Exploració per tema "Xarxes de comunicacions"

Ara es mostren els items 31-50 de 74

    • Encriptación Ethernet a Nivel 2 

      Santos López, David (Universitat Politècnica de Catalunya, 2013-07)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] The present technical report gathers the work development about basic experimental prototype data encryption layer 2 for Ethernet networks up to 1Gpbs (Gigabit Ethernet) done at W-onesys S.L company which is offered ...

    • Energy efficient algorithm and DTN implementations in MANETs 

      López Lenguas, Alex (Universitat Politècnica de Catalunya, 2013-07-24)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] Disaster and military communication scenarios are very challenging for today telecommunication technologies. The lack of infrastructure, the jamming and disconnections that present these scenarios requires improved ...

    • Energy-efficient media content storage and distribution 

      Grau Miró, Josep (Universitat Politècnica de Catalunya, 2013-06)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Lunds universitet
      [ANGLÈS] Internet is a tool that today has become indispensable in our lives. Its use has become a fact so important that this network infrastructure deployed today requires a lot of energy to make it work. Depending what ...

    • Estudi de viabilitat de models de desplegament alternatius d'infraestructures de telecomunicació en la Catalunya rural 

      Camps Gubieras, Marc (Universitat Politècnica de Catalunya, 2016-07)
      Treball Final de Grau
      Accés obert
      The coverage of telecommunication services is not uniform in the various counties and Catalan municipalities. Investments in telecommunication infrastructures of dominant operators are conditioned mainly by its profitability. ...

    • Estudi experimental d'una xarxa LTE amb la plataforma OpenAirInterface (OAI) 

      Sariol Rustarazo, David (Universitat Politècnica de Catalunya, 2018-05)
      Treball Final de Grau
      Accés obert
      The mobile communications is a sector in constant technological evolution to keep pace with a continuous increasing users demand, especially for data and video services. Currently, the LTE (Long Term Evolution) technology, ...

    • Experimentación con relojes de alta precisión para la monitorización de tráfico en redes de ordenadores 

      Soler Camí, Jordi (Universitat Politècnica de Catalunya, 2012-05-07)
      Treball Final de Grau
      Accés obert
      Los operadores de redes de comunicaciones necesitan realizar una monitorización muy precisa del tráfico transportado. Ya sea para mantener la calidad necesaria en servicios en tiempo real (como por ejemplo una videoco ...

    • Exploring the limits of cloud computing 

      Delgado Garcia, Victor (Universitat Politècnica de Catalunya, 2011-10-04)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Kungliga Tekniska högskolan
      English: Cloud computing is a new computing paradigm that aims to transform computing into a utility, just as electricity is. With cloud computing, users will contract for on-demand and scalable resources rather than having ...

    • Femtocell versus wifi: a quantitative and qualitative experimental performance analysis 

      Bella, Lorenzo (Universitat Politècnica de Catalunya, 2012-05-08)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   King's College London
      [ANGLÈS] Experimental analysis of Femtocells behavior and performances from the user point of view, in comparison with a Wi-Fi approach

    • Functional models and procedures for the automated management of RAN Slicing 

      Centeno García, Nerea (Universitat Politècnica de Catalunya, 2019-02)
      Treball Final de Grau
      Accés obert
      The jump from 4G to 5G connections may sound like a small change that does not involve much innovation, but it is not. Since apart from improving the achievements of the 4G, it will be provided new advances, applications ...

    • Implementació bàsica i proves de funcionament de la plataforma ONOS 

      Fernández Solà, Pau (Universitat Politècnica de Catalunya, 2019-01)
      Treball Final de Grau
      Accés obert
      En los últimos tiempos las redes han experimentado un punto de inflexión debido al incremento de las dimensiones, los requerimientos necesarios para seguir dando unas prestaciones óptimas, la aparición del 'big data' y el ...

    • Implementación de un sistema de comunicaciones inalámbrico con lógica reconfigurable 

      Quinto Recio, Francisco José (Universitat Politècnica de Catalunya, 2013-04-02)
      Projecte Final de Màster Oficial
      Accés obert
      The goal of the project is to implement, using the Xilinx MicroBlaze microprocessor embedded and a wireless communications module eZ430-RF2500T Texas Instruments system, that allows building a distributed sensor network. ...

    • Implementation of a network emulator for Linux 

      Temprado Garriga, Elisenda (Universitat Politècnica de Catalunya, 2015-03-12)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
      [ANGLÈS] This thesis is about an implementation of a network emulator for Linux. This tool allows the user to investigate the impact of networks on algorithms and protocols that require real network connections. These ...

    • Integración de servicios triple-play virtualizados para entornos multiusuario de acceso con fibra hasta el hogar 

      Ros Martí, Jordi (Universitat Politècnica de Catalunya, 2008-12-18)
      Projecte/Treball Final de Carrera
      Accés obert
      En este documento se estudia la creación e implementación de una plataforma de virtualización para ofrecer servicios triple-play en entornos de acceso de fibra hasta el hogar con pocos puntos finales de conexión usando ...

    • Integración de un nuevo protocolo de enrutamiento para MANET en el simulador Oment++. 

      Ruiz Díaz, Raul; Ruiz Paños, Jordi (Universitat Politècnica de Catalunya, 2014-03-19)
      Treball Final de Grau
      Accés obert
      [ENGLISH] Ad-Hoc networks are formed by a set of wireless mobile nodes that lack a made up of fixed access infrastructure. In such scenario, it is important to use a routing protocol that is capable of performing the route ...

    • LoRa protocol. Evaluations, limitations and practical test 

      Ruano Lin, Eduard (Universitat Politècnica de Catalunya, 2016-05-11)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Institut national polytechnique de Grenoble
      The aim of this study is to shed light on the new LoRaTM protocol, one of the many technologies that is presented as the definitive solution to cover the increasing needs of the Low Power Wide Area Networks created to ...

    • MAC-PHY enhancement for 802.11b WLAN systems via cross-layering 

      Alonso Zárate, Luis Gonzaga; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2003)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The paper analyses the performance of a novel MAC-PHY scheme for wireless local area networks (WLAN) that makes use of distributed queues and cross-layer concepts to improve radio channel utilisation. Analytical values for ...

    • Maximum Coverage at Minimum Cost for Multi-Domain IP/MPLS Networks 

      Yannuzzi, Marcelo; Masip Bruin, Xavier; Serral Gracià, René; Marín Tordera, Eva; Sprintson, Alex; Orda, Ariel (IEEE Computer Society Publications, 2008)
      Text en actes de congrés
      Accés obert
      At present, service providers have several incentives to extend the reach of long-lived MPLS paths across domains. Providers, however, will face a number of trade-offs while choosing the optimal set of MPLS paths to be ...

    • Metaconsola para monitorización de infraestructuras y servicios 

      Riba Santos, Corina Isabel (Universitat Politècnica de Catalunya, 2016-10)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat

    • Migración de la red de comunicaciones de un cliente de servicios de red 

      Navarro Betrián, Jose Antonio (Universitat Politècnica de Catalunya, 2013-05-28)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      [ANGLÈS] The study presents the migration of all communication networks by a company, from now on we will call ACME S.L. We will analyze the current network situation, the reasons for the change, we will gather the ...

    • On the controller placement for designing a distributed SDN control layer 

      Jiménez Agudelo, Yury Andrea; Cervelló Pastor, Cristina; García García, Aurelio Javier (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Comunicació de congrés
      Accés obert
      The software-defined network (SDN) advocates a centralized network control, where a controller manages a network from a global view of the network. Large SDN networks may consist of multiple controllers or controller domains ...