Code construction for irregular shortened ldpc codes with...

Details Code construction for irregular shortened ldpc codes with... Code construction for irregular shortened ldpc codes with...

H - Electricity

03

M

H03M 13/11 (2006.01) H03M 13/35 (2006.01)

Patent

CA 2564395

A method for interlacing columns of different weights is proposed for a parity- check matrix H (Figure 2) that results in good performing LDPC codes shortened or unshortened. Matrix H comprises a section H1 and a section H2, and wherein H1 has a plurality of different column weights and comprises a plurality of sub-matrices where columns of at least one weight are substantially interlaced between the sub-matrices.

L'invention concerne un procédé d'entrelacement de colonnes de poids différents pour une matrice H de contrôle de parité, permettant d'obtenir des codes LDPC raccourcis ou non raccourcis de bonne performance. La matrice H comprend une section H1 et une section H2, dans laquelle H1 présente une pluralité de poids de colonnes différents et comprend une pluralité de sous-matrices où des colonnes d'au moins un poids sont sensiblement entrelacées entre les sous-matrices.

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