ETSI TS 136 321-2016 LTE Evolved Universal Terrestrial Radio Access (E-UTRA) Medium Access Control (MAC) protocol specification (V13 3 0 3GPP TS 36 321 version 13 3 0 Release 13)《长.pdf

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1、 ETSI TS 1Evolved Universal TMedium Access Co(3GPP TS 36.3TECHNICAL SPECIFICATION136 321 V13.1.0 (2016LTE; l Terrestrial Radio Access (E-ontrol (MAC) protocol specifi.321 version 13.1.0 Release 1316-04) UTRA); ification 13) ETSI ETSI TS 136 321 V13.1.0 (2016-04)13GPP TS 36.321 version 13.1.0 Release

2、 13Reference RTS/TSGR-0236321vd10 Keywords LTE 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

3、The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorizatio

4、n of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document should be awar

5、e that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: htt

6、ps:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not b

7、e modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the be

8、nefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 136 321 V13.1.0 (2016-04)23GPP TS 36.321 version 13.1.0 Relea

9、se 13Intellectual Property Rights IPRs essential or potentially essential to the present document 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 000 314: “Intellectual Pro

10、perty 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 investigation, including IPR se

11、arches, 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. Foreword This Technical Specification (TS) has been prod

12、uced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications 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 be

13、tween GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs 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

14、.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 136 321 V13.1.0 (2016-04)33GPP TS 36.321 version 13.1.0 Release 13Contents Intellectual Property Rights 2g3Forew

15、ord . 2g3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 References 7g33 Definitions and abbreviations . 8g33.1 Definitions 8g33.2 Abbreviations . 9g34 General . 10g34.1 Introduction 10g34.2 MAC architecture . 10g34.2.1 MAC Entities 11g34.3 Services 13g34.3.1 Services provided to upper layers

16、. 13g34.3.2 Services expected from physical layer 13g34.4 Functions 13g34.5 Channel structure 14g34.5.1 Transport Channels . 14g34.5.2 Logical Channels 15g34.5.3 Mapping of Transport Channels to Logical Channels 15g34.5.3.1 Uplink mapping . 15g34.5.3.2 Downlink mapping 16g34.5.3.3 Sidelink mapping 1

17、7g35 MAC procedures 17g35.1 Random Access procedure . 17g35.1.1 Random Access Procedure initialization 17g35.1.2 Random Access Resource selection 19g35.1.3 Random Access Preamble transmission . 20g35.1.4 Random Access Response reception. 20g35.1.5 Contention Resolution 22g35.1.6 Completion of the Ra

18、ndom Access procedure 23g35.2 Maintenance of Uplink Time Alignment 24g35.3 DL-SCH data transfer . 25g35.3.1 DL Assignment reception . 25g35.3.2 HARQ operation . 27g35.3.2.1 HARQ Entity. 27g35.3.2.2 HARQ process 27g35.3.3 Disassembly and demultiplexing 28g35.4 UL-SCH data transfer . 28g35.4.1 UL Gran

19、t reception . 28g35.4.2 HARQ operation . 29g35.4.2.1 HARQ entity . 29g35.4.2.2 HARQ process 31g35.4.3 Multiplexing and assembly . 33g35.4.3.1 Logical channel prioritization . 33g35.4.3.2 Multiplexing of MAC Control Elements and MAC SDUs . 34g35.4.4 Scheduling Request. 34g35.4.5 Buffer Status Reporti

20、ng 35g35.4.6 Power Headroom Reporting . 36g35.5 PCH reception 38g35.6 BCH reception 38g3ETSI ETSI TS 136 321 V13.1.0 (2016-04)43GPP TS 36.321 version 13.1.0 Release 135.7 Discontinuous Reception (DRX) 39g35.7a Discontinuous Reception (DRX) for SC-PTM . 41g35.8 MAC reconfiguration . 41g35.9 MAC Reset

21、 . 42g35.10 Semi-Persistent Scheduling 42g35.10.1 Downlink 42g35.10.2 Uplink . 43g35.11 Handling of unknown, unforeseen and erroneous protocol data 43g35.12 MCH reception . 43g35.13 Activation/Deactivation of SCells 44g35.14 SL-SCH Data transfer 45g35.14.1 SL-SCH Data transmission . 45g35.14.1.1 SL

