Parallel concatenated tail-biting convolutional code and...

Details Parallel concatenated tail-biting convolutional code and... Parallel concatenated tail-biting convolutional code and...

H - Electricity

03

M

H03M 7/00 (2006.01) H03M 13/29 (2006.01) H03M 13/41 (2006.01) H04L 1/00 (2006.01)

Patent

CA 2221295

A parallel concatenated convolutional coding scheme utilizes tail-biting nonrecursive systematic convolutional codes. The associated decoder iteratively utilizes circular maximum a posteriors decoding to produce hard and soft decision outputs. This encoding/decoding system results in improved error-correction performance for short messages.

Un procédé de codage à convolution parallèle concaténé utilise des codes de convolution en boucle non récursifs systématiques. Le décodeur associé procède de manière itérative selon un décodage circulaire maximal a posteriori pour générer des décisions formelles et pondérées. Ce système de codage/décodage permet d'obtenir un meilleur rendement de correction d'erreurs pour ce qui est des messages courts.

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