Device and method for transmitting signal in wireless communication system

A terminal configured to operate in a wireless communication system, the terminal comprising:

• a transceiver;
• and
• a processor coupled to the transceiver, wherein the processor is configured to:
• receive configuration information from a base station;
• configure a resource based on the configuration information;
• transmit a differential privacy level to the base station;
• receive information related to security from the base station;
• and
• transmit data to the base station,
• wherein the configuration information is related to federated learning,
• wherein the data is transmitted based on the configured resource and a pseudo random sequence that is generated based on the information related to security,
• wherein the information related to security includes a differential privacy-related information,
• wherein the differential privacy-related information includes information on the number of pseudo random sequences generated by the terminal, and
• wherein the information on the number of the pseudo random sequences is determined based on a bandwidth of a band matrix.

A base station configured to operate in a wireless communication system, the base station comprising:

• a transceiver;
• and
• a processor coupled to the transceiver, wherein the processor is configured to:
• transmit configuration information to a terminal,
• receive a differential privacy level from the terminal,
• determine a band matrix based on the differential privacy level,
• transmit, to the terminal, the differential privacy-related information determined based on the band matrix, and
• receive data from the terminal,
• wherein the configuration information is related to federated learning, and
• wherein the data is transmitted based on a resource and a pseudo random sequence.