Outage Performance of Underlay Multihop Cognitive Relay Networks with Energy Harvesting

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	Outage Performance of Underlay Multihop Cognitive Relay Networks with Energy Harvesting
	Xu C(许驰); Zheng M(郑萌); Liang W(梁炜); Yu HB(于海斌); Liang YC(梁应敞)
刊名	IEEE Communications Letters
	2016
卷号	20 期号:6 页码:1148-1151
关键词	Multihop underlay cognitive relay networks energy harvesting outage probability
ISSN号	1089-7798
通讯作者	于海斌 ; 梁炜
产权排序	1
中文摘要	This letter studies the outage performance of multihop cognitive relay networks with energy harvesting in underlay paradigms, wherein the secondary users are powered by a dedicated power beacon (PB) and their transmit powers are subject to the harvested energy from PB and the interference constraint from the primary user. We derive the exact outage probability for Rayleigh block fading and prove that the outage probability is monotonically decreasing with respect to the transmit power of PB. Furthermore, we derive the asymptotic outage probability to study the outage saturation phenomenon and propose an iterative algorithm that jointly optimizes the transmit power of PB and the harvest-to-transmit ratio to approximate the minimum outage probability. Simulation results validate the theoretical results.
WOS标题词	Science & Technology ; Technology
类目[WOS]	Telecommunications
研究领域[WOS]	Telecommunications
关键词[WOS]	POWER TRANSFER ; WIRELESS INFORMATION ; RADIO NETWORKS ; STRATEGY ; ACCESS
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000383741400023
内容类型	期刊论文
源URL	[http://ir.sia.cn/handle/173321/18733]
专题	沈阳自动化研究所_工业控制网络与系统研究室
推荐引用方式 GB/T 7714	Xu C,Zheng M,Liang W,et al. Outage Performance of Underlay Multihop Cognitive Relay Networks with Energy Harvesting[J]. IEEE Communications Letters,2016,20(6):1148-1151.
APA	Xu C,Zheng M,Liang W,Yu HB,&Liang YC.(2016).Outage Performance of Underlay Multihop Cognitive Relay Networks with Energy Harvesting.IEEE Communications Letters,20(6),1148-1151.
MLA	Xu C,et al."Outage Performance of Underlay Multihop Cognitive Relay Networks with Energy Harvesting".IEEE Communications Letters 20.6(2016):1148-1151.