Now showing items 21-40 of 46

  • Dynamic buffer sizing for wireless devices via maximum entropy 

    Vázquez Rodas, Andrés; Cruz Llopis, Luis Javier de la; Aguilar Igartua, Mónica; Sanvicente Gargallo, Emilio (2014-05-15)
    Article
    Restricted access - publisher's policy
    Buffer overflow is an important phenomenon in data networks that has much bearing on the overall network performance. Such overflow critically depends on the amount of storage space allotted to the transmission channels. ...
  • 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
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    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
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    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 ...
  • Evaluación de prestaciones de una red híbrida vehicular y de sensores para mejorar la seguridad vial 

    Tripp Barba, Carolina; Ornelas, Karen; Díaz Delgado, Guillermo; Aguilar Igartua, Mónica (Universidad de Valladolid, 2010)
    Conference report
    Restricted access - publisher's policy
    En los últimos años las redes inalámbricas se han convertido en una tecnología de comunicación ampliamente difundida así como en un reto en cuanto a investigación se refiere. Se han presentado muchas contribuciones sobre ...
  • Evaluating video dissemination in realistic urban vehicular ad-hoc networks 

    Iza Paredes, Cristhian; Mezher, Ahmad Mohamad; Aguilar Igartua, Mónica (Association for Computing Machinery (ACM), 2016)
    Conference report
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    Video content delivery for vehicular ad hoc networks (VANETs) is envisioned to be of high benefit for road safety, traffic management as well as for providing value-added vehicle services. In this paper, we evaluate five ...
  • Game-theoretical design of an adaptive distributed dissemination protocol for VANETs 

    Iza Paredes, Cristhian; Mezher, Ahmad Mohamad; Aguilar Igartua, Mónica; Forné Muñoz, Jorge (Multidisciplinary Digital Publishing Institute (MDPI), 2018-01-01)
    Article
    Open Access
    Road safety applications envisaged for Vehicular Ad Hoc Networks (VANETs) depend largely on the dissemination of warning messages to deliver information to concerned vehicles. The intended applications, as well as some ...
  • Heuristic methods in geographical routing protocols for VANETs 

    Urquiza Aguiar, Luis; Almeida, Daniel; Tripp Barba, Carolina; Aguilar Igartua, Mónica (Association for Computing Machinery (ACM), 2015)
    Conference report
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    This paper proposes different local\hyph search heuristics to improve the performance of geographical routing protocols in VANET networks, which typically relies the selection of the next node only on the best candidate. ...
  • Impact of packet error modeling in VANET simulations 

    Tripp Barba, Carolina; Urquiza Aguiar, Luis; Estrada Jiménez, José Antonio; Aguilar-Calderón, José Alfonso; Zaldivar Colado, Aníbal; Aguilar Igartua, Mónica (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
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    Simulation is a very valuable mechanism to study the performance of vehicular ad-hoc networks (VANETs), due to the high cost and effort involved in the deployment of vehicles in urban scenarios. Accordingly, as in real ...
  • Load splitting in clusters of video servers 

    Cruz Llopis, Luis Javier de la; Vázquez Rodas, Andrés; Sanvicente Gargallo, Emilio; Aguilar Igartua, Mónica (2012-03-07)
    Article
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    Nowadays, video on demand is one of the services more highly appreciated and demanded by customers. As the number of users increases, the capacity of the system that provides these services must also be increased to guarantee ...
  • MAX-MIN based buffer allocation for VANETs 

    Urquiza Aguiar, Luis; Vázquez Rodas, Andrés; Tripp Barba, Carolina; Aguilar Igartua, Mónica; Cruz Llopis, Luis Javier de la; Sanvicente Gargallo, Emilio (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
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    Many proposals have studied the optimization of the EDCA mechanism used by the IEEE 802.11p MAC layer to provide QoS. In this work, we focus on the queuing process done by the different Access Categories (ACs). We propose ...
  • Mean waiting time in the M/H2/s queue: application to mobile communications Systems 

    Barceló Arroyo, Francisco; Paradells Aspas, Josep; Aguilar Igartua, Mónica (Wissenschaft & Technik, 1997)
    Conference lecture
    Open Access
    In this paper a procedure to approximately calculate the mean waiting time in the M/H2/s queue is presented. The approximation is heuristic although based in the intuitive symmetry between the deterministic and balanced ...
  • MobilitApp: analysing mobility data of citizens in the metropolitan area of Barcelona 

