Method and device for performing communication using plurality of subframes in tdd-based wireless communication system

A base station (BS) performing communication using a plurality of subframes in a time division duplex (TDD)-based wireless communication system, the BS comprising:

• a radio frequency (RF) unit to transmit or receive a radio signal;
• and
• a processor connected to the RF unit,
• wherein the processor:
• sets a group by grouping a first configuration, in which at least one downlink symbol and at least one uplink symbol are arranged in each subframe, and a second configuration, in which at least one downlink symbol and at least one uplink symbol are arranged in each subframe, the first configuration and the second configuration being grouped such that a downlink symbol does not overlap with an uplink symbol in a particular symbol period;
• transmits information indicating the group used for at least one subframe among the plurality of subframes to a terminal;
• and
• transmits information indicating a configuration for the at least one subframe to be used for the terminal among the first configuration and the second configuration in the group to the terminal.