Now showing items 1-20 of 98

  • A communication infrastructure to ease the development of mobile collaborative applications 

    Rodríguez-Covili, Juan Francisco; Ochoa, Sergio; Pino, José; Meseguer Pallarès, Roc; Medina Medina, Esunly; Royo Vallés, María Dolores (2011)
    Article
    Restricted access - publisher's policy
    Mobile workers doing loosely coupled activities typically perform on demand collaboration in the physical workplace. Communication services available in such work scenarios are uncertain, therefore mobile collaborative ...
  • 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)
    Conference report
    Open Access
    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 ...
  • Ad hoc and neighborhood search methods for placement of mesh routers in Wireless Mesh Networks 

    Xhafa Xhafa, Fatos; Sánchez Lopez, Christian; Barolli, Leonard (2009)
    Conference report
    Open Access
    With the fast development in wireless technologies and wireless devices, Wireless Mesh Networks (WMN) are becoming and important networking infrastructure, especially due to their low cost of deployment and maintenance. A ...
  • A dynamic multimetric weights distribution in a multipath routing protocol using video-streaming services over MANETs 

    Mezher, Ahmad Mohamad; Iza, Cristhian; Tripp Barba, Carolina; Aguilar Igartua, Mónica (2015)
    Conference report
    Restricted access - publisher's policy
    Mobile ad hoc networks (MANETs) are infrastructureless networks formed by wireless mobile devices. Routing in MANETs is a process where the best path will be selected so that packets will be forwarded. When a MANET ...
  • A Fairness-Oriented Interference-Balancing Scheme for Cooperative Frequency Hopping Ad Hoc Networks 

    Pujol i Molist, Xavier (Universitat Politècnica de Catalunya, 2011-11-21)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Karlsruher Institut für Technologie
    English: It may quite frequently occur in an ad hoc network that the density of users in a given area becomes relatively high during some period of time. At the same time, network resource scheduling is not done regarding ...
  • A game-theoretic multipath routing for video-streaming services over mobile Ad Hoc networks 

    Aguilar Igartua, Mónica; Cruz Llopis, Luis Javier de la; Carrascal Frías, Víctor; Sanvicente Gargallo, Emilio (2011-06-25)
    Article
    Restricted access - publisher's policy
    The number of portable devices capable of maintaining wireless communications has increased considerably in the last decade. Such mobile nodes may form a spontaneous self-configured network connected by wireless links to ...
  • A game theoretic trust model for on-line distributed evolution of cooperation in MANETs 

    Mejía Fajardo, Marcela; Peña Traslaviña, Néstor; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Alzate Monroy, Marco (2011-01-13)
    Article
    Restricted access - publisher's policy
    Cooperation among nodes is fundamental for the operation of mobile ad hoc networks(MANETs). In such networks, there could be selfish nodes that use resources from other nodes to send their packets but that do not offer ...
  • Agrupamiento de MANETs 

    López Toré, Anabel (Universitat Politècnica de Catalunya, 2009-12-22)
    Bachelor thesis
    Open Access
  • A multi-user game-theoretical multipath routing protocol to send video-warning messages over mobile ad hoc networks 

    Mezher, Ahmad Mohamad; Aguilar Igartua, Mónica; Cruz Llopis, Luis Javier de la; Pallarès Segarra, Esteve; Tripp Barba, Carolina; Urquiza Aguiar, Luis; Fornés Guardia, Jordi; Sanvicente Gargallo, Emilio (2015-04-17)
    Article
    Open Access
    The prevention of accidents is one of the most important goals of ad hoc networks in smart cities. When an accident happens, dynamic sensors (e.g., citizens with smart phones or tablets, smart vehicles and buses, etc.) ...
  • Análisis de desempeño de estándar 802.11p en situaciones de handoff dentro de un entorno de redes vehículares. 

