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TS 22.468 (SA1)
Group Communication System Enablers for LTE

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(P) V14.0.0    2017/03    24 p.
(P) V13.0.0    2014/12    23 p.
(P) V12.1.0    2014/09    22 p.

Rapporteur:  Mr. Merkel, Juergen
See also:  GCSE_LTE-related TS/TR    

To position LTE as technology for critical communications such as public safety, Group Communication is needed. Group Communication function complements its sibling communication feature of proximity-based services (ProSe).

This TS collects the requirements as relevant to improve the EPC and E-UTRAN for system enablers to the 3GPP system to support Group Communication over LTE for Public Safety and Critical Communication.

The US requirements as specified in NPSTC (Mission Critical Voice Requirements), the TETRA + Critical Communications Association (TCCA) and ITU inputs are taken as starting point.

Other regional requirements may also be reflected in the work. The requirements are worded in a way to easily accommodate future requirements from other regions or stakeholders.


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1   Scope [R12]   PDF-p. 6
2   References [R12]
3   Definitions and abbreviations [R12]
4   Overview (informative) [R12]
5   Functional requirements [R12]   PDF-p. 8
6   Interaction with other services and functions [R12]
A   Use cases [R12]   PDF-p. 13
B   Group communication concept(s) [R12]   PDF-p. 19
C   Description of usage of GCSE_LTE for public safety [R12]   PDF-p. 21
D   Change history   PDF-p. 22

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