# US 12,192,917 B2 · Techniques for reporting power headroom for multiple uplink shared channel repetitions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,192,917 B2 - Document ID: US12192917B2 - Status: Granted - Kind: B2 - Application number: 18/503,987 - Filed: 2023-11-07 - Published: 2024-05-23 - Granted: 2025-01-07 - Earliest claimed: 2021-07-30 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Mostafa Khoshnevisan; Yitao Chen; Peter Gaal; Xiaoxia Zhang; Tao Luo - Web page: https://patentgrep.com/patent/US12192917B2 ## CPC - H04W 52/146: {Uplink power control} - H04W 52/365: {Power headroom reporting} - H04W 52/325: {Power control of control or pilot channels} - 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 Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to receive control signaling scheduling multiple uplink transmission repetitions including first and second sets of repetitions associated with first and second sounding reference signal (SRS) resource sets, respectively. The UE may determine first and second power headroom (PHR) values for the respective sets of repetitions, where at least the second PHR value is determined in accordance with a first rule as either an actual value based on a transmission power of one of the uplink transmission repetitions or a virtual value based on default transmission power settings, the first rule pertaining to PHR determination for multiple sets of repetitions corresponding to multiple SRS resource sets. The UE may generate a PHR report that includes the first PHR value, the second PHR value, or both, and may transmit the PHR report to the base station. ## Claims ### Claim 1 A user equipment (UE), comprising: one or more memories storing processor-executable code; and one or more processors coupled with the one or more memories and individually or collectively operable to execute the code to cause the UE to: receive, from a network device, control signaling scheduling a plurality of uplink transmission repetitions, the plurality of uplink transmission repetitions comprising a first set of repetitions associated with a first sounding reference signal resource set and a second set of repetitions associated with a second sounding reference signal resource set; determine a first power headroom value for the first set of repetitions and a second power headroom value for the second set of repetitions, at least the second power headroom value being determined as a virtual value based at least in part on one of an ordered pair of sets of default transmission power settings; generate a power headroom report that includes the first power headroom value, the second power headroom value, or both; and transmit the power headroom report to the network device. ### Claim 2 (depends on 1) The UE of claim 1, wherein each of the sets of default transmission power settings includes one or more of a reference power level value, a reference pathloss compensation value, a reference pathloss value associated with a reference signal, or a reference closed loop index. ### Claim 3 (depends on 1) The UE of claim 1, wherein a first of the ordered pair of sets of default transmission power settings is associated with the first sounding reference signal resource set and a second of the ordered pair of sets of default transmission power settings is associated with the second sounding reference signal resource set, and the one or more processors are individually or collectively further operable to execute the code to cause the UE to: select the second of the ordered pair for generating the second power headroom value as a virtual power headroom value based at least in part on the second sounding reference signal resource set being associated with the virtual value. ### Claim 4 (depends on 1) The UE of claim 1, wherein the one or more processors are individually or collectively further operable to execute the code to cause the UE to: select a second of the ordered pair of sets of default transmission power settings as the one of the ordered pair of sets of default transmission power settings based at least in part on the power headroom report including both the first power headroom value and the second power headroom value. ### Claim 5 (depends on 1) The UE of claim 1, wherein, to determine the first power headroom value and the second power headroom value, the one or more processors are individually or collectively further operable to execute the code to cause the UE to: generate the first power headroom value as a virtual power headroom value based at least in part on each of the first set of repetitions being transmitted in a different transmission time interval as the power headroom report. ### Claim 6 (depends on 1) The UE of claim 1, wherein, to generate the power headroom report, the one or more processors are individually or collectively further operable to execute the code to cause the UE to: generate the power headroom report without including the second power headroom value based at least in part on the first power headroom value being virtual. ### Claim 7 (depends on 1) The UE of claim 1, wherein, to determine the first power headroom value and the second power headroom value, the one or more processors are individually or collectively further operable to execute the code to cause the UE to: generate the first power headroom value as an actual power headroom value based at least in part on an uplink transmission repetition of the first set of repetitions being transmitted in a same