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SYSTEM AND METHOD FOR ACCESS POINT BASED POSITIONING

  • US 20120063340A1
  • Filed: 09/12/2011
  • Published: 03/15/2012
  • Est. Priority Date: 09/13/2010
  • Status: Active Grant
First Claim
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1. A wireless device, comprising:

  • a wireless local area network (WLAN) positioning system, comprising;

    an access point (AP) scanner configured to;

    determine, prior to execution of a WLAN positioning scan, which WLAN channels are being used by APs proximate to the wireless device; and

    execute a WLAN positioning scan for AP transmissions based on the prior determination of WLAN channels used by APs proximate to the wireless device; and

    extract signal strength and AP identification information for WLAN positioning from the AP transmissions on the scanned channels.

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