GNSS navigation aided by static data
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United States of America Patent
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Nov 26, 2013
Issued Date -
N/A
app pub date -
Mar 23, 2011
filing date -
Mar 25, 2010
priority date (Note) -
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Abstract
A GNSS receiver includes a RF front end for receiving GNSS ranging signals, a navigation processor for calculating location from the ranging signals, and a repository of static data. The navigation processor includes the static data in the location calculation. Examples of static data include a digital elevation map, coordinates of tunnel entrances for use when the receiver resumes reception of the signals upon exiting a tunnel, and descriptions of structures in sufficient detail to enable multipath mitigation.
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