GPS signal samples with timing data

Details GPS signal samples with timing data GPS signal samples with timing data

2011-03-29

2011-03-29

Issing, Gregory C (Department: 3662)

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

Directive

Including a satellite

C342S357400

Reexamination Certificate

active

07916079

ABSTRACT:
A GPS receiver (10) is disclosed comprising a GPS antenna and a GPS RF front-end including an analogue to digital converter for sampling received GPS signals and a processor for outputting a stream of the GPS signal samples and inserting repeated instances of timing data indicating the timing of the sampling of the GPS signals in the stream in place of some of the GPS signal samples. Also disclosed is a corresponding method of providing a position fix and a computer program, computer-readable storage medium and apparatus for the same.

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Thor, Jonas et al, “A Direct RF Sampling Multifrequency GPS Receiver,” IEEE 2002, pp. 44-51.
Kaplan, Elliott (editor),Understanding GPS: Principles and Applications, Chap. 5, Ward, Phillip,“Satellite Signal Acquisition and Tracking”, Artech House, Mobile Communications Series, 1986, pp. 119-209.
Akos, Dennis et al., “Real-Time Software Radio Arcitectures for GPS Receivers”, GPS World, Jul. 2001, pp. 1-9 (Best available—pp. 1-20 from http://findarticles.com).

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