Physical Layer Security For Dual-Hop VLC/RF Communication Systems

Zhaohui Liao, Liang Yang, Jianchao Chen, Hong-Chuan Yang, Mohamed-Slim Alouini

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


In this letter, we investigate the physical layer security of a mixed visible light communication (VLC)/radio-frequency (RF) system. More specifically, the relay can extract the direct current component and collect energy from the optical signal in the VLC link and then use this collected energy to retransmit data though the RF link. With this setup, the exact performance expressions for secure outage probability and average secrecy capacity are derived in closed form. We also provide asymptotic results to investigate the effect of different system parameters on the system performance. Finally, we present numerical results to illustrate our analytical result.
Original languageEnglish (US)
Pages (from-to)2603-2606
Number of pages4
JournalIEEE Communications Letters
Issue number12
StatePublished - Oct 4 2018

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work was in part supported by the National Natural Science Foundation of China (NSFC) under Grant 61671160, the Department of Education of Guangdong Province (No. 2016KZDXM050), and the open research fund of National Mobile Communications Research Laboratory, Southeast University (No. 2018D01).

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