ETSI TS 125 321 V7.11.0 (2009-01) Technical Specification Universal Mobile Telecommunications System (UMTS); Medium Access Control (MAC) protocol specification (3GPP TS 25.321 version 7.11.0 Release 7) 3GPP TS 25.321 version 7.11.0 Release 7 1 ETSI TS 125 321 V7.11.0 (2009-01) Reference RTS/TSGR-0225321v7b0 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 à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N° 7803/88 Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). 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ETSI 3GPP TS 25.321 version 7.11.0 Release 7 3 ETSI TS 125 321 V7.11.0 (2009-01) Contents Intellectual Property Rights................................................................................................................................2 Foreword.............................................................................................................................................................2 Foreword.............................................................................................................................................................7 1 Scope........................................................................................................................................................8 2 References................................................................................................................................................8 3 Definitions and abbreviations...................................................................................................................9 3.1 Definitions..........................................................................................................................................................9 3.1.1 HS-DSCH Specific Definitions....................................................................................................................9 3.1.2 E-DCH Specific Definitions.........................................................................................................................9 3.1.2.1 General....................................................................................................................................................9 3.1.2.2 FDD.......................................................................................................................................................10 3.1.3 DTX-DRX and HS-SCCH less Specific definitions (FDD only)...............................................................10 3.2 Abbreviations...................................................................................................................................................11 4 General...................................................................................................................................................12 4.1 Objective..........................................................................................................................................................12 4.2 MAC architecture.............................................................................................................................................12 4.2.1 MAC Entities..............................................................................................................................................12 4.2.2 MAC-b........................................................................................................................................................13 4.2.3 Traffic Related Architecture - UE Side.......................................................................................................14 4.2.3.1 MAC-c/sh/m entity – UE Side..............................................................................................................14 4.2.3.2 MAC-d entity – UE Side.......................................................................................................................17 4.2.3.3 MAC-hs entity – UE Side.....................................................................................................................18 4.2.3.4 MAC-e/es entity – UE Side...................................................................................................................20 4.2.3.5 MAC-ehs entity – UE Side...................................................................................................................21 4.2.4 Traffic Related Architecture - UTRAN Side..............................................................................................23 4.2.4.1 MAC-c/sh/m entity – UTRAN Side......................................................................................................23 4.2.4.2 MAC-d entity – UTRAN Side..............................................................................................................25 4.2.4.3 MAC-hs entity – UTRAN Side.............................................................................................................26 4.2.4.4 MAC-es entity – UTRAN Side.............................................................................................................28 4.2.4.5 MAC-e entity – UTRAN Side...............................................................................................................30 4.2.4.6 MAC-ehs entity UTRAN Side..............................................................................................................31 4.3 Channel structure..............................................................................................................................................33 4.3.1 Transport channels......................................................................................................................................33 4.3.2 Logical Channels........................................................................................................................................33 4.3.2.1 Logical channel structure......................................................................................................................33 4.3.2.2 Control Channels...................................................................................................................................34 4.3.2.3 Traffic Channels....................................................................................................................................34 5 Services provided to upper layers..........................................................................................................34 5.1 Description of Services provided to upper layers.............................................................................................35 6 Functions................................................................................................................................................35 6.1 Description of the MAC functions...................................................................................................................35 6.2 Relation between MAC Functions and Transport Channels............................................................................36 6.2.1 Relation between MAC Functions and Transport Channels in UTRAN....................................................36 6.2.2 Relation of MAC Functions and Transport Channels in UE......................................................................37 7 Services expected from physical layer...................................................................................................37 8 Elements for layer-to-layer communication...........................................................................................37 8.1 Primitives between layers 1 and 