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Wireless-based positioning adjustments using a motion sensor

  • US 9,291,704 B2
  • Filed: 10/15/2014
  • Issued: 03/22/2016
  • Est. Priority Date: 11/21/2008
  • Status: Expired due to Fees
First Claim
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1. A method for adjusting a wireless-based position estimate of a mobile station using a relative motion sensor, comprising:

  • estimating a position of a mobile station based upon wireless signal measurements;

    detecting a displacement of the mobile station using the relative motion sensor;

    adjusting an estimated processing delay of a wireless access point using the detected displacement; and

    refining the estimated position of the mobile station using the adjusted processing delay.

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