A method for wireless communication performed in a wireless network system including a source device, a plurality of relay devices and a destination device, the method comprising the following steps performed by a source device: discovering a list of relay devices in a basic service set; checking a status of a channel between the source device and the relay devices and a status of a channel between a destination device and the relay devices, and selecting a relay device to operate as a relay between the source device and the destination device; and transmitting a link setup request message to the selected relay device, and setting a relay link through the selected relay device, the method further comprising: when an operation mode of the selected relay device is determined as cooperating mode, a time point adjustment procedure is performed as below steps, (i) the destination device transmits a TPA request frame including a timing offset set to zero, to the selected relay device and the source device, and (ii) the selected relay device transmits a TPA response frame to the destination device at a first predetermined time in response to a reception of the TPA request frame, and the source device transmits the TPA response frame to the destination device at a second predetermined time in response to a reception of the TPA request frame, wherein the first predetermined time and the second predetermined time is different, (iii) the destination device transmits the TPA request frame including the timing offset set to dT DS - DT DR to the selected relay device, and receives the TPA response frame with respect to the TPA request frame, wherein the dT DS is a propagation delay from the destination device and the source device, and the dT DR is a propagation delay from the destination device and the selected relay device, (iv) the destination device estimates a time deviation between a delay time and an actual arrival time of the TPA response frame, (v) the destination device determines that TPA procedure is successful, when the time deviation is 2 x DT DR + (dT DS - dT DR). discovering a list of relay devices in a basic service set; checking a status of a channel between the source device and the relay devices and a status of a channel between a destination device and the relay devices, and selecting a relay device to operate as a relay between the source device and the destination device; and transmitting a link setup request message to the selected relay device, and setting a relay link through the selected relay device, the method further comprising: when an operation mode of the selected relay device is determined as cooperating mode, a time point adjustment procedure is performed as below steps, (i) the destination device transmits a TPA request frame including a timing offset set to zero, to the selected relay device and the source device, and (ii) the selected relay device transmits a TPA response frame to the destination device at a first predetermined time in response to a reception of the TPA request frame, and the source device transmits the TPA response frame to the destination device at a second predetermined time in response to a reception of the TPA request frame, wherein the first predetermined time and the second predetermined time is different, (iii) the destination device transmits the TPA request frame including the timing offset set to dT DS - DT DR to the selected relay device, and receives the TPA response frame with respect to the TPA request frame, wherein the dT DS is a propagation delay from the destination device and the source device, and the dT DR is a propagation delay from the destination device and the selected relay device, (iv) the destination device estimates a time deviation between a delay time and an actual arrival time of the TPA response frame, (v) the destination device determines that TPA procedure is successful, when the time deviation is 2 x DT DR + (dT DS - dT DR). (i) the destination device transmits a TPA request frame including a timing offset set to zero, to the selected relay device and the source device, and (ii) the selected relay device transmits a TPA response frame to the destination device at a first predetermined time in response to a reception of the TPA request frame, and the source device transmits the TPA response frame to the destination device at a second predetermined time in response to a reception of the TPA request frame, wherein the first predetermined time and the second predetermined time is different, (iii) the destination device transmits the TPA request frame including the timing offset set to dT DS - DT DR to the selected relay device, and receives the TPA response frame with respect to the TPA request frame, wherein the dT DS is a propagation delay from the destination device and the source device, and the dT DR is a propagation delay from the destination device and the selected relay device, (iv) the destination device estimates a time deviation between a delay time and an actual arrival time of the TPA response frame, (v) the destination device determines that TPA procedure is successful, when the time deviation is 2 x DT DR + (dT DS - dT DR).