• Isofrequency-reconfigurable 8-bit RF repeater 

      Díaz Tapia, Edgar; Grau, Alfred; Rodriguez De Luis, Javier; de Flaviis, Franco; Jofre Roca, Lluís (2011-11-02)
      Article
      Accés restringit per política de l'editorial
      A novel isofrequency-reconfigurable RF repeater operating at 4.5 GHz is presented. The repeater uses a total of eight reconfigurable parasitic dipole elements to enhance and reconfigure the isolation level between the ...
    • Ku-band flat lens design for satellite TV applications 

      Imbert Villà, Marc; Romeu Robert, Jordi; Jofre Roca, Lluís; Papió, Anna; de Flaviis, Franco (Institute of Electrical and Electronics Engineers (IEEE), 2014)
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      Accés restringit per política de l'editorial
      In this paper, the design of a dielectric flat lens to operate in the Ku-band for satellite communications is presented. Modern dishes intended for home television are generally bulky and heavy. Moreover, the costs of ...
    • MM-wave scattering measurements for imaging and channel characterization 

      Toda, A.P.; de Flaviis, Franco; Jofre Roca, Lluís; Romeu Robert, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2012)
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      Accés restringit per política de l'editorial
      In this paper, mm-wave band scattering measurements are performed and imaging reconstructions obtained using a 2-D Scatterer Mapping Technique based on a Multi-Frequency Bi-Focusing operator (MF-BF). The measured data ...
    • Switched-beam antenna array for 60 GHz WPAN applications 

      Imbert Villà, Marc; Romeu Robert, Jordi; Jofre Roca, Lluís; Papió, Anna; de Flaviis, Franco (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, the design of a switched-beam antenna array to operate in the 60 GHz band for short-range WPAN applications is presented. In order to overcome the high path-loss attenuation at millimeter-wave frequencies ...
    • UWB MST MEMS-based near-field imaging system 

      Capdevila Cascante, Santiago; Jofre Cruanyes, Marc; Rodríguez, J.; Guardiola Garcia, Marta; Papió, Anna; de Flaviis, Franco; Jofre Roca, Lluís (2008)
      Text en actes de congrés
      Accés obert
      In this paper a new family of illuminators and MST measurement architectures is presented and the di erent aspects are studied.