transmission time interval as the power headroom report. ### Claim 8 (depends on 1) The UE of claim 1, wherein, to transmit the power headroom report to the network device, the one or more processors are individually or collectively further operable to execute the code to cause the UE to: transmit, via the power headroom report, one or more bit field values indicating whether the power headroom report comprises the first power headroom value, the second power headroom value, or both. ### Claim 9 (depends on 8) The UE of claim 8, wherein, to generate the power headroom report, the one or more processors are individually or collectively further operable to execute the code to cause the UE to: arrange the first power headroom value and the second power headroom value within the power headroom report based at least in part on an ordering of the first sounding reference signal resource set and the second sounding reference signal resource set, wherein the first power headroom value is first in the power headroom report if the ordering includes the first sounding reference signal resource set before the second sounding reference signal resource set, and wherein the second power headroom value is first in the power headroom report if the ordering includes the second sounding reference signal resource set before the first sounding reference signal resource set. ### Claim 10 (depends on 1) The UE of claim 1, wherein the one or more processors are individually or collectively further operable to execute the code to cause the UE to: transmit, to the network device, capability signaling indicating that the UE supports one or more power headroom reporting configurations for reporting multiple power headroom values per component carrier, wherein generating the power headroom report is based at least in part on the capability signaling. ### Claim 11 (depends on 10) The UE of claim 10, wherein the one or more processors are individually or collectively further operable to execute the code to cause the UE to: receive, from the network device, additional control signaling comprising an indication of a power headroom reporting configuration from the one or more power headroom reporting configurations. ### Claim 12 A network device, comprising: one or more memories storing processor-executable code; and one or more processors coupled with the one or more memories and individually or collectively operable to execute the code to cause the network device to: transmit, to a user equipment (UE), control signaling scheduling a plurality of uplink transmission repetitions, the plurality of uplink transmission repetitions comprising a first set of repetitions associated with a first sounding reference signal resource set and a second set of repetitions associated with a second sounding reference signal resource set; and receive, from the UE, a power headroom report that includes a first power headroom value for the first set of repetitions and a second power headroom value for the second set of repetitions, wherein the second power headroom value is reported as a virtual value based at least in part on one of an ordered pair of sets of default transmission power settings. ### Claim 13 (depends on 12) The network device of claim 12, wherein each of the sets of default transmission power settings includes one or more of a reference power level value, a reference pathloss compensation value, a reference pathloss value associated with a reference signal, or a reference closed loop index. ### Claim 14 (depends on 12) The network device of claim 12, wherein the one or more processors are individually or collectively further operable to execute the code to cause the network device to: receive, from the UE, capability signaling indicating that the UE supports one or more power headroom reporting configurations for reporting multiple power headroom values per component carrier. ### Claim 15 (depends on 14) The network device of claim 14, wherein the one or more processors are individually or collectively further operable to execute the code to cause the network device to: transmit, to the UE, additional control signaling comprising an indication of a power headroom reporting configuration from the one or more power headroom reporting configurations. ### Claim 16 A method for wireless communication at a user equipment (UE), comprising: receiving, from a network device, control signaling scheduling a plurality of uplink transmission repetitions, the plurality of uplink transmission repetitions comprising a first set of repetitions associated with a first sounding reference signal resource set and a second set of repetitions associated with a second sounding reference signal resource set; determining a first power headroom value for the first set of repetitions and a second power headroom value for the second set of repetitions, at least the second power headroom value being determined as a virtual value based at least in part on one of an ordered pair of sets of default transmission power settings; generating a power headroom report that includes the first power headroom value, the second power headroom value, or both; and transmitting the power headroom report to the network device. ### Claim 17 (depends on 16) The method of claim 16, wherein each of the sets of default transmission power settings includes one or more of a reference power level value, a reference pathloss compensation value, a reference pathloss value associated with a reference signal, or a reference