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Article Dans Une Revue IEEE Sensors Journal Année : 2023

Orientation Sensing With a Loop Resonator Based on Its Re-Radiation Pattern

Résumé

This paper presents an analytical model of the radiation pattern of a loop resonator which is frequently used as chipless RFID tags. The radiation pattern of this resonator can be used in practice as a sensor to determine the orientation between the tag and the antenna. Contrary to already implemented chipless RFID angle sensors, the one introduced here allows to extract rotation of the tag or the antenna position in 3D using a novel approach based on the resonator radiation pattern. An analytical model is developed to measure the tag orientation determining both the inclination and azimuthal angle of the tag in spherical coordinates system for both mono-static and bi-static antenna configurations. Uncertainties are studied with Monte-Carlo simulations. Simulations and measurements are performed to validate the orientation extraction and evaluate the performance of the proposed solution. We show that the accuracy of this totally passive and wireless sensor is always below 5°in the measurable range with a maximum error lower than 3°for the mono-static case.
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Dates et versions

hal-04049527 , version 1 (28-03-2023)

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Florian Requena, Nicolas Barbot, Darine Kaddour, Etienne Perret. Orientation Sensing With a Loop Resonator Based on Its Re-Radiation Pattern. IEEE Sensors Journal, 2023, 23 (3), pp.3159-3172. ⟨10.1109/JSEN.2022.3231342⟩. ⟨hal-04049527⟩

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