Title :
On the reverse concatenated coded-modulation for ultra-high-speed optical transport
Author :
Djordjevic, Ivan B. ; Xu, Lei ; Wang, Ting
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, AZ, USA
Abstract :
We propose reverse concatenated code with inner BCH code and outer LDPC code. BCH decoder is based on MAP-decoding that provides high-accuracy-reliabilities for suboptimum-LDPC-decoder, leading to performance comparable to long-girth-12-LDPC codes, but with lower decoder-complexity.
Keywords :
BCH codes; concatenated codes; error statistics; maximum likelihood estimation; parity check codes; wavelength division multiplexing; BCH decoder; BER performance; DWDM networks; MAP-decoding; concatenated coded-modulation; dense wavelength division multiplexing networks; long-girth-12-LDPC codes; maximum a posteriori probability decoding algorithm; reverse concatenated code; suboptimum-LDPC-decoder; ultrahigh-speed optical transport; Adaptive optics; Decoding; High speed optical techniques; Optical fibers; Optical polarization; Parity check codes;
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