# US 12,120,750 B2 · Method and device for transmitting/receiving wireless signal 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 12,120,750 B2 - Document ID: US12120750B2 - Status: Granted - Kind: B2 - Application number: 17/954,819 - Filed: 2022-09-28 - Published: 2023-01-26 - Granted: 2024-10-15 - Earliest claimed: 2016-02-02 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Suckchel Yang; Joonkui Ahn; Hanjun Park; Seonwook Kim - Web page: https://patentgrep.com/patent/US12120750B2 ## CPC - H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX] - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04L 1/1614: {using bitmaps} - H04L 1/18: Automatic repetition systems, e.g. Van Duuren systems - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 1/1822: involving configuration of automatic repeat request [ARQ] with parallel processes - H04L 1/1854: {Scheduling and prioritising arrangements} - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04L 1/1864: {ARQ related signaling (H04L1/1607 takes precedence)} - H04L 1/1887: {Scheduling and prioritising arrangements} - H04L 1/1896: {ARQ related signaling} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04L 25/0224: {using sounding signals} - H04W 72/04: Wireless resource allocation - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/12: Wireless traffic scheduling - H04W 72/20: Control channels or signalling for resource management - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 76/27: Transitions between radio resource control [RRC] states - H04L 1/1664: {the supervisory signal being transmitted together with payload signals; piggybacking} - H04W 74/0833: Random access procedures, e.g. with 4-step access - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The present invention relates to a wireless communication system, and specifically, to a method and a device for the method which comprises the steps of: receiving a PDCCH including uplink scheduling information; and transmitting, at a UL SF, a PUSCH indicated by the uplink scheduling information, wherein, if the PDCCH requests a transmission of an ACK, the PUSCH includes ACK information about a SF set corresponding to the UL SF, wherein the SF set includes a plurality of SFs. ## Claims ### Claim 1 A method performed by a user equipment (UE) configured to operate in a wireless communication system, the method comprising: receiving a radio resource control (RRC) signal comprising first information related to a plurality of hybrid automatic repeat and request (HARQ) processes; receiving downlink control information (DCI) scheduling a physical downlink shared channel (PDSCH), wherein the DCI comprises a first indication related to at least one HARQ process among the plurality of HARQ processes; obtaining an acknowledgement/negative acknowledgement (A/N) payload comprising a plurality of A/N bits corresponding to all of the at least one HARQ process indicated by the first information, wherein an A/N bit among the A/N bits for a HARQ process among the at least one HARQ process is determined by: based on an A/N result for the HARQ process having not been reported for the PDSCH, the A/N bit is determined as the A/N result for the HARQ process, and based on the A/N result for the HARQ process having been reported for the PDSCH, the A/N bit is determined as NACK; obtaining HARQ-acknowledgement (HARQ-ACK) information based on the A/N payload; and reporting the HARQ-ACK information. ### Claim 2 (depends on 1) The method of claim 1, wherein the RRC signal further comprises second information related to a plurality of serving cells, wherein the DCI further comprises a second indication related to at least one serving cell among the plurality of serving cells, and wherein the HARQ-ACK information is obtained based on (i) the at least one HARQ process indicated by the first indication and (ii) the at least one serving cell identified by the second indication. ### Claim 3 (depends on 1) The method of claim 1, wherein, based on the A/N result for the HARQ process having been reported for the PDSCH, the A/N bit is determined as NACK, regardless of the A/N result for the HARQ process. ### Claim 4 (depends on 1) The method of claim 1, wherein the HARQ-ACK is reported in one of a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH). ### Claim 5 A user equipment (UE) configured to operate in a wireless communication system, the UE comprising: a transceiver; at least one processor coupled with the transceiver; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising: receiving a radio resource control (RRC) signal comprising first information related to a plurality of hybrid automatic repeat and request (HARQ) processes; receiving downlink control information (DCI) scheduling a physical downlink shared channel (PDSCH), wherein the DCI comprises a first indication related to at least one HARQ process among the plurality of HARQ processes; obtain an acknowledgement/negative acknowledgement (A/N) payload comprising a plurality of A/N bits corresponding to all of the at least one HARQ process indicated by the first information, wherein an A/N bit among the A/N bits for a HARQ process among the at least one HARQ process is determined by: based on an A/N result for the HARQ process having not been reported for the PDSCH, the A/N bit is determined as the A/N result for the HARQ process, and based on the A/N result for the HARQ process having been reported for the PDSCH, the A/N bit is determined as NACK; obtaining HARQ-acknowledgement (HARQ-ACK) information based on the A/N payload; and reporting the HARQ-ACK information. ### Claim 6 (depends on 5) The UE of claim 5, wherein the RRC signal further comprises second information related to a plurality of serving cells, wherein the DCI further comprises a second indication related to at least one serving cell among the plurality of serving cells, and wherein the HARQ-ACK information is obtained based on (i) the at least one HARQ process indicated by the first indication and (ii) the at least one serving cell identified by the second