Recent Submissions

  • Multi-antenna 3D pattern design for millimeter-wave vehicular communications 

    Ballesteros Sánchez, Christian; Montero Bayo, Luca; Ramírez Arroyave, Germán Augusto; Jofre Roca, Lluís (Elsevier, 2022-06)
    Article
    Open Access
    The transformation of the automotive industry towards ubiquitous connection of vehicles with all kind of external agents (V2X) motivates the use of a wide range of frequencies for several applications. Millimeter-wave ...
  • Ultra-wideband narrow wall waveguide-to-microstrip transition using overlapped patches 

    Zhou, Ivan; Romeu Robert, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2022-04-12)
    Article
    Open Access
    An ultrawideband rectangular waveguide to microstrip line transition operating at the whole LMDS and Ka band is presented. The transition is based on exciting three overlapped transversal patches that radiate into the ...
  • Superheterodyne microwave system for the detection of bioparticles with coplanar electrodes on a microfluidic platform 

    Palacios Arias, César Augusto; Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Romeu Robert, Jordi; Jofre Roca, Lluís (2022-04-08)
    Article
    Open Access
    The combination of microwave and microfluidic technologies has the potential to enable wireless monitoring and interaction with bioparticles, facilitating, in this way, the exploration of a still largely uncharted territory ...
  • Adaptive beamwidth optimization under Doppler ICI and positioning errors at mmWave bands 

    Ballesteros Sánchez, Christian; Pfadler, Andreas; Montero Bayo, Luca; Romeu, Jordi; Jofre Roca, Lluís (Elsevier, 2022-04-01)
    Article
    Open Access
    The growing trends towards massive antenna arrays with focusing capabilities has enabled the use of higher frequencies at the cost of more complex systems. In the particular case of vehicular communications, millimeter-wave ...
  • Experimental verification of dielectric models with a capacitive wheatstone bridge biosensor for living cells: E. coli 

    Zarrinkhat, Faezeh; Jofre Cruanyes, Marc; Jofre Roca, Lluís; Rius Casals, Juan Manuel; Romeu Robert, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-23)
    Article
    Open Access
    Detection of bioparticles is of great importance in electrophoresis, identification of biomass sources, food and water safety, and other areas. It requires a proper model to describe bioparticles’ electromagnetic ...
  • Beam management for vehicle-to-vehicle (V2V) communications in millimeter wave 5G 

    Montero Bayo, Luca; Ballesteros Sánchez, Christian; De Marco, Cesar; Jofre Roca, Lluís (2022-04)
    Article
    Open Access
    Cooperative, Connected and Automated Mobility (CCAM) is expected to leverage the full potential of wireless communications. With the growing adoption of 5G and its support for Vehicle-to-Everything (V2X) communications, ...
  • Assessment of mmwave handset arrays in the presence of the user body 

    Ballesteros Sánchez, Christian; Vähä-Savo, Lauri; Haneda, Katsuyuki; Icheln, Clemens; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
    Article
    Open Access
    The emergence of mobile terminals operating at millimeter-wave frequencies necessitates the ability to evaluate the effect the environment, and in particular, users have on their radiation properties. Some studies evaluated ...
  • Automatic polyp detection using microwave endoscopy for colorectal cancer prevention and early detection: phantom validation 

    Garrido Atienza, Alejandra; Sont Colomer, Roberto; Dghoughi, Walid; Marcoval Martínez, Sergi; Romeu Robert, Jordi; Fernández-Esparrach, Glòria; Belda Reig, Ignasi; Guardiola Garcia, Marta (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Article
    Open Access
    A system to integrate microwave imaging with optical colonoscopy is presented. The overarching goal is to improve the prevention and early diagnosis of one of the main health and economic burdens of an increasingly aging ...
  • Reconfigurable dual-polarized beam-steering broadband antenna using a crossed-strips geometry 

    Ramírez Arroyave, Germán Augusto; Zhou, Ivan; Blanch Boris, Sebastián; Towfiq, Asaduzzaman; Cetiner, Bedri Artug; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2021-08)
    Article
    Open Access
    In this letter, a reconfigurable dual-polarized broadband antenna with beam-steering capabilities using a parasitic layer is proposed for 5G new radio (NR) frequency range 1 (FR-1) applications. The antenna is a dual-port ...
  • Design of minimum nonlinear distortion reconfigurable antennas for next-generation communication systems 

    Ramírez Arroyave, Germán Augusto; Barlabe Dalmau, Antoni; Pradell i Cara, Lluís; Araque Araque, Javier Leonardo; Cetiner, Bedri Artug; Jofre Roca, Lluís (2021-04-01)
    Article
    Open Access
    Nonlinear effects in the radio front-end can degrade communication quality and system performance. In this paper we present a new design technique for reconfigurable antennas that minimizes the nonlinear distortion and ...
  • Technology assessment of aperture coupled slot antenna array in Groove Gapwaveguide for 5G millimeter wave applications 

    Zhou, Ivan; Jofre Roca, Lluís; Romeu Robert, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Article
    Open Access
    A compact triple-layer series fed slot unit array using Groove Gap Waveguide (GGW) technology for 5G millimeter-wave applications is presented in this paper. The design employed a two-step coupling mechanism for the radiating ...
  • On the wireless microwave sensing of bacterial membrane potential in microfluidic-actuated platforms 

    Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Jofre Roca, Lluís (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-14)
    Article
    Open Access
    The investigation of the electromagnetic properties of biological particles in microfluidic platforms may enable microwave wireless monitoring and interaction with the functional activity of microorganisms. Of high relevance ...

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