Durcek, ViktorKuba, MichalDado, Milan2020-10-192020-10-1920161339-5130http://drepo.uniza.sk/handle/hdluniza/317In this paper, an overview of various types of error-correcting codes is present. Three generations of forward error correction methods used in optical communication systems are listed and described. Forward error correction schemes proposed for use in future high-speed optical networks can be found in the third generation of codes.enhttp://creativecommons.org/licenses/by/4.0/FECchannel codingLDPCTurbo codesArticlehttps://doi.org/10.26552/tac.C.2016.2.1