Nsi_s5
UE320 msT = 32 * 10msPagingUEDRX cycle32
UEDRX cycle1PF
32
=
N
UEDRX cycle128POnB = 128UEUE_ID128PO1 Paging
PF4PO
4
=
Ns
FDD
4
=
Ns
i_s=2PF5PO
3UEPFPO4.3
012
..
1718323334
..
495001234567890123456789
......
PFPF
UE
PO
UEPO
UEPO
UE
DRX cycle
4.3IMSI=404685505601234
32
=
T
nB = 128UE
UEDRX cycletimingHARQHARQPagingHARQ
PagingSRB0TM RLC
eNodeBUEDRX cyclePFPOeNodeBPOUEPaging
RRC_IDLEUEDRX
cyclePFPOP-RNTIPDCCHUEPOP-RNTIPDCCHUEpagingRecordListPagingRecordPagingRecordUEue-IdentityUEUEue-Identityue-Identitycn-DomainUEUEue-IdentityUEPaging
[1] 36.3315.3.2
[2] 36.4138.5
[3] 36.3047
[4] LTE - The UMTS Long Term Evolution, 2nd Edition3.4
[5] 4G LTE/LTE-Advanced for Mobile Broadband14.4
[6] Discontinuous Reception (DRX) in RRC_IDLE: Part 1
Discontinuous Reception (DRX) in RRC_IDLE: Part 2
http://blog.sina.com.cn/ilte
[email protected]
_1272273280.unknown
_1410158857.unknown
_1416516484.unknown
_1455779572.unknown
_1455784064.unknown
_1455784326.unknown
_1455911315.unknown
_1455784338.unknown
_1455784277.unknown
_1455783896.unknown
_1455784044.unknown
_1455783954.unknown
_1455783326.unknown
_1455736298.unknown
_1455779560.unknown
_1455736329.unknown
_1455779358.unknown
_1455736125.unknown
_1455736159.unknown
_1455214325.unknown
_1455735723.unknown
_1455735744.unknown
_1455215842.unknown
_1447580082.unknown
_1447580386.unknown
_1416510885.unknown
_1416515971.unknown
_1416516473.unknown
_1416515939.unknown
_1416510923.unknown
_1416511051.unknown
_1416392413.unknown
_1416392429.unknown
_1410169569.unknown
_1416392327.unknown
_1414665857.unknown
_1415087026.unknown
_1415000776.unknown
_1414665431.unknown
_1410167629.unknown
_1410167643.unknown
_1410158976.unknown
_1315822427.unknown
_1315822939.unknown
_1315830890.unknown
_1316461015.unknown
_1350220262.unknown
_1353226077.unknown
_1316496688.unknown
_1315830904.unknown
_1315830815.unknown
_1315830858.unknown
_1315822498.unknown
_1286977267.vsd
MAC RAR 1
...
E/T/R/R/BI subheader
MAC header
MAC payload
...
MAC RAR 2
MAC RAR n
E/T/RAPID subheader 2
E/T/RAPID subheader n
E/T/RAPID subheader 1
Padding (opt)
_1315822286.unknown
_1280055790.unknown
_1283502746.vsd
Timing Advance Command
UL Grant
UL Grant
Oct 1
Timing Advance Command
Temporary C-RNTI
Temporary C-RNTI
UL Grant
Oct 2
Oct 3
Oct 4
Oct 5
Oct 6
R
_1280056339.unknown
_1272307239.vsd
BI
E
R
Oct 1
R
T
_1262766565.unknown
_1263045195.unknown
_1265532314.unknown
_1267809242.vsd
RAPID
E
T
Oct 1
_1272273083.unknown
_1264771576.unknown
_1265151345.vsd
UE Contention Resolution Identity
Oct 1
UE Contention Resolution Identity
Oct 2
UE Contention Resolution Identity
Oct 3
UE Contention Resolution Identity
Oct 4
UE Contention Resolution Identity
Oct 5
UE Contention Resolution Identity
Oct 6
_1263113575.vsd
C-RNTI
C-RNTI
Oct 1
Oct 2
_1262766589.unknown
_1262766601.unknown
_1262766578.unknown
_1257096051.unknown
_1262757562.unknown
_1262757575.unknown
_1262757495.unknown
_1262757526.unknown
_1262700581.unknown
_1262757444.unknown
_1262699399.unknown
_1254921783.unknown
_1256466064.doc
DOCUMENTTYPE
1 (1)
TypeUnitOrDepartmentHere
TypeYourNameHere
TypeDateHere
Updated information
Change notification
BCCH modification period (n+1)
BCCH modification period (n)
_935227290.doc
_1245838791.unknown
_1233423362.unknown
