Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2006-12-01
2009-02-17
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
C342S353000, C342S453000
Reexamination Certificate
active
07492314
ABSTRACT:
User equipment navigation solution with position determination of a navigation signal reflector methods and systems are described. In an embodiment, navigation signals transmitted from global positioning system (GPS) platform(s) can be received at a GPS-enabled receiver as direct navigation signals and reflected navigation signals. The direct navigation signals can then be isolated from the reflected navigation signals. Receiver range measurements can be determined from the direct navigation signals which are received via direct signal paths from the GPS platform(s), and a navigation solution of the GPS-enabled receiver can then be resolved from the receiver range measurements. Similarly, reflector range measurements can be determined from the reflected navigation signals which are received via reflected signal paths from a signal reflector, and a position of the signal reflector can then be resolved from the reflector range measurements at the GPS-enabled receiver.
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PCT Intl Search Report and Written Opinion for Application No. PCT/US2007/086053, dated Nov. 11, 2008, 15 pgs.
DiEsposti Raymond S.
Kelley Clifford W.
Tekawy Jonathan A.
Lee & Hayes PLLC
Liu Harry
Tarcza Thomas H
The Boeing Company
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