物理层安全中的最优中继选择及协同干扰策略

doi:10.3969/j.issn.0372-2112.2015.04.023

CORC > 北京大学 > 信息科学技术学院

	物理层安全中的最优中继选择及协同干扰策略; Cooperative Jamming with Optimal Relay Selection and Power Allocation for Physical Layer Security
	赵耀环 ; 谢梦非 ; 尚勇
刊名	电子学报
	2015
关键词	物理层安全中继选择协同干扰功率分配 physical layer security relay selection cooperative jamming power allocation
DOI	10.3969/j.issn.0372-2112.2015.04.023
英文摘要	本文提出了一种以协同干扰为基础,结合了最优中继选择和功率分配的物理层安全方案.该方案针对分布式天线的场景,从中间节点中选择一个最佳的节点作为中继,剩余的其他节点作为协同干扰节点.中继节点使用放大转发策略.本文同时提出了协同干扰节点的波束成形算法.另外,我们还推导出了中继节点和协同干扰节点之间的功率分配的闭式解.最后,本文还给出了相关的仿真结果,证实了新提出的方案比传统方案能获得更高的安全容量.; In this paper, a scheme of cooperative jamming with optimal relay selection and power allocation is proposed. The proposed scheme selects one node from the intermediate nodes as relay and the rest nodes as friendly jammers. The relay operates in amplify-and-forward (AF) strategy. Jammer weights are derived to null the jamming signals at the destination and relay node and maximize the jamming signal at the eavesdropper. Furthermore, a closed-form optimal solution of power allocation between the selected relay and cooperative jammers is derived. Numerical simulation results show that the proposed scheme can outperform the conventional schemes at the same power consumption. ?, 2015, Chinese Institute of Electronics. All right reserved.; EI; 中文核心期刊要目总览(PKU); 中国科技核心期刊(ISTIC); 中国科学引文数据库(CSCD); 4; 791-794; 43
语种	中文
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/414909]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	赵耀环,谢梦非,尚勇. 物理层安全中的最优中继选择及协同干扰策略, Cooperative Jamming with Optimal Relay Selection and Power Allocation for Physical Layer Security[J]. 电子学报,2015.
APA	赵耀环,谢梦非,&尚勇.(2015).物理层安全中的最优中继选择及协同干扰策略.电子学报.
MLA	赵耀环,et al."物理层安全中的最优中继选择及协同干扰策略".电子学报 (2015).