Spread spectrum directional modulation method based on the irrelevantly switched antenna for physical layer security transmission

被引：0
|
作者：
Guo B. [1 ]
Yang Y. [1 ]
Xin G. [1 ]
Tang Y. [1 ]
机构：
[1] Institute of Information Engineering, Information Engineering Univ., Zhengzhou
来源：
| 1600年 / Science Press卷 / 44期
关键词：
Antenna array; Directional modulation; Physical layer security; Spread spectrum communication; Switch;
D O I：
10.3969/j.issn.1001-2400.2017.02.025
中图分类号：
学科分类号：
摘要：
In order to improve the security of wireless communication, a spread spectrum directional modulation method based on the irrelevantly switched antenna is presented. First, the security vulnerabilities of the existing spread spectrum directional modulation method are analyzed, indicating that the existing method has the risk of security leakage in some particular directions. Then by locating the security vulnerabilities of the existing method, a security-enhanced method is proposed by separating the antenna switching from the spectrum spreading to eliminate the security vulnerabilities. Finally, the physical layer security performance of two directional modulation methods is simulated, with the results showing that the proposed method has a better low detection performance and anti-jamming capability. © 2017, The Editorial Board of Journal of Xidian University. All right reserved.
引用
收藏
页码：145 / 150
页数：5
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