METHOD AND SYSTEM TO ESTIMATE VEHICLE TRAFFIC CONDITIONS
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United States of America Patent
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N/A
Issued Date -
Mar 4, 2010
app pub date -
Aug 29, 2008
filing date -
Aug 29, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and system to estimate vehicle traffic conditions for use in a vehicle navigation system. The system includes a cellular network which receives position data from a plurality of GPS enabled cellular telephones. A processor in the cellular network is programmed to estimate the traffic conditions or density of traffic on at least one road link based upon the received position data while a transmitter at the base station then transmits that estimated traffic condition to automotive vehicles containing navigation systems. A processor in the navigation system then utilizes the estimated traffic conditions for route and/or arrival time calculations.
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