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Contribution aux techniques dites d'ajout de signal pour la Réduction du Facteur de Crête des signaux OFDM.

Abstract : One of the main drawbacks of the OFDM modulation scheme is its high Peak-To-Average Power variation (PAPR) which can induce poor power efficiency at the transmitter amplifier. The digital base band pre-distortion for linearisation of power amplifier and the PAPR mitigation are the most commonly used solution in order to deals with efficiency and linearisation at the high power amplifier. This thesis is focused on the PAPR mitigation solution, and particularly on the adding signal based techniques. The proposed solutions in this report are about improving the Tone Reservation method which is the most popular adding signal based technique for PAPR mitigation, and also the classical clipping method which is the most simple method (in terms of computational complexity) actually.
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Mamadou Lamarana Diallo. Contribution aux techniques dites d'ajout de signal pour la Réduction du Facteur de Crête des signaux OFDM.. Autre. CentraleSupélec, 2016. Français. ⟨NNT : 2016CSUP0005⟩. ⟨tel-01647466⟩

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