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Sensor Nodes Selecting Schemes-based Distributed Target Tracking Filter for Underwater Wireless Sensor Networks

센서노드 선정기법 기반 수중 무선센서망 분산형 표적추적필터

  • Yu, Chang Ho (Department of Intelligent Mechanical Engineering, Pusan National University) ;
  • Choi, Jae Weon (School of Mechanical Engineering, Pusan National University)
  • Received : 2013.05.15
  • Accepted : 2013.06.30
  • Published : 2013.08.01

Abstract

This paper deals with the problem of accurately tracking a single target moving through UWSNs (Underwater Wireless Sensor Networks) by employing underwater acoustic sensors. This paper addresses the issues of estimating the states of the target, and 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 the energy efficiency of each sensor node through WuS (Waked-up/Sleeping) and VM (Valid Measurement) selecting schemes. Simulation results illustrate the performance of the distributed tracking filter.

Keywords

References

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