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Method for performing packet flooding at wireless ad hoc network

  • US 7,266,386 B2
  • Filed: 04/06/2004
  • Issued: 09/04/2007
  • Est. Priority Date: 04/30/2003
  • Status: Active Grant
First Claim
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1. A method for performing packet re-flooding in a wireless ad hoc network including a plurality of nodes, comprising:

  • establishing a power level reference so that each of the plurality of nodes, other than a source node, receiving a broadcast packet from the source node is assigned a predetermined number of power levels corresponding to a receiving power of a signal carrying the received packet;

    each of the plurality of nodes, except the source node, obtaining the receiving power of the signal carrying the received packet, respectively;

    establishing one of the power levels as a respective power level of each of the plurality of nodes based on the power level reference, in accordance with the receiving power as obtained;

    calculating a back-off delay time in accordance with the power level established for each of the plurality of nodes, except the source node; and

    when the back-off delay time of a respective one of the plurality of nodes, except the source node, expires, and the received packet is not identical to a packet previously received by the respective one of the plurality of nodes, the respective one of the plurality of nodes re-floods the received packet.

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