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An Accurate and Self-correcting Localization Algorithm for UWSN Using Anchor Nodes of Varying Communication Range

  • Manas Kumar Mishra
  • Neha Ojha
  • M. M. Gore
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6646)

Abstract

Precise event detection in underwater wireless sensor network requires the position information of the detecting sensor nodes. Manual positioning of nodes in such a network is highly infeasible. The popular dive and rise method used in underwater sensor network contributes to the inaccuracies in position estimation by localization methods. Therefore, localization techniques need to have the provision for error correction to improve the accuracy of position estimations. This paper presents a range-free localization algorithm using dive and rise with anchor nodes of varying communication range. The proposed approach uses different error correction methods based on geometric principles to improve upon the accuracy. The simulation results show the effectiveness of the proposed error correction methods on the estimated positions.

Keywords

Global Position System Sensor Network Sensor Node Wireless Sensor Network Communication Range 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Manas Kumar Mishra
    • 1
  • Neha Ojha
    • 2
  • M. M. Gore
    • 1
  1. 1.Department of Computer Science & EngineeringMotilal Nehru National Institute of TechnologyAllahabadIndia
  2. 2.Wipro TechnologiesBangaloreIndia

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