Methods for transmitting and receiving acknowledgment information between terminal and base station in wireless communication system, and devices for supporting same

A method for receiving, by a base station, acknowledgement information from a user equipment (UE) in a wireless communication system, the method comprising:

• transmitting N pieces of downlink data to the UE, wherein one piece of downlink data comprises M transmission blocks (TBs) and one TB comprises L code block groups (CBGs);
• and
• receiving, from the UE, X-bit acknowledgement information, wherein the X-bit acknowledgement information is obtained by bundling acknowledgement information for a total of N*M*L CBGs included in the N pieces of downlink data based on a predetermined rule,
• wherein N is a natural number,
• wherein M is a natural number,
• wherein L is a natural number, and
• wherein X is a natural number more than or equal to 1 and less than N*M*L.

A user equipment (UE) for transmitting acknowledgment information to a base station in a wireless communication system, the UE comprising:

• a memory;
• and
• at least one processor coupled with the memory,
• wherein the at least one processor is configured to:
• receive N pieces of downlink data, wherein one piece of downlink data comprises M transmission blocks (TBs) and one TB comprises L code block groups (CBGs);
• bundle acknowledgement information for a total of N*M*L CBGs included in the N pieces of downlink data into X-bit acknowledgement information based on a predetermined rule;
• and
• transmit the bundled X-bit acknowledgement information to the base station
• wherein N is a natural number,
• wherein M is a natural number,
• wherein L is a natural number, and
• wherein X is a natural number more than or equal to 1 and less than N*M*L.

A base station for receiving acknowledgement information from a user equipment (UE) in a wireless communication system, the base station comprising:

• a memory;
• and
• at least one processor coupled with the memory,
• wherein the at least one processor is configured to:
• transmit N pieces of downlink data to the UE, wherein one piece of downlink data comprises M transmission blocks (TBs) and one TB comprises L code block groups (CBGs);
• and
• receive, from the UE, X-bit acknowledgement information, wherein the X-bit acknowledgement information is obtained by bundling acknowledgement information for a total of N*M*L CBGs included in the N pieces of downlink data based on a predetermined rule,
• wherein N is a natural number,
• wherein M is a natural number,
• wherein L is a natural number, and
• wherein X is a natural number more than or equal to 1 and less than N*M*L.