Now showing items 7-26 of 43

  • Calidad de Servicio en redes NGN 

    García Subirón, Sergio (Universitat Politècnica de Catalunya, 2012-07-11)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] This final project provides an overview of the current state of NGN (Next Generation Networks), identify the reasons that encourage migration to these networks and discusses the various avenues of research that ...
  • Comprehensive explanation of SLA violations at runtime 

    Müller Cejas, Carlos Guillermo; Oriol Hilari, Marc; Franch Gutiérrez, Javier; Marco Gómez, Jordi; Resinas Arias de Reyna, Manuel; Ruiz Cortés, Antonio; Rodríguez Navarro, Marc (2014-04-01)
    Article
    Restricted access - publisher's policy
    Service Level Agreements (SLAs) establish the Quality of Service (QoS) agreed between service-based systems consumers and providers. Since the violation of such SLAs may involve penalties, quality assurance techniques have ...
  • Contribution to the Study, Design and Analysis of a System to Provide QoS for Virtual Networking 

    Madriles Soriano, Josep Oriol (Universitat Politècnica de Catalunya, 2011-10-21)
    Master thesis
    Open Access
    English: Virtualization is one of the long term solutions to face Internet ossification problem which is unable to support new services due to the lack of coordination between different Internet Service Providers. By ...
  • Cross-layer packet scheduler for QoS support over digital video broadcasting-second generation broadband satellite systems 

    Rendón Morales, Elizabeth; Mata Diaz, Jorge; Alins Delgado, Juan José; Muñoz Tapia, José Luis; Esparza Martín, Óscar (2014-10-01)
    Article
    Restricted access - publisher's policy
    This article presents a cross-layer packet scheduler to provide end-to-end QoS guarantees for Digital Video Broadcasting-Second Generation (DVB-S2) broadband satellite systems. The scheduler design is based on a cross-layer ...
  • Cross-layer schedulling strategy for UMTS downlink enhancement 

    Ferrús Ferré, Ramón Antonio; Alonso Zárate, Luis Gonzaga; Umbert Juliana, Anna; Revés Ballesté, Xavier; Pérez Romero, Jordi; Casadevall Palacio, Fernando José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-06)
    Article
    Open Access
    This article describes the benefits of including cross-layer information in the scheduling mechanism of a UMTS downlink channel. In particular, the information obtained from the fast power control algorithm is used to ...
  • Demonstration of C/S based hardware accelerated QoT estimation tool in dynamic impairment-aware optical network 

    Simeonidou, Dimitra; Nejabati, Reza; Qin, Yixuan; Cheng, Kevin C.S.; Triay Marquès, Joan; Escalona, Eduard; Zervas, Georgios S.; Zarris, George; Amaya González, Norberto; Cervelló Pastor, Cristina (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Conference report
    Open Access
    An enhanced version of hardware accelerated QoT estimation tool in impairment-aware optical network is demonstrated and evaluated against the different number of lightpaths and wavelengths per link. It outperforms the ...
  • Desarrollo e implementación de un sistema de monitorización y estimación de QoS orientado a la percepción del usuario de los principales servicios de UPCnet 

    Camacho Ramirez, Joseph Vicente (Universitat Politècnica de Catalunya, 2011-02-17)
    Master thesis (pre-Bologna period)
    Open Access
    Català: El desenvolupament del projecte va consistir en el disseny i implementació d'un sistema automatitzat de monitoratge enfocat a avaluar la qualitat de servei. Aquest projecte va ser plantejat pel Departament ...
  • Design and Performance Evaluation of Passive Optical Networks 

    Cobos Melià, Víctor (Universitat Politècnica de Catalunya, 2011-06-14)
    Master thesis
    Open Access
    Currently, new housing developments in many places around the world are built with fiber-based connections to the home, and network providers are conducting field-testing and experiments with fiber access. In order to ...
  • Design of a privacy-aware routing protocol for vehicular ad hoc networks 

    Daunou, Adrien (Universitat Politècnica de Catalunya, 2012-02-17)
    Master thesis
    Open Access
    English: the continued growth of the vehicular fleet has opened new business opportunities and new needs of road safety. The constant mobility of individuals and the necessity of staying connected makes studying the ...
  • Diseño de red VoIP para empresa multi-sede 

