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Real-time data aiding for enhanced GPS performance

  • US 20050159891A1
  • Filed: 06/22/2004
  • Published: 07/21/2005
  • Est. Priority Date: 01/15/2004
  • Status: Active Grant
First Claim
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1. A method for determining a position for a user using GPS satellite signals, comprising:

  • receiving a real-time GPS data stream transmitted from a GPS satellite;

    receiving, from a LEO satellite, a feed-forward GPS data stream originating from the GPS satellite;

    processing the real-time and feed forward signals such that the feed forward signals supplement the real-time data at least where the real-time data is impaired; and

    determining a position for the user based on the processed signals.

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