6G • Services
Terminal Direct Emergency Mesh Relay
Peer-to-Peer Multi-Hop Sidelink Relay for Natural Disaster Scenarios
Ad-hoc multi-hop mesh protocol enabling smartphones to relay emergency voice and SOS packets through neighboring phones to reach distant base stations.
Technical Explanation
When major natural disasters (earthquakes, tsunamis, floods) destroy local cell towers, commercial communication collapses. The 6G Terminal Direct Emergency Mesh Relay protocol automatically activates an ad-hoc multi-hop mesh across all surviving smartphones within range. Packets hop securely across up to 10 peer devices until reaching an intact macro-tower, an airborne drone cell, or an emergency LEO satellite link, delivering geolocation and emergency rescue messages.
Key Functions
- Forms spontaneous multi-hop emergency mesh networks without tower assistance
- Relays life-saving SOS packets and vital coordinates across peer smartphones
- Optimizes battery usage by duty-cycling relay nodes in disaster zones
- Encrypts relayed messages end-to-end so intermediary nodes cannot read content
Specifications
3GPP TS 22.261 Rel-19 Disaster Resilient Networks, ITU-T E.108
Interfaces
PC5 Sidelink Mesh ProtocolEmergency Alert System (EAS)
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