    Puglisi, Silvia; Torres, Ángel; Marrugat, Gerard; Aguilar Igartua, Mónica; Forné Muñoz, Jorge (Springer, 2015)
    Conference lecture
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    MobilitApp is a platform designed to provide smart mobility services in urban areas. It is designed to help citizens and transport authorities alike. Citizens will be able to access the MobilitApp mobile application and ...
  • Multimedia communications in vehicular adhoc networks for several applications in the smart cities 

    Iza Paredes, Cristhian; Uribe Ramírez, José Antonio; López Márquez, Nely Patricia; Lemus Cárdenas, Leticia; Mezher, Ahmad Mohamad; Aguilar Igartua, Mónica (Universidad Politécnica de Valencia, 2017)
    Conference report
    Open Access
    Road safety applications envisaged for vehicular ad hoc networks (VANETs) depend largely on the exchange of messages to deliver information to concerned vehicles. Safety applications as well as inherent VANET characteristics ...
  • On collaborative anonymous communications in lossy networks 

    Rebollo-Monedero, David; Forné Muñoz, Jorge; Pallarès Segarra, Esteve; Parra-Arnau, Javier; Tripp Barba, Carolina; Urquiza Aguiar, Luis; Aguilar Igartua, Mónica (2013-05-17)
    Article
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    Message encryption does not prevent eavesdroppers from unveiling who is communicating with whom, when, or how frequently, a privacy risk wireless networks are particularly vulnerable to. The Crowds protocol, a well-established ...
  • On the impact of building attenuation models in urban VANET simulations 

    Urquiza Aguiar, Luis; Tripp Barba, Carolina; Estrada Jimenez, Jose; Aguilar Igartua, Mónica (2015-01-08)
    Article
    Open Access
    Buildings are important elements of cities for VANETs, since these obstacles may attenuate communications between vehicles. Consequently, the impact of buildings has to be considered as part of the attenuation model in ...
  • Optimized path selection in a game-theoretic routing protocol for video-streaming services over MANETs 

    Mezher, Ahmad Mohamad; Tripp Barba, Carolina; Urquiza Aguiar, Luis; Aguilar Igartua, Mónica; Martín Faus, Isabel Victoria; Cruz Llopis, Luis Javier de la; Sanvicente Gargallo, Emilio (2013)
    Conference report
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    Mobile ad hoc networks (MANETs) are infrastructureless networks formed by wireless mobile devices. Recently, the demand over multimedia services such as video streaming has increased specially since the number of mobile ...
  • Performance evaluation of a hybrid sensor and vehicular network to improve road safety 

    Tripp Barba, Carolina; Ornelas, Karen; Aguilar Igartua, Mónica (2010)
    Conference report
    Open Access
    In the last years, wireless networks have become a widely spread type of communication technology and also a challenging scientific area for new fields of research. Many contributions in ad hoc networks, such as WSNs ...
  • Performance evaluation of dissemination protocols for emergency messages in Vehicular Ad-Hoc networks 

    Iza Paredes, Cristhian; Mezher, Ahmad Mohamad; Aguilar Igartua, Mónica (2015)
    Conference report
    Restricted access - publisher's policy
    Road safety applications envisaged for VANETs depend largely on the exchange of messages to deliver information to the concerned vehicles. In the last years, several dissemination protocols have been presented in the ...
  • Propagation and packet error models in VANET simulations 

    Urquiza Aguiar, Luis; Tripp Barba, Carolina; Martín Faus, Isabel Victoria; Aguilar Igartua, Mónica (2014-05-01)
    Article
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    In this paper, we review the workflow of the channel and physical layer modules in VANET simulations and briefly survey some of the most used propagation and packet error models in network simulators for this kind of ...
  • RDSR-V. Reliable dynamic source routing for video-streaming over mobile ad hoc networks 

    Muñoz Tapia, José Luis; Esparza Martín, Óscar; Aguilar Igartua, Mónica; Carrascal Frias, F. Javier; Forné Muñoz, Jorge (2010-01)
    Article
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    Mobile ad hoc networks (MANETs) are infrastructureless networks formed by wireless mobile devices with limited battery life. In MANETs for civilian applications, the network nodes may not belong to a single authority and ...