2....................................................................................................................38 8.1.1 Primitives....................................................................................................................................................38 8.1.2 Parameters...................................................................................................................................................38 8.2 Primitives between MAC and RLC..................................................................................................................38 8.2.1 Primitives....................................................................................................................................................38 ETSI 3GPP TS 25.321 version 7.11.0 Release 7 4 ETSI TS 125 321 V7.11.0 (2009-01) 8.2.2 Parameters...................................................................................................................................................39 8.3 Primitives between MAC and RRC.................................................................................................................40 8.3.1 Primitives....................................................................................................................................................40 8.3.2 Parameters...................................................................................................................................................41 9 Elements for peer-to-peer communication.............................................................................................42 9.1 Protocol data units............................................................................................................................................42 9.1.1 General........................................................................................................................................................42 9.1.2 MAC PDU (not HS-DSCH or E-DCH)......................................................................................................43 9.1.3 MAC-d PDU (HS-DSCH)..........................................................................................................................43 9.1.4 MAC PDU (HS-DSCH)..............................................................................................................................43 9.1.5 MAC PDU (E-DCH)..................................................................................................................................44 9.2 Formats and parameters....................................................................................................................................45 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).................................................................................................................45 9.2.1.1 MAC header for DTCH and DCCH (not mapped on HS-DSCH or E-DCH).......................................48 9.2.1.1a MAC-d Header for DTCH and DCCH (mapped on HS-DSCH)..........................................................49 9.2.1.1b MAC-d Header for DTCH and DCCH (mapped on E-DCH)...............................................................49 9.2.1.1c MAC Headers for DTCH and DCCH (mapped on HS-DSCH, FDD only)..........................................49 9.2.1.2 MAC header for BCCH........................................................................................................................50 9.2.1.3 MAC header for PCCH.........................................................................................................................50 9.2.1.4 MAC header for CCCH........................................................................................................................50 9.2.1.5 MAC Header for CTCH........................................................................................................................51 9.2.1.6 MAC Header for SHCCH.....................................................................................................................51 9.2.2 MAC PDU: Parameters of the MAC header (HS-DSCH)..........................................................................52 9.2.2.1 MAC header for DTCH and DCCH......................................................................................................54 9.2.3 Signalling of Transport Block size for HS-DSCH......................................................................................54 9.2.3.1 Transport block size for FDD................................................................................................................55 9.2.3.2 Transport block size for 3.84 Mcps TDD..............................................................................................57 9.2.3.2a Transport block size for 7.68 Mcps TDD..............................................................................................60 9.2.3.3 Transport block size for 1.28 Mcps TDD..............................................................................................63 9.2.4 MAC PDU: Parameters of the MAC header (E-DCH)...............................................................................66 9.2.4.1 MAC-es header parameters...................................................................................................................66 9.2.4.2 MAC-e header parameters....................................................................................................................67 9.2.5 Signaling of control information for FDD E-DCH.....................................................................................67 9.2.5.1 HARQ information................................................................................................................................67 9.2.5.2 DL Scheduling information...................................................................................................................67 9.2.5.2.1 Relative Grants................................................................................................................................67 9.2.5.2.2 Absolute Grant................................................................................................................................70 9.2.5.3 UL Scheduling information...................................................................................................................70 9.2.5.3.1 Happy Bit........................................................................................................................................70 9.2.5.3.2 Scheduling Information...................................................................................................................70 9.2.5.4 Transport block size..............................................................................................................................72 9.2.6 Signaling of control information for TDD E-DCH.....................................................................................73 9.2.6.1 HARQ information................................................................................................................................73 9.2.6.2 DL Scheduling information...................................................................................................................74 9.2.6.2.1 Absolute Grant................................................................................................................................74 9.2.6.3 UL Scheduling Information..................................................................................................................75 9.2.6.4 Transport block