| CPC H04L 1/1887 (2013.01) [H04L 1/1893 (2013.01); H04W 72/23 (2023.01)] | 13 Claims |

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1. A method of transmitting HARQ (Hybrid Automatic Repeat and request)-ACK (acknowledgement) information in a wireless communication system, the method performed by a terminal and comprising:
receiving configuration information for configuring HARQ-ACK bundling for one or more serving cells among a plurality of serving cells configured for the terminal;
receiving downlink control information (DCI) for scheduling one or more physical downlink shared channels (PDSCH) on each of the plurality of serving cells;
receiving a plurality of PDSCHs on the plurality of serving cells; and
transmitting HARQ-ACK information for the plurality of PDSCHs,
wherein a HARQ-ACK codebook corresponding to the HARQ-ACK information includes a first HARQ-ACK sub-codebook and a second HARQ-ACK sub-codebook,
wherein the first HARQ-ACK sub-codebook is determined for one or more first serving cells for which number of groups of the HARQ-ACK bundling is set to 1, and
wherein the second HARQ-ACK sub-codebook is determined for one or more second serving cells for which number of groups of the HARQ-ACK bundling is set greater than 1.
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