[WP-B] Poster Session 2

[WP-B-12] Adaptive Post-Equalizer with Extended Kalman Filtering for Equalization-Enhanced Phase Noise Compensation

○Jiahao Chen¹, Yaojun Qiao¹ (1.Beijing University 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.