ETSI TS 136 323-2017 LTE Evolved Universal Terrestrial Radio Access (E-UTRA) Packet Data Convergence Protocol (PDCP) specification (V14 4 0 3GPP TS 36 323 version 14 4 0 Release 14.pdf

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1、 ETSI TS 1Evolved Universal TPacket Data Converg(3GPP TS 36.3TECHNICAL SPECIFICATION136 323 V13.4.0 (2017LTE; l Terrestrial Radio Access (E-rgence Protocol (PDCP) spec.323 version 13.4.0 Release 1317-02) UTRA); ecification 13) ETSI ETSI TS 136 323 V13.4.0 (2017-02)13GPP TS 36.323 version 13.4.0 Rele

2、ase 13Reference RTS/TSGR-0236323vd40 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 noti

3、ce 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 authoriza

4、tion 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 a

5、ware 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 https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following

6、services: https:/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 versio

7、n shall not be modified 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 register

8、ed for the benefit 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 136 323 V13.4.0 (2017-02)23GPP TS 36.323 version

9、 13.4.0 Release 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: “Int

10、ellectual 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 investigation, inc

11、luding 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. Foreword The present document may refer to

12、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, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/que

13、ryform.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 Drafting Rules (Verbal forms for the expression of provisions). “must“ and

14、“must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 136 323 V13.4.0 (2017-02)33GPP TS 36.323 version 13.4.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions

15、 and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 7g34 General . 8g34.1 Introduction 8g34.2 PDCP architecture 8g34.2.1 PDCP structure . 8g34.2.2 PDCP entities 9g34.3 Services 10g34.3.1 Services provided to upper layers . 10g34.3.2 Services expected from lower layers 10g34.4 Functions 11

16、g34.5 Data available for transmission 11g35 PDCP procedures . 12g35.1 PDCP Data Transfer Procedures 12g35.1.1 UL Data Transfer Procedures . 12g35.1.2 DL Data Transfer Procedures . 13g35.1.2.1 Procedures for DRBs. 13g35.1.2.1.1 Void . 13g35.1.2.1.2 Procedures for DRBs mapped on RLC AM when the reorde

17、ring function is not used . 13g35.1.2.1.2a RN procedures for DRBs mapped on RLC AM 14g35.1.2.1.3 Procedures for DRBs mapped on RLC UM 14g35.1.2.1.3a RN procedures for DRBs mapped on RLC UM 15g35.1.2.1.4 Procedures for DRBs mapped on RLC AM and for LWA bearers when the reordering function is used 15g

18、35.1.2.1.4.1 Procedures when a PDCP PDU is received from the lower layers 15g35.1.2.1.4.2 Procedures when t-Reordering expires 16g35.1.2.1.4.3 Procedures when the value of t-Reordering is reconfigured 17g35.1.2.2 Procedures for SRBs . 17g35.1.3 SL Data Transmission Procedures 17g35.1.4 SL Data Recep

19、tion Procedures . 17g35.2 Re-establishment procedure . 18g35.2.1 UL Data Transfer Procedures . 18g35.2.1.1 Procedures for DRBs mapped on RLC AM 18g35.2.1.2 Procedures for DRBs mapped on RLC UM 18g35.2.1.3 Procedures for SRBs . 19g35.2.2 DL Data Transfer Procedures . 19g35.2.2.1 Procedures for DRBs m

20、apped on RLC AM while the reordering function is not used . 19g35.2.2.1a Procedures for DRBs mapped on RLC AM while the reordering function is used . 19g35.2.2.2 Procedures for DRBs mapped on RLC UM 19g35.2.2.3 Procedures for SRBs . 20g35.3 PDCP Status Report . 20g35.3.1 Transmit operation 20g35.3.2

21、 Receive operation . 20g35.4 PDCP discard . 20g35.5 Header Compression and Decompression 21g3ETSI ETSI TS 136 323 V13.4.0 (2017-02)43GPP TS 36.323 version 13.4.0 Release 135.5.1 Supported header compression protocols and profiles 21g35.5.2 Configuration of header compression . 21g35.5.3 Protocol par

