Millisign Tech Guides Drones with Battery-Less Ground Tags
A millimeter-wave-radar-equipped drone takes off for a test of the Millisign systemNTTAutonomous drones often depend on visual cues for precise location, but they face challenges in dark, rainy, or foggy conditions when ground-based lights are unavailable.This is where the Millisign system, created by researchers from Japan's NTT Corporation and The University of Tokyo, comes...