ETSI TS 126 346-2017 Universal Mobile Telecommunications System (UMTS) LTE Multimedia Broadcast Multicast Service (MBMS) Protocols and codecs (V14 4 0 3GPP TS 26 346 version 14 4 0.pdf

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1、 ETSI TS 126 346 V14.2.0 (2017-04) Universal Mobile Telecommunications System (UMTS); LTE; Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs (3GPP TS 26.346 version 14.2.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 126 346 V14.2.0 (2017-04)13GPP TS 26.346 version 14.2.0 Relea

2、se 14Reference RTS/TSGS-0426346ve20 Keywords LTE,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

3、notice 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 autho

4、rization 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

5、be aware 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 follow

6、ing 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 ve

7、rsion 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 regi

8、stered 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 126 346 V14.2.0 (2017-04)23GPP TS 26.346 ver

9、sion 14.2.0 Release 14Intellectual 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:

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 investigation,

11、 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. Foreword This Technical Specification (

12、TS) has been produced by 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 c

13、ross reference between 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 desc

14、ribed in clause 3.2 of 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 126 346 V14.2.0 (2017-04)33GPP TS 26.346 version 14.2.0 Release 14Contents Intellectual Propert

15、y Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 12g3Introduction 12g31 Scope 13g32 References 13g33 Definitions and abbreviations . 18g33.1 Definitions 18g33.2 Abbreviations . 19g34 MBMS system description . 20g34.1 MBMS functional layers 20g34.2 MBMS User Service Entities . 21g34.3

16、MBMS bearer service architecture . 22g34.4 Functional Entities to support MBMS User Services . 22g34.4.1 MBMS User Service Architecture 22g34.4.1a Content Provider / Multicast Broadcast Source 25g34.4.1b Group Communication Service Application Server (GCS AS) 25g34.4.2 MBMS Key Management Function 2

17、5g34.4.3 MBMS Session and Transmission Function . 25g34.4.4 User Service Discovery / Announcement function . 26g34.4.5 Interactive Announcement Function . 26g34.4.6 MBMS UE 26g34.5 Usage of identity of MBMS session . 26g34.6 Time Synchronization between the BM-SC and MBMS UEs . 27g35 Procedures and

18、protocols 28g35.1 Introduction 28g35.2 User Service Discovery/Announcement . 28g35.2.1 Introduction. 28g35.2.2 MBMS User Service Description Metadata Fragments 28g35.2.2.1 Introduction . 28g35.2.2.2 Session Description . 31g35.2.2.3 Associated Delivery Procedure Description 32g35.2.2.3A Consumption

19、Reporting Description . 32g35.2.2.4 Security Description 32g35.2.2.5 FEC Repair Stream Description 32g35.2.2.6 Media Presentation Description 32g35.2.2.7 Schedule Description 33g35.2.2.8 Filter Description 33g35.2.2.9 Application Service Description . 34g35.2.3 User Service Announcement over a MBMS

20、bearer 34g35.2.3.1 General 34g35.2.3.2 Metadata Envelope Transport . 35g35.2.3.3 Metadata Envelope and Metadata Fragment Association with FLUTE 35g35.2.4 User Service Announcement using Interactive Announcement Function . 35g35.2.5 User Service Announcement over point-to-point push bearers. 35g35.2.

21、5.1 General 35g35.2.5.2 Supported Metadata Syntaxes . 36g35.2.5.3 Consistency Control and Syntax Independence 36g35.2.5.4 Metadata Envelope Definition 36g35.2.5.5 Delivery of the Metadata Envelope . 36g35.2.5.6 Void. 36g3ETSI ETSI TS 126 346 V14.2.0 (2017-04)43GPP TS 26.346 version 14.2.0 Release 14

22、5.2.5.7 User service announcement over SMS bearers . 36g35.2.5.8 User service announcement over HTTP push bearers . 36g35.2.6 Metadata Fragment Encapsulation to aggregate Service Announcement Documents 36g35.2.7 Registration and Deregistration Procedure for MBMS User Service Consumption . 37g35.3 Us

23、er Service Initiation/Termination . 38g35.3.1 Initiation of MBMS Bearer Service based Services . 38g35.3.2 Termination of MBMS Bearer Service based Services 38g35.3.3 Initiation of Unicast Bearer Service based Services . 39g35.3.4 Termination of Unicast Bearer Service based Services 39g35.3.5 Scalab

24、le Service Initiation and Termination for MBMS Services 40g35.3.5.1 General 40g35.3.5.2 Randomization of Service Initiation over Time 40g35.3.5.3 Randomization of Service Termination over Time . 40g35.4 MBMS Data Transfer Procedure 41g35.4.1 MBMS Data Transfer Procedure using MBMS Bearer Services 41

25、g35.4.2 MBMS Data Transfer Procedure using other UMTS Bearer Services . 42g35.4A Procedures between Content Provider and BM-SC 42g35.4A.1 General 42g35.4A.2 xMB reference point . 42g35.4A.3 Authentication and Authorization . 43g35.4A.3.1 Introduction . 43g35.4A.3.2 Authentication Procedure 43g35.4A.

