1、 ETSI TS 126 346 V13.4.0 (2016-04) Universal Mobile Telecommunications System (UMTS); LTE; Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs (3GPP TS 26.346 version 13.4.0 Release 13) TECHNICAL SPECIFICATION ETSI ETSI TS 126 346 V13.4.0 (2016-04)13GPP TS 26.346 version 13.4.0 Relea
2、se 13Reference RTS/TSGS-0426346vd40 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
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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 2016. 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 V13.4.0 (2016-04)23GPP TS 26.346 ver
9、sion 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:
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 V13.4.0 (2016-04)33GPP TS 26.346 version 13.4.0 Release 13Contents 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 31g35.2.2.4 Security Desc
19、ription 31g35.2.2.5 FEC Repair Stream Description 31g35.2.2.6 Media Presentation Description 32g35.2.2.7 Schedule Description 32g35.2.2.8 Filter Description 33g35.2.2.9 Application Service Description . 33g35.2.3 User Service Announcement over a MBMS bearer 33g35.2.3.1 General 33g35.2.3.2 Metadata E
20、nvelope Transport . 34g35.2.3.3 Metadata Envelope and Metadata Fragment Association with FLUTE 34g35.2.4 User Service Announcement using Interactive Announcement Function . 34g35.2.5 User Service Announcement over point-to-point push bearers. 35g35.2.5.1 General 35g35.2.5.2 Supported Metadata Syntax
21、es . 35g35.2.5.3 Consistency Control and Syntax Independence 35g35.2.5.4 Metadata Envelope Definition 35g35.2.5.5 Delivery of the Metadata Envelope . 35g35.2.5.6 Void. 35g35.2.5.7 User service announcement over SMS bearers . 35g35.2.5.8 User service announcement over HTTP push bearers . 35g3ETSI ETS
22、I TS 126 346 V13.4.0 (2016-04)43GPP TS 26.346 version 13.4.0 Release 135.2.6 Metadata Fragment Encapsulation to aggregate Service Announcement Documents 36g35.2.7 Registration and Deregistration Procedure for MBMS User Service Consumption . 36g35.3 User Service Initiation/Termination . 37g35.3.1 Ini
23、tiation of MBMS Bearer Service based Services . 37g35.3.2 Termination of MBMS Bearer Service based Services 37g35.3.3 Initiation of Unicast Bearer Service based Services . 38g35.3.4 Termination of Unicast Bearer Service based Services 38g35.3.5 Scalable Service Initiation and Termination for MBMS Se
24、rvices 39g35.3.5.1 General 39g35.3.5.2 Randomization of Service Initiation over Time 39g35.3.5.3 Randomization of Service Termination over Time . 39g35.4 MBMS Data Transfer Procedure 40g35.4.1 MBMS Data Transfer Procedure using MBMS Bearer Services 40g35.4.2 MBMS Data Transfer Procedure using other
25、UMTS Bearer Services . 41g35.5 MBMS Protocols 41g35.6 3GP-DASH and MBMS . 41g35.7 Generic Application Service. 43g36 Introduction on Delivery Methods . 43g37 Download Delivery Method . 44g37.1 Introduction 44g37.2 FLUTE usage for MBMS download 44g37.2.0 General 44g37.2.1 Fragmentation of Files 45g37
26、.2.2 Symbol Encoding Algorithm 45g37.2.3 Blocking Algorithm 45g37.2.4 Congestion Control . 45g37.2.5 Content Encoding of Files for Transport 46g37.2.6 Transport File Grouping . 46g37.2.7 Signalling of Parameters with Basic ALC/FLUTE Headers . 46g37.2.8 Signalling of Parameters with FLUTE Extension H
27、eaders . 47g37.2.9 Signalling of Parameters with FDT Instances . 47g37.2.10 FDT Schema . 48g37.2.10.1 Extended FLUTE FDT Schema 48g37.2.10.2 3GPP FDT Extension Type Schema . 50g37.2.10.3 IETF FDT Schema 51g37.2.10.4 Example of FDT 52g37.2.10.5 3GPP FDT Extensions 53g37.2.10.6 FEC Redundancy Level Ex
