WCDMA 无线接口技术

WCDMAWCDMAWCDMAWCDMAWCDMA

UMTSCNUTRANUEIuUu

UTRAN

Core Network

RNS

RNS

RNC

RNC

Node B

Node B

Node B

Node B

Iu

Iu

Iur

Iub

Iub

Iub

Iub

Radio Resource Control (RRC)

Medium Access Control (MAC)

Transport channels

Physical layer

Control / Measurements

Layer 3

Layer 1

Layer 2

Logical channels

PHY

MAC

U-plane information

C-plane signalling

Logical Channels

Transport Channels

RLC

RLC

RLC

L2/BMC

RLC

RLC

L3

RLC

L2/MAC

L1

GC

Nt

DC

L2/RLC

RLC

RLC

control

Duplication avoidance

control

control

RRC

UuS boundary

control

BMC

L2/PDCP

PDCP

PDCP

GC

control

Nt

DC

UEUTRANUu1,232MAC3RRCMACMACRLC

MAC RLC BMC PDCPRRC

MACUEUEUEPDUPDU

MAC ()PDUPDURACHASCUE

MACMACMAC SDUMACRRCMACRRC

MAC1MAC-bMAC-c/shMAC-dBCHNode BUEMAC-bUTRANMAC-b

BCCH

BCH

MAC-b

Mac Control

MAC2MAC-c/shCRNCMAC-dSRNCUTRANUEMAC-dMAC-c/sh

UTRANMAC-c/sh

PCH

USCH TDD only

PCCH

MAC Control

DSCH

DL: code

allocation

CCCH

DSCH

Flow Control MAC-c/sh / MAC-d

MAC-c/sh

to MAC d

USCH TDD only

Scheduling / Priority Handling/ Demux

TCTF MUX / UE Id MUX

FACH

BCCH

SHCCH(TDD only)

RACH

TFC selection

FACH

TFC selection

CPCH

(FDD only )

CTCH

UTRANMAC-d

C/T

MUX

MAC-d

Ciphering

DL scheduling/ priority handling

C/T MUX / Priority setting

DCH

DCH

Flow Control MACc/sh / MAC-d

to MAC-c/sh

Deciphering

UE

DCCH

DTCH

MAC-Control

Channel switching

DTCH

RLCPDU

UM/

RLCRLC/

QoS

RLC2TM

RLC3UM

RLC4AM

AM-Entity

DCCH/

DTCH**

DCCH/DTCH**

Remove RLC header & Extract Piggybacked information

AM-SAP

DCCH/

DTCH*

Deciphering

Acknowledgements

Received

acknowledgements

RLC Control Unit

Add RLC header

Set fields in RLC Header (e.g. set poll bits). Optionally replace PAD with piggybacked information.

MUX

Retransmission buffer & management

Segmentation/Concatenation

Transmission buffer

Demux/Routing

Ciphering (only for AMD PDU)

DCCH/

DTCH**

DCCH/DTCH**

DCCH/

DTCH*

Receiver buffer & Retransmission management

Receiving Side

Reassembly

Piggybacked statusOptional

Transmitting Side

PDCPIP/RFC2507PDCPSRNSRBRLCR99R00PDCPPDCPt

PDCPPDCPTMUMAMPDU

TMUMAMPDUPDCP

PDCP

RLC

PDCP

entity

PDCP-SDU

Tr-SAP

RLC-SDU

UM-SAP

C-SAP

Protocol comp. entity

Alg. Type1

AM-SAP

PDCP-SAPs


Alg. Type2

PDCP

entity

. . .

. . .

PDU numbering

Protocol

comp. entity

Alg. Type1


Alg. Type2

Radio Bearers

PDU numbering

PDCP-

sublayer


Alg. Type1

BMCBMCCBSBMCBMCUENAS

BMCBMCUM/

UM/BMC

BMC

L2/BMC sublayer

RRC

BMC-SAP

user-plane

BMC

L2/RLC sublayer

UM

CTCH-SAP

CBMC-SAP

RLC

RRCNASCNRRCRRCRRC/PDUQoS

RRC ()UEDCATDDUL DCHCBSCBSCBS

RAB Traffic classMaximum bit rateGuaranteed bit rateSDU error ratio, Residual BER,Transfer Delay

L3 UuGCGC SAPUENtNt SAPUEUEDCDC SAP/

RRC

RLC

SCFE

BCFE

PNFE

DCFE

RRC

MAC

MAC

ctrl

AM SAP

Access Stratum

RFE

RRC SAPs

Tr-SAP

RLC-

ctrl

L1

L1-ctrl

RFE

RFE

...

