Title :
Real-time FPGA implementation of efficient filter-banks for digitally sub-banded coherent DFT-S OFDM receiver
Author :
Tolmachev, Alex ; Orbach, M. ; Meltsin, M. ; Hilgendorf, R. ; Birk, T. ; Nazarathy, Moshe
Author_Institution :
Electr. Eng. Dept., Technion - Israel Inst. of Technol., Haifa, Israel
Abstract :
We demonstrate a real-time FPGA realization of dual polarization filter banks - this high-speed 2×25 GBd low-complexity core establishes feasibility of energy-efficient (multipliers count ~halved) HW architecture for a digitally sub-banded 170 Gb/s DFT-S OFDM receiver.
Keywords :
OFDM modulation; channel bank filters; field programmable gate arrays; optical fibre communication; optical receivers; 16-QAM OFDM; DFT-spread; digitally subbanded coherent DFT-S OFDM receiver; dual polarization filter banks; optical transmission link; real-time FPGA; Digital filters; Field programmable gate arrays; Filter banks; OFDM; Optical filters; Real-time systems; Receivers;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
