Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/46229
Title: Pulse width modulated optical OFDM
Authors: Guerra, V. 
Suarez-Rodriguez, C.
El-Asmar, O.
Rabadan, J. 
Perez-Jimenez, R. 
UNESCO Clasification: 3307 Tecnología electrónica
Keywords: OFDM modulation
optical communication
optical modulation
optical distorsion
optical sensors
Issue Date: 2015
Conference: IEEE International Conference on Communications (ICC) 
Abstract: In this paper, the PWM encoding of an optical OFDM transmission is studied and simulated. Traditional optical OFDM schemes make use of linear drivers, but the inherent nonlinear behavior of the optical emitters produce a harmful effect on the demodulated signal. PWM allows the use of nonlinear drivers, avoiding this harmful effects and increasing the efficiency of the transmission. Furthermore, synchronization is easier and can be edge-directed, taking advantage of the pulsed nature of the PWM. As OFDM samples may be considered normally distributed, nonlinear predistortions can be used to increase the BER performance. The proposed modulation is studied in terms of spectral efficiency, energy efficiency and thoroughly simulated for different parameters.
URI: http://hdl.handle.net/10553/46229
ISBN: 9781467363051
ISSN: 2164-7038
DOI: 10.1109/ICCW.2015.7247363
Source: 2015 IEEE International Conference on Communication Workshop, ICCW 2015 (7247363), p. 1333-1337
Appears in Collections:Actas de congresos
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