Location measurement method based on predictive filter
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United States of America Patent
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Feb 12, 2013
Grant Date -
Sep 10, 2009
app pub date -
Mar 4, 2009
filing date -
Mar 4, 2008
priority date (Note) -
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Abstract
Provided is a location measurement method of a mobile node using a predictive filter is provided for improving the location measurement accuracy of the mobile node. The location measurement method of a mobile node detects change of movement pattern of the mobile node, corrects weights of a location measurement period and a predictive filter depending on the change of movement pattern, and compensates a location of the mobile node using the corrected weights of the location measurement period and predictive filter.
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