Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2004-11-30
2008-10-07
Phu, Sanh D (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456200, C455S456500, C455S404200, C342S118000, C342S357490
Reexamination Certificate
active
07433693
ABSTRACT:
A system, method and device are provided for determining the position of a mobile station through the identification of an approximate position of the mobile station. Thereafter received signal strength (RSSI) fingerprint data for the approximate position is requested and retrieved. The fingerprint data and received signal strength data collected at the mobile station are compared in connection with fixing the position of the mobile station.
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Bachard Richard A.
Gunderson Linda G.
Phu Sanh D
Qualcomm Incorporated
Rouse Thomas R.
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