Precoding for secrecy rate maximisation in cognitive MIMO wiretap channels

被引：2
|
作者：
Fang, Bing [1 ]
Qian, Zuping [1 ]
Zhong, Wei [1 ]
Shao, Wei [1 ]
机构：
[1] PLAUST, Coll Commun Engn, Nanjing 210007, Jiangsu, Peoples R China
来源：
ELECTRONICS LETTERS | 2015年 / 51卷 / 21期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1049/el.2015.1486
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The problem of physical layer security in a cognitive MIMO wiretap channel is studied. The problem is formulated as a secrecy rate maximisation (SRM) problem, and solved by a successive convex approximation (SCA) method. With the SCA method, the non-convex part of the SRM problem is approximated by its first-order Taylor expansion. Then, relying on solving a series of convexified optimisation problems, an iterative precoding algorithm is developed.
引用
收藏
页码：1715 / 1716
页数：2
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