Carrier Phase Recovery for Optical Coherent M -QAM Communication Systems Using Harmonic Decomposition-based Maximum Loglikelihood Estimators
作者： Trung-Hien Nguyen , Michel Joindot , Pascal Scalart , Mathilde Gay , Laurent Bramerie
DOI: 10.1364/SPPCOM.2015.SPT4D.3
关键词: Laser linewidth 、 Carrier recovery 、 Feed forward 、 Square (algebra) 、 Estimator 、 Phase noise 、 Algorithm 、 Harmonic 、 Modulation 、 Mathematics 、 Electronic engineering
摘要: A novel feedforward M-QAM carrier phase recovery is presented and validated with both square cross up to 128-QAM. The proposed method outperforms the VVMPE-ML reduced computational effort improved linewidth tolerance.
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