Exploració per tema "Radiofrequency"

Ara es mostren els items 1-20 de 22

    • Caractérisation des signaux radio avec des outils de traitement d’images 

      Morral Adell, Gemma (Universitat Politècnica de Catalunya, 2011-05-09)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   École nationale supérieure des télécommunications
      Català: Ens basem en una representació 2D en temps-freqüència dels senyals rebuts després d'una detecció no-coherent ("square law detector" és a dir, es prèn el módul al quadrat de les NFFT dels senyals rebuts dins una ...

    • Comparativa de capacidad y cobertura en un estadio entre 4G y 5G (mmWave) 

      Gasanz i De León, Víctor (Universitat Politècnica de Catalunya, 2022-02-03)
      Treball Final de Grau
      Accés obert
      This project presents an analysis of the state of the art of mobile communications. A brief introduction to the history of mobile telephony and the predecessor generations is shown. The spectrum available in Europe for the ...

    • Desenvolupament d'un sistema de control per assaigs de Compatibilitat Electromagnètica: Immunitat radiada i conduïda 

      Solé Lloveras, Jordi (Universitat Politècnica de Catalunya, 2020-05)
      Treball Final de Grau
      Accés obert
      Each electronic device with commercial purposes within the European Union shall declare the EMC normative compliance. One the requirements consists on assuring that the device continues operating as intended when electromagnetic ...

    • Design a MIMO solution for 4G applications with Virtual Antenna™ Technology 

      Oliva, Marc (Universitat Politècnica de Catalunya, 2018-07)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      With the antenna provided by the company, design a MIMO solution for 4G applications in a platform with similar dimensions of current mobile phones.

    • Design and implementation of a RFI monitoring payload for the 5G 24 GHz bands for poketqubes 

      Alcántara Villaverde, Adrián (Universitat Politècnica de Catalunya, 2022-07-05)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      The project developed in this thesis consists of creating a PocketQube payload in charge of monitoring the 24 to 25 GHz band to enforce that the emissions of the 5G communications band are within limit. In this thesis, the ...

    • Design of planar probes for stent monitoring 

      Amorós García de Valdecasas, Susana (Universitat Politècnica de Catalunya, 2016-07-28)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat

    • Design of the Wireless Telecommunication System of an Autonomous Solar Vehicle 

      Moyà Porcel, Rafel (Universitat Politècnica de Catalunya, 2011-03-28)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Eidgenössische Technische Hochschule Zürich
      English: The Automatic Control Lab at the Swiss Federal Institute of technology Zurich (ETH) is currently designing and building an autonomously driving solar vehicle (ASV). Having the size of a Radio Control Model Car, ...

    • Disseny i implementació d'un sistema adaptatiu de cancel·lació d'ecos per a Gap-Fillers de TV i Ràdio Digital 

      Casals Bartés, Raimon (Universitat Politècnica de Catalunya, 2016-07)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat

    • Estudi sobre el desplegament de small-cells en bandes mil·limètriques 

      Outumuro Martín, Diego (Universitat Politècnica de Catalunya, 2016-05)
      Projecte/Treball Final de Carrera
      Accés obert
      In today’s world, the information technologies are increasing its implications on society. In particular, mobile communications are becoming one of the most important economical engines of the last years due to its high ...

    • Implementación de una librería Java para comunicación con tarjetas Mifare DESFire 

      Rodríguez Algarra, Francisco (Universitat Politècnica de Catalunya, 2015-07-14)
      Projecte/Treball Final de Carrera
      Accés obert
      Short range communication technologies are receiving growing attention in the last few years thanks, mainly, to the advantages that they offer in easiness and usage comfortability. The number of mobile devices that include ...

    • Indoor building materials structural analysis through non-destructive near-field penetration loss measurements 

      Xargay Ferrer, Martí (Universitat Politècnica de Catalunya, 2023-07-05)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Aalto-yliopisto. Sähkötekniikan korkeakoulu
      Non-destructive material measurements for structural analysis of building elements are a valuable tool in situations where invasive techniques are unfeasible. In this work, a free-space penetration loss measurement technique ...

