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Cooperative vehicle collision warning system

  • US 9,293,044 B2
  • Filed: 11/04/2014
  • Issued: 03/22/2016
  • Est. Priority Date: 12/19/2011
  • Status: Active Grant
First Claim
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1. A traffic information communication system comprising:

  • a receiver configured to receive a message relating to traffic conditions along a thoroughfare from a communication node;

    a processor configured to determine that the message is an urgent message or a non-urgent message;

    a transmitter communicatively coupled to the receiver and configured to rebroadcast the message within a predetermined amount of time after receiving the message, wherein the traffic information communication system is implemented in a vehicle traveling along the thoroughfare, wherein;

    when the message is a non-urgent message, the transmitter is configured to rebroadcast the message at a default transmission power that indicates the message is a non-urgent message; and

    when the message is an urgent message, the transmitter is configured to rebroadcast the message at an initial transmission power that is greater than the default transmission power and that indicates the message is an urgent message; and

    a sensor installed in the vehicle and configured to detect a trigger, wherein the transmitter is further configured to generate and broadcast a warning message relating to a potential safety threat to other vehicles in response to detecting the trigger.

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