Content for  TR 23.741  Word version:  13.0.0

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1  Scopep. 6

The objective of this Technical Report is to study and specify potential modifications to the MBMS/GCSE_LTE architectures and/or procedures as specified in TS 23.246 and TS 23.468 to enable the following improvements and enhancements:
  1. to allow the establishment of MBMS bearers using target area information, as distinct from using an MBMS Service Area;
  2. to MBMS congestion handling;
  3. if seen to be needed, to possible MBMS roaming scenarios;
  4. as required by the MCPTT application work.

2  Referencesp. 6

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.
TR 21.905: "Vocabulary for 3GPP Specifications".
TS 23.246: "Multimedia Broadcast/Multicast Service (MBMS); Architecture and functional description".
TS 23.468: "Group Communication System Enablers for LTE (GCSE_LTE); Stage 2".
TS 26.346: "Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs".
TS 36.444: "Evolved Universal Terrestrial Radio Access Network (E-UTRAN); M3 Application Protocol (M3AP)".
TS 36.304: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) procedures in idle mode".
TR 36.868: "Evolved Universal Terrestrial Radio Access (E-UTRA); Study on Group Communications for E-UTRA".
TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2".

3  Definitions and abbreviationsp. 7

3.1  Definitionsp. 7

For the purposes of the present document, the terms and definitions given in TR 21.905 apply.

3.2  Abbreviationsp. 7

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
Group Communication System Enablers for LTE
Multimedia Broadcast/Multicast Service
Multimedia Broadcast multicast service Single Frequency Network
Mission Critical Push To Talk over LTE
Single Cell - Point to Multipoint

4  Architectural Assumptionsp. 7

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