Method and system for an efficient low cost PPS GPS receiver

Details Method and system for an efficient low cost PPS GPS receiver Method and system for an efficient low cost PPS GPS receiver

1999-04-06

2000-02-29

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

34235706, 701213, G01S 502, H04B 7185

Patent

active

060314885

ABSTRACT:
A system for processing a PPS (precise positioning service) signal from a GPS (global positioning system) satellite to obtain PPS based positioning information therefrom. A first GPS receiver is adapted to process a PPS signal from a GPS satellite. The first GPS receiver is further adapted to output CVas (Crypto Variable Anti Spoofing) and SA correction information corresponding to the PPS signal. A second GPS receiver is adapted to receive the CVas and SA correction information from the first GPS receiver. The second GPS receiver is further adapted to process the PPS signal using the SA correction information received from the first GPS receiver and generate PPS based positioning information therefrom. The second GPS receiver does not include a KDP(key data processor). Accordingly, the second GPS receiver is not as tightly controlled as the first GPS receiver.

REFERENCES:
patent: 5757916 (1998-05-01), MacDoran et al.
patent: 5786790 (1998-07-01), Abbott
patent: 5903654 (1999-05-01), Milton et al.

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