Visible to the public Physical Layer Security in Vehicular Networks with Reconfigurable Intelligent Surfaces

TitlePhysical Layer Security in Vehicular Networks with Reconfigurable Intelligent Surfaces
Publication TypeConference Paper
Year of Publication2020
AuthorsMakarfi, A. U., Rabie, K. M., Kaiwartya, O., Li, X., Kharel, R.
Conference Name2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)
Date PublishedMay 2020
ISBN Number978-1-7281-5207-3
Keywordsad hoc network, adjustable phase shift, Analytical models, average secrecy capacity, Buildings, compositionality, dedicated energy source, Double-Rayleigh fading channels, fading channels, important paradigm, incident signal, Metrics, Monte Carlo methods, passive elements, physical layer security, pubcrawl, reconfigurable intelligent surface, reconfigurable intelligent surfaces, Relays, resilience, Resiliency, RIS cells, RIS technologies, RIS-based access point, RIS-based relay, RIS-based transmission, RIS-relay, secrecy capacity, security, Signal to noise ratio, smart radio environments, source power, telecommunication network reliability, telecommunication security, vehicle-to-vehicle communication, vehicular ad hoc networks, vehicular adhoc network, vehicular communications, vehicular network system models, wireless channels

This paper studies the physical layer security (PLS) of a vehicular network employing a reconfigurable intelligent surface (RIS). RIS technologies are emerging as an important paradigm for the realisation of smart radio environments, where large numbers of small, low-cost and passive elements, reflect the incident signal with an adjustable phase shift without requiring a dedicated energy source. Inspired by the promising potential of RIS-based transmission, we investigate two vehicular network system models: One with vehicle-to-vehicle communication with the source employing a RIS-based access point, and the other model in the form of a vehicular adhoc network (VANET), with a RIS-based relay deployed on a building. Both models assume the presence of an eavesdropper to investigate the average secrecy capacity of the considered systems. Monte-Carlo simulations are provided throughout to validate the results. The results show that performance of the system in terms of the secrecy capacity is affected by the location of the RIS-relay and the number of RIS cells. The effect of other system parameters such as source power and eavesdropper distances are also studied.

Citation Keymakarfi_physical_2020