Multi-Person Localization via RF Body Reflections
Explore a groundbreaking RF-based indoor localization system capable of tracking multiple users without wearable devices in this 26-minute USENIX conference talk. Discover how WiTrack2.0 leverages wireless signal reflections off human bodies to pinpoint locations, even for static users, by detecting subtle breathing movements. Learn about the system's ability to operate in multipath-rich environments, localize up to five people simultaneously with high accuracy, and provide coarse tracking of body parts. Delve into the technical aspects of FMCW, multi-shift FMCW, and methods for combining multiple vantage points to achieve precise localization. Gain insights into the implementation, experimental results, and potential applications of this innovative technology in various fields.