1、ETSI TR 125 944 V4.1.0 (2001-06) Technical Report Universal Mobile Telecommunications System (UMTS); Channel coding and multiplexing examples (3GPP TR 25.944 version 4.1 .O Release 4) 3GPP TR 25.944 version 4.1.0 Release 4 1 Reference RT R/TS G R- O 1 25944 UV R 1 Keywords UMTS ETSI 650 Route des Lu
2、cioles F-O6921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 O0 Fax: +33 4 93 65 47 16 Siret No 348 623 562 O0017 - NAF 742 C Association but non lucratif enregistre la Sous-prfecture de Grasse (06) No 7803/88 Important notice ETSI TR 125 944 V4.1.0 (2001-06) Individual copies of the present
3、document can be downloaded from: htttx/w.etsi. org The present document may be made available in more than one electronic version or in print. In any ase of existing c perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of disp
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5、TSI documents is available at hi%:i/wc%lw.esi.or/b/slatis/ If you find errors in the present document, send your comment to: ed itoretsi .fr Copyright No tification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproductio
6、n in all media. O European Telecommunications Standards Institute 2001. All rights reserved. ETSI 3GPP TR 25.944 version 4.1.0 Release 4 2 ETSI TR 125 944 V4.1.0 (2001-06) Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The
7、 information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR O00 3 14: “Intellectual Property Rights (IPRs); Essential, orpotentially Essential, IPRs notjed to ETSI in respect OfETSIstandards“, which is available from th
8、e ETSI Secretariat. Latest updates are available on the ETSI Web server (-). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR O00 3 14 (or the updates on the
9、ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Report (TR) has been produced by the ETSI 3d Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS
10、 identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under www.etsi.ordkey . ETSI 3GPP TR 25.944 version 4.1.0 Release 4 3 ETSI TR 125 944 V4.1.0 (2001-06) C
11、ontents Foreword 4 1 Scope 5 2 References 5 3 Abbreviations . 5 4 4.1 FDD mode . . 4.1.1 Downli nk. . 4.1.1.1 BCH Channel coding and multiplexing examples 6 . 8 . 4.1.1.3 Example for DCH . . 10 4.1.1.3.1 DCH- Radio frame segmentation . 10 4.1.1.3.2 TrCh multiplexing - Physical channel mapping . . 18
12、 4.1.2.2 Example for DCH . . 26 4.1.2.2.1 DCH - Radio frame segmentation . . 26 4.1.2.2.2 TrCH multiplexing - Physical channel mapping . . 32 4.2 TDD mode 3.84Mcps TDD option . 38 4.2.1 Downlink 38 4.2.1.1 BCH . 38 4.2.1.2 Example for PCH and FACH . 39 4.2.1.3 Example for DCH . 41 4.2.1.3.1 DCH- Rad
13、io frame segmentation 41 . 25 . 25 48 55 55 55 55 56 4.3 TDD mode 1.28Mcps TDD option 62 4.3.1 Downlink . 62 4.3.1.1 BCH 62 4.3.1.2 Example for PCH and FACH 63 4.3.1.3 Coding of FPACH . 64 4.3.1.4 Example for DCH 64 4.3.2 Uplink 73 4.3.2.1 RACH 73 4.3.2.2 Example for DCH 74 4.3.2.2.1 DCH- Radio fram
14、e s 74 4.3.2.2.2 TrCH multiplexing - ng . .75 Annex A (informative): Change history . 80 64 TrCH multiplexing - Physical channel mapping 65 4.3.1.4.2 ETSI 3GPP TR 25.944 version 4.1.0 Release 4 4 ETSI TR 125 944 V4.1.0 (2001-06) Foreword This Technical Report (TR) has been produced by the 3d Generat
15、ion Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modiSl the contents of the present document, it will be re-released by the TSG with an identiSling change of release date an
16、d an increase in version number as follows: Version x.y.z where : x the fiist digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical
17、enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI 3GPP TR 25.944 version 4.1.0 Release 4 5 ETSI TR 125 944 V4.1.0 (2001-06) 1 Scope The present document describes examples of channel coding and multiplex
18、ing for physical channels of FDD mode and TDD mode. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document . References are either specific (identified by date of publication, edition number, version number, etc.)
