Universitat Politècnica de Catalunya
Mostrando ítems 1-20 de 111
(English) The advent of the internet, marked by pivotal developments such as the launch of Arpanet and the standardization of HTTP, has irrevocably changed the fabric of modern society. Centralized platforms like Microsoft, ...
Key to the success of the mobile telecommunication systems is provision of mobility and more specifically, continuity of communication sessions on the move. However, from engineering point of view the cobination of scarce ...
(English) This thesis studies and proposes solutions to some of the most relevant challenges in the Radio Access Network (RAN) management arising from its evolution beyond 5G and towards 6G. The tackled problems are selected ...
Online communications generate a consistent amount of data flowing between users, services and applications. This information results from the interactions among different parties, and once collected, it is used for a ...
La ràpida evolució d’Internet i l’àmplia gamma de noves aplicacions (per exemple, multimèdia, videoconferència, jocs en línia, etc.) ha fomentat canvis revolucionaris en la manera com ens comuniquem. A més, algunes d’aquestes ...
This PhD thesis has the characteristic to span over a long time because while working on it, I was working as a research engineer at CTTC with highly demanding development duties. This has delayed the deposit more than I ...
Vehicular ad hoc networks (VANETs) are emerging as an functional technology for providing a wide range of applications to vehicles and passengers. Ensuring secure functioning is one of the prerequisites for deploying ...
Este trabajo presenta tanto el estado del arte como el análisis de las principales propuestas de protección de agentes móviles frente a los ataques de la plataforma de ejecución. La comprensión del problema de los hosts ...
Usually multimedia services can be divided into two different phases: access to the service and content distribution. The first phase usually takes place over reliable transport protocols and unicast connections. The second ...
Hoy en día, entre los servicios más solicitados por los usuarios en las redes de comunicaciones, se encuentran aquellos que incorporan información multimedia. En Internet, es habitual que un gran número de páginas web ...
Authentication and authorisation architectures based on certificates have not been widely accepted due to their cost, inflexibility and difficult management.<br/>The complexity of the Public Key Infrastructure (PKI) is ...
La exitosa implantación de la telefonía móvil a escala mundial presenta una muy importante oportunidad para la expansión del comercio electrónico sobre entornos inalámbricos. El comercio electrónico para móviles, m-Commerce, ...
The mobile ad-hoc networks are part of the next generation access networks (Next Generation Networking o NGN), "all-IP" networks facing the great scientific and technical challenge that is the ubiquitous computing The ...
Internet, la mayor red de ordenadores del mundo, formada por millones de terminales repartidos por todo el planeta, está basada en la arquitectura de protocolos TCP/IP, cuyas aplicaciones más utilizadas son, sin duda, el ...
Los servicios y aplicaciones ofrecidos en Internet demandan, con mayor frecuencia, un determinado nivel de servicio para su correcto funcionamiento. Esto supone el desarrollo de mecanismos que permitan ofrecer calidad de ...
El acceso a las redes ATM y el dimensionado de sus recursos son cuestiones clave ya que cada vez hay una mayor demanda de ancho de banda por parte de los usuarios. Sin embargo, se necesitan alternativas económicamente ...
En esta Tesis se plantea una solución para soportar Calidad de Servicio en Internet. Esta solución, denominada IntServ6, opera sobre redes fijas y móviles basadas en el protocolo IPv6. IntServ6 está fundamentada en la ...
The constant mobility of people, the growing need to be always connected, the large number of vehicles that nowadays can be found in the roads and the advances in technology make Vehicular Ad hoc Networks (VANETs) be a ...
5G/6G services and applications, in the context of the eMBB, mMTC and uRLLC network slicing framework, whose network infrastructure requirements may span beyond the coverage area of a single Infrastructure Provider (InP), ...
For some time now, big data applications have been enabling revolutionary innovation in every aspect of our daily life by taking advantage of lots of data generated from the interactions of users with technology. Supported ...
