Real-time data aiding for enhanced GPS performance

Details Real-time data aiding for enhanced GPS performance Real-time data aiding for enhanced GPS performance

2011-03-08

2011-03-08

Tran, Khoi (Department: 3664)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S200000, C701S213000, C701S216000, C701S220000, C342S350000, C342S356000, C342S357250, C342S357280, C342S357300, C342S357320

Reexamination Certificate

active

07904243

ABSTRACT:
Data from GPS satellites within the field of view of a ground station are retransmitted to LEO satellites, such as Iridium satellites, and cross-linked if necessary before being transmitted to a user. The user is then able to combine the fed-forward data with data received directly from GPS satellites in order to resolve errors due to interference or jamming. Iridium and data aiding thus provides a means for extending GPS performance under a variety of data-impaired conditions because it can provide certain aiding information over its data link in real time.

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GPS Pseudolites: Theory, Design, and Applications; Cobb, H. Stewart; Sep. 1997; http://waas.stanford.edu/˜wwu/papers/gps/PDF/Thesis/StewartCobbThesis97.pdf.

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