Exploració per autor "Montoro López, Gabriel"
Ara es mostren els items 92-109 de 109
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SDR in undergraduate engineering education
(2010)
Text en actes de congrés
Accés obert -
Seguimiento de la envolvente con ganancia constante mediante esquema outphasing en tecnología GaN HEMT
(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
(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
(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
(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
(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 ... -
Slow-envelope shaping function FPGA implementation for 5G NR envelope tracking PA
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper focuses on the FPGA implementation of a slew-rate reduction (SR) shaping function for envelope tracking (ET) power amplifiers (PAs). The SR envelope has been proved effective to trade-off power efficiency and ... -
Spectral weighting orthogonal matching pursuit algorithm for enhanced out-of-band digital predistortion linearization
(2018-01-01)
Article
Accés obertThis paper presents a new variant of the orthogonal matching pursuit (OMP) algorithm for reducing the computational complexity of the digital predistortion (DPD) behavioral model in the forward path. The proposed spectral ... -
STCSC-OT: Control: primavera 2019
(Universitat Politècnica de Catalunya, 2019-03-20)
Examen
Accés restringit a la comunitat UPC -
STCSC-OT: Control: primavera 2019
(Universitat Politècnica de Catalunya, 2019-05-08)
Examen
Accés restringit a la comunitat UPC -
STCSC-OT: Examen: primavera 2019
(Universitat Politècnica de Catalunya, 2019-05-31)
Examen
Accés restringit a la comunitat UPC -
STCSC-OT: Examen: primavera 2019
(Universitat Politècnica de Catalunya, 2019-04-05)
Examen
Accés restringit a la comunitat UPC -
Technologies for emergency rollout of broadband public protection and disaster relief (BB-PPDR) communications in humanitarian crisis zones
(The Institution of Engineering and Technology, 2020-08-15)
Capítol de llibre
Accés restringit per política de l'editorialThe ongoing migration flows of refugees and immigrants who escape from war and conflict zones to seek asylum and stable living conditions in European countries, have created a multitude of humanitarian crisis sites. The ... -
Técnicas Emergentes de Mejora del Compromiso Eficiencia-Linealidad en Transmisores de Radiofrecuencia
(2009-09)
Comunicació de congrés
Accés obert -
Tone injection-based cancellation technique for nonlinear distortion reduction of modulated signals in BAW resonators
(2020-01-01)
Article
Accés obertA technique for the reduction of third-order intermodulation distortion (IMD3) occurring in bulk acoustic wave (BAW) filters and multiplexers is presented. The method consists of using the intrinsic second-order intermodulation ... -
Training data selection and dimensionality reduction for polynomial and artificial neural network MIMO adaptive digital predistortion
(IEEE Microwave Theory and Techniques Society, 2022-11)
Article
Accés obertIn 5G and beyond radios, the increased bandwidth, the fast-changing waveform scenarios, and the operation of large array multiple-input multiple-output (MIMO) transmitter architectures have challenged both the polynomial ... -
Transmisor outphasing en UHF usando amplificadores clase E a GaN HEMT
(Unión Científica Internacional de Radio, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialA Chireix outphasing transmitter at UHF band is presented in this paper, based on class E RF power amplifiers. As recently proved in [1], properly transforming the load modulation path, imposed by the non-isolated ... -
Under-sampling effects and computational cost reduction in RF power amplifier Behavioral Modeling
(European Microwave Association (EuMA), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a study oriented at reducing the computational complexity of least squares (LS) identification of the parameters describing power amplifier’s (PA) behavioral models. To reduce the dimensions of the ...
