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Sliding-Mode and Spring-Relaxation-Like Technique for Location Estimation in Wireless Sensor Networks

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  • HaiYan Li
  • YunAn Hu
  • Min Zhu

Abstract

In order to reduce the location estimation error in wireless sensor network (WSN), a localization algorithm is proposed combining sliding-mode and spring-relaxation-like techniques for wireless sensor networks in this paper. Our proposed method takes advantage of the spring-relaxation technique. The overall accuracy of the location estimations is improved by sliding-mode technique. The convergence of the proposed algorithm is proved using the convergence conditions of discrete sliding-mode. Moreover, it requires only a few beacons with known locations to compute the location estimations of all sensors. Simulation examples demonstrate the overall accuracy of the proposed method.

Suggested Citation

  • HaiYan Li & YunAn Hu & Min Zhu, 2012. "Sliding-Mode and Spring-Relaxation-Like Technique for Location Estimation in Wireless Sensor Networks," International Journal of Distributed Sensor Networks, , vol. 8(8), pages 283524-2835, August.
    • Handle: RePEc:sae:intdis:v:8:y:2012:i:8:p:283524
    DOI: 10.1155/2012/283524
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