多用户不可信放大转发无线中继网络安全性能分析

doi:10.16182/j.issn1004731x.joss.201708024

系统仿真学报 ›› 2017, Vol. 29 ›› Issue (8): 1822-1828.doi: 10.16182/j.issn1004731x.joss.201708024

多用户不可信放大转发无线中继网络安全性能分析

邓单¹, 周雯²

1. 广州番禺职业技术学院,广东广州 511483;
2. 南京林业大学,江苏南京 210037

收稿日期:2016-10-21 发布日期:2020-06-01
作者简介:邓单(1981-),男,湖北京山,博士,副教授,研究方向为无线通信,物理层安全;周雯(通讯作者1981-),男,安徽,博士,副教授,研究方向为无线通信与优化。
基金资助:
国家青年自然科学基金(61601275),广州市科技计划(201707010389),广州番禺职业技术学院"青山湖青年学者"科研项目(2016Q001),广州市教育局2016年市属高校科研项目(1201620439),京信通信研究基金(H2017007)

Performance Analysis on Multiuser Untrusted Amplify-and-Forward Relay Networks

Deng Dan¹, Zhou Wen²

1. Guangzhou Panyu Polytechnic, Guangzhou 511483, China;
2. Nanjing Forestry University, Nanjing 210037, China

Received:2016-10-21 Published:2020-06-01

摘要/Abstract

摘要： 针对放大转发无线中继网络,对直接链路和中继链路进行联合设计,研究不可信中继节点对系统安全截断概率(SOP,secrecy outage probability)性能的影响。根据不同的选择准则,最佳用户被选中,在不可信中继节点的协助下,最佳用户向目标用户发送信号。为减少信息泄漏,基于直接链路和中继链路的信道状态信息条件,我们提出三种不同的选择准则,并且推导了不同准则下SOP的解析式及其渐近表达式。数值仿真对比了三种准则下系统的SOP性能,给出了各自的分集增益阶数,验证了理论分析。

关键词: 安全截断概率, 放大转发, 中继网络, 用户选择

Abstract: The effect of the untrusted relaying node was investigated on the secrecy outage probability (SOP) of amplify-and-forward (AF) relay networks in the presence of direct links and multiple users. In the considered system, the best user was selected according a certain criterion. It transmitted signals to the destination node with the aid of the untrusted relaying node. To reduce the useful information leakage, three selection criteria were proposed based on the channel state information of the direct and/or relaying link. The closed-form analytical SOP and the corresponding asymptotic expressions were derived. Computer simulation was conducted to validate the theoretical analysis. The SOP performance with the proposed three criterions was compared and their respective diversity orders were proposed.

Key words: secrecy outage probability, amplify-and-forward, relay networks, user selection

中图分类号:

TN802

邓单, 周雯. 多用户不可信放大转发无线中继网络安全性能分析[J]. 系统仿真学报, 2017, 29(8): 1822-1828.

Deng Dan, Zhou Wen. Performance Analysis on Multiuser Untrusted Amplify-and-Forward Relay Networks[J]. Journal of System Simulation, 2017, 29(8): 1822-1828.

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多用户不可信放大转发无线中继网络安全性能分析

Performance Analysis on Multiuser Untrusted Amplify-and-Forward Relay Networks

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