28、tension . 53g37.2.11 MBMS Session Identity 53g37.2.12 FEC Scheme definition . 53g37.2.12.1 General 53g37.2.13 Caching Directives 53g37.2.14 Indicating a full FDT snapshot . 54g37.2.15 Decryption key indicating of protected download data 54g37.3 SDP for Download Delivery Method . 55g37.3.1 Introducti
29、on. 55g37.3.2 SDP Parameters for MBMS download session . 55g37.3.2.1 Sender IP address 55g37.3.2.2 Number of channels 56g37.3.2.3 Destination IP address and port number for channels . 56g37.3.2.4 Transport Session Identifier (TSI) of the session 56g37.3.2.5 Multiple objects transport indication . 56
30、g37.3.2.6 Session Timing Parameters . 56g37.3.2.7 Mode of MBMS bearer per media 57g37.3.2.8 FEC capabilities and related parameters . 57g37.3.2.9 Service-language(s) per media 58g37.3.2.10 Bandwidth Specification . 58g37.3.2.11 FEC Redundancy Level 58g37.3.2.12 Alternative TMGI . 58g37.3.3 SDP Examp
31、les for FLUTE Session 59g3ETSI ETSI TS 126 346 V13.4.0 (2016-04)53GPP TS 26.346 version 13.4.0 Release 137.4 OMA Push usage for MBMS Download 60g37.4.1 Introduction. 60g37.4.2 HTTP registration and deregistration procedure . 60g37.4.3 MBMS Download Delivery Method over OMA push bearers . 61g37.5 FLU
32、TE session setup and control with RTSP 61g37.5.1 Introduction. 61g37.5.2 SDP handling 62g37.5.3 RTSP SETUP Method 62g37.5.4 RTSP PLAY Method 62g37.5.5 RTSP PAUSE Method 62g37.5.6 RTSP TEARDOWN Method 62g37.6 Unicast Fallback and Switching Between Unicast/Broadcast Reception Modes for DASH-over-MBMS
33、User Service and Generic Application Service 62g37.6.1 Introduction. 62g37.6.2 Extension of the deliveryMethod element . 63g37.6.2.1 Broadcast Representation Specific Metadata 63g37.6.2.2 Unicast Resource Specific Metadata . 63g37.6.2.3 Additional Points . 63g37.6.3 Extension of the userServiceDescr
34、iption element 64g37.6.3.0 General 64g37.6.3.1 Identical Content . 64g37.6.3.2 Alternative Content . 64g37.6.3.3 Reference to Unified MPD and other Application Service Documents 64g37.7 Keep-Updated Service 64g37.7.1 Registration Procedure 64g37.7.2 Client Notification about Updates 65g37.8 Location
35、-specific deliveryMethod 65g37.9 Partial File handling . 66g37.9.1 General 66g37.9.2 Partial File Handling with HTTP GET Method 67g37.9.2.1 Partial-File-Accept Request 67g37.9.2.2 HTTP Request Response Format for Partial Files 67g37.9.2.3 Example Client and Server Implementation for DASH-over-MBMS 6
36、7g37.9.3 Signaling Independent Units . 69g37.9.3.1 Introduction . 69g37.9.3.2 FDT Instance Signaling . 69g38 Streaming delivery method 69g38.1 Introduction 69g38.2 Transport protocol 69g38.2.1 RTP payload formats for media 69g38.2.2 FEC mechanism for RTP 70g38.2.2.0 General 70g38.2.2.1 Sending Termi
37、nal Operation (Informative) . 71g38.2.2.2 Receiving Terminal Operation (Informative) 72g38.2.2.3 (Void) 72g38.2.2.4 Packet format for FEC source packets 72g38.2.2.5 Packet Format for Repair packets . 72g38.2.2.6 Void. 73g38.2.2.7 FEC block Construction algorithm and example (informative) 73g38.2.2.8
38、 Void. 73g38.2.2.9 Source FEC Payload ID 74g38.2.2.10 Repair FEC payload ID . 74g38.2.2.10a FEC Object Transmission information 74g38.2.2.11 Hypothetical FEC Decoder . 74g38.2.2.12 Void. 75g38.2.2.13 Signalling 75g38.2.2.13a SDP for FEC source packet streams . 75g38.2.2.14 SDP for FEC repair packet
