Now showing items 5221-5240 of 5479

    Traffic control for energy harvesting virtual small cells via reinforcement learning 

    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 ...

    Traffic Management of the ABR. Service Category in ATM Networks 

    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) ...

    Traffic offloading in future, heterogeneous mobile networks 

    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 ...

    Traffic synchronization with controlled time of arrival for cost-efficient trajectories in high-density terminal airspace 

    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 ...

    Transdisciplinarity for sustainability in engineering education 

    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 ...

    Transferability assessment of railway infrastructure charges: contribution to a conceptual framework. 

    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 ...

    La transferencia del conocimiento dentro de las spin-offs universitarias 

    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 ...

    Transformación escalar de la interfaz de operador en teleoperación asistida 

    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 ...

    Transformada de fourier en processament no lineal del senyal 

    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 ...

    Transformational leadership and organizational commitment : mediating role of leader-member exchange 

    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 ...

    Transient and stochastic dynamics in cellular processes 

    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 ...

    Transitional periods of the atmospheric boundary layer 

    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 ...

    Translation of non-invasive optical measurements of hemodynamics and oxygen metabolism to the clinic 

    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 ...

    Transmission impairments mitigation in next generation coherent optical access networks 

    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 ...

    Transmission strategies for interfering networks with finite rate and outdated channel feedback 

    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 ...

    Transmission strategies for wireless energy harvesting nodes 

    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 ...

    Transmissió de potencials d'acció basada en la propagació de camps elèctrics intra-membrana 

    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 ...

    Transparent management of scratchpad memories in shared memory programming models 

    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 ...

    Transparent Protection of Data 

    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 ...

    Transparent surfaces based on ultrathin materials with tailored optical and biological functionalities 

    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 ...