1、 ETSI TS 125 321 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); Medium Access Control (MAC) protocol specification (3GPP TS 25.321 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 125 321 V15.0.0 (2018-07)13GPP TS 25.321 version 15.0.0 Release 15Reference RTS/TSG
2、R-0625321vf00 Keywords UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present documen
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7、d without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTETMare trademarks
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9、ease 15Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000
10、314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investiga
11、tion, 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 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Trademarks The present document ma
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13、 present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specificat
14、ions or reports using their 3GPP identities, UMTS 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 http:/webapp.etsi.org/key/queryform.asp. Modal ve
15、rbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT a
16、llowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 125 321 V15.0.0 (2018-07)33GPP TS 25.321 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 8g31 Scope 9g32 References 9g33 Definitions and abbreviations .
17、 10g33.1 Definitions 10g33.1.1 HS-DSCH Specific Definitions 10g33.1.2 E-DCH Specific Definitions . 10g33.1.2.1 General 10g33.1.2.2 FDD. 11g33.1.3 DTX-DRX and HS-SCCH less Specific definitions (FDD only) . 12g33.1.4 HS-DSCH/E-DCH SPS Specific definitions (1.28 Mcps TDD only) . 12g33.1.5 Dual Cell E-D
18、CH Specific definitions (FDD only) 13g33.2 Abbreviations . 13g34 General . 14g34.1 Objective 14g34.2 MAC architecture . 14g34.2.1 MAC Entities 15g34.2.2 MAC-b 15g34.2.3 Traffic Related Architecture - UE Side . 16g34.2.3.1 MAC-c/sh/m entity UE Side 17g34.2.3.2 MAC-d entity UE Side . 19g34.2.3.3 MAC-h
19、s entity UE Side . 20g34.2.3.4 MAC-e/es entity UE Side . 22g34.2.3.5 MAC-ehs entity UE Side . 23g34.2.3.6 MAC-i/is entity UE Side 26g34.2.4 Traffic Related Architecture - UTRAN Side 29g34.2.4.1 MAC-c/sh/m entity UTRAN Side 30g34.2.4.2 MAC-d entity UTRAN Side 31g34.2.4.3 MAC-hs entity UTRAN Side . 33
20、g34.2.4.4 MAC-es entity UTRAN Side . 35g34.2.4.5 MAC-e entity UTRAN Side . 36g34.2.4.6 MAC-ehs entity UTRAN Side 37g34.2.4.7 MAC-is entity UTRAN Side 40g34.2.4.8 MAC-i entity UTRAN Side . 44g34.3 Channel structure 46g34.3.1 Transport channels 47g34.3.2 Logical Channels 47g34.3.2.1 Logical channel st
21、ructure 47g34.3.2.2 Control Channels . 48g34.3.2.3 Traffic Channels 48g35 Services provided to upper layers 48g35.1 Description of Services provided to upper layers . 48g36 Functions 48g36.1 Description of the MAC functions . 48g36.2 Relation between MAC Functions and Transport Channels 50g36.2.1 Re
22、lation between MAC Functions and Transport Channels in UTRAN 50g36.2.2 Relation of MAC Functions and Transport Channels in UE 51g37 Services expected from physical layer . 51g38 Elements for layer-to-layer communication . 51g3ETSI ETSI TS 125 321 V15.0.0 (2018-07)43GPP TS 25.321 version 15.0.0 Relea
23、se 158.1 Primitives between layers 1 and 2 52g38.1.1 Primitives 52g38.1.2 Parameters. 52g38.2 Primitives between MAC and RLC 52g38.2.1 Primitives 52g38.2.2 Parameters. 53g38.3 Primitives between MAC and RRC . 54g38.3.1 Primitives 54g38.3.2 Parameters. 55g39 Elements for peer-to-peer communication .
24、58g39.1 Protocol data units 58g39.1.1 General 58g39.1.2 MAC PDU (not HS-DSCH or E-DCH) 58g39.1.3 MAC-d PDU (HS-DSCH) 58g39.1.4 MAC PDU (HS-DSCH) 59g39.1.5 MAC PDU (E-DCH) 61g39.2 Formats and parameters 64g39.2.1 MAC PDU: Parameters of the MAC PDU header (not HS-DSCH or E-DCH) and MAC-d PDU header (H
25、S-DSCH and E-DCH) . 64g39.2.1.1 MAC header for DTCH and DCCH (not mapped on HS-DSCH or E-DCH) . 67g39.2.1.1a MAC-d Header for DTCH and DCCH (mapped on HS-DSCH) 67g39.2.1.1b MAC-d Header for DTCH and DCCH (mapped on E-DCH) . 68g39.2.1.1c MAC-d or MAC-c headers for DTCH and DCCH (mapped on HS-DSCH, FD
26、D and 1.28 Mcps TDD only) . 68g39.2.1.2 MAC header for BCCH 68g39.2.1.3 MAC header for PCCH . 69g39.2.1.4 MAC header for CCCH 69g39.2.1.5 MAC Header for CTCH 69g39.2.1.6 MAC Header for SHCCH . 69g39.2.2 MAC PDU: Parameters of the MAC header (HS-DSCH) 71g39.2.2.1 MAC header for DTCH and DCCH 72g39.2.
