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TS 23.246 (SA2)
Multimedia Broadcast/Multicast Service (MBMS) –
Architecture and Functional Description

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3GPP 23.246 - Reference Architecture for MBMS

Rapporteur:  Ing. Jarvis, Andre

MBMS is a point-to-multipoint service in which data is transmitted from a single source entity to multiple recipients. Transmitting the same data to multiple recipients allows network resources to be shared. The MBMS bearer service offers two modes:
  • Broadcast Mode;
  • Multicast Mode.
Broadcast Mode is supported for EPS and GPRS, and Multicast Mode is supported for GPRS. MBMS for EPS supports E-UTRAN and UTRAN. MBMS for GPRS supports UTRAN and GERAN.

MBMS architecture enables the efficient usage of radio-network and core-network resources, with an emphasis on radio interface efficiency.

full Table of Contents for  TS 23.246  Word version:   16.0.0


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1  Scope [R6]Word-p. 7
2  References [R6]
3  Definitions and abbreviations [R6]Word-p. 8
4  MBMS Architecture [R6]
5  Functional Entities To Support MBMS [R6]
6  MBMS Attributes and Parameters [R6]
7  Architectural Aspects of MBMS User Services [R6]
8  MBMS Procedures [R6]Word-p. 37
8.1  MBMS NotificationUp
8.2  MBMS Multicast Service Activation
8.3  MBMS Session Start ProcedureWord-p. 40
8.4  MBMS Registration ProcedureWord-p. 45
8.5  MBMS Session Stop ProcedureWord-p. 47
8.6  MBMS De-Registration ProcedureWord-p. 49
8.7  MBMS Multicast Service DeactivationWord-p. 51
8.8  MBMS Session Update procedureWord-p. 53
8.9  MBMS UE Context Synchronisation ProcedureWord-p. 57
8.9a  MBMS feature support indicationWord-p. 58
8.10  Inter SGSN Routeing Area Update
8.10a  Inter-system Intra-SGSN changeWord-p. 60
8.11  Inter SGSN Serving RNS Relocation Procedure
8.12  MBMS Broadcast Service ActivationWord-p. 62
8.13  MBMS Broadcast service de-activation
8.15  MBMS UE Linking/De-linking mechanism
8.16  MBMS Service Request ProcedureWord-p. 63
8.17  Notification in case of parallel servicesWord-p. 64
9  Security [R6]Word-p. 65
10  Charging requirement [R6]
11  Roaming Support for MBMS user services [R7]
C (Normative)  TV services delivery using unicast mode & switching between broadcast & unicast modes for E-UTRAN [R14]Word-p. 70
D (Normative)  Shared MBMS Network over E-UTRAN [R14]Word-p. 72
E (Normative)  UE behaviour in Receive Only Mode [R14]Word-p. 75
Z  Change historyWord-p. 77

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