TR 23.846
Multimedia Broadcast/Multicast Service (MBMS); Stage 2
V6.1.0 (Wzip)
2003/01 114 p.
- Rapporteur:
- Ing. Jarvis, Andre
NOKIA UK R&D Ltd
full Table of Contents for TR 23.846 Word version: 6.1.0
1 Scope p. 8
The present document discusses architectural issues and describes functionalities required for the Multimedia Broadcast/Multicast Service. MBMS requirements are discussed in [2] and it is the intention of this document to present one or more alternatives to achieving the required functionality within 3GPP networks.
2 References p. 8
3 Definitions and abbreviations p. 8
3.1 Definitions p. 8
3.2 Abbreviations p. 8
4 Introduction p. 9
5 High Level Functionality p. 9
5.1 Architecture Principles p. 9
5.2 Architectural Overview p. 10
5.3 MBMS Reference Points p. 12
5.4 High Level Functions p. 12
5.4.1 Authentication and Authorization p. 12
5.4.1.1 Content Provider Authentication and Authorization p. 12
5.4.1.2 User Authentication and Authorization p. 12
5.4.2 Efficient Routing and Resource Usage p. 12
5.4.3 Mobility Management and Service Continuity p. 12
5.4.4 Service Initiation and Termination p. 13
5.4.5 Charging p. 13
5.4.6 Security p. 13
5.4.7 Addressing p. 14
5.4.8 Roaming p. 14
5.4.9 MBMS Service Provision Phases p. 15
6 Functions and Entities p. 16
6.1 UTRAN/GERAN Functionality p. 17
6.1.1 Broadcast Mode p. 17
6.1.2 Multicast Mode p. 17
6.2 SGSN Functions p. 17
6.3 GGSN functions p. 17
6.4 UE functions p. 18
6.5 Other MBMS functions p. 19
6.6 MBMS Context p. 19
6.7 BM-SC functions p. 19
6.8 CBC functions p. 19
6.9 MBMS Data Transfer in the Core Network p. 20
6.9.1 Use of IP Unicast on Iu and Gn p. 20
6.9.2 Use of IP Multicast on Iu and Gn p. 21
6.9.3 Comparison with requirements p. 23
6.10 Bearer Path p. 24
6.10.1 Iur Issues p. 24
6.10.2 Intra Domain Connection of RAN Nodes to Multiple CN Nodes (Iu-Flex) p. 25
6.11 Packet Temporary Mobile Group Identity in MBMS p. 26
6.12 Decision process for selection of point-to-point or point-to-multipoint configuration p. 27
6.12.1 Multicast Mode p. 27
6.13 Service Announcement/Discovery p. 27
6.14 Quality-of-Service p. 27
6.14.1 MBMS QoS is a MBMS service attribute p. 28
6.14.2 MBMS QoS over the MBMS distribution tree p. 28
6.14.3 Multiple QoS Streams and Interfacing With the PDN p. 28
6.14.3.1 Option 1 p. 28
6.14.3.2 Option 2 p. 28
6.14.4 Handling MBMS User Plane with Multiple QoS Levels within RAN p. 29
6.14.5 QoS Principles for Related Media Streams p. 29
6.14.6 QoS principles for Messaging Services p. 30
6.15 Media Descriptions p. 30
7 Network and Protocol Architecture p. 31
7.1 Option A) p. 31
7.1.1 MBMS Multicast Service Activation p. 31
7.1.2 MBMS Broadcast Service activation p. 32
7.1.3 MBMS RAB set-up p. 33
7.1.4 Service Continuity and Mobility p. 35
7.1.5 Service Deletion p. 39
7.1.5.1 UE Initiated MBMS Multicast Deactivation Procedure p. 39
7.1.5.2 Network-initiated MBMS Multicast Deactivation Procedure p. 39
7.1.6 Interfaces to External Media Sources p. 40
7.1.7 Roaming p. 40
7.1.8 Security p. 40
7.1.9 Charging p. 40
7.2 Option B) p. 41
7.2.1 MBMS Multicast Service Activation p. 41
7.2.2 MBMS Broadcast Service activation p. 41
7.2.3 MBMS RAB set-up p. 42
7.2.4 Service Continuity and Mobility p. 43
7.2.5 Service Deletion p. 46
7.2.5.1 MBMS RAB release p. 46
