Browsing by Subject "Ad hoc networks (Computer networks)"

Now showing items 21-40 of 109

    • 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 ...

    • Bridging heterogeneous networks in challenging and disruptive maritime environments 

      Ribeiro, Manuel; Pereira, João; Neiva, Jorge; Galante, João; Gonçalves, Pedro; Brás, José (SARTI, 2023)
      Article
      Open Access
      In this work, we describe the development of a system that aims to deal with different communication means when operating in a network of heterogeneous systems with ad-hoc behaviour that has proved helpful in real-life ...

    • Building Real-World Ad-Hoc Networks to Support Mobile Collaborative Applications: Lessons Learned 

      Meseguer Pallarès, Roc; Ochoa, Sergio; Pino, José; Medina Medina, Esunly; Navarro Moldes, Leandro; Royo Vallés, María Dolores; Neyem, Andres (Springer Berlin / Heidelberg, 2009-09)
      Conference report
      Restricted access - publisher's policy
      Mobile collaboration is required in several work scenarios, i.e. education, healthcare, business and disaster relief. The features and capabilities of the communication infrastructure used by mobile collaborative ...

    • Chains of trust in vehicular networks: a secure points of interest dissemination strategy 

      Antolino Rivas, David; Guerrero Zapata, Manel (Elsevier, 2012-08)
      Article
      Restricted access - publisher's policy
      This article describes a scheme which to the best of our knowledge is the first one to use user signatures to share information about Points of Interest in Vehicular Ad hoc Networks. In this scheme, users rate restaurants, ...

    • Characterization of vehicle-to-vehicle channels in various scenarios 

      Roma Ballester, Anna (Universitat Politècnica de Catalunya, 2011-02-11)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Technische Universität Wien
      English: In this thesis we will characterize the vehicle-to-vehicle channel in various scenarios based in risk situations. We estimate diferent channel parameters as the time-varying root mean square (rms) delay and Doppler ...

    • COACH: COllaborative certificate stAtus CHecking mechanism for VANETs 

      Hernández Gañán, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Hernández Serrano, Juan; Alins Delgado, Juan José (2011-11-01)
      Article
      Restricted access - publisher's policy
      Vehicular Ad Hoc Networks (VANETs) require mechanisms to authenticate messages, identify valid vehicles, and remove misbehaving vehicles. A public key infrastructure (PKI) can be used to provide these functionalities using ...

    • Collision-balancing frequency hopping in single-hop mobile ad hoc networks 

      Tanbourgi, Ralph; Pujol i Molist, Xevi; Jondral, Friedrich K. (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Conference report
      Restricted access - publisher's policy
      We consider a single-hop frequency hopping (FH) mobile ad hoc network (MANET). To increase throughput orthogonal FH (O-FH) with hop-synchronous hopping can be used, thereby allowing collision-free transmissions under certain ...

    • Communication and coordination patterns to support mobile collaboration 

      Meseguer Pallarès, Roc; Ochoa, Sergio; Pino, José; Navarro Moldes, Leandro; Neyem, Andres (2008-06-10)
      Conference report
      Open Access
      Wireless communication and mobile computing technologies have brought new opportunities and challenges to the CSCW area. Traditional CSCW solutions concerning communication and coordination support are not applicable ...

    • Decentralised multi-access MAC protocol for ad-hoc networks 

      Realp, Marc; Pérez Neira, Ana Isabel (2003)
      Conference report
      Open Access
      In ad-hoc radio networks, mechanisms on how to access the radio channel are extremely important in order to improve network efficiency and, when needed, to guarantee QoS. Traditionally, Medium Access Control (MAC) protocols ...

    • Desarrollo en Python de una plataforma para la revocación de certificados digitales en VANETs 

      Medina Huerta, Francisco Ronaldo (Universitat Politècnica de Catalunya, 2010)
      Master thesis (pre-Bologna period)
      Open Access
      El proyecto tiene como principal objetivo la implementación de un Servidor de Revocaciones de Certificados Digitales, el cual sea capaz de recibir principalmente peticiones de distintos clientes en las cuales se puede ...

