Now showing items 1-10 of 10

  • Accuracy evaluation of probabilistic location methods in UWB-RFID systems 

    Núñez Álvarez, Christian; Crespo Cintas, Cristian (Universitat Politècnica de Catalunya, 2010-06-01)
    Master thesis
    Open Access
  • Antenas pequeñas para UWB 

    Roura Cruz, Mireia (Universitat Politècnica de Catalunya, 2012-05-17)
    Bachelor thesis
    Open Access
    En la actualidad, las tecnologías de transmisión de datos se encuentran en todos los ámbitos y son utilizadas por todo tipo de usuarios. En general las diferentes tecnologías persiguen un máximo aprovechamiento del canal ...
  • High-efficiency dual-polarized patch antenna array with common waveguide feed 

    Vilaltella Esteve, Robert (Universitat Politècnica de Catalunya, 2013-11)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Universität Stuttgart
    [ANGLÈS] A concept for a dual-polarized patch antenna array with large bandwidth and high efficiency is proposed. A short overmoded waveguide section is connected to a square feed waveguide on one side, and to the common ...
  • Joint TOA and DOA estimation compliant with IEEE 802.15.4a standard 

    Lagunas Targarona, Eva; Nájar Martón, Montserrat; Navarro, Monica (2010)
    Conference report
    Open Access
    Ultra-WideBand (UWB) technology offers the potential of achieving high ranging accuracy through signal Time-Of-Arrival (TOA) measurements, even in harsh enviroments due to its ability to resolve multipath and penetrate ...
  • Optimización mediante PSO del perfil resistivo de un monopolo cargado para aplicaciones UWB 

    Herrero Devroye, Jose Luís (Universitat Politècnica de Catalunya, 2008-07-28)
    Master thesis (pre-Bologna period)
    Open Access
    En los últimos años ha sido imparable el auge y el uso generalizado de tecnologías como Internet, la telefonía móvil, sistemas de radionavegación, etc. En paralelo, y debido a la comodidad que conlleva, también se ...
  • Performance analysis of power amplifier back-off levels in UWB transmitters 

    Bertran Albertí, Eduardo; O'Droma, Máirtín; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2007-11)
    Article
    Open Access
    This paper focuses on the interplay between data throughput and battery duration in UWB units, both of which the most perceptible at the user’ level. The potential benefits of enlarging the power amplifier back-off ...
  • Sensor fusion methods for indoor navigation using UWB radio aided INS/DR 

    Borràs Sillero, José (Universitat Politècnica de Catalunya / Kungl. Tekniska högskolan, 2012-07)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Kungliga Tekniska högskolan
    [ANGLÈS] Some applications such as industrial automation, cargo handling, warehouse managing, monitoring of autonomous robot or personnel localization, require reliable indoor positioning. In particular, the requirement ...
  • Sparse channel estimation based on compressed sensing theory for UWB systems 

    Lagunas Targarona, Eva (Universitat Politècnica de Catalunya, 2010-12-23)
    Master thesis
    Open Access
    Català: L'estimació de canal en receptors wireless esdevé un factor determinant a l'hora de incrementar les prestacions dels sistemes sense fils per tal de satisfer les exigències cada vegades més elevades dels consumidors ...
  • TOA Estimation in UWB: Comparison between time and frequency domain processing 

    Lagunas Targarona, Eva; Taponecco, Lorenzo; Nájar Martón, Montserrat; D'Amico, Antonio (2010)
    Conference report
    Open Access
    A comparison between time and frequency domain TOA estimators compliant with the 802.15.4a Standard has been made. The time domain estimator is done in two stages. One has the goal of identify the rst pulse in each symbol ...
  • Ultra-Wideband (UWB) rectenna design for Electromagnetic Energy Harvesting 

    Meneses Ghiglino, César (Universitat Politècnica de Catalunya, 2010-10)
    Master thesis (pre-Bologna period)
    Open Access
    This work focuses on designing, fabricating, measuring and testing each component of a Rectenna. A rectenna consists of an antenna and a rectifier circuit that is optimized for incoming signals of low power density. This ...