Traffic analysis using wireless receivers and vehicle detection devices
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United States of America Patent
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Mar 10, 2015
Grant Date -
May 15, 2014
app pub date -
Nov 14, 2012
filing date -
Sep 30, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods, systems, and devices for monitoring roadway traffic. A method includes transmitting wireless signals from at least one roadside equipment (RSE) device and receiving responses by the RSE device from a wireless device, the responses including a unique identifier corresponding to the wireless device. The method includes determining a signal strength of each of the responses by the RSE device and transmitting response data from the RSE device to a control system, the response data including the unique identifier, the signal strength of each of the responses, and times that the responses were received. The method includes detecting at least one vehicle by the control system using a vehicle detection device and associating the response data with the detected vehicle. The method includes determining traffic information associated with the wireless device based on the received response data and the associated detected vehicle.
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