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Harvesting-Throughput Tradeoff for CDMA-Based Underlay Cognitive Radio Networks With Wireless Energy Harvesting
Zheng M(郑萌); Liang W(梁炜); Yu HB(于海斌)
作者部门工业控制网络与系统研究室
关键词Cognitive Radio Energy Causality Harvesting-throughput Tradeoff Underlay Wireless Energy Harvesting
发表期刊IEEE Systems Journal
ISSN1932-8184
2018
卷号12期号:3页码:2395-2398
收录类别SCI ; EI
EI收录号20165303200942
WOS记录号WOS:000443049900034
产权排序1
资助机构Natural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China ; Youth Innovation Promotion Association, Chinese Academy of Sciences
摘要

This paper considers a green cognitive radio network wherein each secondary user (SU) is solely powered by an energy harvester which extracts energy from RF signals of a primary user transmitter. Each SU operates in a harvesting鈥搕ransmitting fashion periodically. In each period, all SUs first harvest energy for a fixed duration and then transmit data using the harvested energy to one access point for the rest of the period in the code-division multiple access method. Considering the intrinsic harvesting-throughput tradeoff, we jointly optimize the harvesting time and transmit powers of SUs to maximize the sum throughput of the network, subject to the primary interference constraint and the energy causality constraint. Despite of the nonconvex nature of the formulated optimization problem, we find an equivalent but convex substitution to the original problem. Then, we propose a dual-decomposition-based solution method to solve the problem. Simulations finally demonstrate the efficiency of this paper.

语种英语
WOS类目Computer Science, Information Systems ; Engineering, Electrical & Electronic ; Operations Research & Management Science ; Telecommunications
关键词[WOS]POWER TRANSFER ; OPTIMIZATION ; INFORMATION ; SYSTEMS
WOS研究方向Computer Science ; Engineering ; Operations Research & Management Science ; Telecommunications
资助项目Natural Science Foundation of China[61233007] ; Natural Science Foundation of China[61304263] ; Natural Science Foundation of China[61673371] ; Liaoning Provincial Natural Science Foundation of China[2014020081] ; Youth Innovation Promotion Association, Chinese Academy of Sciences[2015157]
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/20225
专题工业控制网络与系统研究室
通讯作者Liang W(梁炜); Yu HB(于海斌)
作者单位State Key Laboratory of Robotics and the Key Laboratory of Networked Control Systems, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
推荐引用方式
GB/T 7714
Zheng M,Liang W,Yu HB. Harvesting-Throughput Tradeoff for CDMA-Based Underlay Cognitive Radio Networks With Wireless Energy Harvesting[J]. IEEE Systems Journal,2018,12(3):2395-2398.
APA Zheng M,Liang W,&Yu HB.(2018).Harvesting-Throughput Tradeoff for CDMA-Based Underlay Cognitive Radio Networks With Wireless Energy Harvesting.IEEE Systems Journal,12(3),2395-2398.
MLA Zheng M,et al."Harvesting-Throughput Tradeoff for CDMA-Based Underlay Cognitive Radio Networks With Wireless Energy Harvesting".IEEE Systems Journal 12.3(2018):2395-2398.
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