Content for TR 23.774 Word version: 17.0.0
The present document is a study of potential new/enhanced capabilities for mission critical communication services utilizing MBMS, to be provided in 5G, and points out key issues, identifies use cases, evaluates potential solutions, proposes enhancements and optimizations and identify requirements applicable to the work in SA6 and/or in other groups.
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
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References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
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For a specific reference, subsequent revisions do not apply.
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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 22.179: "Mission Critical Push To Talk (MCPTT); Stage 1".
[3]
TS 23.501: "System Architecture for the 5G System; Stage 2".
[4]
TR 36.868: "Evolved Universal Terrestrial Radio Access (E-UTRA); Study on group communication for E-UTRA".
[5]
TS 22.261: "Service requirements for the 5G system; Stage 1".
For the purposes of the present document, the terms and definitions given in
TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in
TR 21.905.
For the purposes of the present document, the following symbols apply:
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.