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Detterer, P. (author), Nabi, M. (author), Jiao, H. (author), Basten, T. (author)The energy efficiency of an Internet of Things (IoT) receiver can be improved by introducing an adjustable tradeoff between signal quality and energy consumption. In good channel conditions, the receiver can be set to consume less energy per bit, without compromising signal quality in bad channel conditions. We propose a system-level receiver...article 2022
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Detterer, P. (author), Nabi, M. (author), Jiao, H. (author), Basten, A.A. (author)To increase energy efficiency of receiver-dominated nodes in IoT networks, we introduce Receiver-Sensitivity Control (RSC). RSC enables a trade-off between communication range and reception efforts. This trade-off is achieved through multiple receiver-sensitivity levels that can be adjusted at run time. The receiver can operate on lower...article 2021
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de Roose, F. (author), Genoe, J. (author), Kronemeijer, A.J. (author), Myny, K. (author), Dehaene, W. (author)Thin-film transistor (TFT) technologies have long been used predominantly for display fabrication and are attractive for large area, low cost and flexible circuit applications. Thanks to the improving performance of thin-film metal-oxide NFC tags and data processing chips on foil [1], [2], fabs are considering the large-scale production of...conference paper 2019
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Detterer, P. (author), Erdin, C. (author), Nabi, M. (author), Basten, A.A. (author), Jiao, H. (author)Energy efficiency is of paramount importance in designing low-power wireless sensor nodes. Approximate computing is a new circuit-level technique for reducing power consumption. However, the gain in power by applying this technique is achieved at the cost of computational errors. The impact of such inaccuracies in the circuit level of a radio...conference paper 2018
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Leijtens, J. (author), de Boom, K. (author), Durkut, M. (author), Hakkesteegt, H. (author), Theuwissen, A. (author), Xie, N. (author)What started as an academic development in frame of the Dutch MicroNed program five years ago should culminate in the introduction of the smallest digital sunsensor available in (and probably outside) of Europe at the ICSO. At the ICSO, TNO plans to show for the first time a working mini-DSS, based on the APS+ chip. The sunsensor has been...conference paper 2017
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Dekker, B. (author), Jacobs, S. (author), Kossen, A.S. (author), Kruithof, M.C. (author), Huizing, A.G. (author), Geurts, M. (author)Gesture recognition with radar enables remote control of consumer devices such as audio equipment, television sets and gaming consoles. In this paper, experimental results of hand gesture recognition with a low power FMCW radar and a deep convolutional neural network (CNN) are presented. The FMCW radar operates in the 24 GHz ISM frequency band...conference paper 2017
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Soer, M.C.M. (author), Klumperink, E.A.M. (author), van den Broek, D.J. (author), Nauta, B. (author), van Vliet, F.E. (author)Spatial interference rejection in analog adaptive beamforming receivers can improve the distortion performance of the circuits following the beamforming network, but is susceptible to the nonlinearity of the beamforming network itself. This paper presents an analysis of intermodulation product cancellation in analog active phased array receivers...article 2017
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Gielen, A.W.J. (author), McKenzie, F.V. (author)In the last few years Technical University of Delft, under leadership of Prof.dr.ir. Leo Kouwenhoven, has developed several successful concepts for quantum devices that are suitable for quantum computing and quantum communication. From a quantum research point of view we are still in a very fundamental state, several practical issues already...conference paper 2014
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Buis, E.J. (author), Doppenberg, E.J.J. (author), van Eijk, D. (author), Lahmann, R. (author), Nieuwland, R.A. (author), Toet, P.M. (author)It is a well studied process [1, 2] that energy deposition of cosmic ray particles in water that generate thermo-acoustic signals. Hydrophones of sufficient sensitivity could measure this signal and provide a means of detecting ultra-high energetic cosmic neutrinos. We investigate optical fiber-based hydrophone technology that could potentially...conference paper 2014
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Lee, S. (author), Yoo, H.J. (author), Body Area Network (BAN) Program, Holst Centre/imec, 5656AE Eindhoven, Netherlands Department of Electrical Engineering, Korea Advanced Institute of Science and Technology(KAIST), 305-701 Daejeon, South Korea (author)The WBAN controller with Branched Bus (BB) topology and Continuous Data Transmission (CDT) protocol with low power consumption and self- reconfigurability is proposed for wearable healthcare applications. The BB topology and CDT protocol is a combination of conventional Bus and Star topology and a variation from TDMA protocol, respectively,...article 2013
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Brondijk, J.J. (author), Asadi, K. (author), Blom, P.W.M. (author), de Leeuw, D.M. (author)Most of the envisaged applications of organic electronics require a nonvolatile memory that can be programmed, erased, and read electrically. Ferroelectric field-effect transistors (FeFET) are especially suitable due to the nondestructive read-out and low power consumption. Here, an analytical model is presented that describes the charge...article 2012
