Content for TR 26.959 Word version: 18.0.0
2 References
3 Definitions and abbreviations
4 Overview
5 Parameters for SRVCC Handover Thresholds
6 Codec Mode Adaptation Procedures
7 Adaptation Capability Indication
8 Impact of JBM and PLC on Handover Thresholds
9 Conclusions
A Informal Objective and Subjective Experiments for Obtaining Max. PLR Operating Points with and without Application Layer Redundancy
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2 References p. 6
3 Definitions and abbreviations p. 7
3.1 Definitions p. 7
3.2 Abbreviations p. 7
4 Overview p. 7
5 Parameters for SRVCC Handover Thresholds p. 8
5.1 Description p. 8
5.2 Potential Solutions p. 9
5.3 Conclusion p. 11
6 Codec Mode Adaptation Procedures p. 11
7 Adaptation Capability Indication p. 11
7.1 Description p. 11
7.2 Potential Solutions p. 12
7.2.1 SDP Indication p. 12
7.2.2 Application Layer Redundancy Adaptation Request p. 13
7.2.2.1 General p. 13
7.2.2.2 Signal method 1: RTCP-APP p. 13
7.2.2.3 Signal method 2: RTP CMR using the Reserved CMR codepoints p. 13
7.2.2.4 Signal method 3: Padding p. 15
7.2.2.5 Signal method 4: RTP header extension p. 15
7.2.2.6 Conclusions on Application Layer Redundancy |R16| p. 16
7.2.3 Considerations on the impact of packet loss on adaptation requests p. 16
7.3 Conclusion p. 16
8 Impact of JBM and PLC on Handover Thresholds p. 17
8.1 Description p. 17
8.2 Potential Solutions p. 17
8.2.1 General p. 17
8.2.2 UE-requested UL and DL PLR p. 18
8.2.2.1 General p. 18
8.2.2.2 Simple Ratio p. 18
8.2.2.3 SDP-Negotiated p. 19
8.2.2.4 Dynamic Allocation of UL PLR and DL PLR p. 20
8.2.3 Network-requested UL and DL PLR p. 30
8.3 Conclusion p. 32
9 Conclusions p. 33
A Informal Objective and Subjective Experiments for Obtaining Max. PLR Operating Points with and without Application Layer Redundancy p. 35
$ Change history p. 38
