Now showing items 21-40 of 167

    • Architecting optimized spaceborne Earth observation missions 

      Llaveria Godoy, David; Araguz López, Carles; Camps Carmona, Adriano José; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Restricted access - publisher's policy
      Spaceborne constellations composed by several heterogeneous platforms are an actual solution to undertake Earth Observation missions. However, designing such missions present problems due to the heterogeneity and the ...
    • Assessment of back-end RFI mitigation techniques in passive remote sensing 

      Querol Borràs, Jorge; Alonso Arroyo, Alberto; Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Camps Carmona, Adriano José (2015)
      Conference lecture
      Restricted access - publisher's policy
      Radio-Frequency Interference (RFI) is a growing problem specially for those systems that work with low power signals such as passive remote sensing instruments. Consequently, RFI mitigation techniques are currently under ...
    • Automatización de un proceso para identificación y control de elementos hospitalarios en zonas de paso 

      Casas Schmitt, Guillem (Universitat Politècnica de Catalunya, 2015-10-14)
      Bachelor thesis
      Open Access
      Aquest projecte es basa en l'ús de la tecnologia RFID (acrònim de l'anglès Radio Frequency IDentification) per al control i la traçabilitat dels diferents elements existents en un centre hospitalari. Per tant, l'objectiu ...
    • Banco de pruebas de comuniciones en banda L 

      Morales Bustos, Mª Lourdes (Universitat Politècnica de Catalunya, 2012-11-30)
      Bachelor thesis
      Open Access
      In this Thesis work an analysis has been carried out about the subject 'Enginyeria de RF' which is included in the curriculum of the 'Grado in Ingeniería de Sistemas de Comunicación of the Escola d'Enginyeria de Telecomunicació ...
    • Campanya de mesures de l'ocupació de l'espectre al Campus Nord de la UPC 

      Solé Cabrera, Arnau (Universitat Politècnica de Catalunya, 2016)
      Master thesis (pre-Bologna period)
      Open Access
      Nowadays, there is a lack of radio-channels (frequencies) where the new telecommunications systems can operate. The most part of the available radio-channels have been statically allocated and only can work with one specific ...
    • Caracterizació experimental de circuits RF basada en sensors integrats 

      Olivé i Muñiz, Marçal (Universitat Politècnica de Catalunya, 2020-01)
      Bachelor thesis
      12 months embargo
      La constante mejora en fabricación de transistores reduciendo su tamaño ha supuestoacentuar efectos de variabilidad en su rendimiento. Para poder mitigar los efectos de estavariabilidad, el chip PAAGEANT tiene como objetivo ...
    • Caractérisation des signaux radio avec des outils de traitement d’images 

      Morral Adell, Gemma (Universitat Politècnica de Catalunya, 2011-05-09)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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 ...
    • Circuito captador de energía de radiofrecuencia 

      González Rodríguez, Joaquín (Universitat Politècnica de Catalunya, 2013-10-29)
      Bachelor thesis
      Restricted access - author's decision
      We can use radio frequency energy in order to fuel autonomous sensors. This energy can be which is radiated into the environment or directly from a source dedicated to it. For this we will use antennas which will receive ...
    • Communication and localization in the context of aerial robotics (UAVs) 

      Saez I Mediavilla, Adria (Universitat Politècnica de Catalunya, 2018-06)
      Bachelor thesis
      Open Access
      This project consists on the communication and localization of a drone (Mobile Station MS). In order to do so, several simulations have been done with Matlab to send and receive bits, as well as for simulating the ToA (Time ...
    • Comunicación por RF entre microcontroladores PIC18 mediante el módulo NRF24L01 

      Sanz Fernández, Pablo (Universitat Politècnica de Catalunya, 2014-06)
      Master thesis (pre-Bologna period)
      Open Access
      En este proyecto de fin de carrera se ha llevado a cabo el diseño de unas librerías en lenguaje C para el uso eficiente de un módulo de Radio Frecuencia (RF) modelo nRF24L01 de modo que permita establecer una comunicación ...
    • Control de trazabilidad de fruta mediante un sistema RFID 

      Asensio Nácher, Sergi (Universitat Politècnica de Catalunya, 2015-06)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Control of the back-end and positioning systems of the MERITXELL radiometer 

      Gómez López, José Javier (Universitat Politècnica de Catalunya, 2017-01)
      Bachelor thesis
      Open Access
      The aim of this project was the implementation of a software to position and obtain the desired measurements by a radiometer called MERITXELL. To satisfy the goals, this project was divided in three blocks (radiometer ...
    • CPICH power optimization for MIMO HSDPA networks 

      Mateu Torrelló, Andreu (Universitat Politècnica de Catalunya, 2009-04-15)
      Master thesis (pre-Bologna period)
      Open Access
      The increasing demand of bandwidth from new network services has reached mobile technologies. Multiple-input multiple-output (MIMO) High-speed downlink packet access (HSDPA) can be the answer to this demand, being able ...
    • Desarrollo de una aplicación basada en RF mediante microcontroladores programados en Python 

      Gustems Maestre, Roger (Universitat Politècnica de Catalunya, 2015-09)
      Bachelor thesis
      Open Access
      En este trabajo de fin de grado se ha llevado a cabo el diseño una aplicación basada en lenguaje Python que permite establecer una comunicación por Radio Frecuencia (RF) entre un microcontrolador (Pyboard con MicroPython) ...
    • Desenvolupament d'un mètode de mesura de senyals transitòries radiades per avaluar la immunitat de sistemes de comunicació digitals. 

      Pous Solà, Marc (Universitat Politècnica de Catalunya, 2009-06-22)
      Master thesis (pre-Bologna period)
      Open Access
    • Desenvolupament de mesures avançades de senyals RF per processat digital 

      Garrido Casas, Marc (Universitat Politècnica de Catalunya, 2019-07-03)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Design a MIMO solution for 4G applications with Virtual Antenna™ Technology 

      Oliva, Marc (Universitat Politècnica de Catalunya, 2018-07)
      Bachelor thesis
      Restricted access - author's decision
      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 construction of a laboratory prototype of an intelligent display stand based on RFID technology 

      Oller Camaute, Núria (Universitat Politècnica de Catalunya, 2008-11-24)
      Master thesis
      Restricted access - author's decision
      The intelligent display stand is a product based in pervasive computing technologies embedded in the environment in a non-intrusive way. To do this it is necessary to use “invisible” devices that are unnoticed and connected ...
    • Design and fabrication of coplanar YBCO structures on lithium niobate substrates 

      Rozan, Edouard; Collado Gómez, Juan Carlos; Garcia, Alfredo; O'Callaghan Castellà, Juan Manuel; Pous Andrés, Rafael; Fàbrega Sanchez, Lourdes; Rius Casals, Juan Manuel; Rubí, R; Fontcuberta, J; Harackiewicz, F (1999-06)
      Article
      Open Access
      YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// (YBCO) with low RF losses has been successfully deposited onto lithium niobate (LNO) to improve the performance of electrooptic Mach-Zender modulators. Epitaxial, c-axis oriented ...
    • Design of a RF communication receiver front-end for ultra-low power and voltage applications in a FDSOI 28nm technology 

      Álvarez Sabaté, Àlex (Universitat Politècnica de Catalunya, 2019-05-31)
      Master thesis
      Open Access
      The advances in the semiconductor and wireless industry have enabled the expansion of new paradigms, which have given rise to concepts like Internet of Things (IoT). Apart from qualities like size, speed or cost, the ...