ETSI TS 125 322-2018 Universal Mobile Telecommunications System (UMTS) Radio Link Control (RLC) protocol specification (V15 0 0 3GPP TS 25 322 version 15 0 0 Release 15).pdf

1、 ETSI TS 125 322 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); Radio Link Control (RLC) protocol specification (3GPP TS 25.322 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 125 322 V15.0.0 (2018-07)13GPP TS 25.322 version 15.0.0 Release 15Reference RTS/TSGR-0

2、625322vf00 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 document c

3、an 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 authorization of ETSI. In case of

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7、ithout 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 of

8、ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 125 322 V15.0.0 (2018-07)23GPP TS 25.322 version 15.0.0 Releas

9、e 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 000 314

10、: “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 investigatio

11、n, 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 may i

12、nclude trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the pr

13、esent 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 specification

14、s 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 verbs

15、 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 allo

16、wed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 125 322 V15.0.0 (2018-07)33GPP TS 25.322 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 7g31 Scope 8g32 References 8g33 Definitions and abbreviations . 8g

17、33.1 Definitions 8g33.2 Abbreviations . 8g34 General . 9g34.1 Objective 9g34.2 Overview of the RLC sublayer architecture . 10g34.2.1 Model of the RLC sublayer 10g34.2.1.1 Transparent mode (TM) RLC entities . 12g34.2.1.1.1 Transmitting TM RLC entity . 12g34.2.1.1.2 Receiving TM RLC entity . 12g34.2.1

18、.2 Unacknowledged mode (UM) RLC entities 13g34.2.1.2.1 Transmitting UM RLC entity 14g34.2.1.2.2 Receiving UM RLC entity . 14g34.2.1.3 Acknowledged mode (AM) RLC entity 15g34.2.1.3.1 Transmitting side . 16g34.2.1.3.2 Receiving side . 17g35 Functions 17g36 Services provided to upper layers 18g36.1 Map

19、ping of services/functions onto logical channels . 19g37 Services expected from MAC 21g38 Elements for layer-to-layer communication . 21g38.1 Primitives between RLC and upper layers . 21g38.2 Primitive parameters. 23g39 Elements for peer-to-peer communication . 24g39.1 Protocol data units 24g39.1.1

20、Data PDUs 24g39.1.2 Control PDUs 25g39.2 Formats and parameters 25g39.2.1 Formats . 25g39.2.1.1 General 26g39.2.1.2 TMD PDU . 26g39.2.1.3 UMD PDU 26g39.2.1.4 AMD PDU 26g39.2.1.5 STATUS PDU . 27g39.2.1.6 Piggybacked STATUS PDU . 28g39.2.1.7 RESET, RESET ACK PDU 28g39.2.2 Parameters. 28g39.2.2.1 D/C f

21、ield 29g39.2.2.2 PDU Type . 29g39.2.2.3 Sequence Number (SN) . 29g39.2.2.4 Polling bit (P) 29g39.2.2.5 Extension bit (E) . 29g39.2.2.6 Reserved 1 (R1) 30g39.2.2.7 Header Extension Type (HE) 30g39.2.2.8 Length Indicator (LI). 30g3ETSI ETSI TS 125 322 V15.0.0 (2018-07)43GPP TS 25.322 version 15.0.0 Re

22、lease 159.2.2.9 Data field . 34g39.2.2.10 Padding (PAD) 36g39.2.2.11 SUFI 36g39.2.2.11.1 The No More Data super-field . 37g39.2.2.11.2 The Acknowledgement super-field 37g39.2.2.11.3 The Window Size super-field 37g39.2.2.11.4 The List super-field . 38g39.2.2.11.5 The Bitmap super-field 38g39.2.2.11.6

23、 The Relative List super-field . 39g39.2.2.11.7 The Move Receiving Window Acknowledgement super-field 40g39.2.2.11.8 The Move Receiving Window (MRW) super-field . 40g39.2.2.11.9 The Poll (POLL) super-field 41g39.2.2.12 Reserved 2 (R2) 41g39.2.2.13 Reset Sequence Number (RSN) 41g39.2.2.14 Hyper Frame

24、 Number Indicator (HFNI) . 42g39.3 Protocol states 42g39.3.1 State model for transparent mode entities . 42g39.3.1.1 NULL State . 42g39.3.1.2 DATA_TRANSFER_READY State . 42g39.3.2 State model for unacknowledged mode entities 42g39.3.2.1 NULL State . 42g39.3.2.2 DATA_TRANSFER_READY State . 43g39.3.2.

