Content for TR 26.917 Word version: 18.0.0
2 References
3 Definitions and abbreviations
4 Context and Motivation
5 Existing TV Service Layers and Essential Functionalities for TV Services
6 Use Cases
7 Architectural Considerations
8 Summary on Addressing Stage-1 Service Requirements
9 Conclusions and Recommendations
$ Change history
2 References p. 7
3 Definitions and abbreviations p. 8
3.1 Definitions p. 8
3.2 Abbreviations p. 8
4 Context and Motivation p. 10
4.1 3GPP enhancement for TV service p. 10
4.2 Stage-1 Service Requirements p. 11
4.3 Service Architecture Enhancements p. 11
4.4 Radio Access Network Enhancements p. 13
4.5 Objective of the present document p. 13
5 Existing TV Service Layers and Essential Functionalities for TV Services p. 14
5.1 Introduction p. 14
5.2 Existing Service Layer Functions p. 14
5.2.1 Introduction p. 14
5.2.2 Broadcast TV Service Signaling p. 14
5.2.3 DVB p. 14
5.2.3.1 General Description p. 14
5.2.3.2 DVB SI p. 15
5.2.4 ATSC 3.0 p. 17
5.2.4.1 General Description p. 17
5.2.4.2 Service Signaling p. 19
5.3 Typical Functionalities for TV Services p. 21
6 Use Cases p. 22
6.1 Introduction p. 22
6.2 TV Service Delivery over eMBMS p. 22
6.2.1 Description p. 22
6.2.2 Working Assumptions p. 22
6.2.3 Available Enablers and Gap Analysis p. 23
6.2.4 Optimization Potentials p. 27
6.2.5 Potential Solutions p. 28
6.2.5.1 General p. 28
6.2.5.2 Option 1: Extend USD with DTT Transport Signaling and EPG p. 28
6.2.5.3 Option 2: EPG Metadata Carried in Application Service Description p. 29
6.2.5.4 Option 3: EPG Data Delivery as Standalone MBMS User Service p. 29
6.2.5.5 Pros and Cons of the Alternative Methods p. 29
6.3 IP-Based Broadcast p. 31
6.3.1 Description p. 31
6.3.2 Working Assumptions p. 31
6.3.3 Recommended Requirements p. 31
6.3.4 Available Enablers in 3GPP p. 32
6.3.5 Gap Analysis p. 32
6.4 FTA Linear TV to Mobiles p. 32
6.4.1 Description p. 32
6.4.2 Working Assumptions p. 32
6.4.3 Recommended Requirements p. 33
6.4.4 Available Enablers in 3GPP, Gap Analysis and Optimization Potentials p. 33
6.5 FTA Linear TV to Stationary TVs p. 34
6.5.1 Description p. 34
6.5.2 Working Assumptions p. 35
6.5.3 Recommended Requirements p. 35
6.5.4 Available Enablers in 3GPP, Gap Analysis and Optimization Potentials p. 35
6.6 FTA Linear TV to Stationary TV and Mobiles p. 37
6.6.1 Description p. 37
6.6.2 Working Assumptions p. 37
6.6.3 Recommended Requirements p. 37
6.6.4 Realization Options p. 37
6.6.5 Gap Analysis p. 39
6.7 Extensibility p. 40
6.7.1 Description p. 40
6.7.2 Working Assumptions p. 40
6.7.3 Recommended Requirements p. 40
6.7.4 Available Enablers in 3GPP, Gap Analysis and Potential for Optimization p. 40
6.8 TV Service Delivery over Full MBMS Service Mode p. 41
6.9 File Delivery Services over MBMS p. 42
6.9.1 Use Cases and Descriptions p. 42
6.9.2 High-level Requirements on Content Ingestion and Transmission over MBMS p. 42
6.9.2.1 Introduction p. 42
6.9.2.2 Top-10 YouTube Video Delivery p. 42
6.9.3.3 Stock Ticker Service p. 43
6.9.3.4 Movie Download for Time-Shifted Viewing p. 43
6.9.3.5 Firmware Updates p. 44
6.9.3.6 eNews Delivery p. 44
6.9.3.7 Digital Signage p. 44
6.9.4 Use Case Independent Requirements p. 44
6.10 ATSC Service Layer in enTV p. 45
7 Architectural Considerations p. 49
7.1 MBMS Service Type 1: Transport only mode p. 49
7.1.1 Architecture and Interfaces p. 49
7.1.2 User Plane Modes p. 50
7.1.3 Control Plane for Receive-Only Mode p. 50
7.1.4 Working Assumptions p. 52
7.1.4.1 General p. 52
7.1.4.2 XMB Interface p. 52
7.1.4.3 BMSC to MBMS Client delivery p. 52
7.1.4.4 MBMS client to E-UTRAN p. 52
7.1.4.5 Service Announcement p. 52
7.1.4.6 MBMS-API p. 52
7.1.5 Gap Analysis p. 53
7.1.6 Optimization Potentials p. 53
7.2 MBMS Service Type 2: Full MBMS service mode p. 53
8 Summary on Addressing Stage-1 Service Requirements p. 55
9 Conclusions and Recommendations p. 58
$ Change history p. 61
