Key Reconciliation with RC-LDPC/Error Estimation for Satellite-based FSO/QKD Systems

arXiv:2609.25646 · cs.NI, cs.SY, eess.SY · Submitted 2026-09-22 · Read on arXiv

cs.NI, cs.SY, eess.SY

Submitted: 2026-09-22

Updated: 2026-09-22

Terminology

• Decode — 3× in this paper · explained in 2 episodes
• Aperture — 2× in this paper · explained in 1 episode
• Frame-error Rate — 2× in this paper
• Information Leakage — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Adaptation — 1× in this paper · explained in 1 episode
• Adaptivity — 1× in this paper · explained in 1 episode
• Entanglement — 1× in this paper · explained in 3 episodes
• Protograph-based Rate-compatible — 1× in this paper

Sources

• QEYSSat 2.0 -- White Paper on Satellite-based Quantum Communication Missions in Canada
• Key Reconciliation with Low-Density Parity-Check Codes for Long-Distance Quantum Cryptography

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