ETSI TS 123 247 V17.6.0 (2023-04)

5G; Architectural enhancements for 5G multicast-broadcast services (3GPP TS 23.247 version 17.6.0 Release 17)

RTS/TSGS-0223247vh60

General Information

• Status: Not Published
• Technical Committee: 3GPP SA 2 - Architecture
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Completion Date: 20-Apr-2023

Standards Content (Sample)

ETSI TS 123 247 V17.6.0 (2023-04)






TECHNICAL SPECIFICATION
5G;
Architectural enhancements for 5G multicast-broadcast
services
(3GPP TS 23.247 version 17.6.0 Release 17)

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3GPP TS 23.247 version 17.6.0 Release 17 1 ETSI TS 123 247 V17.6.0 (2023-04)

Reference
RTS/TSGS-0223247vh60
Keywords
5G
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ETSI

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3GPP TS 23.247 version 17.6.0 Release 17 2 ETSI TS 123 247 V17.6.0 (2023-04)
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ETSI

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3GPP TS 23.247 version 17.6.0 Release 17 3 ETSI TS 123 247 V17.6.0 (2023-04)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 7
1 Scope . 9
2 References . 9
3 Definitions of terms and abbreviations. 10
3.1 Terms . 10
3.2 Abbreviations . 11
4 General Concept . 11
4.1 Overview of multicast and broadcast communication . 11
4.2 MB service provisioning . 13
4.2.1 Multicast data provisioning . 13
4.2.2 Broadcast data provisioning . 15
4.3 Multicast session state model . 16
5 Architecture model . 18
5.1 General architecture . 18
5.2 General architecture for interworking with EPS . 20
5.3 Service-based interfaces, Reference point and functional entities . 20
5.3.0 Service-based interfaces . 20
5.3.1 Reference point . 21
5.3.2 Functional entities . 21
5.3.2.1 PCF . 21
5.3.2.2 MB-SMF . 21
5.3.2.3 SMF. 22
5.3.2.4 MB-UPF . 22
5.3.2.5 UPF . 22
5.3.2.6 AMF . 23
5.3.2.7 NG-RAN . 23
5.3.2.8 UE . 23
5.3.2.9 AF . 23
5.3.2.10 NEF . 23
5.3.2.11 MBSF . 24
5.3.2.12 MBSTF . 24
5.3.2.13 UDM . 24
5.3.2.14 UDR . 24
5.3.2.15 NRF . 25
5.3.2.15.1 General . 25
5.3.2.15.2 Extensions to NF profile at NRF . 25
6 Functionalities and features . 25
6.1 Authorization to MBS service . 25
6.1.1 AF authorization to the service for multicast and broadcast . 25
6.1.2 UE authorization to the service for multicast . 25
6.2 Local MBS service and Location dependent MBS service . 26
6.2.1 General . 26
6.2.2 Local MBS service. 26
6.2.3 Location dependent MBS service . 26
6.2.4 Void . 27
6.2.5 Void . 27
6.3 Mobility support of MBS service . 27
6.3.1 Mobility of Multicast MBS session . 27
6.3.2 Mobility of Broadcast MBS session . 28
ETSI

