1、 ETSI TS 125 323 V14.0.0 (2017-04) Universal Mobile Telecommunications System (UMTS); Packet Data Convergence Protocol (PDCP) specification (3GPP TS 25.323 version 14.0.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 125 323 V14.0.0 (2017-04)13GPP TS 25.323 version 14.0.0 Release 14Reference RTS/
2、TSGR-0225323ve00 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 docu
3、ment 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 authorization of ETSI. In ca
4、se 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 aware that the docum
5、ent may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https:/po
6、rtal.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 be modi
7、fied without 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
8、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 125 323 V14.0.0 (2017-04)23GPP TS 25.323 version 14.0.0 Release 14I
9、ntellectual 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
10、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 searches
11、, 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 produced b
12、y 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 between
13、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 3.2 of
14、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 125 323 V14.0.0 (2017-04)33GPP TS 25.323 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword .
15、2g3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 References 7g33 Definitions and Abbreviations 7g33.1 Definitions 7g33.2 Abbreviations . 8g34 General . 9g34.1 Objective 9g34.2 Overview on sublayer architecture . 9g35 Functions 10g35.1 Header Compression 10g35.1.1 Mapping of PID values . 10g3
16、5.1.2 IP Header Compression (RFC 2507) 11g35.1.2.1 Context identifiers . 11g35.1.2.2 Mapping of PID values for RFC 2507 11g35.1.2.3 Management of Full Header transmission . 11g35.1.3 Robust Header Compression. 12g35.1.3.1 Context identifiers . 12g35.1.3.2 Void. 12g35.1.3.3 Mapping of PID values . 12
17、g35.1.3.4 Void. 12g35.1.3.5 Protocol Parameters 12g35.1.3.6 Configuration by RRC 13g35.2 Void 13g35.3 Data Transfer 13g35.3.1 Data transfer over acknowledged mode RLC . 14g35.3.2 Data transfer over unacknowledged and transparent mode RLC 14g35.4 SRNS Relocation 15g35.4.1 Lossless SRNS Relocation 15g
18、35.4.1.1 Void. 15g35.4.1.2 Void. 15g35.4.1.3 Void. 15g35.4.2 Context relocation . 15g35.5 Lossless DL RLC PDU size change . 17g35.6 General procedures . 18g35.6.1.1 PDCP Sequence Numbering . 18g35.6.1.2 PDCP Sequence Number synchronization 18g35.6.1.3 Sequence Number and Data Forwarding. 19g35.6.1.4
19、 CS Counter Handling 20g35.7 Header Compression and Decompression for MBMS . 20g35.7.1 Cell change inside the same cell group . 20g35.7.2 Cell change between cell groups . 20g36 Services 20g36.1 Services provided to upper layers . 20g36.2 Services expected from RLC layer . 20g37 Elements for layer-t
20、o-layer communication . 21g37.1 Primitives between PDCP and upper layers . 21g38 Elements for peer-to-peer communication . 22g3ETSI ETSI TS 125 323 V14.0.0 (2017-04)43GPP TS 25.323 version 14.0.0 Release 148.1 Protocol data units 22g38.2 Formats . 23g38.2.1 PDCP-No-Header PDU 23g38.2.2 PDCP Data PDU
21、 . 23g38.2.3 PDCP SeqNum PDU 23g38.2.4 PDCP AMR Data PDU . 24g38.3 Parameters 24g38.3.1 PDU Type . 24g38.3.2 PID 24g38.3.3 Data . 24g38.3.4 Sequence number 25g38.3.5 CS counter 25g39 Handling of unknown, unforeseen and erroneous protocol data 25g39.1 Invalid PDU type 25g39.2 Invalid PID value 25g39.
