Title :
Joint compensation of phase and amplitude noise using extended Kalman filter in coherent QAM systems
Author :
Pakala, Lalitha ; Schmauss, Bernhard
Author_Institution :
Grad. Study Group "Fiber Opt. Transm. & Sensing" (FiTS), Univ. of Erlangen-Nuremberg, Erlangen, Germany
Abstract :
We propose and numerically investigate an optimal carrier phase and amplitude noise estimation (CPANE) algorithm using extended Kalman filter (EKF) for effective mitigation of linear and nonlinear phase noise with simultaneous suppression of amplified spontaneous emission (ASE) noise.
Keywords :
Kalman filters; phase noise; quadrature amplitude modulation; QAM systems; amplified spontaneous emission noise; amplitude noise estimation; effective mitigation; extended Kalman filter; nonlinear phase noise; phase noise estimation; Bit error rate; Delays; Kalman filters; Optical noise; Phase noise; Signal to noise ratio;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964165
