Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2011-05-31
2011-05-31
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
C342S357420, C342S357640
Reexamination Certificate
active
07952518
ABSTRACT:
Systems and methods according to various embodiments provide for navigation in attenuated environments by integrating satellite signals with Internet hotspot signals. In one embodiment, a receiver unit adapted to perform geolocation comprises an antenna adapted to receive a precision time signal from a satellite and receive additional aiding information from a wireless network station, wherein the precision time signal comprises a periodic repeating code. The receiver unit also comprises a processor and a memory adapted to store a plurality of computer readable instructions which when executed by the processor are adapted to cause the receiver unit to: use the precision time signal and the aiding information to determine a precise absolute time, determine positioning information associated with the receiver unit, use the positioning information to request location information of the wireless network station, and determine an absolute geolocation of the receiver unit using the positioning information and the location information.
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Brumley Robert W.
Ferrell Barton G.
Gutt Gregory M.
Whelan David A.
Haynes and Boone LLP
Tarcza Thomas H
The Boeing Company
Vigushin John B
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