Method and mobile station for determining a code phase

Details Method and mobile station for determining a code phase Method and mobile station for determining a code phase

2005-05-03

2005-05-03

Issing, Gregory C. (Department: 3662)

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

Directive

Including a satellite

C342S378000

Reexamination Certificate

active

06888497

ABSTRACT:
A method (500) and a mobile station (160) for determining a code phase are described herein. The mobile station (160) may generate a first auto correlation function (ACF) associated with correlation samples over a range of code phases corresponding to a line-of-sight signal. The mobile station (160) may generate a second ACF within the mobile station based on measured correlation samples over a range of code phases. The mobile station (160) may compare the first ACF to the second ACF to generate a code phase offset between the first and second ACFs. The mobile station (160) may adjust the first ACF to match the second ACF.

REFERENCES:
patent: 5414729 (1995-05-01), Fenton
patent: 5459473 (1995-10-01), Dempster et al.
patent: 5633255 (1997-05-01), Bigg et al.
patent: 6133873 (2000-10-01), Krasner
patent: 6633255 (2003-10-01), Krasner
patent: 6633814 (2003-10-01), Kohli et al.

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