26、3.3 Authorization Procedure . 43g35.4A.4 Service Management Procedures 44g35.4A.4.1 Introduction . 44g35.4A.4.2 Create Service . 44g35.4A.4.3 Get Service Properties . 44g35.4A.4.4 Update Service Properties . 45g35.4A.4.5 Terminate a Service. 45g35.4A.4.6 Service Notifications . 46g35.4A.4.7 List of

27、Service Properties 46g35.4A.5 Session Management Procedures 49g35.4A.5.1 Introduction . 49g35.4A.5.2 Create Session . 50g35.4A.5.3 Get Session Properties. 50g35.4A.5.4 Update Session Properties . 50g35.4A.5.5 Terminate a Session 51g35.4A.5.6 Session Properties . 51g35.4A.6 User Plane Procedures 60g3

28、5.4A.6.1 Introduction . 60g35.4A.6.2 File Distribution 60g35.4A.6.3 RTP Streaming 61g35.4A.6.4 Transport . 61g35.4A.6.5 Notification Messages . 61g35.5 MBMS Protocols 62g35.6 3GP-DASH and MBMS . 63g35.7 Generic Application Service. 64g36 Introduction on Delivery Methods . 65g37 Download Delivery Met

29、hod . 65g37.1 Introduction 65g37.2 FLUTE usage for MBMS download 66g37.2.0 General 66g37.2.1 Fragmentation of Files 67g37.2.2 Symbol Encoding Algorithm 67g37.2.3 Blocking Algorithm 67g37.2.4 Congestion Control . 67g37.2.5 Content Encoding of Files for Transport 67g37.2.6 Transport File Grouping . 67

30、g37.2.7 Signalling of Parameters with Basic ALC/FLUTE Headers . 68g37.2.8 Signalling of Parameters with FLUTE Extension Headers . 68g3ETSI ETSI TS 126 346 V14.2.0 (2017-04)53GPP TS 26.346 version 14.2.0 Release 147.2.9 Signalling of Parameters with FDT Instances . 69g37.2.10 FDT Schema . 70g37.2.10.

31、1 Extended FLUTE FDT Schema 70g37.2.10.2 3GPP FDT Extension Type Schema . 72g37.2.10.3 IETF FDT Schema 73g37.2.10.4 Example of FDT 74g37.2.10.5 3GPP FDT Extensions 75g37.2.10.6 FEC Redundancy Level Extension . 75g37.2.11 MBMS Session Identity 75g37.2.12 FEC Scheme definition . 75g37.2.12.1 General 7

32、5g37.2.13 Caching Directives 76g37.2.14 Indicating a full FDT snapshot . 76g37.2.15 Decryption key indicating of protected download data 77g37.3 SDP for Download Delivery Method . 77g37.3.1 Introduction. 77g37.3.2 SDP Parameters for MBMS download session . 77g37.3.2.1 Sender IP address 78g37.3.2.2 N

33、umber of channels 78g37.3.2.3 Destination IP address and port number for channels . 78g37.3.2.4 Transport Session Identifier (TSI) of the session 78g37.3.2.5 Multiple objects transport indication . 79g37.3.2.6 Session Timing Parameters . 79g37.3.2.7 Mode of MBMS bearer per media 79g37.3.2.8 FEC capa

34、bilities and related parameters . 79g37.3.2.9 Service-language(s) per media 80g37.3.2.10 Bandwidth Specification . 80g37.3.2.11 FEC Redundancy Level 80g37.3.2.12 Alternative TMGI . 81g37.3.3 SDP Examples for FLUTE Session 81g37.4 OMA Push usage for MBMS Download 82g37.4.1 Introduction. 82g37.4.2 HTT

35、P registration and deregistration procedure . 82g37.4.3 MBMS Download Delivery Method over OMA push bearers . 83g37.5 FLUTE session setup and control with RTSP 84g37.5.1 Introduction. 84g37.5.2 SDP handling 84g37.5.3 RTSP SETUP Method 84g37.5.4 RTSP PLAY Method 84g37.5.5 RTSP PAUSE Method 84g37.5.6

36、RTSP TEARDOWN Method 84g37.6 Unicast Fallback and Switching Between Unicast/Broadcast Reception Modes for DASH-over-MBMS User Service and Generic Application Service 85g37.6.1 Introduction. 85g37.6.2 Extension of the deliveryMethod element . 85g37.6.2.1 Broadcast Representation Specific Metadata 85g

37、37.6.2.2 Unicast Resource Specific Metadata . 85g37.6.2.3 Additional Points . 86g37.6.3 Extension of the userServiceDescription element 86g37.6.3.0 General 86g37.6.3.1 Identical Content . 86g37.6.3.2 Alternative Content . 86g37.6.3.3 Reference to Unified MPD and other Application Service Documents 8

