Patent ID: 11902210
Assignee: HYUNDAI MOTOR COMPANY
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. A first terminal in a communication system, the first terminal comprising:
a processor; and
a memory storing at least one instruction executed by the processor,
wherein when executed by the processor, the at least one instruction causes the first terminal to:
receive, from a base station, configuration information including a first information element indicating a type of a hybrid automatic repeat request-acknowledgement (HARQ-ACK) codebook;
generate the HARQ-ACK codebook including at least one downlink (DL) HARQ information bit for downlink communication between the base station and the first terminal and at least one sidelink (SL) HARQ information bit for sidelink communication between the first terminal and a second terminal; and
transmit, to the base station, the HARQ-ACK codebook using an uplink channel,
wherein the HARQ-ACK codebook transmitted to the base station has the type indicated by the first information element, and the type is classified into a semi-static type and a dynamic type.