MUMBAI, India, Feb. 13 -- Intellectual Property India has published a patent application (202541123310 A) filed by Harini R, Chennai, Tamil Nadu, on Dec. 7, 2025, for 'reinforcement-learned bio-inspired acoustic swarm navigation for uavs in gps-denied environments.'

Inventor(s) include Harini R.

The application for the patent was published on Feb. 13, under issue no. 07/2026.

According to the abstract released by the Intellectual Property India: "This project presents an innovative approach to autonomous navigation of UAV swarms specifically designed for GPS-denied environments by integrating bio-inspired acoustic sensing with reinforcement learning. UAV machines employ acoustic signals to understand the relative positions of their neighbors, inspired by natural echolocation mechanisms observed in wildlife. This acoustic-based local sensing enables reliable navigation, obstacle avoidance, and inter-agent spacing without relying on external GPS signals or centralized communication systems. The reinforcement learning framework allows each UAV to learn and adapt its navigation policies dynamically, optimizing for swarm cohesion, energy efficiency, and maneuverability in complex, unstructured, and signal-deprived environments. By utilizing decentralized control, the system ensures scalability and robustness to environmental uncertainties like signal jamming, occlusion, and varying terrain. Extensive simulations and controlled experimental tests demonstrate the capability of the swarm to maintain formation integrity, avoid collisions, and complete mission objectives even in challenging GPS-denied settings."

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