Patent ID: 11902210
Assignee: KIA MOTORS CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. An operation method of a base station in a communication system, the operation method comprising:
transmitting, to a first terminal, configuration information including a first information element indicating a type of a hybrid automatic repeat request-acknowledgement (HARQ-ACK) codebook;
transmitting, to the first terminal, at least one downlink (DL) data through a downlink channel; and
receiving, from the first terminal, the HARQ-ACK codebook including at least one DL HARQ information bit for the at least one DL data and at least one sidelink (SL) HARQ information bit for sidelink communication between the first terminal and a second terminal through an uplink channel,
wherein the HARQ-ACK codebook received from the first terminal has the type indicated by the first information element, and the type is classified into a semi-static type and a dynamic type.