Method for calculating the position of a mobile terminal,...

Details Method for calculating the position of a mobile terminal,... Method for calculating the position of a mobile terminal,...

2007-06-26

2007-06-26

Chin, Gary (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C455S456100, C340S539130

Reexamination Certificate

active

10756404

ABSTRACT:
In the present invention, even if a mobile terminal is close to a base station, the position of the mobile terminal is measured accurately. The disclosed method for calculating the position of a mobile terminal comprises: measuring the differences between the propagation distances of the signals on the channels between a plurality of base stations and the mobile terminal; determining if the mobile terminal is close to a base station; calculating the position of the mobile terminal by a common formula if it is determined that the mobile terminal is not in close proximity to any of the base stations; calculating the position of the mobile terminal in close proximity to a base station if it is determined that the mobile terminal is in close proximity to one of the base stations; and outputting the position of the mobile terminal calculated through either of the routines for calculating the mobile terminal position.

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U.S. Appl. No. 10/463,608, filed Jun. 18, 2003, Ogino et al.
European Search Report dated May 18, 2005.

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