Searched for: subject%3A%22Bluetooth%22
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Brederode, L.J.N. (author)
Strategic traffic assignment (TA) models assess long-term effects of policies on route choices of travelers. To meet stability requirements, current strategic TA models lack modelling of queues. This thesis develops two TA models that include queue modelling whilst satisfying stability requirements along with a method to fuse observed link flows...
doctoral thesis 2023
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ZHANG, XUCHANG (author)
The Constant Tone Extension (CTE) function introduced since Bluetooth Low Energy 5.1 greatly improves indoor Bluetooth Low Energy localization. These small, low-energy beacons transmit signals that Bluetooth-enabled devices can use to calculate proximity and positioning. This technology enables continuous navigation, location-based services,...
master thesis 2023
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Prins, Nathan (author)
The growing field of research into batteryless or intermittent systems has enabled Internet of Things applications that were previously impossible. For example, the FreeBie system recently introduced Bluetooth Low-Energy (BLE)<br/>to intermittent devices, making medium to long range bi-directional communication a reality for the first time....
master thesis 2022
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van Binnendijk, Mathijs (author), Lichtenberg, Ciarán (author)
Technology is playing an increasingly important role in education, partially thanks to emerging teaching methods such as hybrid education. Smart classrooms equipped with technology can make the lives of the educators and students easier, and aid in the switch to hybrid education. In this work we propose an IoT based smart classroom framework to...
bachelor thesis 2022
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Hendriks, John (author)
This work presents the first robust connection mode for Bluetooth Low Energy on an energy harvesting sensor.
master thesis 2022
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Barzgari, Mohammad (author), Ghafari, A. (author), Meghdadi, Masoud (author), Medi, Ali (author)
This article presents the theory and implementation of a quadrature and differential RF front-end receiver. Combining balun, low-noise amplifier (LNA), mixer, and oscillator in a single stage, the proposed circuit, named the Blixator, is well suited for low-power applications. The baseband's transimpedance amplifier (TIA) also shares part of...
journal article 2022
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Tonetto, Leonardo (author), Adikari, Malintha (author), Mohan, Nitinder (author), Ding, Aaron Yi (author), Ott, Jörg (author)
Human mobility shapes our daily lives, our urban environment and even the trajectory of a global pandemic. While various aspects of human mobility and inter-personal contact duration have already been studied separately, little is known about how these two key aspects of our daily lives are fundamentally connected. Better understanding of such...
journal article 2022
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de Winkel, J. (author), Tang, Haozhe (author), Pawełczak, Przemysław (author)
We present an architecture for intermittently-powered wireless communication systems that does not require any changes to the official protocol specification. Our core idea is to save the intermediate state of the wireless protocol to non-volatile memory within each connection interval. The protocol state is then deterministically restored at...
conference paper 2022
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van der Linden, Jorn (author), van der Heijde, Floris (author), van Remundt, Koen (author)
The design, production and testing of the Bluetooth Ultrasimple Gamepad, or BUG for short, is laid out in this report. In the current market, most of the controllers available are multi-button controllers with analogue sticks. These controllers are expensive and can not be used for many web browser games which rely on a keyboard input to work....
bachelor thesis 2021
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Bosma, Hendrik (author), Tansuğ, Ege (author), Breedveld, Patrick (author)
This thesis describes the design and implementation of a subsystem within a larger medical monitoring system. This subsystem will make bidirectional audio communication possible between a patient and their caregivers or family members. The patient in question can be premature babies that have to stay inside of incubators and elderly people that...
bachelor thesis 2021
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Gianfranceschi, Giuseppe (author), van Dijk, Robbin (author)
This research investigates the feasibility of a sensor patch for newborns. A sensor patch would be a device that is applied to the skin of the newborn. It can monitor the patient's temperature, heart rate, respiration rate, oxygen saturation and asses its general appearance of the skin so that it can check the newborn for jaundice. It should...
bachelor thesis 2020
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James, Javier (author)
The company Kien 1 is developing Bluetooth Low Energy (BLE) speakers, consisting of a subwoofer and several satellite speakers. These subwoofer and satellite speakers will have a feature named Follow Me, which when enabled from a smartphone application, will play music only in the room where the user currently is. The BLE’s signals will...
master thesis 2020
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Henstra, Joris (author), Jansen, Pim (author)
Many people worldwide suffer from epileptic seizures and not all of them can be prevented using medicines, this thesis is being done for seizure prevention. This is based on implementing a medical body area network (MBAN) that takes sensory recordings across the whole body. This is needed as the research group that proposes this project found...
bachelor thesis 2020
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CUI, Ye (author)
Indoor positioning using Bluetooth addressed a great concern. The properties of narrowband usage, low energy consumption and universality on devices attract numerous customers and promote researchers to investigate potential of Bluetooth in indoor positioning field. It has already supported Angle-of-Arrival (AoA) and Angle-of-Departure (AoD) in...
master thesis 2019
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Sharma, Salil (author), Snelder, M. (author), van Lint, J.W.C. (author)
On important truck-dominated motorways, a large share of traffic consists of trucks. Our hypothesis is that these trucks do not always make optimal routing decisions which cause inefficiencies in the traffic system. Therefore, route choice of truck drivers is of interest to both transport planners and traffic management authorities. The...
conference paper 2019
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Xenakis, Dimitris (author)
This report constitutes the final product of my internship, where research was conducted on the differences of the Bluetooth Low Energy signal reception between 2 different phones (p1, p2) and eventually, the possibility of developing a translation function that could be used to predict the signal strength reception of p1, by considering the...
student report 2018
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Yao, Lichen (author)
In the next generation of Bluetooth standard, the Bluetooth SIG wants to incorporate multiple antenna systems into the Bluetooth Low Energy specification to enable direction-finding features. The features are aimed to improve the accuracy of off-the-shelf Asset Tracking Profile (ATP) and Indoor Positioning Service (IPS) including two modes –...
master thesis 2018
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Pourmousavian, Naser (author), Kuo, Feng Wei (author), Siriburanon, Teerachot (author), Babaie, M. (author), Staszewski, R.B. (author)
This paper proposes an ultra-low-voltage (ULV) fractional-N all-digital PLL (ADPLL) powered from a single 0.5-V supply. While its digitally controlled oscillator (DCO) runs directly at 0.5 V, an internal switched-capacitor dc-dc converter ``doubles'' the supply voltage to all the digital circuitry and particularly regulates the time-to...
journal article 2018
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Gong, Jiang (author)
Frequency translation is required in any modern wireless communication systems.<br/>This is in large part due to the fact that the modulated signal is easy to<br/>transmit in radio frequency in the form of an electromagnetic wave, and the demodulated signal is easy to process in the baseband frequency by a powerful digital processor. Frequency...
master thesis 2017
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van Driel, Ronald (author), van der Hout, Justin (author), van der Wel, Marissa (author), Houtman, Marco (author)
As of this moment there is a lack of data about rainfall in cities. To collect such data, IBM has started the Sense Umbrella Connection and Desensitisation project. For this project an umbrella was equipped with a piezoelectric sensor and a Bluetooth device to record the rain that falls on the surface of this umbrella. One downside of this...
bachelor thesis 2017
Searched for: subject%3A%22Bluetooth%22
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