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Title: The feasibility of NOMA in C-V2X
Authors: Situ, Z 
Ho, IWH 
Hou, Y
Li, P
Issue Date: 2020
Source: Proceedings - IEEE INFOCOM 2020, 9163009, p. 562 - 567
Abstract: Cellular Vehicle-to-everything (V2X) becomes one of the most significant techniques in the 5G standard. It uses the PC5 sidelink interface to enable direct communications between the vehicle and everything, e.g., neighboring vehicles, the infrastructure, and pedestrians. To facilitate ultra-reliable low-latency communication (URLLC) in high dense vehicular networks, this paper studies the feasibility of non-orthogonal multiple access (NOMA) in C-V2X to improve the spectral efficiency. According to the orthogonal multiple access (OMA) based PHY layer as specified in the PC5 sidelink interface, we propose two NOMA receivers based on two techniques: successive interference cancellation (SIC) and joint decoding (JD). It is demonstrated that the two receivers can be easily implemented on current C-V2X communications with minor modifications. Simulation results show that the two NOMA approaches can reduce the block error rate (BLER) by up to 93.6% as compared with the conventional OMA approach. In general, JD receiver provides better BLER performance at the cost of higher computational complexity as compared to the SIC receiver.
Publisher: Institute of Electrical and Electronics Engineers
ISBN: 978-1-7281-8695-5 (electronic)
978-1-7281-8696-2 Print on Demand(PoD)
DOI: 10.1109/INFOCOMWKSHPS50562.2020.9163009
Description: IEEE INFOCOM 2020 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), Toronto, ON, Canada, 6-9 July 2020
Rights: © 2020 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See for more information.
The following publication Z. Situ, I. W. -H. Ho, Y. Hou and P. Li, "The Feasibility of NOMA in C-V2X," IEEE INFOCOM 2020 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), Toronto, ON, Canada, 2020, pp. 562-567 is available at
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