Wearable electronic sensors for vital sign monitoring

Authors: Besrour, Marouen
Advisor: Duguay, Michel A.Messaddeq, Younès
Abstract: We propose in this project a wearable electronic Patch Radar sensor that can monitor respiration rate and respiration depth continuously in real-time and transmit data to a base station for analysis. The device relies on a two-antenna configuration. Both antennas are bent to the patient chest, and when the patient breathes, the mechanical movement of the chest wall changes the distance between them. The system measures the relative distance between the antennas to extract the respiration pattern. The key feature of the sensor is that it transduces respiration movements to phase shifts in RF wave signals which make it very robust against external interferences. The design was implemented on a PCB (46mm x 46mm) to demonstrate a proof of concept for the proposed device. The system was able to acquire respiration signals and even cardiac frequency. Experimental results are presented for three different subjects, an adult male and female and a child. The data gathered gives enough sensitivity and accuracy to state that the device can work with different physical morphologies.
Document Type: Mémoire de maîtrise
Issue Date: 2018
Open Access Date: 1 May 2018
Permalink: http://hdl.handle.net/20.500.11794/29543
Grantor: Université Laval
Collection:Thèses et mémoires

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