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Area based position determination for terminals in a wireless network

  • US 6,865,395 B2
  • Filed: 10/24/2002
  • Issued: 03/08/2005
  • Est. Priority Date: 08/08/2002
  • Status: Active Grant
First Claim
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1. A method of estimating the position of a wireless terminal, comprising:

  • receiving identities of a plurality of transmitters to be used to estimate the position of the terminal;

    determining a plurality of expected areas for the plurality of transmitters;

    adjusting the expected area associated with each transmitter based on at least one assigned scale factor to determine an adjusted expected area associated with the transmitter; and

    combining the plurality of expected areas for the plurality of transmitters to estimate the position for the terminal.

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