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Autonomous projection of global navigation satellite orbits

  • US 20100283681A1
  • Filed: 01/07/2008
  • Published: 11/11/2010
  • Est. Priority Date: 01/07/2008
  • Status: Active Grant
First Claim
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1. A method of autonomous orbit projection performed within a Global Navigation Satellite System (GNSS) receiver, said method comprising:

  • receiving distinct broadcast orbits from a GNSS satellite, said distinct broadcast orbits received in a GNSS receiver over time during operation of said GNSS receiver;

    storing a plurality of said distinct broadcast orbits within said GNSS receiver;

    converting a plurality of said stored broadcast orbits into a time series of range data for said GNSS satellite, said converting performed within said GNSS receiver; and

    determining a projected orbit for said GNSS satellite by utilizing said time series of range data as an input to an orbit projector of said GNSS receiver.

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