Patent ID: 11963180
Assignee: LG ELECTRONICS INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. A communication device configured to transmit and receive a in a wireless communication system, the communication device comprising:
at least one transceiver;
at least one processor; and
at least one memory operatively coupled to the at least one processor and storing instructions that, based on being executed, cause the at least one processor to perform operations comprising:
receiving downlink (DL) data based on first DL grant downlink control information (DCI);
receiving second DL grant DCI; and
transmitting acknowledgement/negative acknowledgement (ACK/NACK) information for the DL data, based on the second DL grant DCI not scheduling a physical downlink shared channel (PDSCH),

wherein a field for resource assignment in the second DL grant DCI includes information regarding transmission of the ACK/NACK information, and
wherein the field does not include information regarding a resource assignment for the PDSCH.