An Energy-Efficient Localization Scheme with Specified Lower Bound for Wireless Sensor Networks

  • Authors:
  • Haoran Feng;Ruixi Yuan;Chundi Mu

  • Affiliations:
  • Tsinghua University, China;Tsinghua University, China;Tsinghua University, China

  • Venue:
  • CIT '06 Proceedings of the Sixth IEEE International Conference on Computer and Information Technology
  • Year:
  • 2006

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Abstract

Localization is a basic and critical requirement for wireless sensor network applications, e.g. target tracking, monitoring and intrusion detection. In the received signal strength (RSS) based localization method; the Cramer-Rao Lower Bound (CRLB) for the estimation precision can be calculated given the locations of beacons and parameters of signal propagation. We propose a sensor deployment scheme that optimizes the overall energy consumption of the sensor network with a pre-specified CRLB accuracy for a large scale RSS-based localization system.