MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641073714 A) filed by Dr. S. Ganeshmoorthy; Karpagam College Of Engineering; Vijaya Sri S; Thanga Manikandan M; Vinothini M; Kaarthick K; Sanjay S; Arun R; and Prasanth R on June 13, 2026, for Evaluation Of 5g Relay-Empowered And Device-To-Device Communications For Rescue Mission.
Inventors include Dr. S. Ganeshmoorthy; Vijaya Sri S; Thanga Manikandan M; Vinothini M; Kaarthick K; Sanjay S; Arun R; and Prasanth R.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: EVALUATION OF 5G RELAY-EMPOWERED AND DEVICE-TO-DEVICE COMMUNICATIONS FOR RESCUE MISSION Abstract: The emergence of fifth- generation (5G) wireless communication has enabled reliable and low-latency communication services for mission-critical applications. Device-to-Device (D2D) communication allows direct communication between nearby devices without relying completely on cellular infrastructure. During rescue operations, communication infrastructure may become unavailable due to disasters or network congestion. Relay-assisted D2D communication improves connectivity and communication coverage by allowing intermediate devices to forward information between rescue teams and command centers. This project proposes an Energy-Aware Relay Selection mechanism for 5G D2D rescue communication networks. Unlike conventional relay selection approaches that depend only on Channel Quality Indicator (CQI), the proposed system considers both CQI and relay battery level during relay selection. A Python-based simulation was developed to model rescue communication scenarios. Performance metrics including relay score, hop count, communication delay, average CQI, and network reliability were evaluated. Experimental results demonstrate that the proposed method improves relay sustainability and communication reliability while maintaining acceptable communication performance Communication systems play an essential role in emergency response and rescue missions. During natural disasters, industrial accidents, earthquakes, floods, and other emergencies, traditional communication infrastructure may become damaged or overloaded. In such situations, rescue teams require reliable communication mechanisms that can operate even when network infrastructure is partially unavailable. Device-to-Device communication is one of the key technologies introduced in 5G networks. D2D communication enables nearby devices to communicate directly without routing all traffic through the base station. This approach reduces communication delay, improves spectrum utilization, and extends network coverage. Relay-assisted D2D communication further enhances connectivity by introducing relay nodes between source and destination devices. These relay nodes forward information when direct communication is not possible. Although relay-assisted communication improves coverage, relay selection remains a critical challenge. Most existing relay selection approaches rely mainly on Channel Quality Indicator (CQI). However, relay devices used in rescue operations are battery-powered and may become unavailable due to energy depletion. Therefore, relay selection should consider both communication quality and battery availability. This project introduces an Energy-Aware Relay Selection mechanism that combines CQI and battery level to improve communication sustainability during rescue operations.
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