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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)
作者部门工业控制网络与系统研究室
发表期刊Electronics Letters
ISSN0013-5194
2016
卷号52期号:10页码:881-883
收录类别SCI ; EI
EI收录号20162102425657
WOS记录号WOS:000376136000057
产权排序1
资助机构Natural Science Foundation of China (61304263 and 61233007) and the Liaoning Provincial Natural Science Foundation of China (2014020081).
摘要A 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.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Engineering, Electrical & Electronic
WOS研究方向Engineering
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文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/18657
专题工业控制网络与系统研究室
通讯作者Liang W(梁炜)
作者单位1.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
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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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