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Method and system for distributed navigation

  • US 6,845,322 B1
  • Filed: 07/15/2003
  • Issued: 01/18/2005
  • Est. Priority Date: 07/15/2003
  • Status: Active Grant
First Claim
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1. A distributed navigation system comprising a client and a remote server, wherein a method of providing distributed navigation to a user via the client comprises:

  • selecting a destination wherein a user selects the destination;

    determining a user'"'"'s initial position via the server;

    calculating a nominal route to the destination via the server;

    sending information from the server to the client wherein the information comprises navigation information related to the nominal route and mapping information of a corridor area surrounding the nominal route;

    providing navigation guidance to the user, wherein the navigation guidance is provided from the client to the user;

    sending a request from the client to the server if a predetermined event set to trigger communication between the client and the server occurs;

    transmitting additional information from the server to the client in response to the request;

    presenting the user with a reroute option generated using the transmitted additional information; and

    recalculating a new route if the user selects the reroute option.

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