Exploració per autor "Montoro López, Gabriel"
Ara es mostren els items 78-97 de 109
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Partial least squares identification of multi look-up table digital predistorters for concurrent dual-band envelope tracking power amplifiers
Pham, Thi Quynh Anh; López Bueno, David; Wang, Teng; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (IEEE Microwave Theory and Techniques Society, 2018-08-02)
Article
Accés obertThis paper presents a technique to estimate the coefficients of a multiple-look-up table (LUT) digital predistortion (DPD) architecture based on the partial least-squares (PLS) regression method. The proposed 3-D distributed ... -
Peak cancellation and digital predistortion of high-order QAM wideband signals for next generation wireless backhaul equipment
López Bueno, David; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Bartzoudis, Nikolaos (2014)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper evaluates the linearity performance in a wideband wireless backhaul transmitter when applying crest factor reduction (CFR) and digital predistortion (DPD) techniques to enhance the transmitted output power, and ... -
Performance analysis of power amplifier back-off levels in UWB transmitters
Bertran Albertí, Eduardo; O'Droma, Máirtín; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2007-11)
Article
Accés obertThis paper focuses on the interplay between data throughput and battery duration in UWB units, both of which the most perceptible at the user’ level. The potential benefits of enlarging the power amplifier back-off ... -
Power amplifier nonlinear modeling for digital predistortion
Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (Cambridge University Press, 2011-09-29)
Capítol de llibre
Accés restringit per política de l'editorial -
Prediction of the optimal phase shift between control signals in dual-input power amplifiers
Guillena Berenguer, Estefanía; Li, Wantao; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper evaluates the effect of the phase shift between the two control signals in a dual-input load modulated balanced amplifier (LMBA). While the drain efficiency of the LMBA is not significantly affected by the phase ... -
Predistorsión digital y adaptativa de amplificadores de RF con modelos de Hammerstein
Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (Editorial de la UPV, 2005)
Text en actes de congrés
Accés obert -
Reconfigurable DPD based on ANNs for wideband load modulated balanced amplifiers under dynamic operation from 1.8 to 2.4 GHz
Guillena Berenguer, Estefanía; Li, Wantao; Montoro López, Gabriel; Quaglia, Roberto; Gilabert Pinal, Pere Lluís (IEEE Microwave Theory and Techniques Society, 2021-01-01)
Article
Accés obertThis article proposes a methodology to ensure linear amplification of a load modulated balanced amplifier (LMBA) while keeping the power efficiency as high as possible over a frequency band ranging from 1.8 to 2.4 GHz and ... -
Reducción de factor de cresta y predistorsión digital de señales QAM de banda ancha para equipos backhaul de próxima generación
López Bueno, David; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Bartzoudis, Nikolaos; Payaró Llisterri, Miquel (Unión Científica Internacional de Radio (URSI), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper evaluates the linearity performance in a wideband wireless backhaul transmitter when applying crest factor reduction (CFR) and digital predistortion (DPD) techniques to enhance the transmitted output power, ... -
Reducción de la frecuencia de muestreo en los conversores ADC y DAC usados en predistorsionadores digitales
Montoro López, Gabriel; Wang, Teng; López Bueno, David; Ruiz, María Nieves; García, José Angel; Gilabert Pinal, Pere Lluís (Unión Científica Internacional de Radio (URSI), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialWith the increasing demands for higher data rate, wider signal bandwidth is required, and this imposes high sampling rate converters in the communications equipment. This paper provides and analyzes experimental results ... -
Reducción del orden del modelo de predistorsión digital para amplificadores de potencia mediante la regularización de Ridge
Mozos Ruiz, José Miguel; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (Universidad Autónoma de Madrid, 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper addresses a model order reduction technique based on Ridge’s regression for power amplifier (PA) behavioral models to be used in digital predistortion (DPD) linearization applications. Commonly, the DPD ... -
Resource management implications and strategies for SDR clouds
Gómez Miguelez, Ismael; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Gelonch Bosch, Antonio José; Marojevic, Vuk (2012-09-19)
Article
Accés restringit per política de l'editorialThis paper analyzes the computing resource management implications of SDR base stations implemented as SDR clouds. SDR clouds describe distributed antennas that connect to a data center for digital signal processing. ... -
Resource management strategies for SDR clouds
Marojevic, Vuk; Gómez Miguelez, Ismael; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Gelonch Bosch, Antonio José (2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper analyzes different resource management strategies for SDR base stations implemented as SDR clouds. SDR clouds describe distributed antennas that connect to a data center for digital signal processing. The data ... -
RF and accelerating structure of 12 MeV UPC race-track microtron
Koubychine Merkulov, Youri Alexandrovich; Gonzalez, Xavier; Montoro López, Gabriel; Carrillo, David; Garcia-Tabares, Luis; Toral, Fernando; Mathot, Serge Jean; Shvedunov, V.I. (2012)
Comunicació de congrés
Accés obertWe describe the design and technical characteristics of a C-band SW accelerating structure of a 12 MeV race-track microtron, which is under construction at the Technical University of Catalonia, and its RF system with a ... -
RF leakage compensation in wideband envelope tracking power amplifiers for mobile terminals
Li, Wantao; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (2022)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper presents a new linearization method to compensate for the unwanted RF leakage that appears at the ouput of envelope tracking modulators (ETMs) when operating envelope tracking (ET) power amplifiers (PAs) with ... -
SDR in undergraduate engineering education
Marojevic, Vuk; Gómez Miguelez, Ismael; Olmos Bonafé, Juan José; Montoro López, Gabriel; Gelonch Bosch, Antonio José (2010)
Text en actes de congrés
Accés obert -
Seguimiento de la envolvente con ganancia constante mediante esquema outphasing en tecnología GaN HEMT
Benito, Adán L.; Ruiz, María Nieves; García García, José Ángel; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (Unión Científica Internacional de Radio (URSI), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialA UHF outphasing transmitter, based on parallelcircuit Class E power amplifiers (PAs) and implementing a constant-gain envelope tracking strategy, is presented in this paper. Using the nonlinear model of the selected ... -
SHAPER: demostrador experimental de técnicas de linealización digital de amplificadores de potencia para acceso y backhaul inalámbrico 4G/5G
López Bueno, David; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Bartzoudis, Nikolaos; Font Bach, Oriol (Universidad Autónoma de Madrid, 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThe waveforms being employed by fourthgeneration (4G) and candidate fifth-generation (5G) radio access and wireless backhaul technologies are based on modulation techniques that allow significantly increased spectral ... -
Slew-rate and efficiency trade-off in slow envelope tracking power amplifiers
Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Vizarreta Paz, Pedro Pablo (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a study on the trade-off between the envelope's slew-rate and the drain efficiency when slower envelopes are considered to dynamically supply the power amplifier (PA). This paper discusses a method to ... -
Slew-rate and efficiency trade-off in slow envelope tracking power amplifiers
Vizarreta Paz, Pedro Pablo; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (2012-12-12)
Article
Accés restringit per política de l'editorialThis paper presents a study on the trade-off between the envelope’s slew-rate and the drain efficiency when slower envelopes are considered to dynamically supply the power amplifier (PA). This paper discusses a method ... -
Slew-rate limited envelopes for driving envelope tracking amplifiers
Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Vizarreta Paz, Pedro Pablo; Bertran Albertí, Eduardo (IEEE Microwave Theory and Techniques Society, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a practical application of a method for generating slew-rate limited envelopes in order to drive the dynamic supply of envelope tracking (ET) power amplifiers (PAs). The proposed method results useful ...