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Methods, systems, and computer program products for determining the location of a mobile terminal based on the strengths of signals received from transmitters having known locations

  • US 20030144007A1
  • Filed: 01/25/2002
  • Published: 07/31/2003
  • Est. Priority Date: 01/25/2002
  • Status: Abandoned Application
First Claim
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1. A method of determining a location of a mobile terminal, comprising:

  • receiving, at the mobile terminal, respective signals from respective ones of at least three transmitters whose respective locations and respective transmit power levels are known, the respective locations of the at least three transmitters being different from each other;

    measuring respective strengths of the received signals; and

    determining the location of the mobile terminal based on the respective strengths of the received signals, the respective locations of the at least three transmitters, and the respective transmit power levels of the at least three transmitters.

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