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GPS reference system providing synthetic reference phases for controlling accuracy of high integrity positions

  • US 20060279455A1
  • Filed: 06/08/2005
  • Published: 12/14/2006
  • Est. Priority Date: 06/08/2005
  • Status: Active Grant
First Claim
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1. A positioning system for providing synthetic reference data for controlling geographical position accuracy, comprising:

  • a reference global navigation satellite system (GNSS) receiver for measuring a reference phase of a GNSS signal; and

    a synthetic phase processor for using said reference phase for inferring a synthetic reference phase at a synthetic position, said synthetic position separated from a reference position by a selected non-zero synthetic offset vector; and

    providing said synthetic reference phase and said reference position for use by a rover station including a rover GNSS receiver for determining a rover position with respect to said reference position having an added positional error proportional to said synthetic offset vector.

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