# US 12,015,985 B2 · Uplink transmit power control > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,985 B2 - Document ID: US12015985B2 - Status: Granted - Kind: B2 - Application number: 16/078,964 - Filed: 2016-02-24 - Published: 2020-06-04 - Granted: 2024-06-18 - Earliest claimed: 2016-02-24 - Assignees: Nokia Solutions and Networks Oy - Applicants: Nokia Solutions and Networks Oy - Inventors: Yi Zhang; Yuantao Zhang; De Shan Miao - Web page: https://patentgrep.com/patent/US12015985B2 ## CPC - H04W 52/146: {Uplink power control} - H04W 52/08: Closed loop power control - H04W 52/42: in systems with time, space, frequency or polarisation diversity - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract There is a method comprising determining a beamforming configuration for a time period for reception of uplink data from a user device, determining uplink power control information based on the determined beamforming configuration and providing an indication of the determined uplink power control information to the user device for use in determining uplink transmit power for the time period. ## Claims ### Claim 1 A method comprising: determining, by a network node, a plurality of beamforming configurations to be used for measurements related to pathloss; determining, by the network node, a plurality of sets of uplink power control parameters based on the determined plurality of beamforming configurations; and providing, by the network node, downlink control information including an indication indicative of a set of uplink power control parameters from the plurality of sets of uplink power control parameters to a user device; wherein the set of uplink power control parameters is linked with one of the plurality of beamforming configurations; and wherein each of the plurality of sets of uplink power control parameters comprises at least a P0 and an alpha parameters. ### Claim 2 (depends on 1) The method according to claim 1, comprising: determining, by the network node, the set of uplink power control parameters based on a beamforming gain associated with the one of the plurality of beamforming configurations. ### Claim 3 (depends on 2) The method according to claim 2, comprising: determining the set of uplink power control parameters based on a comparison between the beamforming gain associated with the one of the plurality of beamforming configurations and a reference beamforming gain associated with a reference beamforming configuration. ### Claim 4 (depends on 1) The method according to claim 1, comprising: transmitting an indication of a set of time periods associated with a respective one of the plurality of sets of uplink power control parameters. ### Claim 5 (depends on 1) The method of claim 1, comprising: providing an indication of closed loop uplink transmit power control information to further adjust an uplink transmit power value determined based on the set of uplink power control parameters. ### Claim 6 (depends on 5) The method according to claim 5, wherein the closed loop uplink transmit power control information is based on a common accumulated power control mode for a plurality of user devices, and the method further comprises: determining the closed loop uplink transmit power control information based on a reference beamforming gain associated with a reference beamforming configuration. ### Claim 7 (depends on 1) The method according to claim 1, wherein the plurality of beamforming configurations define at least one receive beam and at least one transmit beam. ### Claim 8 (depends on 1) The method according to claim 1, wherein the time period is a subframe. ### Claim 9 A method comprising: receiving, by a user device, downlink control information including an indication indicative of a set of uplink power control parameters from a plurality of sets of uplink power control parameters to be used by the user device in controlling uplink transmit power, wherein the indicated set of uplink power control parameters is linked with a beamforming configuration used for a measurement related to a pathloss; determining the pathloss based on the beamforming configuration; and transmitting uplink data by using uplink transmit power determined based on the indicated set of uplink power control parameters and the pathloss; wherein each of the plurality of sets of uplink power control parameters comprises at least a P0 and an alpha parameters. ### Claim 10 (depends on 9) The method according to claim 9, comprising: performing a downlink signal strength measurement with respect to the beamforming configuration, wherein the pathloss is determined based on a reference signal power and the downlink signal strength measurement; and determining the uplink transmit power based on the indicated set of uplink power control parameters and the determined pathloss. ### Claim 11 (depends on 9) The method according to claim 9, comprising: performing a downlink signal strength measurement with respect to each of a plurality of beamforming configurations, wherein each of the plurality of the beamforming configurations is associated with a respective one of the plurality of sets of uplink power control parameters. ### Claim 12 (depends on 9) A computer program product, the computer program product being tangibly embodied on a non-transitory computer-readable storage medium and including instructions that, when executed by at least one processor, are configured to perform the method of claim 9. ### Claim 13 An apparatus comprising: at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: receive downlink control information including an indication indicative of a set of uplink power control parameters from a plurality of sets of uplink power control parameters to be used by the apparatus in controlling uplink transmit power, wherein the indicated set of uplink power control parameters is linked with a beamforming configuration used for a measurement related to a pathloss; determine the pathloss based on the beamforming configuration; and transmit uplink data by using uplink transmit power determined based on the indicated set of uplink power control parameters and the pathloss; wherein each of the plurality of sets of uplink power control parameters comprises at least a P0 and an alpha parameters. ### Claim 14 (depends on 13) The apparatus according to claim 13, wherein the apparatus further configured to: perform a downlink signal strength measurement with respect to a reference beamforming configuration, wherein the pathloss is calculated based on a reference signal power and the downlink signal strength measurement; and determining the uplink transmit power based on the indicated set of uplink power control parameters and the determined pathloss. ### Claim 15 (depends on 13) The apparatus according to claim 13, wherein each beamforming configuration, of a plurality of beamforming configurations, is linked with a respective set of the plurality of sets of uplink power control parameters. ### Claim 16 (depends on 13) The apparatus according to claim 13: wherein each beamforming configuration, of a plurality of beamforming configurations, is associated with a beam direction or orientation and/or a beam width; and wherein each beamforming configuration is linked with a respective set of the plurality of sets of uplink power control parameters. ### Claim 17 (depends on 15) The apparatus according to claim 15, wherein the plurality of beamforming configurations define at least one receive beam and at least one transmit beam. ### Claim 18 (depends on 13) The apparatus according to claim 13, wherein the indication indicative of the set of uplink power control parameters includes a bit indicating an index of a baseline transmit power defined by the set of uplink power control parameters.