METHOD AND APPARATUS FOR MANAGING ALLOCATION AND USAGE OF RADIO RESOURCE METHOD AND APPARATUS FOR TRANSMITTING DATA THROUGH UNLICENSED BAND CHANNEL AND METHOD AND APPARATUS FOR MANAGING ACCESS OF RADIO RESOURCE

摘要

A method is provided for a transmitter to transmit first data having periodicity through a channel of an unlicensed band. The transmitter adjusts at least one of a transmission time of the first data and a clear channel assessment (CCA) time of the channel in order to occupy the channel. The transmitter determines whether the channel can be occupied by performing CCA on the channel at the CCA time point. In addition, when the transmitter can occupy the channel, the transmitter transmits the first data through the channel at the time of transmission of the first data.