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Multicast wireless ad hoc packet routing

  • US 20020176399A1
  • Filed: 05/23/2001
  • Published: 11/28/2002
  • Est. Priority Date: 05/23/2001
  • Status: Active Grant
First Claim
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1. In a wireless communication system comprising a plurality of LAN radios utilizing IP packet communication, a method comprising the steps of:

  • a) providing at least a first LAN radio, a second LAN radio and a third LAN radio, wherein said first LAN radio and said second LAN radio are not within range of each other, but are each within range of said third LAN radio;

    b) broadcasting a periodic update message from said first LAN radio comprising information that said second LAN radio is not within range of said first LAN;

    c) receiving said first LAN radio periodic update message with said third LAN radio;

    d) determining that said first LAN radio and said second LAN radio are within range of said third LAN radio;

    e) updating a database of said third LAN radio with route information to indicate a route between said first LAN radio and said second LAN radio through said third LAN radio.

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