System for determining position of mobile communication...

Details System for determining position of mobile communication... System for determining position of mobile communication...

2005-01-25

2005-01-25

Phan, Dao (Department: 3662)

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

Directive

Including a satellite

C342S357490, C701S214000

Reexamination Certificate

active

06847325

ABSTRACT:
A position determination system of a hybrid method, which is capable of complementing the problems of a position determination method, in which a global positioning system (GPS) is used, and a position determination method, in which a mobile communication signal is used, by combining the above two methods with each other, is provided. Also, it is possible to improve the reliability and the correctness in determining the position of a mobile communication terminal using a dispersing type hybrid position calculation method and a centralized hybrid position calculation method.

REFERENCES:
patent: 5619211 (1997-04-01), Horkin et al.
patent: 5786773 (1998-07-01), Murphy
patent: 5982324 (1999-11-01), Watters et al.
patent: 6072428 (2000-06-01), Schipper et al.
patent: 6324473 (2001-11-01), Eschenbach
patent: 6430416 (2002-08-01), Loomis

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