Method for transmitting and receiving data in wireless communication system supporting full duplex communication, and apparatus therefor

A user equipment (UE) comprising:

• at least one transceiver;
• at least one processor;
• and
• at least one memory operably connected to the at least one processor and configured to store instructions that, when executed, cause the at least one processor to perform operations comprising:
• receiving, from a base station (BS), a UECapabilityEnquiry message related to a request for capability information of the UE;
• transmitting, to the BS, a UECapabilityInformation message related to the capability information of the UE based on the UECapabilityEnquiry message;
• establishing a radio resource configuration (RRC) connection with the BS;
• and
• transmitting, to the BS, uplink control information (UCI),
• wherein UECapabilityInformation message includes information about a full-duplex (FD) mode support level of the UE, which is classified into three or more levels, and
• wherein the UCI includes information related to a timing difference between an uplink (UL) signal and a downlink (DL) signal indicating whether the timing difference exceeds a length of a cyclic prefix (CP) period.

A base station (BS) comprising:

• at least one transceiver;
• at least one processor;
• and
• at least one memory operably connected to the at least one processor and configured to store instructions that, when executed, cause the at least one processor to perform operations comprising:
• transmitting, to a user equipment (UE), a UECapabilityEnquiry message related to a request for capability information of the UE;
• receiving, from the UE, a UECapabilityInformation message related to the capability information of the UE based on the UECapabilityEnquiry message;
• establishing a radio resource configuration (RRC) connection with the UE;
• and
• receiving, from the UE, uplink control information (UCI),
• wherein the UECapabilityInformation message includes information about a full-duplex (FD) mode support level of the UE, which is classified into three or more levels, and
• wherein the UCI includes information related to a timing difference between an uplink (UL) signal and a downlink (DL) signal indicating whether the timing difference exceeds a length of a cyclic prefix (CP) period.