Now showing items 7663-7682 of 41690

    Contributions to bluetooth low energy mesh networks 

    Darroudi, Seyed Mahdi (Date of defense: 2020-09-29)

    Bluetooth Low Energy (BLE) has become a popular Internet of Things (IoT) technology. However, it was originally designed to only support the star topology. This PhD thesis investigates and evaluates different Bluetooth Low ...

    Contributions to channel modelling and performance estimation of HAPS-based communication systems regarding IEEE Std 802.16TM 

    Palma Lázgare, Israel Romualdo (Date of defense: 2011-10-24)

    New and future telecommunication networks are and will be broadband type. The existing terrestrial and space radio communication infrastructures might be supplemented by new wireless networks that make and will make use ...

    Contributions to computed tomography image coding for JPEG2000 

    Muñoz Gómez, Juan (Date of defense: 2014-01-13)

    Avui dia, gràcies als avanços en la ciència mèdica, existeixen diverses tècniques d’imatges mèdiques destinades a tractar de revelar, diagnosticar o examinar una malaltia. Moltes d’aquestes tècniques produeixen grans ...

    Contributions to Context-Aware Smart Healthcare: A Security and Privacy Perspective 

    Batista de Frutos, Edgar (Date of defense: 2022-05-24)

    Les tecnologies de la informació i la comunicació han canviat les nostres vides de manera irreversible. La indústria sanitària, una de les indústries més grans i de major creixement, està dedicant molts esforços per adoptar ...

    Contributions to earth observation using gnss-r opportunity signals 

    Rodriguez Alvarez, Nereida (Date of defense: 2011-12-22)

    During years a number of satellites have been developed to remotely sense Earth geophysical parameters for weather forecasting and other climate studies. In recent years the use of reflected Global Navigation Satellite ...

    Contributions to efficient and secure exchange of networked clinical data : the MOSAIC system 

    Lluch-Ariet, Magí (Date of defense: 2016-07-22)

    The understanding of certain data often requires the collection of similar data from different places to be analysed and interpreted. Multi-agent systems (MAS), interoperability standards (DICOM, HL7 or EN13606) and ...

    Contributions to electromechanical systems diagnosis by means data fusion techniques 

    Delgado Prieto, Miguel (Date of defense: 2012-10-26)

    Electromechanical drives have traditionally found their field of application in the industrial sector. However, the use of such systems is spreading to other sectors within the field of transport, such as the automotive ...

    Contributions to energy-aware demand-response systems using SDN and NFV for fog computing 

    Tipantuña Tenelema, Christian José (Date of defense: 2022-03-29)

    Ever-increasing energy consumption, the depletion of non-renewable resources, the climate impact associated with energy generation, and finite energy-production capacity are important concerns worldwide that drive the ...

    Contributions to Explainability and Attack Detection in Deep Learning 

    Haffar, Rami (Date of defense: 2023-11-21)

    La intel·ligència artificial (IA) és essencial per a diversos propòsits crucials a la vida humana. Tot i això, molts algorismes d'IA, especialment els models d'aprenentatge profund (AP), són caixes negres, cosa que implica ...

    Contributions to Formal Communication Elimination for System Models with Explicit Parallelism 

    Babot Pagès, Francesc Xavier (Date of defense: 2009-10-09)

    Els mètodes de verificació formal s'estan usant cada vegada més en la indústria per establir la correctessa i trobar els errors en models de sistemes; per exemple la descripció de hardware, protocols, programes distribuïts, ...

    Contributions to GNSS-R earth remote sensing from nano-satellites 

    Carreno-Luengo, Hugo (Date of defense: 2016-01-21)

    Global Navigation Satellite Systems Reflectometry (GNSS-R) is a multi-static radar using navigation signals as signals of opportunity. It provides wide-swath and improved spatio-temporal sampling over current space-borne ...

    Contributions to hand kinematics characterisation during product manipulation in activities of daily living 

    Roda Sales, Alba (Date of defense: 2021-07-19)

    This thesis presents contributions to the characterisation of hand kinematics during product manipulation in activities of daily living (ADLs). The main contributions have been: (í) providing quantifiable data of several ...

    Contributions to heart rate variability and respiratory rate analysis through video imaging techniques 

    Melchor Rodríguez, Angel (Date of defense: 2019-02-21)

    The present doctoral thesis proposes a series of methods that have as a general objective the non-contact evaluation of heart rate variability (HRV) and respiratory rate (BR) through video imaging. The proposal of this ...

    Contributions to high accuracy snapshot GNSS positioning 

    Liu, Xiao (Date of defense: 2022-11-10)

    (English) Snapshot positioning is the technique to determine the position of a Global Navigation Satellite System (GNSS) receiver using only a very brief interval of the received satellite signal. In recent years, this ...

    Contributions to IEEE 802.11-based long range communications 

    Baños González, Víctor Hugo (Date of defense: 2020-10-18)

    The most essential part of the Internet of Things (IoT) infrastructure is the wireless communication system that acts as a bridge for the delivery of data and control messages between the connected things and the Internet. ...

    Contributions to industrial process condition forecasting applied to copper rod manufacturing process 

    Zurita Millán, Daniel (Date of defense: 2017-09-08)

    Ensuring reliability and robustness of operation is one of the main concerns in industrial anufacturing processes , dueto the ever-increasing demand for improvements over the cost and quality ofthe processes outcome. In ...

    Contributions to industrial statistics 

    Fontdecaba Rigat, Sara (Date of defense: 2015-12-23)

    This thesis is about statistics' contributions to industry. It is an article compendium comprising four articles divided in two blocks: (i) two contributions for a water supply company, and (ii) significance of the effects ...

    Contributions to Intelligent Transportation Systems. Big data analytics for reliable and valuable data 

    Boquet Pujadas, Guillem (Date of defense: 2021-07-15)

    La indústria del transport ha entrat en l’era del big data. Part de les dades difoses pels vehicles i la infraestructura connectats està sent explotada per Intelligent Transport Systems (ITS), aplicacions avançades en què ...

    Contributions to interoperability, scalability and formalization of personal health systems 

    Brugués de la Torre, Albert (Date of defense: 2016-05-13)

    The ageing of the world's population combined with unhealthy lifestyles are contributing to a major prevalence of chronic diseases. This scenario poses the challenge of providing good healthcare services to that people ...

    Contributions to ionospheric determination with global positioning system: solar flare detection and prediction of global maps of total electron content 

    García Rigo, Alberto (Date of defense: 2012-12-17)

    Two research studies have been addressed in this thesis. Both of them are of actual scientific interest and are based on processing GNSS data. The first part of this thesis is devoted to GNSS detection and monitoring of ...