Improved line-of-sight/non-line-of-sight classification methods for pulsed ultrawideband localisation

  title={Improved line-of-sight/non-line-of-sight classification methods for pulsed ultrawideband localisation},
  author={Arash Abbasi and Huaping Liu},
  journal={IET Communications},
Classification of line-of-sight (LOS) or non-LOS (NLOS) propagation is critical for most pulsed ultrawideband localisation systems. In this letter, first, the authors propose a two-dimensional (2D) LOS/NLOS classification scheme that uses skewness of the channel impulse/pulse response, which has not been used by existing work. The log-likelihood ratio of the 2D LOS/NLOS classification is used to determine the weights for localisation. Then, the authors derive an iterative Gauss–Newton method to… CONTINUE READING
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