3 Definitions and abbreviations

23.1803GPPMission critical services support in the Isolated Operation for Public Safety (IOPS) mode of operationRelease 17TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

IOPS MC system: The collection of application functions and enabling capabilities required to support mission critical services in the IOPS mode of operation.

IOPS mode of operation: As described in 3GPP TS 23.401 Annex K [2].

For the purposes of the present document, the following terms given in 3GPP TS 23.280 [3] apply

MC service

MC service client

MC service group

MC service ID

MC service user

MC service UE

MC user

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

APN Access Point Name

IOPS Isolated Operation for Public Safety

EPC Evolved Packet Core

EPS Evolved Packet System

MBMS Multimedia Broadcast and Multicast Service

MC Mission Critical

PLMN Public Land Mobile Network