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Content for TR 26.903 Word version: 17.0.0

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4 General p. 7

4.1 Introduction p. 7

4.2 Rel 6, 7 and 8 requirements for terminals supporting H.264 in MBMS and PSS p. 7

4.3 Working Assumptions p. 8

4.3.1 Codec profiles and levels p. 8

4.3.2 Resolutions p. 8

4.3.2.1 General p. 8

4.3.2.2 Resolutions for PC-based UEs p. 8

4.3.3 Bitrates p. 8

4.3.4 Frame Rates p. 8

4.3.5 Random access point frequency p. 8

4.3.6 Audio p. 8

4.3.7 Error control p. 9

4.3.8 Complexity p. 9

4.3.9 Bandwidth efficiency p. 9

4.3.10 Reproduction of results p. 9

4.3.11 Radio Assumptions p. 9

4.3.11.1 MBMS Release 9 p. 9

5 Use Cases p. 9

5.1 Use Cases for Baseline Terminals p. 9

5.2 Use Cases for Advanced Terminals p. 10

5.2.1 File download to Advanced terminals p. 10

5.2.2 Streaming to Advanced terminals p. 10

5.2.3 Streaming to Baseline and Advanced Terminals p. 10

5.2.3.1 Broadcast of Baseline and Advanced Mobile TV Services p. 10

5.2.3.2 Broadcast of Baseline Mobile TV Services and Unicast Transmission of Advanced Mobile TV Services p. 10

5.2.3.3 Unicast Transmission of Baseline and Advanced Mobile TV Services p. 10

5.2.4 File download to Baseline and Advanced Terminals p. 11

5.2.4.1 Introduction p. 11

5.2.4.2 Broadcast file delivery to baseline and advanced terminals p. 11

5.2.4.3 Broadcast file delivery to baseline terminals and unicast transmission to advanced terminals p. 11

5.2.4.4 Unicast file delivery to baseline and advanced terminals p. 11

5.2.5 Streaming to Baseline Terminals and File Download to Advanced Terminals p. 11

5.2.5.1 Introduction p. 11

5.2.5.2 Broadcast of Baseline and Advanced Mobile TV Services p. 11

5.2.5.3 Broadcast of Baseline Mobile TV Services and Unicast Transmission of Advanced Mobile TV Services p. 12

5.2.5.4 Unicast Transmission of Baseline and Advanced Mobile TV Services p. 12

5.3 Enhancements to the previous use cases p. 12

5.3.1 Video aspect ratio management p. 12

5.3.2 UE Power Saving and Fast Stream Switching in MBMS p. 12

5.3.3 Graceful Degradation p. 12

5.3.3.1 Rate adaptation in PSS when entering bad reception conditions p. 12

5.3.3.2 Graceful Degradation in MBMS services when entering bad reception conditions p. 13

5.3.3.3 Graceful Degradation in Traffic Congestion p. 13

5.3.3.4 Combined support of heterogeneous devices and Graceful Degradation p. 13

5.3.4 Conditional Access p. 13

5.3.5 Rate and quality adaptation with predefined multi quality content originating from external networks p. 13

5.3.6 HD Support for Mobile PC-based UEs p. 13

5.3.7 Playback on Alternate Displays p. 14

5.3.7.1 Mobile UE Playback Displayed on External Monitors and HDTVs p. 14

5.3.7.2 Playback of Superdistributed files on dissimilar alternate UEs p. 14

6 Evaluation of Support for Baseline Terminals p. 14

7 Evaluation of Support for Advanced Terminals p. 15

7.1 Solutions p. 15

7.1.1 Scalable Video Coding p. 15

7.1.1.1 Introduction p. 15

7.1.1.2 Solution Configuration p. 16

7.1.1.3 Solution Integration Approaches p. 17

7.1.1.3.1 Rate Adaptation for PSS using SVC with priority-based transmission scheduling p. 17

7.1.1.3.2 Unequal error protection with SVC p. 18

7.1.2 H.264/AVC High Profile p. 19

7.1.2.1 Introduction p. 19

7.1.2.2 Solution configuration p. 19

8 Conclusions p. 20

$ Change history p. 21