# US 12,224,861 B2 · Control signaling for PUCCH reliability enhancement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,861 B2 - Document ID: US12224861B2 - Status: Granted - Kind: B2 - Application number: 17/442,021 - Filed: 2020-05-15 - Published: 2022-09-22 - Granted: 2025-02-11 - Earliest claimed: 2020-05-15 - Assignees: Apple Inc. - Applicants: Apple Inc. - Inventors: Yushu Zhang; Wei Zeng; Dawei Zhang; Haitong Sun; Weidong Yang; Sigen Ye; Jie Cui; Yang Tang - Web page: https://patentgrep.com/patent/US12224861B2 ## CPC - H04L 1/08: by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)} - H04L 1/189: {Transmission or retransmission of more than one copy of a message} - H04L 1/1896: {ARQ related signaling} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04B 7/0617: {for beam forming} - H04L 5/0023: {Time-frequency-space} - 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) - H04B: TRANSMISSION ## Abstract Embodiments are presented herein of apparatuses, systems, and methods for a user equipment device (UE) to perform PUCCH repetition based on signaling from at least one base station. The UE may connect to at least one base station. The UE may receive signaling from the at least one base station configuring physical uplink control channel (PUCCH) transmission. The signaling may indicate a plurality of PUCCH resources for PUCCH repetition. The signaling may indicate a plurality of beams for PUCCH repetition. Based on the signaling from the at least one base station, the UE may transmit the PUCCH a plurality of times using the plurality of PUCCH resources and the plurality of beams. ## Claims ### Claim 1 A user equipment device (UE), comprising: wireless communication circuitry; and one or more processors coupled to the wireless communication circuitry, wherein the one or more processors are configured to cause the UE to: connect to at least one base station; receive a configuration from the at least one base station configuring physical uplink control channel (PUCCH) resource, wherein the configuration indicates PUCCH transmission repetitions, and wherein a plurality of spatial relations are configured for the PUCCH transmissions repetitions; receive a media access control (MAC) control element (CE) activating more than one spatial relation of the plurality of spatial relations for the PUCCH resource; and transmit the PUCCH transmission repetitions on the PUCCH resource using the plurality of spatial relations, wherein a respective PUCCH repetition is transmitted using one of the plurality of spatial relations and the repetitions are space division multiplexed within a slot. ### Claim 2 (depends on 1) The UE of claim 1, wherein MAC CE indicates activation of the plurality of spatial relations for the PUCCH resource. ### Claim 3 (depends on 1) The UE of claim 1, wherein the one or more processors are further configured to cause the UE to: perform power control for a respective PUCCH transmission based on power control parameters for the one of the plurality of spatial relations. ### Claim 4 (depends on 3) The UE of claim 3, wherein power control is performed independently for respective spatial relations of the plurality of spatial relations. ### Claim 5 (depends on 1) The UE of claim 1, wherein a number of repetitions of PUCCH is based on a number of the plurality of spatial relations. ### Claim 6 (depends on 1) The UE of claim 1, wherein the configuration configures multiple PUCCH resources, and wherein downlink control information (DCI) indicated at least one of the multiple PUCCH resources. ### Claim 7 (depends on 1) The UE of claim 1, wherein the one or more processors are further configured to cause the UE to: determine a first PUCCH repetition is in conflict with a physical uplink shared channel (PUSCH) transmission; and drop at least the first PUCCH repetition based on the conflict. ### Claim 8 A processor configured to: connect to at least one base station; receive a configuration from the at least one base station configuring physical uplink control channel (PUCCH) resource, wherein the configuration indicates PUCCH transmission repetitions, and wherein a plurality of spatial relations are configured for the PUCCH transmissions repetitions; receive a media access control (MAC) control element (CE) activating more than one spatial relation of the plurality of spatial relations for the PUCCH resource; and transmit the PUCCH transmission repetitions on the PUCCH resource using the plurality of spatial relations, wherein a respective PUCCH repetition is transmitted using one of the plurality of spatial relations and the repetitions are space division multiplexed within a slot. ### Claim 9 (depends on 8) The processor of claim 8, wherein a MAC CE indicates activation of the plurality of spatial relations for the PUCCH resource. ### Claim 10 (depends on 8) The processor of claim 8, further configured to: perform power control for a respective PUCCH transmission based on power control parameters for the one of the plurality of spatial relations. ### Claim 11 (depends on 10) The processor of claim 10, wherein power control is performed independently for respective spatial relations of the plurality of spatial relations. ### Claim 12 (depends on 8) The processor of claim 8, wherein a number of repetitions of PUCCH is based on a number of the plurality of spatial relations. ### Claim 13 A method, comprising: connecting to at least one base station; receiving a configuration from the at least one base station configuring physical uplink control channel (PUCCH) resource, wherein the configuration indicates PUCCH transmission repetitions, and wherein a plurality of spatial relations are configured for the PUCCH transmissions repetitions; receiving a media access control (MAC) control element (CE) activating more than one spatial relation of the plurality of spatial relations for the PUCCH resource; and transmitting the PUCCH transmission repetitions on the PUCCH resource using the plurality of spatial relations, wherein a respective PUCCH repetition is transmitted using one of the plurality of spatial relations and the repetitions are space division multiplexed within a slot. ### Claim 14 (depends on 13) The method of claim 13, wherein a MAC CE indicates activation of the plurality of spatial relations for the PUCCH resource. ### Claim 15 (depends on 13) The method of claim 13, further comprising: performing power control for a respective PUCCH transmission based on power control parameters for the one of the plurality of spatial relations. ### Claim 16 (depends on 15) The method of claim 15, wherein power control is performed independently for respective spatial relations of the plurality of spatial relations. ### Claim 17 (depends on 13) The method of claim 13, wherein a number of repetitions of PUCCH is based on a number of the plurality of spatial relations.