Secrecy Outage of Max-Min TAS Scheme in MIMO-NOMA Systems

Hongjiang Lei*, Jianming Zhang, Ki Hong Park, Peng Xu, Zufan Zhang, Gaofeng Pan, Mohamed Slim Alouini

*此作品的通讯作者

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摘要

This paper considers a secure nonorthogonal multiple access system, where confidential messages are transmitted from a base station to multiple legitimate destinations and wiretapped by multiple illegitimate receivers. It is assumed that all the channels experience a Nakagami-m fading model and all the nodes are equipped with multiple antennas, respectively. Both noncolluding and colluding eavesdroppers are considered, respectively. A max-min (MM) transmit antenna selection (TAS) strategy is adopted to improve the secrecy performance of the target system, in which both users in user paring are considered simultaneously. In particular, closed-form expressions for the cumulative distribution function of the signal-to-interference-noise ratio at the legitimate user are derived first. Then, we obtain the exact and asymptotic analytical results in a closed form for the secrecy outage probability of an MM TAS scheme. Monte Carlo simulation results are presented to corroborate the correctness of the analysis. The results show that the secrecy diversity order is zero and nonzero for fixed and dynamic power allocations, respectively.

源语言英语
文章编号8333750
页(从-至)6981-6990
页数10
期刊IEEE Transactions on Vehicular Technology
67
8
DOI
出版状态已出版 - 8月 2018
已对外发布

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Lei, H., Zhang, J., Park, K. H., Xu, P., Zhang, Z., Pan, G., & Alouini, M. S. (2018). Secrecy Outage of Max-Min TAS Scheme in MIMO-NOMA Systems. IEEE Transactions on Vehicular Technology, 67(8), 6981-6990. 文章 8333750. https://doi.org/10.1109/TVT.2018.2824310