Accurate Digital Frequency Offset Estimator for Coherent PolMux QAM Transmission Systems
Conference: ECOC 2009 - 35th European Conference on Optical Communication
09/20/2009 - 09/24/2009 at Vienna, Austria
Proceedings: ECOC 2009
Pages: 2Language: englishTyp: PDFPersonal VDE Members are entitled to a 10% discount on this title
Selmi, Mehrez; Jaouën, Yves; Ciblat, Philippe (Institut Telecom/Telecom ParisTech, CNRS UMR LTCI, 46 rue Barrault 75634 Paris CEDEX 13 France)
An accurate blind frequency offset estimator adapted to QAM modulated signal is proposed. For coherent 100Gbit/s QAM PolMux transmission, frequency offset can be recovered with an accuracy of a few kHz.