Exploració per tema "Radioenllaços"

Ara es mostren els items 1-17 de 17

    • A survey of propagation channel modelling for UAV communications 

      Sala Sucarrats, Oriol (Universitat Politècnica de Catalunya, 2018-07)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Universitetet i Linköping
      The purpose of this project is to make a survey about channel propagation models in Air to Ground communications, also found in low altitude Unmanned Aircraft Vehicles links. The project consists on gathering the literature ...

    • Acceso a contenido en plataforma Raspberry Pi 

      Bades, Maria Ramona (Universitat Politècnica de Catalunya, 2016-07-15)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      In this project was developed an application in Android and a script in Python which makes the Bluetooth communication between a mobile device and a Raspberry Pi 2. The communication consists in the transmission data, such ...

    • Ampliació, desplegament i integració del sistema de vídeo vigilància de trànsit a la xarxa municipal de L’Hospitalet de Llobregat 

      Calvera Sanchez, Daniel (Universitat Politècnica de Catalunya, 2018-06-14)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Anàlisi de redundància dels nodes d'una xarxa 

      Gomariz Gimena, Gerard (Universitat Politècnica de Catalunya, 2017-01)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Xarxa Oberta de Catalunya
      The main goal of this project is to provide redundancy to the nodes of a Network, in this case the Network is owned by Xarxa Oberta de Catalunya. Different aspects will be analyzed with the goal to determine if that node ...

    • Análisis y diseño de un radioenlace entre dos estaciones base con simulador de enlaces radio 

      Sánchez Boto, Mario (Universitat Politècnica de Catalunya, 2022-02-10)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   ADTEL
      Nowadays, we live in an era that could be described by the advance of different technologies. Technologies that aim to improve the quality of the humanity life¿s. One of the most important objectives that are taken into ...

    • Avaluació del rendiment a nivell de xarxa en transmissions d'ones mil·limètriques amb efectes de bloqueig 

      Ballester Falcó, Berta (Universitat Politècnica de Catalunya, 2022-07-05)
      Treball Final de Grau
      Accés obert
      With the arrival of 5G networks, higher frequencies need to be used at the mmWave bands in order to find available and broad enough spectral bands. At these high frequencies, with very short wavelengths, any obstacle between ...

    • Comportamiento de un circuito recuperador de portadora en presencia de una propagación multicamino para un radioenlace a 140Mb/s 

      Agustí Comes, Ramon (Unión Científica Internacional de Radio (URSI), 1983)
      Text en actes de congrés
      Accés obert
      This paper gives the variance of the phase recovered by a conventional quadriphase Costas loop in 16 QAM modulation in the presence of selective fading, represented as a two rays simplified model. The phase error variance ...

    • Design of a SDR receiver for P-band signals of opportunity 

      Yrla Obrador, Guillem (Universitat Politècnica de Catalunya, 2022-02-03)
      Treball Final de Grau
      Accés obert
      The use of Signals of Opportunity for Earth Observation is a hot topic nowadays. It consists of using signals already used for some purposes for other purposes, like remote sensing or navigation. The thesis mixes this ...

    • Monitorización de radioenlaces digitales de gran capacidad 

      Agustí Comes, Ramon; Casadevall Palacio, Fernando José (Universidad de Sevilla, 1984)
      Text en actes de congrés
      Accés obert
      In digital radio links, where the transmission quality is determined by the average error rate, a pseudo-error method is presented to monitor the link performance. Results are shown for a 16 QAM modulation system and 140Mb/s ...

    • Monitorización y supervisión remota de aeródromos y helipuertos: equipos y sistemas terminales 

      Agout Perez, Irene (Universitat Politècnica de Catalunya, 2016-02-12)
      Treball Final de Grau
      Accés obert
      "Remote Monitorization and supervision of airfields and heliports: Equipment and terminal systems" attempt to introduce, through three different levels, the minimum equipment needed to implement a remote control tower. The ...

    • Monitorización y supervisión remota de aeródromos y helipuertos: red de transporte 

      Tranche Mendoza, Sergio (Universitat Politècnica de Catalunya, 2016-02-15)
      Treball Final de Grau
      Accés obert
      The Final Project "Remote monitoring of airfields and heliports: Transport Network" focuses on the transport of data generated by the devices installed on the premises of airfields and heliports of Catalonia to a control ...

    • Planejament, anàlisi i realització de radioenllaços mòbils per a TV 

      Heras Miguel, Eduardo (Universitat Politècnica de Catalunya, 2007-07-06)
      Projecte/Treball Final de Carrera
      Accés obert
      Els radioenllaços mòbils, també anomenats semi fixos, ens permeten efectuar una transmissió del senyal de televisió des de qualsevol localització, inclús en punts remots del país, zones boscoses o serralades, sempre que ...

    • Radio-over-Fiber data tranamission 

      Valverde Cabezas, Albert (Universitat Politècnica de Catalunya, 2021-07-05)
      Treball Final de Grau
      Accés obert
      In recent years, a growing number of users require a fast wireless communication to access networks. This demand has had an impact on the increasing amount of radio-over-fiber solutions, as these provide a rapid, reliable ...

    • Radioenlace digital a 11 GHz para telemando y telecontrol 

      Artal, E.; Cardama Aznar, Ángel; Comerón Tejero, Adolfo; Corbella Sanahuja, Ignasi; Elias Fusté, Antoni; Ferrando, Miguel; Jofre Roca, Lluís; de los Reyes, Elías (Institute of Electrical and Electronics Engineers (IEEE), 1984)
      Text en actes de congrés
      Accés obert
      A digital radio-relay link in the band 10.7- 11.7 GHz developed for the remote control system of ENHER is presented. The objectives were the construction of a reliable and yet low-cost transmitter-receiver. To accomplish ...

    • Resource allocation for multi-user massive MIMO sytems 

      Giramé Rizzo, Gerard (Universitat Politècnica de Catalunya, 2018-07-03)
      Treball Final de Grau
      Accés obert
      Much higher area data throughput is required in future cellular networks, since the global demand for wireless data traffic is continuously growing. Massive MIMO is one of the most promising candidate technologies for ...

    • S-band downlink for nanosatellites 

      Fernández Capón, Lara (Universitat Politècnica de Catalunya, 2017-06)
      Treball Final de Grau
      Accés obert
      The development Nanosatellites has experienced an enormous growth in these past years; becoming more complex and versatile. The NanoSat Lab, located in the Universitat Politècnica de Catalunya, aims to explore and develop ...

    • Sparse model identification of a 4x4 MIMO channel measurements in 5 GHz band 

      Esbri Vidal, Laura (Universitat Politècnica de Catalunya, 2018-07)
      Treball Final de Grau
      Accés obert
      The Least Absolute Shrinkage and Selection Operator has gained attention in the applied mathematics and signal processing communities. The thesis provides us theoretical expressions for solving Compressive Sensing by the ...