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Total Least Squares Method for Robust Source Localization in Sensor Networks Using TDOA Measurements

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  • Yang Weng
  • Wendong Xiao
  • Lihua Xie

Abstract

The TDOA-based source localization problem in sensor networks is considered with sensor node location uncertainty. A total least squares (TLSs) algorithm is developed by a linear closed-form solution for this problem, and the uncertainty of the sensor location is formulated as a perturbation. The sensitivity of the TLS solution is also analyzed. Simulation results show its improved performance against the classic least squares approaches.

Suggested Citation

  • Yang Weng & Wendong Xiao & Lihua Xie, 2011. "Total Least Squares Method for Robust Source Localization in Sensor Networks Using TDOA Measurements," International Journal of Distributed Sensor Networks, , vol. 7(1), pages 172902-1729, August.
    • Handle: RePEc:sae:intdis:v:7:y:2011:i:1:p:172902
    DOI: 10.1155/2011/172902
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