Seonglae ChoWifi is a Sensor
Pulse-Fi measures heartbeat using Wifi signal. It achieves an error of less than 1.5 bpm, matching the performance of conventional sensors.
Research is underway to reliably detect multiple users simultaneously at distances up to 3 meters in various postures with over 100 subjects
How Wi-Fi Signals Can Be Used to Detect Your Heartbeat
Can Wi-Fi signals really track your heartbeat? Dive into the world of Pulse-Fi and find out how it works without wearables.
https://spectrum.ieee.org/wi-fi-signal-heartbeat-detection
