Physical layer security enhancement for cooperative SC-FDE systems

Pan Yuan, Yunpeng Cheng, Weiwei Yang, Kaihua Wang, Heng Wang
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引用次数: 1

Abstract

In this paper, a novel joint relay and destination selection scheme is proposed to enhance the secrecy performance in cooperative single carrier frequency domain equalization (SC-FDE) systems with multiple relays and multiple destinations in the present of a group of eavesdroppers. In particular, we derive the exact and asymptotic closed-form expressions for the secrecy outage probability (SOP) and the asymptotic results demonstrate that in sufficient high SNRs region of main channels, the achievable secrecy diversity gain is L1QK, i.e., the product of the channel tap L1, the number of destination nodes Q and the number of relay nodes K. Analytical results indicate that our proposed joint selection scheme can achieve better secrecy performance compared with that in previous work.
协作SC-FDE系统的物理层安全增强
为了提高多中继多目标协同单载波频域均衡(SC-FDE)系统在窃听者群存在下的保密性能,提出了一种新的中继多目标联合选择方案。特别地,我们导出了保密中断概率(SOP)的精确和渐近封闭形式表达式,渐近结果表明,在主信道足够高信噪比的区域内,可实现的保密分集增益为L1QK,即信道分接L1、目的节点数Q和中继节点数k。分析结果表明,我们提出的联合选择方案与之前的工作相比,可以获得更好的保密性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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