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http://dx.doi.org/10.5573/ieie.2016.53.2.133

Target Localization Using Geometry of Detected Sensors in Distributed Sensor Network  

Ryu, Chang Soo (Div. of Electronics & Information Engineering, Yeung nam University College)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.53, no.2, 2016 , pp. 133-140 More about this Journal
Abstract
In active sonar field, a target detection and localization based on a distributed sensor network has been much studied for the underwater surveillance of the coast. Zhou et al. proposed a target localization method utilizing the positions of target-detected sensors in distributed sensor network which consists of detection-only sensors. In contrast with a conventional method, Zhou's method dose not require to estimate the propagation model parameters of detection signal. Also it needs the lower computational complexity, and to transmit less data between network nodes. However, it has large target localization error. So it has been modified for reducing localization error by Ryu. Modified Zhou's method has better estimation performance than Zhou's method, but still relatively large estimation error. In this paper, a target localization method based on modified Zhou's method is proposed for reducing the localization error. The proposed method utilizes the geometry of the positions of target-detected sensors and a line that represents the bearing of target, a line can be found by modified Zhou's method. This paper shows that the proposed method has better target position estimation performance than Zhou's and modified Zhou's method by computer simulations.
Keywords
Active Sonar; Target Localization; Target Detection; Distributed Sensor Network; Line Fitting;
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Times Cited By KSCI : 1  (Citation Analysis)
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