Turbo interleaving apparatus and method

Details Turbo interleaving apparatus and method Turbo interleaving apparatus and method

H - Electricity

03

M

H03M 13/27 (2006.01) H03M 13/29 (2006.01)

Patent

CA 2337918

A 2-dimensional interleaving method is disclosed. The method comprises dividing a frame of input information bits into a plurality of groups and sequentially storing the divided groups in a memory; permuting the information bits of the groups according to a given rule and shifting an information bit existing at the last position of the last group to a position preceding the last position; and selecting the groups according to a predetermined order, and selecting one of the information bits in the selected group.

L'invention concerne un procédé d'entrelacement bidimensionnel, consistant à diviser en plusieurs groupes une trame de bits d'information d'entrée, à stocker de manière séquentielle les groupes divisés, dans une mémoire, à permuter les bits d'information des groupes en fonction d'une règle donnée, à décaler un bit d'information existant au niveau de la dernière position du dernier groupe, pour le mettre dans une position précédant la dernière position, et enfin à choisir les groupes en fonction d'un ordre déterminé et à choisir l'un des bits d'information dans le groupe choisi.

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