Ara es mostren els items 1-20 de 37

    • A centrality-based topology control protocol for wireless mesh networks 

      Vázquez Rodas, Andrés; Cruz Llopis, Luis Javier de la (Elsevier, 2015-01-01)
      Article
      Accés obert
      Nodes in wireless multi-hop networks establish links with their neighbors, which are used for data transmission. In general, in this kind of networks every node has the possibility of acting as a router, forwarding the ...
    • A fair and distributed congestion control mechanism for smart grid neighborhood area networks 

      Astudillo León, Juan Pablo; Begin, Thomas; Busson, Anthony; Cruz Llopis, Luis Javier de la (Elsevier, 2020-04-29)
      Article
      Accés obert
      The need for significant improvements in the management and efficient use of electrical energy has led to the evolution from the traditional electrical infrastructures towards modern Smart Grid networks. Taking into account ...
    • 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
      Accés restringit per política de l'editorial
      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 joint multi-path and multi-channel protocol for traffic routing in smart grid neighborhood area networks 

      Astudillo León, Juan Pablo; Cruz Llopis, Luis Javier de la (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-20)
      Article
      Accés obert
      In order to improve the management mechanisms of the electric energy transport infrastructures, the smart grid networks have associated data networks that are responsible for transporting the necessary information between ...
    • A machine learning based Distributed Congestion Control Protocol for multi-hop wireless networks 

      Astudillo Leon, Juan Pablo; Cruz Llopis, Luis Javier de la; Rico Novella, Francisco José (2023-07-01)
      Article
      Accés obert
      The application areas of multi-hop wireless networks are expected to experience sustained growth in the next years. This growth will be further supported by the current possibility of providing low-cost communication ...
    • 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
      Accés obert
      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.) ...
    • A multimetric, map-aware routing protocol for VANETs in urban areas 

      Tripp Barba, Carolina; Urquiza Aguiar, Luis; Aguilar Igartua, Mónica; Rebollo Monedero, David; Cruz Llopis, Luis Javier de la; Mezher, Ahmad Mohamad; Aguilar-Calderón, José Alfonso (2014-01-28)
      Article
      Accés obert
      In recent years, the general interest in routing for vehicular ad hoc networks (VANETs) has increased notably. Many proposals have been presented to improve the behavior of the routing decisions in these very changeable ...
    • A testbed based performance evaluation of smart grid wireless neighborhood area networks routing protocols 

      Astudillo León, Juan Pablo; Cruz Llopis, Luis Javier de la (IOS Press, 2020)
      Text en actes de congrés
      Accés obert
      Smart Grid networks have a data communication network associated with the electrical energy distribution infrastructure. This network connects all the sub- scribers’ homes with the data control centers of the supplying ...
    • Anàlisi i avaluació de xarxes 

      Pallarès Segarra, Esteve; Cruz Llopis, Luis Javier de la (Iniciativa Digital Politècnica. Oficina de Publicacions Acadèmiques Digitals de la UPC, 2022-07)
      Llibre
      Accés restringit a la comunitat UPC
      En aquest llibre s’utilitza la teoria de cues per modelar sistemes de transmissió en xarxes telemàtiques. S’analitzen diversos sistemes de cues i els possibles escenaris on es podrien fer servir aquests models. S’utilitzen ...
    • Circuit model for mode conversion in coplanar waveguide asymmetric series-impedances 

      Ribó i Pal, Miquel; Cruz Llopis, Luis Javier de la; Pradell i Cara, Lluís (IEE-INST ELEC ENG, 1999-10-31)
      Article
      Accés obert
      A new `circuit model' for converting between even and odd modes in asymmetric series impedances in the ground plane of a coplanar waveguide is presented. The model is based on the separation of modes into two input and two ...
    • Circuit model for slotline-to-coplanar waveguide asymmetrical transitions 

      Ribó i Pal, Miquel; Cruz Llopis, Luis Javier de la; Pradell i Cara, Lluís (IEE-INST ELEC ENG, 1999-07-31)
      Article
      Accés obert
      A new `circuit-model' for slotline-to-coplanar waveguide asymmetrical transitions is presented and applied to the design of slotline resonators. The model, based on the separation of coplanar-waveguide (CPW) modes into two ...
    • Contribución a la regulación del tráfico en Redes ATM: aplicación al tráfico de vídeo 

      Cruz Llopis, Luis Javier de la (Universitat Politècnica de Catalunya, 1999-02-10)
      Tesi
      Accés obert
      De entre los nuevos servicios ofrecidos por las actuales redes de banda ancha, los que incluyen la transmisión de secuencias de vídeo se convertirán en un futuro próximo en algunos de los más solicitados por los usuarios. ...
    • Dimensionado dinámico de buffers para flujos de tráfico diferenciados no elásticos 

      Vázquez Rodas, Andrés; Cruz Llopis, Luis Javier de la; Aguilar Igartua, Mónica; Sanvicente Gargallo, Emilio (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      El dimensionado del tamaño de los buffers de almacenamiento de paquetes en los equipos de red es un aspecto fundamental debido a sus consecuencias directas sobre la calidad de servicio observada por los usuarios finales. ...
    • 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
      Accés restringit per política de l'editorial
      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 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
      Accés restringit per política de l'editorial
      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 ...
    • Emergency aware congestion control for smart grid neighborhood area networks 

      Astudillo León, Juan Pablo; Cruz Llopis, Luis Javier de la (Elsevier, 2019-10-01)
      Article
      Accés obert
      The evolution of traditional electricity distribution infrastructures towards Smart Grid networks has generated the need to carry out new research. There are many fields that have attracted the attention of researchers, ...
    • Importance Sampling based on Adaptive Principal Component Analysis 

      Rosell Gratacòs, Jan; Cruz Llopis, Luis Javier de la; Pérez, Alexander; Suárez Feijóo, Raúl (IEEE, 2011)
      Text en actes de congrés
      Accés obert
      Sampling-based approaches are currently the most efficient ones to solve path planning problems, being their performance dependant on the ability to generate samples in those areas of the configuration space relevant to ...
    • INRISCO: INcident monitoRing in Smart COmmunities 

      Aguilar Igartua, Mónica; Almenares Mendoza, Florina; Díaz Redondo, Rebeca Pilar; Martín Vicente, Manuela Isabel; Forné Muñoz, Jorge; Campo Vazquez, Celeste; Fernández Vilas, Ana; Cruz Llopis, Luis Javier de la; García Rubio, Carlos; Marín López, Andres; Mohamad Mezher, Ahmad; Díaz Sánchez, Daniel; Cerezo Costas, Héctor; Rebollo Monedero, David; Arias Cabarcos, Patricia; Rico Novella, Francisco José (Institute of Electrical and Electronics Engineers (IEEE), 2020-01-01)
      Article
      Accés obert
      Major advances in information and communication technologies (ICTs) make citizens to be considered as sensors in motion. Carrying their mobile devices, moving in their connected vehicles or actively participating in social ...
    • 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
      Accés restringit per política de l'editorial
      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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...