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Recently advanced low-Earth-orbit (LEO) satellite networks represented bylarge constellations and advanced payloads provide great promises for enablinghigh-quality Internet connectivity to any place on Earth. However, thetraditional access-based approach to satellite operations cannot meet thepressing requirements of real-time, reliable, and resilient operations for LEOsatellites. A new scheme is proposed based on multi-layer satellite networkingconsidering the advanced Ka-band and optical communications payloads on asatellite platform. The proposed scheme can enable efficient and resilientmessage transmissions for critical telecommand and telemetry missions throughdifferent layers of satellite networks, which consist of LEO,medium-Earth-orbit (MEO), and geostationary (GEO) satellites. The proposedscheme is evaluated in a 24-hr satellite mission and shows superior performanceimprovements compared to the traditional operations approach.

Enabling Resilient and Real-Time Network Operations in Space: A Novel Multi-Layer Satellite Networking Scheme