6G • Core Network
SAGIN Core Gateway
Unified 3D Multi-Domain Session and Mobility Gateway for SAGIN
Core network anchor maintaining seamless user data sessions across subterranean tunnels, ground towers, airborne balloons, and orbital satellites.
Technical Explanation
When an autonomous ship, passenger aircraft, or mobile user transitions from terrestrial ground cellular to airborne stratospheric balloons and onward to LEO satellite constellations, IP addresses and encryption sessions traditionally break. The SAGIN Core Gateway acts as an omnipresent multi-domain session anchor. Utilizing locator/identifier separation protocols (LISP) and unified 6G core mobility management, user sessions continue without a single lost packet across earth and orbit.
Key Functions
- Maintains session persistence across terrestrial towers, aircraft, and satellites
- Eliminates IP address renegotiation during cross-domain handover transitions
- Buffers and resynchronizes packets across disparate orbital and terrestrial latencies
- Enables global maritime, aerospace, and remote wilderness transport continuity
Specifications
3GPP Rel-20 SAGIN Core Interworking, ITU-R M.2160 Ubiquitous Coverage
Interfaces
SAGIN N2/N3 EvolutionInter-Domain Mobility Anchor
Related 6G Concepts
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