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Method and apparatus for route discovery within a communication system

  • US 7,466,665 B2
  • Filed: 06/25/2003
  • Issued: 12/16/2008
  • Est. Priority Date: 06/25/2003
  • Status: Active Grant
First Claim
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1. A method for route discovery, the method comprising the steps of:

  • determining that a first node needs to communicate with a second node, wherein the first and the second nodes are part of an underlay ad-hoc communication system;

    sending, by the first node, a message to an overlay communication system notifying the overlay communication system of the need to communicate with the second node;

    receiving by the first node, from the overlay communication system, instructions to broadcast a route-discovery message;

    broadcasting the route discovery message within the underlay communication system;

    receiving by the first node, a message instructing nodes within the ad-hoc communication system to stop flooding route discovery messages; and

    receiving by the first node route information from the overlay communication system.

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