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题名: Harvesting-throughput tradeoff for RFpowered underlay cognitive radio networks
作者: 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
刊名: Electronics Letters
ISSN号: 0013-5194
出版日期: 2016
卷号: 52, 期号:10, 页码:881-883
收录类别: SCI ; EI
产权排序: 1
项目资助者: 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记录号: WOS:000376136000057
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Electrical & Electronic
研究领域[WOS]: Engineering
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/18657
Appears in Collections:工业控制网络与系统研究室_期刊论文

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Recommended Citation:
Zheng M,Xu C,Liang W,et al. Harvesting-throughput tradeoff for RFpowered underlay cognitive radio networks[J]. Electronics Letters,2016,52(10):881-883.
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文件名: Harvesting-throughput tradeoff for RFpowered underlay cognitive radio networks.pdf
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