| 主权项 |
1. A method for transmitting a binary data stream having a predetermined initial rate D, comprising, sequentially:
in a first preliminary step, splitting the binary data stream into m different bit streams at a rate which is m times lower than the initial rate D, where m is an integer greater than 1, the m bit streams containing different information bit sequences, in a second step, implementing a first individual error-correcting encoding of each of the m bit streams, the first individual error-correcting encoding of each bit stream comprising successively a first encoding, followed by an interleaving, followed by a second encoding, in a third step, time-interleaving the m encoded bit streams with one another in order to mix the information bits originating from different encoded bit streams, and in implementing an error-correcting encoding of the m interleaved bit streams into p different interleaved and encoded bit streams, where p is an integer greater than or equal to m, in a fourth step, modulating each of the p interleaved and encoded bit streams by means of p optical carriers with different wavelengths in order to obtain p different optical signals, in a fifth step, wavelength-division-multiplexing the p optical signals in order to obtain a multiplexed optical signal, and in a sixth step, transmitting on a optical link the multiplexed optical signal. |
