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Cabrerizo Martinez De La Puente, Alejandro (author)In the modern age, the proliferation of electronic devices and their subsequent waste presents an increasing environmental challenge. With the continuing growth of technology and the urgency of sustainability becoming ever more important, there is an ever-increasing need to reimagine how we power and utilize our devices. This has been...master thesis 2023
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de Beer, Arne (author)This paper presents a study focused on developing an efficient signal processing pipeline and identifying suitable machine learning models for real-time gesture recognition using a testbed consisting of an Arduino Nano 33 BLE and three OPT101 photodiodes. Our research aims to address the challenges of limited computational power whilst...bachelor thesis 2023
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Jiang, Longxing (author)Convolutional Neural Networks (CNN) have become a popular solution for computer vision problems. However, due to the high data volumes and intensive computation involved in CNNs, deploying CNNs on low-power hardware systems is still challenging.<br/>The power consumption of CNNs can be prohibitive in the most common implementation platforms:...master thesis 2022
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Xu, Guo (author)Depth sensing technology has developed rapidly recently due to its broad applications. Time-of-Flight (ToF) is a popular technology in depth sensing because of its advantages in high measuring accuracy and low complexity in image processing. ToF technologies are divided into two kinds: indirect time-of-flight (iToF) and direct Time-of-Flight ...master thesis 2022
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Liu, Jiang (author)In recent years, short-range reliable wireless system with high data rate and low power consumption has drawn sufficient attention and is in great demand in various applications. For biomedical implantable applications such as neural sensing and Brain-computer Interfaces (BCIs), due to the increasing number of sensing channels and elements, not...master thesis 2022
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MOU, Jixuan (author)A photoplethysmogram (PPG) is an important optically-obtained bio-signal that enables convenient daily monitoring of heart rate and oxygen saturation (SpO2). Most state-of-the-art PPG sensing systems require an off-chip photodiode, and the photodiode's output parasitic capacitance limits the power-noise trade offs. The objective of this project...master thesis 2022
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Mohapatra, Sourav (author)In this thesis we propose a novel memory architecture design that is robust to frequent memory failures targeting next generation low power embedded system. We explore the how the architecture works and perform detailed evaluations to show that our system achieves better performance than the state-of-the-art.master thesis 2022
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- Demarets, Maël (author) master thesis 2022
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TANG, Philo (author)This thesis proposes an ultra-low-power architecture for wireless Internet of Things end devices. The architecture enabled a prototype that can run a mainstream wireless protocol with an extremely limited power budget.master thesis 2021
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Veselka, David (author)Implantable Medical Devices (IMDs) are deployed in patients to treat a range of medical conditions. Technological advancements have enabled manufacturers to fit IMDs with specialized hardware that accelerates compute-intensive medical therapies next to a software-run host processor. However, mostly hardware acceleration is found in the form of...master thesis 2021
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Prozée, Randy (author)The development of the Spiking Neural Network (SNN) offers great potential in combination with new types of event-based sensors, by exploiting the embedded temporal information. When combined with dedicated neuromorphic hardware it enables ultra-low power solutions and local on-chip learning. This work implements and presents a viable...master thesis 2021
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Blanco Abad, Teresa (author)Long Range Wide Area Networks (LoRaWAN) offer easy deployment, robustness against interference, and operational longevity to energy constrained IoTdevices which communicate in a best-e_ort fashion in extended ranges. However, the simple (ALOHA-like) design of the MAC layer leads to packet collisions in dense LoRaWAN deployments with high traffic...master thesis 2020
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Hokke, Niels (author)We present a new MAC protocol for networks of devices. We specifically target certain applications. To cater for this setting, we introduce a new concept. This concept is instrumental to improve performance in these network scenarios. We build a proof of concept implementation of the new mac protocol. We specifically present a protocol model and...master thesis 2020
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Zwart, Lotte (author), Donkers, Huub (author)The COVID-19 pandemic caused a shortage of Personal Protective Equipment for Healthcare personnel. This project aims to aid in this shortage by extending the lifetime of the filter material used in a mask. This is done in the form of an SPPE, a Smart Personal Protective Equipment. This face mask has two smart filter heads that are modular and...bachelor thesis 2020
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de Laat, Willem (author), Roeleveld, Rein (author)The objective of the bachelor graduation project detailed in this thesis is to develop a wireless sensor patch that monitors the health of newborns. The sensor patch replaces the monitoring tasks of nurses during maternity care. The patch measures temperature, heart rate, oxygen saturation and bilirubin. Many babies are born with high bilirubin,...bachelor thesis 2020
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Šabanović, Armin (author)This thesis introduces the concept of phase rotation cancellation (PRC) as a previously unknown error mechanism in narrow-band FSK systems, and proposes a new FSK demodulation algorithm to resolve PRC errors. Phase rotation cancellation is defined as an event where the signal phasor rotation in the IQ plane is temporarily cancelled by the...master thesis 2019
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Parag, Anirudh Kumar (author)This work focuses on addressing the fundamental limitation on the minimum cold start-up voltage that could be harvested from a thermoelectric element (TEG) for human-body wearable applications. For ultra-low DC voltages, the challenge translates to generating a timed-signal to amplify it up to a value that could be used to drive, say, a boost...master thesis 2019
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van Hoek, Vincent (author)This thesis describes the design of an ultra-low power temperature to digital converter. It is intended to monitor the excess heat produced during the wireless charging of implantable medical devices such as pacemakers. The TDC is designed to achieve an accuracy of ±0.1 °C (3 sigma) from 27 °C to 47 °C, and ±0.3 °C (3 sigma) from -40 °C to 85 °C...master thesis 2019
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van Wietmarschen, Luc (author)This work proposes a new charge pump design suitable for energy harvesting on small human wearable devices. By using only one system for both cold start and high efficiency harvesting, the required silicon area is heavily reduced. The most fitting energy transducer is determined to be a photovoltaic cell, based on aspects of voltage, power and...master thesis 2019
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Treffers, Charlotte (author)The communication standard IEEE802.11ah, also known as Wifi Halow, is developed especially for IoT applications. This standard works in the sub-GHz range and can, therefore, offer a longer transmission range and achieve low power consumption. This makes the standard suitable for IoT applications. In this thesis, a Low Noise Transconductance...master thesis 2019