[Formats de signal et correction d'erreur dans les transmissions optiques]
Nous présentons ici les avantages et les inconvénients des principaux formats de modulation optique. Pour accroı̂tre la capacité et/ou la distance de transmission, les modulations habituelles en intensité cèdent progressivement la place à des formats plus complexes, modulés à la fois en intensité et en phase. De plus, différents types de codage correcteur d'erreurs appliqués aux systèmes de transmission optique sont décrits et leurs performances comparées.
We review the advantages and drawbacks of the main optical modulation formats, comparing the standard intensity-modulated ones to more sophisticated phase and intensity modulated formats for high capacity or long distance transmission. Furthermore, different Forward Error Correction solutions, from standard Reed Solomon (RS) to block turbo codes, are presented and their impact on optical transmission system design is discussed.
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Mot clés : Formats de modulation, Modulation de phase, Duobinaire, Code correcteur d'erreurs, Codes RS, Codes BCH, Codes concaténés, Turbo codes, Transmission optique
Omar Ait Sab 1 ; Hans Bissessur 1
@article{CRPHYS_2003__4_1_95_0, author = {Omar Ait Sab and Hans Bissessur}, title = {Signal formats and error correction in optical transmission}, journal = {Comptes Rendus. Physique}, pages = {95--104}, publisher = {Elsevier}, volume = {4}, number = {1}, year = {2003}, doi = {10.1016/S1631-0705(02)00006-3}, language = {en}, }
Omar Ait Sab; Hans Bissessur. Signal formats and error correction in optical transmission. Comptes Rendus. Physique, Volume 4 (2003) no. 1, pp. 95-104. doi : 10.1016/S1631-0705(02)00006-3. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/S1631-0705(02)00006-3/
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