Now showing items 21-40 of 334

    • Analysis of energy efficient distributed neighbour discovery mechanisms for machine-to-machine networks 

      Vazquez, Francisco; Alonso-Zarate, J.; Alonso Zárate, Luis Gonzaga; Dohler, Mischa (Elsevier, 2013-03-26)
      Article
      Restricted access - publisher's policy
      Energy efficiency is one of the main challenges of Machine-to-Machine (M2M) networks, since they aim at connecting devices with limited access to power sources and operate without human intervention. It has been shown ...
    • Analysis of the efficiency of protocol DOCSIS 3.0 in HFC networks 

      Tan, Hui (Universitat Politècnica de Catalunya, 2012-07-03)
      Master thesis
      Restricted access - author's decision
      [ANGLÈS] I have studied both Docsis 2.0 and Docsis 3.0 specification documents to: i) find out the similarities and differences between the two Docsis versions and, ii) to extend and analyze the Docsis 2.0 model to Docsis ...
    • Analytical model of large data transactions in CoAP networks 

      Ludovici, Alessandro; Di Marco, Piergiuseppe; Calveras Augé, Anna M.; Johansson, Karl H. (2014-08-01)
      Article
      Open Access
      We propose a novel analytical model to study fragmentation methods in wireless sensor networks adopting the Constrained Application Protocol (CoAP) and the IEEE 802.15.4 standard for medium access control (MAC). The blockwise ...
    • Analytical resource optimization for DF relay-assisted transmission under HARQ 

      Agustín de Dios, Adrián; Vidal Manzano, José; Muñoz Medina, Olga (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Conference report
      Open Access
      Under limited channel state information at the transmitter the communication suffers from the outage events produced by a data rate selection not supported by the current channel realization. Automatic repeat request (ARQ) ...
    • Anàlisi de BitTorrent per la transmissió de vídeo mitjançant Streaming 

      Martí Moya, David (Universitat Politècnica de Catalunya, 2005-07)
      Master thesis (pre-Bologna period)
      Open Access
    • Análisis de convergencia de protocolos de encaminamiento multi-dominio en redes ópticas de próxima generación 

      Hill Gumà, Marc (Universitat Politècnica de Catalunya, 2010)
      Master thesis (pre-Bologna period)
      Open Access
      Las redes de computadores, con Internet como paradigma más extendido, se encuentran en permanente estado de transición. La mayor dificultad que éstas deben afrontar consiste en ser capaces de proporcionar garantías de ...
    • Análisis del retardo en enlaces con protocolos ARQ y control de flujo: aplicación a una red estrella 

      Rubio Sola, Jose Antonio; Figueras Pàmies, Joan (Marcombo, 1983)
      Conference report
      Open Access
      El objetivo de este trabajo se enmarca en el desarrollo de herramientas de cuantificación de los tiempos de retardo en redes de computadores. El análisis se ha centrado en la evaluación del tiempo medio de retardo en el ...
    • Animaciones interactivas para la enseñanza y aprendizaje de los protocolos de coherencia de cachés 

      Alcón Laguéns, Alberto; Barrachina Mir, Sergio; Quintana Ortí, Enrique S. (Universidad de Sevilla. Escuela Técnica Superior de Ingeniería Informática, 2011-07-05)
      Conference lecture
      Open Access
      Entre los objetivos formativos de los cursos avanzados de arquitectura de computadores suele estar el de que los estudiantes sean capaces de describir y analizar el funcionamiento de los protocolos de coherencia de ...
    • AODV Performance evaluation and proposal of parameters modification for multimedia traffic on wireless ad hoc networks 

      Albero Albero, Teresa; Santonja-Climent, Salvador; Sempere-Payá, Víctor-M.; Mataix Oltra, Jordi (2009)
      Conference lecture
      Open Access
    • Aplicació LabVIEW per assistir una EPS mitjançant l'ús del bus CAN 

      Capellà Pozo, Carles (Universitat Politècnica de Catalunya, 2016-06)
      Bachelor thesis
      Restricted access - author's decision
      Aquest projecte està destinat, bàsicament, a la formació en una matèria que és d‟interès per a l‟estudiant i que aporta molts coneixements relacionats amb el camp d‟estudi del grau realitzat. A part d‟aprofundir en el tema ...
    • Application of the DQCA protocol to the optimization of wireless communications systems in cellular environments 

      Cateura Díaz, Alejandro (Universitat Politècnica de Catalunya, 2007-04-16)
      Master thesis (pre-Bologna period)
      Open Access
      This final career thesis (Master thesis) is a contribution on the enhancement of wireless communications, specifically WLAN multi-cell systems based on the IEEE 802.11 standard. The objectives were to propose and study ...
    • Application of ultra-narrowband systems to low power wide area networks 

      Alonso Poal, Marina (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Open Access
      Concepts such as Internet of Things (IoT) or Machine to Machine (M2M) are gaining more and more interest as they will provide connectivity for countless number of devices. The main challenge of this paradigm is to connect ...
    • Aproximación de los conceptos de redes de Protocolos de Internet mediante la gamificación 

      Fernández Mañas, Francisco (Universitat Politècnica de Catalunya, 2019-04)
      Bachelor thesis
      Open Access
      Este TFG pretende aplicar la técnica de gamificación a los conceptos de las clases prácticas de Redes de computación y Protocolos de Internet, elaborando un prototipo.
    • Arduino sensor network with Zigbee protocol 

      Cesari Gassol, Eduard (Universitat Politècnica de Catalunya, 2014-07)
      Master thesis
      Open Access
      This project involves the design of a sensor network, specifically ultrasound anemometers. The network is configurable, and capable to collect multiple reads of these sensors and transmit it to a coordinator, where using ...
    • Auto configuration dans LTE : procédés de mesure de l’occupation du canal radio pour une utilisation optimisée du spectre 

      Marazico Tricas, Juan Ignacio (Universitat Politècnica de Catalunya, 2009)
      Master thesis (pre-Bologna period)
      Open Access
      Long Term Evolution (LTE) est la quatrième génération de technologies radio qui est conçue afin de fournir des débits de données élevés aux mobiles, offrir une faible latence et permettre une flexibilité accrue dans ...
    • Avaluació de LoRa/LoRaWAN per a escenaris de smart city 

      Pérez García, Rubén (Universitat Politècnica de Catalunya, 2017-02-10)
      Bachelor thesis
      Open Access
      The main objective of a Smart City project should be to improve the quality life of citizens based on sustainability and energy efficiency. These projects are planned and implemented with the idea of being durable and ...
    • 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 ...
    • 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 ...
    • Brief announcement: Game theoretical approach for energy-delay balancing in distributed duty-cycled MAC protocols of wireless networks 

      Doudou, Messaoud; Barceló Ordinas, José María; Djenouri, Djamel; García Vidal, Jorge; Badache, Nadjib (Association for Computing Machinery (ACM), 2014)
      Conference report
      Open Access
      Optimizing energy consumption and end-to-end (e2e) packet delay in energy constrained distributed wireless networks is a conflicting multi-objective optimization problem. This paper investigates this trade-off from a ...
    • Can bus bootloader for the STM32F407VG 

      Landeo Márquez, Ricardo José (Universitat Politècnica de Catalunya, 2017-06-15)
      Master thesis
      Open Access
      The main objective of this project is to develop a Python application to transfer files in Intel hex format from a PC to a single STM32F407VG microcontroller using Can Bus protocol. The USB-Can adapter/converter used for ...