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TR 22.897 (SA1)
Study on isolated E-UTRAN operation for public safety

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V13.0.0 (Wzip)    2014/06    24 p.

Rapporteur:  Dr. Piggin, Paul
See also:  IOPS-related TS/TR    

In mission critical networks ensuring the ability of Public Safety officers to communicate is of the utmost importance. Isolated E-UTRAN Operation seeks to enhance the ability of Public Safety officers to communicate by investigating improved support for situations where users move out of E-UTRAN coverage or following the loss of backhaul communications.

This TR studies use cases and identifies potential requirements for Isolated E-UTRAN Operation in support of mission critical network operation for Public Safety.


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1   Scope   Word-p. 6
2   References
3   Definitions, symbols and abbreviations
4   Problem statement   Word-p. 8
5   Use cases
5.1   Local fall back at eNB group call use case
5.2   Local fall back at eNB individual call use case
5.3   Local routing use case   Word-p. 13      Up
5.4   A limited backhaul connection use case   Word-p. 15
5.5   A wide area Isolated E-UTRAN use case   Word-p. 17
5.6   User moves between isolated and fully connected E-UTRAN use case   Word-p. 19
6   Potential requirements
7   Conclusion and recommendations   Word-p. 22
A   Change history   Word-p. 24

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