Estimation of Multipath Channels With Long Impulse Response at Low SNR via an MCMC Method

@article{Rabaste2007EstimationOM,
  title={Estimation of Multipath Channels With Long Impulse Response at Low SNR via an MCMC Method},
  author={Olivier Rabaste and Thierry Chonavel},
  journal={IEEE Transactions on Signal Processing},
  year={2007},
  volume={55},
  pages={1312-1325}
}
This paper addresses the estimation of multipath channels with long impulse response at low signal-to-noise ratio (SNR). The channel sparseness impulse response is modeled by means of a Bernoulli-Gaussian process. Then, the optimization of the resulting posterior distribution resorts to Monte Carlo Markov chain (MCMC) simulation techniques. Special attention is devoted to noise correlation involved by matched filtering: Taking this correlation into account in the algorithm derivation leads to… CONTINUE READING
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