Now showing items 5221-5240 of 5479
Temesgene, Dagnachew Azene (Date of defense: 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 ...
Cerdà Alabern, Llorenç (Date of defense: 2000-01-13)
Data traffic has emerged as a big challenge for the standardization of traffic management mechanisms in ATM networks. In April 1996 the ATM Forum published the first version of the Available Bit Rate Service Category (ABR) ...
Trakas, Panagiotis (Date of defense: 2019-05-31)
The rise of third-party content providers and the introduction of numerous applications has been driving the growth of mobile data traffic in the past few years. In order to tackle this challenge, Mobile Network Operators ...
Sáez García, Raúl (Date of defense: 2021-10-01)
The growth in air traffic has led to a continuously growing environmental sensitivity in aviation, encouraging the research into methods for achieving a greener air transportation. In this context, continuous descent ...
Tejedor Papell, Gemma (Date of defense: 2019-11-21)
This research aims to improve engineering education in sustainability (EESD) through transdisciplinarity (td) learning approaches. The research comprised 3 phases. The first consisted of the analysis of how sustainability ...
Fernández Belmonte, Diego (Date of defense: 2009-02-25)
La evaluación preliminar de los resultados de la Reforma Ferroviaria Europea muestra la lentitud de su implementación y la existencia de insuficiencias en el nivel de competencia introducido en el mercado y en la consecución ...
Gouza, Assia (Date of defense: 2016-02-04)
The knowledge transfer in traditional enterprises has been deeply studied, although there are no articles to be treated within the university spin-off companies, which often operate in dynamic environments. In this paper ...
Muñoz Morgado, Luis Miguel (Date of defense: 2012-02-03)
Human-machine interaction in teleoperation, through the adequate user interface, allows achieving the level of intelligence necessary to execute complex tasks that cannot be executed by machines or robots alone neither ...
Pagès Zamora, Alba Maria (Date of defense: 1996-12-13)
La tesis presenta un modelo no recursivo de sistemas no lineales (SNLS) basado en las series de fourier, estableciendo una comparación con el modelo de volterra en términos de coste computacional y diseño. <br/><br/>Del ...
Keskes, Imen (Date of defense: 2014-10-01)
In the present thesis a theoretical and empirical study of the relationship between transformational leadership (TL) styles and organizational commitment (OC) is performed. These two concepts are examined as multidimensional ...
Rué Queralt, Pau (Date of defense: 2013-07-25)
This Thesis studies different cellular and cell population processes driven by non-linear and stochastic dynamics. The problems addressed here gravitate around the concepts of transient dynamics and relaxation from a ...
Blay Carreras, Estel (Date of defense: 2014-07-21)
The atmospheric boundary layer is the part of the troposphere influenced by the presence of the surface, and where most weather phenomena occur. During the day, with fair weather conditions, a convective boundary layer ...
Lindner, Claus (Date of defense: 2017-03-24)
Several clinical studies for non-invasive estimation of tissue hemodynamics by the combination of two diffuse optical techniques, time-resolved and diffuse correlation spectroscopy, were carried out in collaboration with ...
Tabares Giraldo, Jeison (Date of defense: 2021-09-08)
Worldwide, the coherent technologies have revolutionized the optical communication systems, significantly increasing the capacity of the fiber channel owing to transmission of advanced modulation formats and effective ...
Torrellas Socastro, Marc (Date of defense: 2016-02-10)
The emergence of very capable mobile terminals, e.g. smartphones or tablets, has dramatically increased the demand of wireless data traffic in recent years. Current growth forecasts elucidate that wireless communication ...
Gregori Casas, Maria (Date of defense: 2014-07-24)
Over the last few decades, transistor miniaturization has enabled a tremendous increase in the processing capability of commercial electronic devices, which, combined with the reduction of production costs, has tremendously ...
Martí Edo, Albert (Date of defense: 2017-07-18)
Current theories and mechanisms of nerve impulse propagation inside neurons do not give a satisfactory explanation to the nanoscale processes that occur inside the membrane. Propagation at the dendritic zones, and at the ...
Álvarez Martí, Lluc (Date of defense: 2015-12-16)
Cache-coherent shared memory has traditionally been the favorite memory organization for chip multiprocessors thanks to its high programmability. In this organization the cache hierarchy is in charge of moving the data and ...
Sebé Feixas, Francesc (Date of defense: 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 ...
Graham, Cristina (Date of defense: 2024-01-23)
(English) The properties of ultrathin materials present exciting opportunities to develop multifunctional surfaces. In addition, the use of plastic and thin glass as transparent substrates has the potential to extend the ...