Content for TR 38.885 Word version: 16.0.0
2 References
3 Definitions, symbols and abbreviations
4 Introduction
5 Sidelink (PC5) aspects
5.1 NR sidelink unicast, groupcast, and broadcast design
5.2 Synchronization
5.3 Resource allocation
5.4 L2/L3 protocols
6 Uplink and downlink (Uu) aspects
6.1 Advanced V2X use cases over Uu interfaces
6.2 Uu-based SL resource allocation/configuration
7 QoS management
8 RAT and interface selection
9 Coexistence
10 Network aspects
11 Evaluations and measurement results
12 Conclusions
A Evaluation assumptions
B Detailed evaluation results for resource allocation
C Detailed evaluation results for synchronization
$ Change History
2 References p. 6
3 Definitions, symbols and abbreviations p. 7
4 Introduction p. 8
5 Sidelink (PC5) aspects p. 11
5.1 NR sidelink unicast, groupcast, and broadcast design p. 11
5.1.1 Physical layer structures p. 12
5.1.1.1 Subcarrier spacing and cyclic prefix p. 12
5.1.1.2 Channel coding p. 12
5.1.1.3 SL bandwidth parts and resource pools p. 12
5.1.1.4 Resource arrangements p. 13
5.1.1.5 Reference signals p. 13
5.1.2 Physical layer procedures p. 13
5.1.2.1 Multiplexing of physical channels p. 13
5.1.2.2 HARQ procedures p. 14
5.1.2.2.1 General HARQ procedure p. 14
5.1.2.2.2 HARQ procedure details for Mode 1 resource allocation p. 14
5.1.2.2.3 HARQ procedure details for Mode 2 resource allocation p. 14
5.1.2.3 CSI acquisition p. 15
5.1.2.4 Power control p. 15
5.1.2.5 Beam management p. 15
5.2 Synchronization p. 15
5.3 Resource allocation p. 16
5.3.1 Resource allocation Mode 2 p. 16
5.3.1.1 Sensing and resource (re-)selection p. 16
5.3.1.2 Mode 2(a) p. 16
5.3.1.3 Mode 2(c) p. 17
5.3.1.4 Mode 2(d) p. 17
5.4 L2/L3 protocols p. 17
6 Uplink and downlink (Uu) aspects p. 19
6.1 Advanced V2X use cases over Uu interfaces p. 19
6.1.1 LTE Uu p. 19
6.1.2 NR Uu p. 20
6.2 Uu-based SL resource allocation/configuration p. 20
6.2.1 Control of NR SL by NR p. 20
6.2.1.1 RRC p. 20
6.2.1.2 MAC p. 21
6.2.2 Control of NR SL by LTE p. 21
6.2.3 Control of LTE SL by NR p. 21
7 QoS management p. 21
8 RAT and interface selection p. 26
9 Coexistence p. 27
9.1 TDM solutions p. 27
9.2 FDM solutions p. 27
10 Network aspects p. 28
10.1 V2X service authorization p. 28
10.2 UE SL aggregate maximum bit rate p. 28
10.3 Impacts on the F1 interface p. 28
10.4 Slicing aspects p. 28
10.5 Resource coordination p. 28
11 Evaluations and measurement results p. 28
11.1 Latency p. 28
11.2 SL performance in FR2 p. 29
11.3 Capacity analysis p. 30
11.4 Synchronization performance p. 35
11.4.1 S-SSB detection p. 35
11.4.2 PSBCH decoding p. 37
12 Conclusions p. 37
A Evaluation assumptions p. 38
B Detailed evaluation results for resource allocation p. 41
B.1 Resource allocation Mode 1 p. 41
B.1.1 Simulation assumptions p. 41
B.1.2 Detailed results p. 42
B.2 Resource allocation Mode 2 p. 61
B.2.1 Simulation assumptions p. 61
B.2.2 Detailed results p. 64
C Detailed evaluation results for synchronization p. 109
C.1 S-SSB detection p. 109
C.1.1 Simulation assumptions p. 109
C.1.2 Detailed results p. 110
C.2 PSBCH decoding p. 117
$ Change History p. 122
