Radar-based sensors seem to be having a moment at CES, especially in tech meant for people to keep tabs on their aging family ...

Abstract: This paper proposes a tracking system that integrates visible-light positioning and pedestrian dead reckoning using a smartphone’s built-in ambient light sensor and inertial sensors. By ...

Abstract: Pyroelectric infrared (PIR) sensors are much promising for device-free localization (DFL) due to their advantages of lower cost, low power consumption, and privacy protection. Most PIR-based ...