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Optimal decoding of linear codes for minimizing symbol error rate (Corresp.)

L.R. Bahl, John Cocke, F. Jelinek, Josef Raviv

IEEE Transactions on Information Theory, 1974

5,204 citations

Abstract

The general problem of estimating the a posteriori probabilities of the states and transitions of a Markov source observed through a discrete memoryless channel is considered. The decoding of linear block and convolutional codes to minimize symbol error probability is shown to be a special case of this problem. An optimal decoding algorithm is derived.

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