3GPP TS 25.212 3GPP协议标准 通信

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TS 25.212 V2.2.1 (1999-10)
Contents
Intellectual Property Rights .......................................................................................................................... 5 Foreword...................................................................................................................................................... 5 1 2 3
Multiplexing and channel coding (FDD)
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TS 25.212 V2.2.1 (1999-10)
Reference
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Keywords
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3GPP Postal address
Office address
Internet
secretariat@3gpp.org
Individual copies of thBiblioteka Baidus deliverable can be downloaded from
http://www.3gpp.org
Multiplexing and channel coding (FDD)
TSG RAN Meeting No.5 OCTOBER Kyongju, Korea
TSG RAN#5 (99)476
TSGR1#7(99)g09
TS 25.212 V2.3.0 (1999-10)
Technical Specification
3rd Generation Partnership Project (3GPP); Technical Specification Group (TSG) Radio Access Network (RAN); Working Group 1 (WG1); Multiplexing and channel coding (FDD)
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Multiplexing, channel coding and interleaving ..................................................................................... 9
4.1 General........................................................................................................................................................9 4.2 Transport-channel coding/multiplexing .......................................................................................................9 4.2.1 Error detection ..................................................................................................................................... 12 4.2.1.1 CRC Calculation............................................................................................................................. 12 4.2.1.2 Relation between input and output of the Cyclic Redundancy Check ............................................... 12 4.2.2 Transport block concatenation and code block segmentation ................................................................ 12 4.2.2.1 Concatenation of transport blocks ................................................................................................... 13 4.2.2.2 Code block segmentation ................................................................................................................ 13 4.2.3 Channel coding .................................................................................................................................... 13 4.2.3.1 Convolutional coding...................................................................................................................... 14 4.2.3.2 Turbo coding .................................................................................................................................. 15 4.2.4 Radio frame size equalisation ............................................................................................................... 19 4.2.5 1st interleaving ..................................................................................................................................... 19 4.2.5.1 Relation between input and output of 1st interleaving in uplink ....................................................... 20 4.2.5.2 Relation between input and output of 1st interleaving in downlink................................................... 20 4.2.6 Radio frame segmentation .................................................................................................................... 20 4.2.6.1 Relation between input and output of the radio frame segmentation block in uplink ........................ 20 4.2.6.2 Relation between input and output of the radio frame segmentation block in downlink.................... 21 4.2.7 Rate matching ...................................................................................................................................... 21 4.2.7.1 Determination of rate matching parameters in uplink...................................................................... 22 4.2.7.2 Determination of rate matching parameters in downlink ................................................................. 25 4.2.7.3 Bit separation for rate matching ...................................................................................................... 28 4.2.7.4 Rate matching pattern determination .............................................................................................. 29 4.2.7.5 Relation between input and output of the rate matching block in uplink .......................................... 30 4.2.7.6 Relation between input and output of the rate matching block in downlink...................................... 30 4.2.8 TrCH multiplexing............................................................................................................................... 30 4.2.9 Insertion of discontinuous transmission (DTX) indication bits.............................................................. 31 4.2.9.1 Insertion of DTX indication bits with fixed positions ...................................................................... 31 4.2.9.2 Insertion of DTX indication bits with flexible positions................................................................... 31 4.2.10 Physical channel segmentation ............................................................................................................. 31 4.2.10.1 Relation between input and output of the physical segmentation block in uplink ............................. 32 4.2.10.2 Relation between input and output of the physical segmentation block in downlink......................... 32 4.2.11 2nd interleaving..................................................................................................................................... 32 4.2.12 Physical channel mapping .................................................................................................................... 33 4.2.12.1 Uplink ............................................................................................................................................ 33 4.2.12.2 Downlink........................................................................................................................................ 33 4.2.13 Restrictions on different types of CCTrCHs .......................................................................................... 33 4.2.13.1 Uplink Dedicated channel (DCH).................................................................................................... 33 4.2.13.2 Random Access Channel (RACH)................................................................................................... 34 4.2.13.3 Common Packet Channel (CPCH) .................................................................................................. 34 4.2.13.4 Downlink Dedicated Channel (DCH) .............................................................................................. 34 4.2.13.5 Downlink Shared Channel (DSCH) associated with a DCH............................................................. 34 4.2.13.6 Broadcast channel (BCH)................................................................................................................ 34 4.2.13.7 Forward access and paging channels (FACH and PCH) .................................................................. 34
The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organisational Partners and shall not be implemented. This Specification is provided for future development work within 3GPP only. The Organisational Partners accept no liability for any use of this Specification. Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organisational Partners' Publications Offices.
3.1 3.2 3.3
Scope ................................................................................................................................................. 6 References.......................................................................................................................................... 6 Definitions, symbols and abbreviations ............................................................................................... 6
Definitions...................................................................................................................................................6 Symbols.......................................................................................................................................................7 Abbreviations ..............................................................................................................................................7