A non-access point station, non-AP STA, receiving a frame from an access point, AP, in a wireless communication system, the non-AP STA comprising: a transceiver configured for receiving the frame; a processor operably connected to the transceiver; and a memory operably connected to the processor and storing instructions that, when executed, causing the processor to process the frame based on that: the frame includes a first signaling field, HE-SIG A, and a second signaling field, HE-SIG B, based on the frame being received in a bandwidth which equals to or greater than 80 MHz bandwidth, first signaling information and second signaling information of the HE-SIG B are respectively received through a first and a second 20 MHz channels within a first 40 MHz bandwidth, the first signaling information has resource allocation information for data on the first 20 MHz channel within the first 40 MHz bandwidth, and the second signaling information has resource allocation information for data on the second 20 MHz channel within the first 40 MHz bandwidth, and the first signaling information and the second signaling information, received through the first 40 MHz bandwidth, are duplicated in a second 40 MHz bandwidth. a transceiver configured for receiving the frame; a processor operably connected to the transceiver; and a memory operably connected to the processor and storing instructions that, when executed, causing the processor to process the frame based on that: the frame includes a first signaling field, HE-SIG A, and a second signaling field, HE-SIG B, based on the frame being received in a bandwidth which equals to or greater than 80 MHz bandwidth, first signaling information and second signaling information of the HE-SIG B are respectively received through a first and a second 20 MHz channels within a first 40 MHz bandwidth, the first signaling information has resource allocation information for data on the first 20 MHz channel within the first 40 MHz bandwidth, and the second signaling information has resource allocation information for data on the second 20 MHz channel within the first 40 MHz bandwidth, and the first signaling information and the second signaling information, received through the first 40 MHz bandwidth, are duplicated in a second 40 MHz bandwidth. the frame includes a first signaling field, HE-SIG A, and a second signaling field, HE-SIG B, based on the frame being received in a bandwidth which equals to or greater than 80 MHz bandwidth, first signaling information and second signaling information of the HE-SIG B are respectively received through a first and a second 20 MHz channels within a first 40 MHz bandwidth, the first signaling information has resource allocation information for data on the first 20 MHz channel within the first 40 MHz bandwidth, and the second signaling information has resource allocation information for data on the second 20 MHz channel within the first 40 MHz bandwidth, and the first signaling information and the second signaling information, received through the first 40 MHz bandwidth, are duplicated in a second 40 MHz bandwidth. first signaling information and second signaling information of the HE-SIG B are respectively received through a first and a second 20 MHz channels within a first 40 MHz bandwidth, the first signaling information has resource allocation information for data on the first 20 MHz channel within the first 40 MHz bandwidth, and the second signaling information has resource allocation information for data on the second 20 MHz channel within the first 40 MHz bandwidth, and the first signaling information and the second signaling information, received through the first 40 MHz bandwidth, are duplicated in a second 40 MHz bandwidth.