Method and device for performing communication in wireless communication system

A first device, comprising:

• at least one transceiver;
• at least one processor;
• and
• at least one memory connected to the at least one processor and storing instructions that, based on being executed by the at least one processor, cause the first device to perform operations comprising:
• transmitting, to a second device, first control information for scheduling of a physical shared channel and of second control information on a physical control channel;
• and
• transmitting, to the second device, data and the second control information and sharing information for channel occupancy including an additional identity (ID) related to channel occupancy time (COT) sharing related to a third device on the physical shared channel;
• wherein, based on that the data and the second control information including the sharing information for channel occupancy and the additional ID for the COT sharing related to the third device has been transmitted, a timer related to an active time of the third device is initiated.

A processing device, comprising:

• at least one processor;
• and
• at least one memory connected to the at least one processor and storing instructions that, based on being executed by the at least one processor, cause a first device to perform operations comprising:
• transmitting, to a second device, first control information for scheduling of a physical shared channel and of second control information on a physical control channel;
• and
• transmitting, to the second device, data and the second control information and sharing information for channel occupancy including an additional identity (ID) related to channel occupancy time (COT) sharing related to a third device on the physical shared channel;
• wherein, based on that the data and the second control information including the sharing information for channel occupancy and the additional ID for the COT sharing related to the third device has been transmitted, a timer related to an active time of the third device is initiated.