Browsing by Subject "Local area networks (Computer networks)"

Now showing items 1-20 of 80

    • A distributed energy-aware routing algorithm in software-defined networks 

      Fernández Fernández, Adriana; Cervelló Pastor, Cristina; Ochoa Aday, Leonardo (2016)
      Conference report
      Restricted access - publisher's policy
      In this paper we address the issue of designing a novel distributed routing algorithm that optimizes the power consumption in large scale software-defined networks (SDN) with multiple domains. The solution proposed, called ...

    • Achievable bandwidth estimation for stations in multi-rate IEEE 802.11 WLAN cells 

      García Villegas, Eduard; Viamonte Solé, David; Vidal Ferré, Rafael; Paradells Aspas, Josep (2007-04-16)
      Conference report
      Open Access
      This paper analyzes the effect of multi-rate transmissions in a CSMA wireless LAN environment. Observations in a real testbed showed that bandwidth resources (in Bytes/s) are shared fairly among all stations even though ...

    • Adaptation of the application QUALIFO to communicate with the Photon Kinetics 8000 OTDR 

      Hidalgo Castro, Alberto; Manuel Lázaro, Antonio (2010-12-01)
      Article
      Open Access
      In this paper we present the adaptation of QUALIFO, a software designed to assure and control the quality of optic fiber cables, to a new OTDR model, concretely the Photon Kinetics 8000. While the communication with the ...

    • Anàlisi i disseny de sistemes de telecomunicacions intergals d'àmbit local 

      Pons París, Pere Joan (Universitat Politècnica de Catalunya, 2008-06-27)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Cisco Meraki / Televisió de Vallirana
      Aquest Projecte de Fi de Carrera té, com a objectiu principal, demostrar la utilitat que les noves tecnologies de la informació i de la comunicació proporcionen a les societats (municipis, associacions, col.lectius...) ...

    • Análisis de los patrones de asociación óptimos para los usuarios de las redes 802.11 

      Martin Cerruela, Ainhoa (Universitat Politècnica de Catalunya, 2017-06-06)
      Bachelor thesis
      Open Access
      In recent years, an increment of devices requesting an Internet connection has been seen. Due to this demand, the number of access points (APs) has increased. This increase causes situations in which a device is within ...

    • Automatización del aprovisionamiento de servidores y despliegue de servicios en un centro de datos 

      Villacorta Morera, Marc (Universitat Politècnica de Catalunya, 2015-09-15)
      Bachelor thesis
      Restricted access - author's decision
      The aim of this project is to provide a solution to two scalability issues that arise in big computation infraestructures: Inefficient resources utilization in the data center and the increase of the management complexity. ...

    • Automatización y despliegue de servidores en un cluster privado 

      Baena Navarro, Manuel Alejandro (Universitat Politècnica de Catalunya, 2016-07-12)
      Bachelor thesis
      Open Access
      This project attempts to solve the problems of a company using a available and unused hardware. It will try to solve the inefficient management of technology resources of the data center while providing tools for ...

    • Available Admission Capacity Estimations in IEEE 802.11 Access Points 

      García Villegas, Eduard (2008-04-01)
      Research report
      Open Access
      This technical report is intended to provide extended information about the Available Admission Capacity estimation mechanism for IEEE 802.11 cells previously presented. The original formulation has been revised in this ...

    • Avaluació i validació dels models d'implantació d'una xarxa UMTS 

      Haro Escudero, Eva (Universitat Politècnica de Catalunya, 2007-06-19)
      Master thesis (pre-Bologna period)
      Open Access
      UMTS suposa un dels avanços més significatius de l’evolució de les telecomunicacions i permet que moltes més aplicacions i serveis s’introdueixin a la base mundial d’usuaris proporcionant un enllaç vital entre els ...

