Title :
Accurate digital frequency offset estimator for coherent PolMux QAM transmission systems
Author :
Selmi, Mehrez ; Jaouën, Yves ; Ciblat, Philippe
Author_Institution :
Inst. Telecom, Telecom ParisTech, Paris, France
Abstract :
An accurate blind frequency offset estimator adapted to QAM modulated signal is proposed. For coherent 100 Gbit/s QAM PolMux transmission, frequency offset can be recovered with an accuracy of a few kHz.
Keywords :
frequency estimation; multiplexing; optical fibre communication; optical fibre polarisation; optical modulation; quadrature amplitude modulation; bit rate 100 Gbit/s; blind frequency offset estimator; coherent PolMux QAM transmission system; digital frequency offset estimator; Additive noise; Digital signal processing; Frequency estimation; Optical distortion; Optical modulation; Polarization; Quadrature amplitude modulation; Quadrature phase shift keying; Signal processing algorithms; Telecommunications;
Conference_Titel :
Optical Communication, 2009. ECOC '09. 35th European Conference on
Conference_Location :
Vienna
Print_ISBN :
978-1-4244-5096-1
