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GNSS performance enhancement using accelerometer-only data

  • US 8,935,093 B2
  • Filed: 11/13/2012
  • Issued: 01/13/2015
  • Est. Priority Date: 01/28/2010
  • Status: Active Grant
First Claim
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1. A method of accelerometer assisted satellite navigation, comprising:

  • collecting accelerometer data;

    categorizing said accelerometer data into one of at least two acceleration levels depending on a magnitude of said accelerometer data, wherein a first acceleration level corresponds to a range of acceleration magnitudes that are higher than a range of acceleration magnitudes corresponding to a second acceleration level; and

    utilizing the categorized accelerometer data to enhance satellite navigation based on received satellite signals, wherein when said accelerometer data is categorized as said first acceleration level, a first condition for performing satellite navigation based on received satellite signals is used, and wherein when said accelerometer data is categorized as said second acceleration level, a second condition different than said first condition is used for performing satellite navigation based on received satellite signals.

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