Device and method for inserting previously known bits in...

Details Device and method for inserting previously known bits in... Device and method for inserting previously known bits in...

H - Electricity

03

M

H03M 13/00 (2006.01) H03M 13/03 (2006.01)

Patent

CA 2306367

A turbo coding device includes a bit inserter for inserting at least one specific bit at a last position of a data bit stream being input to a first constituent encoder, and inserting at least one specific bit at a last position of an interleaved data bit stream being input to a second constituent encoder, the first constituent encoder for encoding the specific bit inserted data bits to generate first parity symbols; an interleaver for interleaving the specific bit inserted data bits; the second constituent encoder for encoding the interleaved data bits to generate second parity symbols; and a multiplexer for multiplexing outputs of the bit inserter, the first constituent encoder and the second constituent encoder.

Un dispositif de turbocodage comprend une unité d'insertion de bits destinée à insérer au moins un bit spécifique au niveau d'une dernière position d'un train binaire de données entrées dans un premier codeur constitutif, et destinée à insérer au moins un bit spécifique en une dernière position d'un train binaire de données entrelacées entré dans un second codeur constitutif; le premier codeur constitutif étant destiné à coder les bits de données dans lesquelles est inséré un bit spécifique afin de produire des premiers symboles de parité; une unité d'entrelacement étant destinée à entrelacer les bits de données dans lesquelles est inséré le bit spécifique; le second codeur constitutif étant destiné à coder les bits de données entrelacées afin de produire des seconds symboles de parité; et un multiplexeur destiné à multiplexer les sorties de l'unité d'insertion de bits, le premier codeur constitutif et le second codeur constitutif.

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