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Harvesting-throughput tradeoff for RF-powered underlay cognitive radio networks
Zheng M(郑萌); Xu C(许驰); Liang W(梁炜); Yu HB(于海斌)
Department工业控制网络与系统研究室
Source PublicationElectronics Letters
ISSN0013-5194
2016
Volume52Issue:10Pages:881-883
Indexed BySCI ; EI
EI Accession number20162102425657
WOS IDWOS:000376136000057
Contribution Rank1
Funding OrganizationNatural Science Foundation of China (61304263 and 61233007) and the Liaoning Provincial Natural Science Foundation of China (2014020081).
AbstractA green cognitive radio that is solely powered by an energy harvester which extracts energy from the RF signal of a primary user transmitter is considered. The cognitive radio operates in a harvesting-transmitting fashion with the period of one time slot. In each period, it first harvests energy for a fixed duration and then transmits data using the harvested energy for the rest of the period. Considering the intrinsic harvestingthroughput tradeoff, we optimise the harvesting ratio of the cognitive radio to maximise its achievable throughput, subject to the interference constraint by the primary user receiver. It is shown that the formulated optimisation problem is convex and we derive a closed-form expression for the optimal harvesting ratio. Simulations validate the correctness and analyse the achievable throughput and optimal harvesting ratio under different parameters.
Language英语
WOS HeadingsScience & Technology ; Technology
WOS SubjectEngineering, Electrical & Electronic
WOS Research AreaEngineering
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/18657
Collection工业控制网络与系统研究室
Corresponding AuthorLiang W(梁炜)
Affiliation1.Shenyang Institute of Automation, Chinese Academy of Sciences, 114 Nanta Street, Shenyang, China
2.Key Laboratory of Networked Control Systems, Chinese Academy of Sciences, 114 Nanta Street, Shenyang, China
3.University of Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Zheng M,Xu C,Liang W,et al. Harvesting-throughput tradeoff for RF-powered underlay cognitive radio networks[J]. Electronics Letters,2016,52(10):881-883.
APA Zheng M,Xu C,Liang W,&Yu HB.(2016).Harvesting-throughput tradeoff for RF-powered underlay cognitive radio networks.Electronics Letters,52(10),881-883.
MLA Zheng M,et al."Harvesting-throughput tradeoff for RF-powered underlay cognitive radio networks".Electronics Letters 52.10(2016):881-883.
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