Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul W. McBurney0
Frederic Vaucher0
Date of Patent
August 19, 2008
0Patent Application Number
108536910
Date Filed
May 25, 2004
0Patent Primary Examiner
Patent abstract
A navigation satellite receiver accepts satellite-position table messages comprising truncated GPS ephemeris parameters. In particular, at least one of the two harmonic corrections to inclination angle, Cic and Cis, are not communicated and not used in the solution of navigation receiver position. In a first method embodiment of the present invention, both the two harmonic corrections to inclination angle, Cic and Cis, are omitted from the computation. In a second method embodiment of the present invention, only one of the two harmonic corrections to inclination angle, Cic and Cis, are omitted from the computation, depending on Min(Cis sin(2φk), Cis cos(2φk)).
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