Title :
Non-data-aided wide-range frequency offset estimator for QAM optical coherent receivers
Author :
Nakagawa, Tadao ; Matsui, Munehiro ; Kobayashi, Takayuki ; Ishihara, Koichi ; Kudo, Riichi ; Mizoguchi, Masato ; Miyamoto, Yutaka
Author_Institution :
NTT Network Innovation Labs., NTT Corp., Yokosuka, Japan
Abstract :
We propose and experimentally demonstrate a novel blind frequency offset estimator for coherent quadrature amplitude modulation (QAM) receivers. Its frequency offset estimation range is more than three times the conventional estimation range.
Keywords :
frequency estimation; optical receivers; quadrature amplitude modulation; QAM optical coherent receivers; blind frequency offset estimator; nondata-aided wide-range frequency offset estimator; quadrature amplitude modulation; Estimation; Frequency estimation; Frequency modulation; Optical receivers; Quadrature amplitude modulation; Time frequency analysis;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4577-0213-6