19、or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the s
20、ame Release as theyresent document. 3GPP TS 25.211: (FDD)“. 3GPP TS 25.212: 3GPP TS 25.213: 3GPP TS 25.214: 3GPP TS 25.215: 3GPP TS 25.221: (TDD)“. 3GPP TS 25.222: 3GPP TS 25.223: 3GPP TS 25.224: 3GPP TS 25.225: “Physical channels and mapping of transport channels onto physical channels “Multiplexin
21、g and channel coding (FDD)“. “Spreading and modulation (FDD)“. “Physical layer procedures (FDD)“. “Physical layer Measurements (FDD)“. “Physical channels and mapping of transport channels onto physical channels “Multiplexing and channel coding (TDD)“. “Spreading and modulation (TDD)“. “Physical laye
22、r procedures (TDD)“. “Physical layer Measurements (TDD)“. 3 Abbreviations For the purposes of the present document, the following abbreviations apply: BCH cc CCPCH CRC DCH DCCH DL DPCH DPCCH DPDCH FACH FDD MA Mcps Broadcast Channel Convolutional coding Common Control Physical Channel Cyclic Redundan
23、cy Code Dedicated Channel Dedicated Control Channel Downlink Dedicated Physical Channel Dedicated Physical Control Channel Dedicated Physical Data Channel Forward Access Channel Frequency Division Duplex Midamble Mega Chip Per Second ETSI 3GPP TR 25.944 version 4.1.0 Release 4 6 Transport block size
24、 CRC Coding TTI PCCPCH PCH PRACH RACH SF SCCPCH TDD TFCI TPC TrBk TrCh TTI UL 246 16 bits CC, coding rate = 1/2 20 ms Primary Common Control Physical Channel Paging Channel Physical Random Access Channel Random Access Channel Spreading Factor Secondary Common Control Physical Channel Time Division D
25、uplex Transport Format Combination Indicator Transmit Power Control Transport Block Transport Channel Transmission Time Interval Uplink ETSI TR 125 944 V4.1.0 (2001-06) 4 Channel coding and multiplexing examples Following examples of channel coding and multiplexing is according to reference 2 and 7.
26、 If there are any contradictions between following examples and the references, the present document should be corrected according to the references unless it is clear that the contradiction comes from error in the references. Number and variables in following figures show the number of bits in corr
27、esponding fields. 4.1 FDD mode 4.1 .I Downlink 4.1.1.1 BCH Table 1 : Parameters for BCH The number of codes II CF I756 ETSI 3GPP TR 25.944 version 4.1.0 Release 4 7 CRC ETSI TR 125 944 V4.1.0 (2001-06) Tail Transport block I I CRC, and Tail attachment Convolutional coding R=1/2 Rate Matching ist int
28、erleaving Radio frame segmentation ! ! 246 ! ! 540 2nd interleaving Physical channel mapping PCCPCH 4 Radio fi-ame Radio frame F Figure 1: Channel coding for BCH ETSI 3GPP TR 25.944 version 4.1.0 Release 4 8 4.1 .I .2 ETSI TR 125 944 V4.1.0 (2001-06) Example for PCH and FACH Table 2: Parameter examp
29、les for PCH and FACH ETSI 3GPP TR 25.944 version 4.1.0 Release 4 9 ETSI TR 125 944 V4.1.0 (2001-06) PCH FACH1 FACH2 Transport block n 0 j 168 j CRC attachment j NPCH-TB j j 360 j 360 16 BFACH TrBks FACHI =O, 1) TrBk concatenation - j 376*BF4, j Tail bit attachment for CC J. CC R=1/2 or TC n Tail J.
