Enviaments recents

  • Open source software radio platform for research on cellular networked UAVs: It works! 

    Sabri Abdalla, Aly; Yingst, Andrew; Powell, Keith; Gelonch Bosch, Antonio José; Marojevic, Vuk (Institute of Electrical and Electronics Engineers (IEEE), 2022-02-28)
    Article
    Accés obert
    Cellular network-connected unmanned aerial vehicles (UAVs) experience different radio propagation conditions than radio nodes on the ground. Therefore, it has become critical to investigate the performance of aerial radios, ...
  • Training data selection and dimensionality reduction for polynomial and artificial neural network MIMO adaptive digital predistortion 

    López Bueno, David; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (IEEE Microwave Theory and Techniques Society, 2022-11)
    Article
    Accés obert
    In 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 ...
  • Agnostic envelope linearization of dynamically supplied power amplifiers for mobile terminals 

    Li, Wantao; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (Multidisciplinary Digital Publishing Institute (MDPI), 2022-05-16)
    Article
    Accés obert
    This paper presents an envelope linearization technique to compensate for the nonlinear distortion of envelope tracking (ET) power amplifiers (PAs) for 5G new radio (NR) mobile terminals. The proposed envelope optimization ...
  • Distributed nonlinear model and fast analysis for in-band IMD3 prediction of surface acoustic wave resonators 

    González Rodríguez, Marta; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; González Arbesú, José María; Huebner, Sebatian (Institute of Electrical and Electronics Engineers (IEEE), 2022-01-01)
    Article
    Accés obert
    The motivation of this work is to analyze the in-band intermodulation distortion (IMD) occurring in surface acoustic wave (SAW) devices, using a recently developed fast method based on the input–output equivalent sources ...
  • Acoustic wave transversal filter for 5G N77 band 

    Mateu Mateu, Jordi; Yusuf, Yazid; Perea Robles, Rafael; Collado Gómez, Juan Carlos; Gimenez, Alfred; Martín Iglesias, Petronilo; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2021-10-01)
    Article
    Accés obert
    This work presents the complete synthesis procedure and circuit transformations needed to go from the characteristic polynomials to the transversal network formed by electroacoustic resonators. This filter topology allows ...
  • Machine-Learning assisted optimisation of free-parameters of a dual-input power amplifier for wideband applications 

    Wang, Teng; Li, Wantao; Quaglia, Roberto; Gilabert Pinal, Pere Lluís (Multidisciplinary Digital Publishing Institute (MDPI), 2021-04-17)
    Article
    Accés obert
    This paper presents an auto-tuning approach for dual-input power amplifiers using a combination of global optimisation search algorithms and adaptive linearisation in the optimisation of a multiple-input power amplifier. ...
  • Industria y transición energética 

    Berenguer Sau, Jordi (2022-03-18)
    Article
    Accés obert
    La situación de emergencia climática que como sociedad estamos padeciendo, y la crisis energética derivada del previsible agotamiento de los combustibles fósiles en un plazo de no más de cincuenta años, nos pone en la ...
  • 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 obert
    This 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 ...
  • Mesh-Selecting for Computational Efficient PA Behavioral Modeling and DPD Linearization 

    Wang, Teng; Gilabert Pinal, Pere Lluís (2021-01)
    Article
    Accés restringit per política de l'editorial
    This letter proposes a mesh-selecting (MeS) method for complex-valued signals oriented at significantly reducing the training data required to extract the parameters of mathematical models for characterizing the nonlinear ...
  • El conflicto del 5G y la aeronáutica 

    Berenguer Sau, Jordi (2022-03-16)
    Article
    Accés obert
    El pasado 19 de enero saltó la polémica en Estados Unidos ante la inminente puesta en servicio por parte de las operadoras de telecomunicaciones Verizon, ATT y T-Mobile, adjudicatarias de la subasta de espectro radioeléctrico ...
  • Emerging technologies applied to the agrifood sector 

    Berenguer Sau, Jordi (2020-01)
    Article
    Accés obert
    The sustainable development goals proposed by the 2030 Agenda include: putting an end to hunger, achieving food security, improving nutrition and promoting sustainable agriculture. Many different initiatives ...
  • UAV generalized longitudinal model for autopilot controller designs 

    Bertran Albertí, Eduardo; Tercero Chulián, Paula; Sanchez Cerda, Alex (2021-11-16)
    Article
    Accés obert
    This paper aims to overcome the main obstacle to compare the merits of the different control strategies for fixed-wing unmanned aerial vehicles (UAVs) to assess autopilot performances. Up to now, the published studies of ...

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