Method and apparatus for reconfiguration functional split option of digital unit and radio unit in wireless communication systems

A method performed by a digital unit (DU) of a base station in a wireless communication system, comprising:

• preparing for a functional split reconfiguration;
• receiving a functional split reconfiguration message from an artificial intelligence management function (AIMF);
• transmitting the functional split reconfiguration message to a radio unit (RU) of the base station;
• and
• reconfiguring a functional split option so that an artificial intelligence (AI) function of the RU is moved to the DU based on split option reconfiguration information included in the functional split reconfiguration message.

A radio unit (RU) of abase station in a wireless communication system, comprising:

• a transceiver configured to transmit and receive a signal;
• and
• a controller configured to:
• prepare for a functional split reconfiguration,
• receive a functional split reconfiguration message from a digital unit (DU) of the base station, and
• reconfigure a functional split option so that an artificial intelligence (AI) function of the RU is moved to the DU based on split option reconfiguration information included in the functional split reconfiguration message.

A digital unit (DU) of a base station in a wireless communication system, comprising:

• a transceiver configured to transmit and receive a signal;
• and
• a controller configured to:
• prepare for a functional split reconfiguration,
• receive, via the transceiver, a functional split reconfiguration message from an artificial intelligence management function (AIMF),
• transmit, via the transceiver, the functional split reconfiguration message to a radio unit (RU) of the base station, and
• reconfigure a functional split option so that an artificial intelligence (AI) function of the RU is moved to the DU based on split option reconfiguration information included in the functional split reconfiguration message.