On secrecy analysis of wireless-powered relaying FSO-RF systems

Jiliang Zhang*, Wanxin He, Gaofeng Pan, Yiyuan Xie

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

3 引用 (Scopus)

摘要

We investigate the physical-layer security performance for a wireless-powered relaying mixed free-space optical-radio frequency (FSO-RF) system. In this system, a source transmits optical information to a relay (R), which decodes the received signal with a decode-and-forward protocol, converts it into an RF signal, and forwards it to a destination in the presence of an eavesdropper. Furthermore, we also assume that R has no extra power supply, and it only relies on harvesting energy from a power beacon to forward the information. Assuming that the FSO and all of the RF channels experience gamma-gamma and Rayleigh fading, the closed-form analytical expressions for secrecy outage probability and the probability of strictly positive secrecy capacity are derived. In addition, the effects of atmospheric turbulence, pointing errors, and detection techniques on the system performance are analyzed. Finally, we perform Monte Carlo simulations to verify the accuracy of the derived expressions.

源语言英语
文章编号066102
期刊Optical Engineering
60
6
DOI
出版状态已出版 - 1 6月 2021
已对外发布

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Zhang, J., He, W., Pan, G., & Xie, Y. (2021). On secrecy analysis of wireless-powered relaying FSO-RF systems. Optical Engineering, 60(6), 文章 066102. https://doi.org/10.1117/1.OE.60.6.066102