A method and a device for a coordinated beamforming for overlapping BSS (OBSS) in WLAN are shown. In an embodiment the method includes transmitting, by a first access point (AP) of the plurality of APs, to other APs of the plurality of APs a first coordinated beamforming (CB) announcement message, wherein the first CB announcement message includes an identifier (ID) of the first AP, an ID of each station (STA) associated with the first AP, and a beamforming capability information of the first AP and receiving, by the first AP, a second CB announcement message from a second AP of the plurality of APs.