A novel ToA location algorithm using LoS range estimation for NLoS environments

@article{Venkatraman2004ANT,
  title={A novel ToA location algorithm using LoS range estimation for NLoS environments},
  author={Saipradeep Venkatraman and James Caffery and Heung-Ryeol You},
  journal={IEEE Transactions on Vehicular Technology},
  year={2004},
  volume={53},
  pages={1515-1524}
}
One of the main problems facing accurate location in wireless communication systems is nonline-of-sight (NLoS) propagation. In this paper, we propose a novel location technique that estimates the true, or line-of-sight (LoS), ranges based on NLoS range measurements. This approach utilizes a constrained nonlinear optimization approach, when range measurements are available from three base stations (BSs) only. Bounds on the NLoS error and the relationship between the true ranges are extracted… CONTINUE READING
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