Table of Contents
Aviation Utilization of Geostationary Satellites for the Augmentation to GPS: Ranging and Data Link
Presentation Overview
Aircraft Guidance Goals
Contributions (1 of 2)
Contributions (2 of 2)
Previous Work (1 of 2)
Previous Work (2 of 2)
Global Positioning System
Wide Area Differential GPS
The National Satellite Test Bed (NSTB)
Inmarsat
Geostationary Satellite Locations
Orbit Determination Methods
Accuracy Results for the User
Orbit Error Sensitivities
Orbit Errors Ratios: High Error
Orbit Errors Ratios: Low Error
Accuracy Comparison
Orbit Estimation
Orbit Propagation
Geostationary Orbit
Geostationary “Snapshot” Position
Orbit Propagation: Kepler
Orbit Propagation: Vinti
Orbit Propagation Method: Dynamic
GEO Orbit Estimation Method
PPT Slide
Batch Filter Design
Batch Filter Convergence
Real-Time Pseudorange Residuals
Availability Improvement Using GEO Ranging (1 of 2)
Availability Improvement Using GEO Ranging (2 of 2)
Message Content
Message Timing
Message Loss: Data Collection Setup and Method
Epoch Processing Logic
Message Loss: SNR Distribution
Message Loss Impact
Binary Channel (Burst) Model for Packet Loss
Burst Loss Effect on Availability
Conclusions
Future Work
Acknowledgements
Special Acknowledgement
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Author: Richard Fuller
Email: rafuller@home.com
Home Page: http://waas.stanford.edu/~wwu/rfuller
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