1、 ETSI TS 125 322 V14.0.0 (2017-04) Universal Mobile Telecommunications System (UMTS); Radio Link Control (RLC) protocol specification (3GPP TS 25.322 version 14.0.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 125 322 V14.0.0 (2017-04)13GPP TS 25.322 version 14.0.0 Release 14Reference RTS/TSGR-0
2、225322ve00 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. European Telecommunications Standards Institute 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its
8、 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 125 322 V14.0.0 (2017-04)23GPP TS 25.322 version 14.0.0 Release 14Intelle
9、ctual 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 Property Rights
10、 (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 searches, has
11、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 produced by ETSI
12、 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 between GSM, U
13、MTS, 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 3.2 of the ET
14、SI 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 125 322 V14.0.0 (2017-04)33GPP TS 25.322 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Mod
15、al verbs terminology 2g3Foreword . 7g31 Scope 8g32 References 8g33 Definitions and abbreviations . 8g33.1 Definitions 8g33.2 Abbreviations . 8g34 General . 10g34.1 Objective 10g34.2 Overview of the RLC sublayer architecture . 10g34.2.1 Model of the RLC sublayer 10g34.2.1.1 Transparent mode (TM) RLC
16、entities . 12g34.2.1.1.1 Transmitting TM RLC entity . 12g34.2.1.1.2 Receiving TM RLC entity . 13g34.2.1.2 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 si
17、de . 16g34.2.1.3.2 Receiving side . 17g35 Functions 17g36 Services provided to upper layers 18g36.1 Mapping 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 Primi
18、tive parameters. 23g39 Elements for peer-to-peer communication . 25g39.1 Protocol data units 25g39.1.1 Data PDUs 25g39.1.2 Control PDUs 25g39.2 Formats and parameters 26g39.2.1 Formats . 26g39.2.1.1 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.
19、2.1.6 Piggybacked STATUS PDU . 28g39.2.1.7 RESET, RESET ACK PDU 28g39.2.2 Parameters. 28g39.2.2.1 D/C field 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
20、.2.8 Length Indicator (LI). 30g3ETSI ETSI TS 125 322 V14.0.0 (2017-04)43GPP TS 25.322 version 14.0.0 Release 149.2.2.9 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
21、 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 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) sup
22、er-field 41g39.2.2.12 Reserved 2 (R2) 42g39.2.2.13 Reset Sequence Number (RSN) 42g39.2.2.14 Hyper Frame 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 u
23、nacknowledged mode entities 43g39.3.2.1 NULL State . 43g39.3.2.2 DATA_TRANSFER_READY State . 43g39.3.2.3 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 45g39.3.3.4 LOCAL_SUS
24、PEND State . 46g39.3.3.5 RESET_AND_SUSPEND State . 47g39.4 State variables 47g39.5 Timers 50g39.6 Protocol Parameters 52g39.7 Specific functions . 53g39.7.1 Polling function for acknowledged mode . 53g39.7.2 STATUS transmission for acknowledged mode . 54g39.7.3 SDU discard function for acknowledged,
25、 unacknowledged, and transparent mode . 56g39.7.3.1 Timer based discard, with explicit signalling 56g39.7.3.2 Timer based discard, without explicit signalling . 56g39.7.3.3 SDU discard after MaxDAT number of transmissions . 57g39.7.3.4 No_discard after MaxDAT number of transmissions . 57g39.7.3.5 SD
26、U discard not configured 57g39.7.4 Void 57g39.7.5 Local Suspend function for acknowledged and unacknowledged mode. 57g39.7.6 RLC Stop, RLC Continue function for acknowledged and unacknowledged mode . 58g39.7.7 RLC re-establishment function for acknowledged and unacknowledged mode . 58g39.7.8 Cipheri
27、ng for acknowledged and unacknowledged mode 60g39.7.9 Reconfiguration of RLC parameters by upper layers . 61g39.7.10 Duplicate avoidance and reordering for unacknowledged mode 62g310 Handling of unknown, unforeseen and erroneous protocol data 63g310.1 Erroneous Sequence Number . 64g310.2 Inconsisten
28、t status indication 64g310.3 Invalid PDU format 64g310.4 RLC PDU with CRC error . 64g311 Elementary procedures . 64g311.1 Transparent mode data transfer procedure . 65g311.1.1 General 65g311.1.2 Transmission of TMD PDU 65g311.1.2.1 TMD PDU contents to set . 65g311.1.2.2 Submission of TMD PDUs to the
29、 lower layer 65g311.1.3 Reception of TMD PDU . 66g3ETSI ETSI TS 125 322 V14.0.0 (2017-04)53GPP TS 25.322 version 14.0.0 Release 1411.1.4 Abnormal cases . 66g311.1.4.1 Void. 66g311.1.4.2 SDU discard without explicit signalling . 66g311.2 Unacknowledged mode data transfer procedure. 66g311.2.1 General