39、streams . 75g38.2.2.15 Signalling example for FEC 76g38.2.3 General RTP Header Extension Mechanism. 78g38.2.3.1 Introduction . 78g3ETSI ETSI TS 126 346 V13.4.0 (2016-04)63GPP TS 26.346 version 13.4.0 Release 138.2.3.2 Timestamp Offset 79g38.3 Session description . 79g38.3.1 SDP Parameters for MBMS s
40、treaming session . 79g38.3.1.1 Sender IP address 80g38.3.1.2 Destination IP address and port number for channels . 80g38.3.1.3 Media Description . 80g38.3.1.4 Session Timing Parameters . 80g38.3.1.5 Mode of MBMS bearer per media 80g38.3.1.6 Service-language(s) per media 80g38.3.1.7 Bandwidth specifi
41、cation 80g38.3.1.8 FEC Parameters . 81g38.3.1.9 FEC Flow ID attribute . 81g38.3.1.10 Buffer Requirement Signaling 82g38.3.1.11 Interleaving Signaling . 82g38.3.2 SDP Example for Streaming Session 82g38.3.2.1 SDP Description for QoE Metrics . 83g38.3.2.2 OMA-DM Configuration of QoE Metrics . 84g38.4
42、Quality of Experience . 89g38.4.1 General 89g38.4.2 QoE Metrics 89g38.4.2.1 Corruption duration metric 90g38.4.2.2 Rebuffering duration metric 90g38.4.2.3 Initial buffering duration metric 91g38.4.2.4 Successive loss of RTP packets 91g38.4.2.5 Frame rate deviation 91g38.4.2.6 Jitter duration 92g38.4
43、.2.7 Content Access/Switch Time 92g38.4.2.8 Network Resource . 92g38.4.2.9 Average codec bitrate . 92g38.4.2.10 Codec information 93g38.4.2.11 Loss of Objects 93g38.4.2.12 Distribution of Symbol Count Underrun for Failed Blocks 93g38.4.3 Example metrics initiation with SDP 94g38.5 Using MBMS Streami
44、ng delivery on Unicast 95g38A Group Communication Delivery Method . 96g38A.1 Overview 96g38A.2 Transport Method . 96g38A.3 Session Description Information 96g38A.3.2 Session Description Parameters 97g38A.3.2.1 Minimum Components of Session Description . 97g38A.3.2.2 Multicast destination IP address
45、and port number 97g38A.3.2.3 Source IP Address . 97g38A.3.2.4 TMGI of the MBMS Bearer 97g39 Associated delivery procedures 97g39.1 Introduction 97g39.2 Associated Procedure Description 98g39.3 File Repair Procedure . 99g39.3.1 Introduction. 99g39.3.2 Starting Time of the Associated Delivery Procedur
46、e for MBMS Download Delivery . 99g39.3.3 Identification of Missing Data from an MBMS Download 100g39.3.4 Back-off Timing the Procedure Initiation Messaging for Scalability . 101g39.3.4.1 Offset time. 101g39.3.4.2 Random Time Period 101g39.3.4.3 Back-off Time . 101g39.3.4.4 Reset of the Back-off Time
47、r 101g39.3.5 File Repair Server Selection . 102g39.3.5.1 List of Server URIs . 102g39.3.5.2 Selection from the Server URI List . 102g39.3.6 File Repair Request Messages 102g39.3.6.0 General 102g3ETSI ETSI TS 126 346 V13.4.0 (2016-04)73GPP TS 26.346 version 13.4.0 Release 139.3.6.1 Symbol-Based File
48、Repair Request Message Format . 103g39.3.6.2 Byte-Range-Based File Repair Request Message Format . 105g39.3.7 File Repair Response Message . 106g39.3.7.1 Symbol-Based File Repair Response Messages Codes . 107g39.3.7.2 Symbol-Based File Repair Response Message Format for HTTP Carriage of Repair Data
49、. 108g39.3.7.2a Byte-Range-Based File Repair Response Message Format for HTTP Carriage of Repair Data . 109g39.3.7.3 File Repair Response for Broadcast/Multicast of Repair Data 109g39.3.7.4 File Repair Response Message Format for HTTP carriage of Complete Files . 110g39.3.8 Server Not Responding Error Case . 110g39.3.9 Full File Repair Without the FDT . 111g39.3.9.1 Introduction . 111g39.3.9.2 File Repair Using the FileSchedule . 111g39.3.9.3 File Repair Using the FDTInstanceURI in the Session Schedule . 111g39.4 The Reception Reporting Procedure. 111g39.4.0 Generic Reception
