Apparatus and method for self coexistence window determining in wireless communication system

PURPOSE: An apparatus for determining an SCW in a wireless communication system and a method thereof are provided to enable neighboring base stations to share SCW information for transmitting its CBP packet for an announcement period. CONSTITUTION: In case transmission CBP(Coexistence Beacon Protocol) packets of neighboring base stations are received through an SCW(Self Coexistence Window) slot, a base station confirms occupancy SCW slots of the neighboring base stations through the CBP packets(309). The base station checks whether the transmission section of the CBP packets is an operation section(311). In case its SCW slot comes, the base station transmits the CBP packets through the SCW slot(315).