Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2007-05-01
2007-05-01
Tarcza, Thomas H. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
C342S357490
Reexamination Certificate
active
10932419
ABSTRACT:
A method for creating acquisition assistance information (AA data) for acquiring of a global positioning system (GPS) signal in an assisted global positioning system (AGPS) is provided. The method includes receiving repeater information included in a mobile communication network of a terminal whose location is to be measured, in response to a request for the acquisition assistance information for the GPS signal from the terminal, determining a repeater delay caused by a repeater that is present between the terminal and a base station that is synchronized with the terminal using the repeater information, and creating the acquisition assistance information for the GPS signal of the terminal based on the repeater delay. The AA data that is based on the repeater delay enables a terminal to more finely and stably acquire the GPS satellite signal. Also, accurate and stable acquisition of the GPS satellite signal of the terminal enhances the accuracy of calculation of the terminal location in the AGPS.
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Jung Jae-Young
Kum Dong-Jun
Lee Young-Sik
Mull Fred H.
Samsung Electronics Co,. Ltd.
Tarcza Thomas H.
The Farrell Law Firm
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