System and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system
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United States of America Patent
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Aug 16, 2011
Grant Date -
Dec 10, 2009
app pub date -
Jun 5, 2009
filing date -
Jun 6, 2008
priority date (Note) -
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Abstract
This disclosure describes a system and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system. In some embodiments, the method can include detecting WLAN APs in range of the WLAN and satellite enabled device, obtaining satellite measurements from at least two satellites to provide a plurality of possible satellite locations of the device, and providing a weight for each AP based on the distance from the WLAN APs to the possible satellite locations of the device.
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