Title :
Real-time-realizable Filtered-Multi-Tone (FMT) modulation for layered-FFT Nyquist WDM spectral shaping
Author :
Tolmachev, Alex ; Nazarathy, Moshe
Author_Institution :
EE Dept., Technion - Israel Inst. of Technol., Haifa, Israel
Abstract :
An end-to-end FMT system, based on a novel layered FFT polyphase realization of uniform DFT filter banks, improves upon Reduced Guardband Interval (RGI) coherent OFDM, enabling highly efficient Nyquist WDM amenable to real-time FPGA/ASIC parallelization.
Keywords :
OFDM modulation; application specific integrated circuits; channel bank filters; discrete Fourier transforms; field programmable gate arrays; wavelength division multiplexing; FPGA/ASIC parallelization; coherent OFDM; end-to-end FMT system; filtered-multitone modulation; layered-FFT Nyquist WDM spectral shaping; polyphase realization; uniform DFT filter banks; Complexity theory; Field programmable gate arrays; Filter banks; Modulation; OFDM; Optical filters; Real time systems;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
