Presentation Information
[WP-B-12]Adaptive Post-Equalizer with Extended Kalman Filtering for Equalization-Enhanced Phase Noise Compensation
○Jiahao Chen, Yaojun Qiao (Beijing Univ. of Posts and Telecommunications)
Keywords:
Transmission impairments and their mitigations,Digital signal processing algorithms for optical communications,Implementation of digital signal processing subsystems for optical communications
We propose a two-stage equalization algorithm based on extended Kalman filter and adaptive filter (EKF-AF) for equalization-enhanced phase noise mitigation in high-speed coherent systems, achieving up to 0.5-dB optical signal-to-noise ratio improvement over conventional algorithms.