METHODS AND SYSTEMS FOR IMPROVING THE ACCURACY OF EXPECTED ERROR ESTIMATION IN LOCATION DETERMINATIONS USING A HYBRID CELLULAR AND WLAN POSITIONING SYSTEM
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United States of America Patent
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Issued Date -
Dec 17, 2009
app pub date -
Jun 16, 2009
filing date -
Jun 16, 2008
priority date (Note) -
Abandoned
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Abstract
The present disclosure relates to systems and methods for improving the accuracy of expected error estimations in hybrid cellular and WLAN location determination. In some embodiments, the method can include providing a WLAN based location estimate and an expected error estimate for the WLAN based location estimate, providing a cellular based location estimate and an expected error estimate for the cellular based location estimate, and determining the expected error of the location determination by evaluating the consistency of the cellular based location estimate to the WLAN based location estimate. In some embodiments, the location estimate with the lower expected error can be selected as the location determination of the WLAN and cellular enabled device. In some embodiments, the consistency of the estimates can include the distance between the cellular based location estimate and the WLAN based location estimate.
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