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	Energy optimized cluster rotation algorithm in wireless sensor networks
	Wang Yong-cai ; Zhao Qian-chuan ; Zheng Da-zhong
	2010-05-06 ; 2010-05-06
关键词	Practical/ dynamic programming wireless sensor networks/ wireless sensor networks energy recharging variable-stage dynamic programming problem energy conservation law smallest switching longest lifetime cluster rotation algorithm/ B6250 Radio links and equipment B0260 Optimisation techniques
中文摘要	Wireless sensor networks (WSN) are promising in many military and civil applications. Due to the difficulty of energy recharging, prolonging the lifetime of WSN systems is one of the key challenges. The working process of WSN is formulated as a variable-stage dynamic programming problem. The upper bound and lower bound of system lifetime are derived based on the energy conservation law. An energy-first cluster rotation strategy is proposed and proved to be the optimal, based on which, a practical smallest switching longest lifetime cluster rotation algorithm (SSLL) is proposed. Simulation results with PowerTOSSIM verify that the SSLL algorithm achieves almost optimal system lifetime.
语种	中文 ; 中文
出版者	Northeastern Univ ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/9139]
专题	清华大学
推荐引用方式 GB/T 7714	Wang Yong-cai,Zhao Qian-chuan,Zheng Da-zhong. Energy optimized cluster rotation algorithm in wireless sensor networks[J],2010, 2010.
APA	Wang Yong-cai,Zhao Qian-chuan,&Zheng Da-zhong.(2010).Energy optimized cluster rotation algorithm in wireless sensor networks..
MLA	Wang Yong-cai,et al."Energy optimized cluster rotation algorithm in wireless sensor networks".(2010).

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