This contribution extends the common documented approach of integrity through Protection Levels in Satellite-Based Augmentation System (SBAS) positioning for aeronautics, to reliability on the basis of statistical hypothesis testing, and as such provides a safeguard against model misspecifications as anomalies and outliers in the measurements. It is shown that when integrity is monitored through Protection Levels and reliability added through Reliability Levels, the availability of the SBAS position solution is more than 99 % for APV-I precision approach. The availability for CAT-I is currently just a few percent. When the Galileo constellation is added, and current performance is copied ahead, the percentage for CAT-I increases to beyond 95 %.
Quality control in SBAS: Protection levels and reliability levels
Qualitätskontrolle bei SBAS: Schutzebenen und Zuverlässigkeitsebenen
The Journal of Navigation ; 62 , 3 ; 509-522
2009
14 Seiten, 8 Bilder, 4 Tabellen, 5 Quellen
Article (Journal)
English
Zuverlässigkeitsvoraussage , Systemzuverlässigkeit , Aeronautik , Anflug , Integritätsprüfung , Satellitennavigation , GPS (Global Positioning System) , Galileo (Satellitennavigation) , Europäisches Förderprogramm , Forschungsprojekt , Geschäftsflugzeug , Qualitätsmanagement , Qualitätskontrolle , Qualitätssicherung , Instrumentenlandeverfahren
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