36321-850

3GPP TS 36.321 V8.5.0 (2009-03) Technical Specification 3rd3rd3rd 3rd GenerationGenerationGeneration Generation PartnershipPartnershipPartnership Partnership Project;Project;Project; Project; TechnicalTechnicalTechnical Technical SpecificationSpecificationSpecification Specification GroupGroupGroup Group RadioRadioRadio Radio AccessAccessAccess Access Network;Network;Network; Network; EvolvedEvolvedEvolved Evolved UniversalUniversalUniversal Universal TerrestrialTerrestrialTerrestrial Terrestrial RadioRadioRadio Radio AccessAccessAccess Access (E-UTRA)(E-UTRA)(E-UTRA) (E-UTRA) MediumMediumMedium Medium AccessAccessAccess Access ControlControlControl Control (MAC)(MAC)(MAC) (MAC) protocolprotocolprotocol protocol specificationspecificationspecification specification ((( ( ReleaseReleaseRelease Release 888 8 ))) ) The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be implemented. This Specification is provided for future development work within 3GPP only. The Organizational Partners accept no liability for any use of this Specification. Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organizational Partners' Publications Offices. 3GPP3GPP3GPP 3GPP TSTSTS TS 36.32136.32136.321 36.321 V8.5.0V8.5.0V8.5.0 V8.5.0 (2009-03)(2009-03)(2009-03) (2009-03) 222 2 ReleaseReleaseRelease Release 888 8 3GPP 3GPP 3GPP 3GPP Keywords UMTS, radio 3GPP 3GPP 3GPP 3GPP Postal address 3GPP support office address 650 Route des Lucioles - Sophia Antipolis Valbonne - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Internet http://www.3gpp.org Copyright Copyright Copyright Copyright Notification Notification Notification Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. © 2009, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC). All rights reserved. UMTS™ is a Trade Mark of ETSI registered for the benefit of its members 3GPP™ is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners LTE™ is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners GSM® and the GSM logo are registered and owned by the GSM Association 3GPP3GPP3GPP 3GPP TSTSTS TS 36.32136.32136.321 36.321 V8.5.0V8.5.0V8.5.0 V8.5.0 (2009-03)(2009-03)(2009-03) (2009-03) 333 3 ReleaseReleaseRelease Release 888 8 3GPP 3GPP 3GPP 3GPP Contents Foreword............................................................................................................................................................. 5 1 Scope.........................................................................................................................................................6 2 References.................................................................................................................................................6 3 Definitions and abbreviations................................................................................................................... 6 3.1 Definitions........................................................................................................................................................... 6 3.2 Abbreviations.......................................................................................................................................................7 4 General......................................................................................................................................................8 4.1 Introduction......................................................................................................................................................... 8 4.2 MAC architecture................................................................................................................................................ 8 4.2.1 MAC Entities................................................................................................................................................. 8 4.3 Services................................................................................................................................................................9 4.3.1 Services provided to upper layers.................................................................................................................. 9 4.3.2 Services expected from physical layer...........................................................................................................9 4.4 Functions............................................................................................................................................................. 9 4.5 Channel structure...............................................................................................................................................10 4.5.1 Transport Channels...................................................................................................................................... 10 4.5.2 Logical Channels......................................................................................................................................... 10 4.5.3 Mapping of Transport Channels to Logical Channels................................................................................. 11 4.5.3.1 Uplink mapping......................................................................................................................................11 4.5.3.2 Downlink mapping.................................................................................................................................11 5 MAC procedures.....................................................................................................................................12 5.1 Random Access procedure................................................................................................................................ 12 5.1.1 Random Access Procedure initialization..................................................................................................... 12 5.1.2 Random Access Resource selection.............................................................................................................13 5.1.3 Random Access Preamble transmission...................................................................................................... 14 5.1.4 Random Access Response reception............................................................................................................14 5.1.5 Contention Resolution................................................................................................................................. 15 5.1.6 Completion of the Random Access procedure.............................................................................................16 5.2 Maintenance of Uplink Time Alignment...........................................................................................................17 5.3 DL-SCH data transfer........................................................................................................................................17 5.3.1 DL Assignment reception............................................................................................................................ 17 5.3.2 HARQ operation.......................................................................................................................................... 19 5.3.2.1 HARQ Entity..........................................................................................................................................19 5.3.2.2 HARQ process........................................................................................................................................19 5.3.3 Disassembly and demultiplexing................................................................................................................. 20 5.4 UL-SCH data transfer........................................................................................................................................20 5.4.1 UL Grant reception...................................................................................................................................... 