1、 ETSI TS 126 346 V14.5.0 (2018-01) Universal Mobile Telecommunications System (UMTS); LTE; Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs (3GPP TS 26.346 version 14.5.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 126 346 V14.5.0 (2018-01)13GPP TS 26.346 version 14.5.0 Relea
2、se 14Reference RTS/TSGS-0426346ve50 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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9、 26.346 version 14.5.0 Release 14Intellectual Property Rights Essential patents 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
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13、 those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer
14、 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, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key
15、/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 Drafting Rules (Verbal forms for the expression of provisions). “must“
16、and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 126 346 V14.5.0 (2018-01)33GPP TS 26.346 version 14.5.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 13g3Introduction 13g31 Scope 14g32 Refe
17、rences 14g33 Definitions and abbreviations . 19g33.1 Definitions 19g33.2 Abbreviations . 21g34 MBMS system description . 22g34.1 MBMS functional layers 22g34.2 MBMS User Service Entities . 23g34.3 MBMS bearer service architecture . 24g34.4 Functional Entities to support MBMS User Services . 24g34.4.
18、1 MBMS User Service Architecture 24g34.4.1a Content Provider / Multicast Broadcast Source 27g34.4.1b Group Communication Service Application Server (GCS AS) 27g34.4.2 MBMS Key Management Function 27g34.4.3 MBMS Session and Transmission Function . 27g34.4.4 User Service Discovery / Announcement funct
19、ion . 28g34.4.5 Interactive Announcement Function . 28g34.4.6 MBMS UE 28g34.5 Usage of identity of MBMS session . 28g34.6 Time Synchronization between the BM-SC and MBMS UEs . 29g35 Procedures and protocols 30g35.1 Introduction 30g35.2 User Service Discovery/Announcement . 30g35.2.1 Introduction. 30
20、g35.2.2 MBMS User Service Description Metadata Fragments 30g35.2.2.1 Introduction . 30g35.2.2.2 Session Description . 33g35.2.2.3 Associated Delivery Procedure Description 34g35.2.2.3A Consumption Reporting Description . 34g35.2.2.4 Security Description 34g35.2.2.5 FEC Repair Stream Description 34g3
21、5.2.2.6 Media Presentation Description 34g35.2.2.7 Schedule Description 35g35.2.2.8 Filter Description 35g35.2.2.9 Application Service Description . 36g35.2.3 User Service Announcement over a MBMS bearer 36g35.2.3.1 General 36g35.2.3.1.1 Service Announcement for Receive-Only-Mode Services 37g35.2.3.
22、1.2 Service Announcement for non Receive-Only-Mode Services . 37g35.2.3.2 Metadata Envelope Transport . 38g35.2.3.3 Metadata Envelope and Metadata Fragment Association with FLUTE 38g35.2.4 User Service Announcement using Interactive Announcement Function . 38g35.2.5 User Service Announcement over po
23、int-to-point push bearers. 38g35.2.5.1 General 38g35.2.5.2 Supported Metadata Syntaxes . 39g35.2.5.3 Consistency Control and Syntax Independence 39g35.2.5.4 Metadata Envelope Definition 39g3ETSI ETSI TS 126 346 V14.5.0 (2018-01)43GPP TS 26.346 version 14.5.0 Release 145.2.5.5 Delivery of the Metadat
24、a Envelope . 39g35.2.5.6 Void. 39g35.2.5.7 User service announcement over SMS bearers . 39g35.2.5.8 User service announcement over HTTP push bearers . 39g35.2.6 Metadata Fragment Encapsulation to aggregate Service Announcement Documents 39g35.2.7 Registration and Deregistration Procedure for MBMS Us
25、er Service Consumption . 40g35.3 User Service Initiation/Termination . 41g35.3.1 Initiation of MBMS Bearer Service based Services . 41g35.3.2 Termination of MBMS Bearer Service based Services 41g35.3.3 Initiation of Unicast Bearer Service based Services . 42g35.3.4 Termination of Unicast Bearer Serv
26、ice based Services 42g35.3.5 Scalable Service Initiation and Termination for MBMS Services 43g35.3.5.1 General 43g35.3.5.2 Randomization of Service Initiation over Time 43g35.3.5.3 Randomization of Service Termination over Time . 43g35.4 MBMS Data Transfer Procedure 44g35.4.1 MBMS Data Transfer Proc
27、edure using MBMS Bearer Services 44g35.4.2 MBMS Data Transfer Procedure using other UMTS Bearer Services . 45g35.4A Procedures between Content Provider and BM-SC 45g35.4A.1 General 45g35.4A.2 xMB reference point . 45g35.4A.3 Authentication and Authorization . 46g35.4A.3.1 Introduction . 46g35.4A.3.2
