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TR 26.989 (SA4)
Media, codecs and MBMS enhancements for MCPTT over LTE

ToC   3GPP‑Page   ETSI‑search   Help    
V15.0.0 (PDF)2018/06  75 p.
V14.0.0  2017/03  75 p.
V13.1.0  2016/06  75 p.


Rapporteur:  Mr. Turcotte, Eric
See also:  MCPTT-related TS/TR

The present document covers the enhancement required to support MCPTT.


 

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1  ScopePDF-p. 6
2  References
3  AbbreviationsPDF-p. 7
4  Reference Model
5  Key Issues for Supporting MCPTTPDF-p. 8
5.1  Key Issue#1: Codec for MCPTT
5.1.1  Review of Codec Alternatives and their Relative Perceptual Performance
5.1.2  Review of the Codec Alternatives and their Relative Speech Intelligibility in Clean and Low SNRsPDF-p. 41
5.1.3  Review of Codec Alternatives and their Relative ComplexityPDF-p. 54
5.1.4  Recommended requirementsPDF-p. 55
5.1.5  GAP Analysis and EvaluationPDF-p. 56Up
5.1.6  Criteria with respect to MCPTT codec selectionPDF-p. 58
5.1.7  SolutionPDF-p. 59
5.2  Key Issue#2: User Experience
5.3  Key Issue#3: MCPTT over MBMS supportPDF-p. 62Up
6  Conclusion
A  Simulation Models and ParametersPDF-p. 67Up
B  Change historyPDF-p. 73

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