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ADAPTIVE ROUTE PLANNING FOR GPS-BASED NAVIGATION

  • US 20070271034A1
  • Filed: 05/17/2006
  • Published: 11/22/2007
  • Est. Priority Date: 05/17/2006
  • Status: Abandoned Application
First Claim
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1. A method of route planning for global positioning system (GPS) based navigation systems comprising:

  • identifying route segments used in a GPS based navigation system;

    recording an actual historical time of travel for at least one route segment;

    noting a day and time that said actual historical time of travel for said route segment was recorded;

    storing said actual historical time of travel and said day and time for said route segment in a database;

    receiving, as input, a beginning and an end of a desired route, and a current day and time;

    calculating a plurality of potential travel routes between said beginning and end of said desired route, wherein each of said potential travel routes comprises said route segments stored in said database;

    calculating an estimated travel time for each of said potential travel routes using said actual historical time of travel of said route segments for said current day and time; and

    identifying a travel route that has a shortest estimated travel time for said current day and time.

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