# US 12,604,325 B2 · Acknowledgement location and timing for group-common downlink control information > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,604,325 B2 - Document ID: US12604325B2 - Status: Granted - Kind: B2 - Application number: 17/906,029 - Filed: 2020-04-30 - Published: 2023-03-30 - Granted: 2026-04-14 - Earliest claimed: 2020-04-30 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Fang Yuan; Yan Zhou; Tao Luo - Web page: https://patentgrep.com/patent/US12604325B2 ## CPC - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04W 72/232: the control data signalling from the physical layer, e.g. DCI signalling - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - 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 Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a physical uplink control channel resource, dedicated to the UE for transmitting a feedback message for group-common downlink control information (DCI), based at least in part on a resource configuration. The UE may transmit the feedback message based at least in part on whether the group-common DCI is successfully received. Numerous other aspects are provided. ## Claims ### Claim 1 A method of wireless communication performed by a user equipment (UE), comprising: determining a physical uplink control channel (PUCCH) resource, dedicated to the UE for transmitting a feedback message for group-common downlink control information (DCI), based at least in part on a resource configuration and a PUCCH resource indicator (PRI) corresponding to the UE in the group-common DCI; receiving an indication of a common offset in the group-common DCI; receiving an indication of a UE-specific offset in an RRC message; and transmitting the feedback message, after a specified amount of time from a receipt of an end of the group-common DCI, based at least in part on whether the group-common DCI is successfully received, wherein the specified amount of time includes the common offset and the UE-specific offset. ### Claim 2 (depends on 1) The method of claim 1, wherein a location of the PRI in the group-common DCI is specified by the resource configuration. ### Claim 3 (depends on 1) The method of claim 1, wherein transmitting the feedback message comprises: transmitting an acknowledgement message based at least in part on a determination that the group-common DCI is successfully received. ### Claim 4 (depends on 1) The method of claim 1, wherein transmitting the feedback message comprises: transmitting a negative acknowledgement message based at least in part on a determination that the group-common DCI is not successfully received. ### Claim 5 A method of wireless communication performed by a network entity, comprising: transmitting group-common downlink control information (DCI) to a group of user equipments (UEs), wherein the group-common DCI includes an indication of a common offset corresponding the group of UEs; transmitting an indication of a UE-specific offset in an RRC message to a UE in the group of UEs; determining a physical uplink control channel (PUCCH) resource, dedicated to the UE for transmitting a feedback message for the group-common DCI, based at least in part on a resource configuration for the UE and a PUCCH resource indicator (PRI) corresponding to the UE in the group-common DCI; and receiving the feedback message from the UE in the PUCCH resource dedicated to the UE, wherein the feedback message is transmitted from the UE after a specified amount of time from a receipt of an end of the group-common DCI at the UE, and wherein the specified amount of time includes the common offset and the UE-specific offset. ### Claim 6 (depends on 5) The method of claim 5, wherein a location of the PRI in the group-common DCI is specified by the resource configuration. ### Claim 7 A user equipment (UE) for wireless communication, comprising: a memory; and one or more processors coupled to the memory, the one or more processors configured to: determine a physical uplink control channel (PUCCH) resource, dedicated to the UE for transmitting a feedback message for group-common downlink control information (DCI), based at least in part on a resource configuration and a PUCCH resource indicator (PRI) corresponding to the UE in the group-common DCI; receive an indication of a common offset in the group-common DCI; receive an indication of a UE-specific offset in an RRC message; and transmit the feedback message, after a specified amount of time from a receipt of an end of the group-common DCI, based at least in part on whether the group-common DCI is successfully received, wherein the specified amount of time includes the common offset and the UE-specific offset. ### Claim 8 (depends on 7) The UE of claim 7, wherein the one or more processors, to transmit the feedback message, are configured to transmit an acknowledgement message based at least in part on a determination that the group-common DCI is successfully received. ### Claim 9 (depends on 7) The UE of claim 7, wherein the one or more processors, to transmit the feedback message, are configured to transmit a negative acknowledgement message based at least in part on a determination that the group-common DCI is not successfully received. ### Claim 10 (depends on 7) The UE of claim 7, wherein the one or more processors are configured to receive the resource configuration in a radio resource control message. ### Claim 11 (depends on 7) The UE of claim 7, wherein a location of the PRI in the group-common DCI is specified by the resource configuration. ### Claim 12 (depends on 7) The UE of claim 7, wherein the UE is in a group of UEs associated with the group-common DCI, and wherein the group-common DCI includes a UE-specific PRI for each UE in the group of UEs. ### Claim 13 (depends on 7) The UE of claim 7, wherein the specified amount of time is a predetermined amount of time. ### Claim 14 (depends on 7) The UE of claim 7, wherein the specified amount of time spans a specified quantity of transmission slots. ### Claim 15 (depends on 7) The UE of claim 7, wherein the one or more processors are configured to receive an indication of the specified amount of time in the group-common DCI. ### Claim 16 (depends on 7) The UE of claim 7, wherein the UE is in a group of UEs associated with the group-common DCI, and the common offset is common to the group of UEs. ### Claim 17 (depends on 16) The UE of claim 16, wherein the one or more processors are configured to receive an indication of the common offset in a radio resource control message. ### Claim 18 (depends on 16) The UE of claim 16, wherein the common offset is a predetermined common offset. ### Claim 19 (depends on 16) The UE of claim 16, wherein the one or more processors are configured to receive an indication of the UE-specific offset or the common offset in the group-common DCI. ### Claim 20 (depends on 19) The UE of claim 19, wherein the one or more processors are configured to receive the indication of the UE-specific offset in a portion of the group-common DCI. ### Claim 21 (depends on 7) The UE of claim 7, wherein the specified amount of time for the UE is a same amount of time as a specified amount of time of another UE in a group of UEs, and wherein a first frequency resource for the UE is a different frequency resource than a second frequency resource for the other UE. ### Claim 22 A network entity for wireless communication, comprising: a memory; and one or more processors coupled to the memory, the one or more processors configured to: transmit group-common downlink control information (DCI) to a group of user equipments (UEs), wherein the group-common DCI includes an indication of a common offset corresponding the group of UEs; transmit an indication of a UE-specific offset in an RRC message to a UE in the group of UEs; determine a physical uplink control channel (PUCCH) resource, dedicated to the UE for transmitting a feedback message for the group-common DCI, based at least in part on a resource configuration for the UE and a PUCCH resource indicator (PRI) corresponding to the UE in the group-common DCI; and receive the feedback message from the UE in the PUCCH resource dedicated to the UE, wherein the feedback message is transmitted from the UE after a specified amount of time from a receipt of an end of the group-common DCI at the UE, and wherein the specified amount of time includes the common offset and the UE-specific offset. ### Claim 23 (depends on 22) The network entity of claim 22, wherein the one or more processors, when receiving the feedback message, are configured to receive an acknowledgement message or a negative acknowledgement message. ### Claim 24 (depends on 22) The network entity of claim 22, wherein the one or more processors are configured to schedule a communication for the UE based at least in part on the feedback message from the UE. ### Claim 25 (depends on 22) The network entity of claim 22, wherein a location of the PRI in the group-common DCI is specified by the resource configuration. ### Claim 26 (depends on 22) The network entity of claim 22, wherein the group-common DCI includes a UE-specific PRI for each UE in the group of UEs. ### Claim 27 (depends on 22) The network entity of claim 22, wherein the one or more processors are configured to configure the UE to use a predetermined amount of time as the specified amount of time. ### Claim 28 (depends on 22) The network entity of claim 22, wherein the specified amount of time spans a specified quantity of transmission slots. ### Claim 29 (depends on 22) The network entity of claim 22, wherein the one or more processors are configured to transmit an indication of the specified amount of time in the group-common DCI. ### Claim 30 (depends on 22) The network entity of claim 22, wherein the specified amount of time includes a UE specific offset and a common offset is common to the group of UEs. ### Claim 31 (depends on 30) The network entity of claim 30, wherein the one or more processors are configured to configure the UE to use a predetermined offset as the common offset. ### Claim 32 (depends on 30) The network entity of claim 30, wherein the one or more processors are configured to transmit an indication of the UE-specific offset and an indication of the common offset in the group-common DCI. ### Claim 33 (depends on 32) The network entity of claim 32, wherein the one or more processors are configured to transmit the indication of the UE-specific offset in a portion of the group-common DCI. ### Claim 34 (depends on 22) The network entity of claim 22, wherein the specified amount of time for the UE is a same amount of time as a specified amount of time of another UE in the group of UEs, and wherein a first frequency resource for the UE is a different frequency resource than a second frequency resource for the other UE.