Adaptive channel bandwidth in an electronic toll collection system
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United States of America Patent
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Jan 20, 2009
Grant Date -
Mar 22, 2007
app pub date -
Sep 21, 2006
filing date -
Sep 21, 2005
priority date (Note) -
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Abstract
A method and system for adaptively allocating bandwidth in an electronic toll collection system. The system includes a reader that adapts the scanning time allocated to specific antennas based upon the traffic conditions. Those antennas that process a higher volume of traffic receive a greater allocation of the scanning time. In some embodiments, the determination as to when to allocate additional time to an antenna may be based upon whether or not a transponder is currently in the coverage zone for the antenna.
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