Accurate digital frequency offset estimator for coherent PolMux QAM transmission systems

Mehrez Selmi,Yves Jaouën,Philippe Ciblat

Accurate digital frequency offset estimator for coherent PolMux QAM transmission systems

2009

Mehrez Selmi
Yves Jaouën
Philippe Ciblat

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.

Keywords:

Optics
Offset (computer science)
Quadrature amplitude modulation
Engineering
Electronic engineering
Frequency modulation
QAM
Bit error rate
Frequency offset
Signal-to-noise ratio
Phase-shift keying
optical polarization

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