Joint Artificial Noise and Repetition Coding for Secure Wireless Communications in TDD Systems

被引：5
|
作者：
He, Hongliang [1 ,2 ]
Ren, Pinyi [1 ,2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China
[2] Shaanxi Smart Networks & Ubiquitous Access Res Ct, Xian 710049, Peoples R China
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2019年 / 8卷 / 06期
关键词：
TDD; security; repetition coding; jamming;
D O I：
10.1109/LWC.2019.2937859
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this letter, we study the secure transmission in the wireless single-antenna time division duplexing (TDD) system when there is a passive eavesdropper. A joint artificial noise and repetition coding scheme is designed, in which the artificial noise can be removed only by the legitimate receiver instead of the eavesdropper. We prove that by using the proposed scheme, the capacity of the wiretap channel is limited by an upper bound, and the achievable secrecy rate can be maximized by power allocation. Finally, simulation results are supplied to corroborate the theoretical analysis.
引用
收藏
页码：1700 / 1703
页数：4
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