22、3 PDCP Unrecoverable Error Detection 25g3Annex A (normative): ROHC performance testing 27g3A.1 Introduction 27g3A.1.1 Purpose of the performance testing . 27g3A.1.2 Input sequence for uncompressed headers 27g3A.1.3 Feedback format for the test cases 28g3A.1.4 Feedback generation for test cases (R-mo
23、de only) . 28g3A.1.5 Calculation of compressed header size . 29g3A.2 Test outline RoHC RTP Profile 0x0001 29g3A.2.1 Test 1a - Base test of ROHC RTP O-mode compressor . 29g3A.2.1.1 Test purpose 29g3A.2.1.2 Sequence details 29g3A.2.1.3 Test requirement . 30g3A.2.2 Test 1b - Base test of ROHC RTP R-mod
24、e compressor . 30g3A.2.2.1 Test purpose 30g3A.2.2.2 Sequence details 30g3A.2.2.3 Test requirement . 31g3A.2.3 Void 32g3A.2.3.1 Void. 32g3A.2.3.2 Void. 32g3A.2.3.3 Void. 32g3A.2.4 Void 32g3A.2.4.1 Void. 32g3A.2.4.2 Void. 32g3A.2.4.3 Void. 32g3A.2.5 Test 3a - Re-establishment of TS function after DTX
25、in O-mode 32g3A.2.5.1 Test purpose 32g3A.2.5.2 Sequence details 32g3A.2.5.3 Test requirement . 33g3A.2.6 Test 3b - Re-establishment of TS function after DTX in R-mode 33g3A.2.6.1 Test purpose 33g3A.2.6.2 Sequence details 33g3A.2.6.3 Test requirement . 34g3A.2.7 Test 4a - Compressor response to singl
26、e lost packets in O-mode . 34g3A.2.7.1 Test purpose 34g3A.2.7.2 Sequence details 34g3A.2.7.3 Test requirement . 34g3A.2.8 Test 4b - Compressor response to single lost packets in R-mode . 34g3A.2.8.1 Test purpose 34g3A.2.8.2 Sequence details 34g3A.2.8.3 Test requirement . 35g3A.2.9 Void 35g3A.2.9.1 V
27、oid. 35g3A.2.9.2 Void. 35g3A.2.9.3 Void. 35g3ETSI ETSI TS 125 323 V14.0.0 (2017-04)53GPP TS 25.323 version 14.0.0 Release 14A.2.10 Void 35g3A.2.10.1 Void. 35g3A.2.10.2 Void. 35g3A.2.10.3 Void. 35g3A.2.11 Test 6a - TS function during DTX with varying delta in O-mode 35g3A.2.11.1 Test purpose 35g3A.2.
28、11.2 Sequence details 35g3A.2.11.3 Test requirement . 36g3A.2.12 Test 6b - TS function during DTX with varying delta in R-mode 36g3A.2.12.1 Test purpose 36g3A.2.12.2 Sequence details 36g3A.2.12.3 Test requirement . 37g3A.2.13 Test 7a SRNS relocation in O-mode 37g3A.2.13.1 Test purpose 37g3A.2.13.2 S
29、equence details 37g3A.2.13.3 Test requirement . 37g3A.3 Test packet structures . 39g3Annex B (informative): Reference model for generating ROHC performance requirements 42g3B.1 Introduction 42g3B.2 For Voice over IP (VoIP) optimisation 42g3B.2.1 ROHC parameters optimisations for VoIP . 42g3B.2.2 Par
30、ameter setting for ROHC reference model for VoIP . 42g3B.2.3 Setting the parameter value N in test cases for VoIP 42g3Annex C (informative): Change history . 43g3History 45g3ETSI ETSI TS 125 323 V14.0.0 (2017-04)63GPP TS 25.323 version 14.0.0 Release 14Foreword This Technical Specification (TS) has
31、been produced by the 3rdGeneration 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 identi
32、fying 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
33、 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 125 323 V14.0.0 (2017-04)73GPP TS 25.323 version 14.0.0 Release 141 Scope The present document provides the descrip
34、tion of the Packet Data Convergence Protocol (PDCP). 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.)
