联合天线选择和人工噪声的安全传输技术

系统仿真学报 ›› 2016, Vol. 28 ›› Issue (2): 376-383.

联合天线选择和人工噪声的安全传输技术

邓单¹, 王伟¹, 赵明²

1.广州番禺职业技术学院,广东广州 511483;
2.中国科学技术大学,安徽合肥 230027

收稿日期:2014-10-21 修回日期:2014-12-11 出版日期:2016-02-08 发布日期:2020-08-17
作者简介:邓单(1981-),男,湖北京山,博士,高工,研究方向为MIMO、物理层安全;王伟(1972-),男,陕西咸阳,博士,副教授,研究方向为信息安全;赵明(通讯作者1976-),男,安徽铜陵,博士,讲师,研究方向无线通信技术,无线信道。
基金资助:
国家高技术研究发展计划(2012AA011402); 广东省教育科学教育信息技术研究专项课题(13JXN042)

PHY Security Transmission Based on Antenna Selection and Artificial Noise

Deng Dan¹, Wang Wei¹, Zhao Ming²

1. Guangzhou Panyu Polytechnic, Guangzhou 511483, China;
2. University of Science and Technology of China, Hefei 230027, China

Received:2014-10-21 Revised:2014-12-11 Online:2016-02-08 Published:2020-08-17

摘要/Abstract

摘要： 针对模拟网络编码系统(Analog Network Coding, ANC),提出联合天线选择与人工噪声(Antenna Selection and Artificial Noise,ASAN)的物理层安全传输方案。在ANC系统的广播阶段,中继结点从接收天线集合中优选出部分天线子集;基于优选天线子集,从联合等效信道矩阵中推导出波束成形矩阵与人工噪声向量。针对ASAN技术方案,提出了适合不同场景的天线选择方案并进行仿真分析。仿真结果表明：当Relay结点天线数为3时,相比于经典的波束成形方案,ASAN方案表现出的性能增益约为2.5dB;当天线数目配置为6时,性能增益约为3dB。特别地,联合优选准则与简化的单向选择准则具有接近的性能曲线,而单向选择准则算法的复杂度可减半。

关键词: 人工噪声, 模拟网络编码, 物理层安全, 安全容量

Abstract: A physical-layer security enhancement scheme based on antenna selection and artificial noise (ASAN) was proposed. In broadcast phase, the Relay node selected the optimal antenna subset, and transmitted the beamforming matrix and artificial noise vector simultaneously. Simulation results show that the ASAN scheme outperforms classical beamforming scheme. Compared with beamforming scheme, the proposed scheme shows about 2.5dB gain in ergodic secrecy capacity when antenna number of Relay is three, and 3dB gain when the antenna number is six. Specifically, the combined selection criterion shows the similar curve compared with the one-direction criterion, in which the Relay only needs the channel information on Alice.

Key words: artificial noise, analog network coding, physical-layer security, secrecy capacity

中图分类号:

TN802

邓单, 王伟, 赵明. 联合天线选择和人工噪声的安全传输技术[J]. 系统仿真学报, 2016, 28(2): 376-383.

Deng Dan, Wang Wei, Zhao Ming. PHY Security Transmission Based on Antenna Selection and Artificial Noise[J]. Journal of System Simulation, 2016, 28(2): 376-383.

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