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Conferences > ANIC > 2012 > AW4A > AW4A.2

Linearity Improvement of Directly Modulated PONs by Digital Pre-Distortion of Coexisting OFDM-based Signals

Tiago Alves, José Morgado, and Adolfo Cartaxo

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Abstract

Digital pre-distortion of five OFDM-based wired-wireless signals for compensation of directly-modulated PONs nonlinearity is demonstrated experimentally. This technique leads to EVM-compliant levels in all signals and to EVM improvements that reach 5.7dB in UWB signals.

© 2012 Optical Society of America

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