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Blind Channel Estimation for Power-line Communications by a Kohonen Neural Network

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4 Author(s)

In this paper a new technique is proposed for blind channel identification and equalization in orthogonal frequency-division multiplexing (OFDM) communication over power-lines. The proposed scheme is based on a competitive neural network which utilizes the frequency domain data in the receiver performing a nonlinear decision-directed equalization. This method allows for blind tracking of the time variant channel response and is robust to impulsive noise and non-linearities. Numerical simulations for a realistic indoor power-line show the potentiality of the proposed estimation procedure.

Published in:

Power Line Communications and Its Applications, 2007. ISPLC '07. IEEE International Symposium on

Date of Conference:

26-28 March 2007

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