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Method and Apparatus for Receiving Available Channel Information in a Wireless Lan System

  • US 20130201928A1
  • Filed: 03/31/2011
  • Published: 08/08/2013
  • Est. Priority Date: 03/31/2010
  • Status: Active Grant
First Claim
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1. A method for receiving a whitespace map by a first station (STA) that operates as an unlicensed device that is allowed to operate in an available channel that is not being used by a licensed device in a whitespace band in a wireless LAN system, the method comprising:

  • receiving a frame including a whitespace map including a black list and a first field indicating that the whitespace map includes the black list from a second station; and

    operating in at least one channel, other than channels included in the black list, from among channels included in the whitespace map,wherein the black list is a list of channels which cannot be used by an unlicensed device.

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