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METHOD FOR DISCOVERING A ROUTE TO A PEER NODE IN A MULTI-HOP WIRELESS MESH NETWORK

  • US 20080317047A1
  • Filed: 06/20/2007
  • Published: 12/25/2008
  • Est. Priority Date: 06/20/2007
  • Status: Abandoned Application
First Claim
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1. In a wireless multi-hop network including a plurality of multi-radio meshed nodes each comprising a plurality of radio modules, wherein each radio module comprises an interface, a method for a particular multi-radio meshed node to discover a route to a peer multi-radio meshed node, the method comprising:

  • transmitting route request (RREQ) messages from each interface of a particular multi-radio meshed node; and

    receiving, at a particular recipient multi-radio meshed node, at least one of the route request (RREQ) messages and generating a reverse route to the particular multi-radio meshed node by;

    (a) updating an existing reverse route entry for the reverse route based on the route information from the RREQ message, or (b) creating a new route entry for the reverse route based on the route information from the RREQ message if a route entry for the reverse route entry does not exist;

    recording a local interface MAC address from which the RREQ message is received and a sending node interface MAC address in an interface information field of the reverse route entry; and

    determining the sending node MAC address from a neighbor table, and recording the sending node MAC address as a next hop address in a particular node entry of the routing table.

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