# US 12,004,005 B2 · Method and device for transmitting acknowledgement information by user equipment in wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,005 B2 - Document ID: US12004005B2 - Status: Granted - Kind: B2 - Application number: 17/971,110 - Filed: 2022-10-21 - Published: 2023-03-02 - Granted: 2024-06-04 - Earliest claimed: 2017-03-23 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Seonwook Kim; Suckchel Yang; Joonkui Ahn - Web page: https://patentgrep.com/patent/US12004005B2 ## CPC - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04W 28/04: Error control - H04L 1/16: in which the return channel carries supervisory signals, e.g. repetition request signals - H04L 1/1614: {using bitmaps} - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 5/00: Arrangements affording multiple use of the transmission path - H04W 72/1273: of downlink data flows - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method for transmitting acknowledgement information by a user equipment (UE) in a wireless communication system, and an apparatus for supporting the same are disclosed. More particularly, a method for allowing a user equipment (UE) to transmit acknowledgement information for each code block group (CBG) with respect to data received within one or more slots is disclosed. ## Claims ### Claim 1 A method for transmitting hybrid automatic repeat request-acknowledgement (HARQ-ACK) information by a wireless communication device, the method comprising: performing a data reception for 2 transport blocks (TBs) each including at least one code block group (CBG); determining, based on a result of the data reception, first CBG-based HARQ-ACK information related to a first TB and second CBG-based HARQ-ACK information related to a second TB; and transmitting, in response to the data reception, a HARQ-ACK response including the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information, wherein the first CBG-based HARQ-ACK information for the first TB and the second CBG-based HARQ-ACK information for second TB are generated to have a same payload size. ### Claim 2 (depends on 1) The method according to claim 1, further comprising: receiving information regarding a maximum number of CBGs. ### Claim 3 (depends on 2) The method according to claim 2, wherein the information regarding the maximum number of CBGs indicates a maximum number of CBGs can be configured in a single TB. ### Claim 4 (depends on 1) The method according to claim 1, wherein the same payload size for the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information is determined based on a maximum number of CBGs. ### Claim 5 (depends on 1) The method according to claim 1, wherein each of the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information has a capacity suitable for a maximum number of CBGs. ### Claim 6 (depends on 1) The method according to claim 1, wherein the first CBG-based HARQ-ACK information for the first TB and the second CBG-based HARQ-ACK information have the same payload size, even in a case where different number of CBGs are allocated to the first TB and the second TB respectively. ### Claim 7 (depends on 1) The method according to claim 1, wherein the same payload size is determined independently from an actual number of CBGs of each TB. ### Claim 8 (depends on 7) The method according to claim 7, wherein, in a case where the actual number of CBGs ‘M’ is smaller than a maximum number of CBGs ‘N’, remaining ‘N-M’ bits in corresponding CBG-based HARQ-ACK information for a corresponding TB are set to negative acknowledgement (NACK) values. ### Claim 9 (depends on 1) The method according to claim 1, wherein a size of the HARQ-ACK response is determined based on a total number of data receptions associated with a same HARQ-ACK transmission time including the data reception performed for the first TB and the second TB. ### Claim 10 (depends on 1) The method according to claim 1, wherein the wireless communication device is configured to support carrier aggregation, and a size of the HARQ-ACK response is determined based on a number of carriers configured in the wireless communication device. ### Claim 11 (depends on 1) The method according to claim 1, wherein the wireless communication device is a user equipment (UE) configured to operate in a 3rd generation partnership project (3GPP)-based wireless communication system, wherein the data reception is performed through a physical downlink shared channel (PDSCH), and wherein the HARQ-ACK response is transmitted through a physical uplink control channel (PUC CH). ### Claim 12 (depends on 1) The method according to claim 1, further comprising: receiving, through a physical downlink control channel (PDCCH), downlink control information (DCI) for scheduling the 2 TBs. ### Claim 13 A device for processing a signal for wireless communication, the device comprising: a memory for storing one or more instructions; and at least one processor for executing the one or more instructions, wherein the at least one processor is configured to perform a data reception