Network-Based Ionospheric Gradient Monitoring to Support Ground Based Augmentation Systems (2022)
Abstract / truncated to 115 words
The Ground Based Augmentation System (GBAS) is a local-area, airport-based augmentation of Global Navigation Satellite Systems (GNSS) that provides precision approach guidance for aircraft. It enhances GNSS performance in terms of integrity, continuity, accuracy, and availability by providing differential corrections and integrity information to aircraft users. Differential corrections enable the aircraft to correct spatially correlated errors, improving its position estimation. Integrity parameters enable it to bound the residual position errors, ensuring safety of the operation. Additionally, a GBAS ground station continuously monitors and excludes the satellites affected by any system failure to guarantee system integrity and safety. Among the error sources of GNSS positioning, the ionosphere is the largest and most unpredictable. Under abnormal ionospheric ...
GBAS – ionosphere – ionospheric monitoring – network-based monitoring – integrity – availability – ionospheric threat model
Information
- Author
- Caamaño Albuerne, María
- Institution
- Universitat Politècnica de Catalunya
- Supervisors
- Publication Year
- 2022
- Upload Date
- Nov. 30, 2022
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