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MULTIPLE DATA SOURCES PEDESTRIAN NAVIGATION SYSTEM

  • US 20160349057A1
  • Filed: 08/11/2016
  • Published: 12/01/2016
  • Est. Priority Date: 10/13/2010
  • Status: Abandoned Application
First Claim
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1. A method of pedestrian navigation based on an external positioning system and a Dead Reckoning (DR) system, the method comprising:

  • obtaining DR position readings from a plurality of pedestrian-carried platforms and external position readings from a remote source which is independent of the pedestrian-carried platforms, wherein the obtaining is repeated for a plurality of locations associated with the plurality of pedestrian-carried platforms;

    estimating, for each of the plurality of locations, an external positioning source error, based at least partially on the external position readings and the DR position readings;

    applying an estimation function to the external position readings, the DR position readings, and the external positioning source error, for the plurality of locations, to yield a corrected estimated position for each of the plurality of locations; and

    presenting the corrected estimated position for each of the plurality of locations to users of the pedestrian-carried platforms, respectively.

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