Title :
Measurement of the phase noise tracking capability of a digital coherent receiver
Author :
Sjödin, Martin ; Wymeersch, Henk ; Johannisson, Pontus ; Karlsson, Magnus ; Andrekson, Peter A.
Author_Institution :
Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Goteborg, Sweden
Abstract :
We present a method to evaluate the phase noise tracking performance of a digital coherent receiver. Measurements of the phase error variance of QPSK at different symbol rates are presented for two different algorithms.
Keywords :
noise measurement; optical receivers; phase noise; quadrature phase shift keying; QPSK; digital coherent receiver; phase error measurement; phase noise tracking; Optical noise; Phase estimation; Phase measurement; Phase shift keying; Receivers; Signal to noise ratio; Wiener filter;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
