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Method for improving GPS integrity and detecting multipath interference using inertial navigation sensors and a network of mobile receivers

  • US 7,233,864 B2
  • Filed: 07/27/2006
  • Issued: 06/19/2007
  • Est. Priority Date: 07/07/2003
  • Status: Active Grant
First Claim
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1. A method of mapping GPS multipath levels at each point in a vicinity for an entire range of satellite constellations, comprising:

  • a) detecting a GPS multipath error at a particular point in the vicinity for a satellite constellation using multiple GPS receivers that rove independently with respect to one another;

    b) recording the multipath error as a GPS multipath level for the particular point and the satellite constellation; and

    c) repeating steps a) and b) for all other points in the vicinity and at different times to capture the entire range of satellite constellations.

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