Performance analysis of FD-NOMA-based decentralized V2X systems

Di Zhang, Yuanwei Liu, Linglong Dai, Ali Kashif Bashir, Arumugam Nallanathan, Byonghyo Shim

Research output: Contribution to journalArticle

Abstract

In order to meet the requirements of massively connected devices, different quality of services (QoS), various transmit rates, and ultra-reliable and low latency communications (URLLC) in vehicle-to-everything (V2X) communications, we introduce a full duplex non-orthogonal multiple access (FD-NOMA)-based decentralized V2X system model. We, then, classify the V2X communications into two scenarios and give their exact capacity expressions. To solve the computation complicated problems of the involved exponential integral functions, we give the approximate closed-form expressions with arbitrary small errors. Numerical results indicate the validness of our derivations. Our analysis has that the accuracy of our approximate expressions is controlled by the division of π2 in the urban and crowded scenarios, and the truncation point ${T}$ in the suburban and remote scenarios. Numerical results manifest that: 1) increasing the number of V2X device, NOMA power, and Rician factor value yields a better capacity performance; 2) effect of FD-NOMA is determined by the FD self-interference and the channel noise; and 3) FD-NOMA has a better latency performance compared with other schemes.

Original languageEnglish
Article number8666065
Pages (from-to)5024-5036
Number of pages13
JournalIEEE Transactions on Communications
Volume67
Issue number7
DOIs
Publication statusPublished - 2019 Jul 1

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Communication
Quality of service

Keywords

  • capacity analysis.
  • full duplex
  • non-orthogonal multiple access
  • V2X
  • Vehicle communications

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Zhang, D., Liu, Y., Dai, L., Bashir, A. K., Nallanathan, A., & Shim, B. (2019). Performance analysis of FD-NOMA-based decentralized V2X systems. IEEE Transactions on Communications, 67(7), 5024-5036. [8666065]. https://doi.org/10.1109/TCOMM.2019.2904499

Performance analysis of FD-NOMA-based decentralized V2X systems. / Zhang, Di; Liu, Yuanwei; Dai, Linglong; Bashir, Ali Kashif; Nallanathan, Arumugam; Shim, Byonghyo.

In: IEEE Transactions on Communications, Vol. 67, No. 7, 8666065, 01.07.2019, p. 5024-5036.

Research output: Contribution to journalArticle

Zhang, D, Liu, Y, Dai, L, Bashir, AK, Nallanathan, A & Shim, B 2019, 'Performance analysis of FD-NOMA-based decentralized V2X systems', IEEE Transactions on Communications, vol. 67, no. 7, 8666065, pp. 5024-5036. https://doi.org/10.1109/TCOMM.2019.2904499
Zhang, Di ; Liu, Yuanwei ; Dai, Linglong ; Bashir, Ali Kashif ; Nallanathan, Arumugam ; Shim, Byonghyo. / Performance analysis of FD-NOMA-based decentralized V2X systems. In: IEEE Transactions on Communications. 2019 ; Vol. 67, No. 7. pp. 5024-5036.
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