Mostrando ítems 103-115 de 115
Hinarejos Campos, M. Francisca (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 ...
Botero Vega, Juan Felipe (Fecha de defensa: 2013-06-21)
Network virtualization is recognized as an enabling technology for the future Internet. It aims to overcome the resistance of the current Internet to architectural change and to enable a new business model decoupling the ...
Machado Sánchez, Sergio (Fecha de defensa: 2016-02-03)
The peer-to-peer (P2P) overlay networks are distribution topologies that take advantage of the ability that their nodes have to forward the information that they receive. For the particular case of video transmission using ...
Pérez Costa, Xavier (Fecha de defensa: 2005-05-09)
In this thesis the state of the art for IP networks and the two most predominant wireless access networks, UMTS and Wireless LANs, has been reviewed with respect to the enhancements required toward the objective of supporting ...
Ferragut Martínez-Vara de Rey, Jaime (Fecha de defensa: 2014-07-29)
The growth in user demand for higher mobile data rates is driving Mobile Network Operators (MNOs) and network infrastructure vendors towards the adoption of innovative solutions in areas that span from physical layer ...
Temesgene, Dagnachew Azene (Fecha de defensa: 2020-07-21)
Due to the rapid growth of mobile data traffic, future mobile networks are expected to support at least 1000 times more capacity than 4G systems. This trend leads to an increasing energy demand from mobile networks which ...
Sebé Feixas, Francesc (Fecha de defensa: 2003-02-07)
Aquesta tesi tracta la protecció de dades quan aquestes han de ser lliurades a usuaris en qui no es té absoluta confiança. En aquesta situació, les dades s'han de protegir de manera que segueixin essent utilitzables. Aquesta ...
Barceló-Arroyo, Francisco (Fecha de defensa: 1997-04-11)
En el capítulo 1 se presentan algunos conceptos básicos relacionados con el tráfico de voz, junto a los modelos más comúnmente utilizados en la evaluación y dimensionado de sistemas de telefonía móvil. En todos los casos ...
Expósito Ventura, Marta (Fecha de defensa: 2023-04-20)
(English) Online advertising makes possible most of the freely available online content and services. However, it is far from being mature and there are still controversial topics that need to be addressed. One of these ...
Oller i Bosch, Joaquim (Fecha de defensa: 2015-03-06)
During the recent years, the research related to Wake-up Radio (WuR) systems has gained noticeable interest. In WuR systems, a node initiating a communication first sends a Wake-up Call (WuC) by means of its Wake-up ...