Title :
Phase entropy-based Frequency Offset Estimation for coherent optical QAM systems
Author :
Dris, S. ; Lazarou, I. ; Bakopoulos, P. ; Avramopoulos, H.
Author_Institution :
Sch. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Athens, Greece
Abstract :
We investigate a novel approach to Frequency Offset Estimation for coherent optical QAM systems, based on the received symbol phase entropy. It is highly accurate, non-data-aided and oblivious to modulation format.
Keywords :
optical fibre communication; quadrature amplitude modulation; coherent optical QAM systems; frequency offset estimation; modulation format; received symbol phase entropy; Entropy; Frequency estimation; Optical noise; Optical transmitters; Phase shift keying; Quadrature amplitude modulation; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