    Guerrero Ibáñez, Juan Antonio; Flores Cortés, Carlos; Barba Martí, Antonio; Reyes Muñoz, María Angélica (2011)
    Conference report
    Open Access
    En los últimos años un grupo de trabajo del IEEE está definiendo un nuevo estándar de comunicaciones, el cual es conocido como 802.11p, para su uso futuro en redes vehiculares ad-hoc (VANET), tanto en el formato de vehículo ...
  • Analytical evaluation of a medium access control priority mechanism for wireless Ad Hoc networks 

    Alonso Zárate, Luis Gonzaga; Gregoratti, David; Alonso Zárate, Jesús; Verikoukis, Christos (2009)
    Conference lecture
    Open Access
  • A QoS-based dynamic pricing approach for services provisioning in heterogeneous wireless access networks 

    Guerrero Ibáñez, Juan Antonio; Contreras Castillo, Juan José; Barba Martí, Antonio; Reyes Muñoz, María Angélica (2011-10)
    Article
    Restricted access - publisher's policy
    In this paper we propose a simple QoS-based dynamic pricing approach for services provisioning in a heterogeneous wireless access network environment which attempts to increase user’s satisfaction level by firstly, maximizing ...
  • A real-world implementation and parametrization of mobile ad-hoc networks 

    Villagrasa Batalla, Alexandra; Medina Medina, Esunly (Universitat Politècnica de Catalunya, 2008-10-16)
    Master thesis
    Restricted access - author's decision
    The concept of ad-hoc networking merges from the need of new applications for wireless computing technologies; which require temporary, dynamic and self-organized network topologies. Ad-hoc networks are a collection of ...
  • A Simulation Study on the Performance of Vehicular Communications Using a Realistic Channel Model 

    Tomás Ozalla, Daniel (Universitat Politècnica de Catalunya, 2016-04-15)
    Master thesis (pre-Bologna period)
    Open Access
    In this work we implement and study, through simulations, a state-of-the-art radio propagation model designed for vehicle-to-vehicle communications in Vehicular Ad Hoc Networks (VANET).
  • A simulation system for routing efficiency in wireless sensor-actor networks: a case study for semi-automated architecture 

    Barolli, Leonard; Yang, Tao; Ikeda, Makoto; Durresi, Arjan; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2008)
    Conference report
    Open Access
    Wireless networks have become increasingly popular and advances in wireless communications and electronics have enabled the development of different kind of networks such as Mobile Ad-hoc Networks (MANETs), Wireless Sensor ...
  • A testbed for MANETs: Implementation, experiences and learned lessons 

    Barolli, Leonard; Ikeda, Makoto; Xhafa Xhafa, Fatos; Duresi, Arjan (2010-06)
    Article
    Open Access
    In this paper, we present the implementation, experiences and lessons learned of our tesbed for Ad-hoc networks and Mobile Ad hoc Networks (MANETs). We used OLSR protocol for real experimental evaluation. We investigate ...
  • Avaluació experimental d'un protocol d'encaminament multicamí basat en AODV 

    Gonzálvez Lober, Rubén; Sánchez Colomé, Albert; Villagrasa Batalla, Alexandra (Universitat Politècnica de Catalunya, 2006-07-11)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Actualment les xarxes inalàmbriques, i en especial les xarxes ad-hoc (MANET), són un punt important d’investigació per part dels científics degut al gran ventall de camps a on poden ser aplicades. Encara que les MANETs suposin ...
  • AVISS: Aplicación Adaptativa de Streaming de Vídeo 

    Díaz Delgado, Guillermo; Muñoz Jaime, Cristina; Tripp Barba, Carolina; Aguilar Igartua, Mónica (2010)
    Conference report
    Open Access
    En este trabajo presentamos AVISS (Adaptive VIdeo-Streaming Application), una aplicación para la transmisión adaptativa de streaming de vídeo en redes móviles ad-hoc (MANET, Mobile Ad-hoc Networks). AVISS pretende ofrecer ...
  • Banco de pruebas para redes ad-hoc 

    Cavero Miranda, José; Sánchez Gómez, Francisco (Universitat Politècnica de Catalunya, 2011-12-20)
    Bachelor thesis
    Open Access
    Las redes ad-hoc son sistemas autónomos de redes temporales dinámicas formadas por un conjunto de nodos móviles inalámbricos, sin la intervención de puntos de acceso centralizados o de infraestructura de ningún tipo. En ...
  • Benefits of using mobile ad-hoc network protocols in federated satellite systems for polar satellite missions 

    Ruiz de Azúa Ortega, Joan Adrià; Camps Carmona, Adriano José; Calveras Augé, Anna M. (Institute of Electrical and Electronics Engineers (IEEE), 2018-09-19)
    Article
    Open Access
    The Operational Network of Individual Observation Nodes (ONION) project evaluated the benefits of applying Distributed Satellite System (DSS) architectures to Earth Observation. One of its outcomes is the identification ...