Wireless Reading and Localization of Additively Manufactured Galinstan-Based Sensor Using a Polarimetric Millimeter-Wave Radar Imaging Technique - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue IEEE Transactions on Microwave Theory and Techniques Année : 2024

Wireless Reading and Localization of Additively Manufactured Galinstan-Based Sensor Using a Polarimetric Millimeter-Wave Radar Imaging Technique

Résumé

A polarimetric millimeter-wave radar imaging technique is proposed to remotely detect, localize, and wirelessly read a novel additively manufactured passive sensor composed of a microfluidic channel filled with liquid metal Galinstan. Very high variation of the radar-cross section of the sensor to small variations of the level of Galinstan in the channel is obtained. Indeed, at the radar-to-sensor distance of 2.4 m, the measured radar echo level of the sensor varies by 4.5 dB when the level of Galinstan changes by 1 mm. This sensitivity is higher than those previously reported in the literature for wireless and passive sensors of the same class. Moreover, the localization technique of the sensor is successfully achieved for only three false detections on 75 measurements in cluttered environments from radar-tosensor distances up to 15 m.
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Dates et versions

hal-04168149 , version 1 (21-07-2023)

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Citer

Dominique Henry, Ahmad El Sayed Ahmad, Ali Hadj Djilani, Patrick Pons, Hervé Aubert. Wireless Reading and Localization of Additively Manufactured Galinstan-Based Sensor Using a Polarimetric Millimeter-Wave Radar Imaging Technique. IEEE Transactions on Microwave Theory and Techniques, 2024, 72 (1), pp.3 - 16. ⟨10.1109/TMTT.2023.3294549⟩. ⟨hal-04168149⟩
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