Now showing items 1-13 of 13

  • Assessment of LTCC-based dielectric flat lens antennas and switched-beam arrays for future 5G millimeter-wave communication systems 

    Imbert Villà, Marc; Romeu Robert, Jordi; Baquero Escudero, M.; Martinez Ingles, Maria Teresa; Molina-Garcia Pardo, Jose Maria; Jofre Roca, Lluís (2017-10-30)
    Article
    Open Access
    IEEE This paper presents design, LTCC fabrication, and full experimental verification of novel dielectric flat lens antennas for future high data rate 5G wireless communication systems in the 60 GHz band. We introduce and ...
  • Design and Assessment of the Performance of a Bidirectional Metamaterial Spacer in a Compact Multiple-Antenna System 

    Imbert Villà, Marc (Universitat Politècnica de Catalunya, 2013-06-04)
    Master thesis
    Restricted access - publisher's policy
    [ANGLÈS] In this master thesis, a bidirectional low-loss and high-isolation AMC spacer composed of spiral resonators and metal strips has been designed to efficiently decouple and decorrelate two closely spaced antennas ...
  • Design and performance evaluation of a dielectric flat lens antenna for millimeter-wave applications 

    Imbert Villà, Marc; Papió, Anna; de Flaviis, Franco; Jofre Roca, Lluís; Romeu Robert, Jordi (2015-01-01)
    Article
    Open Access
    In this letter, a practical fabrication of a novel inhomogeneous gradient-index dielectric flat lens for millimeter-wave applications is presented. A previous theoretical design of a dielectric flat lens composed of different ...
  • Design and performance evaluation of a dielectric flat lens for millimeter-wave applications 

    Imbert Villà, Marc; Papió, Anna; de Flaviis, Franco; Jofre Roca, Lluís; Romeu Robert, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    In this paper, a practical fabrication of a dielectric flat lens for millimeter-wave applications is presented. A previous theoretical dielectric flat lens antenna design, consisting of a set of concentric rings with ...
  • Design and performance evaluation of a switched-beam antenna array for 60 GHz WPAN applications 

    Imbert Villà, Marc; Papió Toda, Anna; de Flaviis, Franco; Jofre Roca, Lluís; Romeu Robert, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    In this paper, the design and performance evaluation 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 ...
  • Design and performance evaluation of millimeter-wave flat lens antennas for communications, radar and imaging applications 

    Imbert Villà, Marc (Universitat Politècnica de Catalunya, 2016-07-29)
    Doctoral thesis
    Open Access
    Millimeter-wave systems introduce a set of particular severe requirements from the antenna point of view in order to achieve specific performances. In this sense, high directive antennas are required to overcome the huge ...
  • Design of a dielectric flat lens antenna for 60 GHz WPAN applications 

    Imbert Villà, Marc; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Restricted access - publisher's policy
    In this paper we present the design of a dielectric flat lens antenna to operate in the 60 GHz band for WPAN applications. In order to overcome the specific atmospheric attenuation, which characterizes the propagation in ...
  • Disseny d’una pantalla bidireccional AMC per a un sistema compacte d’antenes a 2.45 GHz 

    Imbert Villà, Marc (Universitat Politècnica de Catalunya, 2010-05)
    Master thesis (pre-Bologna period)
    Open Access
    Les altes exigències dels recents sistemes de comunicació sense fils fan abocar gran part dels esforços al disseny i desenvolupament de les antenes, sobretot a l’hora de cobrir alguns dels principals requeriments d’un ...
  • 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)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • LTCC-based dielectric flat lens performance evaluation at 94 GHz 

    Imbert Villà, Marc; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís; Baquero Escudero, M. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    The design and performance evaluation of an inhomogeneous LTCC-based dielectric flat lens at 94 GHz is presented. A previously introduced dielectric flat lens design with its effective permittivity (r) circularly distributed ...
  • Matching layer design to improve the performance of an inhomogeneous dielectric flat lens at millimeter-wave frequencies 

    Imbert Villà, Marc; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    In this paper, the design of a matching layer to increase the maximum achievable gain, reduce the back-radiation, and enhance the bandwidth performance of a dielectric flat lens antenna for millimeter-wave applications is ...
  • 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)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • Three-dimensional microfabricated broadband patch antenna for wiGig applications 

    Mopidevi, Hema Swaroop; Hurneli, H. V.; Cagatay, E.; Biyikli, N.; Imbert Villà, Marc; Romeu Robert, Jordi; Jofre Roca, Lluís; Cetiner, Bedri Artug (2014-01-01)
    Article
    Restricted access - publisher's policy
    The design, microfabrication, and characterization of a broadband patch antenna capable of covering the entire IEEE 802.11ad (WiGig) frequency band (57-66 GHz) are presented in this letter. A conductor-backed (CB) coplanar ...