3GPP
3GPP TR 25.858 V5.0.0(2002-03) 3 Release 5
Contents
Foreword............................................................................................................................................................ 5
1 Scope ....................................................................................................................................................... 6
2 References ............................................................................................................................................... 6
3 Background and Introduction .................................................................................................................. 6
4 Basic physical layer structure of HS-DSCH............................................................................................ 6
4.1 HS-DSCH physical-layer structure in code domain ................................................................................................6
4.2 HS-DSCH physical-layer structure in time domain.................................................................................................6
5 Channel Coding and Modulation for HS-DSCH ..................................................................................... 7
5.1 CCTrCH and transport channels..............................................................................................................................7
5.2 Code block segmentation.........................................................................................................................................7
5.3 CRC Attachment......................................................................................................................................................7
5.4 Channel Coding .......................................................................................................................................................7
5.4.1 Channel Coding for Control Channels ...............................................................................................................7
5.4.2 Physical Layer Channel Coding Chain...............................................................................................................7
5.5 Physical-layer Hybrid-ARQ functionality ...............................................................................................................8
5.5.1 Parameter of First Rate Matching Stage (UE Buffer Rate Matching)................................................................9
5.5.2 Parameter of Second Rate Matching Stage (Channel Rate Matching)...............................................................9
5.5.2.1 HARQ bit collection.........................................................................................................................................10
5.6 DTX indication bits ...............................................................................................................................................11
5.7 Interleaving ............................................................................................................................................................11
5.8 Physical channel mapping......................................................................................................................................11
5.9 Bit re-arrangement for 16 QAM ............................................................................................................................12
5.10 Modulation .......................................................................................................................................................12
6 Link Adaptation..................................................................................................................................... 12
7 Hybrid ARQ .......................................................................................................................................... 12
7.1 Choice of Hybrid ARQ combining schemes..........................................................................................................12
7.2 Physical layer aspects of Hybrid ARQ ..................................................................................................................12
8 Associated Signalling ............................................................................................................................ 13
8.1 Downlink ...............................................................................................................................................................13
8.1.1 Overall Structure ..............................................................................................................................................13
8.1.2 Detailed Structure FDD....................................................................................................................................13
8.1.3 Detailed Structure TDD ...................................................................................................................................16
8.1.3.1 HS-SCCH.........................................................................................................................................................16
8.1.3.2 Associated Downlink DPCH............................................................................................................................17
8.1.3.3 Timing relations for the HS-DSCH related Downlink Signalling....................................................................17
8.1.3.4 HS-SCCH Coding ............................................................................................................................................17
8.1.3.4.1 1.28 Mcps TDD ..........................................................................................................................................17
8.1.3.4.2 3.84 Mcps TDD ..........................................................................................................................................18
8.1.3.5 HS-SCCH Power Control.................................................................................................................................19
8.1.4 Other aspects ....................................................................................................................................................19
8.2 Uplink ....................................................................................................................................................................19
8.2.1 Overall Structure ..............................................................................................................................................19
8.2.2 Detailed Structure FDD....................................................................................................................................19
8.2.2.1 HS-DSCH Associated Uplink Dedicated Control Channel..............................................................................19
8.2.2.2 Measurement feedback procedure....................................................................................................................20
8.2.2.2.1 UE procedure..............................................................................................................................................20
8.2.2.2.2 Parameters provided to the UE measurement feedback operation..............................................................21
8.2.2.2.3 Measurement feedback or Channel Quality Indicator (CQI) definition ..................................................21
8.2.2.3 Uplink DPCCH/HS-DPCCH timing relation ...................................................................................................21
8.2.3 Detailed Structure TDD ...................................................................................................................................22
8.2.3.1 HS-SICH ..........................................................................................................................................................22
8.2.3.2 Uplink DPCH...................................................................................................................................................23