28、 Authentication Procedure 46g35.4A.3.3 Authorization Procedure . 47g35.4A.4 Service Management Procedures 48g35.4A.4.1 Introduction . 48g35.4A.4.2 Create Service . 48g35.4A.4.3 Get Service Properties . 48g35.4A.4.4 Update Service Properties . 48g35.4A.4.5 Terminate a Service. 49g35.4A.4.6 Service No
29、tifications . 49g35.4A.4.7 List of Service Properties 50g35.4A.5 Session Management Procedures 53g35.4A.5.1 Introduction . 53g35.4A.5.2 Create Session . 53g35.4A.5.3 Get Session Properties. 54g35.4A.5.4 Update Session Properties . 54g35.4A.5.5 Terminate a Session 55g35.4A.5.6 Session Properties . 55
30、g35.4A.6 User Plane Procedures 66g35.4A.6.1 Introduction . 66g35.4A.6.2 File Distribution 66g35.4A.6.3 RTP Streaming 66g35.4A.6.4 Transport . 66g35.4A.6.5 Notification Messages . 66g35.5 MBMS Protocols 68g35.6 3GP-DASH and MBMS . 68g35.7 Generic Application Service. 70g36 Introduction on Delivery Me
31、thods . 71g37 Download Delivery Method . 71g37.1 Introduction 71g37.2 FLUTE usage for MBMS download 72g37.2.0 General 72g37.2.1 Fragmentation of Files 72g37.2.2 Symbol Encoding Algorithm 72g37.2.3 Blocking Algorithm 73g37.2.4 Congestion Control . 73g37.2.5 Content Encoding of Files for Transport 73g
32、37.2.6 Transport File Grouping . 73g3ETSI ETSI TS 126 346 V14.5.0 (2018-01)53GPP TS 26.346 version 14.5.0 Release 147.2.7 Signalling of Parameters with Basic ALC/FLUTE Headers . 73g37.2.8 Signalling of Parameters with FLUTE Extension Headers . 74g37.2.9 Signalling of Parameters with FDT Instances .
33、74g37.2.10 FDT Schema . 75g37.2.10.1 Extended FLUTE FDT Schema 75g37.2.10.2 3GPP FDT Extension Type Schema . 77g37.2.10.3 IETF FDT Schema 78g37.2.10.4 Example of FDT 79g37.2.10.5 3GPP FDT Extensions 80g37.2.10.6 FEC Redundancy Level Extension . 80g37.2.11 MBMS Session Identity 80g37.2.12 FEC Scheme
34、definition . 80g37.2.12.1 General 80g37.2.13 Caching Directives 81g37.2.14 Indicating a full FDT snapshot . 81g37.2.15 Decryption key indicating of protected download data 82g37.3 SDP for Download Delivery Method . 82g37.3.1 Introduction. 82g37.3.2 SDP Parameters for MBMS download session . 82g37.3.
35、2.1 Sender IP address 83g37.3.2.2 Number of channels 83g37.3.2.3 Destination IP address and port number for channels . 83g37.3.2.4 Transport Session Identifier (TSI) of the session 83g37.3.2.5 Multiple objects transport indication . 84g37.3.2.6 Session Timing Parameters . 84g37.3.2.7 Mode of MBMS be
36、arer per media 84g37.3.2.8 FEC capabilities and related parameters . 84g37.3.2.9 Service-language(s) per media 85g37.3.2.10 Bandwidth Specification . 85g37.3.2.11 FEC Redundancy Level 85g37.3.2.12 Alternative TMGI . 86g37.3.3 SDP Examples for FLUTE Session 86g37.4 OMA Push usage for MBMS Download 87
37、g37.4.1 Introduction. 87g37.4.2 HTTP registration and deregistration procedure . 87g37.4.3 MBMS Download Delivery Method over OMA push bearers . 88g37.5 FLUTE session setup and control with RTSP 89g37.5.1 Introduction. 89g37.5.2 SDP handling 89g37.5.3 RTSP SETUP Method 89g37.5.4 RTSP PLAY Method 89g
38、37.5.5 RTSP PAUSE Method 89g37.5.6 RTSP TEARDOWN Method 89g37.6 Unicast Fallback and Switching Between Unicast/Broadcast Reception Modes for DASH-over-MBMS User Service and Generic Application Service 90g37.6.1 Introduction. 90g37.6.2 Extension of the deliveryMethod element . 90g37.6.2.1 Broadcast R
39、epresentation Specific Metadata 90g37.6.2.2 Unicast Resource Specific Metadata . 90g37.6.2.3 Additional Points . 91g37.6.3 Extension of the userServiceDescription element 91g37.6.3.0 General 91g37.6.3.1 Identical Content . 91g37.6.3.2 Alternative Content . 91g37.6.3.3 Reference to Unified MPD and ot
40、her Application Service Documents 92g37.7 Keep-Updated Service 92g37.7.1 Registration Procedure 92g37.7.2 Client Notification about Updates 93g37.8 Location-specific deliveryMethod 93g37.9 Partial File handling . 93g37.9.1 General 93g37.9.2 Partial File Handling with HTTP GET Method 94g3ETSI ETSI TS
41、 126 346 V14.5.0 (2018-01)63GPP TS 26.346 version 14.5.0 Release 147.9.2.1 Partial-File-Accept Request 94g37.9.2.2 HTTP Request Response Format for Partial Files 94g37.9.2.3 Example Client and Server Implementation for DASH-over-MBMS 95g37.9.3 Signaling Independent Units . 96g37.9.3.1 Introduction .