...

...

UM SAP

TME

RRCRRCRRC

RRCRRCRRCRRCUEUEUECounter

RRCURAUTRANUTRANUTRANUTRANUTRAN

UTRANUEBCCHBCHFACHUTRAN

UE

UTRAN

SYSTEM INFORMATION

Master information block

System information block 1

System information block 2

System information block n

System information block 2.m

System information block 2.1

FDD15NAS//

PCCHUEUECELL_PCHURA_PCHUTRANCELL_PCHURA_PCHUEUTRANCELL_PCHURA_PCHUE

UE

UTRAN

PAGING TYPE 1

RRCRRCUERRCRRCRRC

UE

UTRAN

RRC CONNECTION REQUEST

RRC CONNECTION SETUP

RRC CONNECTION SETUP COMPLETE

RRCRRCUEUTRANDCCHRRC

UE

UTRAN

RRC CONNECTION RELEASE

RRC CONNECTION RELEASE COMPLETE

RLCMACMAC

CCHBCCHPCCHDCCHCCCHSHCCHTCHDTCHCTCH

RACHFACHCPCHDSCHUSCHBCHPCHSCHDCH

-Conversational / speech / UL:12.2 DL:12.2 kbps / CS RAB + UL:3.4 DL:3.4 kbps SRBs for DCCH Conversational / unknown / UL:64 DL:64 kbps / CS RAB + UL:3.4 DL:3.4 kbps SRBs for DCCH Streaming / unknown / UL:0 DL:384 kbps / CS or PS RAB + UL:3.4 DL:3.4 kbps SRBs for DCCH Conversational / speech / UL:12.2 DL:12.2 kbps / CS RAB + Interactive or background / UL:64 DL:256 kbps / PS RAB + UL:3.4 DL:3.4 kbps SRBs for DCCHConversational / unknown / UL:64 DL:64 kbps / CS RAB + Interactive or background / UL:64 DL:64 kbps / PS RAB + UL:3.4 DL:3.4 kbps SRBs for DCCH Interactive or /background / UL:64 kbps DL:128 kbps / PS RAB + Streaming / unknown / UL:0 DL:128 kbps / CS RAB + UL:3.4 DL:3.4 kbps SRBs for DCCH

-Conversational / speech / UL:12.2 DL:12.2 kbps / CS RAB + Interactive or background / UL:64 DL:2048 kbps / PS RAB + UL:3.4 DL:3.4 kbps SRBs for DCCH Stand-alone 32 kbps SRB for PCCH Interactive or background / DL:32 kbps / PS RAB + SRB for PCCH + SRB for CCCH + SRBs for DCCH + SRB for BCCHInteractive or background / UL:32 kbps / PS RAB + SRB for CCCH + SRBs for DCCH

PDCPPDUPDCP SDUPDCP

BMCPDUBMC SDUBMC

RLCSDUPUPUPU//RLC PDUP/AM

MACPDUMAC SDUC/T MUXUE id MUXTCTF MUX

21RLCMAC

L2 RLC

(transparent)

L2 MAC

(transparent)

RLC PDU

RLC PDU

RLC SDU

Higher

Layer

CRC

Transport block (MAC PDU)

MAC SDU

CRC


MAC SDU

reassembly

L1

segmentation

Higher Layer PDU

22RLCMAC

CRC

MAC

header

Higher

Layer

CRC


MAC SDU

L2 MAC

(non-transparent)


