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Quantum NetworkingSAGINEntanglement Distribution
Quantum Networking for Space-Air-Ground Integrated Networks
A space-air-ground integrated network layers satellites, aerial platforms, and terrestrial infrastructure into a single system. Carrying quantum information across those layers is harder than carrying classical traffic. Entanglement is fragile, photons are lost to atmospheric turbulence and cloud cover, and the links themselves are moving. This project develops the protocols and the control plane a quantum-capable SAGIN would need, covering entanglement distribution over heterogeneous links, key management, and what becomes of a quantum session when a satellite passes out of view.
Research Objectives
- Design entanglement distribution protocols that span satellite, aerial, and ground segments
- Model atmospheric loss and turbulence to predict achievable key rates on free-space links
- Develop handover schemes that preserve quantum sessions as satellites and aerial relays move
- Study placement of quantum repeaters and trusted nodes under realistic coverage constraints
Methods & Techniques
- Free-space optical channel modeling for satellite-to-ground and air-to-ground links
- Discrete-event simulation of entanglement swapping and purification scheduling
- Decoy-state QKD analysis under finite-key and atmospheric-loss conditions
- Routing and resource allocation for a hybrid quantum-classical control plane
Interested in this research?
Get in touch to discuss collaboration or graduate opportunities.