Title :
Data-aided frequency-domain 2×2 MIMO equalizer for 112 Gbit/s PDM-QPSK coherent transmission systems
Author :
Pittala, Fabio ; Hauske, F.N. ; Yabin Ye ; Gonzalez, Neil ; Monroy, I.T.
Author_Institution :
Eur. Res. Center, Huawei Technol. Duesseldorf GmbH, Munich, Germany
Abstract :
Benefits of a low-complexity adaptive 32-tap 2×2 MIMO frequency-domain filter update by data-aided channel estimation over a time-domain filter with DD-LMS are shown. Superior stability and convergence speed is demonstrated with identical impairment tolerance.
Keywords :
MIMO communication; adaptive filters; channel estimation; equalisers; frequency-domain analysis; quadrature phase shift keying; time-domain analysis; DD-LMS; PDM-QPSK coherent transmission systems; bit rate 112 Gbit/s; convergence speed; data-aided channel estimation; data-aided frequency-domain MIMO equalizer; low-complexity adaptive MIMO frequency-domain filter; stability; time-domain filter; Bit error rate; Channel estimation; Finite impulse response filter; Maximum likelihood detection; Optical noise; Signal to noise ratio;
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