42、 96g37.9.3.2 FDT Instance Signaling . 96g37.10 File Delivery Manifest 97g37.10.1 General 97g38 Streaming delivery method 100g38.1 Introduction 100g38.2 Transport protocol 100g38.2.1 RTP payload formats for media 100g38.2.2 FEC mechanism for RTP 101g38.2.2.0 General 101g38.2.2.1 Sending Terminal Oper
43、ation (Informative) . 102g38.2.2.2 Receiving Terminal Operation (Informative) 103g38.2.2.3 (Void) 103g38.2.2.4 Packet format for FEC source packets 103g38.2.2.5 Packet Format for Repair packets . 104g38.2.2.6 Void. 104g38.2.2.7 FEC block Construction algorithm and example (informative) 104g38.2.2.8
44、Void. 105g38.2.2.9 Source FEC Payload ID 105g38.2.2.10 Repair FEC payload ID . 105g38.2.2.10a FEC Object Transmission information 105g38.2.2.11 Hypothetical FEC Decoder . 106g38.2.2.12 Void. 106g38.2.2.13 Signalling 106g38.2.2.13a SDP for FEC source packet streams . 107g38.2.2.14 SDP for FEC repair
45、packet streams . 107g38.2.2.15 Signalling example for FEC 107g38.2.3 General RTP Header Extension Mechanism. 110g38.2.3.1 Introduction . 110g38.2.3.2 Timestamp Offset 110g38.3 Session description . 111g38.3.1 SDP Parameters for MBMS streaming session . 111g38.3.1.1 Sender IP address 111g38.3.1.2 Des
46、tination IP address and port number for channels . 111g38.3.1.3 Media Description . 112g38.3.1.4 Session Timing Parameters . 112g38.3.1.5 Mode of MBMS bearer per media 112g38.3.1.6 Service-language(s) per media 112g38.3.1.7 Bandwidth specification 112g38.3.1.8 FEC Parameters . 112g38.3.1.9 FEC Flow
47、ID attribute . 113g38.3.1.10 Buffer Requirement Signaling 114g38.3.1.11 Interleaving Signaling . 114g38.3.2 SDP Example for Streaming Session 114g38.3.2.1 SDP Description for QoE Metrics . 115g38.3.2.2 OMA-DM Configuration of QoE Metrics . 116g38.3.3 SDP Examples for Transparent Session 120g38.4 Qua
48、lity of Experience . 120g38.4.1 General 120g38.4.2 QoE Metrics 121g38.4.2.1 Corruption duration metric 121g38.4.2.2 Rebuffering duration metric 122g38.4.2.3 Initial buffering duration metric 122g38.4.2.4 Successive loss of RTP packets 123g38.4.2.5 Frame rate deviation 123g38.4.2.6 Jitter duration 12
49、3g38.4.2.7 Content Access/Switch Time 124g3ETSI ETSI TS 126 346 V14.5.0 (2018-01)73GPP TS 26.346 version 14.5.0 Release 148.4.2.8 Network Resource . 124g38.4.2.9 Average codec bitrate . 124g38.4.2.10 Codec information 125g38.4.2.11 Loss of Objects 125g38.4.2.12 Distribution of Symbol Count Underrun for Failed Blocks 125g38.4.3 Example metrics initiation with SDP 126g38.5 Using MBMS Streaming delivery on Unicast 127g38A Group Communication Delivery Method . 127g38A.1 Overview 127g38A.2 Transport Method . 128g38A.3 Session Description Information 128g38A.3.2 Session Description