size..............................................................................................................................76 9.2.6.4.1 3.84 Mcps TDD Transport Block Size............................................................................................76 9.2.6.4.2 7.68 Mcps TDD Transport Block Size............................................................................................77 9.2.6.4.3 1.28 Mcps TDD Transport Block Size............................................................................................77 9.2.6.5 Timing Advance and Synchronisation (3.84/7.68 Mcps TDD only).....................................................78 9.2.6.5.1 Unsynchronised Handover..............................................................................................................78 9.2.6.5.2 Synchronisation...............................................................................................................................78 9.2.6.5.3 Timing Advance Request................................................................................................................78 9.2.6.5.4 Timing Advance Response..............................................................................................................78 10 Handling of unknown, unforeseen and erroneous protocol data............................................................78 11 Specific functions...................................................................................................................................79 11.1 Traffic volume measurement for dynamic radio bearer control.......................................................................79 11.2 Control of RACH transmissions.......................................................................................................................80 ETSI 3GPP TS 25.321 version 7.11.0 Release 7 5 ETSI TS 125 321 V7.11.0 (2009-01) 11.2.1 Access Service Class selection...................................................................................................................80 11.2.2 Control of RACH transmissions for FDD mode.........................................................................................80 11.2.3 Control of RACH transmissions for TDD..................................................................................................83 11.2.3.1 Control of RACH transmissions for 3.84 Mcps TDD and 7.68 Mcps TDD.........................................83 11.2.3.1.1 Control of E-RUCCH transmissions...............................................................................................84 11.2.3.1.1.1 Access Service Class selection..................................................................................................85 11.2.3.2 Control of RACH Transmissions for 1.28 Mcps TDD..........................................................................85 11.2.3.2.1 Control of E-RUCCH transmissions...............................................................................................86 11.2.3.2.1.1 Access Service Class selection..................................................................................................87 11.2.3.2.1.2 Void...........................................................................................................................................87 11.3 Void..................................................................................................................................................................87 11.4 Transport format combination selection in UE (non E-DCH)..........................................................................87 11.5 Ciphering..........................................................................................................................................................89 11.6 Control of HS-DSCH transmission and reception............................................................................................89 11.6.1 Network operation......................................................................................................................................89 11.6.1.1 Scheduler...............................................................................................................................................89 11.6.1.2 HARQ entity.........................................................................................................................................90 11.6.1.3 HARQ process......................................................................................................................................90 11.6.2 UE operation...............................................................................................................................................91 11.6.2.1 HARQ Entity.........................................................................................................................................91 11.6.2.2 HARQ process......................................................................................................................................91 11.6.2.3 Reordering entity...................................................................................................................................92 11.6.2.3.1 Definitions.......................................................................................................................................92 11.6.2.3.2 Reordering functionality..................................................................................................................93 11.6.2.4 Disassembly entity................................................................................................................................94 11.6.2.5 MAC-hs Reset.......................................................................................................................................94 11.6.2.6 Reconfiguration of MAC-hs parameters...............................................................................................95 11.6.2.7 HARQ procedure for HS-SCCH less operation (FDD only)................................................................95 11.6.3 Network operation......................................................................................................................................96 11.6.3.1 Scheduler...............................................................................................................................................96 11.6.3.2 HARQ entity.........................................................................................................................................97 11.6.3.3 HARQ process......................................................................................................................................97 11.6.4 UE operation...............................................................................................................................................98 11.6.4.1 HARQ Entity.........................................................................................................................................98 11.6.4.2 HARQ process......................................................................................................................................98 11.6.4.3 Disassembly entity................................................................................................................................99 11.6.4.4 Reordering queue distribution entity.....................................................................................................99 11.6.4.5 Reordering entity...................................................................................................................................99 