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	Robust target localization with multi-party cooperation in wireless sensor networks
	Liang Ding ; Xue Wang ; Daowei Bi
	2010-05-10 ; 2010-05-10
会议名称	Proceedings of the SPIE - The International Society for Optical Engineering ; Seventh International Symposium on Instrumentation and Control Technology: Sensors and Instruments, Computer Simulation, and Artificial Intelligence ; Beijing, China ; INSPEC
关键词	Practical Theoretical or Mathematical Experimental/ fault tolerance maximum likelihood estimation particle swarm optimisation reliability target tracking wireless sensor networks/ fault tolerant target localization multiparty cooperation wireless sensor networks faulty sensor nodes reliability level data fidelity particle swarm optimization algorithm maximum likelihood function target location distribution data quality/ B6250 Radio links and equipment B7230 Sensing devices and transducers B0260 Optimisation techniques B0240Z Other topics in statistics
中文摘要	Fault tolerant target localization is an important issue in wireless sensor networks. Faulty sensor nodes generate arbitrary data, which make the cooperation result untrustworthy. In this paper, multi-party cooperation between sensor nodes is used to estimate the target location robustly and accurately. We assign each sensor node a reliability level (RL) to qualify its data fidelity. A RL-weighted scheme is used to select the sensor node nearest to the target to perform as a processing node, which executes a particle swarm optimization algorithm to solve the maximum likelihood function of target location distribution. Each sensor node's RL is then updated according to the current data quality determined by the estimated target location. Experimental results show that although more than 50% sensor nodes are faulty, target localization error decreases over time and ultimately achieve a low level.
会议录出版者	SPIE - The International Society for Optical Engineering ; USA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19370]
专题	清华大学
推荐引用方式 GB/T 7714	Liang Ding,Xue Wang,Daowei Bi. Robust target localization with multi-party cooperation in wireless sensor networks[C]. 见:Proceedings of the SPIE - The International Society for Optical Engineering, Seventh International Symposium on Instrumentation and Control Technology: Sensors and Instruments, Computer Simulation, and Artificial Intelligence, Beijing, China, INSPEC.

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