Exploració per tema "Xarxes de comunicacions"
Ara es mostren els items 38-57 de 74
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Femtocell versus wifi: a quantitative and qualitative experimental performance analysis
(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
(Universitat Politècnica de Catalunya, 2019-02)
Treball Final de Grau
Accés obertThe 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
(Universitat Politècnica de Catalunya, 2019-01)
Treball Final de Grau
Accés obertEn 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
(Universitat Politècnica de Catalunya, 2013-04-02)
Projecte Final de Màster Oficial
Accés obertThe 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
(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
(Universitat Politècnica de Catalunya, 2008-12-18)
Projecte/Treball Final de Carrera
Accés obertEn 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++.
(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
(Universitat Politècnica de Catalunya, 2016-05-11)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: Institut national polytechnique de GrenobleThe 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
(Institute of Electrical and Electronics Engineers (IEEE), 2003)
Comunicació de congrés
Accés restringit per política de l'editorialThe 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
(IEEE Computer Society Publications, 2008)
Text en actes de congrés
Accés obertAt 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
(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
(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
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Comunicació de congrés
Accés obertThe 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 ... -
Opportunistic scheduling for WLAN systems using cross-layer techniques and a distributed MAC
(Institute of Electrical and Electronics Engineers (IEEE), 2005)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper proposes a novel Cross-Layer optimization mechanism for WLAN systems and analyses its performance in terms of throughput and mean packet delay. The proposed scheme makes use of a MAC-PHY interaction and a ... -
Optimal MISO pre-equalization for filter bank multicarrier systems
(2009)
Text en actes de congrés
Accés restringit per política de l'editorialOne of the phenomena that degrades the performance of multicarrier modulation (MCM) systems is the spectral nulls that multipath channel may have. As a result, the affected subcarrier signals may be severely degraded ... -
Optimització de xarxes a partir del grau d'intermediació dels enllaços
(Universitat Politècnica de Catalunya, 2011-09-07)
Projecte/Treball Final de Carrera
Accés obertEnglish: In this project we study the optimization of a complex network based on the geographical length of the links and the number of geodesic paths that go through them (edge betweenness). By considering relevant ... -
Optimization of inter-domain presence traffic based on privacy rule sharing: performance and impact on the IMS
(2012)
Article
Accés restringit per política de l'editorialPresence information was the key enabler of the great success of instant messaging applications. This information was first limited to simple binary states such as online, offline, or busy. However, it is currently evolving ... -
Performace evaluation of geographic and topological routing protocols for Vehicular Ad.hoc Networks
(Universitat Politècnica de Catalunya, 2012-05-25)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] VANETs (Vehicular Ad-hoc Networks) are an emerging new technology which integrates the capabilities of new generation wireless networks to vehicles. It includes a variety of applications such as co-operative traffic ... -
Performance evaluation of realistic scenarios for vehicular ad hoc networks with CityMob and NCTUns simulators
(Universitat Politècnica de Catalunya, 2011-06-16)
Projecte/Treball Final de Carrera
Accés obertCatalà: El continu creixement del parc automobilístic a nivell mundial ha obert noves oportunitats de negoci i noves necessitats de seguretat viària. La mobilitat constant dels individus i la necessitat d'estar sempre ... -
Performance evaluation of two-fuzzy based cluster head selection systems for wireless sensor networks
(2008-01-01)
Article
Accés obertSensor networks supported by recent technological advances in low power wireless communications along with silicon integration of various functionalities are emerging as a critically important computer class that enable ...