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13 October 2008Robust target localization with multi-party cooperation in wireless sensor networks
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.
Liang Ding,Xue Wang, andDaowei Bi
"Robust target localization with multi-party cooperation in wireless sensor networks", Proc. SPIE 7127, Seventh International Symposium on Instrumentation and Control Technology: Sensors and Instruments, Computer Simulation, and Artificial Intelligence, 71270T (13 October 2008); https://doi.org/10.1117/12.806283
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Liang Ding, Xue Wang, Daowei Bi, "Robust target localization with multi-party cooperation in wireless sensor networks," Proc. SPIE 7127, Seventh International Symposium on Instrumentation and Control Technology: Sensors and Instruments, Computer Simulation, and Artificial Intelligence, 71270T (13 October 2008); https://doi.org/10.1117/12.806283