22、ameters 21g35.5.4 Header compression 22g35.5.5 Header decompression 22g35.5.6 PDCP Control PDU for interspersed ROHC feedback packet 22g35.5.6.1 Transmit Operation . 22g35.5.6.2 Receive Operation . 22g35.6 Ciphering and Deciphering. 22g35.6.1 SL Ciphering and Deciphering for one-to-many communicatio

23、n . 23g35.6.2 SL Ciphering and Deciphering for one-to-one communication 23g35.7 Integrity Protection and Verification 23g35.8 Handling of unknown, unforeseen and erroneous protocol data 24g35.9 PDCP Data Recovery procedure 24g35.10 Status report for LWA 25g35.10.1 Transmit operation 25g35.10.2 LWA s

24、tatus report . 25g36 Protocol data units, formats and parameters . 26g36.1 Protocol data units 26g36.1.1 PDCP Data PDU . 26g36.1.2 PDCP Control PDU 26g36.2 Formats . 26g36.2.1 General 26g36.2.2 Control plane PDCP Data PDU 26g36.2.3 User plane PDCP Data PDU with long PDCP SN (12 bits) . 27g36.2.4 Use

25、r plane PDCP Data PDU with short PDCP SN (7 bits) 27g36.2.5 PDCP Control PDU for interspersed ROHC feedback packet 28g36.2.6 PDCP Control PDU for PDCP status report . 28g36.2.7 Void 29g36.2.8 RN user plane PDCP Data PDU with integrity protection 29g36.2.9 User plane PDCP Data PDU with extended PDCP

26、SN (15 bits) 29g36.2.10 User plane PDCP Data PDU for SLRB 30g36.2.11 User plane PDCP Data PDU with further extended PDCP SN (18 bits) 31g36.2.12 PDCP Control PDU for LWA status report 31g36.3 Parameters 33g36.3.1 General 33g36.3.2 PDCP SN 33g36.3.3 Data . 33g36.3.4 MAC-I 33g36.3.5 COUNT 33g36.3.6 R

27、. 34g36.3.7 D/C 34g36.3.8 PDU type 34g36.3.9 FMS 34g36.3.10 Bitmap 34g36.3.11 Interspersed ROHC feedback packet 35g36.3.12 PGK Index 35g36.3.13 PTK Identity . 35g36.3.14 SDU Type . 35g36.3.15 KD-sessID . 35g36.3.16 NMP 35g36.3.17 HRW . 35g36.3.18 P 36g37 Variables, constants and timers 36g37.1 State

28、 variables 36g37.2 Timers 36g37.3 Constants 37g3Annex A (informative): Change history . 38g3History 40 ETSI ETSI TS 136 323 V13.4.0 (2017-02)53GPP TS 36.323 version 13.4.0 Release 13Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The co

29、ntents 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 in version number as fol

30、lows: 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, corrections, updates, etc

31、. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 136 323 V13.4.0 (2017-02)63GPP TS 36.323 version 13.4.0 Release 131 Scope The present document provides the description of the Packet Data Convergence Protocol (PDCP). 2 References The

32、 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 no

33、t 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 fo

34、r 3GPP Specifications“. 2 3GPP TS 36.300: “Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description“. 3 3GPP TS 36.331: “Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource Control (RRC); Protocol Specifi

35、cation“. 4 3GPP TS 36.321: “Evolved Universal Terrestrial Radio Access (E-UTRA) Medium Access Control (MAC) protocol specification“. 5 3GPP TS 36.322: “Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Link Control (RLC) protocol specification“. 6 3GPP TS 33.401: “3GPP System Architecture Ev

36、olution: Security Architecture“. 7 IETF RFC 4995: “The RObust Header Compression (ROHC) Framework“. 8 IETF RFC 4996: “RObust Header Compression (ROHC): A Profile for TCP/IP (ROHC-TCP)“. 9 IETF RFC 3095: “RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP and uncompressed“.