27、3 Signalling of Transport Block size for HS-DSCH 73g39.2.3.1 Transport block size for FDD 73g39.2.3.2 Transport block size for 3.84 Mcps TDD 75g39.2.3.2a Transport block size for 7.68 Mcps TDD 78g39.2.3.3 Transport block size for 1.28 Mcps TDD 81g39.2.4 MAC PDU: Parameters of the MAC header (E-DCH)
28、. 90g39.2.4.1 MAC-es header parameters . 90g39.2.4.2 MAC-e header parameters 90g39.2.4.3 MAC-is header parameters 91g39.2.4.4 MAC-i header parameters . 91g39.2.5 Signaling of control information for FDD E-DCH . 92g39.2.5.1 HARQ information 92g39.2.5.2 DL Scheduling information . 92g39.2.5.2.1 Relati
29、ve Grants 92g39.2.5.2.2 Absolute Grant 95g39.2.5.2.2a UL MIMO rank and offset. 96g39.2.5.3 UL Scheduling information . 96g39.2.5.3.1 Happy Bit 96g39.2.5.3.2 Scheduling Information . 96g39.2.5.3a UL MAC Control information 98g39.2.5.3a.1.1 Filtered UPH Report 99g39.2.5.3a.1.2 Ready to Switch . 99g39.
30、2.5.4 Transport block size 100g39.2.6 Signaling of control information for TDD E-DCH . 101g39.2.6.1 HARQ information 101g39.2.6.2 DL Scheduling information . 101g39.2.6.2.1 Absolute Grant 102g39.2.6.3 UL Scheduling Information 103g39.2.6.4 Transport block size 104g39.2.6.4.1 3.84 Mcps TDD Transport
31、Block Size 105g3ETSI ETSI TS 125 321 V15.0.0 (2018-07)53GPP TS 25.321 version 15.0.0 Release 159.2.6.4.2 7.68 Mcps TDD Transport Block Size 105g39.2.6.4.3 1.28 Mcps TDD Transport Block Size 106g39.2.6.5 Timing Advance and Synchronisation (3.84/7.68 Mcps TDD only) . 106g39.2.6.5.1 Unsynchronised Hand
32、over 106g39.2.6.5.2 Synchronisation . 106g39.2.6.5.3 Timing Advance Request 106g39.2.6.5.4 Timing Advance Response 106g310 Handling of unknown, unforeseen and erroneous protocol data 107g311 Specific functions . 108g311.1 Traffic volume measurement for dynamic radio bearer control . 108g311.2 Contro
33、l of RACH transmissions and Enhanced Uplink in CELL_FACH state and Idle mode transmissions 108g311.2.1 Access Service Class selection . 108g311.2.2 Control of RACH transmissions for FDD mode . 109g311.2.2A Control of Enhanced Uplink in CELL_FACH state and Idle mode for FDD mode . 112g311.2.3 Control
34、 of RACH transmissions for TDD 118g311.2.3.1 Control of RACH transmissions for 3.84 Mcps TDD and 7.68 Mcps TDD . 118g311.2.3.1.1 Control of E-RUCCH transmissions . 120g311.2.3.2 Control of RACH Transmissions for 1.28 Mcps TDD 121g311.2.3.2.1 Control of E-RUCCH transmissions . 122g311.2.3.2.1.1 Acces
35、s Service Class selection 123g311.2.3.2.1.2 Void . 123g311.3 Void 123g311.4 Transport format combination selection in UE (non E-DCH) 123g311.4.1 Transport Format Combination Transmission Mode Switching . 125g311.5 Ciphering 125g311.6 Control of HS-DSCH transmission and reception 126g311.6.1 Network
36、operation 126g311.6.1.1 Scheduler . 126g311.6.1.2 HARQ entity . 127g311.6.1.3 HARQ process 127g311.6.2 UE operation . 128g311.6.2.1 HARQ Entity. 128g311.6.2.2 HARQ process 128g311.6.2.3 Reordering entity . 129g311.6.2.3.1 Definitions . 129g311.6.2.3.2 Reordering functionality 130g311.6.2.4 Disassemb
37、ly entity 131g311.6.2.5 MAC-hs Reset . 131g311.6.2.6 Reconfiguration of MAC-hs parameters . 132g311.6.2.7 HARQ procedure for HS-SCCH less operation (FDD only) 132g311.6.2.8 HARQ procedure for HS-DSCH SPS operation (1.28 Mcps TDD only) 133g311.6.3 Network operation 134g311.6.3.1 Scheduler . 134g311.6
38、.3.2 HARQ entity . 136g311.6.3.3 HARQ process 136g311.6.4 UE operation . 137g311.6.4.1 HARQ Entity. 137g311.6.4.2 HARQ process 137g311.6.4.3 Disassembly entity 139g311.6.4.4 Reordering queue distribution entity . 139g311.6.4.5 Reordering entity . 139g311.6.4.5.1 Definitions . 139g311.6.4.5.2 Reorder
39、ing functionality 140g311.6.4.6 Reassembly unit 142g311.6.4.7 Demultiplexing entity 143g311.6.4.8 MAC-ehs Reset . 143g311.6.4.9 Reconfiguration of MAC-ehs parameters . 144g311.6.4.10 HARQ procedure for HS-SCCH less operation (FDD only) 145g311.6.4.11 HARQ procedure for HS-DSCH SPS operation (1.28 Mc
40、ps TDD only) 145g3ETSI ETSI TS 125 321 V15.0.0 (2018-07)63GPP TS 25.321 version 15.0.0 Release 1511.7 HS-DSCH Provided Bit Rate measurement . 147g311.8 Control of E-DCH transmission and reception (FDD) . 147g311.8.1 UE operation . 147g311.8.1.1 HARQ Operation . 147g311.8.1.1.1 HARQ entity 147g311.8.
