TY - GEN
T1 - NOMA Enhanced 5G Distributed Vehicle to Vehicle Communication for Connected Autonomous Vehicles
AU - Tang, Zuoyin
AU - He, Jianhua
PY - 2020/9/21
Y1 - 2020/9/21
N2 - Connected autonomous vehicles (CAV) holds great potentials of improving road safety and efficiency. However ultra reliability and low latency vehicle to everything (V2X) communication service is required to fully unleash the potentials of CAV. In this paper we investigate distributed vehicle to vehicle (V2V) for CAV, which supports not only broadcast but also multicast/unicast communications. Power domain non-orthogonal multiple access (NOMA) is applied to deal with the CAV traffic patterns, which are different from those in the traditional connected vehicle applications. With NOMA the signals for long range broadcast with major power and signals for short range neighbors with small power can be superposed in one transmission. With the application of NOMA the channel load can be reduced and communication reliability and latency will be improved. The framework and operation of NOMA enhanced distributed V2V system are designed. Qualitative and quantitative benefits of the proposed scheme are analyzed. Simulation results show that the proposed scheme can achieve a gain of more than 80% on network capacity under the investigated scenarios, with large performance improvement in terms of communication throughput and reliability.
AB - Connected autonomous vehicles (CAV) holds great potentials of improving road safety and efficiency. However ultra reliability and low latency vehicle to everything (V2X) communication service is required to fully unleash the potentials of CAV. In this paper we investigate distributed vehicle to vehicle (V2V) for CAV, which supports not only broadcast but also multicast/unicast communications. Power domain non-orthogonal multiple access (NOMA) is applied to deal with the CAV traffic patterns, which are different from those in the traditional connected vehicle applications. With NOMA the signals for long range broadcast with major power and signals for short range neighbors with small power can be superposed in one transmission. With the application of NOMA the channel load can be reduced and communication reliability and latency will be improved. The framework and operation of NOMA enhanced distributed V2V system are designed. Qualitative and quantitative benefits of the proposed scheme are analyzed. Simulation results show that the proposed scheme can achieve a gain of more than 80% on network capacity under the investigated scenarios, with large performance improvement in terms of communication throughput and reliability.
KW - Cellular V2X
KW - conected autonomous vehicles
KW - connected vehicles
KW - non-orthorgonal multiple access
KW - vehicle to vhielce communication
UR - https://dl.acm.org/doi/10.1145/3411043.3412505
UR - http://www.scopus.com/inward/record.url?scp=85093360365&partnerID=8YFLogxK
U2 - 10.1145/3411043.3412505
DO - 10.1145/3411043.3412505
M3 - Conference publication
SN - 9781450380812
T3 - MobiArch 2020 - Proceedings of the 2020 ACM MobiArch 2020 the 15th Workshop on Mobility in the Evolving Internet Architecture, Part of Mobicom 2020
SP - 42
EP - 47
BT - MobiArch 2020 - Proceedings of the 2020 ACM MobiArch 2020 the 15th Workshop on Mobility in the Evolving Internet Architecture, Part of Mobicom 2020
PB - ACM
T2 - MobiCom '20: The 26th Annual International Conference on Mobile Computing and Networking
Y2 - 21 September 2020 through 25 September 2020
ER -