Title :
A low-complexity sliding-window turbo equalizer for nonlinearity compensation
Author :
Duan, Chengwei ; Parsons, Kieran ; Koike-Akino, Toshiaki ; Annavajjala, R. ; Kojima, Keisuke ; Yoshida, Takafumi ; Sugihara, Tomoyuki ; Mizuochi, Takashi
Author_Institution :
Mitsubishi Electr. Res. Labs. (MERL), Cambridge, MA, USA
Abstract :
We propose a low-complexity turbo equalizer consisting of a sliding window MAP estimator, and a low overhead LDPC decoder. By utilizing 2nd order statistics, we obtain 2.5-4dB gain with additional improvement with turbo loop.
Keywords :
equalisers; optical fibre communication; parity check codes; 2nd order statistics; gain 2.5 dB to 4 dB; low overhead LDPC decoder; low-complexity turbo equalizer consisting; nonlinearity compensation; sliding window MAP estimator; Complexity theory; Decoding; Detectors; Dispersion; Equalizers; Parity check codes; Q-factor;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3