NameCrespo Cadenas, Carlos
DepartmentTeoría de la Señal y Comunicaciones
Knowledge areaTeoría de la Señal y Comunicaciones
Professional categoryInvestigador Honorario
E-mailRequest
           
  • No. publications

    29

  • No. visits

    4556

  • No. downloads

    9235


 

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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) and ...
Article
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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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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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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)
Digital predistortion (DPD) based on Volterra models is commonly employed to counteract the nonlinear distortion of power ...
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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 ...
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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)
This work presents insights on the application of the Bayesian information criterion (BIC) to fix the optimum number of ...
Final Degree Project
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Despliegue de sistema de comunicaciones ópticas en emplazamiento situado en cliente Empresa para implementación de la tecnología 5G

Acuña Goñi, Claudia; Crespo Cadenas, Carlos (2020)
Este proyecto de fin de grado consiste en un documento teórico-práctico que aborda el estudio de una red FTTN (Fiber To ...
Final Degree Project
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Utilización de herramientas de diseño asistido por ordenador para la simulación de arquitecturas amplificadoras basadas en la técnica envelope tracking

Gómez Rodríguez, José Manuel; Reina Tosina, Luis Javier; Crespo Cadenas, Carlos (2020)
La sociedad avanza en dirección a un sistema que demanda cada vez más datos. Una mayor cantidad de datos requiere enviar ...
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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)
This paper provides a review of greedy pursuits for optimizing Volterra-based behavioral models structure and estimating ...
PhD Thesis
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Advanced signal processing techniques for the modeling and linearization of wireless communication systems.

Becerra González, Juan Antonio; Crespo Cadenas, Carlos; Reina Tosina, Luis Javier (2019)
Los nuevos estándares de comunicaciones digitales inalámbricas están impulsando el diseño de amplificadores de potencia ...
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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)
This letter presents a new method for the digital predistortion (DPD) of power amplifiers (PAs) based on sparse behavioral ...
Final Degree Project
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Estudio de formatos de señales para los futuros sistemas de comunicaciones de 5ª generación 5G.

Sánchez Muñoz, Eugenio José; Crespo Cadenas, Carlos (2018)
La modulación OFDM ha sido la modulación multiportadora más empleada en los estándares de comunicaciones inalámbricas ...
Article
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Transmitter Linearization Adaptable to Power-Varying Operation

Crespo Cadenas, Carlos; Madero Ayora, María José; Reina Tosina, Luis Javier; Becerra González, Juan Antonio (IEEE, 2017)
This paper presents the design of a power-scalable digital predistorter (DPD) for transmitter architectures. The target ...
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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)
This paper demonstrates a general model for nonlinear systems with complex-valued inputs and its application to communication ...
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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)
Digital predistortion has become an attractive technique for power amplifier linearisation whose limiting factor for using ...
Final Degree Project
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La capa física de los futuros sistemas de 5ª Generación 5G

Arias Macías, Luis Fernando; Crespo Cadenas, Carlos (2016)
Este trabajo se centra en la investigación de una futura capa física que de soporte a la generación de telefonía móvil que ...
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Performance of a behavioral model with long-term memory effects

Crespo Cadenas, Carlos; Reina Tosina, Luis Javier; Madero Ayora, María José (Cambridge University Press, 2013)
This paper presents a new behavioral model for power amplifiers that accomplishes the capture of nonlinear low-frequency ...
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Digital predistortion technique with in-band interference optimisation applied to DVB-T2

Allegue-Martínez, Michel; Madero Ayora, María José; Doblado, J.G.; Crespo Cadenas, Carlos; Reina Tosina, Luis Javier; Baena Lecuyer, Vicente (The Institution of Engineering and Technology, 2012)
The efficient transmission and nonlinear modelling of orthogonal frequency division multiplexing (OFDM) signals are difficult ...
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Nonlinear effects in lte downlink signals and application of a compensation technique at the receiver side

Allegue-Martínez, Michel; Madero Ayora, María José; Crespo Cadenas, Carlos; Reina Tosina, Luis Javier; Bernardo, Francisco (Wiley, 2012)
This article proposes a nonlinear compensation technique for long-term evolution downlink signals based on the memoryless ...
PhD Thesis
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Modeling and compensation of non-linear effects in wireless communications systems

Allegue-Martínez, Michel; Madero Ayora, María José; Crespo Cadenas, Carlos (2012)
La Ingeniería de Microondas y Radiofrecuencia ha ido adquiriendo una importancia cada vez mayor en los últimos años, ...
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Experimental study of two-tone intermodulation products in a communications modulator

Madero Ayora, María José; Allegue-Martínez, Michel; Crespo Cadenas, Carlos; Reina Tosina, Luis Javier; Navarro-Lázaro, Javier (Wiley, 2011)
This article presents the experimental nonlinear characterization of a quadrature modulator following a two‐tone test ...
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A New Approach to Pruning Volterra Models for Power Amplifiers

Crespo Cadenas, Carlos; Reina Tosina, Luis Javier; Madero Ayora, María José; Muñoz-Cruzado, Jesús (IEEE, 2010)
The objective of this paper is to present an approach to behavioral modeling that can be applied to predict the nonlinear ...
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Amplifier Nonlinear Modeling with RF Pulses

Crespo Cadenas, Carlos; Reina Tosina, Luis Javier; Madero Ayora, María José (IEEE, 2008)
This paper proposes a Volterra kernel identification procedure for wireless amplifiers with nonlinear memory. The technique ...
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An Impedance-Based Model for the Evaluation of IM3 in Nonlinear Amplifiers Showing Memory Effects

Madero Ayora, María José; Reina Tosina, Luis Javier; Crespo Cadenas, Carlos (Wiley, 2008)
A simple model that captures nonlinear memory effects inwideband amplifiers is presented in this work. The model defines ...
PhD Thesis
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Analysis and experimental characterization of nonlinear circuits applied to wireless communications systems

Madero Ayora, María José; Crespo Cadenas, Carlos;  (2008)
La Tesis realizada pretende dar una visión amplia y detallada sobre el análisis de circuitos no lineales para comunicaciones ...
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Volterra Behavioral Model for Wideband RF Amplifiers

Crespo Cadenas, Carlos; Reina Tosina, Luis Javier; Madero Ayora, María José (IEEE, 2007)
This paper proposes a behavioral modeling approach for the description of nonlinearities in wideband wireless communication ...
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Circuit-level simulation of W-CDMA communication systems applied to the analysis of nonlinear distortion

Madero Ayora, María José; Reina Tosina, Luis Javier; Freire-Pérez, Ramón; Crespo Cadenas, Carlos (Wiley, 2004)
Different circuit-level approaches to analyze the effects of non linear distortion on coded division multiple access (CDMA) ...
Presentation
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Simulation of nonlinear distortion in W-CDMA communication circuits

Reina Tosina, Luis Javier; Madero Ayora, María José; Crespo Cadenas, Carlos; Freire-Pérez, Ramón (Society of Photo-optical Instrumentation Engineers (SPIE), 2004)
Different circuit-level approaches to study the effects of nonlinear distortion on coded division multiple access (CDMA) ...
PhD Thesis
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Técnicas de diseño y análisis de mezcladores MMIC mediante series de Volterra

Reina Tosina, Luis Javier; Crespo Cadenas, Carlos (2002)