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Satellite Autonomous Integrity Monitoring and its Role in Enhancing GPS User Performance
Satellite Autonomous Integrity Monitoring Role GPS User Performance
2015/6/29
One of the difficulties inherent in use of Global Naviga tion Satellite Systems (GNSS) for safety-critical applica tions is the need to insure user integrity in the face of an unbounded array of...
A Civil User Perspective on Near-Term and Long-Term GPS Modernization
Near-Term Long-Term GPS Modernization
2015/6/26
Sam Pullen is a Senior Research Engineer at Stanford University, where he is the director of the Local Area Augmentation System (LAAS) research effort. He has supported the FAA in developing LAAS and ...
Bounding Higher Order Ionosphere Errors for the Dual Frequency GPS User
Bounding Higher Order Ionosphere Errors Dual Frequency GPS User
2015/6/25
The advent of a second civil GPS frequency heralds a new phase of GPS performance. For single-frequency GPS users, the signal delay due to refraction through the ionosphere is the largest and most var...
Worldwide Trends in GNSS Development and their Implications for Civil User Performance and Safety
Worldwide Trends GNSS Development Civil User Performance Safety
2015/6/25
This paper examines the trends that are apparent in the worldwide development of Global Navigation Satellite Systems (GNSS) and how they will affect the growing population of civil users of satellite-...
The Impact of GPS Modernization on Standalone User Performance and Integrity with ARAIM
Impact GPS Modernization Standalone User Performance Integrity ARAIM
2015/6/24
Advanced RAIM, or ARAIM, extends and improves upon the traditional RAIM algorithm to detect and mitigate independent, multiple, and correlated GPS signal faults. While ARAIM depends on multiple redund...