Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2011-02-01
2011-02-01
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
Reexamination Certificate
active
07880673
ABSTRACT:
A position determination system includes a mobile terminal configured to receive GPS information from a GPS; a base station device configured to measure a round trip time (RTT) from the mobile terminal; a base-station position table unit configured to store position information on the base station device; a cable-length table unit configured to store a cable length between the base station device and an antenna assembly provided to the base station device, the antenna assembly communicates with the mobile terminal; and a position determination device configured to determine the position of the mobile terminal on the basis of the round trip time measured by the base station device, the cable length obtained from the cable-length table unit, the position information on the base station obtained from the base-station position table unit, and the GPS information received from the mobile terminal.
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Hoshino Jin
Kimoto Masatoshi
Ogata Susumu
Nguyen Nga X
NTT Docomo Inc.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Tarcza Thomas H
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