A wireless communication terminal, the terminal comprising: a processor; and a communication unit, wherein the processor is configured to: receive a wireless frame through the communication unit, when the received frame is a very high throughput, VHT, PHY protocol data unit, PPDU, extract information of a partial association ID, AID, and information of a group ID from a preamble of the VHT PPDU, when the group ID of the VHT PPDU is equal to a predetermined value, check whether at least some information of the partial AID of the VHT PPDU matches a partial basic service set, BSS, color value of a BSS color announced to the terminal, and determine whether the received frame is an intra-BSS frame or an inter-BSS frame according to whether the at least some information of the partial AID matches a partial BSS color value of the BSS color announced to the terminal, wherein the partial AID of the VHT PPDU is determined by using an AID assigned to an intended recipient of the VHT PPDU and a K-bit value based on a BSSID of a BSS with which the recipient is associated, characterized in that when the BSS with which the recipient is associated applies an AID assignment rule in which partial BSS color bits are used, a value of a predetermined N-bit of the AID assigned to the recipient is determined by subtracting an N-bit value based on the BSSID from a partial BSS color value of the BSS with which the recipient is associated, wherein the N is equal to K. a processor; and a communication unit, wherein the processor is configured to: receive a wireless frame through the communication unit, when the received frame is a very high throughput, VHT, PHY protocol data unit, PPDU, extract information of a partial association ID, AID, and information of a group ID from a preamble of the VHT PPDU, when the group ID of the VHT PPDU is equal to a predetermined value, check whether at least some information of the partial AID of the VHT PPDU matches a partial basic service set, BSS, color value of a BSS color announced to the terminal, and determine whether the received frame is an intra-BSS frame or an inter-BSS frame according to whether the at least some information of the partial AID matches a partial BSS color value of the BSS color announced to the terminal, wherein the partial AID of the VHT PPDU is determined by using an AID assigned to an intended recipient of the VHT PPDU and a K-bit value based on a BSSID of a BSS with which the recipient is associated, characterized in that when the BSS with which the recipient is associated applies an AID assignment rule in which partial BSS color bits are used, a value of a predetermined N-bit of the AID assigned to the recipient is determined by subtracting an N-bit value based on the BSSID from a partial BSS color value of the BSS with which the recipient is associated, wherein the N is equal to K. receive a wireless frame through the communication unit, when the received frame is a very high throughput, VHT, PHY protocol data unit, PPDU, extract information of a partial association ID, AID, and information of a group ID from a preamble of the VHT PPDU, when the group ID of the VHT PPDU is equal to a predetermined value, check whether at least some information of the partial AID of the VHT PPDU matches a partial basic service set, BSS, color value of a BSS color announced to the terminal, and determine whether the received frame is an intra-BSS frame or an inter-BSS frame according to whether the at least some information of the partial AID matches a partial BSS color value of the BSS color announced to the terminal, wherein the partial AID of the VHT PPDU is determined by using an AID assigned to an intended recipient of the VHT PPDU and a K-bit value based on a BSSID of a BSS with which the recipient is associated, characterized in that when the BSS with which the recipient is associated applies an AID assignment rule in which partial BSS color bits are used, a value of a predetermined N-bit of the AID assigned to the recipient is determined by subtracting an N-bit value based on the BSSID from a partial BSS color value of the BSS with which the recipient is associated, wherein the N is equal to K.