El grup basa la seva activitat en la investigació de nous circuits, tècniques i metodologies per al desenvolupament de transceptors i implementació de capa ràdio de sistemes de comunicacions avançats. Les activitats del grup se centren tant en solucions maquinari com en solucions software específiques, focalitzades en les següents temàtiques: Desenvolupament de tècniques avançades de disseny de filtres, circuits passius reconfigurables, filtres i xarxes d'adaptació d'antenes i amplificadors, caracterització i modelització del comportament no lineal de circuits passius i actius, tècniques de reducció del factor de cresta (CFR) i pre-distorsió digital (DPD) per a la linealització d'amplificadors, tècniques de seguiment d'envoltant per incrementar l'eficiència d'amplificadors, noves arquitectures ràdio basades en forma d'ona middleware software design radio per a entorns cloud computing, gestió de recursos del sistema per a millorar l'eficiència energètica dels equips de comunicació.

http://futur.upc.edu/CSC

Envíos recientes

  • A multistate single-connection calibration for microwave microfluidics 

    Orloff, Nathan D.; Ma, Xiao; Little, Charles A. E.; Mateu Mateu, Jordi (IEEE Microwave Theory and Techniques Society, 2017-10-12)
    Artículo
    Acceso abierto
    With emerging medical, chemical, and biological applications of microwave-microfluidic devices, many researchers desire a fast and accurate calibration that can be achieved in a single connection. However, traditional ...
  • Three-element filtering antenna array designed by the equivalent circuit approach 

    Kufa, Martin; Raida, Zbynek; Mateu Mateu, Jordi (2016-09-01)
    Artículo
    Acceso abierto
    This paper introduces a design methodology of a third-order three-element patch array that has no filtering parts and yet behaves like a filtering antenna (filtenna). The design approach includes shaping the frequency ...
  • Analysis of the optimum gain of a high-pass l-matching network for rectennas 

    Gasulla Forner, Manuel; Jordana Barnils, José; Sánchez Robert, Francesc Josep; Berenguer Sau, Jordi (MDPI AG, 2017-07-25)
    Artículo
    Acceso abierto
    Rectennas, which mainly consist of an antenna, matching network, and rectifier, are used to harvest radiofrequency energy in order to power tiny sensor nodes, e.g., the nodes of the Internet of Things. This paper demonstrates ...
  • Tunable substrate integrated waveguide resonators 

    Mira, Fermin; Mateu Mateu, Jordi; Collado Gómez, Juan Carlos (2012-09-01)
    Artículo
    Acceso abierto
    This paper presents a novel approach for providing SIW tunable resonators by means of placing an additional metalized via-hole on the waveguide cavity. The via-hole contains an open-loop slot on the top metallic wall. The ...
  • Nonlinear effects of electrode and bragg reflector materials in BAW resonators 

    García Pastor, David; González Rodríguez, Marta; Hueltes Escobar, Alberto; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; González Arbesú, José María; Kreuzer, Susanne; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    This work presents a broadband characterization and modeling of the second harmonic nonlinear response in Bulk acoustic wave (BAW) resonators. The proposed circuit model is based on the constitutive equations describing ...
  • A real time emulator of the UMTS lower layers for the wineglass demonstrator 

    Gelonch Bosch, Antonio José; Revés Ballesté, Xavier; Umbert Juliana, Anna; Ferrús Ferré, Ramón Antonio; Casadevall Palacio, Fernando José (European Commission, 2000)
    Texto en actas de congreso
    Acceso abierto
    In this paper, a general description of the main features of a Real Time Emulator, which emulates the lower layers of the UMTS Radio Access system, is presented. For the physical layer, the emulation model is based on the ...
  • Comprehensive circuit model of autolimiting superconductor devices 

    Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Hueltes Escobar, Alberto; O'Callaghan Castellà, Juan Manuel; García Pastor, David; Perea Robles, Rafael; Joshi, N.; Lu, X.; Orloff, Nathan D.; Booth, James C. (2017-06-01)
    Artículo
    Acceso abierto
    This paper presents a phenomenological equivalent circuit to model the phenomenon occurring when a section of superconducting transmission line transits from a superconducting state to a normal state. This phenomenon allows ...
  • Joint antenna diversity and combined DFE/decoding of trellis coded modulation on frequency-selective fading mobile radio channels 

    Gelonch Bosch, Antonio José (Institute of Electrical and Electronics Engineers (IEEE), 1993)
    Texto en actas de congreso
    Acceso abierto
    A Monte Carlo simulation study of a combined FDMA/TDMA slow frequency-hopping trellis coded adaptive receiver for multipath Rayleigh fading channels is presented. The receiver structure, first proposed by Proakis (1989) ...
  • Modelización y estudio de reguladores de velocidad de diferentes tecnologías a partir de resultados experimentales 

    Bertran Albertí, Eduardo; Herranz Luis, Jaime; Munilla, I. (Asociación Española de Informática y Automática (AEIA), 1985)
    Texto en actas de congreso
    Acceso abierto
    Se describen y modelan tres reguladores de velocidad de diferentes concepciones y tecnologías: El primero de turbina Kaplan y tecnología oleo-mecánica, los otros dos de turbinas Francis, uno oleo-mecánico y el otro ...
  • Performance of soft-output equalization and convolutional coding over frequency-selective fading radio channels 

    Valdominos Bardají, Antonio; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 1993)
    Texto en actas de congreso
    Acceso abierto
    This paper presents an analysis of soft-output equalization and coding techniques applied to 4 and 16-QAM TDMA radio systems for frequency selective fading channels. In particular, typical urban and hilly terrain environments ...
  • Three-port frequency-selective absorptive limiter 

    Hueltes Escobar, Alberto; Rocas Cantenys, Eduard; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Orloff, Nathan D.; Booth, James C.; García Pastor, David; Perea Robles, Rafael (2017-04-24)
    Artículo
    Acceso abierto
    This letter describes a novel three-port absorptive limiter for frequency-selective circuits based on a configuration similar to a conventional 90° hybrid coupler. This circuit uses the switching behavior of common diodes ...
  • Telecomunicacions 

    Berenguer Sau, Jordi (Enciclopèdia Catalana, SLU, 2017-01)
    Capítulo de libro
    Acceso restringido por política de la editorial
    L’Anuari 2016 recull els fets, les personalitats, els avenços científics i els temes de debat que han estat més presents en l’àmbit públic al llarg d’aquest any. Tenen l’origen en l’Anuari publicat el 2015, els continguts ...

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