WiFi signals can measure heart rate—no wearables needed
WiFi signals can measure heart rate—no wearables needed

WiFi signals can measure heart rate—no wearables needed

WiFi signals can measure heart rate—no wearables needed
WiFi signals can measure heart rate—no wearables needed
Direct link to the paper: Pulse-Fi: A Low-Cost System for Accurate Heart Rate Monitoring Using Wi-Fi Channel State Information
Neat!