MULTIPLE DATA SOURCES PEDESTRIAN NAVIGATION SYSTEM
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United States of America Patent
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app pub date -
Apr 1, 2015
filing date -
Oct 13, 2010
priority date (Note) -
Abandoned
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Abstract
A method of pedestrian navigation, based on an external positioning system and a Dead Reckoning (DR) system, is provided herein. The method may employ the following steps: obtaining external positioning readings from an external positioning source and DR position readings from a pedestrian-carried platform; estimating an external positioning error, based at least partially on the external positioning and the DR position readings; and applying an estimation function to the external position readings, the DR position readings, and the external positioning errors, to yield a corrected estimated position.
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