Performance modeling of BB84, B92, BBM92, and E91 protocols over LEO satellite QKD links finds downlink configurations yield lower QBER and higher secure key rates than uplinks under day and night conditions.
Distributing entanglement and single photons through an intra-city, free-space quantum channel.Optics Express, 13(1):202–209, 2005
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Performance Analysis of Satellite-Based QKD Protocols
Performance modeling of BB84, B92, BBM92, and E91 protocols over LEO satellite QKD links finds downlink configurations yield lower QBER and higher secure key rates than uplinks under day and night conditions.