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DATA TRANSMISSION METHOD IN SENSOR NETWORK

  • US 20110128898A1
  • Filed: 06/16/2010
  • Published: 06/02/2011
  • Est. Priority Date: 11/27/2009
  • Status: Active Grant
First Claim
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1. A data transmission method of a plurality of sending nodes in a sensor network, the method comprising:

  • generating data to be transmitted to a receiving node, respectively;

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

    receiving a Grant Notification Message (GNM) for selecting one of the plurality of sending nodes from the receiving node; and

    transmitting, by the plurality of sending nodes, a payload of the generated data according to the GNM, or switching into sleep mode without data transmission.

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