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ALTITUDE-BASED INDOOR OR OUTDOOR DETECTION

  • US 20180262880A1
  • Filed: 05/09/2018
  • Published: 09/13/2018
  • Est. Priority Date: 09/28/2015
  • Status: Abandoned Application
First Claim
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1. A method for improving an estimated position using altitude-based indoor/outdoor detection, the method comprising:

  • determining an estimated position of a receiver;

    determining an estimated altitude of the receiver;

    identifying an altitude associated with the estimated position;

    determining if a relationship between the estimated altitude and the identified altitude meets a first condition;

    determining if the receiver is inside or outside a building depending on whether the relationship meets the first condition; and

    improving one or both of the estimated position or the estimated altitude based on determining whether the receiver is inside or outside.

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