Method and apparatus for re-transmitting data in wireless local area network using visible light communication

The present invention relates to a data retransmission method for data transmission and reception failure in a wireless LAN system using a visible light communication, if the instantaneous data transmission failure has occurred, the mobile node (Mobile Node) is assigned to the retransmission information from the frame receiving fast feedback slots (Fast Feedback slot) process to search for and, if the fast feedback slots exist using a fast feedback slots minislot a process of selecting the mini-slot, and the selected mini slot wherein the mobile node from the included for retransmission fast feedback message (Fast Feedback message) including information includes a step of transmitting by an access point (access point). VLC, access points, mobile nodes, TDMA, Fast Feedback Slot