Naked eye direction of arrival estimation with a Fresnel lens

Dmytro Vovchuk; Mykola Khobzei; Dmitry Filonov; Pavel Ginzburg

doi:10.1038/s41598-022-06480-5

Naked eye direction of arrival estimation with a Fresnel lens

Dmytro Vovchuk^*, Mykola Khobzei, Dmitry Filonov, Pavel Ginzburg

^*Corresponding author for this work

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Direction of arrival (DoA) estimation is of primary importance in a broad range of wireless applications, where electromagnetic waves play a role. While a vast majority of existing techniques is based on phase lag comparison in antenna arrays, intensity-based approaches are valuable in a range of low budget applications. Here we demonstrate a direct visible to a naked eye DoA device, based on a Fresnel zone plate lens, aperture, and a light-emitting diode indicator. Being a low budget device, it still allows achieving up to 90° angle of view, 19° of angular resolution, and 11° of angular accuracy at 10 GHz operational frequency. The demonstrated approach provides fast DoA visualization and can be used to adjust point-to-point communication links, identify radio wave pollution sources at home conditions and several others.

Original language	English
Article number	2479
Journal	Scientific Reports
Volume	12
Issue number	1
DOIs	https://doi.org/10.1038/s41598-022-06480-5
State	Published - Dec 2022

Funding

Funders	Funder number
Uliana Danyliuk
Ministry of Education and Science of the Russian Federation	FSMG-2021-0005
Russian Science Foundation	20-19-00491
PAZY Foundation

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10.1038/s41598-022-06480-5

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title = "Naked eye direction of arrival estimation with a Fresnel lens",

abstract = "Direction of arrival (DoA) estimation is of primary importance in a broad range of wireless applications, where electromagnetic waves play a role. While a vast majority of existing techniques is based on phase lag comparison in antenna arrays, intensity-based approaches are valuable in a range of low budget applications. Here we demonstrate a direct visible to a naked eye DoA device, based on a Fresnel zone plate lens, aperture, and a light-emitting diode indicator. Being a low budget device, it still allows achieving up to 90° angle of view, 19° of angular resolution, and 11° of angular accuracy at 10 GHz operational frequency. The demonstrated approach provides fast DoA visualization and can be used to adjust point-to-point communication links, identify radio wave pollution sources at home conditions and several others.",

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Naked eye direction of arrival estimation with a Fresnel lens

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