Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-07-19
2011-07-19
Mehrpour, Melody (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C701S207000, C701S213000
Reexamination Certificate
active
07983694
ABSTRACT:
The present invention relates to a method of determining the location of a target. The method includes initializing a set of base stations to determine their location relative to each other. At the target, the time of arrival of at least one signal from each of the plurality of base stations is measured. From this, the location of the target relative to the plurality of base stations may be directly calculated using a closed solution. In one embodiment, a time of arrival technique is used and in another embodiment a time difference of arrival technique is used. Preferably an ultra-wide band frequency is utilized.
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Cheok Ka C.
Smid G. Edzko
Beydoun Hattem A.
EPIC Law PLLC
Mehrpour Melody
Nav-Track, Inc.
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