25、3 LOCAL_SUSPEND State . 43g39.3.3 State model for acknowledged mode entities . 44g39.3.3.1 NULL State . 44g39.3.3.2 DATA_TRANSFER_READY State . 44g39.3.3.3 RESET_PENDING State 44g39.3.3.4 LOCAL_SUSPEND State . 46g39.3.3.5 RESET_AND_SUSPEND State . 46g39.4 State variables 46g39.5 Timers 49g39.6 Proto

26、col Parameters 51g39.7 Specific functions . 52g39.7.1 Polling function for acknowledged mode . 52g39.7.2 STATUS transmission for acknowledged mode . 54g39.7.3 SDU discard function for acknowledged, unacknowledged, and transparent mode . 55g39.7.3.1 Timer based discard, with explicit signalling 55g39

27、.7.3.2 Timer based discard, without explicit signalling . 56g39.7.3.3 SDU discard after MaxDAT number of transmissions . 56g39.7.3.4 No_discard after MaxDAT number of transmissions . 56g39.7.3.5 SDU discard not configured 56g39.7.4 Void 57g39.7.5 Local Suspend function for acknowledged and unacknowl

28、edged mode. 57g39.7.6 RLC Stop, RLC Continue function for acknowledged and unacknowledged mode . 57g39.7.7 RLC re-establishment function for acknowledged and unacknowledged mode . 58g39.7.8 Ciphering for acknowledged and unacknowledged mode 60g39.7.9 Reconfiguration of RLC parameters by upper layers

29、 . 60g39.7.10 Duplicate avoidance and reordering for unacknowledged mode 61g310 Handling of unknown, unforeseen and erroneous protocol data 63g310.1 Erroneous Sequence Number . 63g310.2 Inconsistent status indication 63g310.3 Invalid PDU format 63g310.4 RLC PDU with CRC error . 63g311 Elementary pro

30、cedures . 63g311.1 Transparent mode data transfer procedure . 64g311.1.1 General 64g311.1.2 Transmission of TMD PDU 64g311.1.2.1 TMD PDU contents to set . 64g311.1.2.2 Submission of TMD PDUs to the lower layer 64g311.1.3 Reception of TMD PDU . 65g3ETSI ETSI TS 125 322 V15.0.0 (2018-07)53GPP TS 25.32

31、2 version 15.0.0 Release 1511.1.4 Abnormal cases . 65g311.1.4.1 Void. 65g311.1.4.2 SDU discard without explicit signalling . 65g311.2 Unacknowledged mode data transfer procedure. 65g311.2.1 General 65g311.2.2 Transmission of UMD PDU . 66g311.2.2.1 UMD PDU contents to set . 66g311.2.2.2 Submission of

32、 UMD PDUs to the lower layer 66g311.2.3 Reception of UMD PDU . 67g311.2.3.1 SDU discard and re-assembly . 67g311.2.3.2 Out of sequence SDU delivery 68g311.2.4 Abnormal cases . 69g311.2.4.1 Length Indicator value reserved for UMD PDU . 69g311.2.4.2 Invalid length indicator value 69g311.2.4.3 SDU disc

33、ard without explicit signalling . 69g311.2.4.4 Invalid PDU size . 69g311.3 Acknowledged mode data transfer procedure 69g311.3.1 General 69g311.3.2 Transmission of AMD PDU . 70g311.3.2.1 AMD PDU contents to set . 71g311.3.2.1.1 Setting of the Polling bit 72g311.3.2.1.2 Void . 72g311.3.2.2 Submission

34、of AMD PDUs to lower layer 72g311.3.3 Reception of AMD PDU by the Receiver . 72g311.3.3a Reached maximum number of attempts 73g311.3.4 Abnormal cases . 73g311.3.4.1 Void. 73g311.3.4.2 Receiving an AMD PDU outside the reception window . 73g311.3.4.3 Timer_Discard timeout . 74g311.3.4.3.1 SDU discard

