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System and method for rapid telepositioning

  • US 6,560,536 B1
  • Filed: 04/11/2001
  • Issued: 05/06/2003
  • Est. Priority Date: 07/12/1999
  • Status: Expired due to Term
First Claim
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1. A system for providing location information, comprising:

  • a mobile terminal that receives a global positioning system (GPS) signal having a carrier frequency and code phase information from a plurality of global positioning satellites, and measures the carrier frequency and code phase for each of the GPS signals from the plurality of GPS satellites;

    a SOC to which the mobile terminal sends a message containing the received carrier frequency and code phase measurements for each of the received signals, the SOC using the signal characteristics to determine a set of coarse locations in a general region in which the mobile terminal is located, and the code phase measurements to refine the coarse locations and determine a final position of the mobile terminal.

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