MAC SDU

RLC SDU

L1

MAC

header

RLC PDU

RLC PDU

Higher Layer PDU

L2 RLC

(transparent)

reassembly

segmentation

23RLCMAC

MAC SDU

Segmentation & concatenation

Higher Layer

RLC SDU

RLC

header

RLC SDU

reassembly

CRC


Higher Layer PDU

L1

RLC

header


MAC SDU

CRC

Higher Layer PDU

L2 RLC

(non-transparent)

L2 MAC

(transparent)

24RLCMAC

MAC SDU

reassembly

Higher Layer

Higher Layer PDU

RLC

header

RLC SDU

Segmentation & concatenation

RLC SDU

CRC


Higher Layer PDU

L1

RLC

header


MAC SDU

CRC

MAC

header

MAC

header

L2 RLC

(non-transparent)

L2 MAC

(non-transparent)

3.4KbpsSRB

5.4.1.2.1.1.1.1.1.1.1.1.1.

12.2KbpsCS RAB

3.4Kbps12.2Kbps

64KbpsRAB

64Kbps3.4Kbps

2,048Kbps RAB

2,048Kbps3.4Kbps1.1.1.1.1.1.1.

MAC2OVSFMAC

BCH, FACH, PCH, RACH,CPCH, DSCHDCHDCH

(PRACH)(PCPCH)(uplink DPDCH) (uplink DPCCH)

DPDCHDPCCHI/QDPDCH2DPCCH110ms152560 chipsDPDCH42561DPDCHDPCCHDPCCHPilotTFCIFBITPC

DPDCH/DPCCH

FBI NFBI bits

TPC NTPC bits

Pilot Npilot bits

DPCCH

DPDCH

DataNdata bits

1 radio frame: Tf = 10 ms

Tslot = 2560 chips, 10*2k bits (k=0..6)

Slot #0

Slot #1

Slot #i

Slot #14

TFCI NTFCI bits

DPDCH/DPCCHDCHDPDCHDPCCHDPDCH

PRACHALOHAUE5120chips215slot1preamble4096chips16signature25616signature1020mssignature

RACH

#0

#1

#2

#3

#4

#5

#6

#7

#8

#9

#10

#11

#12

#13

#14

5120 chips

radio frame: 10 ms

radio frame: 10 ms

Access slot #0

Random Access Transmission

Access slot #1

Access slot #7

Access slot #14




Access slot #8

_999707390.doc

#0

#1

#2

#3

#4

#5

#6

#7

#8

#9

#10

#11

#12

#13

#14

5120 chips


radio frame: 10 ms

Access slot #0

radio frame: 10 ms

Access slot #1

Access slot #7

Access slot #14




Access slot #8

RACH

Preamble

Preamble

20 ms (two radio frames)

4096 chips

Preamble

Message part

Preamble

Preamble

10 ms (one radio frame)

4096 chips

Preamble

Message part

RACH

Pilot Npilot bits

Control

Data

DataNdata bits

Message part radio frame TRACH = 10 ms


Slot #0

Slot #1

Slot #i

Slot #14

TFCI NTFCI bits

PCPCH

Message Part

N*10 msec

0 or 8 slots

Data Part

Control Part

Access Preamble

Collision Resolution Preamble

Pj

Pj

P1

P0

4096 chips

CPCHDSMA-CDCPCHRACHCPCH1AP4096chips1CD-P4096chips1DPCCHPC-P081messageNx10msN_Max_frames10ms152560chips12564DPDCHDPCCH

TFCI NTFCI bits

Data2Ndata2 bits

One radio frame, Tf = 10 ms

TPC NTPC bits

DPDCH


Slot #0

Slot #1

Slot #i

Slot #14

Pilot Npilot bits

Data1Ndata1 bits

DPDCH

DPCCH

DPCCH

DCH21TPCTFCIDCH5124DPDCHDPCCHCCTrCHDPCHCCTrCHCCTrCHDPCCH

DPDCH/DPCCHDCHDPDCHDPCCHDPDCHDCH

DPDCH

( ( (

TFCI

Physical Channel L

Transmission Power

Pilot

TPC

Physical Channel 2

Transmission Power

Physical Channel 1

Transmission Power

DPDCH

One Slot (2560 chips)

CPICHcommon Pilot Channel (CPICH)30KBPS SF=256

CPICHCPICH,Cch,256,0CPICHCPICHSCH, Primary CCPCH, AICH, PICHCPICH SF=25601 SCCPCH DPCH.