22、Grant reception and SCI transmission . 45g35.14.1.2 Sidelink HARQ operation . 46g35.14.1.2.1 Sidelink HARQ Entity . 46g35.14.1.2.2 Sidelink process . 47g35.14.1.3 Multiplexing and assembly . 47g35.14.1.3.1 Logical channel prioritization 47g35.14.1.3.2 Multiplexing of MAC SDUs . 48g35.14.1.4 Buffer S

23、tatus Reporting . 48g35.14.2 SL-SCH Data reception 50g35.14.2.1 SCI reception. 50g35.14.2.2 Sidelink HARQ operation . 50g35.14.2.2.1 Sidelink HARQ Entity . 50g35.14.2.2.2 Sidelink process . 50g35.14.2.3 Disassembly and demultiplexing 51g35.15 SL-DCH data transfer . 51g35.15.1 SL-DCH data transmissio

24、n . 51g35.15.1.1 Resource allocation . 51g35.15.1.2 Sidelink HARQ operation . 52g35.15.1.2.1 Sidelink HARQ Entity . 52g35.15.1.2.2 Sidelink process . 52g35.15.2 SL-DCH data reception 53g35.15.2.1 Sidelink HARQ operation . 53g35.15.2.1.1 Sidelink HARQ Entity . 53g35.15.2.1.2 Sidelink process . 53g35.

25、16 SL-BCH data transfer . 54g35.16.1 SL-BCH data transmission . 54g35.16.2 SL-BCH data reception . 54g36 Protocol Data Units, formats and parameters . 54g36.1 Protocol Data Units 54g36.1.1 General 54g36.1.2 MAC PDU (DL-SCH and UL-SCH except transparent MAC and Random Access Response, MCH) 55g36.1.3

26、MAC Control Elements 56g36.1.3.1 Buffer Status Report MAC Control Elements . 56g36.1.3.1a Sidelink BSR MAC Control Elements 58g36.1.3.2 C-RNTI MAC Control Element 59g36.1.3.3 DRX Command MAC Control Element . 59g36.1.3.4 UE Contention Resolution Identity MAC Control Element 60g36.1.3.5 Timing Advanc

27、e Command MAC Control Element . 60g36.1.3.6 Power Headroom Report MAC Control Element . 60g36.1.3.6a Extended Power Headroom Report MAC Control Elements 61g36.1.3.6b Dual Connectivity Power Headroom Report MAC Control Element . 64g36.1.3.7 MCH Scheduling Information MAC Control Element . 65g36.1.3.7

28、a Extended MCH Scheduling Information MAC Control Element . 66g36.1.3.8 Activation/Deactivation MAC Control Elements . 67g36.1.3.9 Long DRX Command MAC Control Element 67g36.1.4 MAC PDU (transparent MAC) . 68g36.1.5 MAC PDU (Random Access Response) . 68g36.1.6 MAC PDU (SL-SCH) . 69g36.2 Formats and

29、parameters 71g3ETSI ETSI TS 136 321 V13.1.0 (2016-04)53GPP TS 36.321 version 13.1.0 Release 136.2.1 MAC header for DL-SCH, UL-SCH and MCH 71g36.2.2 MAC header for Random Access Response . 72g36.2.3 MAC payload for Random Access Response . 73g36.2.4 MAC header for SL-SCH . 73g37 Variables and constan

30、ts 74g37.1 RNTI values . 74g37.2 Backoff Parameter values . 75g37.3 PRACH Mask Index values 76g37.4 Subframe_Offset values . 76g37.5 TTI_BUNDLE_SIZE value 76g37.6 DELTA_PREAMBLE values 76g37.7 HARQ RTT Timers 77g3Annex A (normative): Handling of measurement gaps 78g3Annex B (normative): Contention r

31、esolution for RACH access 79g3Annex C (informative): Intended UE behaviour for DRX Timers 80g3Annex D (informative): Change history . 81g3History 86g3ETSI ETSI TS 136 321 V13.1.0 (2016-04)63GPP TS 36.321 version 13.1.0 Release 13Foreword This Technical Specification has been produced by the 3rdGener

