L'objectiu del Grup de Recerca d'AntennaLab és promoure la recerca i la formació en els àmbits de les antenes, sistemes de comunicacions i visualització electromagnètica, tot fent avançar el coneixement científic i donant resposta a les necessitats de la indústria.

http://www.tsc.upc.edu/antennalab/

Recent Submissions

  • Efficient analysis of thick curved metal sheets 

    Úbeda Farré, Eduard; Rius Casals, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    The scattering analysis of perfectly conducting plates with the method-of-moment discretization of the Electric-Field Integral Equation has been traditionally carried out according to the thin-sheet approximation, which ...
  • Fourier analysis of submillimeter-wave scattering from the human cornea 

    Zarrinkhat, Faezeh; Lamberg, Joel; Tamminen, Aleksi; Baggio, Mariangela; Ala-Laurinaho, Juha; Khaled, Elsayed E. M.; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Taylor, Zachary (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Open Access
    Wave scattering from a human cornea illuminated with a submillimeter-wave Gaussian beam is explored with Fourier analysis. This new approach enabled us to investigate the cornea as a coated sphere rather than a homogenized ...
  • An UWB Tapered Slot Vivaldi Antenna (TSA) with improved characterestics 

    Akazzim, Youness; Kanjaa, Mohammed; El Mrabet, Otman; Jofre Roca, Lluís; Essaaidi, Mohamed (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference lecture
    Restricted access - publisher's policy
    In this paper, an UWB Tapered Slot Vivaldi Antenna (TSA) is presented. The proposed TSA is optimized in order to increase the bandwidth and ensure a good impedance matching at low and bandwidth frequencies while respecting ...
  • Acceleration of Born series by change of variables 

    López Menchón, Héctor; Rius Casals, Juan Manuel; Heldring, Alexander; Úbeda Farré, Eduard (2021-02-26)
    Article
    Open Access
    In this work, we propose a method to enhance the convergence of the Born series. The Born series is widely used in scattering theory, but its convergence is only guaranteed under certain restrictive conditions which limit ...
  • Millimeter-wave MIMO array measurement system for imaging and channel characterization 

    Ballesteros Sánchez, Christian; Montero Bayo, Luca; Ramírez Arroyave, Germán Augusto; Dagatti, Mayco; Solano Pérez, José Antonio; Molina García-Pardo, José María; Romeu Robert, Jordi; Jofre Roca, Lluís (Universidad de Málaga, 2020)
    Conference lecture
    Restricted access - publisher's policy
    Millimeter-wave band offer unique characteristicsto obtain good spatial position and resolution of certain type oftargets. The aim of this paper is to study a near-field focusingtechnique applied to the ...
  • Low-rank matrix factorization method for multiscale simulations: a review 

    Li, Mengmeng; Ding, Dazhi; Heldring, Alexander; Hu, Jun; Chen, Rushan; Vecchi, Giuseppe (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Article
    Open Access
    In this paper, a review of the low-rank factorization method is presented, with emphasis on their application to multiscale problems. Low-rank matrix factorization methods exploit the rankdeficient nature of coupling ...
  • Characterization of THz radiation by collimated wavefront aperture raster scanning 

    Nuño Gómez, Daniel-Juan; Santos Blanco, M. Concepción; Gomez Diaz, J. Sebastian; Romeu Robert, Jordi; Jofre Roca, Lluís (Universidad de Málaga, 2020)
    Conference report
    Open Access
    We present measurements for characterization of the beam profile and polarization pattern of lens-coupled photoconductive antennas (PCAs) at THz frequencies using a setup with antennas at fixed positions and a movable ...
  • Accurate, grid-robust and versatile combined-field discretization for the electromagnetic scattering analysis of perfectly conducting targets 

    Úbeda Farré, Eduard; Sekulic, Ivan; Rius Casals, Juan Manuel; Heldring, Alexander (2020-04-15)
    Article
    Restricted access - publisher's policy
    Recent implementations of the Electric-Field Integral Equation (EFIE) for the electromagnetic scattering analysis of perfectly conducting targets rely on the electric current expansion with the monopolar-RWG basis functions, ...
  • Antenna packaging for in-body applications 

    Romeu Robert, Jordi; González López, Giselle; Blanch Boris, Sebastián; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Open Access
    A cylindrical mode expansion of the fields produced by an embedded antenna is used to determine the dimensions of the antenna packaging in order to minimize antenna impedance changes when the antenna is immersed in a varying ...
  • Improving the accuracy of the adaptive cross approximation with a convergence criterion based on random sampling 

    Heldring, Alexander; Úbeda Farré, Eduard; Rius Casals, Juan Manuel (2020-07-27)
    Article
    Open Access
    The accuracy of the Adaptive Cross Approximation (ACA) algorithm, a popular method for the compression of low rank matrix blocks in Method of Moment computations, is sometimes seriously compromised by unpredictable errors ...
  • Hybrid massive MIMO for urban V2I: Sub-6 GHz vs mmWave performance assessment 

    Pfadler, Andreas; Ballesteros Sánchez, Christian; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2020-03)
    Article
    Open Access
    The relevance of vehicle communications in next-generation networks entails the necessity of studying their performance in the framework of upcoming massive architectures. In this regard, a study of the wireless channel ...
  • Nested fast adaptive cross approximation algorithm for solving electromagnetic scattering problems 

    Fang, Xiaoxing; Heldring, Alexander; Rius Casals, Juan Manuel; Chen, Xinlei; Cao, Qunsheng (IEEE Microwave Theory and Techniques Society, 2020-09-28)
    Article
    Open Access
    In this paper, a Nested Fast Adaptive Cross Approximation (NFACA) algorithm is presented to accelerate the solution of electromagnetic scattering problems. It is based on the Fast Adaptive Cross Approximation (FACA) and ...

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