35、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 s
36、ame Release as the present document. 1 3GPP TS 23.060: “General Packet Radio Service (GPRS); Service description; Stage 2“. 2 3GPP TS 25.331: “Radio Resource Control (RRC); protocol specification“. 3 3GPP TS 25.301: “Radio Interface Protocol Architecture“. 4 3GPP TS 25.303: “Interlayer Procedures in
37、 Connected Mode“. 5 3GPP TS 25.322: “RLC Protocol Specification“. 6 IETF RFC 2507: “IP Header Compression“. 7 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 8 IETF RFC 3095: “RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP, and uncompressed“. 9 IETF RFC 3096: “Req
38、uirements for robust IP/UDP/RTP header compression“. 10 IETF RFC 4815: “ RObust Header Compression (ROHC): Corrections and Clarifications to RFC 3095“. 11 3GPP TS 26.101: “Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure“. 12 3GPP TS 26.201:
39、“Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Frame structure“. 3 Definitions and Abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in 7 and the following apply. N-context Refers collectively to
40、both N-context-C and N-context-D. N-context* Refers collectively to both N-context-C* and N-context-D*. N-context-C The compression context for downlink in SRNC at any given point of time. N-context-C* The frozen snapshot of the compression context for downlink taken by SRNC. N-context-C-static* The
41、 frozen snapshot of the static part of the compression context for downlink taken by SRNC. N-context-D The decompression context for uplink in SRNC at any given point of time. ETSI ETSI TS 125 323 V14.0.0 (2017-04)83GPP TS 25.323 version 14.0.0 Release 14N-context-D* The frozen snapshot of the decom
42、pression context for uplink taken by SRNC. N-context-D-static* The frozen snapshot of the static part of the decompression context for uplink taken by SRNC. M-context Refers collectively to both M-context-C and M-context-D. M-context* Refers collectively to both M-context-C* and M-context-D*. M-cont
43、ext-C The compression context for uplink in UE at any given point of time. M-context-C* The frozen snapshot of the compression context for uplink taken by UE. M-context-C-static* The frozen snapshot of the static part of the compression context for uplink taken by UE. M-context-D The decompression c
44、ontext for downlink in UE at any given point of time. M-context-D* The frozen snapshot of the decompression context for downlink taken by UE. M-context-D-static* The frozen snapshot of the static part of the decompression context for downlink taken by UE. M-HC Entity located in the mobile terminal t
45、hat performs header compression for uplink (i.e. UE PDCP) M-HCD Refers collectively to both M-HC and M-HD. M-HD Entity located in the mobile terminal that performs header decompression for downlink (i.e. UE PDCP) N-HC Entity located in the network that performs header compression for downlink (i.e.
46、RNC PDCP) N-HCD Refers collectively to N-HC and N-HD N-HD Entity located in the network that performs header decompression for uplink (i.e. RNC PDCP) 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: AMR Adaptive Multi-Rate AS Access Stratum CID Context I
47、dentifier C-SAP Control Service Access Point HC Header Compression IETF Internet Engineering Task Force IP Internet Protocol L2 Layer 2 (data link layer) L3 Layer 3 (network layer) MBMS Multimedia Broadcast Multicast Service M-HC Mobile Header Compressor M-HCD Mobile Header Compressor/Decompressor M
48、-HD Mobile Header Decompressor NAS Non Access Stratum N-HC Network Header Compressor N-HCD Network Header Compressor/Decompressor N-HD Network Header Decompressor PDCP Packet Data Convergence Protocol PDU Protocol Data Unit PID Packet IdentifierPPP Point-to-Point Protocol p-t-p Point-to-Pointp-t-m P
49、oint-to-Multipoint RB Radio Bearer RFC Request For Comments RLC Radio Link ControlRNC Radio Network Controller ROHC RObust Header Compression RTP Real Time Protocol SDU Service Data Unit TCP Transmission Control Protocol UDP User Datagram Protocol UE User Equipment UMTS Universal Mobile Telecommunications System UTRA UMTS Terrestrial Radio Access ETSI ETSI TS 125 323 V14.0.0 (2017-04)93GPP TS 25.323 version 14.0.0 Release 14UTRAN UMTS Terrestrial Radio Access Network 4 General 4.1 Objective The present document describes the functionality o
