Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-09-19
2006-09-19
Nguyen, Duc M. (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456300, C455S525000, C701S214000, C342S450000
Reexamination Certificate
active
07110775
ABSTRACT:
In calculation of a position of a terminal, there arises, when creating a delay profile, a problem to select a transmission code for a sector of a base station to create the delay profile. According to a position of a base station and a bearing of each antenna forming a sector of the base station, a wireless position calculation method selects a transmission code for a sector of a base station to create a delay profile. Under a condition that the number of delay profiles to be created is limited, each delay profile is created in consideration of the antenna bearing. Therefore, the number of base stations at mutually different positions is increased to calculate the position and precision of the position calculation is improved.
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Fujishima Kenzaburo
Ogino Atsushi
Suzuki Hideya
A. Marquez, Esq. Juan Carlos
Fisher Esq. Stanley P.
Hitachi , Ltd.
Nguyen Duc M.
Reed Smith LLP
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