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Data communication system

  • US 20080031138A1
  • Filed: 08/01/2007
  • Published: 02/07/2008
  • Est. Priority Date: 08/02/2006
  • Status: Active Grant
First Claim
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1. A data transmitting method comprising:

  • a first step of validating an Ack request provided within a wireless data frame to be transmitted; and

    a second step of extending or shortening a cycle for transmitting the Ack request depending on whether or not an Ack in response to the Ack request has been received within a fixed time during the cycle.

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