38、7g37.7 Keep-Updated Service 87g37.7.1 Registration Procedure 87g37.7.2 Client Notification about Updates 88g37.8 Location-specific deliveryMethod 88g37.9 Partial File handling . 88g37.9.1 General 88g37.9.2 Partial File Handling with HTTP GET Method 89g37.9.2.1 Partial-File-Accept Request 89g37.9.2.2

39、 HTTP Request Response Format for Partial Files 89g3ETSI ETSI TS 126 346 V14.2.0 (2017-04)63GPP TS 26.346 version 14.2.0 Release 147.9.2.3 Example Client and Server Implementation for DASH-over-MBMS 90g37.9.3 Signaling Independent Units . 91g37.9.3.1 Introduction . 91g37.9.3.2 FDT Instance Signaling

40、 . 91g38 Streaming delivery method 92g38.1 Introduction 92g38.2 Transport protocol 92g38.2.1 RTP payload formats for media 92g38.2.2 FEC mechanism for RTP 92g38.2.2.0 General 92g38.2.2.1 Sending Terminal Operation (Informative) . 94g38.2.2.2 Receiving Terminal Operation (Informative) 94g38.2.2.3 (Vo

41、id) 95g38.2.2.4 Packet format for FEC source packets 95g38.2.2.5 Packet Format for Repair packets . 95g38.2.2.6 Void. 95g38.2.2.7 FEC block Construction algorithm and example (informative) 95g38.2.2.8 Void. 96g38.2.2.9 Source FEC Payload ID 96g38.2.2.10 Repair FEC payload ID . 96g38.2.2.10a FEC Obje

42、ct Transmission information 96g38.2.2.11 Hypothetical FEC Decoder . 97g38.2.2.12 Void. 97g38.2.2.13 Signalling 97g38.2.2.13a SDP for FEC source packet streams . 98g38.2.2.14 SDP for FEC repair packet streams . 98g38.2.2.15 Signalling example for FEC 98g38.2.3 General RTP Header Extension Mechanism.

43、101g38.2.3.1 Introduction . 101g38.2.3.2 Timestamp Offset 101g38.3 Session description . 102g38.3.1 SDP Parameters for MBMS streaming session . 102g38.3.1.1 Sender IP address 102g38.3.1.2 Destination IP address and port number for channels . 102g38.3.1.3 Media Description . 103g38.3.1.4 Session Timi

44、ng Parameters . 103g38.3.1.5 Mode of MBMS bearer per media 103g38.3.1.6 Service-language(s) per media 103g38.3.1.7 Bandwidth specification 103g38.3.1.8 FEC Parameters . 103g38.3.1.9 FEC Flow ID attribute . 104g38.3.1.10 Buffer Requirement Signaling 105g38.3.1.11 Interleaving Signaling . 105g38.3.2 S

45、DP Example for Streaming Session 105g38.3.2.1 SDP Description for QoE Metrics . 106g38.3.2.2 OMA-DM Configuration of QoE Metrics . 107g38.4 Quality of Experience . 111g38.4.1 General 111g38.4.2 QoE Metrics 111g38.4.2.1 Corruption duration metric 112g38.4.2.2 Rebuffering duration metric 113g38.4.2.3

46、Initial buffering duration metric 113g38.4.2.4 Successive loss of RTP packets 113g38.4.2.5 Frame rate deviation 114g38.4.2.6 Jitter duration 114g38.4.2.7 Content Access/Switch Time 114g38.4.2.8 Network Resource . 114g38.4.2.9 Average codec bitrate . 115g38.4.2.10 Codec information 115g38.4.2.11 Loss

47、 of Objects 116g38.4.2.12 Distribution of Symbol Count Underrun for Failed Blocks 116g3ETSI ETSI TS 126 346 V14.2.0 (2017-04)73GPP TS 26.346 version 14.2.0 Release 148.4.3 Example metrics initiation with SDP 117g38.5 Using MBMS Streaming delivery on Unicast 117g38A Group Communication Delivery Metho

48、d . 118g38A.1 Overview 118g38A.2 Transport Method . 119g38A.3 Session Description Information 119g38A.3.2 Session Description Parameters 119g38A.3.2.1 Minimum Components of Session Description . 119g38A.3.2.2 Multicast destination IP address and port number 119g38A.3.2.3 Source IP Address . 119g38A.

49、3.2.4 TMGI of the MBMS Bearer 120g39 Associated delivery procedures 120g39.1 Introduction 120g39.2 Associated Procedure Description 121g39.3 File Repair Procedure . 121g39.3.1 Introduction. 121g39.3.2 Starting Time of the Associated Delivery Procedure for MBMS Download Delivery . 122g39.3.3 Identification of Missing Data from an MBMS Download 123g39.3.4 Back-off Timing the Procedure Initiation Messaging for Scalability . 123g39.3.4.1 Offset time. 124g39.3.4.2 Random Time Period 124g39.3.4.3 Back-off Time . 124g39.3.4.4 Reset of the Back-off Timer 124g39.3.5 File Repair Server