    • Introduction to Radio-frequency Identification (RFID) 

      Blázquez Fernández, Carlos (Universitat Politècnica de Catalunya, 2019-07-10)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Akademia Górniczo-Hutnicza im. S. Staszica w Krakowie
      This project presents the fundamental aspects of the RFID (Radio-frequency identifica-tion) technology used to establish wireless communications. The project focuses on thepassive mode of RFID, where the receiver does not ...

    • Measurement and Analysis of radio wave propagation in an indoor environment at 28 GHz 

      Cavero Carreras, Pol (Universitat Politècnica de Catalunya, 2022-07-05)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Aalto-yliopisto
      Millimeter wave frequencies are utilized in modern wireless systems to satisfy the increasing demand in bandwidth. This study aims to gain more knowledge of radio wave propagation in an entrance hall environment at 28 GHz ...

    • Monitorización de datos con módulos de radiofrecuencia de bajo consumo en el ámbito agrícola 

      Ferrer Riverola, Álvaro (Universitat Politècnica de Catalunya, 2018-07-09)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      [CASTELLÀ] En este proyecto se pretende diseñar, implementar y realizar el montaje de una pequeña WSN (Wireless Sensor Network) de dos nodos bajo el concepto de low-cost. Se aspira a conseguir un producto que sea capaz de ...

    • Planar Near-field Measurements of mm-Wave and sub-THz Antennas 

      Jurado Pérez, Isabel (Universitat Politècnica de Catalunya, 2022-10-24)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Heinrich Hertz Institute
      This project involves all the theoretical and practical steps which have to be taken in order to perform a setup for planar near-field antenna measurements for antenna radiation characterization and/or other purposes.

    • Planck-LFI 44-GHz back end module 

      Aja, Beatriz; Pascual, Juan Pablo; Fuente, Luisa de la; Detratti, M.; Artal Latorre, Eduardo; Mediavilla, Asier; Paco Sánchez, Pedro Antonio de; Pradell i Cara, Lluís (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-10-31)
      Article
      Accés obert
      This work describes the principle of operation, assembly and performance of one branch of the 44 GHz back end module (BEM) for the Planck low frequency instrument (LFI). This subsystem constitutes a fully representative ...

    • R4D: Brain stimulation using RF and AM modulation 

      Orero López, Albert (Universitat Politècnica de Catalunya, 2017-05)
      Treball Final de Grau
      Accés obert
      There are some previous experiments in which they demonstrate that radiofrequency radiation affects the brain electrical activity. So the purpose of this project is to study and develop a simulation through a device to ...

    • Radiation effects of wearable antenna in human body tissues 

      Soler González, Francesc (Universitat Politècnica de Catalunya, 2014-05-26)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   University of Colorado Colorado Springs
      [ANGLÈS] Nowadays humankind live completely surrounded by many wireless devices. Modern society lives and works with wireless applications such as mobile phones, GPS devices or other wireless devices that make our life ...

    • Radio Frequency communication for modular robots 

      Arimany Castells, Guillem (Universitat Politècnica de Catalunya / Syddansk universitet, 2011)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Syddansk universitet
      We explore the suitability of Wireless Radio Frequency (RF) inter-module communication for modular robots. Our hypothesis is that, instead of using Infrared (IR) and wired links, RF could be used for module localization ...

    • Recolector de energía de radiofrecuencia en la banda ISM de 868 MHz 

      Ghouddana Conde, Omar (Universitat Politècnica de Catalunya, 2022-03-22)
      Treball Final de Grau
      Accés obert
      This TFG take advantage of the electromagnetic energy in the environment to power autonomous sensors, proposes two circuits for energy harvesting (simple circuit and doubler circuit) which are mainly composed of an antenna, ...