Reducing elevation error with environmental pressure anomaly compensation
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United States of America Patent
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Nov 21, 2017
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N/A
app pub date -
Feb 10, 2016
filing date -
Jun 12, 2012
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Abstract
A method for determining an environmental pressure change affecting a pressure sensor within a portable device to determine an elevation of the portable device is disclosed. The method involves estimating a location of the mobile device, estimating an atmospheric pressure associated with the mobile device at a server based on data indicative of atmospheric pressure received from the mobile device, and generating the elevation of the mobile device based on the atmospheric pressure associated with the mobile device and reference data indicative of an absolute elevation reference. The absolute elevation determined may be based on the estimated location of the mobile device and elevation data obtained from a reference map.
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