Secrecy Outage Performance of Transmit Antenna Selection for MIMO Underlay Cognitive Radio Systems over Nakagami-m Channels

Hongjiang Lei, Chao Gao*, Imran Shafique Ansari, Yongcai Guo, Yulong Zou, Gaofeng Pan, Khalid A. Qaraqe

*此作品的通讯作者

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摘要

This paper considers a multiple-input-multiple-output (MIMO) cognitive wiretap system over Nakagami-m channels with generalized selection combining (GSC), where confidential messages transmitted from a multiple-antenna transmitter to a multiple-antenna legitimate receiver are overheard by a multiple-antenna eavesdropper. Depending on whether the source node has the global channel state information (CSI) of both the main and wiretap channels, we investigate the secrecy outage performances of optimal antenna selection (OAS) and suboptimal antenna selection (SAS) schemes for MIMO underlay cognitive radio systems over Nakagami-m channels, and we compare them with the space-time transmission (STT) scheme. The closed-form expressions for the exact and asymptotic secrecy outage probability (SOP) for various schemes are derived. Simulations are conducted to validate the accuracy of our derived analytical results.

源语言英语
文章编号7480814
页(从-至)2237-2250
页数14
期刊IEEE Transactions on Vehicular Technology
66
3
DOI
出版状态已出版 - 3月 2017
已对外发布

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Lei, H., Gao, C., Ansari, I. S., Guo, Y., Zou, Y., Pan, G., & Qaraqe, K. A. (2017). Secrecy Outage Performance of Transmit Antenna Selection for MIMO Underlay Cognitive Radio Systems over Nakagami-m Channels. IEEE Transactions on Vehicular Technology, 66(3), 2237-2250. 文章 7480814. https://doi.org/10.1109/TVT.2016.2574315