11.6.4.5.1 Definitions.......................................................................................................................................99 11.6.4.5.2 Reordering functionality................................................................................................................100 11.6.4.6 Reassembly unit..................................................................................................................................102 11.6.4.7 Demultiplexing entity..........................................................................................................................103 11.6.4.8 MAC-ehs Reset...................................................................................................................................103 11.6.4.9 Reconfiguration of MAC-ehs parameters...........................................................................................104 11.7 HS-DSCH Provided Bit Rate measurement...................................................................................................104 11.8 Control of E-DCH transmission and reception (FDD)...................................................................................104 11.8.1 UE operation.............................................................................................................................................104 11.8.1.1 HARQ Operation...........................................................................................................................104 11.8.1.1.1 HARQ entity..................................................................................................................................104 11.8.1.1.2 HARQ process...............................................................................................................................105 11.8.1.2 Multiplexing and TSN setting entity...................................................................................................106 11.8.1.2.1 TSN setting process operation.......................................................................................................106 11.8.1.3 Serving Grant Update..........................................................................................................................106 11.8.1.3.1 Baseline Procedure........................................................................................................................107 11.8.1.3.2 Handling at start of E-DCH transmission......................................................................................108 11.8.1.3.3 Handling at serving cell change.....................................................................................................108 11.8.1.3.4 Handling at TTI change.................................................................................................................109 11.8.1.3.5 Higher Layer Signalling................................................................................................................109 11.8.1.3.6 Handling in UE DTX Cycle 2.......................................................................................................109 11.8.1.4 E-TFC Selection..................................................................................................................................110 11.8.1.5 Happy Bit Setting................................................................................................................................113 11.8.1.6 Scheduling Information reporting.......................................................................................................113 ETSI 3GPP TS 25.321 version 7.11.0 Release 7 6 ETSI TS 125 321 V7.11.0 (2009-01) 11.8.1.6.1 Report Triggering when SG = 'Zero_Grant' or all processes are deactivated................................113 11.8.1.6.2 Report Triggering when SG <> 'Zero_Grant' and at least one process is activated.......................114 11.8.1.7 MAC-es/e Reset..................................................................................................................................114 11.8.1.8 Monitoring of Absolute and Relative Grant Channels........................................................................115 11.8.2 Node B operation......................................................................................................................................115 11.8.2.1 HARQ Operation................................................................................................................................115 11.8.2.1.1 HARQ entity..................................................................................................................................115 11.8.2.1.2 HARQ process...............................................................................................................................115 11.8.2.2 De-multiplexing..................................................................................................................................115 11.8.2.3 Scheduler.............................................................................................................................................115 11.8.2.4 E-DCH Provided Bit Rate measurement.............................................................................................115 11.8.3 RNC operation..........................................................................................................................................116 11.8.3.1 Re-ordering entity...............................................................................................................................116 11.9 Control of E-DCH transmission and reception (TDD)...................................................................................116 11.9.1 UE operation.............................................................................................................................................116 11.9.1.1 HARQ Operation................................................................................................................................116 11.9.1.1.1 HARQ entity..................................................................................................................................117 11.9.1.1.2 HARQ process...............................................................................................................................118 11.9.1.2 Multiplexing and TSN setting entity...................................................................................................119 11.9.1.3 Receiving a Grant................................................................................................................................119 11.9.1.4 E-TFC Selection..................................................................................................................................119 11.9.1.4a Scheduling Information reporting (3.84/7.68 Mcps TDD only)..........................................................121 11.9.1.5 Scheduling Information reporting (1.28 Mcps TDD only)..................................................................121 11.9.1.6 MAC-es/e Reset (1.28 Mcps TDD only).............................................................................................122 11.9.2 Node B operation......................................................................................................................................122 11.9.2.1 HARQ Operation................................................................................................................................122 11.9.2.1.1 HARQ entity..................................................................................................................................122 11.9.2.1.2 HARQ process...............................................................................................................................122 11.9.2.2 De-multiplexing..................................................................................................................................122 11.9.2.3 Scheduler.............................................................................................................................................123 11.9.2.4 E-DCH Provided Bit Rate measurement.............................................................................................123 11.9.3 RNC operation..........................................................................................................................................123 11.9.3.1 Re-ordering entity...............................................................................................................................123 Annex A (normative): HS-DSCH Transport Block Size Table for FDD......................................124 Annex B (normative): E-DCH Transport Block Size Tables for FDD..........................................128 B.1 2ms TTI E-DCH Transport Block Size Table 0.............................................................................................128 B.2 2ms TTI E-DCH Transport Block Size Table 1.............................................................................................128 B.2a 2ms TTI E-DCH Transport Block Size Table 2.............................................................................................129 B.2b 2ms TTI E-DCH Transport Block Size Table 3.............................................................................................130 B.3 10ms TTI E-DCH Transport Block Size Table 0...........................................................................................131 B.4 10ms TTI E-DCH Transport Block Size Table 1...........................................................................................131 Annex BA (normative): E-DCH Transport Block Size Tables for 3.84 Mcps TDD.......................133 BA.1 10ms TTI E-DCH Transport Block Size Table 0...........................................................................................133 Annex BB (normative): E-DCH Transport Block Size Tables for 7.68 Mcps TDD.......................136 BB.1 10ms TTI E-DCH Transport Block Size Table 0...........................................................................................136 Annex BC (normative): E-DCH Transport Block Size Tables for 1.28 Mcps TDD.......................139 BC.1 5ms TTI E-DCH Transport Block Size Table 0.............................................................................................139 Annex C (informative): Pseudo-Code for E-TFC Selection (FDD)..................................................142 Annex CA (informative): Pseudo-Code for E-TFC Selection (TDD)..................................................144 Annex D (informative): Change history.............................................................................................146 History............................................................................................................................................................151 ETSI 3GPP TS 25.321 version 7.11.0 Release 7 7 ETSI TS 125 321 V7.11.0 (2009-01) Foreword This Technical Specification (TS) has been produced by the 3rd Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI 3GPP TS 25.321 version 7.11.0 Release 7 8 ETSI TS 125 321 V7.11.0 (2009-01) 1 Scope The present document specifies the MAC protocol. The specification describes: - MAC architecture; - MAC entities; - channel structure; - services provided to upper layers; - MAC functions; - services expected from the physical layer; - elements for layer-to-layer communication including primitives between MAC and RLC; - elements for peer-to-peer communication; - protocol data units, formats and parameters; - elementary procedures. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. • For a specific reference, subsequent revisions do not apply. • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document. [1] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications". [2] 3GPP TS 25.301: "Radio Interface Protocol Architecture". [3] 3GPP TS 25.302: "Services provided by the Physical Layer". [4] 3GPP TS 25.303: "Interlayer Procedures in Connected Mode". [5] 3GPP TS 25.304: "UE Procedures in Idle Mode and Procedures for Cell Reselection in Connected Mode". [6] 3GPP TS 25.322: "RLC Protocol Specification". [7] 3GPP TS 25.331: "Radio Resource Control (RRC); protocol specification". [8] 3GPP TR 25.921: "Guidelines and Principles for Protocol Description and Error Handling". [9] 3GPP TR 25.990: "Vocabulary for the UTRAN". [10] 3GPP TS 33.102: "Security architecture". [11] 3GPP TS 25.425: "UTRAN Iur Interface User Plane Protocols for Common Transport Channel Data Streams". ETSI 3GPP TS 25.321 version 7.11.0 Release 7 9 ETSI TS 125 321 V7.11.0 (2009-01) [12] 3GPP TS 25.133: "Requirements for support of radio resource management (FDD)". [13] 3GPP TS 25.214: "Physical layer procedures (FDD)". [14] 3GPP TS 25.123: "Requirements for support of radio resource management (TDD)". [15] 3GPP TS 33.105: "Cryptographic Algorithm Requirements". [16] 3GPP TS 25.212: "Multiplexing and Channel Coding (FDD)". [17] 3GPP TS 25.215: "Physical layer - Measurements (FDD)". [18] 3GPP TS 25.224: "Physical layer procedures (TDD)". [19] 3GPP TS 25.222: "Multiplexing and Channel Coding (TDD)". [20] 3GPP TS 25.225: "Physical layer – Measurements (TDD)". [21] 3GPP TS 25.221 "Physical Channels and Mapping of Transport Channels onto Physical Channels (TDD)" [22] 3GPP TS 25.213: "Spreading and modulation (FDD)". [23] 3GPP TS 25.306: "UE Radio Access Capabilities". 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given below and in [9] and [1] apply. 3.1.1 HS-DSCH Specific Definitions 3.1.2 E-DCH Specific Definitions 3.1.2.1 General E-DCH: The Enhanced Dedicated Channel (E-DCH) is an uplink transport channel. HARQ profile: One HARQ profile consists of a power offset attribute and maximum number of transmissions. For 1.28 Mcps TDD, it also includes a retransmission timer attribute. Power offset attribute (FDD): This represents the power offset between E-DPDCH(s) and reference E-DPDCH power level for a given E-TFC. This power offset attribute is set to achieve the required QoS in this MAC-d flow when carried alone in a MAC-e PDU and subsequently in the corresponding CCTrCh of E-DCH type. Details on the mapping on Beta factors can be found in [13]. The reference E-DPDCH power offset is signalled to the UE for one (or several) reference E-TFC(s) (see details in subclause 11.1). Power offset attribute (TDD): The power offset attribute is set to achieve the required QoS in this MAC-d flow when carried alone in a MAC-e PDU and subsequently in the corresponding CCTrCh of E-DCH type. Details on the power offset can be found in [18]. Primary Absolute Grant: Absolute Grant received with the primary E-RNTI. Note that the primary E-RNTI is the only E-RNTI for TDD. Serving E-DCH cell: Cell from which the UE receives Absolute Grants from the Node-B scheduler. A UE has one Serving E-DCH cell. Serving_Grant (FDD): The state variable Serving_Grant indicates the maximum E-DPDCH to DPCCH power ratio that the UE is allowed to use for scheduled data in the following transmission. The value in the appropriate state variable will be provided to the E-TFC selection function to help in selecting the best format for the upcoming ETSI