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题名: Joint management of energy harvesting, storage, and usage for green wireless sensor networks
作者: Jin X(金曦); Kong, Fanxin; Zeng P(曾鹏); Deng, Qingxu; Xu, Huiting
作者部门: 工业控制网络与系统研究室
关键词: Charging (batteries) ; Heuristic algorithms ; Optimization ; Sensor nodes
刊名: International Journal of Distributed Sensor Networks
ISSN号: 1550-1329
出版日期: 2014
卷号: 2014, 页码:1-13
收录类别: SCI ; EI
产权排序: 1
摘要: Recently, energy harvesting has been emerging as a promising technique to prolong the lifetime for wireless sensor nodes. Most existing efforts address the design of energy harvesting and sensor node subsystem separately or ignore some real-world constraints. In this paper, we study how to codesign the two subsystems and how to jointly manage energy harvesting, storage, and usage. We first propose a novel system architecture for energy harvesting which employs several supercapacitors to eliminate the conflicts on charging and discharging among different system components. Then, we present a method to schedule their charging and discharging, which is proved to be able to guarantee zero waste of the harvested energy if the battery is not full. Third, we propose an optimal algorithm to minimize different components' capacity and two heuristic algorithms to maximize the system reward. We conduct extensive experiments based on real-life data traces. Results show that the proposed system architecture can harvest more energy compared to the state of the art, and the capacity optimization algorithm can choose the most suitable size for each system component.
语种: 英语
WOS记录号: WOS:000338534800001
WOS标题词: Science & Technology ; Technology
类目[WOS]: Computer Science, Information Systems ; Telecommunications
关键词[WOS]: SYSTEM ; LIFETIME
研究领域[WOS]: Computer Science ; Telecommunications
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/15085
Appears in Collections:工业控制网络与系统研究室_期刊论文

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