Title :
FFT optimization for practical OFDM implementations
Author :
Adhikari, Susmita ; Inan, Beril ; Karakaya, Ozgur ; Rosenkranz, Werner ; Jansen, Sander L.
Author_Institution :
Dept. of Commun., Christian-Albrechts-Univ. zu Kiel, Kiel, Germany
Abstract :
We investigate scaling the FFT-size in OFDM signal generated with FPGA-DAC set. Increasing FFT-size, creates challenges in optical back-to-back scenario due to less tolerance to phase noise. However, for transmission nonlinear tolerance was the same.
Keywords :
OFDM modulation; digital-analogue conversion; fast Fourier transforms; field programmable gate arrays; optimisation; phase noise; FFT optimization; FPGA-DAC set; OFDM implementations; OFDM signal; phase noise; transmission nonlinear tolerance; Nonlinear optics; OFDM; Optical fibers; Optical noise; Optical transmitters; Phase noise;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
