查看完整版本: 25321-700-Medium Access Control (MAC) protocol specification

25321-700-Medium Access Control (MAC) protocol specification

25321-700-Medium Access Control (MAC) protocol specification.pdf

Contents
Foreword ...........................................................................................................................................................6
1 Scope.......................................................................................................................................................7
2 References ...............................................................................................................................................7
3 Definitions and abbreviations..................................................................................................................8
3.1 Definitions ........................................................................................................................................................ 8
3.1.1 HS-DSCH Specific Definitions.................................................................................................................... 8
3.1.2 E-DCH Specific Definitions........................................................................................................................ 8
3.2 Abbreviations.................................................................................................................................................... 9
4 General ..................................................................................................................................................10
4.1 Objective......................................................................................................................................................... 10
4.2 MAC architecture ........................................................................................................................................... 10
4.2.1 MAC Entities ............................................................................................................................................ 10
4.2.2 MAC-b ...................................................................................................................................................... 11
4.2.3 Traffic Related Architecture - UE Side...................................................................................................... 11
4.2.3.1 MAC-c/sh/m entity – UE Side.............................................................................................................. 12
4.2.3.2 MAC-d entity – UE Side ...................................................................................................................... 15
4.2.3.3 MAC-hs entity – UE Side..................................................................................................................... 16
4.2.3.4 MAC-e/es entity – UE Side .................................................................................................................. 17
4.2.4 Traffic Related Architecture - UTRAN Side.............................................................................................. 18
4.2.4.1 MAC-c/sh/m entity – UTRAN Side ..................................................................................................... 19
4.2.4.2 MAC-d entity – UTRAN Side.............................................................................................................. 20
4.2.4.3 MAC-hs entity – UTRAN Side ............................................................................................................ 22
4.2.4.4 MAC-es entity – UTRAN Side............................................................................................................. 23
4.2.4.5 MAC-e entity – UTRAN Side .............................................................................................................. 24
4.3 Channel structure ............................................................................................................................................ 25
4.3.1 Transport channels .................................................................................................................................... 25
4.3.2 Logical Channels....................................................................................................................................... 25
4.3.2.1 Logical channel structure...................................................................................................................... 26
4.3.2.2 Control Channels ................................................................................................................................. 26
4.3.2.3 Traffic Channels .................................................................................................................................. 26
5 Services provided to upper layers ..........................................................................................................26
5.1 Description of Services provided to upper layers ............................................................................................ 27
6 Functions ...............................................................................................................................................27
6.1 Description of the MAC functions................................................................................................................... 27
6.2 Relation between MAC Functions and Transport Channels............................................................................ 28
6.2.1 Relation between MAC Functions and Transport Channels in UTRAN.................................................... 28
6.2.2 Relation of MAC Functions and Transport Channels in UE...................................................................... 29
7 Services expected from physical layer ...................................................................................................29
8 Elements for layer-to-layer communication...........................................................................................29
8.1 Primitives between layers 1 and 2 ................................................................................................................... 30
8.1.1 Primitives .................................................................................................................................................. 30
8.1.2 Parameters................................................................................................................................................. 30
8.2 Primitives between MAC and RLC ................................................................................................................. 30
8.2.1 Primitives .................................................................................................................................................. 30
8.2.2 Parameters................................................................................................................................................. 31
8.3 Primitives between MAC and RRC................................................................................................................. 32
8.3.1 Primitives .................................................................................................................................................. 32
8.3.2 Parameters................................................................................................................................................. 32
9 Elements for peer-to-peer communication.............................................................................................34
9.1 Protocol data units .......................................................................................................................................... 34
9.1.1 General ...................................................................................................................................................... 34
3GPP
Release 7 4 3GPP TS 25.321 V7.0.0 (2006-03)
9.1.2 MAC PDU (not HS-DSCH or E-DCH) ..................................................................................................... 34
9.1.3 MAC-d PDU (HS-DSCH).......................................................................................................................... 34
9.1.4 MAC PDU (HS-DSCH) ............................................................................................................................. 34
9.1.5 MAC PDU (E-DCH)................................................................................................................................. 35
9.2 Formats and parameters .................................................................................................................................. 36
9.2.1 MAC PDU: Parameters of the MAC PDU header (not HS-DSCH or E-DCH) and MAC-d PDU
header (HS-DSCH and E-DCH)................................................................................................................. 36
9.2.1.1 MAC header for DTCH and DCCH (not mapped on HS-DSCH or E-DCH)....................................... 39
9.2.1.1a MAC-d Header for DTCH and DCCH (mapped on HS-DSCH).......................................................... 40
9.2.1.1b MAC-d Header for DTCH and DCCH (mapped on E-DCH)............................................................... 40
9.2.1.2 MAC header for BCCH........................................................................................................................ 40
9.2.1.3 MAC header for PCCH ........................................................................................................................ 41
9.2.1.4 MAC header for CCCH........................................................................................................................ 41
9.2.1.5 MAC Header for CTCH ....................................................................................................................... 41
9.2.1.6 MAC Header for SHCCH..................................................................................................................... 41
9.2.2 MAC PDU: Parameters of the MAC header (HS-DSCH).......................................................................... 42
9.2.2.1 MAC header for DTCH and DCCH..................................................................................................... 43
9.2.3 Signalling of Transport Block size for HS-DSCH ..................................................................................... 43
9.2.3.1 Transport block size for FDD............................................................................................................... 43
9.2.3.2 Transport block size for 3.84 Mcps TDD............................................................................................. 44
9.2.3.2a Transport block size for 7.68 Mcps TDD............................................................................................. 47
9.2.3.3 Transport block size for 1.28 Mcps TDD............................................................................................. 50
