Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-08-14
2007-08-14
Feild, Joseph (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S042000, C342S387000, C342S357490, C342S357490
Reexamination Certificate
active
11113579
ABSTRACT:
Methods and systems for location estimation. Signals are received from a plurality of satellites and a plurality of base stations by a mobile station. The location of the mobile station is estimated according to TOA (Time-Of-Arrival) and TDOA (Time Difference-Of-Arrival) measurements calculated based on the signals.
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Chen Chao-Lin
Feng Kai-Ten
Feild Joseph
Nguyen David Q.
Thomas Kayden Horstemeyer & Risley
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