Journal
IEEE COMMUNICATIONS MAGAZINE
Volume 48, Issue 3, Pages S48-S55Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/MCOM.2010.5434378
Keywords
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Funding
- National Institute of Information and Communications Technology (NICT) of Japan
- Ministry of Internal Affairs and Communications (MIC) of Japan
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The role of forward error correction has become of critical importance in fiber optic communications, as backbone networks increase in speed to 40 and 100 Gb/s, particularly as poor optical-signal-to-noise environments are encountered. Such environments become more commonplace in higher-speed environments, as more optical amplifiers are deployed in networks. Many generations of FEC have been implemented, including block codes and concatenated codes. Developers now have options to consider hard-decision and soft-decision codes. This article describes the advantages of each type in particular transmission environments.
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