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Conferences > NFOEC > 2012 > JW2A > JW2A.59

A Low-Complexity Sliding-Window Turbo Equalizer for Nonlinearity Compensation

Chunjie Duan, Kieran Parsons, Toshiaki Koike-Akino, Ramesh Annavajjala, Keisuke Kojima, Tsuyoshi Yoshida, Takashi Sugihara, and Takashi Mizuochi

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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.

© 2012 Optical Society of America

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