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Ara es mostren els items 20756-20775 de 245841

    • Antenna array configurations for massive MIMO outdoor base stations 

      Artiga Campos, Xavier; Perruisseau Carrier, Julien; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Massive MIMO predicts unprecedented capacity and energy efficiency improvements in future networks, by the use of base stations with hundreds of antennas. However the crucial question of determining suitable, or even ...

    • Antenna arrays for multipath and interference mitigation in GNSS receivers 

      Seco Granados, Gonzalo (Universitat Politècnica de Catalunya, 2000-12-01)
      Tesi
      Accés obert
      Esta tesis aborda la sincronización de una o varias réplicas de una señal conocida recibidas en un entorno con propagación multicamino e interferencias direccionales. Uno de los hilos conductores de este trabajo es la ...

    • Antenna beam steering and beam forming at mm Wave and THz frequencies 

      Vega Piña, Sara (Universitat Politècnica de Catalunya, 2021-01-20)
      Projecte Final de Màster Oficial
      Accés obert
      The evolution of wireless communications and the emergence of novel applications will spur the demand of higher data rates, requiring, on one hand, unallocated spectrum in the millimeter Wave (mm-Wave) and Terahertz (THz) ...

    • Antenna design for microwave colonoscopy 

      Sont Colomer, Roberto (Universitat Politècnica de Catalunya, 2019-10)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat

    • Antenna input impedance measurement using multi-load MST 

      Romeu Robert, Jordi; Capdevila Cascante, Santiago; Bolomey, Jean Charles; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the practical use of modulated scatterer technique (MST) for the measurement of the antenna input impedance using a multi-load automatic switching device, and it also includes the analysis of the ...

    • Antenna microstrip miniatura y de alta directividad basada en el fractal de Sierpinski 

      Puente Baliarda, Carles; Borja Borau, M. Carmen; Anguera Pros, Jaume (Unión Científica Internacional de Radio (URSI), 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      he unique geometrical properties of fractals have been proven to be useful to design advanced antennas. Enhanced performance in terms of size, gain or multifre- quency behaviour is observed in fractal-shaped antennas. Here, ...

    • Antenna microstrip triplebanda basada en el triangulo fractal de Sierpinski 

      Anguera Pros, Jaume; Martínez, Enrique; Puente Baliarda, Carles; Borja, C.; Soler, Jordi (UPV, 2005)
      Text en actes de congrés
      Accés obert

    • Antenna Modeller for Synthetic Aperture Radar Applications. Electromagnetic and Radiometric Considerations 

      Calafell Rueda, Irene (Universitat Politècnica de Catalunya, 2011-02-17)
      Projecte Final de Màster Oficial
      Accés obert
      The objective of the present Master Thesis is designing an optimizer of the excitation coefficients of a phased array antenna.

    • Antenna packaging for in-body applications 

      Romeu Robert, Jordi; González López, Giselle; Blanch Boris, Sebastián; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      A cylindrical mode expansion of the fields produced by an embedded antenna is used to determine the dimensions of the antenna packaging in order to minimize antenna impedance changes when the antenna is immersed in a varying ...

    • Antenna reconfigurability based on a novel parasitic pixel layer 

      Rodrigo López, Daniel; Damgaci, Yasin; Unlu, M.; Cetiner, Bedri Artug; Romeu Robert, Jordi; Jofre Roca, Lluís (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A novel reconfiguration method based in the use of pixel surfaces as parasitic elements is presented. This concept can be used to provide reconfigurability to a wide variety of non-reconfigurable antennas without requiring ...

    • Antenna subset selection for spatial modulation: a novel and energy efficient single RF technique 

      Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, we propose a closed-loop and single RF multiple-input-multiple-output (MIMO) method, particularly suitable for the Uplink of cellular systems, which is based on the low-complexity and recently devised method ...

    • Antenna system for a Mars spacesuit simulator 

      Claramunt Codinas, Marc (Universitat Politècnica de Catalunya, 2020-07)
      Treball Final de Grau
      Accés obert
      Space exploration is constantly pushing the limits of the existing technology, overcoming the challenges it proposes is a human exercise that expands our scientific knowledge and technological capacities. This industry ...

    • Antennas 

      Bertran Albertí, Eduardo (Universitat Politècnica de Catalunya, 2023-05-29)
      Apunts
      Accés obert

    • Antennas based on low-cost thermoplastic polymer substrates for communication in the industrial, scientific and medical radio band 

      Gil Galí, Ignacio; Colom Fajula, Xavier (2019-05-10)
      Article
      Accés obert
      This work addresses the design guidelines, manufacturing process and experimental test of several antennas based on low cost and low loss thermoplastic polymer substrates. The proposed antennas are based on patch topologies ...

    • Antennas for small mobile terminals 

      Obrador Ruiz, Jordi (Universitat Politècnica de Catalunya, 2008-06-04)
      Projecte Final de Màster Oficial
      Accés obert
      Digital Video Broadcasting for Handheld Terminals (DVB-H) is a service based on DVB-T (for terrestrial broadcasting). Some differences and changes must be considered to adapt the existing DVB-T technology to the ...

    • Anteproyecto almacén frigorífico con capacidad de almacenamiento para 720 pallets de productos horto-frutícolas frescos, situado en Sant Boi de Llobregat, Barcelona 

      Amezcua Garcia, Alejandro (Universitat Politècnica de Catalunya, 2016-10-26)
      Treball Final de Grau
      Accés obert
      This Final Degree Project consists in a draft for a coldstore designed to preserve fresh fruits and vegetables, mainly tropical & climacteric produce. Its emplacement is considered as a strategical value for this project, ...

    • Anteproyecto buque portacontenedores 

      Esparza Vázquez, Remedios (Universitat Politècnica de Catalunya, 2015-02)
      Treball Final de Grau
      Accés restringit per decisió de l'autor

    • Anteproyecto buque portacontenedores 

      Esparza Vázquez, Remedios (Universitat Politècnica de Catalunya, 2015-03)
      Treball Final de Grau
      Accés restringit per decisió de l'autor

    • Anteproyecto de construcción de una estación de transferencia y adecuación de un punto limpio en el Pallars Sobirà 

      Garcia Gimenez, Helena (Universitat Politècnica de Catalunya, 2017-10-17)
      Treball Final de Grau
      Accés obert
      This final degree essay the preparation of a preliminary project for the construction of a transfer station and upgrade of an existing clean point in the municipality of Esterri d'Àneu. This facilities will serve 2,147 ...

    • Anteproyecto de la construcción de un hangar en el aeropuerto de Lleida-Alguaire. 

      Soler Barberan, Maria (Universitat Politècnica de Catalunya, 2022-07-20)
      Treball Final de Grau
      Accés obert
      The aim of this end-of-degree project is to respond to the needs of the Lleida-Alguaire airport for new hangars in its new business model as an industrial airport. To this end, the project consists of two phases: On the ...