An improved SOVA algorithm for turbo codes over AWGN and fading channel

Abstract

We present a modified soft-output Viterbi algorithm (MSOVA) that performs as good as the a posteriori probability (APP) algorithm with a complexity similar to that of the conventional SOVA algorithm. The idea behind the MSOVA centers around reducing the inherent correlation between the intrinsic information (input to the SOVA) and extrinsic information… (More)
DOI: 10.1109/PIMRC.2004.1373873

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