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Interference suppression methods for 802.11

  • US 20020181426A1
  • Filed: 03/04/2002
  • Published: 12/05/2002
  • Est. Priority Date: 03/02/2001
  • Status: Abandoned Application
First Claim
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1. A method for spoofing stations while transmitting data through a medium, the method comprising:

  • setting a duration value to a value other than a time period for a predetermined subsequent message transmission; and

    sending a signal containing the duration value during a contention free period, wherein at least one of the stations is an obeying station that updates a network allocation vector in accordance with the duration value, that records a reason why the network allocation vector is updated, and that determines when to ignore a duration value of a subsequent signal sent during the contention free period and when to obey the duration value of the subsequent signal based upon the reason why the network allocation vector is updated.

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