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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)
Department工业控制网络与系统研究室
Source PublicationIEEE Systems Journal
ISSN1932-8184
2018
Volume12Issue:3Pages:2395-2398
Indexed BySCI ; EI
EI Accession number20165303200942
WOS IDWOS:000443049900034
Contribution Rank1
Funding OrganizationNatural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China ; Youth Innovation Promotion Association, Chinese Academy of Sciences
KeywordCognitive Radio Energy Causality Harvesting-throughput Tradeoff Underlay Wireless Energy Harvesting
Abstract

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.

Language英语
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic ; Operations Research & Management Science ; Telecommunications
WOS KeywordPOWER TRANSFER ; OPTIMIZATION ; INFORMATION ; SYSTEMS
WOS Research AreaComputer Science ; Engineering ; Operations Research & Management Science ; Telecommunications
Funding ProjectNatural 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]
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/20225
Collection工业控制网络与系统研究室
Corresponding AuthorLiang W(梁炜); Yu HB(于海斌)
AffiliationState Key Laboratory of Robotics and the Key Laboratory of Networked Control Systems, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
Recommended Citation
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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