Range-free mobile node localization using static anchor

  • Authors:
  • Kaushik Mondal;Partha Sarathi Mandal

  • Affiliations:
  • Department of Mathematics, Indian Institute of Technology, Guwahati, India;Department of Mathematics, Indian Institute of Technology, Guwahati, India

  • Venue:
  • WASA'13 Proceedings of the 8th international conference on Wireless Algorithms, Systems, and Applications
  • Year:
  • 2013

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Abstract

In this paper we have proposed a deterministic, range-free, distributed localization algorithm for mobile sensor nodes with static anchors. Mobile node calculates its approximate line of movement and corresponding position based on received beacons from two different anchors. The positional error can be further reduced by updating the approximate line of movement on receiving beacons from more anchors. We also have incorporated irregular radio propagation in our model. We have compared performance of our algorithm with existing localization algorithms. Simulation results show 80% improvement in performance of our proposed algorithm over the existing algorithms in terms of positional accuracy.