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

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    Type
    Article
    Authors
    Zhang, Jiliang cc
    He, Wanxin
    Pan, Gaofeng
    Xie, Yiyuan
    KAUST Department
    Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division
    Date
    2021-06-03
    Permanent link to this record
    http://hdl.handle.net/10754/670096
    
    Metadata
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    Abstract
    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.
    Citation
    Zhang, J., He, W., Pan, G., & Xie, Y. (2021). On secrecy analysis of wireless-powered relaying FSO-RF systems. Optical Engineering, 60(06). doi:10.1117/1.oe.60.6.066102
    Publisher
    SPIE-Intl Soc Optical Eng
    Journal
    Optical Engineering
    DOI
    10.1117/1.OE.60.6.066102
    Additional Links
    https://www.spiedigitallibrary.org/journals/optical-engineering/volume-60/issue-06/066102/On-secrecy-analysis-of-wireless-powered-relaying-FSO-RF-systems/10.1117/1.OE.60.6.066102.full
    ae974a485f413a2113503eed53cd6c53
    10.1117/1.OE.60.6.066102
    Scopus Count
    Collections
    Articles; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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