Content for TR 38.838 Word version: 17.0.0
7 XR capacity evaluation p. 22
7.1 Purpose of study p. 22
7.2 KPI p. 22
7.2.1 UE satisfaction p. 22
7.2.2 System capacity p. 22
7.3 Capacity results p. 22
7.3.1 Capacity baseline performance p. 22
7.3.1.1 FR1 DL p. 22
7.3.1.1.1 DU scenario p. 26
7.3.1.1.1.1 VR/AR p. 26
7.3.1.1.1.2 CG p. 27
7.3.1.1.2 InH scenario p. 28
7.3.1.1.2.1 VR/AR p. 28
7.3.1.1.2.2 CG p. 29
7.3.1.1.3 UMa scenario p. 29
7.3.1.2 FR1 UL p. 30
7.3.1.2.1 DU scenario p. 32
7.3.1.2.1.1 VR/CG (Pose/control-stream) p. 32
7.3.1.2.1.2 AR (1 stream: scene/video/data/voice-stream) p. 32
7.3.1.2.1.3 AR (2 streams: pose/control-stream + scene/video/data/voice-stream) p. 32
7.3.1.2.1.4 AR (3 streams: video stream+data/audio stream+pose/control stream) p. 33
7.3.1.2.1.5 AR (3 streams: pose/control-stream + I/P-stream) p. 33
7.3.1.2.2 InH scenario p. 33
7.3.1.2.2.1 VR/CG (pose/control-stream) p. 33
7.3.1.2.2.2 AR (1 stream: scene/video/data/voice-stream) p. 33
7.3.1.2.2.3 AR (2 streams: pose/control-stream + scene/video/data/voice-stream) p. 34
7.3.1.2.2.4 AR (3 streams: video stream+data/audio stream+pose/control stream) p. 34
7.3.1.2.3 UMa scenario p. 34
7.3.1.3 FR2 DL p. 35
7.3.1.3.1 DU scenario p. 37
7.3.1.3.1.1 VR/AR p. 37
7.3.1.3.1.2 CG p. 38
7.3.1.3.2 InH scenario p. 39
7.3.1.4 FR2 UL p. 41
7.3.2 Capacity comparison for different parameters/configurations p. 44
7.3.2.1 Capacity comparison for different data-rate p. 44
7.3.2.2 Capacity comparison for different PDB/PER values p. 47
7.3.2.3 Impact of jitter on capacity p. 55
7.3.2.4 Impact of dual-eye buffers staggering p. 56
7.3.2.5 Impact of TDD frame format p. 58
7.3.2.6 Impact of bandwidth p. 61
7.3.2.7 Impact of FDM/SDM and mini-slot p. 63
7.3.3 Potential capacity enhancements p. 63
7.3.3.1 Staggering of packet arrivals at gNB among UEs p. 64
7.3.3.2 Delay aware scheduler p. 68
7.3.3.3 Frame level integrated transmission scheduler p. 70
7.3.3.4 Cooperative MIMO/precoding via bi-directional training (BiT) p. 70
7.3.3.5 Network coding (NC)/outer coding (OC) p. 77
7.3.3.6 gNB scheduling awareness UE playout buffer p. 78
7.3.3.7 Impact of carrier aggregation p. 78
7.3.3.8 Prioritizing important stream p. 79
7.3.3.9 Adaptive inter-UE/intra-UE multiplexing techniques p. 83
7.3.3.10 HARQ-ACK enhancement for DG scheduling p. 85
7.3.3.11 Enhanced buffer status reporting for UL transmission p. 87
7.3.3.12 Application data unit (ADU) dropping p. 88
