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4‑5x
Content for
TR 38.885
Word version: 16.0.0
1…
2…
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
3
Definitions, symbols and abbreviations
Word‑p. 7
3.1
Definitions
3.2
Symbols
3.3
Abbreviations
4
Introduction
Word‑p. 8
4.1
Operation scenarios
Word‑p. 9
5
Sidelink (PC5) aspects
Word‑p. 11
5.1
NR sidelink unicast, groupcast, and broadcast design
5.1.1
Physical layer structures
Word‑p. 12
5.1.1.1
Subcarrier spacing and cyclic prefix
5.1.1.2
Channel coding
5.1.1.3
SL bandwidth parts and resource pools
5.1.1.4
Resource arrangements
Word‑p. 13
5.1.1.5
Reference signals
5.1.2
Physical layer procedures
5.1.2.1
Multiplexing of physical channels
5.1.2.2
HARQ procedures
Word‑p. 14
5.1.2.2.1
General HARQ procedure
5.1.2.2.2
HARQ procedure details for Mode 1 resource allocation
5.1.2.2.3
HARQ procedure details for Mode 2 resource allocation
5.1.2.3
CSI acquisition
Word‑p. 15
5.1.2.4
Power control
5.1.2.5
Beam management
5.2
Synchronization
5.2.1
S-PSS, S-SSS, PSBCH
5.2.2
Synchronization procedure
5.3
Resource allocation
Word‑p. 16
5.3.1
Resource allocation Mode 2
5.3.1.1
Sensing and resource (re-)selection
5.3.1.2
Mode 2(a)
5.3.1.3
Mode 2(c)
Word‑p. 17
5.3.1.4
Mode 2(d)
5.4
L2/L3 protocols
5.4.1
MAC
5.4.2
RLC
Word‑p. 18
5.4.3
PDCP
5.4.4
RRC
5.4.5
SDAP
Word‑p. 19
6
Uplink and downlink (Uu) aspects
6.1
Advanced V2X use cases over Uu interfaces
6.1.1
LTE Uu
6.1.2
NR Uu
Word‑p. 20
6.2
Uu-based SL resource allocation/configuration
6.2.1
Control of NR SL by NR
6.2.1.1
RRC
6.2.1.2
MAC
Word‑p. 21
6.2.2
Control of NR SL by LTE
6.2.3
Control of LTE SL by NR
7
QoS management
8
RAT and interface selection
Word‑p. 26
9
Coexistence
Word‑p. 27
9.1
TDM solutions
9.2
FDM solutions
10
Network aspects
Word‑p. 28
10.1
V2X service authorization
10.2
UE SL aggregate maximum bit rate
10.3
Impacts on the F1 interface
10.4
Slicing aspects
10.5
Resource coordination
11
Evaluations and measurement results
11.1
Latency
11.2
SL performance in FR2
Word‑p. 29
11.3
Capacity analysis
Word‑p. 30
11.3.1
Resource allocation Mode 1
11.3.2
Resource allocation Mode 2
Word‑p. 32
11.4
Synchronization performance
Word‑p. 35
11.4.1
S-SSB detection
11.4.2
PSBCH decoding
Word‑p. 37
12
Conclusions
A
Evaluation assumptions
Word‑p. 38
A.1
Simulation profiles
A.2
Link-level simulation parameters
Word‑p. 39
B
Detailed evaluation results for resource allocation
Word‑p. 41
B.1
Resource allocation Mode 1
B.1.1
Simulation assumptions
B.1.2
Detailed results
Word‑p. 42
B.1.2.1
Unicast
B.1.2.2
Groupcast
Word‑p. 47
B.1.2.3
Broadcast
Word‑p. 54
B.2
Resource allocation Mode 2
Word‑p. 61
B.2.1
Simulation assumptions
B.2.2
Detailed results
Word‑p. 64
B.2.2.1
Unicast
B.2.2.2
Groupcast
Word‑p. 77
B.2.2.3
Broadcast
Word‑p. 90
C
Detailed evaluation results for synchronization
Word‑p. 109
C.1
S-SSB detection
C.1.1
Simulation assumptions
C.1.2
Detailed results
Word‑p. 110
C.2
PSBCH decoding
Word‑p. 117
$
Change History
Word‑p. 122