Now showing items 1-15 of 15

  • A Kalman-filter approach for dynamic OD estimation in corridors based on bluetooth and Wi-Fi data collection 

    Barceló Bugeda, Jaime; Montero Mercadé, Lídia; Marqués, Laura; Carmona Bautista, Carlos (2010)
    Conference report
    Open Access
    From the point of view of the information supplied by an ATIS to the motorists entering a freeway of one of the most relevant is the Forecasted Travel Time, that is the expected travel time that they will experience when ...
  • Ampliació i sobredimensionament d'una xarxa per a suportar serveis de banda ampla 

    Gràcia i Ferré, Marc de (Universitat Politècnica de Catalunya, 2007-01-20)
    Master thesis (pre-Bologna period)
    Open Access
    Actualmente, algunas de las redes de control y gestión de distribución de servicios básicos a los hogares (por ejemplo luz, televisión por cable, telefonía, etc.) son redes de capacidad muy limitada. Esto se debe a la ...
  • A New CAC Policy Based on Traffic Characterization in Cellular Networks 

    Vassileva Vesselinova, Natalia; Barceló Arroyo, Francisco (Springer, 2008-05)
    Conference report
    Open Access
    The Call Admission Control (CAC) method presented in this paper is based on the statistical properties of the network’s traffic variables. It probabilistically estimates the time until the release of a seized channel: the ...
  • An integrated GPS/PDA/GIS telegeoprocessing system for traffic & environment 

    Ramos, Ana Luísa; Vasconcelos Ferreira, José; Barceló Bugeda, Jaime (Advisory Board, 2009)
    Article
    Open Access
    The development of sustainable urban transport networks is a present priority for world leaders, national governors and local authorities. The challenge is to increase mobility reducing the adverse impacts of transport. ...
  • Application of the DQCA protocol to the optimization of wireless communications systems in cellular environments 

    Cateura Díaz, Alejandro (Universitat Politècnica de Catalunya, 2007-04-16)
    Master thesis (pre-Bologna period)
    Open Access
    This final career thesis (Master thesis) is a contribution on the enhancement of wireless communications, specifically WLAN multi-cell systems based on the IEEE 802.11 standard. The objectives were to propose and study ...
  • Cobertura de sistemes de radiocomunicacions digitals en túnels viaris 

    Ramos Pérez, Julián (Universitat Politècnica de Catalunya, 2007-06-18)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  ADTEL
    En l’àmbit de les comunicacions sense fils, els sistemes digitals cel·lulars tenen un nivell de cobertura deficient o nul en l’interior d’edificis, túnels i d’emplaçaments interiors en general. La memòria que es presenta ...
  • Desarrollo de una herramienta de gestión para un grid de sensores 

    Barrera Méndez, Carlos (Universitat Politècnica de Catalunya, 2008-04-28)
    Master thesis (pre-Bologna period)
    Open Access
    Este proyecto describe la elaboración de una herramienta para gestionar el grid de sensores inalámbricos de tipo TelosB que ha construido el Grupo de Redes Inalámbricas de la UPC en el laboratorio 325 de la EPSC. La ...
  • Design and implementation of an opportunistic network based on IEEE 802.15.4 

    Serra Monje, Carlos (Universitat Politècnica de Catalunya, 2010-10-18)
    Bachelor thesis
    Open Access
    Les xarxes de sensors sense fils constitueixen un dels principals àmbits on s'han focalitzat els esforços dels entorns acadèmics i de la indústria. Les xarxes de sensors sense fils possibiliten un ampli ventall d'aplicacions ...
  • Estudio de aplicaciones de redes de comunicaciones inalámbricas ad hoc para sistemas a bordo de automóviles 

    Deza Castellano, Eduard (Universitat Politècnica de Catalunya, 2007-05-10)
    Master thesis (pre-Bologna period)
    Open Access
    Debido al aumento de usuarios con conexión a Internet y a sus necesidades, tanto profesionales como personales, las redes ad hoc han adquirido un papel de gran importancia en la sociedad tecnológica actual. Al no depender ...
  • Interfície IR de comandament remot per a nodes de xarxa ad-hoc 

    Ballester Vanrell, Pedro (Universitat Politècnica de Catalunya, 2007-09-21)
    Master thesis (pre-Bologna period)
    Open Access
    Actualment estan proliferant els dispositius reduïts amb capacitats de comunicacions que formen xarxes específiques on cadascun d’aquests dispositius fa la funció de node de xarxa. Si bé existeixen moltes propostes de ...
  • Modeling the maximum throughput of bluetooth low energy in an error-prone link 

    Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (2011-11)
    Article
    Restricted access - publisher's policy
    We present an analytical model for the maximum throughput of Bluetooth Low Energy (BLE), considering the presence of uncorrelated bit errors and the impact of a key BLE parameter that defines the time between the start ...
  • On the performance modeling of opportunistic routing 

    Cerdà Alabern, Llorenç; Pla Boscà, Vicent; Darehshoorzadeh, Amir (ACM Press. Association for Computing Machinery, 2010-02-22)
    Conference report
    Restricted access - publisher's policy
    In this paper we propose a discrete time Markov model to assess the improvement that may be achieved using opportunistic routing. We show that our model can be used to compute the probability distribution and moments of ...
  • Wifi musical orchestra based on Raspberry PI 

    Casanovas Ferrer, Victor (Universitat Politècnica de Catalunya, 2019-06-24)
    Master thesis
    Open Access
    This project aims to present an approach to wireless communication and data transmission between a master device and multiple slave devices. The theme selected for the project is music, meaning that the data transferred ...
  • Wireless ECG and heart rate monitoring using dual ground dry electrodes 

    Gómez Clapers, Joan; Casanella Alonso, Ramón (2010)
    Conference lecture
    Open Access
    In this work, a novel wireless easy-to-use measuring system is presented to acquire the Lead I ECG signal and the heart rate. The system presents a novel application of the dual ground configuration to dry electrodes, ...
  • Wireless nanosensor networks using graphene-based nano-antennas 

    Abadal Cavallé, Sergi; Jornet Montaña, Josep Miquel; Llatser Martí, Ignacio; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Akyildiz, Ian F. (2011)
    Conference report
    Open Access