20 5.4.2 HARQ operation.......................................................................................................................................... 21 5.4.2.1 HARQ entity.......................................................................................................................................... 21 5.4.2.2 HARQ process........................................................................................................................................22 5.4.3 Multiplexing and assembly.......................................................................................................................... 24 5.4.3.1 Logical channel prioritization................................................................................................................ 24 5.4.3.2 Multiplexing of MAC Control Elements and MAC SDUs.................................................................... 25 5.4.4 Scheduling Request......................................................................................................................................25 5.4.5 Buffer Status Reporting............................................................................................................................... 25 5.4.6 Power Headroom Reporting........................................................................................................................ 26 5.5 PCH reception....................................................................................................................................................27 5.6 BCH reception................................................................................................................................................... 27 5.7 Discontinuous Reception (DRX).......................................................................................................................27 5.8 MAC reconfiguration........................................................................................................................................ 29 5.9 MAC Reset........................................................................................................................................................ 29 5.10 Semi-Persistent Scheduling............................................................................................................................... 29 5.10.1 Downlink......................................................................................................................................................30 5.10.2 Uplink.......................................................................................................................................................... 30 3GPP3GPP3GPP 3GPP TSTSTS TS 36.32136.32136.321 36.321 V8.5.0V8.5.0V8.5.0 V8.5.0 (2009-03)(2009-03)(2009-03) (2009-03) 444 4 ReleaseReleaseRelease Release 888 8 3GPP 3GPP 3GPP 3GPP 5.11 Handling of unknown, unforeseen and erroneous protocol data....................................................................... 30 6 Protocol Data Units, formats and parameters......................................................................................... 30 6.1 Protocol Data Units........................................................................................................................................... 30 6.1.1 General.........................................................................................................................................................30 6.1.2 MAC PDU (DL-SCH and UL-SCH except transparent MAC and Random Access Response).................31 6.1.3 MAC Control Elements............................................................................................................................... 32 6.1.3.1 Buffer Status Report MAC Control Elements........................................................................................32 6.1.3.2 C-RNTI MAC Control Element.............................................................................................................33 6.1.3.3 DRX Command MAC Control Element................................................................................................ 34 6.1.3.4 UE Contention Resolution Identity MAC Control Element.................................................................. 34 6.1.3.5 Timing Advance Command MAC Control Element..............................................................................34 6.1.3.6 Power Headroom MAC Control Element.............................................................................................. 34 6.1.4 MAC PDU (transparent MAC)....................................................................................................................35 6.1.5 MAC PDU (Random Access Response)......................................................................................................35 6.2 Formats and parameters.....................................................................................................................................36 6.2.1 MAC header for DL-SCH and UL-SCH......................................................................................................36 6.2.2 MAC header for Random Access Response................................................................................................37 6.2.3 MAC payload for Random Access Response..............................................................................................38 7 Variables and constants.......................................................................................................................... 38 7.1 RNTI values.......................................................................................................................................................38 7.2 Backoff Parameter values..................................................................................................................................39 7.3 PRACH Mask Index values...............................................................................................................................40 7.4 Subframe_Offset values.................................................................................................................................... 40 7.5 TTI_BUNDLE_SIZE value...............................................................................................................................40 7.6 DELTA_PREAMBLE values............................................................................................................................40 7.7 HARQ RTT Timer.............................................................................................................................................41 AnnexAnnexAnnex Annex AAA A (normative):(normative):(normative): (normative): HandlingHandlingHandling Handling ofofof of measurementmeasurementmeasurement measurement gapsgapsgaps gaps ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . 424242 42 AnnexAnnexAnnex Annex BBB B (informative):(informative):(informative): (informative): ContentionContentionContention Contention resolutionresolutionresolution resolution forforfor for RACHRACHRACH RACH accessaccessaccess access ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . 434343 43 AnnexAnnexAnnex Annex CCC C (informative):(informative):(informative): (informative): ChangeChangeChange Change historyhistoryhistory history ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . ... . 444444 44 3GPP3GPP3GPP 3GPP TSTSTS TS 36.32136.32136.321 36.321 V8.5.0V8.5.0V8.5.0 V8.5.0 (2009-03)(2009-03)(2009-03) (2009-03) 555 5 ReleaseReleaseRelease Release 888 8 3GPP 3GPP 3GPP 3GPP Foreword This Technical Specification 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. 3GPP3GPP3GPP 3GPP TSTSTS TS 36.32136.32136.321 36.321 V8.5.0V8.5.0V8.5.0 V8.5.0 (2009-03)(2009-03)(2009-03) (2009-03) 666 6 ReleaseReleaseRelease Release 888 8 3GPP 3GPP 3GPP 3GPP 1 Scope The present document specifies the E-UTRA MAC protocol. 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 TR 36.213: "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Layer Procedures". [3] 3GPP TS 36.322: “Evolved Universal Terrestrial Ra