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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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