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    On the Physical Layer Security of a Decode and Forward Based Mixed FSO/RF Co-operative System

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    Type
    Article
    Authors
    Pattanayak, Dipti R.
    Dwivedi, Vivek K.
    Karwal, Vikram
    Ansari, Imran Shafique
    Lei, Hongjiang
    Alouini, Mohamed-Slim cc
    KAUST Department
    Communication Theory Lab
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2020
    Permanent link to this record
    http://hdl.handle.net/10754/662111
    
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    Abstract
    In this letter, the secrecy performance of a decode-and-forward (DF) principle based mixed free space optics (FSO) and radio frequency (RF) system is analyzed. The analysis is done from physical layer (PHY) security perspective. Herein, two different eavesdroppers are considered while signal is transmitting from source (S) to destination (D) through a relay (R) point. The FSO based and RF based eavesdroppers are trying to intercept the confidential signal from S-R link and R-D links respectively. The faded FSO links are modeled by Málaga (M) distribution and RF links are characterized by Nakagami-m distribution. Exact closed form expression for secrecy performance metric such as secrecy outage probability is derived and analyzed for the aforementioned system in terms of Meijer’s G-function and bivariate Fox’s H-function. Furthermore, the asymptotic expressions for these performance metrics are derived by employing high signal to noise ratio (SNR) approximation. Afterwards the results are verified by Monte-Carlo simulations. Finally, the secrecy threshold for the system is derived to get insight of the system reliability and secrecy.
    Citation
    Pattanayak, D. R., Dwivedi, V. K., Karwal, V., Ansari, I. S., Lei, H., & Alouini, M.-S. (2020). On the Physical Layer Security of a Decode and Forward Based Mixed FSO/RF Co-operative System. IEEE Wireless Communications Letters, 1–1. doi:10.1109/lwc.2020.2979442
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    IEEE Wireless Communications Letters
    DOI
    10.1109/LWC.2020.2979442
    arXiv
    1907.03117
    Additional Links
    https://ieeexplore.ieee.org/document/9031693/
    https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9031693
    http://arxiv.org/pdf/1907.03117
    ae974a485f413a2113503eed53cd6c53
    10.1109/LWC.2020.2979442
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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