for 2 transport blocks (TBs) each including at least one code block group (CBG), to determine, based on a result of the data reception, first CBG-based hybrid automatic repeat request-acknowledgement (HARQ-ACK) information related to a first TB and second CBG-based HARQ-ACK information related to a second TB and to generate, in response to the data reception, a HARQ-ACK response including the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information, upon the one or more instructions are executed, wherein the first CBG-based HARQ-ACK information for the first TB and the second CBG-based HARQ-ACK information for second TB are generated to have a same payload size, and wherein the same payload size for the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information is determined based on information regarding a maximum number of CBGs. ### Claim 14 (depends on 13) The device according to claim 13, wherein the device is an application specific integrated circuit (ASIC) or a digital signal processing device. ### Claim 15 A wireless communication device comprising: a transmitter; a receiver; and at least one processor controls the transmitter and the receiver, wherein the at least one processor is configured to perform, via the receiver, a data reception for 2 transport blocks (TBs) each including at least one code block group (CBG), to determine, based on a result of the data reception, first CBG-based hybrid automatic repeat request-acknowledgement (HARQ-ACK) information related to a first TB and second CBG-based HARQ-ACK information related to a second TB and to transmit, in response to the data reception, a HARQ-ACK response including the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information, via the transmitter, wherein the first CBG-based HARQ-ACK information for the first TB and the second CBG-based HARQ-ACK information for second TB are generated to have a same payload size, and wherein the same payload size for the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information is determined based on information regarding a maximum number of CBGs. ### Claim 16 A method for receiving hybrid automatic repeat request-acknowledgement (HARQ-ACK) information by a wireless communication device, the method comprising: performing a data transmission for 2 transport blocks (TBs) each including at least one code block group (CBG); and receiving, in response to the data transmission, a HARQ-ACK response including first CBG-based HARQ-ACK information related to a first TB and second CBG-based HARQ-ACK information related to a second TB, wherein the first CBG-based HARQ-ACK information for the first TB and the second CBG-based HARQ-ACK information for second TB have a same payload size, and wherein the same payload size for the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information is determined based on information regarding a maximum number of CBGs. ### Claim 17 (depends on 16) The method according to claim 16, wherein the wireless communication device is a base station configured to operate in a 3rd generation partnership project (3GPP)-based wireless communication system, wherein the data transmission is performed through a physical downlink shared channel (PDCCH), and wherein the HARQ-ACK response is received through a physical uplink control channel (PUCCH). ### Claim 18 A wireless communication device comprising: a transmitter; a receiver; and at least one processor controls the transmitter and the receiver, wherein the at least one processor is configured to perform, via the transmitter, a data transmission for 2 transport blocks (TBs) each including at least one code block group (CBG); and to receive, in response to the data transmission, a hybrid automatic repeat request-acknowledgement (HARQ-ACK) response including first CBG-based HARQ-ACK information related to a first TB and second CBG-based HARQ-ACK information related to a second TB, via the receiver, wherein the first CBG-based HARQ-ACK information for the first TB and the second CBG-based HARQ-ACK information for second TB have a same payload size, and wherein the same payload size for the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information is determined based on information regarding a maximum number of CBGs. ### Claim 19 A non-transitory processor readable medium recorded thereon one or more instructions that, when executed by at least one processor, perform operations comprising: performing a data reception for 2 transport blocks (TBs) each including at least one code block group (CBG); determining, based on a result of the data reception, first CBG-based HARQ-ACK information related to a first TB and second CBG-based HARQ-ACK information related to a second TB; and transmitting, in response to the data reception, a HARQ-ACK response including the first CBG-based HARQ-ACK information and the second CBG-based HARQ-ACK information, wherein the first CBG-based HARQ-ACK information for the first TB and the second CBG-based HARQ-ACK information for second TB are generated to have a same payload size.