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Vehicle intersection warning system and method with false alarm suppression

  • US 9,598,009 B2
  • Filed: 07/09/2015
  • Issued: 03/21/2017
  • Est. Priority Date: 07/09/2015
  • Status: Active Grant
First Claim
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1. A method for providing information to a driver of a vehicle, comprising:

  • receiving, at a host vehicle from one or more remote vehicles via a wireless electronic communication link, remote vehicle information indicating geospatial state and kinematic state for each of the one or more remote vehicles;

    identifying host vehicle information indicating geospatial state and kinematic state for the host vehicle, wherein the host vehicle is waiting to take an action that includes traversing a first path;

    determining, based on the remote vehicle information and the host vehicle information, whether any of the remote vehicles are queued vehicles that are waiting ahead of the host vehicle to take the action that includes traversing the first path;

    identifying, based on the remote vehicle information and the host vehicle information, a queue length representing a number of the queued vehicles that are queued ahead of the host vehicle;

    identifying, based on the remote vehicle information and the host vehicle information, at least one of the one or more remote vehicles as a conflicting vehicle that is travelling on a second path that crosses the first path;

    determining a time-to-contact based on the remote vehicle information corresponding to the conflicting vehicle and the host vehicle information; and

    causing a warning alert to be output if the time-to-contact is less than a warning alert threshold and only if the queue length is zero vehicles.

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