Range queries for mobile objects in wireless sensor networks

  • Authors:
  • Goce Trajcevski;Zachary Bischof;Peter Scheuermann

  • Affiliations:
  • Northwestern University, Evanston, II;Northwestern University, Evanston, II;Northwestern University, Evanston, II

  • Venue:
  • Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
  • Year:
  • 2009

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Abstract

This work addresses the problem of processing spatio-temporal range queries when the mobile entities are tracked in Wireless Sensor Network (WSN). We demonstrate that in many realistic settings, depending on the parameters of a given range query, the tracking of a particular moving object may not be needed past certain thresholds in space and/or time. We also propose and analyze distributed data-reduction techniques for the purpose of reducing the energy consumption due to communication.