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Ultra-wideband for internet of things

Laurent, Gwendal
(2023)

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Laurent_20931800_2023.pdf
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Details

Supervisors
Van Roy, Peter
Faculty
Ecole polytechnique de Louvain
Degree label
Master [120] en sciences informatiques, à finalité spécialisée
Abstract
Over the past couple of years, big names in the technology industry like Apple and Samsung started to release ultra-wideband-based products. This radio technology can perform high data rate transmission with very low power consumption and has great resistance to multipath fading. Additionally, ranging applications built on top of ultra-wideband can perform distance measurements with an accuracy of a few centimeters. In this study, a driver is implemented for the GRiSP 2 , a board for embedded systems and Internet of Things (IoT) running on the Erlang virtual machine out of the box. The driver is used to support a new sensor built by the company Peer Stritzinger GMbH based on the DWM1000 manufactured by the company Qorvo. This chip is IEEE 802.15.4-2011 compliant and uses ultra-wideband radio technology to send and receive data. On top of this driver, a simple medium access control (MAC) layer was built to send and receive MAC frames by following the IEEE 802.15.4-2011 standard. Finally, two-way ranging methods have been implemented to perform ranging operations between two GRiSP 2 cards. The results of this work show that the implementation is capable to send and receive MAC frames with a data rate of 31 kb/s and also perform accurate ranging operations.