Method and apparatus for correcting location information of mobile communication terminal
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United States of America Patent
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Aug 9, 2016
Grant Date -
Jul 23, 2009
app pub date -
Dec 15, 2006
filing date -
Jun 17, 2006
priority date (Note) -
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Abstract
A method and apparatus for correcting location information of mobile communication terminals is disclosed. The apparatus for correcting location information of mobile communication terminals, includes: a handler to collect location measurement information of the mobile communication terminals, and environment information containing locations of base stations and arrangements of roads or buildings from a network; a database to store the location measurement information and the environment information; an analysis unit to analyze the location measurement information and the environment information to generate correction maps; a correction map database to store the correction maps; and a service unit to refer to the correction maps and to provide a corrected location estimate service, a corrected location measurement service, or a correction-value broadcast service to mobile communication terminals which request location services.
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