# US 2019/0357231 A1 · Multiple groupings for group control channel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0357231 A1 - Document ID: US20190357231A1 - Status: Published application - Kind: A1 - Application number: 16/405,207 - Filed: 2019-05-07 - Published: 2019-11-21 - Earliest claimed: 2018-05-17 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Piyush GUPTA; Junyi LI; Chong LI - Web page: https://patentgrep.com/patent/US20190357231A1 ## CPC - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04W 72/121: for groups of terminals or users - H04L 1/08: by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)} - H04L 1/1614: {using bitmaps} - H04L 1/1671: {the supervisory signal being transmitted together with control information} - H04L 1/1887: {Scheduling and prioritising arrangements} - H04L 1/1893: {Physical mapping arrangements (physical resource mapping in general H04L5/00)} - H04L 1/1896: {ARQ related signaling} - H04L 5/0037: {Inter-user or inter-terminal allocation} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0082: {at predetermined intervals} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 72/1273: of downlink data flows - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0023: {Time-frequency-space} - H04L 5/0035: {Resource allocation in a cooperative multipoint environment} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/14: Two-way operation using the same type of signal, i.e. duplex - 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 Methods, systems, and devices for wireless communication are described. A wireless device may receive an indicator of resource allocation for a plurality of UEs, determine, based at least on a grouping of the plurality of UEs, resources from the resource allocation for receiving data at the UE, and receive the data on the determined resources. A base station may receive a plurality of acknowledgement reports from a plurality of UEs, determine, based on a grouping of the plurality of UEs, a resource allocation for each UE from which a negative acknowledgement was received, and transmit an indicator of the resource allocation. ## Claims ### Claim 1 A method performed by a user equipment (UE) for wireless communication, the method comprising: receiving an indicator of resource allocation for a plurality of UEs; determining, based at least on a grouping of the plurality of UEs, resources from the resource allocation for receiving data at the UE; and receiving the data on the determined resources. ### Claim 2 (depends on 1) The method of claim 1, wherein the indicator of resource allocation includes a bitmap indicating which UEs in the plurality of UEs reported a negative acknowledgement for a prior transmission. ### Claim 3 (depends on 2) The method of claim 2, wherein the determining resources comprises determining a number of resource blocks associated with a group of the grouping to which the UE belongs and identifying a location of the number of resource blocks based on a predefined mapping of resources for UEs within the group. ### Claim 4 (depends on 3) The method of claim 3, wherein the number of resource blocks associated with the group is based on a modulation and coding scheme (MCS) associated with UEs in the group. ### Claim 5 (depends on 1) The method of claim 1, wherein the indicator of resource allocation comprises a group Physical Downlink Control Channel (PDCCH) for allocating resources for a particular group of the grouping. ### Claim 6 (depends on 5) The method of claim 5, wherein the indicator of resource allocation includes a bitmap indicating which UEs in the particular group reported a negative acknowledgement for a prior transmission. ### Claim 7 (depends on 6) The method of claim 6, wherein the indicator of resource allocation further includes a starting and ending resource index for resources assigned to the particular group. ### Claim 8 (depends on 7) The method of claim 7, wherein the determining resources comprises determining that resources assigned to the particular group are uniformly divided among each UE within the particular group that reported a negative acknowledgement for a prior transmission. ### Claim 9 (depends on 6) The method of claim 6, wherein the indicator of resource allocation further includes a starting resource index and a number of resources allocated to each UE within the particular group that reported a negative acknowledgement for a prior transmission. ### Claim 10 (depends on 5) The method of claim 5, further comprising monitoring for the group PDCCH based on the UE belonging to the particular group. ### Claim 11 An apparatus for wireless communications, comprising: a processor; memory in electronic communication with the processor; and instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to: receive an indicator of resource allocation for a plurality of UEs; determine, based at least on a grouping of the plurality of UEs, resources from the resource allocation for receiving data at the UE; and receive the data on the determined resources. ### Claim 12 (depends on 11) The apparatus of claim 11, wherein the data comprises a retransmission of a prior missed transmission. ### Claim 13 (depends on 11) The apparatus of claim 11, wherein the indicator of resource allocation includes a bitmap indicating which UEs in the plurality of UEs reported a negative acknowledgement for a prior transmission. ### Claim 14 (depends on 13) The apparatus of claim 13, wherein the determining resources comprises determining a number of resource blocks associated with a group of the grouping to which the UE belongs and identifying a location of the number of resource blocks based on a predefined mapping of resources for UEs within the group. ### Claim 15 (depends on 14) The apparatus of claim 14, wherein the number of resource blocks associated with the group is based on a modulation and coding scheme (MCS) associated with UEs in the group. ### Claim 16 (depends on 11) The apparatus of claim 11, wherein the indicator of resource allocation comprises a group Physical Downlink Control Channel (PDCCH) for allocating resources for a particular group of the grouping. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein the indicator of resource allocation includes a bitmap indicating which UEs in the particular group reported a negative acknowledgement for a prior transmission. ### Claim 18 (depends on 17) The apparatus of claim 17, wherein the indicator of resource allocation further includes a starting and ending resource index for resources assigned to the particular group. ### Claim 19 (depends on 16) The apparatus of claim 16, wherein the determining resources comprises determining that resources assigned to the particular group are uniformly divided among each UE within the particular group that reported a negative acknowledgement for a prior transmission. ### Claim 20 (depends on 17) The apparatus of claim 17, wherein the indicator of resource allocation further includes a starting resource index and a number of resources allocated to each UE within the particular group that reported a negative acknowledgement for a prior transmission. ### Claim 21 (depends on 16) The apparatus of claim 16, wherein the instructions are further operable to cause the apparatus to monitor for the group PDCCH based on the UE belonging to the particular group. ### Claim 22 (depends on 11) The apparatus of claim 11, wherein the grouping is based at least in part on a pathloss associated with each of the plurality of UEs. ### Claim 23 A method for wireless communication, comprising: receiving a plurality of acknowledgement reports from a plurality of user equipments (UEs); determining, based on a grouping of the plurality of UEs, a resource allocation for each UE from which a negative acknowledgement was received; and transmitting an indicator of the resource allocation. ### Claim 24 (depends on 23) The method of claim 23, further comprising determining the grouping based on at least one of channel conditions, aggregation level requirement, or modulation and coding scheme (MCS) for each UE in the plurality of UEs. ### Claim 25 (depends on 24) The method of claim 24, wherein UEs with similar channel conditions, aggregation level requirement, or MCS are grouped into a same group. ### Claim 26 (depends on 23) The method of claim 23, the indicator of resource allocation includes a bitmap indicating which UEs in the plurality of UEs reported a negative acknowledgement for a prior transmission. ### Claim 27 (depends on 26) The method of claim 26, wherein the indicator of resource allocation comprises a group Physical Downlink Control Channel (PDCCH) for allocating resources for a particular group of the grouping. ### Claim 28 (depends on 27) The method of claim 27, further comprising transmitting a separate group PDCCH for each group of the grouping. ### Claim 29 (depends on 27) The method of claim 27, wherein the indicator of resource allocation includes a bitmap indicating which UEs in the particular group reported a negative acknowledgement for a prior transmission. ### Claim 30 (depends on 29) The method of claim 29, wherein the indicator of resource allocation further includes a starting and ending resource index for resources assigned to the particular group. ### Claim 31 (depends on 29) The method of claim 29, wherein the indicator of resource allocation further includes a starting resource index and a number of resources allocated to each UE within the particular group that reported a negative acknowledgement for a prior transmission.