Content for TR 36.933 Word version: 18.0.0
2 References
3 Definitions, symbols and abbreviations
4 Definitions and problems description
5 Solutions
A Video playout buffer aware scheduling
$ Change History
2 References p. 5
3 Definitions, symbols and abbreviations p. 5
3.1 Definitions p. 5
3.2 Abbreviations p. 6
4 Definitions and problems description p. 6
4.1 Issue 1: Backhaul long latency p. 6
4.2 Issue 2: TCP E2E delay with throughput decreasing p. 6
4.3 Issue 3: Video transmission issue cases p. 6
4.4 Issue 4: UL Video transmission critical data discard p. 7
5 Solutions p. 7
5.1 General Principles p. 7
5.2 Solutions for issue 1 p. 7
5.3 Solutions for issue 2 p. 9
5.3.1 TCP Performance Enhancing Proxy (TCP PEP) p. 9
5.3.2 Network based Radio-Aware TCP p. 10
5.3.3 UE Based Radio-Aware TCP Solution p. 10
5.3.4 eNB generates TCP ACK on behalf of the UE p. 10
5.3.5 Conclusion for Issue 2 p. 11
5.4 Solutions for issue 3 p. 11
5.4.1 Solutions for case 1 p. 11
5.4.1.1 Solution 1: UE request a higher QoS profile p. 11
5.4.1.2 Solution 2: Video Context Aware Solution p. 11
5.4.2 Solutions for case 2 p. 12
5.4.2.1 Solution 1: PCC-based Solution p. 12
5.4.2.2 Solution 2: Solution of DASH optimisation p. 13
5.4.2.3 Solution 3: Solution of DASH optimisation via local breakout p. 14
5.4.3 Solutions for case 3 p. 15
5.4.3.1 Solution 1 p. 15
5.4.4 Conclusion for Issue 3 p. 16
5.5 Solutions for issue 4 p. 16
A Video playout buffer aware scheduling p. 17
$ Change History p. 18