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3GPP TS 23.247 version 17.6.0 Release 17 4 ETSI TS 123 247 V17.6.0 (2023-04)
6.4 Subscription to multicast services . 28
6.4.1 General . 28
6.4.2 MBS subscription data in UDM . 28
6.4.3 MBS information in UDR . 29
6.5 Identifiers . 29
6.5.1 MBS Session ID . 29
6.5.2 Temporary Mobile Group Identity . 29
6.5.3 Source Specific IP Multicast Address . 30
6.5.4 MBS Frequency Selection Area ID . 30
6.6 QoS Handling for Multicast and Broadcast services . 30
6.7 User plane management . 31
6.8 Interworking with MBMS over E-UTRAN for public safety services . 33
6.9 MBS Session Context . 33
6.9.1 MBS Session Context . 33
6.10 Policy control for Multicast and Broadcast services . 35
6.10.1 General . 35
6.10.2 MBS Session policy control data in UDR . 36
6.11 Service Announcement . 36
6.12 Paging strategy handling . 37
6.13 MBS Security function . 37
6.14 MBS Service Information . 38
7 MBS procedures . 38
7.1 Common procedure for Multicast and Broadcast . 38
7.1.1 MBS Session Management . 38
7.1.1.1 General . 38
7.1.1.2 MBS Session Creation without PCC . 39
7.1.1.3 MBS Session Creation with PCC . 42
7.1.1.4 MBS Session Deletion without PCC . 45
7.1.1.5 MBS Session Deletion with PCC . 47
7.1.1.6 MBS Session Update without PCC . 48
7.1.1.7 MBS Session Update with PCC . 50
7.1.2 MB-SMF discovery and selection for multicast/broadcast session. 52
7.1.3 MB-UPF discovery and selection for multicast/broadcast session . 53
7.2 MBS procedures for multicast Session . 53
7.2.1 MBS join and Session establishment procedure . 53
7.2.1.1 General . 53
7.2.1.2 Establishment of a PDU Session that can be associated with multicast session(s) . 54
7.2.1.3 Multicast session join and session establishment procedure . 54
7.2.1.4 Establishment of shared delivery toward RAN node . 58
7.2.2 Multicast MBS Session leave and Multicast MBS Session release procedure . 60
7.2.2.1 General . 60
7.2.2.2 Multicast Session leave requested by the UE . 60
7.2.2.3 Multicast session leave requested by the network or MBS session release . 62
7.2.2.4 Release of shared delivery toward RAN node . 64
7.2.3 Mobility Procedures for MBS . 65
7.2.3.1 General . 65
7.2.3.2 Xn based handover from MBS supporting NG-RAN node . 65
7.2.3.3 N2 based handover from MBS supporting NG-RAN node . 67
7.2.3.4 Xn/N2 based handover from non-MBS supporting NG-RAN node . 68
7.2.3.5 Minimization of data loss . 69
7.2.3.6 Xn/N2 based handover for inactive MBS session . 69
7.2.3.7 Connection Resume in RRC Inactive procedure . 69
7.2.4 Support of Local multicast service and Location dependent multicast service . 70
7.2.4.1 General . 70
7.2.4.2 Support of location dependent multicast service . 70
7.2.4.2.0 Creation for location dependent MBS session . 70
7.2.4.2.1 UE join location dependent Multicast MBS session and establishment procedure . 71
7.2.4.2.2 Void . 72
7.2.4.2.3 Handover procedure . 72
7.2.4.2.4 Activation of location dependent MBS session . 74
ETSI

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3GPP TS 23.247 version 17.6.0 Release 17 5 ETSI TS 123 247 V17.6.0 (2023-04)
7.2.4.2.5 UE location change handling within the same NG-RAN node between cells belonging to
different MBS service areas during Individual delivery . 74
7.2.4.2.6 UE location change handling by SMF . 75
7.2.4.2.7 UE mobility within the same NG-RAN between cells belonging to different MBS service
areas for shared delivery . 75
7.2.4.2.8 Void . 75
7.2.4.3 Support of local MBS for multicast . 75
7.2.4.3.1 Local MBS service area information provided by AF . 75
7.2.4.3.2 Multicast session join and session establishment procedure for local MBS . 75
7.2.4.3.3 Handover procedure with local MBS session . 77
7.2.4.3.4 Activation of local MBS session . 77
7.2.4.3.5 UE location change handling by SMF . 78
7.2.4.3.6 UE mobility within the same NG-RAN between cells in or out of the MBS service area . 78
7.2.4.3.7 Void . 78
7.2.5 MBS session activation and deactivation. 78
7.2.5.1 General . 78
7.2.5.2 MBS session activation procedure . 79
7.2.5.3 MBS session deactivation procedure . 82
7.2.6 Multicast session update procedure . 83
7.2.7 Void . 86
7.2.8 Service request procedure . 86
7.2.9 AF provisioning multicast MBS Session Authorization information . 86
7.3 MBS procedures for broadcast Session . 87
7.3.1 MBS Session Start for Broadcast . 87
7.3.2 MBS Session Release for Broadcast . 89
7.3.3 MBS Session Update for Broadcast . 90
7.3.4 Support for Location dependent Broadcast Service . 91
7.3.5 MBS Session Delivery Status Indication for Broadcast. 92
7.3.6 Broadcast MBS Session Release Require . 93
7.4 MBS procedures for inter System Mobility. 94
7.4.1 Inter-system mobility with interworking at service layer . 94
8 Control and user plane stacks . 94
8.1 Control plane for Multicast and Broadcast services . 94
8.1.1 General . 94
8.1.2 NG-RAN – MB-SMF . 95
8.2 User plane for Multicast and Broadcast services . 95
9 Network Function Services . 97
9.1 MB-SMF Services . 97
9.1.1 General . 97
9.1.2 Nmbsmf_TMGI service .
...