# US 12,192,996 B2 · Method and device for transmitting and receiving signals 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 12,192,996 B2 - Document ID: US12192996B2 - Status: Granted - Kind: B2 - Application number: 17/428,902 - Filed: 2020-02-17 - Published: 2022-02-24 - Granted: 2025-01-07 - Earliest claimed: 2019-02-15 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Suckchel Yang; Joonkui Ahn; Seonwook Kim - Web page: https://patentgrep.com/patent/US12192996B2 ## CPC - H04L 1/1896: {ARQ related signaling} - H04W 72/1273: of downlink data flows - H04L 1/0026: {Transmission of channel quality indication} - H04L 1/1671: {the supervisory signal being transmitted together with control information} - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04L 5/00: Arrangements affording multiple use of the transmission path - H04L 5/14: Two-way operation using the same type of signal, i.e. duplex - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/542: using measured or perceived quality - H04W 76/16: Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer - 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 In a method and device for a wireless communication system according to one embodiment of the present invention, downlink control information (DCI) for downlink data transmission on a primary cell (PCell) is received, a downlink assignment index (DAI) value included in the DCI is 1, the downlink data is received on the basis of the DCI, and hybrid automatic repeat request (HARQ) information about the downlink data is transmitted. In addition, on the basis of a channel state information (CSI) and/or scheduling request (SR) transmission set in a subframe in which the HARQ information is transmitted, (i) the HARQ information and (ii) the CSI and/or the SR are transmitted together in the subframe, and on the basis of multi radio-dual connectivity (MR-DC) being set in a terminal, (i) the HARQ information and (ii) the CSI and/or the SR are transmitted on a resource related to PUCCH format 3. ## Claims ### Claim 1 A method of transmitting and receiving a signal, performed by a user equipment (UE), in a wireless communication system, the method comprising: receiving downlink data on a primary cell (PCell), wherein a value of a downlink assignment index (DAI) included in Downlink Control Information (DCI) for scheduling the downlink data is 1; and transmitting hybrid automatic repeat request (HARQ) information for the downlink data, wherein based on a scheduling request (SR) transmission being configured in a subframe in which the HARQ information is transmitted, (i) the HARQ information and (ii) an SR are transmitted together in the subframe, and wherein based on multi-radio dual connectivity (MR-DC) between evolved universal terrestrial radio access (E-UTRA) and new radio (NR) being configured for the UE, (i) the HARQ information and (ii) the SR are transmitted in a resource related to physical uplink control channel (PUCCH) format 3, and wherein, based on dual connectivity (DC) is configured for the UE and the DC being not the MR-DC, (i) the HARQ information and (ii) the SR are transmitted in a resource related to PUCCH format 1b. ### Claim 2 (depends on 1) The method according to claim 1, wherein based on a transmission of second HARQ information for a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) reception being configured in a subframe in which the HARQ information is transmitted, (i) the HARQ information and (iii) the second HARQ information are transmitted together in the subframe, and wherein based on MR-DC being configured for the UE, (i) the HARQ information and (ii) the second HARQ information are transmitted in a resource related to PUCCH format 3. ### Claim 3 (depends on 1) The method according to claim 1, wherein based on MR-DC being configured for the UE and a system information block-uplink-downlink (SIB-UL-DL) configuration configured for the UE, UL-DL configurations available as a downlink reference UL-DL configuration are determined. ### Claim 4 (depends on 3) The method according to claim 3, wherein based on the UL-DL configurations available as the DL reference UL-DL configuration, a UL reference UL-DL configuration for a transmission of UL data is configured. ### Claim 5 A user equipment (UE) for transmitting and receiving a signal in a wireless communication system, the UE comprising: at least one transceiver; at least one processor; and at least one memory operably coupled to the at least one processor and storing instructions which when executed, cause the at least one processor to perform a specific operation, wherein the specific operation includes: receiving downlink data on a primary cell (PCell), wherein a value of a downlink assignment index (DAI) included in Downlink Control Information (DCI) for scheduling the downlink data is 1; and transmitting hybrid automatic repeat request (HARQ) information for the downlink data, wherein based on a scheduling request (SR) transmission being configured in a subframe in which the HARQ information is transmitted, (i) the HARQ information and (ii) an SR are transmitted together in the subframe, and wherein based on multi-radio dual connectivity (MR-DC) between evolved universal terrestrial radio access (E-UTRA) and new radio (NR) being configured for the UE, (i) the HARQ information and (ii) the SR are transmitted in a resource related to physical uplink control channel (PUCCH) format 3, and wherein, based on dual connectivity (DC) is configured for the UE and the DC being not the MR-DC, (i) the HARQ information and (ii) the SR are transmitted in a resource related to PUCCH format 1b. ### Claim 6 (depends on 5) The UE according to claim 5, wherein based on a transmission of second HARQ information for a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) reception being configured in a subframe in which the HARQ information is transmitted, (i) the HARQ information and (iii) the second HARQ information are transmitted together in the subframe, and wherein based on MR-DC being configured for the UE, (i) the HARQ information and (ii) the second HARQ information are transmitted in a resource related to PUCCH format 3. ### Claim 7 (depends on 5) The UE according to claim 5, wherein based on MR-DC being configured for the UE and a system information block-uplink-downlink (SIB-UL-DL) configuration configured for the UE, UL-DL configurations available as a downlink reference UL-DL configuration are determined. ### Claim 8 (depends on 7) The UE according to claim 7, wherein based on the UL-DL configurations available as the DL reference UL-DL configuration, a UL reference UL-DL configuration for a transmission of UL data is configured. ### Claim 9 An apparatus for a user equipment (UE), comprising: at least one processor; and at least one computer memory operably coupled to the at least one processor and when executed, causing the at least one processor to perform an operation, wherein the operation includes: receiving downlink data on a primary cell (PCell), wherein a value of a downlink assignment index (DAI) included in Downlink Control Information (DCI) for scheduling the downlink data is 1; and transmitting hybrid automatic repeat request (HARQ) information for the downlink data, wherein based on a scheduling request (SR) transmission being configured in a subframe in which the HARQ information is transmitted, (i) the HARQ information and (ii) an SR are transmitted together in the subframe, and wherein based on multi-radio dual connectivity (MR-DC) between evolved universal terrestrial radio access (E-UTRA) and new radio (NR) being configured for the UE, (i) the HARQ information and (ii) the SR are transmitted in a resource related to physical uplink control channel (PUCCH) format 3, and wherein, based on dual connectivity (DC) is configured for the UE and the DC being not the MR-DC, (i) the HARQ information and (ii) the SR are transmitted in a resource related to PUCCH format 1b. ### Claim 10 (depends on 9) The apparatus according to claim 9, wherein based on a transmission of second HARQ information for a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) reception being configured in a subframe in which the HARQ information is transmitted, (i) the HARQ information and (iii) the second HARQ information are transmitted together in the subframe, and wherein based on MR-DC being configured for the UE, (i) the HARQ information and (ii) the second HARQ information are transmitted in a resource related to PUCCH format 3. ### Claim 11 (depends on 9) The apparatus according to claim 9, wherein based on MR-DC being configured for the UE and a system information block-uplink-downlink (SIB-UL-DL) configuration configured for the UE, UL-DL configurations available as a downlink reference UL-DL configuration are determined. ### Claim 12 (depends on 11) The apparatus according to claim 11, wherein based on the UL-DL configurations available as the DL reference UL-DL configuration, a UL reference UL-DL configuration for a transmission of UL data is configured.