indication. ### Claim 7 (depends on 5) The UE of claim 5, wherein, based on the A/N result for the HARQ process having been reported for the PDSCH, the A/N bit is determined as NACK, regardless of the A/N result for the HARQ process. ### Claim 8 (depends on 5) The UE of claim 5, wherein the HARQ-ACK is reported in one of a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH). ### Claim 9 A method performed by a base station configured to operate in a wireless communication system, the method comprising: transmitting a radio resource control (RRC) signal comprising first information related to a plurality of hybrid automatic repeat and request (HARQ) processes; transmitting downlink control information (DCI) scheduling a physical downlink shared channel (PDSCH), wherein the DCI comprises a first indication related to at least one HARQ process among the plurality of HARQ processes; and receiving HARQ-acknowledgement (HARQ-ACK) information, wherein the HARQ-ACK information is based on an acknowledgement/negative acknowledgement (A/N) payload, wherein the A/N payload comprises a plurality of A/N bits corresponding to all of the at least one HARQ process indicated by the first information, wherein an A/N bit among the A/N bits for a HARQ process among the at least one HARQ process is determined by: based on an A/N result for the HARQ process having not been reported for the PDSCH, the A/N bit is determined as the A/N result for the HARQ process, and based on the A/N result for the HARQ process having been reported for the PDSCH, the A/N bit is determined as NACK. ### Claim 10 A base station configured to operate in a wireless communication system, the base station comprising: a transceiver; at least one processor coupled with the transceiver; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising: transmitting a radio resource control (RRC) signal comprising first information related to a plurality of hybrid automatic repeat and request (HARQ) processes; transmitting downlink control information (DCI) scheduling a physical downlink shared channel (PDSCH), wherein the DCI comprises a first indication related to at least one HARQ process among the plurality of HARQ processes; and receive HARQ-acknowledgement (HARQ-ACK) information, wherein the HARQ-ACK information is based on an acknowledgement/negative acknowledgement (A/N) payload, wherein the A/N payload comprises a plurality of A/N bits corresponding to all of the at least one HARQ process indicated by the first information, wherein an A/N bit among the A/N bits for a HARQ process among the at least one HARQ process is determined by: based on an A/N result for the HARQ process having not been reported for the PDSCH, the A/N bit is determined as the A/N result for the HARQ process, and based on the A/N result for the HARQ process having been reported for the PDSCH, the A/N bit is determined as NACK. ### Claim 11 A method performed by a user equipment (UE) in a wireless communication system, the method comprising: receiving downlink control information (DCI) for scheduling a physical downlink channel (PDSCH), wherein the DCI comprises delay information related to acknowledgement/negative acknowledgement (A/N) timing; based on receiving the DCI, receiving data via the PDSCH in a time unit n; and based on receiving the data in the time unit n, transmitting an A/N payload in a time unit n+k, where k is one of a plurality of A/N timing values and k is based on the received delay information, wherein the A/N payload comprises a plurality of A/N responses, with the plurality of A/N responses related to a plurality of data reception occasions, and wherein the plurality of data reception occasions, related to the plurality of A/N responses in the A/N payload, are determined based on the plurality of A/N timing values. ### Claim 12 (depends on 11) The method of claim 11, wherein each of the plurality of data reception occasions is related to a respective time unit ni, and wherein ni is an ith element of a timing set that comprises the time unit n. ### Claim 13 (depends on 11) The method of claim 11, wherein each time unit comprises a plurality of contiguous orthogonal frequency division multiplexing (OFDM)-based symbols. ### Claim 14 (depends on 11) The method of claim 11, wherein the DCI is received through a physical downlink control channel (PDCCH), and wherein the A/N payload is transmitted through a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH). ### Claim 15 A user equipment (UE) configured to operate in a wireless communication system, the UE comprising: at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising: receiving downlink control information (DCI) for scheduling a physical downlink channel (PDSCH), wherein the DCI comprises delay information related to acknowledgement/negative acknowledgement (A/N) timing; based on receiving the DCI, receiving data via the PDSCH in a time unit n; and based on receiving the data in the time unit n, transmitting an A/N payload in a time unit n+k, where k is one of a plurality of A/N timing values and k is based on the received delay information, wherein the A/N payload comprises a plurality of A/N responses, with the plurality of A/N responses related to a plurality of data reception occasions, and wherein the plurality of data reception occasions, related to the plurality of A/N responses in the A/N payload, are determined based on the plurality of A/N timing values. ### Claim 16 (depends on 15) The UE of claim 15, wherein each of the plurality of data reception occasions is related to a respective time unit ni, and wherein ni is an ith element of a timing set that comprises the time unit n. ### Claim 17 (depends on 15) The UE of claim 15, wherein each time unit comprises a plurality of contiguous orthogonal frequency division multiplexing (OFDM)-based symbols. ### Claim 18 (depends on 15) The UE of claim 15, wherein the DCI is received through a physical downlink control channel (PDCCH), and wherein the A/N payload is transmitted through a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH).