samblue 2006-8-7 20:16
25211-700-Physical channels & mapping of transport channels (FDD)
Contents
Foreword...........................................................................................................................................................5
1 Scope.......................................................................................................................................................6
2 References...............................................................................................................................................6
3 Symbols and abbreviations......................................................................................................................7
3.1 Symbols............................................................................................................................................................7
3.2 Abbreviations....................................................................................................................................................7
4 Services offered to higher layers..............................................................................................................8
4.1 Transport channels............................................................................................................................................8
4.1.1 Dedicated transport channels.......................................................................................................................8
4.1.1.1 DCH - Dedicated Channel......................................................................................................................8
4.1.1.2 E-DCH – Enhanced Dedicated Channel.................................................................................................8
4.1.2 Common transport channels........................................................................................................................8
4.1.2.1 BCH - Broadcast Channel......................................................................................................................8
4.1.2.2 FACH - Forward Access Channel..........................................................................................................8
4.1.2.3 PCH - Paging Channel...........................................................................................................................8
4.1.2.4 RACH - Random Access Channel..........................................................................................................8
4.1.2.5 Void.......................................................................................................................................................9
4.1.2.6 Void.......................................................................................................................................................9
4.1.2.7 HS-DSCH – High Speed Downlink Shared Channel.............................................................................9
4.2 Indicators..........................................................................................................................................................9
5 Physical channels and physical signals....................................................................................................9
5.1 Physical signals.................................................................................................................................................9
5.2 Uplink physical channels................................................................................................................................10
5.2.1 Dedicated uplink physical channels...........................................................................................................10
5.2.1.1 DPCCH and DPDCH...........................................................................................................................10
5.2.1.2 HS-DPCCH.........................................................................................................................................12
5.2.1.3 E-DPCCH and E-DPDCH....................................................................................................................13
5.2.2 Common uplink physical channels.............................................................................................................14
5.2.2.1 Physical Random Access Channel (PRACH).......................................................................................14
5.2.2.1.1 Overall structure of random-access transmission............................................................................14
5.2.2.1.2 RACH preamble part......................................................................................................................15
5.2.2.1.3 RACH message part........................................................................................................................15
5.2.2.2 Void.....................................................................................................................................................17
5.3 Downlink physical channels...........................................................................................................................17
5.3.1 Downlink transmit diversity......................................................................................................................17
5.3.1.1 Open loop transmit diversity................................................................................................................18
5.3.1.1.1 Space time block coding based transmit antenna diversity (STTD)...............................................18
5.3.1.1.2 Time Switched Transmit Diversity for SCH (TSTD).....................................................................19
5.3.1.2 Closed loop transmit diversity..............................................................................................................19
5.3.2 Dedicated downlink physical channels......................................................................................................19
5.3.2.1 STTD for DPCH and F-DPCH.............................................................................................................23
5.3.2.2 Dedicated channel pilots with closed loop mode transmit diversity.....................................................24
5.3.2.3 Void.....................................................................................................................................................25
5.3.2.4 E-DCH Relative Grant Channel...........................................................................................................25
5.3.2.5 E-DCH Hybrid ARQ Indicator Channel...............................................................................................27
5.3.2.6 Fractional Dedicated Physical Channel (F-DPCH)..............................................................................27
5.3.3 Common downlink physical channels........................................................................................................28
5.3.3.1 Common Pilot Channel (CPICH).........................................................................................................28
5.3.3.1.1 Primary Common Pilot Channel (P-CPICH)..................................................................................29
5.3.3.1.2 Secondary Common Pilot Channel (S-CPICH)..............................................................................29
5.3.3.2 Downlink phase reference....................................................................................................................29
5.3.3.3 Primary Common Control Physical Channel (P-CCPCH)...................................................................30
5.3.3.3.1 Primary CCPCH structure with STTD encoding............................................................................31
5.3.3.4 Secondary Common Control Physical Channel (S-CCPCH)...............................................................31 3GPP
R elease 7T 4 3GPP TS 25.211 V7.0.0 (2006-03)
5.3.3.4.1 Secondary CCPCH structure with STTD encoding........................................................................33
5.3.3.5 Synchronisation Channel (SCH)...........................................................................................................33
5.3.3.5.1 SCH transmitted by TSTD..............................................................................................................34
5.3.3.6 Void.....................................................................................................................................................34
5.3.3.7 Acquisition Indicator Channel (AICH).................................................................................................34
5.3.3.8 Void.....................................................................................................................................................35
5.3.3.9 Void.....................................................................................................................................................35
5.3.3.10 Paging Indicator Channel (PICH).........................................................................................................35
5.3.3.11 Void.....................................................................................................................................................36
5.3.3.12 Shared Control Channel (HS-SCCH)...................................................................................................36
5.3.3.13 High Speed Physical Downlink Shared Channel (HS-PDSCH)...........................................................36
5.3.3.14 E–DCH Absolute Grant Channel (E-AGCH).......................................................................................37
5.3.3.15 MBMS Indicator Channel (MICH)......................................................................................................38
6 Mapping and association of physical channels......................................................................................39
6.1 Mapping of transport channels onto physical channels...................................................................................39
6.2 Association of physical channels and physical signals....................................................................................39
7 Timing relationship between physical channels.....................................................................................40
7.1 General............................................................................................................................................................40
7.2 PICH/S-CCPCH timing relation......................................................................................................................41
7.3 PRACH/AICH timing relation........................................................................................................................41
7.4 Void................................................................................................................................................................42
7.5 Void................................................................................................................................................................42
7.6 DPCCH/DPDCH timing relations...................................................................................................................42
7.6.1 Uplink........................................................................................................................................................42
7.6.2 Downlink...................................................................................................................................................42
7.6.3 Uplink/downlink timing at UE...................................................................................................................43
7.7 Uplink DPCCH/HS-DPCCH/HS-PDSCH timing at the UE............................................................................43
7.8 HS-SCCH/HS-PDSCH timing.........................................................................................................................43
7.9 MICH/S-CCPCH timing relation.....................................................................................................................44
7.10 E-HICH/P-CCPCH/DPCH timing relation......................................................................................................44
7.11 E-RGCH/P-CCPCH/DPCH timing relation.....................................................................................................45
7.12 E-AGCH/P-CCPCH timing relation................................................................................................................45
7.13 E-DPDCH/E-DPCCH/DPCCH timing relation...............................................................................................46
Annex A (informative): Change history...............................................................................................47