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TS 23.468SA2
Group Communication System Enablers for LTE

use "3GPP‑Page" to get the Word version
use "ETSI‑search" to get the PDF version
for a better overview, the Table of Contents (ToC) is reproduced
V15.1.0 (PDF)  2019/09  33 p.
V14.0.0  2017/03  31 p.
V13.3.0  2015/12  32 p.
V12.7.0  2015/12  32 p.

WI Acronym:  GCSE_LTE
Rapporteur:  Mr. Liebhart, RainerNokia Networks

The present document provides the stage 2 description for the 3GPP system provided enablers to support group communication services using E-UTRAN access.
3GPP 23.468 - Non-roaming reference architecture for GCSE_LTE
The group communication system is represented by an Application Server (GCS AS) using the 3GPP system provided enablers for transferring its application signalling and for delivering application data, e.g. media data, to a group of UEs either
  1. over MBMS Bearer Services using the Broadcast Mode of MBMS; or
  2. over EPS Bearers; or
  3. over both MBMS and EPS bearer services.
The specification covers both roaming and non-roaming scenarios and also includes support for service continuity, i.e. support for continuous reception of application data when a UE changes between reception of application data via EPS and MBMS Bearer Services.
Application level interactions between the UE and the GCS Application Server are out of scope of this specification.

full Table of Contents for  TS 23.468  Word version:   15.1.0

Here   Top
1  ScopeWord-p. 6
2  References
3  Definitions and abbreviationsWord-p. 7
4  Architecture Model and Concepts
5  Functional Description and Information Flow
A  Utilisation of the Group Communication ServiceWord-p. 29
B  Change historyWord-p. 32

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