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Channel coding for power line communication based on oversampled filter banks

Liu, C. and Weiss, S. and Redif, S. and Cooper, T. and Lampe, L. and Mcwhirter, J. (2005) Channel coding for power line communication based on oversampled filter banks. In: IEEE International Symposium on Power-Line Communications and its Applications, 2005-04-06 - 2005-04-08.

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Abstract

Oversampled filter banks (OSFB) can be applied as channel coding and have shown benefits in correlated and impulsive noise. Therefore, in this paper, we consider such channel coders for a power line communications scenario, where such conditions create a hostile channel environment. The proposed channel coder assumes the knowledge of the noise covariance matrix. The transmission is accomplished over the N weakest eigenmodes of the noise, which are identified by means of a broadband eigenvalue decomposition. We demonstrate by simulations that this approach can lead to an enhancement of the SNR in the receiver and to improved performance over standard channel coding approaches.