Two-stage target locating algorithm in three dimensional WSNs under typical deployment schemes

Authors:
Lei Mao;Junzhao Du;Hui Liu;Deke Guo;Xing Tang;Ning Wei
Affiliations:
Software Engineering Institute and Xidian University, Xi'an, Shannxi, P.R. China;Software Engineering Institute and State Key Lab of ISN, Xidian University, Xi'an, Shannxi, P.R. China;Software Engineering Institute and Xidian University, Xi'an, Shannxi, P.R. China;Key lab of C⁴ISR Technology, College of Information Systems and Management, National University of Defense Technology, Changsha, Hunan, P.R. China;Software Engineering Institute and Xidian University, Xi'an, Shannxi, P.R. China;Software Engineering Institute and Xidian University, Xi'an, Shannxi, P.R. China
Venue:
WASA'10 Proceedings of the 5th international conference on Wireless algorithms, systems, and applications
Year:
2010

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Abstract

Target locating is a kernel and challenging function of many applications based on wireless sensor networks. Many existing approaches of target locating employ the binary detection model. In this paper, we first propose a probabilistic-based detection model for wireless sensor networks in a threedimensional region, which is more realistic in reality. We further design a probability-based target locating algorithm and evaluate this algorithm under four typical deployment schemes of wireless sensor networks. Simulation results show that our simple and effective algorithm can locate the target and save much energy during the tracking process of a moving target.