30、 66g311.2.2 Transmission of UMD PDU . 67g311.2.2.1 UMD PDU contents to set . 67g311.2.2.2 Submission of UMD PDUs to the lower layer 67g311.2.3 Reception of UMD PDU . 68g311.2.3.1 SDU discard and re-assembly . 68g311.2.3.2 Out of sequence SDU delivery 69g311.2.4 Abnormal cases . 70g311.2.4.1 Length I
31、ndicator value reserved for UMD PDU . 70g311.2.4.2 Invalid length indicator value 70g311.2.4.3 SDU discard without explicit signalling . 70g311.2.4.4 Invalid PDU size . 71g311.3 Acknowledged mode data transfer procedure 71g311.3.1 General 71g311.3.2 Transmission of AMD PDU . 71g311.3.2.1 AMD PDU con
32、tents to set . 73g311.3.2.1.1 Setting of the Polling bit 73g311.3.2.1.2 Void . 73g311.3.2.2 Submission of AMD PDUs to lower layer 73g311.3.3 Reception of AMD PDU by the Receiver . 74g311.3.3a Reached maximum number of attempts 75g311.3.4 Abnormal cases . 75g311.3.4.1 Void. 75g311.3.4.2 Receiving an
33、AMD PDU outside the reception window . 75g311.3.4.3 Timer_Discard timeout . 75g311.3.4.3.1 SDU discard with explicit signalling . 75g311.3.4.4 Void. 75g311.3.4.5 Invalid length indicator value 75g311.3.4.6 Length Indicator value reserved for AMD PDU . 75g311.3.4.7 Void. 76g311.3.4.8 Receiving an AMD
34、 PDU within the reception window more than once (Handling of Duplicates) 76g311.3.4.9 Full Buffer Behavior . 76g311.3.4.10 Invalid PDU size . 76g311.3.5 Transmission of POLL SUFI 76g311.4 RLC reset procedure . 77g311.4.1 General 77g311.4.2 Initiation 77g311.4.2.1 RESET PDU contents to set 78g311.4.3
35、 Reception of the RESET PDU by the Receiver 78g311.4.3.1 RESET ACK PDU contents to set 78g311.4.4 Reception of the RESET ACK PDU by the Sender 79g311.4.4a Reached maximum number of attempts 79g311.4.5 Abnormal cases . 79g311.4.5.1 Timer_RST timeout 79g311.4.5.2 Void. 80g311.4.5.3 Reception of the RE
36、SET PDU by the Sender . 80g311.5 STATUS report transfer procedure 80g311.5.1 General 80g311.5.2 Initiation 81g311.5.2.1 Piggybacked STATUS PDU . 81g311.5.2.2 STATUS PDU contents to set . 81g311.5.2.3 Submission of STATUS PDUs to the lower layer 82g311.5.3 Reception of the STATUS PDU by the Sender 82
37、g311.5.4 Abnormal cases . 83g311.5.4.1 Void. 83g311.6 SDU discard with explicit signalling procedure . 83g311.6.1 General 83g311.6.2 Initiation 83g3ETSI ETSI TS 125 322 V14.0.0 (2017-04)63GPP TS 25.322 version 14.0.0 Release 1411.6.2.1 Void. 84g311.6.2.2 STATUS PDU contents to set . 84g311.6.3 Recep
38、tion of the STATUS PDU by the Receiver . 85g311.6.3.1 STATUS PDU contents to set . 86g311.6.4 Termination. 86g311.6.5 Expiration of timer Timer_MRW . 87g311.6.6 Abnormal cases . 87g311.6.6.1 Reception of obsolete/corrupted MRW SUFI by the Receiver . 87g311.6.6.2 Void. 87g311.6.6.3 Reception of obsol
39、ete/corrupted MRW_ACK SUFI by the Sender 87g311.7 Void 88g311.8 Void 88g3Annex A (informative): Change history . 89g3History 94g3ETSI ETSI TS 125 322 V14.0.0 (2017-04)73GPP TS 25.322 version 14.0.0 Release 14Foreword This Technical Specification (TS) has been produced by the 3rdGeneration Partnershi
40、p 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
41、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, c
42、orrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 125 322 V14.0.0 (2017-04)83GPP TS 25.322 version 14.0.0 Release 141 Scope The present document specifies the Radio Link Control protocol for the UE-UTRAN radio
43、interface. Features for the current Release: - Transparent mode. - Unacknowledged mode. - Acknowledged 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 dat
44、e 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 implicitl
45、y refers to the latest version of that document in the same Release as the present document. 1 3GPP 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“
46、. 5 3GPP TS 25.303: “Interlayer procedures in Connected Mode“. 6 3GPP TS 25.304: “UE Procedures in 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 spec
47、ification“. 9 3GPP TS 33.102: “3G security; Security architecture“. 3 Definitions and abbreviations 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
48、Acknowledged Mode AMD Acknowledged Mode Data ARQ Automatic Repeat Request ETSI ETSI TS 125 322 V14.0.0 (2017-04)93GPP TS 25.322 version 14.0.0 Release 14BCCH Broadcast Control CHannel BCH Broadcast CHannel C- Control-CCCH Common Control CHannel CCH Control CHannel CCTrCH Coded Composite Transport CH
49、annel CRC Cyclic Redundancy Check CTCH Common Traffic CHannel DCCH Dedicated Control CHannel DCH Dedicated CHannel DL DownLink DSCH Downlink Shared CHannel DTCH Dedicated Traffic CHannel FACH Forward link Access CHannel FDD Frequency Division Duplex L1 Layer 1 (physical layer) L2 Layer 2 (data link layer) L3 Layer 3 (network layer) LI Length Indicator LSB Least Significant BitMAC Medium Access Control MBMS Multmedia Broadcast Multicast Service MCCH MBMS point-to-multipoint Control CHannel MRW Move Receiving Window MSB Most Significant Bit MSCH MBMS p