9.2.4 MAC PDU: Parameters of the MAC header (E-DCH) .............................................................................. 52
9.2.4.1 MAC-es header parameters .................................................................................................................. 52
9.2.4.2 MAC-e header parameters.................................................................................................................... 52
9.2.5 Signaling of control information for E-DCH ............................................................................................. 53
9.2.5.1 HARQ information.............................................................................................................................. 53
9.2.5.2 DL Scheduling information .................................................................................................................. 53
9.2.5.2.1 Relative Grants ............................................................................................................................... 53
9.2.5.2.2 Absolute Grant............................................................................................................................... 55
9.2.5.3 UL Scheduling information .................................................................................................................. 55
9.2.5.3.1 Happy Bit....................................................................................................................................... 55
9.2.5.3.2 Scheduling Information .................................................................................................................. 55
9.2.5.4 Transport block size ............................................................................................................................. 57
10 Handling of unknown, unforeseen and erroneous protocol data............................................................58
11 Specific functions..................................................................................................................................59
11.1 Traffic volume measurement for dynamic radio bearer control....................................................................... 59
11.2 Control of RACH transmissions ...................................................................................................................... 59
11.2.1 Access Service Class selection................................................................................................................... 59
11.2.2 Control of RACH transmissions for FDD mode ........................................................................................ 60
11.2.3 Control of RACH transmissions for TDD.................................................................................................. 63
11.2.3.1 Control of RACH transmissions for 3.84 Mcps TDD and 7.68 Mcps TDD......................................... 63
11.2.3.2 Control of RACH Transmissions for 1.28 Mcps TDD......................................................................... 64
11.3 Void ................................................................................................................................................................ 66
11.4 Transport format combination selection in UE (non E-DCH) ......................................................................... 66
11.5 Ciphering ........................................................................................................................................................ 68
11.6 Control of HS-DSCH transmission and reception ........................................................................................... 68
11.6.1 Network operation..................................................................................................................................... 68
11.6.1.1 Scheduler ............................................................................................................................................. 69
11.6.1.2 HARQ entity........................................................................................................................................ 69
11.6.1.3 HARQ process..................................................................................................................................... 69
11.6.2 UE operation ............................................................................................................................................. 70
11.6.2.1 HARQ Entity ....................................................................................................................................... 70
11.6.2.2 HARQ process..................................................................................................................................... 70
11.6.2.3 Reordering entity ................................................................................................................................. 71
11.6.2.3.1 Definitions ..................................................................................................................................... 71
11.6.2.3.2 Reordering functionality ................................................................................................................. 72
11.6.2.4 Disassembly entity............................................................................................................................... 73
11.6.2.5 MAC-hs Reset ..................................................................................................................................... 73
11.6.2.6 Reconfiguration of MAC-hs parameters............................................................................................... 74
3GPP
Release 7 5 3GPP TS 25.321 V7.0.0 (2006-03)
11.7 HS-DSCH Provided Bit Rate measurement..................................................................................................... 74
11.8 Control of E-DCH transmission and reception ................................................................................................ 75
11.8.1 UE operation ............................................................................................................................................. 75
11.8.1.1 HARQ Operation ............................................................................................................................ 75
11.8.1.1.1 HARQ entity .................................................................................................................................. 75
11.8.1.1.2 HARQ process ............................................................................................................................... 75
11.8.1.2 Multiplexing and TSN setting entity .................................................................................................... 76
11.8.1.2.1 TSN setting process operation ........................................................................................................ 76
11.8.1.3 Serving Grant Update ........................................................................................................................... 77
11.8.1.3.1 Baseline Procedure......................................................................................................................... 77
11.8.1.3.2 Handling at start of E-DCH transmission ....................................................................................... 78
11.8.1.3.3 Handling at serving cell change ...................................................................................................... 79
11.8.1.3.4 Handling at TTI change .................................................................................................................. 79
11.8.1.3.5 Higher Layer Signalling.................................................................................................................. 79
11.8.1.4 E-TFC Selection .................................................................................................................................. 79
11.8.1.5 Happy Bit Setting ................................................................................................................................ 81
11.8.1.6 Scheduling Information reporting......................................................................................................... 82
11.8.1.6.1 Report Triggering when SG = “Zero_Grant” or all processes are deactivated ............................... 82
11.8.1.6.2 Report Triggering when SG <> “Zero_Grant” and at least one process is activated ...................... 82
11.8.1.7 MAC-es/e Reset................................................................................................................................... 83
11.8.2 Node B operation ...................................................................................................................................... 83
11.8.2.1 HARQ Operation................................................................................................................................. 83
11.8.2.1.1 HARQ entity .................................................................................................................................. 83
11.8.2.1.2 HARQ process ............................................................................................................................... 83
11.8.2.2 De-multiplexing................................................................................................................................... 84
11.8.2.3 Scheduler ............................................................................................................................................. 84
11.8.2.4 E-DCH Provided Bit Rate measurement .............................................................................................. 84
11.8.3 RNC operation .......................................................................................................................................... 84
11.8.3.1 Re-ordering entity................................................................................................................................ 84
Annex A (normative): HS-DSCH Transport Block Size Table for FDD...................................................85
Annex B (normative): E-DCH Transport Block Size Tables for FDD.............................................................87
B.1 2ms TTI E-DCH Transport Block Size Table 0............................................................................................... 87
B.2 2ms TTI E-DCH Transport Block Size Table 1............................................................................................... 87
B.3 10ms TTI E-DCH Transport Block Size Table 0............................................................................................. 88
B.4 10ms TTI E-DCH Transport Block Size Table 1............................................................................................. 89
Annex C (informative): Pseudo-Code for E-TFC Selection........................................................................90
Annex D (informative): Change history .......................................................................................................91