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METHOD OF ESTIMATING POSITION OF A DEVICE

  • US 20150172872A1
  • Filed: 07/24/2013
  • Published: 06/18/2015
  • Est. Priority Date: 07/24/2012
  • Status: Active Grant
First Claim
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1. A method of estimating the position of a device, the method comprising:

  • providing a database of location specific geographical descriptive data;

    obtaining location data relating to the position of the device;

    retrieving geographical descriptive data specific to an indoor region from the said database, the indoor region being selected dependent on the location data; and

    subsequently estimating the position of the device taking into account the retrieved data.

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