Patent ID: 7158759

Claim:
A method for dynamic frequency selection in a wireless communication network, the method comprising: determining, by an access point, interference on a current wireless channel of a plurality of wireless channels by: transmitting a holding packet on the current wireless channel, wherein the holding packet addresses an invalid wireless station; and measuring the interference on the current wireless channel during a transmit period allocated to the invalid wireless station; when the interference on the current wireless channel exceeds an interference threshold, providing, by the access point, a request packet that requests channel spectrum information to at least one affiliated wireless station via the current wireless channel; generating, by the at least one affiliated wireless station, the channel spectrum information of the plurality of wireless channels; providing, by the at least one affiliated wireless station, the channel spectrum information to the access point via the current wireless channel; interpreting, by the access point, the channel spectrum information to determine a desired wireless channel of the plurality of wireless channels; and providing, by the access point, a selection packet to the at least one affiliated wireless station via the current wireless channel, wherein the selection packet indicates that the access point will change to the desired wireless channel at a future time.