Sozu - Self-Powered Radio Tags for Building-Scale Activity Sensing

Explore a groundbreaking 20-minute conference talk on Sozu, an innovative low-cost sensing system for wide-area human environment detection. Discover how this battery-free technology uses self-powered radio tags to sense and broadcast a variety of events wirelessly through walls and without line of sight, achieving building-scale coverage. Learn about the system's impressive accuracy, with over 99% true positive event detection and minimal false positives. Delve into the potential applications and extended capabilities of Sozu, including its ability to detect richer signals such as event state, intensity, count, and rate. Gain insights from the iterative studies and deployment results presented by researchers from the ACM Symposium on User Interface Software and Technology.