Method and apparatus for initializing an approximate position in a GPS receiver
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United States of America Patent
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Dec 9, 2008
Grant Date -
Mar 10, 2005
app pub date -
Aug 28, 2003
filing date -
Aug 28, 2003
priority date (Note) -
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Abstract
A method (200, 600) and an apparatus (700) for a wireless portable communication device (102) for determining coarse position information are provided. The wireless portable communication device (102) receives information about a plurality of visible satellites (106, 108, 110), and determines a coarse position of the wireless portable communication device (102) and uncertainty parameters expected at the coarse position, using the determined coarse position and uncertainties to acquire satellites.
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