Physical layer security of underlay cognitive radio using maximal ratio combining

Hui Zhao, Dan yang Wang, Chao qing Tang, Ya ping Liu, Gao feng Pan*, Ting ting Li, Yun fei Chen

*此作品的通讯作者

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摘要

We investigate the secrecy outage performance of maximal ratio combining (MRC) in cognitive radio networks over Rayleigh fading channels. In a single-input multiple-output wiretap system, we consider a secondary user (SU-TX) that transmits confidential messages to another secondary user (SU-RX) equipped with M (M ≥ 1) antennas where the MRC technique is adopted to improve its received signal-to-noise ratio. Meanwhile, an eavesdropper equipped with N (N ≥ 1) antennas adopts the MRC scheme to overhear the information between SU-TX and SU-RX. SU-TX adopts the underlay strategy to guarantee the service quality of the primary user without spectrum sensing. We derive the closed-form expressions for an exact and asymptotic secrecy outage probability.

源语言英语
页(从-至)929-937
页数9
期刊Frontiers of Information Technology and Electronic Engineering
17
9
DOI
出版状态已出版 - 1 9月 2016
已对外发布

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引用此

Zhao, H., Wang, D. Y., Tang, C. Q., Liu, Y. P., Pan, G. F., Li, T. T., & Chen, Y. F. (2016). Physical layer security of underlay cognitive radio using maximal ratio combining. Frontiers of Information Technology and Electronic Engineering, 17(9), 929-937. https://doi.org/10.1631/FITEE.1500351