A method of transmitting and receiving a measurement report frame in a wireless local area network (WLAN) is disclosed. A method of transmitting a measurement report frame form a first station to a second station in a regulatory domain where a licensed device and an unlicensed device are permitted to operate together in a wireless local area network (WLAN) comprising: receiving, at the first station, a measurement request frame from the second station; and transmitting, to the second station, the measurement report frame including a Primary Service Signal Map field indicating which TV channels are occupied by a primary service signal, wherein the primary service signal is a signal that requires protection by regulation.