    • Characteristics and evaluation of IEEE 802.11n standard 

      Garcia Gil, Sergio (Universitat Politècnica de Catalunya, 2013-07-22)
      Bachelor thesis
      Open Access
      El objetivo de este trabajo final de carrera es caracterizar y evaluar las diferentes funcionalidades y mejoras que aporta el nuevo estándar IEEE 802.11n respecto a sus antecesores. Para ello se hace un estudio teórico ...

    • Characterization of reconfigurable antennas in real Wifi environments 

      Castellanos de Rojas, Adrian (Universitat Politècnica de Catalunya, 2015-02-03)
      Bachelor thesis
      Open Access
      [ANGLÈS] The purpose of this project is to characterize two reconfigurable microstrip antennas at 5 GHz against the common Wifi monopole, by measuring them in real Wifi environments. From the measurements, conclusions on ...

    • Configuración e implantación de un sistema de gestión centralizada 

      Sanchez Abril, Angel (Universitat Politècnica de Catalunya, 2014-07-23)
      Bachelor thesis
      Restricted access - author's decision
      [ABSTRACT] This work is part of the Information Infrastructure initiative in Telefónica I+D. The initiative focuses on offering support to all the users and corporative services inside the Company, from provisioning both ...

    • Containerizing ONAP using Kubernetes and Docker 

      Toro Marin, Albert (Universitat Politècnica de Catalunya, 2019-07-23)
      Master thesis
      Open Access
      This document explains the deployment of virtualized network functions in a private cloud through ONAP, together with the architecture used, the machines employed and the software required. ONAP (Open Networking Automation ...

    • Convertidor para control de cristal de transparencia electrocontrolable 

      Rivera Castro, Alejandro (Universitat Politècnica de Catalunya, 2018-07)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • Coordinated node and link mapping VNE using a new paths algebra strategy 

      Hesselbach Serra, Xavier; Amazonas, Jose Roberto; Villanueva, Santi; Felipe Botero, Juan (2016-07-01)
      Article
      Open Access
      The main resource allocation research challenge in network virtualization is the Virtual Network Embedding (VNE) Problem. It consists of two stages, usually performed separately: node mapping and link mapping. A new ...

    • Cómo conocer el uso actual de las redes WLAN basadas en IEEE 802.11 

      Tena Carbonell, Xavier (Universitat Politècnica de Catalunya, 2013-12-04)
      Bachelor thesis
      Open Access
      The objectives of this work are the analysis of wireless networks based on IEEE 802.11a, 802.11b 802.11g and 802.11n standards. We study various parameters and characteristics to later carry out a statistical study on its ...

    • Cramér-Rao lower bound for breakpoint distance estimation in a path-loss model 

      Castro Arvizu, Juan Manuel; Closas Gómez, Pau; Fernández Rubio, Juan Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      This paper addresses the problem of determining the Cramér-Rao lower bound (CRLB) for the parameters and breakpoint distance in a Path-Loss Channel model for Received Signal Strength (RSS) measurements. The path loss model ...

    • Desarrollo de una red de sensores medioambientales con protocolo Zigbee 

      de Pablo Escolá, Ana (Universitat Politècnica de Catalunya, 2007-02-08)
      Master thesis (pre-Bologna period)
      Open Access
      El objetivo principal de este trabajo es el diseño y gestión de una red de módulos ZigBee que permita, como posible aplicación, controlar una serie de sensores medioambientales situados en el campus de la EPSC. El primer ...

    • Desenvolupament d'un node sensor per a monitorització climàtica/ambiental 

      González López, Pablo (Universitat Politècnica de Catalunya, 2009-05-04)
      Master thesis (pre-Bologna period)
      Open Access

    • Development of a wireless network model for controling environmental and work safety in ports of developing countries 

      Colomer Rodriguez, Joan (Universitat Politècnica de Catalunya, 2015-06)
      Bachelor thesis
      Open Access
      Covenantee:   Rheinisch-Westfälische Technische Hochschule Aachen
      The project goal is to propose cost effective and feasible scenarios of employing Wireless Network Sensors (WSN) in improving occupational health and safety at harsh industrial environment. The Port of Bar (Montenegro) is ...