Now showing items 1-20 of 33

  • An experimental study of multi-radio platform coexistence in the 5 GHz band for railway applications 

    Vlad, Adrián; Hierro, José; González, Jesús; Martinez, R.; Navarro, Isabel; Higuera Portilla, Jorge Eduardo; Kartsakli, Elli; Collado Gómez, Juan Carlos; González Arbesú, José María; Alonso Zárate, Luis Gonzaga; Valenzuela González, José Luis; Laya Romero, Andrés Ernesto; Flores, Enrique (Springer Verlag, 2011)
    Conference report
    Restricted access - publisher's policy
    This paper studies the practical challenges that arise due to the coexistence of two wireless technologies, both operating in the license-exempt 5 GHz band. In particular, WiFi and WiMAX equipment have been used in the ...
  • Are space-filling curves efficient small antennas? 

    González Arbesú, José María; Blanch Boris, Sebastián; Romeu Robert, Jordi (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC., 2003-09-30)
    Article
    Open Access
    The performance of space-filling curves used as small antennas is evaluated in terms of quality factor and radiation efficiency. The influence of their topology is also considered. Although the potential use of these ...
  • Caracterización de antenas mediante termografías de infrarrojos 

    González Arbesú, José María (Universitat Politècnica de Catalunya, 2000-04-06)
    Doctoral thesis
    Open Access
    La presente Tesis Doctoral toma como base los trabajos iniciados por investigaciones de la Universidad de Colorado(USA) orientados hacia la medida de las correintes superficiales inducidas por radiaciones electromagneticas ...
  • Caracterización de antenas mediante termografías de infrarrojos 

    González Arbesú, José María; Romeu Robert, Jordi (1998)
    Conference report
    Open Access
  • Comments on "On the relationship between fractal dimension and the performance of multi-resonant dipole antennas using Koch curves" 

    González Arbesú, José María; Rius Casals, Juan Manuel; Romeu Robert, Jordi (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-06-30)
    Working paper
    Open Access
    Comentaris referits a l'article següent: K. J. Vinoy, J. K. Abraham, and V. K. Varadan, “On the relationship between fractal dimension and the performance of multi-resonant dipole antennas using Koch curves,” IEEE ...
  • Comprobación del comportamiento autosimilar de las distribuciones de corriente sobre la superficie de la antena fractal de Sierpinski mediante termografías de infrarrojos 

    González Arbesú, José María; Puente Baliarda, Carles; Romeu Robert, Jordi (1998)
    Conference report
    Open Access
  • Concentric annular-ring microstrip antenna with circular polarization 

    Ramirez, M.; Parrón, Josep; González Arbesú, José María; Gemio, J. (2011)
    Article
    Restricted access - publisher's policy
    In this letter,we present a concentric annular-ring microstrip antenna that covers the bands of Galileo (E5a, E5b, E1, E2, L1), GPS (L1, L2, L5), and GLONASS (L1, L3). This microstrip antenna is fed by four apertures ...
  • Creació de recursos en línea per a l’autoaprenentage, foment de l’esperit crític i emprenedor i formació d’un comité d’avaluació externa en el màster MERIT 

    Pradell i Cara, Lluís; Cabrera-Bean, Margarita; Canal Bienzobas, Fernando; Cardama Aznar, Ángel; Gasull Llampallas, Antoni; González Arbesú, José María; Giró Nieto, Xavier; Heldring, Alexander; Herranz Luis, Jaime; Jofre Roca, Lluís; Mallorquí Franquet, Jordi Joan; Nadeu Camprubí, Climent; Olmos Bonafé, Juan José; Romeu Robert, Jordi; Rius Casals, Juan Manuel; Torres Torres, Francisco; Úbeda Farré, Eduard; Coderch Collell, Marcel; Kerans, Mary Ellen; Ros Giralt, Jordi; García, Antonio; González Font, Blanca; Guardiola Garcia, Marta; Hernández, Antoni; Melgarejo, Natali; Mestres, Albert (2009-02-12T10:25:51Z)
    Conference lecture / Conference report
    Open Access
    El projecte es desenvolupa en el marc de la titulació oficial de màster MERIT del Departament de Teoria del Senyal i Comunicacions. El màster, orientat a la recerca i integrat dins del programa Erasmus Mundus, presenta ...
  • Design of a bidirectional metamaterial spacer at 2.45 GHz 

