Bit swapping for different interleaving depths

Details Bit swapping for different interleaving depths Bit swapping for different interleaving depths

H - Electricity

04

L

H04L 1/00 (2006.01) H04L 27/18 (2006.01)

Patent

CA 2525883

The invention relates to a method, a system and a computer program product for bit swapping, wherein periodically I successive bits of a data packet that comprises K bits are mapped onto interleaved bit positions in I different bursts, respectively, according to a predefined interleaving scheme and a selected interleaving depth I, comprising the step of swapping the value of at least one bit that is associated with a respective first bit position m in the data packet with the value of a bit that is associated with a respective second bit position n in the data packet, wherein the respective second bit position n is selected such that n > m holds and that the difference n-m is divisible by I.

La présente invention se rapporte à un procédé, un système et un produit logiciel informatique permettant le transfert de bits, I bits successifs d'un paquet de données comportant K bits étant périodiquement transférés en I rafales respectives différentes vers des positions de bits entrelacées, selon un procédé d'entrelacement prédéfini et à une profondeur d'entrelacement I choisie, comprenant une étape d'échange de la valeur d'au moins un bit associé à une première position respective de bit m dans le paquet de données, et de la valeur d'un bit associé à une deuxième position respective de bit n dans le paquet de données, la deuxième position respective de bit n étant choisie de manière à vérifier la relation n > m et que la différence n-m soit divisible par I.

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