Groupe Des Ecoles Des Telecommunications (enst Bretagne)

France Telecom

Christophe Jego

Patrick Adde

The invention relates to a method of decoding a matrix built from concatenated codes, corresponding to at least two elementary codes, with uniform interleaving, the matrix having nlines, ncolumns and n*nsymbols, the method comprising processing all the lines- and columns-vectors of the matrix by symbol groups, the processing comprising a first decoding to simultaneously process all the symbols of a group of symbols according to their lines and then a second decoding to simultaneously process all the symbols of said group of symbols according to their columns, the symbol groups being thus successively processed in lines and in columns, or conversely.

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Brest, France

Christophe Jego