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APPARATUS AND METHOD FOR INDOOR POSITIONING

  • US 20130293416A1
  • Filed: 05/02/2012
  • Published: 11/07/2013
  • Est. Priority Date: 05/02/2012
  • Status: Active Grant
First Claim
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1. A method for indoor positioning, comprising:

  • determining, by a wireless device, a reference location of the wireless device, based on satellite positioning, as the device passes between areas of satellite positioning signal reception and satellite positioning signal non-reception;

    measuring, by the wireless device, while in the areas of non-reception, signals transmitted by wireless local area network (WLAN) access points (APs);

    measuring, by the wireless device, while in the areas of non-reception, parameters of motion of the wireless device;

    estimating positions of the wireless device in the areas of non-reception based on the reference location and the parameters of motion; and

    generating a positioning grid for positioning based on the signals measured by the wireless device at the estimated positions.

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