Blind Linearization of Nonlinear Channels using a Repetition/Modulation Precoder

In this paper we introduce a new approach for compensating nonlinear distortions. The usual approaches necessitate the design of devices such as predistorters or nonlinear equalizers for compensating nonlinearities. Our approach consists in viewing the received signal as a linear mixture of distorte...

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Hauptverfasser:	Kibangou, A.Y., Favier, G.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Baseband Computer Science Digital communication Diode lasers Engineering Sciences Equalizers High power amplifiers Intersymbol interference Nonlinear distortion Nonlinear filters Radio transmitters Signal and Image Processing Signal to noise ratio
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creator	Kibangou, A.Y. Favier, G.
description	In this paper we introduce a new approach for compensating nonlinear distortions. The usual approaches necessitate the design of devices such as predistorters or nonlinear equalizers for compensating nonlinearities. Our approach consists in viewing the received signal as a linear mixture of distorted signals. Owing to a redundant precoder of repetition/modulation type we show that the received signals result in a linear mixture of the distorted signals (from first-order, i.e. linear, to higher orders). Furthermore, the mixture is completely characterized by the precoder. By a simple inversion of the mixture matrix, we can extract the first-order distorted signal. Some simulations results are provided to illustrate the performances of the proposed approach
doi_str_mv	10.1109/SPAWC.2006.346442
format	Conference Proceeding
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subjects	Baseband Computer Science Digital communication Diode lasers Engineering Sciences Equalizers High power amplifiers Intersymbol interference Nonlinear distortion Nonlinear filters Radio transmitters Signal and Image Processing Signal to noise ratio
title	Blind Linearization of Nonlinear Channels using a Repetition/Modulation Precoder
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