Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 19, 2010
Patent Application Number
10598625
Date Filed
March 17, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A system and method for determining the flow of traffic in a monitored route segment using global positioning system, or assisted global positioning system, enabled cellular phones as traffic probes takes advantage of the existing cellular infrastructure to deploy traffic probes to determine the flow of traffic based on the speed and direction of probes. Filtering of probe data can be used to remove probes having outlying results such as excessive speed, or probes that do not fit the general trend already observed on a traffic route segment.
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