Ara es mostren els items 1-18 de 18

  • Adaptive radio resource management for ofdma-based macro- and femtocell networks 

    Bezerra Rodrigues, Emanuel (Universitat Politècnica de Catalunya, 2011-07-06)
    Tesi
    Accés obert
    Las demandas y expectativas de los usuarios y operadores móviles crecen sin parar y, consecuentemente, los nuevos estándares han incorporado tecnologías de acceso de radio cada vez más eficientes. Las especificaciones ...
  • Beam alignment for vehicle-to-infrastructure communications using IEEE 802.11ad radar 

    Reus Muns, Guillem (Universitat Politècnica de Catalunya, 2017-10-19)
    Treball Final de Grau
    60 months embargo
    This work suggests a MAC modification of the 802.11ad standard in order to accommodate a radar application that reuses the stanrdard, for communications V2I (Vehicle-to-Infrasatructure). This radar will be used a substitute ...
  • Campanya de mesures de l'ocupació de l'espectre al Campus Nord de la UPC 

    Solé Cabrera, Arnau (Universitat Politècnica de Catalunya, 2016)
    Projecte/Treball Final de Carrera
    Accés obert
    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 ...
  • Construction of a Radio Environment Map of TV White Spaces for Barcelona Metropolitan Area 

    Cervià Caballé, Martí (Universitat Politècnica de Catalunya, 2015-02)
    Treball Final de Grau
    Accés obert
    [ANGLÈS] This thesis covers the construction of a REM (Radio Environment Map) for TV-WS (TV white spaces) for the metropolitan area of Barcelona, and a GUI for accessing it. A REM is a key piece in the implementation of a ...
  • Estudio sobre la integración de sistemas de telecomunicaciones, control y protección al tren en sistemas ferroviarios de transporte urbano 

    Al Maimouni, Hassan (Universitat Politècnica de Catalunya, 2015-05)
    Projecte/Treball Final de Carrera
    Accés obert
    Study the possibility of integrating radio, installed along the railway infrastructure, the various networks into a single network radio with capacity to carry out all services rendered and/or necessary in the railway field.
  • Fairness adaptive resource allocation in OFDMA networks 

    Avgoustidis, Charalampos (Universitat Politècnica de Catalunya / Kungl. Tekniska högskolan, 2010-06)
    Projecte Final de Màster Oficial
    Accés obert
    Realitzat a/amb:  Kungliga Tekniska högskolan
    This thesis work reviews contributions regarding dynamic resource allocation problems in Orthogonal Frequency Division Multiplexing (OFDM) systems, where various system metrics can be improved by periodically reassigning ...
  • Implementación de la capa física del estándar Wimax-2004 

    Padilla Pinedo, Joel (Universitat Politècnica de Catalunya, 2016-06)
    Treball Final de Grau
    Accés obert
    Communications in rural areas, industrial estates outside the village, etc., where the number of users of the system, and therefore the traffic carried is relatively low, have always been a great challenge for telecommunications ...
  • Implementación de terminales de Radio Cognitiva en la banda de TV 

    Perejil Sabaté, Israel (Universitat Politècnica de Catalunya, 2016-03-09)
    Projecte/Treball Final de Carrera
    Accés obert
    In this final project a wireless comunication has been made between two transceivers using a TV White Space (TVWS). The aim is to highlight the main features of Cognitive Radio. For that reason, it has been necessary to ...
  • Implementación de un REM (Radio Environment MAP) en la banda de tv para el campus nord 

    Rodríguez Palacios, Estuardo Gabriel (Universitat Politècnica de Catalunya, 2016-02)
    Projecte/Treball Final de Carrera
    Accés obert
    This project proposes the implementation of REM to the North Campus of the UPC. The project consists of, from the measurement of radio spectrum in the TV band in a finite number of positions around the campus. Then build ...
  • Investigation of 60GHz technology for onboard avionics applications 

    Sastre Riera, Sandra (Universitat Politècnica de Catalunya, 2015-10-01)
    Projecte/Treball Final de Carrera
    Accés obert
    The technology of the protocol 802.11ad is a cutting edge since it is one of the protocols promoted by Wireless Gigabit Alliance, an association that promoted and developed multi-gigabit speed wireless communications ...
  • MATLAB implementation of an emulator of the downlink physical layer of the LTE sytem 

    Guitart Canal, Christian (Universitat Politècnica de Catalunya, 2016-05-25)
    Treball Final de Grau
    Accés obert
    LTE (Long Term Evolution) and LTE-A (Long Term Evolution Advance) are two mobile communication standards nowadays are intensively being deployed around the World. Their benefits are meaningful both for users and network ...
  • Performance evaluation of fairness adaptive resource allocation algorithms for OFDMA networks 

    Kallos, Georgios (Universitat Politècnica de Catalunya / Kungl. Tekniska högskolan, 2010-06)
    Projecte Final de Màster Oficial
    Accés obert
    Realitzat a/amb:  Kungliga Tekniska högskolan
    The objective of this thesis is to implement and evaluate dynamic resource allocation algorithms that adjust the fairness of an OFDMA network. We consider the category of Rate Adaptive algorithms where the Base Station ...
  • Performance evaluation of VoIP and web services in HSDPA 

    Mirada Teixidó, Anna (Universitat Politècnica de Catalunya, 2010-07)
    Projecte/Treball Final de Carrera
    Accés obert
    During the last years, the mobile communications market in the western developed countries has reached a standstill, with a market penetration higher than 100% in most countries such as, Spain 115%, United Kingdom 120% ...
  • Radio Access Network (RAN) virtualization in the context of WLAN systems 

    Murillo Garcia, Lorena (Universitat Politècnica de Catalunya, 2018-07)
    Treball Final de Grau
    Accés obert
    The demand for broadband network connectivity has been increasing continuously the last years. As a consequence, it is necessary to develop new ways to get this service to reach all users. 5th Generation (5G) mobile networks ...
  • Spectrum usage models for the analysis, design and simulation of cognitive radio networks 

    López Benítez, Miguel (Universitat Politècnica de Catalunya, 2011-07-20)
    Tesi
    Accés obert
    The owned spectrum allocation policy, in use since the early days of modern radio communications, has been proven to effectively control interference among radio communication systems. However, the overwhelming proliferation ...
  • Study of localisation techniques for dense 802.11 avionic networks 

    Blanco Guerrero, Cristian (Universitat Politècnica de Catalunya, 2015-10)
    Projecte/Treball Final de Carrera
    Accés obert
    Localization techniques in indoor environments have become an important field of study due to the tremendous growth of wireless local area networks (WLANs), and that growth is being possible through the Standard IEEE 802.11. ...
  • Towards Wireless Virtualization for 5G Cellular Systems 

    Gran Alcoz, Albert (Universitat Politècnica de Catalunya, 2016-07-14)
    Treball Final de Grau
    Accés obert
    Realitzat a/amb:  Georgia Institute of Technology
    Although it has been defined as one of the most promising key enabling technologies for the forthcoming fifth generation cellular networks, wireless virtualization still has several challenges remaining to be addressed. ...
  • Virtualization of the radio accesses of a wireless network 

    Riera i Marín, Meritxell (Universitat Politècnica de Catalunya, 2018-01)
    Treball Final de Grau
    Accés obert
    The last years, application and user demand with respect to coverage and capacity is increasing continuously. To cope with these challenges, 5G networks have been presented in the literature with purpose to provide higher ...