Title :
Oversampled digital filter banks simplify and improve signal processing in RGI OFDM receivers
Author :
Tolmachev, Alex ; Nazarathy, Moshe ; Tselniker, Igor ; Sigron, I.
Author_Institution :
Electr. Eng. Dept., Technion - Israel Inst. of Technol., Haifa, Israel
Abstract :
The recent filter bank based digital sub-banding improves performance and reduces complexity of every aspect of coherent RGI OFDM reception: CD/PMD Equalization, Timing and Carrier recovery, Channel Estimation, Adaptive Tracking, Nonlinear Compensation.
Keywords :
OFDM modulation; channel bank filters; channel estimation; digital filters; equalisers; optical receivers; synchronisation; CD/PMD equalization; RGI OFDM receivers; adaptive tracking; carrier recovery; channel estimation; coherent RGI OFDM reception; complexity reduction; digital sub-banding; nonlinear compensation; oversampled digital filter banks; polarization mode dispersion; reduced-guard-interval; signal processing; timing recovery; Digital filters; Filter banks; Filtering theory; Maximum likelihood detection; Nonlinear filters; OFDM; Optical filters;
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
