Adaptive algorithms for blind channel estimation in OFDM systems

@article{Doukopoulos2004AdaptiveAF,
  title={Adaptive algorithms for blind channel estimation in OFDM systems},
  author={Xenofon G. Doukopoulos and George V. Moustakides},
  journal={2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577)},
  year={2004},
  volume={4},
  pages={2377-2381 Vol.4}
}
The problem of blind adaptive channel estimation in OFDM systems is considered. Focusing on the zero padding approach, for the first time adaptive algorithms are proposed that blindly identify the impulse response of the multipath channel. In particular, we develop RLS and LMS schemes that exhibit rapid convergence combined with low computational complexity. Both versions are obtained by properly modifying the orthogonal iteration, a method used in numerical analysis for the computation of… CONTINUE READING

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