1. FlexiTrygg - A Remote Health
Monitoring System
ESHI 2024
Pierangelo Dell’Acqua
ITN/LiU

2. System Development
•
•
•
•
Posture detection
Unstable behavior detection
Body movements calculation
Fall detection
•
Web-based application
FlexiTrygg

3. Behavior Extraction
• Behavior Learning
– Learning people daily activities
• Behavior Analysis
– To detect behavioral anomalies and changes in daily routines
Pierangelo Dell’Acqua
harem.itn.liu.se

4. Radar Sensor for Breath and Heartbeat Monitoring
The heartbeat and breath affect the phase of the reflected signal, which is
compared with the reference signal source in the radar device
Antenna
Tx
Leakage-cancelling
microstrip circulator
Coupler
Rx
LO
•
MW Multi-Port Correlator
and Power Detectors
Acquisition and
Digital Signal Processing
Expected Results
•
•
The radiated signal will mainly be reflected at the
patient’s upper skin layer
The patient's respiration will result in a periodic
movement of the target in the range of several
millimeters
The heartbeat will be superimposed to this
movement
Adriana Serban
Communication Electronics
www.comelec.itn.liu.se