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Listar Artículos (Teoría de la Señal y Comunicaciones) por autor "Becerra González, Juan Antonio"
Mostrando ítems 1-12 de 12
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Artículo
A bivariate volterra series model for the design of power amplifier digital predistorters
Crespo Cadenas, Carlos; Madero Ayora, María José; Becerra González, Juan Antonio (MDPI, 2021)The operation of the power amplifier (PA) in wireless transmitters presents a trade-off between linearity and power ...
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Artículo
A Doubly Orthogonal Matching Pursuit Algorithm for Sparse Predistortion of Power Amplifiers
Becerra González, Juan Antonio; Madero Ayora, María José; Reina Tosina, Luis Javier; Crespo Cadenas, Carlos; García-Frías, Javier; Arce, Gonzalo (IEEE, 2018-08)This letter presents a new method for the digital predistortion (DPD) of power amplifiers (PAs) based on sparse behavioral ...
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Artículo
A Sparse-Bayesian Approach for the Design of Robust Digital Predistorters Under Power-Varying Operation
Crespo Cadenas, Carlos; Madero Ayora, María José; Becerra González, Juan Antonio; Cruces Álvarez, Sergio Antonio (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2022)In this article, a sparse-Bayesian treatment is proposed to solve the crucial questions posed by power amplifier (PA) ...
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Artículo
An Upgraded Dual-Band Digital Predistorter Model for Power Amplifiers Linearization
Pérez Hernández, Abraham; Becerra González, Juan Antonio; Madero Ayora, María José; Crespo Cadenas, Carlos (IEEE, 2021-01)Digital predistortion (DPD) based on Volterra models is commonly employed to counteract the nonlinear distortion of power ...
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Artículo
Comparative Analysis of Greedy Pursuits for the Order Reduction of Wideband Digital Predistorters
Becerra González, Juan Antonio; Madero Ayora, María José; Crespo Cadenas, Carlos (IEEE, 2019-09)This paper provides a review of greedy pursuits for optimizing Volterra-based behavioral models structure and estimating ...
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Artículo
Comparison of Feature Selection Techniques for Power Amplifier Behavioral Modeling and Digital Predistortion Linearization
Barry, Abdoul; Li, Wantao; Becerra González, Juan Antonio; Gilabert, Pere L (MDPI, 2021-09)The power amplifier (PA) is the most critical subsystem in terms of linearity and power efficiency. Digital predistortion ...
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Digital predistortion of power amplifiers using structured compressed-sensing Volterra series
Becerra González, Juan Antonio; Madero Ayora, María José; Reina Tosina, Luis Javier; Crespo Cadenas, Carlos (The Institution of Engineering and Technology, 2017-01)Digital predistortion has become an attractive technique for power amplifier linearisation whose limiting factor for using ...
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Formal deduction of a Volterra series model for complex-valued systems
Crespo Cadenas, Carlos; Madero Ayora, María José; Reina Tosina, Luis Javier; Becerra González, Juan Antonio (Elsevier, 2017-02)This paper demonstrates a general model for nonlinear systems with complex-valued inputs and its application to communication ...
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Artículo
On the Optimum Number of Coefficients of Sparse Digital Predistorters: A Bayesian Approach
Becerra González, Juan Antonio; Madero Ayora, María José; Noguer, Rafael G.; Crespo Cadenas, Carlos (IEEE, 2020-12)This work presents insights on the application of the Bayesian information criterion (BIC) to fix the optimum number of ...
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Sparse identification of volterra models for power amplifiers without pseudoinverse computation
Becerra González, Juan Antonio; Madero Ayora, María José; Reina Tosina, Luis Javier; Crespo Cadenas, Carlos (Institute of Electrical and Electronics Engineers Inc., 2021)We present a new formulation of the doubly orthogonal matching pursuit (DOMP) algorithm for the sparse recovery of Volterra ...
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Artículo
Transmitter Linearization Adaptable to Power-Varying Operation
Crespo Cadenas, Carlos; Madero Ayora, María José; Reina Tosina, Luis Javier; Becerra González, Juan Antonio (IEEE, 2017-10)This paper presents the design of a power-scalable digital predistorter (DPD) for transmitter architectures. The target ...
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Artículo
Upgrading Behavioral Models for the Design of Digital Predistorters
Crespo Cadenas, Carlos; Madero Ayora, María José; Becerra González, Juan Antonio (MDPI AG, 2021)This work presents a strategy to upgrade models for power amplifier (PA) behavioral modeling and digital predistortion ...