Now showing items 87-106 of 115
Hejja, Khaled (Date of defense: 2019-07-15)
Most of the algorithms that solved the resource allocation problem, used to apply greedy algorithms to select the physical nodes and shortest paths to select the physical edges, without sufficient coordination between ...
Ortiz-Gaona, Raúl (Date of defense: 2020-09-16)
Online social networks (OSNs) are increasinglyused by different sectors of societywith the purpose of informing and influencing people. These sectors are: govemments, political parties, non-govemmental organizations, ...
Estrada Jiménez, José Antonio (Date of defense: 2020-10-02)
Online advertising is consistently considered as the pillar of the "free• content on the Web since it is commonly the funding source of websites. Furthermore, the option of delivering personalizad ads has tumed advertising ...
Parra Arnau, Javier (Date of defense: 2013-12-02)
In recent times we are witnessing the emergence of a wide variety of information systems that tailor the information-exchange functionality to meet the specific interests of their users. Most of these personalized information ...
Robles González, Antonio (Date of defense: 2023-10-05)
(English) Smart community services are reaching nearly every area of our daily life, often requiring private information from their users. The scope of all contributors to these services is to collaboratively share information ...
Galarza Osio, Miguel Ángel (Date of defense: 2020-01-31)
The PhD research project is framed within the plan of industrial doctorates of the “Generalitat de Catalunya”. During the investigation, most of the work was carried out at the facilities of the vehicle manufacturer SEAT, ...
Richart, Matías (Date of defense: 2019-11-01)
Network slicing has recently been proposed as one of the main enablers for 5G networks; it is bound to cope with the increasing and heterogeneous performance requirements of these systems. To "slice'' a network is to ...
Hamouda, Ahmed Mohamed Abdelaty Elmekkawi (Date of defense: 2021-09-30)
The upcoming Beyond Fifth Generation networks aim to meet network services characterized by low latency and high reliability among others in different slices to provide a high-quality user experience. However, existing ...
Garfias Hernández, Paola (Date of defense: 2013-11-25)
The last decades, we have witnessed different phenomenology in the telecommunications sector. One of them is the widespread use of the Internet, which has brought a sharp increase in traffic, forcing suppliers to continuously ...
Andrade Jardín, Marilet de (Date of defense: 2010-11-23)
This thesis is a result of contributions to optimize or improve resource allocation in Passive Optical Networks (PON). The contributions are related with resource allocation during PON operation and with the upgrade process ...
Jiménez Agudelo, Yury Andrea (Date of defense: 2016-07-06)
The simplicity of Internet design has led to enormous growth and innovation. In recent decades several network technologies, services and applications have appeared, which demand specific network requirements for their ...
Caubet Fernández, Juan (Date of defense: 2016-01-25)
Structured Peer-to-Peer (P2P) networks were proposed to solve routing problems of big distributed infrastructures. But the research community has been questioning their security for years. Most prior work in security ...
Suárez Touceda, Diego (Date of defense: 2011-07-26)
P2PSIP (Peer-to-Peer Session Initiation Protocol) is a protocol developed by the IETF (Internet Engineering Task Force) for the establishment, completion and modi¿cation of communication sessions that emerges as a complement ...
Bartoli, Andrea (Date of defense: 2013-06-18)
Nowadays, the great diffusion of advanced devices, such as smart-phones, has shown that there is a growing trend to rely on new technologies to generate and/or support progress; the society is clearly ready to trust on ...
Morales Rocha, Víctor Manuel (Date of defense: 2009-03-13)
En los últimos años se han estado utilizando medios electrónicos para automatizar y hacer más eficientes los diferentes procesos de una elección. Aún cuando esta automatización se ha presentado de manera gradual, el propósito ...
Forné Muñoz, Jordi (Date of defense: 1997-01-23)
El estudio de arquitecturas de seguridad para redes de transmisión de datos adquiere cada día mayor importancia.<br/><br/>Por otra parte, es un hecho constatado que el mundo de las telecomunicaciones camina decididamente ...
Hinarejos Campos, M. Francisca (Date of defense: 2010-06-30)
Technology progress in both user devices and networks allows communications anytime and anywhere. New communication environments offer a wide range of possibilities to users, but also generate new threats. For this reason, ...
García Villegas, Eduardo (Date of defense: 2010-02-18)
Les xarxes d'àrea local sense fils (WLANs), principalment les basades en les diverses versions de les normes IEEE 802.11, i més concretament, aquelles operant en mode infraestructura (ús de punts d'accés o APs), són avui ...
Llorens Carrodeguas, Alejandro (Date of defense: 2023-01-26)
(English) With the development of industry and society, new verticals have emerged such as Industry 4.0, cooperative sensing, and massive IoT. These verticals require network robustness and availability to maintain high ...
Leyva Pupo, Irian (Date of defense: 2023-01-26)
(English) This doctoral thesis focuses on the design of strategies (i.e., exact and heuristic-based methods) to optimize the placement and reconfiguration of user plane functions (UPFs) in 5G and beyond networks. These ...