AN METHOD AND A APPARATUS FOR OPERATING OF A BASE STATION AND A TERMINAL IN THE WIRELESS COMMUNICATION SYSTEM USING UNLICENSED FREQUENCY BAND

摘要

According to an embodiment of the present invention, the present invention relates to an operation method of a base station in a wireless communications system using an unlicensed band. The operation method comprises the following steps: determining any one among a single channel and multi channels for one or more unlicensed bands; and transmitting a channel preservation signal to a starting point of a sub frame for transmitting data when data transmission using the determined single channel or multi channels is required.