Recent Submissions

  • Terahertz frequency-scaled differential imaging for Sub-6 GHz vehicular antenna signature analysis 

    Solano-Sanchez, Jose-Antonio; Martinez-Ingles, Maria-Teresa; Molina García-Pardo, José María; Romeu Robert, Jordi; Jofre Roca, Lluís; Ballesteros Sánchez, Christian; Rodriguez, Jose-Victor; Mateo-Aroca, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2020-10-02)
    Article
    Open Access
    The next generation of connected and autonomous vehicles will be equipped with high numbers of antennas operating in a wide frequency range for communications and environment sensing. The study of 3D spatial angular responses ...
  • 3D-printed UHF-RFID tag for embedded applications 

    Vidal, Neus; Lopez-Villegas, Josep Maria; Romeu Robert, Jordi; Salas Barenys, Arnau; Garcia-Miquel, Aleix; González López, Giselle; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-10)
    Article
    Open Access
    This paper presents the design, manufacture and characterization of a novel 3D passive UHF-RFID tag for embedded applications. The prototype is fabricated using additive manufacturing techniques: 3D printing and copper ...
  • 3D beamsteering low complexity reconfigurable multilevel antenna 

    Zhou, Ivan; Ramirez, German; Montero, Luca; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís (2020-04)
    Article
    Open Access
    A low-complexity reconfigurable antenna (RA) capable of steering its beam into nine different directions corresponding to ¿={-42°,0°,42°} in the ¿={25°,0°,155°} planes, and ¿=±25° in the ¿=90° plane, using a reduced number ...
  • Enhanced discretization of surface integral equations for resonant scattering analysis of sharp-edged plasmonic nanoparticles 

    Sekulic, Ivan; Tzarouchis, Dimitrios C.; Ylä-Oijala, Pasi; Úbeda Farré, Eduard; Rius Casals, Juan Manuel (American Physical Society (APS), 2019-04-10)
    Article
    Open Access
    The surface integral equation (SIE) method, discretized with the method of moments, is a well-established methodology for the scattering analysis of subwavelength plasmonic nanoparticles. SIEs are usually discretized with ...
  • Linear and Circular UWB Millimeter-Wave and Terahertz Monostatic Near-Field Synthetic Aperture Imaging 

    solano perez, jose antonio; Martinez-Ingles, Maria-Teresa; Molina-Garcia Pardo, Jose Maria; Romeu Robert, Jordi; Jofre Roca, Lluís; Rodríguez, José Victor; Mateo-Aroca, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2020-03-10)
    Article
    Open Access
    Millimeter-wave and terahertz frequencies offer unique characteristics to simultaneously obtain good spatial resolution and penetrability. In this paper, a robust near-field monostatic focusing technique is presented and ...
  • Error vector magnitude, intermodulation and radiation characteristics of a bandwidth and pattern reconfigurable antenna 

    Towfiq, Asaduzzaman; Khalat, Abdurazag Mohamed; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís; Cetiner, Bedri Artug (2019-10)
    Article
    Open Access
    This letter presents the error vector magnitude (EVM), intermodulation (IM), and radiation performances of a reconfigurable antenna capable of varying its bandwidth between 3.4-3.6 and 3.1-3.9 GHz bands, and steering its ...
  • Debye frequency-extended waveguide permittivity extraction for high complex permittivity materials. Concrete setting process characterization 

    Gonzalez, Giselle; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís (2019-12)
    Article
    Open Access
    A waveguide with central frequency 868 MHz is used in transmission/reflection operation regime to accurately measure the behaviour of the complex permittivity of high complex permittivity granular materials and it has been ...
  • Resonance-Based microwave technique for body implant sensing 

    González López, Giselle; Jofre Roca, Lluís; Amorós García de Valdecasas, Susana; Rodríguez Leor, Oriol; Gálvez Montón, Carolina; Bayés Genis, Antoni; O'Callaghan Castellà, Juan Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-03)
    Article
    Open Access
    There is an increasing need for safe and simple techniques for sensing devices and prostheses implanted inside the human body. Microwave wireless inspection may be an appropriate technique for it. The implanted device may ...
  • Design and evaluation of an antenna applicator for a microwave colonoscopy system 

    Guardiola, Marta; Djafri, Kahina; Challal, Mouloud; González Ballester, Miguel A.; Fernández-Esparrach, Glòria; Camara, Oscar; Romeu Robert, Jordi (2019-08-01)
    Article
    Open Access
    This paper presents a design of a compact antenna applicator for a microwave colonoscopy system. Although colonoscopy is the most effective method for colorectal cancer detection, it suffers from important visualization ...
  • A dynamic load balancing method for the evaluation of chemical reaction rates in parallel combustion simulations 

    Muela Castro, Jordi; Borrell Pol, Ricard; Ventosa Molina, Jordi; Jofre Roca, Lluís; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David (Elsevier, 2019-08-15)
    Article
    Restricted access - publisher's policy
    The development and assessment of an efficient parallelization method for the evaluation of reaction rates in combustion simulations is presented. Combustion simulations where the finite-rate chemistry model is employed ...
  • 3-D printed UWB microwave bodyscope for biomedical measurements 

    Rashid, Saba; Jofre Roca, Lluís; Garrido, Alejandra; González, Giselle; Ding, Yongsheng; Aguasca Solé, Alberto; O'Callaghan Castellà, Juan Manuel; Romeu Robert, Jordi (2019-02-15)
    Article
    Open Access
    In this letter, a three-dimensional (3-D) printed compact ultrawideband (UWB) extended gap ridge horn (EGRH) antenna designed to be used for biological measurements of the human body is described. The operational frequency ...
  • La formación en ingeniería para la sociedad de la información. 

    Elias Fusté, Antoni (2018-12-18)
    Article
    Open Access
    Charles Darwin, en su libro "El Origen de las Especies", sentenció: No es el animal más fuerte, ni el más inteligente, el que sobrevive, sino aquel que es capaz de adaptarse a los canvios del entorno. Propiciado por ...

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