Server device, mobile terminal and positioning mode...

Details Server device, mobile terminal and positioning mode... Server device, mobile terminal and positioning mode...

2007-05-31

2010-02-16

Phan, Dao L (Department: 3662)

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

Directive

Including a satellite

C342S457000, C701S213000

Reexamination Certificate

active

07663540

ABSTRACT:
A calculation server estimates a position of a mobile terminal that communicates with a base station incorporated with received global positioning system satellite signals. The calculation server includes a positioning information analyzer configured to select one of the positioning modes to be used out of a cell/sector positioning mode and a hybrid positioning mode on the basis of a distance between a cellular base station and the mobile terminal, and a position detector configured to calculate the position of the mobile terminal in the positioning mode selected by the positioning information analyzer.

REFERENCES:
patent: 2003/0125045 (2003-07-01), Riley et al.
patent: 2005/0020309 (2005-01-01), Moeglein et al.
patent: 10-47982 (1998-02-01), None
patent: 10-82847 (1998-03-01), None
patent: 2005-20216 (2005-01-01), None
patent: 2005-531940 (2005-10-01), None
patent: WO 01/33302 (2001-05-01), None
patent: WO 2005/004528 (2005-01-01), None
“Positioning System/ Present state of High Accuracy positioning technology and Service deployment”, 2ndBasement level of Promotion of Machine Industry Hall Symposium, Institute of Electronics, Information and Communication Engineers, Tokyo branch, May 3, 2006, 14 Pages, (with English Translation).

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