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Content for  TS 23.246  Word version:  17.0.0

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1  ScopeWord‑p. 7

The present document describes the stage 2 description (architectural solution and functionalities) for the MBMS Bearer Service, which includes, together with MBMS User Services defined in TS 26.346, all the elements necessary to realise the stage 1 requirements in TS 22.146 and TS 22.246. This document encompasses both GPRS and EPS.
The present document also includes considerations on the manner in which User Services should make use of the MBMS Bearer Service described herein. It should be noted that the specification of MBMS User Services in TS 26.346 takes precedence over User Service aspects described in this document.
The present document includes information applicable to network operators, service providers and manufacturers.
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2  ReferencesWord‑p. 7

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 22.146: "Multimedia Broadcast/Multicast Service; Stage 1".
[3]
TS 23.107: "Quality of Service (QoS) concept and architecture".
[4]
TS 29.061: "Interworking between the Public Land Mobile Network (PLMN) supporting packet based services and Packet Data Networks (PDN)".
[5]
TS 33.246: "Security of Multimedia Broadcast/Multicast Service".
[6]
TS 22.246: "Multimedia Broadcast/Multicast Service (MBMS) user services".
[7]
TS 26.346: "MBMS: Protocols and Codecs".
[8]  void.
[9]  void.
[10]
TS 25.346: "Introduction of the Multimedia Broadcast Multicast Service (MBMS) in the Radio Access Network".
[11]
TS 43.246: "Technical Specification Group GSM/EDGE Radio Access Network; Multimedia Broadcast Multicast Service (MBMS) in the GERAN".
[12]
TS 23.125: "Overall high level functionality and architecture impacts of flow based charging; Stage 2".
[13]
TS 23.003: "Numbering, addressing and identification".
[14]
TS 32.422: "Subscriber and equipment trace; Trace control and Configuration Management (CM)".
[15]
TS 23.060: "General Packet Radio Service (GPRS); Service description; Stage 2".
[16]
TS 23.401: "GPRS enhancements for E-UTRAN Access".
[17]
TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN)".
[18]
TS 25.446: "MBMS synchronisation protocol (SYNC)".
[19]
RFC 3376:  "Internet Group Management Protocol, Version 3".
[20]
RFC 3810:  "Multicast Listener Discovery Version 2 (MLDv2) for IPv6".
[21]
RFC 4607:  "Source-Specific Multicast for IP".
[22]
RFC 4604:  "Using Internet Group Management Protocol Version 3 (IGMPv3) and Multicast Listener Discovery Protocol Version 2 (MLDv2) for Source specific Multicast".
[23]
TS 23.203: "Policy and charging control architecture".
[24]
TS 23.468: "Group Communication System Enablers for LTE (GCSE_LTE)".
[25]
TS 36.213: "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer procedures".
[26]
TS 23.007: "Restoration procedures".
[27]
TS 29.468: "Group Communication System Enablers for LTE (GCSE_LTE); MB2 reference point; Stage 3".
[28]
TS 36.444: "M3 Application Protocol (M3AP)".
[29]
TS 23.682: "Architecture enhancements to facilitate communications with packet data networks and applications".
[30]
TS 22.101: "Service aspects; Service principles".
[31]
TS 26.348: "Northbound Application Programming Interface (API) for Multimedia Broadcast/Multicast Service (MBMS) at the xMB reference point".
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3  Definitions and abbreviationsWord‑p. 8

3.1  DefinitionsWord‑p. 8

For the purposes of the present document, the terms and definitions defined in TR 21.905 and TS 22.146 and the following apply:
MBMS Service Announcement:
Mechanism to allow users to be informed about the MBMS user services available.
MBMS Bearer Service:
the service provided by the PS Domain to MBMS User Services to deliver IP multicast datagrams to multiple receivers using minimum network and radio resources.
MBMS User Service:
the MBMS service provided to the end user by means of the MBMS Bearer Service and possibly other capabilities.
MBMS Service Area:
The area within which data of a specific MBMS session are sent. Each individual MBMS session of an MBMS Bearer Service may be sent to a different MBMS Service Area. This MBMS Service Area is the same or a subset of the Multicast or Broadcast Service Area as defined in TS 22.146. An MBMS Service Area smaller than the Multicast or Broadcast Service Area is typically used for localized services.
MBMS over a Single Frequency Network:
See TS 25.346.
Receive Only Mode:
A UE configuration option that allows a UE to receive only eMBMS broadcast service without the need to access and register with the PLMN offering the eMBMS service. A UE configured to operate in Receive Only Mode receives MBMS service only on a standardised TMGI value range. The UE uses the acquired system information to receive MBMS broadcast. Use of Receive Only Mode does not require USIM for the UE.
Shared MBMS Network:
A network shared by multiple PLMNs that provides MBMS services. The Shared MBMS network consists of the following shared network elements: BM-SC(s) and MBMS-GW(s). The shared MBMS network may also include eNB(s), MCE(s), and shared MME(s) for MBMS operation.
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3.2  AbbreviationsWord‑p. 9

For the purposes of the present document, the abbreviations in TR 21.905 and TS 22.146 apply.
EPS
Evolved Packet System
C-TEID
Common TEID
MBSFN
MBMS over a Single Frequency Network
MCE
Multi-cell/Multicast Coordination Entity
SSM
Source Specific Multicast
TMGI
Temporary Mobile Group Identity
TPF
Traffic Plane Function
SMN
Shared MBMS Network

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