Outage constraint robust transmission design for secrecy MIMO SWIPT system with time switching

被引：0
|
作者：
Zhou F. [1 ,3 ]
Wang R. [1 ,2 ]
Yang X. [1 ]
Bian J. [3 ]
机构：
[1] School of Information Technology, Yancheng Institute of Technology, Yancheng
[2] Collaborative Innovation Center of Jiangsu Provincial Ecological Building Materials and Environmental Protection Equipment, Yancheng
[3] Research Center of Yancheng City Optical Fiber Sensing and Applied Engineering Technology, Yancheng
来源：
Progress In Electromagnetics Research C | 2019年 / 89卷
基金：
中国国家自然科学基金;
关键词：
Formulated problems - Information and power transfers - Information signals - Numerical results - Optimization method - Probabilistic constraints - Robust transmission - Transmission design;
D O I：
10.2528/PIERC18101605
中图分类号：
学科分类号：
摘要：
In this paper, we investigate a robust secrecy transmission design for a multiple-input multiple-output simultaneous wireless information and power transfer system. Specifically, considering time switching at the transmitter, we aim to maximize the outage secrecy rate by jointly designing the information signal, energy signal, and time switching ratio, under the constraints of transmit power and harvested energy. The formulated problem is highly non-convex due to the difference of two log-det functions and probabilistic constraints. To overcome this obstacle, we divide the original problem into three convex subproblems. Then, an alternative optimization method is proposed. Finally, numerical results are presented to verify the performance of the proposed scheme. © 2019, Electromagnetics Academy. All rights reserved.
引用
收藏
页码：181 / 190
页数：9
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