Method for increasing the availability of a global navigation system
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United States of America Patent
Stats
-
Jan 10, 2012
Grant Date -
Jun 10, 2010
app pub date -
Feb 1, 2008
filing date -
Feb 6, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for increasing the availability of a global navigation system that includes a plurality of spacecraft, each of which transmits information for determining the position of a terminal. From the plurality of spacecraft, a first subset, with at least one spacecraft, and a second subset are determined, the second subset being constituted by those spacecraft that are not included in the first subset. The integrity risk is determined for the information transmitted only by the second spacecraft. The first and the second subsets of spacecraft are determined such that the integrity risk, for information transmitted by the second subset spacecraft minimized relative to the integrity risk for information of all spacecraft included in the plurality of spacecraft.
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Cited Art Landscape
Patent Citation Ranking
- 6 Citation Count
- G01S Class
- 2.71 % this patent is cited more than
- 13 Age