    • Design and implementation of a cognitive node for heterogeneous wireless ad-hoc 

      Serra Company, Fernando; López González, Javier; Ibáñez Vaquez, David; Rubio López, Javier (Universitat Politècnica de Catalunya, 2010-07-09)
      Master thesis (pre-Bologna period)
      Open Access
      In this thesis, the design of a cognitive network layer solution for a scenario with mobile devices is presented. Cognitive networks are able to sense the environment and adapt in order to find the best performance of the ...

    • DI5.3.- Vision Book (NEWCOM++) 

      Polydoros, Andreas; Pérez Romero, Jordi; Benedetto, Sergio; Bogucka, Hanna; Corazza, Giovanni E.; Correia, Luis; Duhamel, Pierre; Koutsopoulos, Iordanis; Noguet, Dominique; Palazzo, Sergio (2011-03)
      Research report
      Open Access
      This Report constitutes the final version of the NEWCOM++ Vision Book. In it, the community of NEWCOM++ researchers, shaped under the common ground of a mainly academic network of excellence, have tried to distil their ...

    • Diseño e implementación de la red de comunicaciones de accesos sur del Servei Català de Trànsit 

      Zamanillo Leal, Víctor (Universitat Politècnica de Catalunya, 2014-07)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Servei Català de Trànsit
      Este proyecto nace de la modernización de los servicios y equipos de la red de carreteras que pretende llevar a cabo el Servei Català de Tràsit (SCT). Con el fin de reducir la congestión del tráfico, la contaminación y ...

    • Dynamic cross-layer framework to provide QoS for video streaming services over ad hoc networks 

      Carrascal Frías, Víctor; Díaz Delgado, Guillermo; Zavala Ayala, Aída; Aguilar Igartua, Mónica (2008)
      Conference report
      Restricted access - publisher's policy
      In recent years the growing proliferation of small wireless devices able to maintain wireless communications using IEEE 802.11 technologies has enabled the deployment of ANETs (Mobile Ad Hoc Networks). This fact as ...

    • Dynamic framework with adaptive contention window and multipath routing for video-streaming services over mobile ad hoc networks 

      Aguilar Igartua, Mónica; Carrascal Frías, Víctor; Cruz Llopis, Luis Javier de la; Sanvicente Gargallo, Emilio (2012-06-01)
      Article
      Restricted access - publisher's policy
      The number of portable electronic devices capable of maintaining wireless communications increases day by day. Such mobile nodes may easily self-configure to form a Mobile Ad Hoc Network (MANET) without the help of any ...

    • Emulation platform design for multimedia applications over vehicular networks 

      Reñé Vicente, Sergi (Universitat Politècnica de Catalunya, 2010)
      Master thesis
      Open Access
      Safety applications seems that will be decisive for a successful introduction to the automotive market for the vehicular networks. However, another kind of applications could be very helpful in order to reach the maximum ...

    • Energy and delay-constrained routing in mobile ad hoc networks: an initial approach 

      Sánchez Miquel, Laura; Vassileva Vesselinova, Natalia; Barceló Arroyo, Francisco; Carbajo Flores, Patricia (ACM, 2005-10)
      Conference report
      Open Access
      Energy conservation is a critical issue regarding wireless mobile ad hoc networks, since the nodes are battery restrained and the depletion of their power defines the lifetime of the network. In this work a mechanism for ...

    • Enhanced service level management process as a result of best practices integration 

      Alghamian, Muhammad Anas; Alcober Segura, Jesús Ángel; Rincón Rivera, David (Industrial Engineering and Operations Management (IEOM), 2021)
      Conference report
      Restricted access - publisher's policy
      This paper proposes to produce a hybrid of best practices in the field of Information and Communications Technologies (ICT). The aim is to empower the user to use a combination of multiple ICT best practices concurrently, ...