Article | REF: E7079 V1

Optical communications: introduction and performance assessment

Author: Sébastien BIGO

Publication date: July 10, 2014, Review date: June 16, 2017

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6. Error-correcting codes

The guarantee required by operators of error rates as low as 10 –12 and 10 –15 , depending on the age of the system, is a source of many challenges. Fortunately, powerful error correction algorithms can be used to meet these stringent specifications . Such codes are already ubiquitous in all sectors of the telecommunications world, but have only been available at very high bitrates for a few years. They consist of supplementing binary information with additional bits, calculated from the information, and transmitting them along with the information. The additional bits simply replicate all or part of the useful...

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Error-correcting codes