Title :
Progress in soft-decision FEC
Author :
Mizuochi, Takashi ; Miyata, Yoshikuni ; Kubo, Kazuo ; Sugihara, Takashi ; Onohara, Kiyoshi ; Yoshida, Hideo
Author_Institution :
Inf. Technol. R&D Center, Mitsubishi Electr. Corp., Kamakura, Japan
Abstract :
We discuss the practical implementation of LDPC codes in soft-decision FEC for 100 Gb/s digital coherent systems. The question of the definition of net coding gain for differential QPSK used to avoid cycle slip is raised.
Keywords :
forward error correction; optical communication; parity check codes; quadrature phase shift keying; LDPC code; bit rate 100 Gbit/s; differential QPSK; digital coherent system; forward error correction; net coding gain; soft decision FEC; Adaptive optics; Application specific integrated circuits; Decoding; Forward error correction; Parity check codes; Phase shift keying; Redundancy;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4577-0213-6
