Wireless Powered Protocol Exploiting Energy Harvesting During Cognitive Communications

被引：5
|
作者：
Agarwal, Anirudh [1 ]
Mishra, Deepak [2 ]
机构：
[1] LNM Inst Informat Technol, Dept ECE, Jaipur 302031, Rajasthan, India
[2] Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2020年 / 9卷 / 06期
关键词：
Throughput; Artificial neural networks; Batteries; Protocols; Wireless communication; Optimization; Energy harvesting; Cognitive radio; energy harvesting; time allocation; sum throughput maximization; wireless power transfer; ALLOCATION;
D O I：
10.1109/LWC.2020.2970715
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, a novel wireless powered protocol is proposed to maximize the system throughput of an energy harvesting (EH) based cognitive radio network, while satisfying a minimum primary user rate requirement. For EH, we exploit both dedicated wireless power transfer from primary base station as well as ambient ones available due to wireless information transfer among primary and secondary users. Specifically, we prove convexity of the optimization problem and obtain semi-closed-form for globally optimal solution. Numerical results validate the analysis, and show an average performance improvement of 70 & x0025; over benchmark scheme for various system parameters.
引用
收藏
页码：813 / 816
页数：4
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