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Monte Carlo Simulator for QEYSSat Quantum Link Digital Twin
US & West ·
A Monte Carlo based simulator is introduced for modeling photon emission, transmission, and detection in quantum key distribution, designed for the QEYSSat mission. It probabilistically accounts for major physical effects like afterpulsing, improving accuracy over analytical models.
Why it matters
This is important for high-fidelity assessment of quantum channel performance, essential for security and efficiency of quantum communications.
Investigates how many training pilots are needed when a digital twin of a wireless channel is used for channel estimation. The twin is treated as a complementary measurement fused with pilot observations. For the first time, this trade-off is formalized and quantified.
The article discusses an architecture of a digital twin for nuclear systems, integrating multiple models (physics-based and data-driven) to support decision making, state estimation, predictive control, and real-time data processing. The twin must synchronize with the physical facility faster than its operational cycle.
The company 'Aktiv' has finalized a document based on the foresight session held in Moscow in March 2025. The document includes strategic recommendations and forecasts for the industry development until 2040.
