Ara es mostren els items 1-16 de 16

  • A cooperative ARQ for delay-tolerant vehicular networks 

    Morillo Pozo, Julián David; Trullols Cruces, Óscar; Barceló Ordinas, José María; García Vidal, Jorge (2008-07-25)
    Text en actes de congrés
    Accés obert
    This paper proposes a Cooperative ARQ protocol to be used in delay-tolerant vehicular networks. The proposed scheme has been implemented and evaluated through an experimental testbed, showing that packet losses in ...
  • A cooperative vehicular network framework 

    Trullols Cruces, Óscar; Morillo Pozo, Julián David; Barceló Ordinas, José María; García Vidal, Jorge (2009)
    Comunicació de congrés
    Accés obert
    Vehicular Ad Hoc Networks are networks characterized by intermittent connectivity and rapid changes in their topology. This paper addresses car-to-road communications in which vehicles use Access Points (AP) in a Delay ...
  • A Max coverage formulation for information dissemination in vehicular networks 

    Trullols Cruces, Óscar; Barceló Ordinas, José María; Fiore, Marco; Casetti, Claudio; Chiasserini, Carla-Fabiana (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
    Comunicació de congrés
    Accés obert
    We consider that a given number of Dissemination Points (DPs) have to be deployed for disseminating information to vehicles travelling in an urban area. We formulate our problem as a Maximum Coverage Problem (MCP) so as ...
  • Applying cooperation for delay tolerant vehicular networks 

    Morillo Pozo, Julián David; Barceló Ordinas, José María; Trullols Cruces, Óscar; García Vidal, Jorge (2008-01-18)
    Comunicació de congrés
    Accés obert
    This paper proposes a Cooperative ARQ protocol to be used in delay-tolerant vehicular networks. The proposed scheme has been implemented and evaluated through an experimental testbed, showing that packet losses in ...
  • Evaluation of a cooperative ARQ protocol for delay-tolerant vehicular networks 

    Morillo Pozo, Julián David; Trullols Cruces, Óscar; Barceló Ordinas, José María; García Vidal, Jorge (2008-10-16)
    Capítol de llibre
    Accés obert
    This paper evaluates a Cooperative ARQ protocol to be used in delay-tolerant vehicular networks. The scenario consists in cars downloading information from Access Points along a road. The key difference between proposed ...
  • Exact decoding probability under random linear network coding 

    Trullols Cruces, Óscar; Barceló Ordinas, José María; Fiore, Marco (2011-01)
    Article
    Accés obert
    In this letter, we compute the exact probability that a receiver obtains N linearly independent packets among K ≥ N received packets, when the sender/s use/s random linear network coding over a Galois Field of size q. Such ...
  • Generation and analysis of a large-scale urban vehicular mobility dataset 

    Uppoor, Sandesh; Trullols Cruces, Óscar; Fiore, Marco; Barceló Ordinas, José María (2014-05)
    Article
    Accés restringit per política de l'editorial
    The surge in vehicular network research has led, over the last few years, to the proposal of countless network solutions specifically designed for vehicular environments. A vast majority of such solutions has been evaluated ...
  • Impact of the infrastructure in mobile opportunistic networks 

    Trullols Cruces, Óscar; Morillo Pozo, Julián David; Barceló Ordinas, José María (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Epidemic modeling has been used to analyze many disciplines such as biology, ecology and medicine. In the last years, it also has been applied to networking paradigms such as social networks, virus spreading in Internet ...
  • Information dissemination in mobile networks 

    Trullols Cruces, Óscar (Universitat Politècnica de Catalunya, 2014-07-17)
    Tesi
    Accés obert
    This thesis proposes some solutions to relieve, using Wi-Fi wireless networks, the data consumption of cellular networks using cooperation between nodes, studies how to make a good deployment of access points to optimize ...
  • Information dissemination in VANETs: deployment strategies for maximizing coverage 

    Trullols Cruces, Óscar; Barceló Ordinas, José María; Fiore, Marco; Casetti, Claudio; Chiasserini, Carla-Fabiana (2009)
    Comunicació de congrés
    Accés obert
    We consider that a given number of Dissemination Points (DPs) have to be deployed for disseminating information to vehicles travelling in an urban area. We formulate our problem as a Maximum Coverage Problem (MCP) so as ...
  • Power saving trade-offs in delay/disruptive tolerant networks 

    Trullols Cruces, Óscar; Morillo Pozo, Julián David; Barceló Ordinas, José María; García Vidal, Jorge (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Wireless nodes such as smart-phones in which the WiFi wireless card is continuously on, consume battery energy in just a few hours. Moreover, in many scenarios, an always-on wireless card is useless because there is often ...
  • RSU deployment for content dissemination and downloading in intelligent transportation systems 

    Reineri, Massimo; Casetti, Claudio; Chiasserini, Carla-Fabiana; Fiore, Marco; Trullols Cruces, Óscar; Barceló Ordinas, José María (IGI Global, 2012-10-01)
    Capítol de llibre
    Accés restringit per política de l'editorial
  • Understanding, modeling and taming mobile malware epidemics in a large-scale vehicular network 

    Trullols Cruces, Óscar; Fiore, Marco; Barceló Ordinas, José María (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The large-scale adoption of vehicle-to-vehicle (V2V) communication technologies risks to significantly widen the attack surface available to mobile malware targeting critical automobile operations. Given that outbreaks of ...
  • VANET mobility modeling challenged by feedback loops 

    Meyer, Harald; Trullols Cruces, Óscar; Hess, Andrea; Hummel, Karin Anna; Barceló Ordinas, José María; Casetti, Claudio; Karlsson, Gunnar (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    VANET applications are often providing street traffic information to vehicles and drivers, regarding, for instance, traffic conditions and parking space availability. This information influences in turn the driving behavior ...
  • Vehicular networks on two Madrid highways 

    Gramaglia, Marco; Trullols Cruces, Óscar; Naboulsi, Diala; Fiore, Marco; Calderón, Maria (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    There is a growing need for vehicular mobility datasets that can be employed in the simulative evaluation of protocols and architectures designed for upcoming vehicular networks. Such datasets should be realistic, publicly ...
  • Worm epidemics in vehicular networks 

    Trullols Cruces, Óscar; Fiore, Marco; Barceló Ordinas, José María (2015-10-01)
    Article
    Accés obert
    Connected vehicles promise to enable a wide range of new automotive services that will improve road safety, ease traffic management, and make the overall travel experience more enjoyable. However, they also open significant ...