Content for TR 26.937 Word version: 18.0.0
2 References
3 Definitions and abbreviations
4 Background and motivation
5 Overview
6 End-to-end PSS system
7 PSS characterisation
A Characterisation metrics and testing guidelines
$ Change history
2 References p. 6
3 Definitions and abbreviations p. 7
3.1 Definitions p. 7
3.2 Abbreviations p. 7
4 Background and motivation p. 8
5 Overview p. 8
6 End-to-end PSS system p. 8
6.1 Multimedia content creation p. 9
6.2 Streaming server media transmission p. 9
6.2.1 Transmission of VBR content over constant rate channels p. 9
6.2.2 Transport and Transmission p. 10
6.2.3 Packet Sizes p. 10
6.2.4 Adaptation capability p. 12
6.2.5 Clarification of using PSS Video Buffering Verifier in a rate adaptive service environment p. 13
6.2.5.1 Clarification of terms and concepts p. 13
6.2.5.2 Clarification of Annex G buffering parameters p. 14
6.2.5.2.1 What is mandatory? p. 15
6.2.5.2.2 Adaptive transmission curve-reception curve control p. 15
6.2.5.2.3 Why is it important to have a strict conformance point at the sampling curve-transmission curve control? p. 15
6.2.5.3 The resulting constraints and responsibilities p. 15
6.2.5.4 Example scenario relying on 3GPP QoS guarantees p. 15
6.2a Signalling for rate adaptation in Release 6 p. 16
6.2a.1 Implementation of the signalling for rate adaptation p. 16
6.2a.2 Test results over EGPRS p. 17
6.3 UMTS QoS profile parameters p. 22
6.3.1 Guaranteed and maximum bitrate p. 22
6.3.2 SDU error ratio p. 22
6.3.3 Residual bit error rate p. 23
6.3.4 Maximum SDU size p. 23
6.4 Bearer and Layer 2 network protocols options p. 23
6.4.1 UTRAN streaming bearer implementation options p. 23
6.4.1.1 UTRAN RLC modes p. 23
6.4.1.2 Implications of RLC mode decision p. 24
6.4.1.3 Examples of bearers for PSS p. 24
6.4.2 GERAN streaming bearer implementation options p. 24
6.4.2.1 Iu and A/Gb modes p. 24
6.4.2.2 GERAN RLC modes p. 24
6.5 Network transport channel mapping p. 25
6.5.1 Dedicated or shared channel p. 25
6.5.2 Implications of channel mapping decision p. 25
6.5.3 HSDPA p. 26
6.5.4 EGPRS / GERAN p. 26
6.6 Core network p. 26
6.7 Streaming client p. 26
7 PSS characterisation p. 26
7.1 Comparison of different rate control strategies for video streaming p. 26
7.2 Streaming application traffic characteristics p. 29
7.3 UTRAN DCH with RLC Acknowledged Mode p. 34
7.4 Use cases for QoS profile settings p. 36
7.4.1 Voice only AMR streaming QoS profile p. 37
7.4.2 High quality voice/low quality music AMR-WB streaming QoS profile p. 37
7.4.3 Music only AAC streaming QoS profile p. 38
7.4.4 Voice and video streaming QoS profile p. 38
7.4.5 Voice and video streaming QoS profile for GPRS Rel. '97 p. 39
7.5 Robust handover management p. 39
A Characterisation metrics and testing guidelines p. 41
$ Change history p. 43
