Method and apparatus for mitigating multipath effects at a...

Details Method and apparatus for mitigating multipath effects at a... Method and apparatus for mitigating multipath effects at a...

2006-08-22

2006-08-22

Phan, Dao L. (Department: 3662)

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

Directive

Including a satellite

C342S357490

Reexamination Certificate

active

07095370

ABSTRACT:
A method and apparatus for mitigating multipath effects in a satellite signal receiver is described. In one example, measured pseudoranges are obtained from the satellite signal receiver to a plurality of satellites. For each measured pseudorange: an expected pseudorange is derived from a sequential estimation filter in the satellite signal receiver. The measured pseudorange and the expected pseudorange are differenced to compute a pseudorange residual. The measured pseudorange is applied to the sequential estimation filter only if the pseudorange residual is within a window.

REFERENCES:
patent: 5202829 (1993-04-01), Geier
patent: 6853916 (2005-02-01), Fuchs et al.
patent: 2005/0212696 (2005-09-01), Bartone et al.
patent: 2006/0017610 (2006-01-01), Komjathy et al.

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