AGPS module time synchronization method and device using...

Details AGPS module time synchronization method and device using... AGPS module time synchronization method and device using...

2008-05-13

2008-05-13

Camby, Richard M. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S214000, C370S395400, C342S358000

Reexamination Certificate

active

07373250

ABSTRACT:
An Assisted Global Positioning System (AGPS) module time synchronization method and device using system time information in a mobile terminal that perform time synchronization using system frame information and a GPS module operation period in a process of searching for the position of a terminal using the AGPS module in an asynchronous mobile communication system. Accordingly, the GPS module operation period is set to be greater than the system frame period so that GPS system time can be immediately seen when an arbitrary GPS tick interrupt is operated.

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