closed loop index. ### Claim 18 (depends on 16) The method of claim 16, wherein a first of the ordered pair of sets of default transmission power settings is associated with the first sounding reference signal resource set and a second of the ordered pair of sets of default transmission power settings is associated with the second sounding reference signal resource set, the method further comprising: selecting the second of the ordered pair for generating the second power headroom value as a virtual power headroom value based at least in part on the second sounding reference signal resource set being associated with the virtual value. ### Claim 19 (depends on 16) The method of claim 16, further comprising: selecting a second of the ordered pair of sets of default transmission power settings as the one of the ordered pair of sets of default transmission power settings based at least in part on the power headroom report including both the first power headroom value and the second power headroom value. ### Claim 20 (depends on 16) The method of claim 16, wherein determining the first power headroom value and the second power headroom value further comprises: generating the first power headroom value as a virtual power headroom value based at least in part on each of the first set of repetitions being transmitted in a different transmission time interval as the power headroom report. ### Claim 21 (depends on 16) The method of claim 16, wherein generating the power headroom report further comprises: generating the power headroom report without including the second power headroom value based at least in part on the first power headroom value being virtual. ### Claim 22 (depends on 16) The method of claim 16, wherein determining the first power headroom value and the second power headroom value further comprises: generating the first power headroom value as an actual power headroom value based at least in part on an uplink transmission repetition of the first set of repetitions being transmitted in a same transmission time interval as the power headroom report. ### Claim 23 (depends on 16) The method of claim 16, wherein transmitting the power headroom report to the network device further comprises: transmitting, via the power headroom report, one or more bit field values indicating whether the power headroom report comprises the first power headroom value, the second power headroom value, or both. ### Claim 24 (depends on 23) The method of claim 23, wherein generating the power headroom report further comprises: arranging the first power headroom value and the second power headroom value within the power headroom report based at least in part on an ordering of the first sounding reference signal resource set and the second sounding reference signal resource set, wherein the first power headroom value is first in the power headroom report if the ordering includes the first sounding reference signal resource set before the second sounding reference signal resource set, and wherein the second power headroom value is first in the power headroom report if the ordering includes the second sounding reference signal resource set before the first sounding reference signal resource set. ### Claim 25 (depends on 16) The method of claim 16, further comprising: transmitting, to the network device, capability signaling indicating that the UE supports one or more power headroom reporting configurations for reporting multiple power headroom values per component carrier, wherein generating the power headroom report is based at least in part on the capability signaling. ### Claim 26 (depends on 25) The method of claim 25, further comprising: receiving, from the network device, additional control signaling comprising an indication of a power headroom reporting configuration from the one or more power headroom reporting configurations. ### Claim 27 A method for wireless communication at a network device, comprising: transmitting, to a user equipment (UE), control signaling scheduling a plurality of uplink transmission repetitions, the plurality of uplink transmission repetitions comprising a first set of repetitions associated with a first sounding reference signal resource set and a second set of repetitions associated with a second sounding reference signal resource set; and receiving, from the UE, a power headroom report that includes a first power headroom value for the first set of repetitions and a second power headroom value for the second set of repetitions, wherein the second power headroom value is reported as a virtual value based at least in part on one of an ordered pair of sets of default transmission power settings. ### Claim 28 (depends on 27) The method of claim 27, wherein each of the sets of default transmission power settings includes one or more of a reference power level value, a reference pathloss compensation value, a reference pathloss value associated with a reference signal, or a reference closed loop index. ### Claim 29 (depends on 27) The method of claim 27, further comprising: receiving, from the UE, capability signaling indicating that the UE supports one or more power headroom reporting configurations for reporting multiple power headroom values per component carrier. ### Claim 30 (depends on 29) The method of claim 29, further comprising: transmitting, to the UE, additional control signaling comprising an indication of a power headroom reporting configuration from the one or more power headroom reporting configurations.