Realistic secrecy performance analysis for LiFi systems

Abumarshoud, H. , Soltani, M. D., Safari, M. and Haas, H. (2021) Realistic secrecy performance analysis for LiFi systems. IEEE Access, 9, pp. 120675-120688. (doi: 10.1109/ACCESS.2021.3108727)

Abstract

This paper studies the secrecy performance of light-fidelity (LiFi) networks under the consideration of random device orientation and partial knowledge of the eavesdroppers’ channel state information. Particularly, the secrecy capacity and secrecy outage probability are analysed for the case of a single eavesdropper as well as for the case of multiple eavesdroppers. Moreover, a machine learning based access point (AP) selection algorithm is presented with the objective of maximising the secrecy capacity of legitimate users. Our results show that optimising the AP selection while taking into account the random behaviour of the optical channel results in a significant enhancement in the achievable secrecy performance. In fact, using the derived realistic secrecy expressions as the basis for AP selection results in up to 30% secrecy capacity enhancement compared to the limited assumption of fixed orientation.

• Item Type: Articles
• Additional Information: This work was supported in part by the Engineering and Physical Sciences Research Council (EPSRC) under Grant EP/P003974/1 [U.K. Programmable Fixed and Mobile Internet Infrastructure (INITIATE)]. The work of Harald Haas was supported by EPSRC through the Established Career Fellowship under Grant EP/R007101/1, in part by The Wolfson Foundation, and in part by The Royal Society.
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Abumarshoud, Dr Hanaa
• Authors: Abumarshoud, H., Soltani, M. D., Safari, M., and Haas, H.
• College/School: College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
• Journal Name: IEEE Access
• Publisher: IEEE
• ISSN: 2169-3536
• ISSN (Online): 2169-3536
• Published Online: 30 August 2021
• Copyright Holders: Copyright © 2021 The Authors
• First Published: First published in IEEE Access 9: 120675-120688
• Publisher Policy: Reproduced under a Creative Commons License