37、10 IETF RFC 3843: “RObust Header Compression (ROHC): A Compression Profile for IP“. 11 IETF RFC 4815: “RObust Header Compression (ROHC): Corrections and Clarifications to RFC 3095“. 12 IETF RFC 5225: “RObust Header Compression (ROHC) Version 2: Profiles for RTP, UDP, IP, ESP and UDP Lite. 13 3GPP TS

38、 33.303: Proximity-based Services; Security Aspects. 14 3GPP TS 23.303: Proximity-based Services; Stage 2. 15 3GPP TS 36.360: Evolved Universal Terrestrial Radio Access (E-UTRA); LTE-WLAN Aggregation Adaptation Protocol (LWAAP) specification. ETSI ETSI TS 136 323 V13.4.0 (2017-02)73GPP TS 36.323 ver

39、sion 13.4.0 Release 133 Definitions and abbreviations 3.1 Definitions For the purposes 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

40、. NB-IoT: NB-IoT allows access to network services via E-UTRA with a channel bandwidth limited to 180 kHz. Split bearer: in dual connectivity, a bearer whose radio protocols are located in both the MeNB and the SeNB to use both MeNB and SeNB resources. LWA bearer: in LTE-WLAN Aggregation, a bearer w

41、hose radio protocols are located in both the eNB and the WLAN to use both eNB and WLAN resources. 3.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and the following apply. An abbreviation defined in the present document takes precedence over the defi

42、nition of the same abbreviation, if any, in TR 21.905 1. AM Acknowledged Mode ARP Address Resolution Protocol CID Context IdentifierDRB Data Radio Bearer carrying user plane data EPS Evolved Packet System E-UTRA Evolved UMTS Terrestrial Radio Access E-UTRAN Evolved UMTS Terrestrial Radio Access Netw

43、ork eNB E-UTRAN Node B FMS First missing PDCP SN HFN Hyper Frame Number HRW Highest Received PDCP SN on WLAN IETF Internet Engineering Task Force IP Internet Protocol L2 Layer 2 (data link layer) L3 Layer 3 (network layer) LWA LTE-WLAN AggregationMAC Medium Access Control MAC-I Message Authenticatio

44、n Code for Integrity MCG Master Cell Group NB-IoT Narrow Band Internet of Things NMP Number of Missing PDCP SDUs PDCP Packet Data Convergence Protocol PDU Protocol Data Unit PEK ProSe Encryption Key PGK ProSe Group Key ProSe Proximity-based Services PTK ProSe Traffic Key R Reserved RB Radio BearerRF

45、C Request For Comments RLC Radio Link ControlRN Relay Node ROHC RObust Header Compression RRC Radio Resource Control RTP Real Time Protocol SAP Service Access PointSCG Secondary Cell Group SDU Service Data Unit ETSI ETSI TS 136 323 V13.4.0 (2017-02)83GPP TS 36.323 version 13.4.0 Release 13SLRB Sidel

46、ink Radio Bearer carrying Sidelink Communication data SN Sequence Number SRB Signalling Radio Bearer carrying control plane data TCP Transmission Control Protocol UDP User Datagram Protocol UE User Equipment UM Unacknowledged Mode X-MAC Computed MAC-I 4 General 4.1 Introduction The present document

47、describes the functionality of the PDCP. Functionality specified for the UE equally applies to the RN for functionality necessary for the RN. There is also functionality which is only applicable to the RN in its communication with the E-UTRAN, in which case the specification denotes the RN instead o

48、f the UE. RN-specific behaviour is not applicable to the UE. The functionality specified for the UE applies to communication on Uu interface and PC5 interface 14. 4.2 PDCP architecture 4.2.1 PDCP structure Figure 4.2.1.1 represents one possible structure for the PDCP sublayer; it should not restrict

49、 implementation. The figure is based on the radio interface protocol architecture defined in 2. Figure 4.2.1.1 - PDCP layer, structure view Each RB (i.e. DRB, SLRB and SRB, except for SRB0 and SRB1bis) is associated with one PDCP entity. Each PDCP entity is associated with one or two (one for each direction) RLC entities depending on the RB characteristic (i.e. uni-directional or bi-directional) and RLC mode. For split bearers, each PDCP entity is associated with two AM RLC ETSI ETSI TS 136 323 V13.4.0 (2017-02)93GPP TS 36.32