System and method for providing location based services over a network
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United States of America Patent
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Dec 13, 2011
Grant Date -
Oct 13, 2005
app pub date -
Mar 24, 2005
filing date -
Aug 14, 2000
priority date (Note) -
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Abstract
In a method for providing location-based information over a network, a plurality of GPS reference data sets, corresponding to a plurality of respective local areas, are acquired at intervals such that each GPS reference data set is updated on a continuous basis. A plurality of aiding data sets are generated at intervals based on the respective GPS data sets, whereby each aiding data set is updated on a continuous basis. The generated aiding data sets are stored at intervals on a data-storing network server, whereby updated aiding data sets are available on a continuous basis for access by a requesting entity via communication with the data-storing network server.
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