    Garcia Llamas, Oscar (Universitat Politècnica de Catalunya, 2014-07)
    Master thesis (pre-Bologna period)
    Open Access
    El siguiente proyecto trata el diseño de una red de voz IP, sobre una red de datos ya existente, para una organización que cuenta con 179 delegaciones distribuidas por toda la geografía nacional y un total de más de 4000 ...
  • Diseño e implantación de una red de comunicaciones para una empresa de logística 

    Vega Casas, Sergio (Universitat Politècnica de Catalunya, 2010)
    Master thesis (pre-Bologna period)
    Open Access
    El presente proyecto trata sobre el diseño e implantación de una red de comunicaciones para una empresa de logística con sede central en Barcelona y 6 delegaciones distribuidas en distintos puntos de la geografía ...
  • Diseño e implementación de un servidor de comunicaciones para redes multidisciplinares con acceso seguro a internet, alta disponibilidad y calidad de servicio 

    González Fernández, Abelardo (Universitat Politècnica de Catalunya, 2012-09-04)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] This project arises from the need to improve the performance of the connection of the student residence in Terrassa with the University network and the Internet. The student residence in Terrassa Campus (RESA) was ...
  • Diseño y evaluación de algoritmos para la selección de redes de comunicaciones móviles según la calidad del servicio 

    Rodriguez Lopez, Jose Antonio (Universitat Politècnica de Catalunya, 2011-12-22)
    Master thesis (pre-Bologna period)
    Open Access
    Over the last few years there has been an extraordinary evolution in mobile and wireless communications, also in the mobiles characteristics and data services and applications that require a great quantity of resources ...
  • Disseny i implementació de mecanismes del pla de control en un prototipus de xarxa OBS 

    Fernández Molina, Pablo (Universitat Politècnica de Catalunya, 2011-05-26)
    Bachelor thesis
    Open Access
    L’objectiu principal plantejat en aquest projecte ha estat optimitzar el pla de control d’un prototipus de xarxa de Commutació de Ràfegues Òptiques (OBS, Optical Burst Switching) del qual ja se'n disposava d'un disseny ...
  • Duo-MAC: Energy and time constrained data delivery MAC protocol in wireless sensor networks 

    Doudou, Messaoud; Alaei, Mohammad; Djenouri, Djamel; Barceló Ordinas, José María; Badache, Nadjib (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Restricted access - publisher's policy
    We present Duo-MAC, an asynchronous cascading wake-up scheduled MAC protocol for heterogeneous traffic forwarding in low-power wireless networks. Duo-MAC deals with energy-delay minimization problem and copes with transmission ...
  • Energy efficient algorithm and DTN implementations in MANETs 

    López Lenguas, Alex (Universitat Politècnica de Catalunya, 2013-07-24)
    Master thesis (pre-Bologna period)
    Open Access
    [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 ...
  • Estrategias de scheduling para la asignación de recursos radio en una red móvil celular 

    Jofre Ponsati, Jordi (Universitat Politècnica de Catalunya, 2007-03)
    Master thesis (pre-Bologna period)
    Open Access
    En el siguiente documento se analiza el comportamiento de las disciplinas de servicio NEDF (Normalized Earliest Deadline First) y SCFQ (Self-Clocked Fair Queue) aplicadas en el enlace descendente de un recurso móvil con ...
  • Extension of the GMPLS control plane for the multilayer service differentiation 

    Campiglia, Gianpaolo (Universitat Politècnica de CatalunyaVrije Universiteit BrusselPolitecnico di Torino, 2012)
    Master thesis
    Open Access
    Transport networks have moved towards a model called Automatically Switched Optical Network (ASON) controlled by the Generalized Multi-protocol Label Switching (GMPLS) control plane. An ASON/GMPLS network is an intelligent ...
  • Gestió i control de qualitat de servei a xarxes SDN en temps real 

    Guija, Alcaraz (Universitat Politècnica de Catalunya, 2014-07)
    Bachelor thesis
    Open Access
    Este proyecto se centra en la emergente arquitectura de Software Defined Networking (SDN) para diseñar y desarrollar una aplicación SDN (SDNApp) basada en el paradigma de Servicios de Red bajo demanda (NaaS) para proporcionar ...
  • Gestión de QoS para servicios multimedia 

    Muñoz Montesinos, Pau (Universitat Politècnica de Catalunya, 2009-07-17)
    Master thesis (pre-Bologna period)
    Open Access