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Patki, S. (author), Grundlehner, B. (author), Nakada, T. (author), Penders, J. (author)Miniaturized, low power and low noise circuits and systems are instrumental in bringing EEG monitoring to the home environment. In this paper, we present a miniaturized, low noise and low-power EEG wireless platform integrated into a wearable headset. The wireless EEG headset achieves remote and wearable monitoring of up to 8 EEG channels. The...conference paper 2011
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Zhao, D. (author), Serdijn, W.A. (author), Huang, L. (author), Dolmans, G. (author)The wide range of wireless body area network (WBAN) applications gives rise to different system requirements for the carrier frequencies and data rates. In order to accommodate various standards in WBAN applications, a universal receiver system with good performance and low power is highly desirable. The subsampling receiver architecture is one...conference paper 2011
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Hulzink, J. (author), Konijnenburg, M. (author), Ashouei, M. (author), Breeschoten, A. (author), Berset, T. (author), Huisken, J. (author), Stuyt, J. (author), de Groot, H. (author), Barat, F. (author), David, J. (author), van Ginderdeuren, J. (author)This paper presents a voltage-scalable digital signal processing system designed for the use in a wireless sensor node (WSN) for ambulatory monitoring of biomedical signals. To fulfill the requirements of ambulatory monitoring, power consumption, which directly translates to the WSN battery lifetime and size, must be kept as low as possible. The...article 2011
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Selimis, G. (author), Huang, L. (author), Massé, F. (author), Tsekoura, I. (author), Ashouei, M. (author), Catthoor, F. (author), Huisken, J. (author), Stuyt, J. (author), Dolmans, G. (author), Penders, J. (author), de Groot, H. (author)In order for wireless body area networks to meet widespread adoption, a number of security implications must be explored to promote and maintain fundamental medical ethical principles and social expectations. As a result, integration of security functionality to sensor nodes is required. Integrating security functionality to a wireless sensor...article 2011
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Offermans, P. (author), Vitushinsky, R. (author), Crego-Calama, M. (author), Brongersma, S.H. (author)AlGaN/GaN shows great promise as a generic platform for (bio-)chemical sensing because of its robustness and intrinsic sensitivity to surface charge or dipoles. Here, we employ the two-dimensional electron gas (2DEG) formed at the interface of AlGaN/GaN layers grown on Si substrates for the ultra-sensitive detection of NOx. In the presence of...conference paper 2011
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Zhou, J. (author), Ashouei, M. (author), Kinniment, D. (author), Huisken, J. (author), Russell, G. (author), Yakovlev, A. (author)Sub-threshold operation has been proven to be very effective to reduce the power consumption of circuits when high performance is not required. Future low power systems on chip are likely to consist of many sub-systems operating at different frequencies and VDDs from super-threshold to sub-threshold region. Synchronizers are therefore needed to...article 2011
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Pop, V. (author), de Francisco, R. (author), Pflug, H. (author), Santana, J. (author), Visser, H. (author), Vullers, R. (author), de Groot, H. (author), Gyselinckx, B. (author)Recent advances in ultra-low-power circuits and energy harvesters are making self-powered body wireless autonomous transducer solutions (WATS) a reality. Power optimization at the system and application level is crucial in achieving ultra-low-power consumption for the entire system. This paper deals with innovative WATS modeling techniques, and...conference paper 2011
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Pozzi, M. (author), Zonta, D. (author), Santana, J. (author), Colin, M. (author), Saillen, N. (author), Torfs, T. (author), Amditis, A. (author), Bimpas, M. (author), Stratakos, Y. (author), Ulieru, D. (author), Bairaktaris, D. (author), Frondistou-Yannas, S. (author), Kalidromitis, V. (author)The evaluation of seismic damage is today almost exclusively based on visual inspection, as building owners are generally reluctant to install permanent sensing systems, due to their high installation, management and maintenance costs. To overcome this limitation, the EU-funded MEMSCON project aims to produce small size sensing nodes for...conference paper 2011
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Belleville, M. (author), Fanet, H. (author), Fiorini, P. (author), Nicole, P. (author), Pelgrom, M.J.M. (author), Piguet, C. (author), Hahn, R. (author), van Hoof, C. (author), Vullers, R. (author), Tartagni, M. (author), Cantatore, E. (author)Energy efficiency of electronic systems has emerged as one of the most important trends in integrated circuits research in recent years. The results of this continued effort are visible in all kinds of electronic functions: DSPs (reaching the 10 μW/MMAC according Gene's law), data converters (the FOM of recent ADCs is approaching 15 fJ...article 2010
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