41、1.1.2 HARQ process . 147g311.8.1.1.3 HARQ retransmission rules for uplink MIMO 149g311.8.1.2 Multiplexing and TSN setting entity . 149g311.8.1.2.1 TSN setting process operation . 149g311.8.1.2a Segmentation entity . 150g311.8.1.3 Serving Grant Update 150g311.8.1.3.1 Baseline Procedure 151g311.8.1.3.
42、2 Handling at start of E-DCH transmission 155g311.8.1.3.3 Handling at serving cell change . 156g311.8.1.3.4 Handling at TTI change . 156g311.8.1.3.5 Higher Layer Signalling 157g311.8.1.3.6 Handling in UE DTX Cycle 2 . 157g311.8.1.3a UL MIMO rank and offset update . 157g311.8.1.3a.1 Baseline procedur
43、e 157g311.8.1.3a.2 Handling at initiation of UL MIMO 158g311.8.1.3a.3 Handling at serving cell change . 158g311.8.1.4 E-TFC Selection 158g311.8.1.4a E-TFC Selection for uplink MIMO . 163g311.8.1.5 Happy Bit Setting 164g311.8.1.6 Scheduling Information reporting . 164g311.8.1.6.1 Report Triggering wh
44、en SG = “Zero_Grant“ or all processes are deactivated 166g311.8.1.6.2 Report Triggering when SG “Zero_Grant“ and at least one process is activated . 166g311.8.1.6.3 HARQ delivery failure for triggered Scheduling Information and UL MAC Control Information 167g311.8.1.6a Control Information reporting
45、. 167g311.8.1.6a.1 Filtered UPH Report 167g311.8.1.7 MAC-es/e Reset 168g311.8.1.8 Monitoring of Absolute and Relative Grant Channels 168g311.8.1.9 Release of common E-DCH resources (FDD only) 168g311.8.2 Node B operation 169g311.8.2.1 HARQ Operation 169g311.8.2.1.1 HARQ entity 169g311.8.2.1.2 HARQ p
46、rocess . 169g311.8.2.2 De-multiplexing 169g311.8.2.3 Scheduler . 169g311.8.2.4 E-DCH Provided Bit Rate measurement . 169g311.8.2.5 Determination of UE-ID (FDD only) and collision resolution 170g311.8.3 RNC operation 170g311.8.3.1 Re-ordering entity for DTCH/DCCH transmission . 170g311.8.3.2 Re-order
47、ing and CRC entity for CCCH transmission . 170g311.9 Control of E-DCH transmission and reception (TDD) . 170g311.9.1 UE operation . 170g311.9.1.1 HARQ Operation 170g311.9.1.1.1 HARQ entity 172g311.9.1.1.2 HARQ process . 172g311.9.1.2 Multiplexing and TSN setting entity . 174g311.9.1.2a Segmentation
48、entity . 174g311.9.1.3 Receiving a Grant 174g311.9.1.4 E-TFC Selection 174g311.9.1.4a Scheduling Information reporting (3.84/7.68 Mcps TDD only) 177g311.9.1.5 Scheduling Information reporting (1.28 Mcps TDD only) 177g311.9.1.5a Cell Reselection Indication in CELL_FACH state (1.28 Mcps TDD only) 179g
49、311.9.1.5b Common E-RNTI selection in CELL_FACH state and idle mode (1.28 Mcps TDD only) 179g311.9.1.6 MAC-es/e Reset (1.28 Mcps TDD only) . 180g311.9.2 Node B operation 180g311.9.2.1 HARQ Operation 180g311.9.2.1.1 HARQ entity 180g3ETSI ETSI TS 125 321 V15.0.0 (2018-07)73GPP TS 25.321 version 15.0.0 Release 1511.9.2.1.2 HARQ process . 180g311.9.2.2 De-multiplexing 180g311.9.2.3 Scheduler . 181g311.9.2.4 E-DCH Provided Bit Rate measurement . 181g311.9.3 RNC operation 181g311.9.3.1 Re-ordering entity for DTCH/DCCH transmission . 181g311.9.3.2 Re-orderin
