Multi-level location disambiguation
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United States of America Patent
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Nov 19, 2019
Grant Date -
Jan 30, 2014
app pub date -
Oct 23, 2012
filing date -
Jul 24, 2012
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Abstract
A method of disambiguating a location of a mobile station within a structure includes: obtaining, at the mobile station, regional pressure indications and corresponding region indications indicating regions within a structure that are vertically displaced with respect to each other, each of the regional pressure indications indicating atmospheric pressure information associated with the corresponding region; determining mobile station pressure information associated with a present location of the mobile station; comparing the mobile station pressure information with the regional pressure indications; and based on the comparing, determining in which of the regions the mobile station presently resides.
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