GPS positioning in a multipath environment

@article{Soubielle2002GPSPI,
  title={GPS positioning in a multipath environment},
  author={J{\'e}r{\^o}me Soubielle and Inbar Fijalkow and Patrick Duvaut and Alain Bibaut},
  journal={IEEE Trans. Signal Processing},
  year={2002},
  volume={50},
  pages={141-150}
}
We address the problem of GPS signal delay estimation in a multipath environment with a low-complexity constraint. After recalling the usual early–late estimator and its bias in a multipath propagation context, we study the maximum-likelihood estimator (MLE) based on a signal model including the parametric contribution of reflected components. It results in an efficient algorithm using the existing architecture, which is also very simple and cheap to implement. Simulations show that the results… CONTINUE READING
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