A fast h-arq acknowledgement generation method using a...

H - Electricity – 03 – M

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H03M 13/00 (2006.01) H03M 13/29 (2006.01) H04L 1/00 (2006.01) H04L 1/18 (2006.01)

Patent

CA 2490802

A stopping rule for Turbo Decoding (14) is applied for both good and bad code blocks in a received data stream. The iteration (26) either converges or diverges. Rule testing may be used for H-ARQ acknowledgement generation: if the iteration converges, an ACK (28) is generated and if the iteration diverges, a NACK (32) is generated. Optionally, the maximum number of decoding iterations (34) may dynamically selected based on MCS levels.

L'invention concerne une règle d'interruption pour décodage turbo (14) appliquée à la fois pour les blocs de codage corrects et incorrects dans un flux de données reçues. L'itération (26) est convergente ou divergente. L'établissement d'accusé de réception H-ARQ peut reposer sur l'essai de la règle: en cas d'itération convergente, un accusé de réception ACK (28) est établi, et en cas d'itération divergente un non-accusé de réception NACK (32) est établi. Eventuellement, le nombre maximum d'itérations de décodage (34) peut être sélectionné de façon dynamique en fonction des niveaux de MCS.

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