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Iterative decoding for serial concatenation with wavelet encoding

An iterative decoder for serial concatenations that have a wavelet encoder as the inner encoder is evaluated in this paper. In particular, a new approach for soft-input soft- output wavelet decoder is proposed, which consider an optimal soft demapping scheme recently proposed for wavelet-coded communication systems. Preliminary results of performance evaluation are presented, where a concatenation with a convolutional encoder over a flat fading Rayleigh channel is investigated. These results show the effectiveness of the proposed decoding technique and suggest that its is potentially useful as a new means to increase the performance benefits produced by wavelet coding in flat fading conditions over wireless channels.