32、ation 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

33、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

34、 enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 136 321 V13.1.0 (2016-04)73GPP TS 36.321 version 13.1.0 Release 131 Scope The present document specifies the E-UTRA MAC protocol. 2 References T

35、he 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

36、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

37、for 3GPP Specifications“. 2 3GPP TS 36.213: “Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Layer Procedures“. 3 3GPP TS 36.322: Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Link Control (RLC) protocol specification. 4 3GPP TS 36.323: Evolved Universal Terrestrial Radio

38、Access (E-UTRA); Packet Data Convergence Protocol (PDCP) Specification. 5 3GPP TS 36.212: Evolved Universal Terrestrial Radio Access (E-UTRA); Multiplexing and channel coding. 6 3GPP TS 36.214: Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer; Measurements. 7 3GPP TS 36.211: Evolv

39、ed Universal Terrestrial Radio Access (E-UTRA); Physical Channels and Modulation. 8 3GPP TS 36.331: Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification. 9 3GPP TS 36.133: “Evolved Universal Terrestrial Radio Access (E-UTRA); Requirements for supp

40、ort of radio resource management“. 10 3GPP TS 36.101: “Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) radio transmission and reception“. 11 3GPP TS 36.216: “Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer for relaying operation“. 12 3GPP TS 36.306: “Evol

41、ved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) radio access capabilities“. 13 3GPP TS 23.303: “Proximity-based services (ProSe); Stage 2“. ETSI ETSI TS 136 321 V13.1.0 (2016-04)83GPP TS 36.321 version 13.1.0 Release 133 Definitions and abbreviations 3.1 Definitions For the purp

42、oses of the present document, the terms and definitions given in TR 21.905 1 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 1. Active Time: Time related to DRX operation, as defined in subclause 5.7, during

43、which the MAC entity monitors the PDCCH. mac-ContentionResolutionTimer: Specifies the number of consecutive subframe(s) during which the MAC entity shall monitor the PDCCH after Msg3 is transmitted. DRX Cycle: Specifies the periodic repetition of the On Duration followed by a possible period of inac

44、tivity (see figure 3.1-1 below). Figure 3.1-1: DRX Cycle drx-InactivityTimer: Specifies the number of consecutive PDCCH-subframe(s) after the subframe in which a PDCCH indicates an initial UL, DL or SL user data transmission for this MAC entity. drx-RetransmissionTimer: Specifies the maximum number

45、of consecutive PDCCH-subframe(s) until a DL retransmission is received. drxShortCycleTimer: Specifies the number of consecutive subframe(s) the MAC entity shall follow the Short DRX cycle. drxStartOffset: Specifies the subframe where the DRX Cycle starts. drx-ULRetransmissionTimer: Specifies the max

46、imum number of consecutive PDCCH-subframe(s) until a grant for UL retransmission is received. HARQ information: HARQ information for DL-SCH or for UL-SCH transmissions consists of New Data Indicator (NDI), Transport Block (TB) size. For DL-SCH transmissions and for asynchronous UL HARQ, the HARQ inf

47、ormation also includes HARQ process ID. For UL-SCH transmission the HARQ information also includes Redundancy Version (RV). In case of spatial multiplexing on DL-SCH the HARQ information comprises a set of NDI and TB size for each transport block. HARQ information for SL-SCH and SL-DCH transmissions

48、 consists of TB size only. HARQ RTT Timer: This parameter specifies the minimum amount of subframe(s) before a DL HARQ retransmission is expected by the MAC entity. Msg3: Message transmitted on UL-SCH containing a C-RNTI MAC CE or CCCH SDU, submitted from upper layer and associated with the UE Conte

49、ntion Resolution Identity, as part of a random access procedure. onDurationTimer: Specifies the number of consecutive PDCCH-subframe(s) at the beginning of a DRX Cycle. PDCCH: Refers to the PDCCH 7, EPDCCH (in subframes when configured), MPDCCH 2 or, for an RN with R-PDCCH configured and not suspended, to the R-PDCCH. PDCCH-subframe: Refers to a subframe with PDCCH. For a MAC entity not configured with any TDD serving cell(s), this represents any subframe; for a MAC entity configured with at least one TDD serving cell, if a