System and method for node adaptive filtering and congestion control for safety and mobility applications toward automated vehicles system
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United States of America Patent
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Nov 18, 2014
Grant Date -
Dec 4, 2014
app pub date -
Jun 1, 2013
filing date -
Jun 1, 2013
priority date (Note) -
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Abstract
In one example, we describe a method and infrastructure for DSRC V2X (vehicle to infrastructure plus vehicle) system. This can cover a communication circle up to 800 m, and in some cases 1000 m, and as a result, in congested traffic areas, the onboard unit is communicating with high number of units and may end up saturating its processing capability very quickly. In one example, the task is to provide different levels of node filtering algorithms to intelligently select the node data to be processed. This results in optimally using the available processing power by only processing the data of the desired nodes. This method is based on combination of range, velocity, heading, direction, transmitted power, received power threshold, and map database, if available. This also reduces the V2X communication congestion problem resulted in high number of one-to-many nodes communication.
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