Improved achievable secrecy rate of visible light communication with cooperative jamming

Hajar Zaid, Zouheir Rezki, Anas Chaaban, Mohamed-Slim Alouini

Research output: Chapter in Book/Report/Conference proceedingConference contribution

44 Scopus citations

Abstract

In this paper we study the problem of securing a visible light communication (VLC) link against passive eavesdropping, with the help of a (friendly) jammer. Differently from radio frequency (RF) communications, VLC imposes a peak amplitude constraint on the input distribution which renders Gaussian inputs not admissible. We provide an achievable secrecy rate that improves upon a recently established one in a concurrent work by Mostafa and Lampe. Our scheme follows from both the secrecy capacity result by Wyner and the artificial noise scheme by Goel and Negi, but using truncated Gaussian input distributions instead of uniform ones. Via numerical results, we show that our secrecy rate outperforms the concurrent rate in different settings. © 2015 IEEE.
Original languageEnglish (US)
Title of host publication2015 IEEE Global Conference on Signal and Information Processing (GlobalSIP)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1165-1169
Number of pages5
ISBN (Print)9781479975914
DOIs
StatePublished - Feb 25 2016

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