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题名: Outage Performance of Underlay Multihop Cognitive Relay Networks with Energy Harvesting
作者: Xu C(许驰); Zheng M(郑萌); Liang W(梁炜); Yu HB(于海斌); Liang YC(梁应敞)
作者部门: 工业控制网络与系统研究室
关键词: Multihop ; underlay ; cognitive relay networks ; energy harvesting ; outage probability
刊名: IEEE Communications Letters
ISSN号: 1089-7798
出版日期: 2016
卷号: 20, 期号:6, 页码:1148-1151
收录类别: SCI ; EI
产权排序: 1
项目资助者: National Natural Science Foundation of China under Grant 61233007, Grant 61304263, and Grant 61571100.
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. 
语种: 英语
WOS记录号: WOS:000383741400023
WOS标题词: Science & Technology ; Technology
类目[WOS]: Telecommunications
关键词[WOS]: POWER TRANSFER ; WIRELESS INFORMATION ; RADIO NETWORKS ; STRATEGY ; ACCESS
研究领域[WOS]: Telecommunications
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/18733
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:
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.
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