Browsing by Subject "Ultra-wideband antennas"

Now showing items 1-15 of 15

    • 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 ...

    • Contribución a soluciones de posicionamiento preciso en entornos industriales con UWB 

      Bonett Mendoza, Percy Wilberth (Universitat Politècnica de Catalunya, 2022-10-25)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Covenantee:   Fundació i2cat
      It is intended to work on the implementation and validation of a precise indoor positioning solution based on Ultra-Wideband (UWB) technology. It will start from solutions developed in the Mobile Wireless Internet (MWI) ...

    • Design and characterization of a mobile GPR antenna assembly 

      Nadal Zaragoza, Albert (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      Ground penetrating radars have been tested for detecting trapped alive victims from the ruins of collapsed building, for example due to a mining disaster, rock slide or natural catastrophe. The priority of the rescue teams ...

    • Design and Optimaztion of an Ultra-Wideband, Low-Profile, Dual-Polarized PUMA+ADL Array 

      Nadal Zaragoza, Albert (Universitat Politècnica de Catalunya, 2023-09-15)
      Master thesis
      Restricted access - confidentiality agreement
      Covenantee:   Hensoldt
      In this Thesis, a novel ultra-wideband radiating element for antenna array applications has been investigated. Along with the demanding industry bandwidth requirements for next generation Electronically Steered Antennas ...

    • 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 ...

    • 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 ...

    • UWB mobile phone location use case 

      Díaz Cortés, Eduardo (Universitat Politècnica de Catalunya, 2022-09-15)
      Master thesis
      Restricted access - confidentiality agreement