7.2.5.2 MBMS broadcast service deactivation p. 47
7.2.5.3 MBMS multicast service deactivation p. 48
7.2.6 Interfaces to External Media Sources p. 49
7.2.7 Roaming p. 49
7.2.8 Security p. 49
7.2.9 Charging p. 49
7.3 Option C) p. 50
7.3.1 MBMS Multicast Service Activation p. 50
7.3.1.1 Multicast Service Activation p. 50
7.3.1.2 MS Initiated Multicast Service Deactivation p. 51
7.3.1.3 SGSN Initiated Multicast Service Deactivation p. 51
7.3.2 MBMS Broadcast Service activation p. 52
7.3.3 MBMS RAB set-up p. 52
7.3.4 Service Continuity and Mobility p. 54
7.3.5 Service Deletion p. 57
7.3.6 Interfaces to External Media Sources p. 57
7.3.7 Roaming p. 57
7.3.8 Security p. 57
7.3.9 Charging p. 57
7.4 Void
7.5 Option E p. 58
7.5.1 Multicast architecture p. 58
7.5.1.1 MBMS Multicast Service Activation p. 59
7.5.1.2 MBMS Multicast Service De-activation p. 60
7.5.1.3 Multicast DL data transfer p. 61
7.5.1.3.1 Multicast DL data transfer p. 61
7.5.1.3.2 Multicast DL data transfer in case of Iu Flexibility p. 62
7.5.1.3.3 Optional MB-SC notification before MBMS data transfer p. 63
7.5.1.3.4 Multicast DL data transfer to UE in PMM-CONNECTED and PMM-IDLE mode p. 65
7.5.1.4 Service continuity and Mobility p. 65
7.5.2 Broadcast architecture p. 68
7.6 Void
7.7 Option G p. 71
7.7.1 MBMS Multicast Service Activation p. 71
7.7.2 MBMS Broadcast Service activation p. 72
7.7.3 MBMS broadcast & multicast bearer path set-up p. 72
7.7.3.1 MBMS Bearer path set-up with Iu-Flex p. 72
7.7.3.2 MBMS Bearer path set-up when Iu-Flex is not configured p. 74
7.7.3.3 Multicast Bearer path set-up with simultaneous join p. 74
7.7.4 Service Continuity and Mobility p. 75
7.7.4.1 Serving RNS Relocation Procedures p. 76
7.7.4.2 Combined Hard Handover and SRNS Relocation Procedure p. 79
7.7.4.3 Combined Cell / URA Update and SRNS Relocation Procedure p. 83
7.7.4.4 PMM Idle p. 87
7.7.5 Service Deactivation and Service Termination p. 88
7.7.5.1 MBMS multicast user-initiated deactivation p. 88
7.7.5.2 MBMS Bearer Release Procedure p. 89
7.7.6 Interfaces to External Media Sources p. 90
7.7.7 Roaming p. 91
7.7.8 Security p. 91
7.7.9 Charging p. 91
7.7.10 Quality of Service p. 92
8 CHARGING p. 94
9 Interaction with CS/PS services p. 95
10 Information Storage p. 95
11 Conclusions p. 95
11.1 Identified Key Issues p. 95
11.1.1 User initiated Multicast Activation/Deactivation p. 95
11.1.2 Termination node for User specific Activation/Deactivation Signalling p. 95
11.1.3 Gn: Set-up of Transport Resources for Multicast p. 96
11.1.4 RAB set-up p. 96
11.1.5 Gn: Transport set up for Broadcast p. 96
11.1.6 Per-UE MBMS RAB signalling connection p. 96
11.1.7 Handling of MBMS data for PMM Idle users p. 96
11.1.8 MBMS Transport for Iu/Gn p. 96
11.1.9 Storage of MBMS Service Parameters p. 97
11.1.10 Security: Authentication & Ciphering key provision to ue p. 97
11.1.11 Ciphering p. 97
11.1.12 Handling of services with multiple media components p. 97
A Comparison of Architectural Options p. 98
A.1 Multicast Mode p. 99
A.2 Broadcast Mode p. 104
B Comparison of MBMS Multicast Service Activation Alternatives p. 108
C - p. 110
C.1 Decision process for selection of point-to-point or point-to-multipoint configuration p. 110
C.2 One Tunnel vs. Multiple Tunnels p. 110
D - p. 112
$ Change history p. 114
