ISL: Improving GNSS Navigation Message Performance
31 May 2024
InsideGNSS
AI Generated Summary
The Navigation Engine for Orbit Determination and Time Synchronization (NEODIS) developed by Thales Alenia Space has achieved high performance in precise orbit determination of satellite constellations.
The engine, which allows for data exchange and navigation measurements, targets accuracies of 10 cm at 95% on the Signal In Space Error (SISE).
Simulations show that ISL-based observables significantly impact orbit performance and satellite clock estimation, thereby enhancing user positioning performance via the navigation message.
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