30、Tail bit attachment for TC Tail Rate matching TrCH multiplexing Insertion of DTX indica ion 2nd interleaving s. Physical channel mapping i: : .: ji SCCPCH 0000000000000000 Figure 2: Channel coding and multiplexing example for PCH and FACH ETSI 3GPP TR 25.944 version 4.1.0 Release 4 Transport block s
31、ize Transport block set size CRC 10 148 bits 148*B bits (B=O, 1) 16 bits ETSI TR 125 944 V4.1.0 (2001-06) 4.1 .I .3 Example for DCH 4.1.1.3.1 DCH- Radio frame segmentation 4.1 .I .3.1 .I NOTE: NOTE: Example for 3.4 kbps data This example can be applied to DCCH. In this example, it is assumed that ma
32、ximum data rate of RLC payload is 3.4 kbps, and that MAC and RLC overhead in a transport block is 12 bits. Table 3: Parameter examples for 3.4 kbps data I Coding I CC, coding rate = 1/3 ETSI 3GPP TR 25.944 version 4.1.0 Release 4 11 ETSI TR 125 944 V4.1.0 (2001-06) Transport bloc14 I CRC attachment
33、TrBk concatination Tail bit attachment J. Convolutional coding R= 1/3 Rate matching Insertion of DTX indication* 1 st interleaving 148 CRC 148 16 bits B TrBlts (B =O,l) 164*B ITaill 5 16*B I (5 16+Nw)*B Radio frame segmentation (5 16fNw)*BfN1/ 4 (5 +N)*B+NDI/ (5 +N)*B+NDI/ (5 16fNw)*BfN1/ 4 4 4 To T
34、rCh Multiplexing * Insertion of DTX indication is used only if the position of the TrCHs in the radio frame is fixed. Figure 3: Channel coding and multiplexing example for 3.4 kbps data ETSI 3GPP TR 25.944 version 4.1.0 Release 4 12 The number of TrChs Transport block size TrCH#a TrCH#b TrCH#c TFCS
35、#I #2 #3 CRC CRC parity bit attachment for O bit transport block Coding TTI ETSI TR 125 944 V4.1.0 (2001-06) 3 O, 39 or 81 bits 103 bits 60 bits NTcH=I *8I, NTrCHb=I *I 03, NTrCHc=I *6O bits NTrCHa=I *39, NTrCHb=O*I 03, Nrcc=O*60 bits NTrCHa=I *O, NTrCHb=O*I 03, Nrcc=O*60 bits 12 bits (attached only
36、 to TrCh#a) Applied only to TrCH#a cc, coding rate = 1/3 for TrCh#a, b coding rate = 1/2 for TrCh#c 70 ms 4.1 .I .3.1.2 NOTE: Example for 12.2 kbps data This example can be applied to AMR speech. Table 4: Parameter examples for 12.2 kbps data Transport block I TrCh#a I CRC attachment* i NTrCHa i J.
37、Tail bit attachment* NTCH 12 i J. Convolutional coding R=1/3, 112 Rate matching J. Insertion of DTX indication ist interleaving J. 1 n Radio frame segment ation To TrCh Multiplexing * CRC and tail bits for TrCH#a is attached even if NTrcha=O bits since CRC parity bit attachment for O bit transport b
38、lock is applied. Figure 4: Channel coding and multiplexing example for 12.2 kbps data ETSI 3GPP TR 25.944 version 4.1.0 Release 4 13 The number of TrChs Transport block size Transport block 28.8 kbps Set size 57.6 kbos ETSI TR 125 944 V4.1.0 (2001-06) 1 576 bits 576*B bits (B = O, 1, 2) 576*B bits I
39、B = O. I. 2. 3. 4) 4.1 .I .3.1.3 NOTE: Example for 28.8E7.6 kbps data This example can be applied to Modem or FAX. Table 5: Parameters for 28.8E7.6 kbps data Coding TTI I40 ms I Turbo coding, coding rate = 1/3 Transport block I CRC attachment I I 576 TrBk concatenation Turbo coding R=1/3 Tail bit at
