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Method and apparatus for providing a confidence-based road event message

  • US 10,311,728 B2
  • Filed: 08/11/2017
  • Issued: 06/04/2019
  • Est. Priority Date: 08/11/2017
  • Status: Active Grant
First Claim
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1. A computer-implemented method for transmitting a road event message comprising:

  • aggregating one or more reports of a road event reported from one or more vehicles traveling in an area of interest;

    calculating a data freshness parameter WTIME for the one or more reports based on an equation
    WTime=1−

    e

    t
    0/t,wherein t is an age of each of the one or more reports and t0 is a configurable parameter that controls how fast the data freshness parameter decreases with the age;

    calculating a confidence level for the road event based, at least in part, on the data freshness parameter; and

    transmitting the road event message for the area of interest based on the confidence level.

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