Off-line and in-operation optical core networks planning 

    Castro, Alberto (Fecha de defensa: 2014-10-10)

    The ever increasing IP traffic volume has finally brought to light the high inefficiency of current wavelength-routed over rigid-grid optical networks in matching the client layer requirements. Such an issue results in the ...

    Offset time-emulated architecture for optical burst switching-modelling and performance evaluation 

    Klinkowski, Miroslaw (Fecha de defensa: 2008-02-14)

    L'evolució de les xarxes publiques de transport de dades destaca per el continu augment de la demanda de tràfic a la que estan sotmeses. La causa és la imparable popularització d'Internet i del seu ús per a tot tipus ...

    On algorithmic reductions in task-parallel programming models 

    Ciesko, Jan (Fecha de defensa: 2017-07-24)

    Wide adoption of parallel processing hardware in mainstream computing as well as the interest for efficient parallel programming in developer communities increase the demand for programming models that offer support for ...

    On scalable, reconfigurable, and intelligent metasurfaces 

    Taghvaee, Hamidreza (Fecha de defensa: 2021-07-21)

    Sixth Generation (6G) of wireless networks will be even more heterogeneous and dense as compared to Fifth Generation (5G) and other legacy networks. Thus, the 6G architecture will need to be adapted to serve the ever-evolving ...

    On service optimization in community network micro-clouds 

    Apolonia, Nuno (Fecha de defensa: 2018-09-21)

    Internet coverage in the world is still weak and local communities are required to come together and build their own network infrastructures. People collaborate for the common goal of accessing the Internet and cloud ...

    On the co-design of scientific applications and long vector architectures 

    Gómez Crespo, Constantino (Fecha de defensa: 2022-05-23)

    The landscape of High Performance Computing (HPC) system architectures keeps expanding with new technologies and increased complexity. To improve the efficiency of next-generation compute devices, architects are looking ...

    On the data quality improvement of air pollution monitoring low-cost sensor networks using data-driven techniques 

    Ferrer Cid, Pau (Fecha de defensa: 2023-05-08)

    (English) Nowadays, authorities monitor the concentrations of regulated air pollutants in order to assist in decision-making processes, e.g., for the implementation of traffic restrictions, and mitigate the effects of air ...

    On the design and development of programming models for exascale systems 

    Maroñas, Marcos (Fecha de defensa: 2021-02-17)

    High Performance Computing (HPC) systems have been evolving over time to adapt to the scientific community requirements. We are currently approaching to the Exascale era. Exascale systems will incorporate a large number ...

    On the design of power- and energy-efficient functional units for vector processors 

    Ratković, Ivan (Fecha de defensa: 2016-12-14)

    Vector processors are a very promising solution for mobile devices and servers due to their inherently energy-efficient way of exploiting datalevel parallelism. While vector processors succeeded in the high performance ...

    On the limits of probabilistic timing analysis 

    Milutinovic, Suzana (Fecha de defensa: 2019-12-18)

    Over the last years, we are witnessing the steady and rapid growth of Critica! Real-Time Embedded Systems (CRTES) industries, such as automotive and aerospace. Many of the increasingly-complex CRTES' functionalities that ...

    On the programmability of heterogeneous massively-parallel computing systems 

    Gelado Fernández, Isaac (Fecha de defensa: 2010-07-02)

    Heterogeneous parallel computing combines general purpose processors with accelerators to efficiently execute both sequential control-intensive and data-parallel phases of applications. Existing programming models for ...

    On the programmability of multi-GPU computing systems 

    Cabezas Rodríguez, Javier (Fecha de defensa: 2015-06-29)

    Multi-GPU systems are widely used in High Performance Computing environments to accelerate scientific computations. This trend is expected to continue as integrated GPUs will be introduced to processors used in multi-socket ...

    On the role of performance interference in consolidated environments 

    Rameshan, Navaneeth (Fecha de defensa: 2016-10-24)

    With the advent of resource shared environments such as the Cloud, virtualization has become the de facto standard for server consolidation. While consolidation improves utilization, it causes performance-interference ...

    On the scalability limits of communication networks to the nanoscale 

    Llatser Martí, Ignacio (Fecha de defensa: 2014-01-17)

    Nanosystems, integrated systems with a total size of a few micrometers, are capable of interacting at the nanoscale, but their short operating range limits their usefulness in practical macro-scale scenarios. Nanonetworks, ...

    On the scalability of LISP and advanced overlaid services 

    Coras, Florin (Fecha de defensa: 2015-07-23)

    In just four decades the Internet has gone from a lab experiment to a worldwide, business critical infrastructure that caters to the communication needs of almost a half of the Earth's population. With these figures on its ...

    On the service placement in community network micro-clouds 

    Selimi, Mennan (Fecha de defensa: 2017-05-22)

    Community networks (CNs) have gained momentum in the last few years in response to the growing demand for network connectivity in rural and urban areas. These networks, owned and managed by volunteers, offer various services ...

    Opportunistic routing in wireless mesh networks 

    Darehshoorzadeh, Amir (Fecha de defensa: 2012-07-23)

    Advances in communication and networking technologies are rapidly making ubiquitous network connectivity a reality. In recent years, Wireless Mesh Networks (WMNs) have already become very popular and been receiving an ...

    Optimization techniques for fine-grained communication in PGAS environments 

    Alvanos, Michail (Fecha de defensa: 2013-12-10)

    Partitioned Global Address Space (PGAS) languages promise to deliver improved programmer productivity and good performance in large-scale parallel machines. However, adequate performance for applications that rely on ...

    Optimizing programming models for massively parallel computers 

    Farreras Esclusa, Montse (Fecha de defensa: 2008-12-12)

    Since the invention of the transistor, clock frequency increase was the primary method of improving computing performance. As the reach of Moore's law came to an end, however, technology driven performance gains became ...

    Optimizing SIMD execution in HW/SW co-designed processors 

    Kumar, Rakesh (Fecha de defensa: 2014-07-24)

    SIMD accelerators are ubiquitous in microprocessors from different computing domains. Their high compute power and hardware simplicity improve overall performance in an energy efficient manner. Moreover, their replicated ...