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Design of overcomplete expansions for channel coding

Weiss, S. (2004) Design of overcomplete expansions for channel coding. In: 6th International Conference on Mathematics in Signal Processing, 2004-12-14 - 2004-12-16.

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The redundancy afforded by overcomplete expansions have been recently been considered for channel coding. In this paper, we utilise this approach in order to propose a channel coder design to for a correlated additive Gaussian noise channel, of which the noise covariance matrix is assumed to be known. We demonstrate that this approach can lead to a significant reduction of the noise interference by exploiting both the correlation of the channel and the redundancy of the filter banks. Simulation results providing some insight into these mechanisms are provided.