    Imbert, Marc; Ferrer, Pere; González Arbesú, José María; Romeu Robert, Jordi (2010)
    Conference report
    Open Access
  • ERF: Control Final Laboratorio: primavera 2019 

    Collado Gómez, Juan Carlos; González Arbesú, José María (Universitat Politècnica de Catalunya, 2019-05-28)
    Exam
    Restricted access to the UPC academic community
  • ERF: Control Parcial Laboratorio: primavera 2019 

    Collado Gómez, Juan Carlos; González Arbesú, José María (Universitat Politècnica de Catalunya, 2019-05-02)
    Exam
    Restricted access to the UPC academic community
  • ERF: Control: primavera 2019 

    González Arbesú, José María; Collado Gómez, Juan Carlos (Universitat Politècnica de Catalunya, 2019-03-14)
    Exam
    Restricted access to the UPC academic community
  • ERF: Control: primavera 2019 

    Collado Gómez, Juan Carlos; González Arbesú, José María (Universitat Politècnica de Catalunya, 2019-05-23)
    Exam
    Restricted access to the UPC academic community
  • ERF: Examen final: primavera 2019 

    González Arbesú, José María; Collado Gómez, Juan Carlos (Universitat Politècnica de Catalunya, 2019-06-07)
    Exam
    Restricted access to the UPC academic community
  • ERF: Half semester exam: primavera 2019 

    González Arbesú, José María; Collado Gómez, Juan Carlos (Universitat Politècnica de Catalunya, 2019-03-29)
    Exam
    Restricted access to the UPC academic community
  • Feed-forward technique to measure the reflection coefficient under CW high-power signals 

    Collado Gómez, Juan Carlos; González Rodríguez, Marta; González Arbesú, José María; Mateu Mateu, Jordi; Verdú Tirado, Jordi; Hueltes Escobar, Alberto (IEEE Microwave Theory and Techniques Society, 2018-10-01)
    Article
    Open Access
    This paper describes a measurement setup to obtain the reflection coefficient response over the frequency of a given device when this is subjected to a single-tone high-power (HP) signal. The proposed system is based on a ...
  • GA design of small thin-wire antennas: comparison with Sierpinski-type prefractal antennas 

    Fernández Pantoja, Mario; García Ruíz, Francisco Javier; Rubio Bretones, Amelia C.; González García, S.; Gómez Martín, Rafael A.; González Arbesú, José María; Romeu Robert, Jordi; Rius Casals, Juan Manuel; Werner, P. L.; Werner, Douglas H. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2006-06-30)
    Article
    Open Access
    A new set of genetically generated electrically small thin-wire antennas with a better performance than that of several families of Sierpinsky prefractal monopoles of the same electrical size at resonance is presented
  • GA design of wire pre-fractal antennas and comparison with other Euclidean geometries 

    Fernández Pantoja, Mario; García Ruíz, Francisco Javier; Rubio Bretones, Amelia C.; Gómez Martín, Rafael A.; González Arbesú, José María; Romeu Robert, Jordi; Rius Casals, Juan Manuel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC., 2003-11-30)
    Article
    Open Access
    A multi-objective genetic algorithm (GA) has been applied in conjunction with the numerical electromagnetic code (NEC) to the optimization of wire pre-fractal Koch-like antennas in terms of bandwidth, efficiency, and ...
  • Infrared thermograms applied to near-field testing 

    González Arbesú, José María; Aguasca Solé, Alberto; Blanch Boris, Sebastián; Romeu Robert, Jordi (European Space Agency, 2000)
    Conference report
    Open Access
    Electromagnetic fields close to radiant structures can be measured quickly using an infrared camera. Examples of induced fields by wire antennas over a detection screen at distances shorter than one wavelength are presented. ...
  • Infrared thermograms applied to near-field testing 

    González Arbesú, José María; Aguasca Solé, Alberto; Romeu Robert, Jordi (IEE-INST ELEC ENG, 1999-05-31)
    Article
    Open Access
    Electromagnetic fields close to radiant structures can be measured quickly using an infrared camera. Examples of induced fields by wire antennas over a detection screen at distances shorter than one wavelength are presented. ...