Searched for: contributor%3A%22Langendoen%2C+K.G.+%28promotor%29%22
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de Winkel, J. (author)
The ecological impact of today’s battery-powered Internet of Things (IoT) is troubling. Technology advancements that reduce the reliance on batteries could blunt the environmental impact of the projected billions of IoT devices. With the emergence of low-cost, small, and high-performance microcontrollers, along with more efficient micro-energy...
doctoral thesis 2023
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Kortbeek, V. (author)
The Internet of Things (IoT) is taking the world by storm, from smart lights to smart plant monitoring. This revolution is not only present in consumers’ homes, but companies are also looking for more and more ways to monitor every aspect of their production process. This transition to ubiquitous monitoring is made possible by extremely low...
doctoral thesis 2023
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Narayana, S. (author)
The Internet of Things (IoT), a recent technology that has enabled many innovative applications, has dominated the world by creating smart systems and applications. It is predicted that the number of connected gadgets in IoT will double by 2030 compared to 2020. Thus, it is essential to address the key challenges, such as scalability, ubiquitous...
doctoral thesis 2023
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Oostenbrink, J. (author)
Communication networks are critical in business, government, and even our day-to-day life. A prolonged communication outage can have devastating effects, particularly during and after a disaster. Unfortunately, our communication infrastructure is still vulnerable to natural disasters and other events that damage multiple network components...
doctoral thesis 2023
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Turkovic, B. (author)
Throughout the last decades, communication networks have become embedded into almost every aspect of our day-to-day lives (e.g., watching movies, online shopping, sharing moments with friends and family). Moreover, as the support for the transport of audio and video became the norm, new application domains have kept emerging every day. One of...
doctoral thesis 2022
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Kouvelas, N. (author)
doctoral thesis 2022
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van Leeuwen, C.J. (author)
In this thesis I research the ability of groups of agents to organize their collective behavior, without any human intervention. Using a framework for gathering information of the behavior, analyzing the performance, and updating the behavior, the agents can adapt to changing environments or user requirements. In my thesis I use different...
doctoral thesis 2021
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Janssen, S.A.M. (author)
Airports are important transportation hubs that reside in the heart of modern civilizations.They are of major economic and symbolic value for countries but are thereforealso attractive targets for adversaries. Over the years we have observed successful andunsuccessful terrorist attacks at airports, of which the recent Brussels Airport attack...
doctoral thesis 2020
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Majid, A.Y. (author)
Battery-free energy-harvesting devices have the potential to operate for decades, since they draw power fromvirtually unlimited energy sources, such as sunlight. However, ambient energy sources are volatile, and tiny harvesters can extract only weak power from them. Thus, small energy-harvesting devices operate intermittently: first, they charge...
doctoral thesis 2020
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Uttama Nambi, Akshay (author)
The rapid pace of urbanization has an impact on climate change and other environmental issues. Currently, 54% of the global population lives in cities accounting for two-thirds of global energy demand. Sustainable energy generation and consumption is the top humanity’s problem for the next 50 years. Faced with rising urban population and the...
doctoral thesis 2017
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Liu, Q. (author)
With the rapid development of mobile technology, more and more devices connect to the Internet of Things (IoT). The management of such large-scale networks becomes a challenge. Firstly, a large number of heterogeneous devices are distributed over a wide area, leading to a variation of the requirements of users, the performance of mobile devices,...
doctoral thesis 2016
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Sarkar, C. (author)
Computers were invented to automate the labour-intensive computing process. The advancement of semiconductor technology has reduced the form-factor and cost of computers, and increased their usability. This has gradually introduced computers in various control and automation systems. The further rise of miniatuarized computing devices paves the...
doctoral thesis 2016
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Cattani, M. (author)
Sensor networks can nowadays deliver 99.9% of their data with duty cycles below 1%. This remarkable performance is, however, dependent on some important underlying assumptions: low traffic rates, medium size densities and static nodes. In this thesis, we investigate the performance of these same resource-constrained devices, but under scenarios...
doctoral thesis 2016
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Loukas, A. (author)
We have recently seen a surge of research focusing on the processing of graph data. The emerging field of signal processing on graphs focuses on the extension of classical discrete signal processing techniques to the graph setting. Arguably, the greatest breakthrough of the field has been the extension of the Fourier transform from time signals...
doctoral thesis 2015
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Brouwers, N. (author)
The increasing ubiquity of the modern smartphone, coupled with its technical capabilities in terms of processing power, internet connectivity, and sensor richness, make it an ideal platformfor sensing all kinds of information about ourselves and the world around us. The emerging field of Mobile Phone Sensing (MPS) is taking advantage of this new...
doctoral thesis 2014
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Pruteanu, A.S. (author)
Software applications developed for large-scale systems have always been difficult to de- velop due to problems caused by the large number of computing devices involved. Above a certain network size (roughly one hundred), necessary services such as code updating, topol- ogy discovery and data dissemination are challenging to operate and thus...
doctoral thesis 2013
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Iyer, V.G. (author)
Software for networked embedded systems faces several challenges when the deployed network is subject to changing circumstances during operation. Typically, inter-node communication and network connectivity are two crucial aspects that are directly affected by dynamics such as failing wireless links and node mobility. Therefore, the embedded...
doctoral thesis 2012
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Halkes, G.P. (author)
The advent of small, and cheap sensors provides a wide range of measuring options. By making these sensors operate wirelessly we can now measure more than ever. However, wireless operation also provides new challenges. For example, how can we make these wireless sensors communicate effectively, i.e. without all the sensors trying to talk at the...
doctoral thesis 2009
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Parker, T.E.V. (author)
doctoral thesis 2008
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