Method and system using positions of cellular phones matched to road network for collecting data
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United States of America Patent
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Apr 30, 2002
Issued Date -
N/A
app pub date -
Aug 20, 1999
filing date -
Oct 16, 1997
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A data collection system and method match the positions of one or more cellular phones, or other types of wireless phones, to data indicating the locations of roads in a geographic area to derive data about phones located in vehicles traveling along the roads. The data about phones located in vehicles traveling along the roads are used for updating or refining a geographic database, traffic monitoring and reporting, or for other purposes.
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