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LIVE-RIS: Real-Time In-Flight Actuation of UAV-Mounted RIS

Making flying wireless mirrors work reliably despite real-world turbulence

Researchers built and tested the first working prototype of a reconfigurable intelligent surface—a device that bounces and shapes wireless signals—mounted on a flying drone. Using onboard sensors and prediction algorithms, they kept the system performing well even as the drone moved and vibrated, proving that the technology can work in real conditions rather than just in theory.

6G wireless networks could use flying intelligent surfaces to improve coverage in challenging terrain or during emergencies, but only if they stay stable and functional mid-flight. This prototype demonstrates they can be kept stable through motion prediction and real-time adjustment, clearing a major hurdle between theoretical promise and practical deployment.