3D digital predistortion for dual-band envelope tracking power amplifiers

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Título:	3D digital predistortion for dual-band envelope tracking power amplifiers
Autor/a:	Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; López Bueno, David; García García, José Ángel
Otros autores:	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. CSC - Components and Systems for Communications Research Group
Abstract:	This paper proposes a novel three-dimensional digital predistorter (3D-DPD) suitable for compensating nonlinear distortion in dual-band (DB) envelope tracking (ET) power amplifiers (PAs). By taking into account the cross-band modulation effects (due to DB operation) and the slow-envelope dependent distortion effects (due to ET), the 3D-DPD is design by properly modifying the memory polynomial (MP) behavioral model. In a first approach, the accuracy and reliability of the proposed 3D-MP model are evaluated. Finally, experimental results are shown to validate the linearization performance of the proposed 3D-DPD.
Abstract:	Peer Reviewed
Materia(s):	-Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència -Power amplifiers -Digital predistortion -Dual-band -Envelope tracking -Power amplifiers -Amplificadors de potència
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Tipo de documento:	Artículo - Versión publicada Objeto de conferencia
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Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; García García, José Ángel; Ruiz Lavin, Maria de las nieves; Marante, Reinel

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Pham, Thi Quynh Anh; López Bueno, David; Wang, Teng; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís

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