PCCPCH30kbpsSF=256BCH256chipsSTTD

Data18 bits


Tslot = 2560 chips , 20 bits

Slot #0

Slot #1

Slot #i

Slot #14

(Tx OFF)

256 chips

S-CCPCH FACHPCH. SCCPCH: TFCI TFCIUTRAN TFCIUETFCIDPCH SF =256 - 4. FACH and PCH SCCPCHs. SCCPCH,

DataNdata bits

Pilot Npilot bits


TFCI NTFCI bits


Slot #0

Slot #1

Slot #i

Slot #14

SCHSCH P-SCHS-SCH. SCH256CHIP (PSC) (SSC) SSC162566464

acsi,0

acsi,14

acp

acsi,1

acp

One 10 ms SCH radio frame

Slot #14

Slot #1

SecondarySCH

Slot #0

PrimarySCH

acp

256 chips

2560 chips

PDSCHPDSCH DSCH, DSCH PDSCH DPCHDPCH UE DSCHTFCIDSCHDSCHDCHSFSFDSCH

AICHAICH20 ms15AS, 20(5120)AI AI16Signature AICHCPICH.

20 ms

Unused part

AI part

a39

a38

a33

a30

a32

a31

a0

a2

a1

AS #0

AS #14

AS #i

AS #1

AS #0

AS #14

b299

b288

b0

b1

b287

One radio frame (10 ms)

12 bits (undefined)

288 bits for paging indication

PICH(SF=256)Page Indicators (PI).PICH S-CCPCH PCH PICH10ms300bits.288 bits Page Indicators. 12 bitsN {PI0, , PIN-1} N=18, 36, 72, or 144. PIi 1PIiUES-CCPCH

Transport Channels

DCH

RACH

CPCH

BCH

FACH

PCH

DSCH

Physical Channels

Dedicated Physical Data Channel (DPDCH)

Dedicated Physical Control Channel (DPCCH)

Physical Random Access Channel (PRACH)

Physical Common Packet Channel (PCPCH)

Common Pilot Channel (CPICH)

Primary Common Control Physical Channel (P-CCPCH)

Secondary Common Control Physical Channel (S-CCPCH)

Synchronisation Channel (SCH)

Physical Downlink Shared Channel (PDSCH)

Acquisition Indicatorion Channel (AICH)

Access Preamble Acquisition Indicator Channel (AP-AICH)

Paging Indicatorion Channel (PICH)

CPCH Status Indicator Channel (CSICH)

Collision-Detection/Channel-Assignment Indicator Channel (CD/CA-ICH)

Channel-Assignment Indication Channel (CA-ICH

MAC(TB/TBS)MAC

CRCDTX(TrCH)

12.2kb/s AMR

DCH(3.4kb/s)

16 bits

Tail bit attachment

148

148

(516+NRM)*B+NDI

(516+NRM)*B+NDI

* Insertion of DTX indication is used only if the position of the TrCHs in the radio frame is fixed.

164*B

[ (129+NRM)*B+NDI]/4

To TrCh Multiplexing

[ (129+NRM)*B+NDI]/4

#2

[ (129+NRM)*B+NDI]/4

#1

Radio frame segmentation

#4

1st interleaving

B TrBks (B =0,1)

