Physical layer security of maximal ratio combining in underlay cognitive radio unit over Rayleigh fading channels

Hui Zhao, Hequn Liu, Yaping Liu, Chaoqing Tang, Gaofeng Pan

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24 引用 (Scopus)
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摘要

In this paper, we investigate the secrecy outage performance of maximal ratio combining (MRC) in cognitive radio networks (CRNs) over Rayleigh fading channels. In a single input multiple output wiretap system, we consider a secondary user SU-TX transmits confidential messages to another secondary user SU-RX equipped with K (K>1) antennas while MRC technique is adopted to improve its received signal-to-noise ratio. Meanwhile, an eavesdropper exists to overhear the information between SU-TX and SU-RX. SU-TX adopts the underlay strategy to meet the quality of service of the primary user without spectrum sensing. In this paper, we derive the closed-form expressions for the secrecy outage probability and the probability of nonzero secrecy capacity of MRC scheme in CRNs over Rayleigh fading channels. Simulations are conducted to validate the accuracy of our proposed analytical models.

源语言英语
主期刊名Proceedings of 2015 IEEE International Conference on Communication Software and Networks, ICCSN 2015
出版商Institute of Electrical and Electronics Engineers Inc.
201-205
页数5
ISBN(电子版)9781479919833
DOI
出版状态已出版 - 9 10月 2015
已对外发布
活动IEEE International Conference on Communication Software and Networks, ICCSN 2015 - Chengdu, 中国
期限: 6 6月 20157 6月 2015

出版系列

姓名Proceedings of 2015 IEEE International Conference on Communication Software and Networks, ICCSN 2015

会议

会议IEEE International Conference on Communication Software and Networks, ICCSN 2015
国家/地区中国
Chengdu
时期6/06/157/06/15

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引用此

Zhao, H., Liu, H., Liu, Y., Tang, C., & Pan, G. (2015). Physical layer security of maximal ratio combining in underlay cognitive radio unit over Rayleigh fading channels. 在 Proceedings of 2015 IEEE International Conference on Communication Software and Networks, ICCSN 2015 (页码 201-205). 文章 7296154 (Proceedings of 2015 IEEE International Conference on Communication Software and Networks, ICCSN 2015). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICCSN.2015.7296154