We investigate the carrier phase recovery using extended Kalman filter in optical filter bank multicarrier offset-QAM systems. The proposed method is of low complexity and its performance is comparable to the state-of-the-art BPS method.
Nguyen, T.-H., Rottenberg, F., Gorza, S.-P., Louveaux, J., & Horlin, F. (2017). Extended Kalman filter for carrier phase recovery in optical filter bank multicarrier offset QAM systems. Proceedings of the 2017 Optical Fiber Communications Conference and Exhibition. Published. Optical Fiber Communications Conference and Exhibition (OFC), Los Angeles, CA, USA. https://hdl.handle.net/2078.5/226851