Title :
Hardware-efficient polarization demultiplexing for QAM signals based on dual stage decision-directed algorithm
Author :
Maeda, Wakako ; Ogasahara, Daisaku ; Abe, Junichiro ; Fujisawa, Shinsuke ; de Gabory, E.L.T. ; Ito, Takao ; Fukuchi, Kiyoshi
Abstract :
We propose a hardware-efficient polarization demultiplexing algorithm suitable for QAM signals, which is based on dual decision-directed algorithm. Our algorithm requires only half size hardware of a conventional double stage algorithm based on CMA.
Keywords :
demultiplexing; quadrature amplitude modulation; CMA; QAM signals; constant modulus algorithm; conventional double stage algorithm; dual stage decision-directed algorithm; half size hardware; hardware-efficient polarization demultiplexing; Demultiplexing; Finite impulse response filter; Hardware; Monitoring; Phase shift keying; Quadrature amplitude modulation; Signal processing algorithms;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
