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Systems and methods for using a satellite positioning system to detect moved WLAN access points

  • US 8,564,481 B2
  • Filed: 07/17/2012
  • Issued: 10/22/2013
  • Est. Priority Date: 07/16/2009
  • Status: Active Grant
First Claim
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1. A method of using information from a Wireless Local Area Network (WLAN) and satellite enabled device to confirm that a reference location associated with a detected WLAN access point (AP) is the present location of the AP, the method comprising:

  • identifying at least one WLAN AP detected by the WLAN and satellite enabled device;

    accessing a reference database to obtain a reference location associated with the at least one WLAN AP;

    receiving a position estimate for the device from at least one of a WLAN positioning system (WLAN PS), a satellite positioning system (SPS), or a hybrid positioning system, wherein the hybrid positioning system generates the position estimate based on signals from at least one WLAN AP and at least one satellite;

    estimating a distance between the reference location associated with the WLAN AP and the position estimate of the device; and

    confirming that the reference location associated with the WLAN AP is the present location of the WLAN AP based on the distance between the reference location associated with the WLAN AP and the position estimate of the device.

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