Title :
Carrier frequency offset estimation based on circular harmonic expansion for optical coherent M-QAM communication systems
Author :
Trung-Hien Nguyen;Michel Joindot;Mathilde Gay;Laurent Bramerie;Jean-Claude Simon;Pascal Scalart;Olivier Sentieys
Author_Institution :
FOTON Laboratory, CNRS, University of Rennes 1, ENSSAT, F-22305 Lannion, France
fDate :
6/1/2015 12:00:00 AM
Abstract :
Circular harmonic expansion-based carrier frequency offset estimation is investigated for optical M-QAM communication systems. The proposed method, combined with a gradient-descent algorithm, shows better performance compared to already proposed VVMFOE and 4th power methods.
Keywords :
Harmonic analysis
Conference_Titel :
Opto-Electronics and Communications Conference (OECC), 2015
Electronic_ISBN :
2166-8892
DOI :
10.1109/OECC.2015.7340175
