MIMO equalization optimized for baud rate clock recovery in coherent 112Gbit/sec DP-QPSK metro systems

Optical Fiber Technology（2015）

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摘要

•MIMO equalization architecture for baud rate CR in DP-QPSK metro systems is proposed.•The proposed architecture avoids interaction between adaptive MIMO and CR loops.•M&M timing function is extended to cope with controlled ISI induced signals.•The proposed technique maintains similar adaptive MIMO equalizer performance.

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关键词

Coherent communication,Digital signal processing,Maximum likelihood sequence estimation (MLSE),Symbol spaced equalization,Adaptive MIMO equalization,Baud rate clock recovery

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