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METHODS AND APPARATUS FOR IMPROVED SCANNING OF A RADIO FREQUENCY (RF) BAND FOR WLANs IN AN UNKNOWN REGULATORY DOMAIN

  • US 20080096501A1
  • Filed: 10/23/2006
  • Published: 04/24/2008
  • Est. Priority Date: 10/23/2006
  • Status: Active Grant
First Claim
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1. A method for use in scanning a radio frequency (RF) band while regulatory information for the RF band is unknown, the method comprising the acts of:

  • scanning the RF band using a passive scan operation on RF channels having a passive scan status;

    during the passive scan operation, attempting to decode an information frame on the RF channel;

    in response to successfully decoding an information frame on the RF channel during the passive scan operation;

    changing the passive scan status of the RF channel to an active scan status; and

    performing an active scan operation on the RF channel having the active scan status.

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