Method for transmission and reception in wireless communication system, and apparatus therefor

A terminal performing transmission and reception in a wireless communication system, comprising:

• a transmitter and a receiver;
• and
• a processor configured to control the transmitter and the receiver,
• wherein the processor is configured to:
• receive group information of a serving cell and a neighboring cell and uplink/downlink configuration information for each group;
• and
• transmit or receive signal to/from the serving cell using the received group information of the serving cell and the neighboring cell and the uplink/downlink configuration information for each group,
• wherein the group information includes information regarding a cell group which is clustered according to a beam to be used by each cell or a beam group to which the beam belongs.