Title :
Operating points for low-density parity-check codes in on-off keyed fiber-optic transmission systems
Author :
Smith, Benjamin P. ; Kschischang, Frank R.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON
Abstract :
We consider the rate/distance tradeoff for LDPC-coded OOK systems under soft-decision iterative decoding. Below 6000 km, EXIT-chart optimized irregular LDPC codes outperform systems that use a nonlinearity-reducing constrained inner code.
Keywords :
amplitude shift keying; iterative decoding; optical fibre communication; parity check codes; LDPC-coded OOK system; low-density parity-check code; on-off keyed fiber-optic transmission system; soft-decision iterative decoding; Decoding; Dispersion; Error analysis; Fiber nonlinear optics; Optical attenuators; Optical fiber communication; Optical pulse shaping; Optical receivers; Optical signal processing; Parity check codes; (060.2330) Fiber optics communications; (060.4510) Optical communications;
Conference_Titel :
Optical Fiber Communication - incudes post deadline papers, 2009. OFC 2009. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2606-5
Electronic_ISBN :
978-1-55752-865-0
