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Distributed single target tracking in underwater wireless sensor networks

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4 Author(s)
Chang Ho Yu ; Dept. of Intell. Mech. Eng., Pusan Nat. Univ., Busan ; Kang Hoon Lee ; Jae Weon Choi ; Young Bong Seo

The growing interests in underwater wireless sensor networks(UWSNs) for a wide variety of purposes from Tsunami monitoring to commercial oilfield exploration projects have been encouraging. This paper deals with the problem of accurately tracking a single target moving through UWSNs employing acoustic sensors. This paper addresses the issues of estimating the target position, improving energy efficiency by applying a Kalman filter in a distributed architecture. Each underwater wireless sensor nodes composing the UWSNs is battery-powered, so the energy conservation problem is a critical issue. This paper provides an algorithm which increases energy efficiency of each sensor through a wake-up/sleep(WuS) and a valid measurement selecting(VMS) scheme. Simulation results illustrate the performance of the tracking filter according to the sensor node displacement and sensor detecting area.

Published in:

SICE Annual Conference, 2008

Date of Conference:

20-22 Aug. 2008