Now showing items 4595-4614 of 5534

    Reputation systems and secure communication in vehicular networks 

    Antolino Rivas, David (Date of defense: 2013-05-03)

    A thorough review of the state of the art will reveal that most VANET applications rely on Public Key Infrastructure (PKI), which uses user certificates managed by a Certification Authority (CA) to handle security. By doing ...

    Requirement-driven design and optimization of data-intensive flows 

    Jovanovic, Petar (Date of defense: 2016-09-26)

    Data have become number one assets of today's business world. Thus, its exploitation and analysis attracted the attention of people from different fields and having different technical backgrounds. Data-intensive flows are ...

    Research on fluidic oscillators under incompressible and compressible flow conditions 

    Baghaei, Masoud (Date of defense: 2020-07-24)

    One of the main advantages of fluidic oscillators is that they do not have moving parts, which brings high reliability whenever being used in real applications. To use these devices in real applications, it is necessary ...

    Residential outdoor spaces and thermal stress : courtyard design approach to thermally enhance outdoor spaces in single-family houses in the desert climate of Riyadh 

    Alkhoudiri, Ahmed Salah M. (Date of defense: 2023-07-21)

    (English) The typological shift of single-family houses in Riyadh during the 20th century has negatively impacted the inhabitants. The shift from attached houses with courtyards to detached houses with setbacks created ...

    Resilience for large ensemble computations 

    Keller, Kai Rasmus (Date of defense: 2022-07-01)

    With the increasing power of supercomputers, ever more detailed models of physical systems can be simulated, and ever larger problem sizes can be considered for any kind of numerical system. During the last twenty years ...

    Resilience mechanisms for carrier-grade networks 

    Ramírez, Wilson (Date of defense: 2014-11-18)

    In recent years, the advent of new Future Internet (FI) applications is creating ever-demanding requirements. These requirements are pushing network carriers for high transport capacity, energy efficiency, as well as ...

    Resiliencia y panarquía en los procesos de regeneración de la ciudad postindustrial. Una aproximación a las dinámicas urbanas a través del caso de Mataró (Barcelona) 

    Saez Ujaque, Diego (Date of defense: 2023-03-17)

    (English) This research deepens in the knowledge of the processes and changing dynamics of cities from the perspective of their resilience. The thesis proposes as object the processes of regeneration and transformation of ...

    Resines acríliques modificades com a nous productes de readobament i/o adobament sense formol ni fenol 

    Canudas Ventura, Miquel (Date of defense: 2020-07-24)

    The leather manufacturing process consists of a sequence of complex chemical reactions and mechanical processes that allow turning skin, a putrefiable by-product of alimentary industry, into leather, a stable high-value-added ...

    Resistance of transversally stiffened hybrid steel plate girders to concentrated loads 

    Chacón Flores, Rolando (Date of defense: 2009-06-16)

    Una viga armada se considera híbrida cuando se utilizan diferentes límites elásticos de acero en las chapas de alas y alma que la conforman. Un diseño estructural de una viga armada híbrida puede resultar más eficiente que ...

    Resistencia a cortante de los forjados de vigueta pretensada y bovedilla 

    Ribas Gonzalez, Carlos R. (Date of defense: 2013-12-09)

    A pesar de que los forjados de vigueta pretensada y bovedilla se han utilizado desde los años 40 en prácticamente todo el mundo, los modelos que actualmente se utilizan para su cálculo frente al Estado Límite Último de ...

    Resolución del problema de flujo general flexible con fechas comprometidas y costes dependientes del intervalo de realización de las operaciones 

    González Vargas, Néstor Andrés (Date of defense: 2013-06-28)

    En el marco de la problemática de la programación de operaciones en taller, en esta tesis se introduce un nuevo problema, que se identifica como problema de flujo general flexible (fJSP) con fechas comprometidas y costes ...

    Resolución numérica de fenómenos convectivos con condiciones de contorno periódicas. Aplicación a aislamientos transparentes 

    Quispe Flores, Marcos Oswaldo (Date of defense: 2003-12-12)

    Se ha desarrollado una infraestructura numérica, que permite el estudio de problemas donde están presentes fenómenos periódicos espaciales, haciendo uso de dominios computacionales reducidos con condiciones de contorno ...

    Resource allocation and management techniques for network slicing in WiFi networks 

    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 ...

    Resource allocation and management under priorities based on the squatting-kicking model for multi-slice 5G networks 

    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 ...

    Resource and performance trade-offs in real-time embedded control systems 

    Lozoya Gámez, Rafael Camilo (Date of defense: 2011-07-19)

    The use of computer controlled systems has increased dramatically in our daily life. Microprocessors are embedded in most of the daily- used devices. Due to cost constraints, many of these devices that run control ...

    Resource Management in Multicarrier Based Cognitive Radio Systems 

    Shaat, Musbah M. R. (Date of defense: 2012-03-09)

    The ever-increasing growth of the wireless application and services affirms the importance of the effective usage of the limited radio spectrum. Existing spectrum management policies have led to significant spectrum ...

    Resource management research in ethernet passive optical networks 

    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 ...

    Resource management techniques aware of interference among high-performance computing applications 

    Jokanović, Ana (Date of defense: 2014-12-19)

    Network interference of nearby jobs has been recently identified as the dominant reason for the high performance variability of parallel applications running on High Performance Computing (HPC) systems. Typically, HPC ...

    Resource management techniques for sustainable networks with energy harvesting nodes 

    Rubio López, Javier (Date of defense: 2016-06-22)

    his dissertation proposes novel techniques for assigning resources of wireless networks by considering that the coverage radii are small, implying that some power consumption sinks not considered so far shouldnow be ...

    Resource optimization in passive optical networks: dynamic bandwidth Allocation, Evolution, and Cost-Effective Capacity Upgrades 

    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 ...