Method and apparatus for obtaining satellite trajectory data...

Details Method and apparatus for obtaining satellite trajectory data... Method and apparatus for obtaining satellite trajectory data...

2008-03-11

2008-03-11

Phan, Dao (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

C342S357490

Reexamination Certificate

active

10968345

ABSTRACT:
Method and apparatus for locating position of a mobile receiver is described. In one embodiment, satellite measurements are obtained at the mobile receiver for a plurality of satellites in a satellite positioning system constellation. Satellite trajectory data is obtained at the mobile receiver from a server. Ephemeris data is obtained at the mobile receiver from at least one satellite of the plurality of satellites. Position is computed for the mobile receiver using the satellite measurements, the satellite trajectory data, and the ephemeris data.

REFERENCES:
patent: 3630079 (1971-12-01), Hughes et al.
patent: 6741935 (2004-05-01), Eschenbach
patent: 7133772 (2006-11-01), van Diggelen
patent: 2003/0052817 (2003-03-01), Diggelen
patent: 2006/0111840 (2006-05-01), van Diggelen

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