Machine Learning Assisted Clock Recovery for Pulse Position Modulation in Free Space Optical Communication

Shenmao Zhang,Xiaoxiao Dai,Xueyuan Ao,Zhongzhong Wang,Linsheng Zhong, Jinxin Zuo,Tianlu Gao,Jun Zhang,Qi Yang,Deming Liu

international conference on information photonics（2020）

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摘要

We apply a multi-layer perceptron as the timing error detector for PPM signal clock recovery. Simulation results show that the proposed MLP-based CDR method can improve the accuracy of phase detection with large sampling frequency offset over 1200 ppm.

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关键词

assisted clock recovery,pulse position modulation,free space optical communication,multilayer perceptron,timing error detector,PPM signal clock recovery,MLP-based CDR method

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