Systems for and methods of determining likelihood of relocation of reference points in a positioning system
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United States of America Patent
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Apr 15, 2014
Grant Date -
Dec 15, 2011
app pub date -
Jun 9, 2011
filing date -
Jun 11, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods are provided for determining a measure of likelihood that an estimated geographic location of a designated wireless device is not its accurate present location includes determining a set of reference points associated with the device, which are a geographic position at which signals from the device were detected and/or other devices having a relationship with the designated device. The existence of the relationship is based on the devices being within signal reception range of a same position within a selected period of time. The method includes retrieving attributes of the reference points and/or of the relationships and determining a measure of likelihood that an estimated geographic location associated with the designated device is not its present location based on the attributes of the reference points of the set and/or of the relationships.
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