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Secrecy Performance Analysis of SIMO Systems over Correlated κ-µ Shadowed Fading Channels

Sun, Jiangfeng and Bie, Hongxia and Li, Xingwang and Zhang, Jiayi and Pan, Gaofeng and Rabie, Khaled (2019) Secrecy Performance Analysis of SIMO Systems over Correlated κ-µ Shadowed Fading Channels. IEEE Access, 7. ISSN 2169-3536

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Abstract

In this paper, the secrecy performance of single-input-multiple-output systems over correlated κ-μ shadowed fading channels is investigated. In particular, based on the classic Wyner's wiretap model, we derive analytical expressions for secure outage probability (SOP) and the probability of strictly positive secrecy capacity (SPSC) over correlated κ-μ shadowed fading channels. In order to further study the impact of channel parameters on the secrecy performance, novel SOP and the probability of SPSC over independent and identically distributed κ-μ shadowed fading channels are also obtained. In addition, we discuss the asymptotic expressions of the SOP and the SPSC. The match between the analytical results and simulations is excellent for all parameters under considerations. It is interesting to find that the results show that when the signal-to-noise ratio of the main channel is lower than that of the eavesdropping channel, the larger value of correlation coefficient is helpful to improve the secrecy performance and vice versa.

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