METHOD FOR CHANGING DUPLEX MODE IN WIRELESS LOCAL AREA NETWORK USING VISIBLE LIGHT COMUNICATION

摘要

A method for steadily changing a duplex mode in a wireless lan system using visible light communications is provided to support a mobile node using full-duplex method and half-duplex method. It determines whether the change of the duplex mode is necessary by comparing bit error probability with predetermined target bit error probability when transmitting between an access point and a mobile node(401-404). If the change of the duplex mode is needed, the specific time clot within a frame is allocated as a test slot(405-412). The test slot is changed in a new transmitting/receiving method if the bit error probability is lower than the target error probability(413-418).