| 摘要 |
The invention concerns a data transmission device comprising a turbo coder ( 22 ) comprising an interleaver operating on two interleaving blocks and means ( 26 ) for producing symbols from said codes (D, Y 1 , Y 2 ) supplied by the turbo coder The device comprises means ( 28 ) for inserting a synchronising sequence into said symbols at a site having a predetermined relationship position relative to the symbols produced with the codes associated with a common interleaving block.
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