Method and apparatus for adjusting acquisition assistance...

Details Method and apparatus for adjusting acquisition assistance... Method and apparatus for adjusting acquisition assistance...

2005-10-25

2005-10-25

Phan, Dao (Department: 3662)

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

Directive

Including a satellite

C342S357490

Reexamination Certificate

active

06958726

ABSTRACT:
Method and apparatus for adjusting acquisition assistance data received by a mobile receiver from a server is described. In one example, pseudoranges are measured from the mobile receiver to a set of satellites. Line-of-sight data is obtained with respect to the mobile receiver and the set of satellites. The pseudoranges and the line-of-sight data are processed to compute updates for an initial position associated with the acquisition assistance data and a correlator clock bias associated with the pseudoranges. The acquisition assistance data is then adjusted using the updates and the line-of-sight data.

REFERENCES:
patent: 6133873 (2000-10-01), Krasner
patent: 6211819 (2001-04-01), King et al.
patent: 6417801 (2002-07-01), van Diggelen
patent: 6429811 (2002-08-01), Zhao et al.

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