164*B

8*B

Tail

TrBk concatination

516*B

[ (129+NRM)*B+NDI]/4

Rate matching

(516+NRM)*B

Convolutional coding R=1/3

Insertion of DTX indication*

#3

CRC

CRC attachment

Transport block

AMR

TrCH multiplexing

12.2 kbps data

3.4 kbps data

#2b

#1b

#2a

12.2 kbps data

#1a

#1b

#2b

#1c

slot

#1c

#1a

#3

CFN=4N+3

15

2

1

slot

#2c

#1c

#2b

1

#2c

#2b

Physical channel mapping

CFN=4N+2

15

2

1

#4

#3

#2

#1

slot

CFN=4N+1

TPC

Pilot symbol

slot

CFN=4N

15

2

1

30 ksps DPCH

#1c

510

15

2

510

#1a

#1

2nd interleaving

#2c

#2a

#4

510

#2c

#2a

#1b

#2

#2a

510

#1a

#1b

TBCRCCRCTBCRC08121624TrCH()TB,CRC;TB,TB SIZE=0,CRC,CRC0.CRC,

TBTBTTITBCRC,:TBS SIZE>504,Turbo:TBS SIZE>5114,:,"0"Turbo

(1/21/3),9,8Turbo(1/3),8(PCCC),6BCHPCHRACH1/2CPCHDCHDSCHFACH1/21/31/3TurboTurbo

TrCHCCTrCHTrCHEb/I0()RMiSFRMiTrCHEb/I0

()//,TrCH,TurboSFTTITrCH

DTXTrCHTrCH,1st DTX2nd DTX;TrCH,2nd DTXDTX,,SF,,,,1st DTXTrCHTTI,2nd DTXCCTrCHDTX0

1st2nd1stTrCHTTI2nd1stTTI,TTI=10ms1st1stTTI,1st:2nd30,.30,2nd: {0,20,10,5,15,25,3,13,23,8,18,28,1,11,21, 6,16,26,4,14,24,19,9,29,12,2,7,22,27,17}

:TTI>10msTrCH,TTIFi,TTIFi

TrCH(10ms)TrCH,CCTrCHCCTrCHTFCITrCHTTICCTrCH:CCTrCHTrCH;CCTrCHTrCH,CCTrCH;CCTrCHCFN

,CCTrCHSFDPCCHDPDCHDPCCHDPDCH,DTXDPCCH,TPCDPDCH,DPDCHCCTrCH,CCTrCH.DPCCH,CCTrCH,DPCCHSFCCTrCH.TPCTFCI.

One frame

(10 ms)

Transmission gap available for

inter-frequency measurements

channelizationSFOVSFOVSF

OVSFCch,SF,k, SF k , 0 < k

224n

LSB

MSB

clong,2,n

clong,1,n

224n3

2

3

3

3

+

+

+

+

+

+

+

+

+

a(i)

cshort,1,n(i)

cshort,2,n(i)

Mapper

mod 4

+

6

5

3

2

1

4

7

0

(i)

n

z

multiplication

mod 4

+

mod 2

2

6

5

3

2

1

b(i)

4

7

0

mod 2

2

6

5

3

2

1

d(i)

mod n addition

+

4

7

0

218-1 =2621430...8191

DPCCH/DPDCH1DPCCH06DPDCHcd1

DPCCH/DPDCH

DPDCH3

Q

DPDCH1

DPDCH5

I+jQ

j

(d

(d

cd,1

cd,5

Slong,n or Sshort,n

(d

cd,3

DPDCH2

(d

cd,2

DPCCH

(c

cc

DPDCH6

(d

cd,6

DPDCH4

(d

cd,4

(

(

I

PRACHmessage DPDCH/DPCCH

I

Q

PRACH message

data part

PRACH message

control part

I+jQ

j

(c

(d

cd

cc

Sr-msg,n

PCPCHmessage DPCCH/DPDCH

I

Q

PCPCH message

data part

PCPCH message

control part

I+jQ

j

(c

(d

cd

cc

Sc-msg,n

DPCCH/DPDCHDPCCHCc = Cch,256,0.DPDCHCd,1 = Cch,SF,k k=SF/4DPDCHDPDCH4DPDCHncd,n = Cch,4,k n12k=1n34k=3n56k=2PRACH message256cc = Cch,256,m m = 16(s - 1) + 15spreamblesignature1

DPCCH/DPDCHSlong,n(i) = Clong,n(i), i = 0, 1, , 38399Sshort,n(i) = Cshort,n(i), i = 0, 1, , 38399PRACH messagePRACH message10mspreambleSr-msg,n(i) = Clong,n(i + 4096), i = 0, 1, , 38399PCPCH 10mssignatureaccess preamble

