Secrecy Performance Analysis for SIMO Simultaneous Wireless Information and Power Transfer Systems

In this paper, a single-input multiple-output (SIMO) simultaneous wireless information and power transfer system consisting of one base station, one desired information receiver and N (N > 1) energy-harvesting receivers is considered. Each link in the considered system suffers not only from small...

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Bibliographic Details
Published in:IEEE transactions on communications 2015-09, Vol.63 (9), p.3423-3433
Main Authors: Pan, Gaofeng, Tang, Chaoqing, Li, Tingting, Chen, Yunfei
Format: Article
Language:English
Subjects:
Communication system security
Computer simulation
Eavesdropping
Erbium
Exact solutions
Fading
Links
Mathematical analysis
Monte Carlo simulation
Power transfer
Rayleigh channels
Receivers
Secrecy aspects
secrecy capacity
secrecy outage probability
Secure communication
Security
simultaneous wireless information and power transfer
single-input multiple-output
Wireless carriers
Wireless communication
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Summary:In this paper, a single-input multiple-output (SIMO) simultaneous wireless information and power transfer system consisting of one base station, one desired information receiver and N (N > 1) energy-harvesting receivers is considered. Each link in the considered system suffers not only from small-scale fading but also path-loss. In particular, we focus on the physical layer security performance including secrecy outage and secrecy capacity in the presence of eavesdroppers. We derive the closed-form analytical expression for the exact and the asymptotic secrecy outage probability while considering each eavesdropping link experiences independent but not necessarily identical Rayleigh fading. The closed-form analytical expression for the average secrecy capacity has also been derived for the case that all eavesdropping links experience independent and identical Rayleigh fading. Numerical and Monte Carlo simulation results are presented to verify our derived analytical models.
ISSN:0090-6778
1558-0857
DOI:10.1109/TCOMM.2015.2458317