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Downlink Performance of Optical Power Domain NOMA for Beyond 5G Enabled V2X Networks

Singh, Gurinder and Srivastava, Anand and Bohara, Vivek Ashok and Liu, Zilong (2021) 'Downlink Performance of Optical Power Domain NOMA for Beyond 5G Enabled V2X Networks.' IEEE Open Journal of Vehicular Technology. ISSN 2644-1330

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Abstract

In this work, we explore the potential benefits andpractical challenges associated with implementation of opticalpower domain non-orthogonal multiple access (OPD-NOMA)scheme for visible light communications (VLC) based vehicle-to-everything (V2X) networks with a major aim of providingvehicles with reliable, ubiquitous, and massive connectivity. Inthe proposed framework, an installed light source (e.g., trafficlamp post or street light lamp post) broadcasts a safety relatedmessage to desired nodes through visible light. However, suchVLC transmission is subject to interference originating fromthe vehicles in the adjacent lane. Using the stochastic geometryapproach, we model the locations of vehicles on the road via Pois-son point process. We investigate the applicability of downlinkOPD NOMA enabled V2X network for typical infrastructure-to-vehicle (I2V) communication in presence of interference causedfrom concurrent vehicle-to-vehicle (V2V) transmissions with anaid of stochastic geometry. Through the obtained results, it hasbeen shown that the downlink OPD NOMA based V2X networkoffers improved performance in terms of outage performanceand average achievable rate as compared to the conventional RFbased V2X communication.

Item Type: Article
Uncontrolled Keywords: Intelligent Transportation System, Visible Light Communications (VLC), Vehicle-to-Everything (V2X), Stochastic Geometry
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Elements
Date Deposited: 08 Jun 2021 09:30
Last Modified: 08 Jun 2021 09:30
URI: http://repository.essex.ac.uk/id/eprint/30470

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