SCHP-CCPCH

I

SCH

S

S(P

Cch,SF,m

j

Sdl,n

Q

I+jQ

S-SCH

GS

(

GP

G2

P-SCH

S

(

G1

OVSFCPICHCch,256,0 CCPCHCch,256,1UTRAN

218-1 =2621430...8191512 set115n=16*ii=0...511I16*i+k1...1551264group8j16*8*j+16*kj=0...63k=0...7CCTrCH

0151101155111651116151116158192512115

016316*8*6351264816*8*631616*8*63167

3.84Mbps

cos((t)

S

Im{S}

Re{S}

-sin((t)

WCDMAWCDMAWCDMA WCDMAWCDMA

SCH()CPICH()P-CCPCHPDSCHP-CCPCHSFNP-CCPCH

P-CCPCH, (SFN modulo 2) = 0

P-CCPCH, (SFN modulo 2) = 1

#0

Any CPICH

PICH for k:th S-CCPCH

k:th S-CCPCH

#1

SecondarySCH

#2

#3

#14

#13

#12

#11

#10

#9

#8

#7

#6

#5

#4

AICH access

slots

(PICH

n:th DPCH

(DPCH,n

10 ms

Any PDSCH

(S-CCPCH,k

PrimarySCH

DPCHDPCHP-CCPCH256tDPCH,n=Tn*256Tn={0,1,...149}UEDPCCH/DPDCHDPCCH/DPDCHT0(1024)UEUL DPCCH/DPDCHs

()DPCCHCRCUE1Node B1RL/

()Node B3

UESIRSIRtargetSIRtargetUEDPCCH/DPDCHSIRest TPCSIRest > SIRtarget TPC"0"SIRest < SIRtarget TPC"1"

-DPCCH/DPDCHUEUTRAN(SIR)SIRtargetDPCHSIRestTPCSIRest > SIRtargetTPC="0"SIRest < SIRtargetTPC="1"TPCUETPCTPC-cmd

-DPCCH/DPDCHUTRAN(SIR)SIRDPDCHDPCCHTPCTPC_cmd0DPCCHUEDPCCH

DPCCHDCHDPCCHDPDCHUE015DPCCH/DPDCHDPCCHDPDCHTFCTFCDPCCHDPDCH

DPCCH/DPDCHDPCCHDPDCHsDPCCHDPDCHDPCCHDPDCHDPCCHTFCITPCDPDCHPO1PO2PO3 dBCPCHDL DPCCHCCC

DPCCH/DPDCHUETPCDPCCHTPCUTRANTPCDPCCH/DPDCHDPDCH1dB0.5dBUETPCTPC"1"UTRANDPCCH/DPDCHTPC

DPCCH/DPDCHSIRSIRDPDCHDPCCHDPCCHSSDT

RACHRACH

-RACH ()1ASCRACH2RACHRACH3ASCSignature4Preamble_Retrans_Max

-RACH ()5Preamble_Initial_Power6Signature7SignatureAI1-1abSignaturecd106

-RACH ()8Signature9SignatureAICH3410

-CPCH CPCH

STTD(STTD4b0, b1, b2, b3STTD

TSTD(TSTD)SCH

acsi,0

acsi,14

acp

acsi,1

acp

Slot #2

Slot #14

Slot #1

(Tx OFF)

(Tx OFF)

(Tx OFF)

(Tx OFF)

(Tx OFF)

Antenna 2

Slot #0

(Tx OFF)

(Tx OFF)

Antenna 1

acp

(Tx OFF)

acp

acsi,2

DPCHPDSCHTXw1w2UEDPCCHFBIDUTRAN11DPCCH()22/DPCCH

()

Spread/scramble

w

1

w

2

D

P

CH

DPCCH

DPDCH

Rx

Rx

CPICH

1

Tx

CPICH

2

Ant

1

Ant

2

Tx

Weight Generation

w

1

w

2

Determine FBI message

from Uplink DPCCH

()UECPICHUE2UTRANUEUEUTRAN/(FSM)DPCCHFBIDUTRANDPCCH

FDSFSDF

Documents

WCDMA 无线接口技术