Satellite based positioning method and system for coarse location positioning
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United States of America Patent
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Sep 4, 2012
Issued Date -
N/A
app pub date -
Jul 30, 2010
filing date -
May 18, 2000
priority date (Note) -
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Abstract
A satellite based positioning method and system including storing satellite sub-almanac data on a mobile station. Embodiments include using the sub-almanac data to take measurements and calculate a coarse position of the mobile station. Embodiments further include a location server calculating a correction to the coarse position, and the location server determining whether any sub-almanacs used to calculate the coarse position require replacement.
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