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Communication network initialization apparatus and method for fast GPS-based positioning

  • US 6,067,045 A
  • Filed: 04/28/1999
  • Issued: 05/23/2000
  • Est. Priority Date: 09/01/1998
  • Status: Expired due to Term
First Claim
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1. A method of initializing a GPS receiver to rapidly acquire GPS satellite signals for establishing a precise estimate of the position of the GPS receiver, the method comprising the steps of:

  • broadcasting a signal representative of orbital trajectories of one or more GPS satellites within view of the GPS receiver;

    broadcasting a time synchronization signal;

    calculating a rough estimate of the position of the GPS receiver; and

    inserting the signal representative of orbital trajectories, the time synchronization signal, and the rough estimate of the position of the GPS receiver into the GPS receiver.

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