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METHOD AND APPARATUS FOR UPDATING TRAVEL TIME ESTIMATION

  • US 20130030681A1
  • Filed: 07/28/2011
  • Published: 01/31/2013
  • Est. Priority Date: 07/28/2011
  • Status: Active Grant
First Claim
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1. A self-contained vehicular traffic travel time information system for a vehicle in an inter-vehicle ad-hoc network, comprising:

  • an on-board vehicular broadcasting unit including a transmitter and receiver for communicating with other vehicles within the inter-vehicle ad hoc network;

    a positioning device for determining the vehicle'"'"'s position throughout a course of travel;

    an on-board vehicle processing unit for storing road segments throughout the vehicle path of travel, the on-board vehicle processing unit determining a starting position and an ending position for each respective road segment, and determining a length of time for traveling through each respective road segment; and

    a memory storage device for storing the segmented road portions and the time of travel associated with each respective road segment;

    wherein the on-board vehicular broadcasting unit disseminates the determined travel times of recently traveled road segments via a broadcast message to other vehicles within the inter-vehicle ad hoc network.

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