Intra-row permutation for turbocode

Details Intra-row permutation for turbocode Intra-row permutation for turbocode

H - Electricity

03

M

H03M 13/27 (2006.01) G06F 11/00 (2006.01) H03M 13/00 (2006.01) H03M 13/03 (2006.01) H03M 13/29 (2006.01) H03M 13/45 (2006.01) H04L 1/00 (2006.01)

Patent

CA 2366581

An interleaves in which a frame of data to be interleaved is stored in at least a portion of an array having R rows and C columns, the portion having N r(1) rows and N c(1) columns that satisfy the inequality N r(1) × N c(1-1) < L < N r(1) × N c(1) where N c (1) is a prime number and N c(1-1) is the highest prime number less than N c(1). The elements of each row are permuted according to a predetermined mathematical relationship, and the rows are permuted according to predetermined mapping.

Un entrelaceur dans lequel une trame de données à être entrelacée est mémorisée en au moins une portion d'une matrice à R rangées et C colonnes, la portion présentant Nr<(1)> rangées et Nc<(1)> colonnes qui vérifie l'inéquation: Nr<(1)> x Nc<(1-1)> < L < Nr<(1)> x Nc<(1)> dans laquelle Nc<(1)> est un nombre premier et Nc<(1-1)> est le nombre premier le plus élevé inférieur à Nc<(1)>. Les éléments de chaque rangée sont permutés selon une relation mathématique prédéterminée, et les rangées sont permutées selon une application prédéterminée.

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