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WIRELESS CLIENT POSITION ESTIMATING SYSTEM AND METHOD

  • US 20090082034A1
  • Filed: 09/26/2008
  • Published: 03/26/2009
  • Est. Priority Date: 09/26/2007
  • Status: Active Grant
First Claim
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1. A method for determining an estimated position of mobile wireless client device in a communications environment served by a wireless communications network, the method comprising:

  • identifying a plurality of locations in the communications environment;

    employing one or more access points to serve the communications environment, wherein each access point is positioned at a location in the plurality of locations;

    building a model of the communications environment comprising attenuation factors that approximate an attenuation effect on propagation of communications signals in the communications environment between the location of the one or more access points and a second location in the plurality of locations;

    measuring a received signal strength at the one or more access points of a signal transmitted from a first mobile wireless client device; and

    determining the estimated position of the first mobile wireless client device based on the received signal strength, an identification of transmitted signal strength and the model.

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