Title :
Reduced-Complexity Decoding Algorithm for LDPC Codes for Practical Circuit Implementation in Optical Communications
Author :
Miyata, Yoshikuni ; Sakai, Rui ; Matsumoto, Wataru ; Yoshida, Hideo ; Mizuochi, Takashi
Author_Institution :
Mitsubishi Electr. Corp., Kamakura
Abstract :
For superior, practical decoding of LDPC based FEC, a cyclic approximated delta-minimum algorithm is proposed. Simulation shows that 3-bit soft-decision decoding provides a required Q of 6.2 dB at 10-6 BER with only 16 iterations.
Keywords :
decoding; error statistics; forward error correction; optical fibre communication; parity check codes; 3-bit soft-decision decoding; FEC; LDPC codes; cyclic approximated delta-minimum algorithm; optical communications; practical circuit implementation; reduced-complexity decoding algorithm; Bit error rate; Circuits; Delay; Error correction; Forward error correction; Iterative decoding; Large scale integration; Optical fiber communication; Parity check codes; Redundancy;
Conference_Titel :
Optical Fiber Communication and the National Fiber Optic Engineers Conference, 2007. OFC/NFOEC 2007. Conference on
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-831-4
DOI :
10.1109/OFC.2007.4348865
