1、 ETSI TS 125 322 V13.0.0 (2016-01) Universal Mobile Telecommunications System (UMTS); Radio Link Control (RLC) protocol specification (3GPP TS 25.322 version 13.0.0 Release 13) TECHNICAL SPECIFICATION ETSI ETSI TS 125 322 V13.0.0 (2016-01) 1 3GPP TS 25.322 version 13.0.0 Release 13Reference RTS/TSGR
2、-0225322vd00 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
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7、he 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, UMTSTM and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Member
8、s. 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 V13.0.0 (2016-01) 2 3GPP TS 25.322 version 13.0.0 Release 13Intellectual
9、 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 (IPR
10、s); 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 been
11、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 3rd
12、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, UMTS,
13、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 ETSI Dr
14、afting 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 V13.0.0 (2016-01) 3 3GPP TS 25.322 version 13.0.0 Release 13Contents Intellectual Property Rights 2 Foreword. 2 Modal ver
15、bs terminology . 2 Foreword. 7 1 Scope 8 2 References 8 3 Definitions and abbreviations . 8 3.1 Definitions . 8 3.2 Abbreviations . 8 4 General . 9 4.1 Objective 9 4.2 Overview of the RLC sublayer architecture 10 4.2.1 Model of the RLC sublayer 10 4.2.1.1 Transparent mode (TM) RLC entities 12 4.2.1.
16、1.1 Transmitting TM RLC entity 12 4.2.1.1.2 Receiving TM RLC entity. 12 4.2.1.2 Unacknowledged mode (UM) RLC entities . 13 4.2.1.2.1 Transmitting UM RLC entity 14 4.2.1.2.2 Receiving UM RLC entity 14 4.2.1.3 Acknowledged mode (AM) RLC entity . 15 4.2.1.3.1 Transmitting side 16 4.2.1.3.2 Receiving si
17、de . 17 5 Functions 17 6 Services provided to upper layers 18 6.1 Mapping of services/functions onto logical channels 19 7 Services expected from MAC 21 8 Elements for layer-to-layer communication . 21 8.1 Primitives between RLC and upper layers . 21 8.2 Primitive parameters 23 9 Elements for peer-t
18、o-peer communication . 24 9.1 Protocol data units . 24 9.1.1 Data PDUs 24 9.1.2 Control PDUs . 25 9.2 Formats and parameters . 25 9.2.1 Formats . 25 9.2.1.1 General . 26 9.2.1.2 TMD PDU 26 9.2.1.3 UMD PDU 26 9.2.1.4 AMD PDU 26 9.2.1.5 STATUS PDU 27 9.2.1.6 Piggybacked STATUS PDU 28 9.2.1.7 RESET, RE
19、SET ACK PDU . 28 9.2.2 Parameters 28 9.2.2.1 D/C field . 29 9.2.2.2 PDU Type . 29 9.2.2.3 Sequence Number (SN) 29 9.2.2.4 Polling bit (P) . 29 9.2.2.5 Extension bit (E) . 29 9.2.2.6 Reserved 1 (R1) 30 9.2.2.7 Header Extension Type (HE) 30 9.2.2.8 Length Indicator (LI) 30 ETSI ETSI TS 125 322 V13.0.0
20、 (2016-01) 4 3GPP TS 25.322 version 13.0.0 Release 139.2.2.9 Data field 34 9.2.2.10 Padding (PAD) . 36 9.2.2.11 SUFI . 36 9.2.2.11.1 The No More Data super-field 37 9.2.2.11.2 The Acknowledgement super-field . 37 9.2.2.11.3 The Window Size super-field . 37 9.2.2.11.4 The List super-field . 38 9.2.2.
