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Tracking a moving target in wireless sensor networks using PDR sensors

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3 Author(s)
Young-Man Kim ; Sch. of Comput. Sci., Kookmin Univ., Seoul, South Korea ; Anh-Duy Vu ; Jea-Il Han

The Pulse-Doppler radar (PDR) is an ultrawideband radar system capable of not only detecting target location, but also measuring its radial velocity by using the Doppler Effect. However, the traditional radar signal processing techniques are mismatch with the limit computational and storage resources available on typical wireless sensor mote. In this paper, we explore the compatibility of PDRs and mote-class wireless sensor nodes by designing a new tracking system that utilizes small PDRs as sensor nodes. The system consists of several PDR sensor nodes to detect the presence and position of a moving target, a base-station node to collect the detecting data of sensor nodes, and an algorithm to estimate the location of the target from aggregated data. Our experiments which were taken place outdoor (real environment) show that the proposed system performed well to track moving objects with the average deviation error down to 0.18m.

Published in:

Information Networking (ICOIN), 2011 International Conference on

Date of Conference:

26-28 Jan. 2011

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