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Constraint-Based Distance Estimation in Ad-Hoc Wireless Sensor Networks

  • Urs Bischoff
  • Martin Strohbach
  • Mike Hazas
  • Gerd Kortuem
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3868)

Abstract

We propose a lightweight localisation approach for supporting distance and range queries in ad hoc wireless sensor networks. In contrast to most previous localisation approaches we use a distance graph as spatial representation where edges between nodes are labelled with distance constraints. This approach has been carefully designed to satisfy the requirements of a concrete application scenario with respect to the spatial queries that need to be supported, the required accuracy of location information, and the capabilities of the target hardware. We show that this approach satisfies the accuracy requirements of the example application using simulations. We describe the implementation of the algorithms on wireless sensor nodes.

Keywords

Sensor Node Wireless Sensor Network Range Query Distance Error Anchor Node 
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 2006

Authors and Affiliations

  • Urs Bischoff
    • 1
  • Martin Strohbach
    • 1
  • Mike Hazas
    • 1
  • Gerd Kortuem
    • 1
  1. 1.Lancaster UniversityLancasterUK

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