21、11.5 The Bitmap super-field . 38 9.2.2.11.6 The Relative List super-field . 39 9.2.2.11.7 The Move Receiving Window Acknowledgement super-field . 40 9.2.2.11.8 The Move Receiving Window (MRW) super-field 40 9.2.2.11.9 The Poll (POLL) super-field . 41 9.2.2.12 Reserved 2 (R2) 41 9.2.2.13 Reset Sequen
22、ce Number (RSN) 41 9.2.2.14 Hyper Frame Number Indicator (HFNI) . 42 9.3 Protocol states 42 9.3.1 State model for transparent mode entities 42 9.3.1.1 NULL State 42 9.3.1.2 DATA_TRANSFER_READY State 42 9.3.2 State model for unacknowledged mode entities . 42 9.3.2.1 NULL State 42 9.3.2.2 DATA_TRANSFE
23、R_READY State 43 9.3.2.3 LOCAL_SUSPEND State 43 9.3.3 State model for acknowledged mode entities . 44 9.3.3.1 NULL State 44 9.3.3.2 DATA_TRANSFER_READY State 44 9.3.3.3 RESET_PENDING State . 44 9.3.3.4 LOCAL_SUSPEND State 46 9.3.3.5 RESET_AND_SUSPEND State . 46 9.4 State variables 46 9.5 Timers 49 9
24、.6 Protocol Parameters . 51 9.7 Specific functions 52 9.7.1 Polling function for acknowledged mode. 52 9.7.2 STATUS transmission for acknowledged mode 54 9.7.3 SDU discard function for acknowledged, unacknowledged, and transparent mode 55 9.7.3.1 Timer based discard, with explicit signalling . 55 9.
25、7.3.2 Timer based discard, without explicit signalling 56 9.7.3.3 SDU discard after MaxDAT number of transmissions . 56 9.7.3.4 No_discard after MaxDAT number of transmissions . 56 9.7.3.5 SDU discard not configured . 56 9.7.4 Void 57 9.7.5 Local Suspend function for acknowledged and unacknowledged
26、mode 57 9.7.6 RLC Stop, RLC Continue function for acknowledged and unacknowledged mode 57 9.7.7 RLC re-establishment function for acknowledged and unacknowledged mode 58 9.7.8 Ciphering for acknowledged and unacknowledged mode 60 9.7.9 Reconfiguration of RLC parameters by upper layers . 60 9.7.10 Du
27、plicate avoidance and reordering for unacknowledged mode 61 10 Handling of unknown, unforeseen and erroneous protocol data 63 10.1 Erroneous Sequence Number . 63 10.2 Inconsistent status indication . 63 10.3 Invalid PDU format . 63 10.4 RLC PDU with CRC error . 63 11 Elementary procedures . 63 11.1
28、Transparent mode data transfer procedure . 64 11.1.1 General . 64 11.1.2 Transmission of TMD PDU . 64 11.1.2.1 TMD PDU contents to set 64 11.1.2.2 Submission of TMD PDUs to the lower layer 64 11.1.3 Reception of TMD PDU 65 ETSI ETSI TS 125 322 V13.0.0 (2016-01) 5 3GPP TS 25.322 version 13.0.0 Releas
29、e 1311.1.4 Abnormal cases 65 11.1.4.1 Void 65 11.1.4.2 SDU discard without explicit signalling . 65 11.2 Unacknowledged mode data transfer procedure 65 11.2.1 General . 65 11.2.2 Transmission of UMD PDU . 66 11.2.2.1 UMD PDU contents to set 66 11.2.2.2 Submission of UMD PDUs to the lower layer . 66
30、11.2.3 Reception of UMD PDU 67 11.2.3.1 SDU discard and re-assembly . 67 11.2.3.2 Out of sequence SDU delivery . 68 11.2.4 Abnormal cases 69 11.2.4.1 Length Indicator value reserved for UMD PDU. 69 11.2.4.2 Invalid length indicator value . 69 11.2.4.3 SDU discard without explicit signalling . 69 11.