35、with explicit signalling . 74g311.3.4.4 Void. 74g311.3.4.5 Invalid length indicator value 74g311.3.4.6 Length Indicator value reserved for AMD PDU . 74g311.3.4.7 Void. 74g311.3.4.8 Receiving an AMD PDU within the reception window more than once (Handling of Duplicates) 74g311.3.4.9 Full Buffer Behav

36、ior . 74g311.3.4.10 Invalid PDU size . 75g311.3.5 Transmission of POLL SUFI 75g311.4 RLC reset procedure . 75g311.4.1 General 75g311.4.2 Initiation 75g311.4.2.1 RESET PDU contents to set 76g311.4.3 Reception of the RESET PDU by the Receiver 76g311.4.3.1 RESET ACK PDU contents to set 77g311.4.4 Recep

37、tion of the RESET ACK PDU by the Sender 77g311.4.4a Reached maximum number of attempts 78g311.4.5 Abnormal cases . 78g311.4.5.1 Timer_RST timeout 78g311.4.5.2 Void. 78g311.4.5.3 Reception of the RESET PDU by the Sender . 78g311.5 STATUS report transfer procedure 79g311.5.1 General 79g311.5.2 Initiat

38、ion 79g311.5.2.1 Piggybacked STATUS PDU . 79g311.5.2.2 STATUS PDU contents to set . 79g311.5.2.3 Submission of STATUS PDUs to the lower layer 80g311.5.3 Reception of the STATUS PDU by the Sender 81g311.5.4 Abnormal cases . 81g311.5.4.1 Void. 81g311.6 SDU discard with explicit signalling procedure .

39、81g311.6.1 General 81g311.6.2 Initiation 82g3ETSI ETSI TS 125 322 V15.0.0 (2018-07)63GPP TS 25.322 version 15.0.0 Release 1511.6.2.1 Void. 82g311.6.2.2 STATUS PDU contents to set . 83g311.6.3 Reception of the STATUS PDU by the Receiver . 84g311.6.3.1 STATUS PDU contents to set . 84g311.6.4 Terminati

40、on. 85g311.6.5 Expiration of timer Timer_MRW . 85g311.6.6 Abnormal cases . 85g311.6.6.1 Reception of obsolete/corrupted MRW SUFI by the Receiver . 85g311.6.6.2 Void. 86g311.6.6.3 Reception of obsolete/corrupted MRW_ACK SUFI by the Sender 86g311.7 Void 86g311.8 Void 86g3Annex A (informative): Change

41、history . 87g3History 91g3ETSI ETSI TS 125 322 V15.0.0 (2018-07)73GPP TS 25.322 version 15.0.0 Release 15Foreword This Technical Specification (TS) has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG an

42、d 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 informatio

43、n; 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 incorp

44、orated in the document. ETSI ETSI TS 125 322 V15.0.0 (2018-07)83GPP TS 25.322 version 15.0.0 Release 151 Scope The present document specifies the Radio Link Control protocol for the UE-UTRAN radio interface. Features for the current Release: - Transparent mode. - Unacknowledged mode. - Acknowledged

45、mode. 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,

46、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 3G

47、PP TS 25.401: “UTRAN Overall Description“. 2 3GPP TR 25.990: “Vocabulary for UTRAN“. 3 3GPP TS 25.301: “Radio Interface Protocol Architecture“. 4 3GPP TS 25.302: “Services provided by the Physical Layer“. 5 3GPP TS 25.303: “Interlayer procedures in Connected Mode“. 6 3GPP TS 25.304: “UE Procedures i

48、n Idle Mode and Procedures for Cell Reselection in Connected Mode“. 7 3GPP TS 25.321: “Medium Access Control (MAC); protocol specification“. 8 3GPP TS 25.331: “Radio Resource Control (RRC); protocol specification“. 9 3GPP TS 33.102: “3G security; Security architecture“. 3 Definitions and abbreviatio

49、ns 3.1 Definitions For the purposes of the present document, the terms and definitions given in 2 apply. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: AM Acknowledged Mode AMD Acknowledged Mode Data ARQ Automatic Repeat Request BCCH Broadcast Control CHannel BCH Broadcast CHannel C- Control-CCCH Common Control CHannel ETSI ETSI TS 125 322 V15.0.0 (2018-07)93GPP TS 25.322 version 15.0.0 Release 15CCH Control CHannel CCTrCH Coded Composite Transport CHannel CRC Cyclic Redundancy Check CTCH Common Traffic CHanne