On-the-Fly Interrogation of Mobile Passive Sensors from the Fusion of Optical and Radar Data
Ali Hadj Djilani (LAAS-MINC, Toulouse INP), Dominique Henry, (LAAS-MINC), Patrick Pons (LAAS-MINC), Herve Aubert (LAAS-MINC, Toulouse INP)

TL;DR
This paper introduces a real-time method for detecting and remotely interrogating mobile passive sensors by fusing optical and radar data, demonstrated with a microfluidic temperature sensor on a conveyor belt.
Contribution
It presents a novel fusion approach combining optical and radar data for real-time detection and interrogation of passive sensors.
Findings
Successful detection of sensors in real time
Effective remote interrogation using FMCW radar
Proof-of-concept with microfluidic temperature sensor
Abstract
In this paper a new method based on the fusion of optical and radar data is proposed to detect and remotely interrogate mobile and passive sensors. The sensors are detected in real time by using an optical camera, while their remote reading is carried out on the fly using a Frequency-Modulated Continuous-Wave radar. The proof-of-concept is established from the interrogation of a microfluidic temperature sensor placed on a conveyer belt.
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