31、2.4.4 Invalid PDU size . 69 11.3 Acknowledged mode data transfer procedure 69 11.3.1 General . 69 11.3.2 Transmission of AMD PDU . 70 11.3.2.1 AMD PDU contents to set 71 11.3.2.1.1 Setting of the Polling bit . 72 11.3.2.1.2 Void 72 11.3.2.2 Submission of AMD PDUs to lower layer . 72 11.3.3 Reception
32、 of AMD PDU by the Receiver 72 11.3.3a Reached maximum number of attempts . 73 11.3.4 Abnormal cases 73 11.3.4.1 Void 73 11.3.4.2 Receiving an AMD PDU outside the reception window 73 11.3.4.3 Timer_Discard timeout . 74 11.3.4.3.1 SDU discard with explicit signalling 74 11.3.4.4 Void 74 11.3.4.5 Inva
33、lid length indicator value . 74 11.3.4.6 Length Indicator value reserved for AMD PDU. 74 11.3.4.7 Void 74 11.3.4.8 Receiving an AMD PDU within the reception window more than once (Handling of Duplicates) . 74 11.3.4.9 Full Buffer Behavior . 74 11.3.4.10 Invalid PDU size . 75 11.3.5 Transmission of P
34、OLL SUFI . 75 11.4 RLC reset procedure 75 11.4.1 General . 75 11.4.2 Initiation . 75 11.4.2.1 RESET PDU contents to set . 76 11.4.3 Reception of the RESET PDU by the Receiver . 76 11.4.3.1 RESET ACK PDU contents to set 77 11.4.4 Reception of the RESET ACK PDU by the Sender . 77 11.4.4a Reached maxim
35、um number of attempts . 78 11.4.5 Abnormal cases 78 11.4.5.1 Timer_RST timeout 78 11.4.5.2 Void 78 11.4.5.3 Reception of the RESET PDU by the Sender . 78 11.5 STATUS report transfer procedure 79 11.5.1 General . 79 11.5.2 Initiation . 79 11.5.2.1 Piggybacked STATUS PDU 79 11.5.2.2 STATUS PDU content
36、s to set 79 11.5.2.3 Submission of STATUS PDUs to the lower layer 80 11.5.3 Reception of the STATUS PDU by the Sender 81 11.5.4 Abnormal cases 81 11.5.4.1 Void 81 11.6 SDU discard with explicit signalling procedure 81 11.6.1 General . 81 11.6.2 Initiation . 82 ETSI ETSI TS 125 322 V13.0.0 (2016-01)
37、6 3GPP TS 25.322 version 13.0.0 Release 1311.6.2.1 Void 82 11.6.2.2 STATUS PDU contents to set 83 11.6.3 Reception of the STATUS PDU by the Receiver. 84 11.6.3.1 STATUS PDU contents to set 84 11.6.4 Termination 85 11.6.5 Expiration of timer Timer_MRW . 85 11.6.6 Abnormal cases 85 11.6.6.1 Reception
38、of obsolete/corrupted MRW SUFI by the Receiver . 85 11.6.6.2 Void 86 11.6.6.3 Reception of obsolete/corrupted MRW_ACK SUFI by the Sender . 86 11.7 Void . 86 11.8 Void . 86 Annex A (informative): Change history . 87 History 91 ETSI ETSI TS 125 322 V13.0.0 (2016-01) 7 3GPP TS 25.322 version 13.0.0 Rel
39、ease 13Foreword 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 doc
40、ument, 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 con
41、trol. 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 ETSI TS 125 322 V13.0.0 (2016-01) 8 3GPP TS 25.322 version 13.0.0 Re
42、lease 131 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 mode. 2 References The following documents contain provisions which, through reference in this
43、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
44、 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 TS 25.401: “UTRAN Overall Description“. 2 3GPP TR 25.990: “Vocabulary for UTRAN“. 3 3GPP TS 25.301
45、: “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 in Idle Mode and Procedures for Cell Reselection in Connected Mode“. 7 3GPP TS 25.321: “Medium Access
46、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 abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in 2 app
47、ly. 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 V13.0.0 (2
48、016-01) 9 3GPP TS 25.322 version 13.0.0 Release 13CCH Control CHannel CCTrCH Coded Composite Transport CHannel 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 For
49、ward 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 Bit MAC 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 point-to-multipoint Scheduling CHannel MTCH MBMS point-to-multipoint Traffic CHannel PCCH Paging Control CHannel PCH Paging CHannel PDU Protocol Data Unit PHY PHYsical layer PhyCH Physical CHanne