40、tachment J. Rate matching ist interleaving Radio frame segmentation 576 16 592“ B 1776“B Tail 1776“B 12*rB/$I . 1776“ B+12“1 B/4 I+Nm 1776“ B +li,*l B/4 I+Nm : .: I # I I I I, . i #2 #3 #4 (1776“ B +12 (1776“ B +12 (1776“ B +12 (1776“ B +12 “rB/41+Nm)/4 *rB/41+Nm)/4 *rB/41+Nm)/4 “rB/41+Nm)/4 + To Tr
41、Ch Multiplexing Figure 5: Channel coding and multiplexing example for 28.8E7.6 kbps data ETSI 3GPP TR 25.944 version 4.1.0 Release 4 14 The number of TrChs Transport block size Transport block Set size CRC Coding TTI 64 kbps 128 kbps 144 kbps ETSI TR 125 944 V4.1.0 (2001-06) 1 336 bits 336*B bits (B
42、 = O, 1, 2, 3, 4) 336*B bits (B = O, 1, 2, 4, 8) 336*B bits (B = O, 1, 2, 4, 8, 9) 16 bits Turbo coding, coding rate = 1/3 20 ms 4.1 .I .3.1.4 Example for 64/128/144 kbps packet data #1 NOTE: In this example, it is assumed that maximum data rate of RLC payload is 64/128/144 kbps, and MAC and RLC ove
43、rhead in a transport block is 16 bits. #2 Table 6: Parameters for 64/128/144 kbps packet data Transport block I I CRC attachment TrBk concatenation Turbo coding R=1/3 J. Tail bit attachment J. Rate matching ist interleaving Radio frame segmentation ! I 336 CRC 336 16 B TrBks 352“ B 1 1056“B Tail 105
44、6“B 12*rB/$ 1056“ B+12“1 B/9 I+“ 1056“ B +l%*I i L, B/9 I+Nm To TrCh Multiplexing Figure 6: Channel coding and multiplexing example for 64/128/144 kbps packet data ETSI 3GPP TR 25.944 version 4.1.0 Release 4 15 The number of TrChs Transport block size Transport block Set size CRC Coding TTI ETSI TR
45、125 944 V4.1.0 (2001-06) 1 336 bits 336*B bits (B = O, 1, 2, 4, 8, 12 for TTI=10 ms, B = O, 1, 2,4, 8, 12, 16, 20, 24 for TTI=20 ms) 16 bits Turbo coding, coding rate = 1/3 10 or 20 ms 4.1 .I .3.1.5 Example for 384 kbps packet data NOTE: In this example, it is assumed that maximum data rate of RLC p
46、ayload is 384kbps, and MAC and RLC overhead in a transport block is 16 bits. Table 7: Parameters for 384 kbps packet data CRC attachment TrBk concatenation Turbo coding R=1/3 Tail bit attachment J. Rate matching J. ist interleaving ! I 336 CRC 336 16 (B=O, 1,2,4,8, 12) I, 352“ B ITaill 1056“B 12“rB/
47、kL 1056“ B+12“1 B/12 1056“ B +12“1 B/12 To TrCh Multiplexing Figure 7: Channel coding and multiplexing example for 384 kbps packet data in case of TTI=10 ms ETSI 3GPP TR 25.944 version 4.1.0 Release 4 16 Transport block m #1 CRC attachment #2 I I 336 TrBk concatenation Code block segmentation J. Tur
48、bo coding R=1/3 J. Tail bit attachment Rate matching ist interleaving Radio fiame segmentation J. CRC 336 16 B TrBks (B=O, 1,2,4, 8, 12, 16,20,24) ETSI TR 125 944 V4.1.0 (2001-06) 176“ B 176“ B I Il I 528“ B 528“ B 1056“ B+24“1 B/24 I +NM 1 I 1056“ B+24“/24 I +NM To TrCh Multiplexing Figure 8: Chann
49、el coding and multiplexing example for 384 kbps packet data in case of TTI=20 ms ETSI 3GPP TR 25.944 version 4.1.0 Release 4 #1 CRC 17 O O #4 CRC ETSI TR 125 944 V4.1.0 (2001-06) #1 4.1 .I .3.1.6 NOTE: Example for 64 kbps data This example can be applied to ISDN service. Table 8: Parameters for 64 kbps data The number of TrChs Transport block size 640 bits Transport block set size Codin 4*640 bits 16 bits o. #4 1 Transport block e e e CRC attachment TrBk concatenation Turbo coding R=1/3 Tail bit attachment Rate matchi
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