Title :
Frequency Offset Estimation in M-QAM coherent optical systems using phase entropy
Author :
Dris, Stefanos ; Lazarou, Ioannis ; Bakopoulos, Paraskevas ; Avramopoulos, Hercules
Author_Institution :
Sch. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Athens, Greece
Abstract :
A novel approach for Frequency Offset Estimation in coherent optical M-QAM systems using the received symbol phase entropy is investigated. It is accurate, non-data-aided, oblivious to modulation format and requires no gain control.
Keywords :
entropy; optical communication; quadrature amplitude modulation; M-QAM coherent optical systems; frequency offset estimation; modulation format; received symbol phase entropy; Entropy; Estimation; Frequency estimation; Optical fibers; Optical receivers; Phase shift keying;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
