Abstract
Group target usually covers a large area and is more difficult to track in wireless sensor networks. In traditional methods, much more sensors are activated and involved in tracking, which causes a heavy network burden and huge energy cost. This paper presents a Boundary Sensing Model (BSM) used to discover group target’s contour, which conserves energy by letting only a small number of sensors – BOUNDARY sensors participate in tracking. Unlike previous works, the proposed BSM is flexible by adjusting the boundary thickness thresholds. We analytically evaluate the probability of becoming a BOUNDARY sensor and the average quantity of BOUNDARY sensors, which proved to be affected by communication radius, density, and boundary thickness thresholds. Extensive simulation results confirm that our theoretical results are reasonable, and show that our proposed BSM based group target tracking method uses less number of sensors for group tracking without precision loss.
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© 2012 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Li, Q., Zhao, Z., Xu, X., Yan, Q. (2012). A Flexible Boundary Sensing Model for Group Target Tracking in Wireless Sensor Networks. In: Rodrigues, J.J.P.C., Zhou, L., Chen, M., Kailas, A. (eds) Green Communications and Networking. GreeNets 2011. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 51. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33368-2_3
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DOI: https://doi.org/10.1007/978-3-642-33368-2_3
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-33367-5
Online ISBN: 978-3-642-33368-2
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