Patent ID: 8923263

Claim:
A method of scanning existing networks at a station to operate as an unlicensed device in a regulatory domain where a licensed device and the unlicensed device are permitted to operate, the method comprising: receiving a white space map (WSM) comprising information for available channels with a first granularity to be used for the unlicensed device to operate a wireless local area network (WLAN) operation and maximum transmission powers allowed for each of the available channels, wherein the WLAN operation is performed on a WLAN channel with a second granularity; and scanning the existing networks on the WLAN channel corresponding to the available channels identified within the received WSM, wherein scanning the existing networks does not performed on the WLAN channel including at least one channel not identified as available within the received WSM, and wherein the WLAN channel includes more than one channel with the first granularity.