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Data transmission method in sensor network

  • US 8,615,024 B2
  • Filed: 06/16/2010
  • Issued: 12/24/2013
  • Est. Priority Date: 11/27/2009
  • Status: Active Grant
First Claim
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1. A data transmission method of a sending node among a plurality of sending nodes in a sensor network, the method comprising:

  • generating data to be transmitted to a receiving node;

    transmitting headers of the generated data to the receiving node in response to a Wake-up Notification Message (WNM) from the receiving node;

    receiving a Grant Notification Message (GNM) from the receiving node, the GNM authorizing one sending node among the plurality of sending nodes to transmit a payload of the generated data;

    transmitting the payload of the generated data when the sending node is the authorized sending node; and

    switching into sleep mode without data transmission when the sending node is not the authorized sending node.

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