# US 12,771,409 B2 · Methods for antenna group selection with multi-sided antenna modules > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,771,409 B2 - Document ID: US12771409B2 - Status: Granted - Kind: B2 - Application number: 18/453,068 - Filed: 2023-08-21 - Published: 2025-02-27 - Granted: 2026-10-20 - Earliest claimed: 2023-08-21 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Vasanthan Raghavan; Mohammad Ali Tassoudji - Web page: https://patentgrep.com/patent/US12771409B2 ## CPC - H04B 7/0404: the mobile station comprising multiple antennas, e.g. to provide uplink diversity - H04B 7/0691: {using subgroups of transmit antennas} - H04B 7/0874: {using subgroups of receive antennas} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04B: TRANSMISSION - 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 receive, from a network entity, a first indication of one or more antenna element selection parameters including one or more antenna element performance thresholds for antenna element selection by the UE. The UE may select one or more antenna elements based on the one or more antenna elements satisfying the one or more antenna element performance thresholds. The UE may transmit, to the network entity, a second indication of one or more transmission configuration indicator (TCI) states that correspond to the usage of the one or more antenna elements selected by the UE. The UE and the network entity may communicate in accordance with the one or more TCI states included in the second indication. ## 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 a first indication of one or more antenna element selection parameters, the one or more antenna element selection parameters comprising one or more antenna element performance thresholds for antenna element selection by the UE, wherein the one or more antenna element performance thresholds are associated with a feedline loss threshold, a blockage loss threshold, or both; and transmit a second indication of one or more transmission configuration indicator (TCI) states corresponding to usage of one or more antenna elements of the UE, the one or more antenna elements selected by the UE based at least in part on the one or more antenna elements satisfying the one or more antenna element performance thresholds, wherein each TCI state of the one or more TCI states is associated with a respective spatial resource for communications via the one or more antenna elements. ### Claim 2 (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 first set of antenna elements based at least in part on the one or more antenna elements satisfying a first antenna element performance threshold associated with the feedline loss threshold; and select a second set of antenna elements different than the first set of antenna elements based at least in part on the one or more antenna elements satisfying a second antenna element performance threshold associated with the blockage loss threshold. ### Claim 3 (depends on 1) The UE of claim 1, wherein the one or more antenna element performance thresholds comprise first one or more antenna element performance thresholds for uplink communications and second one or more antenna element performance thresholds for downlink communications, and the one or more processors are individually or collectively further operable to execute the code to cause the UE to: transmit one or more uplink signals via first one or more antenna elements, the first one or more antenna elements selected by the UE based at least in part on the first one or more antenna element performance thresholds; and receive one or more downlink signals via second one or more antenna elements, the second one or more antenna elements selected by the UE based at least in part on the second one or more antenna element performance thresholds. ### Claim 4 (depends on 1) The UE of claim 1, wherein the one or more antenna element performance thresholds are based at least in part on a first size of a first antenna array of the UE, a second size of a second antenna array of a network entity, or both. ### Claim 5 (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 the one or more antenna elements from a set of antenna element groups, wherein each antenna element group of the set of antenna element groups is associated with a same power characteristic. ### Claim 6 (depends on 1) The UE of claim 1, wherein, to receive the first indication, the one or more processors are individually or collectively operable to execute the code to cause the UE to: receive the first indication via a radio resource control (RRC) message, a downlink control information (DCI) message, a medium access control-control element (MAC-CE) message, or any combination thereof. ### Claim 7 (depends on 1) The UE of claim 1, wherein, to transmit the second indication, the one or more processors are individually or collectively operable to execute the code to cause the UE to: transmit the second indication via an RRC message, an uplink control information (UCI) message, a MAC-CE message, or any combination thereof. ### Claim 8 (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 the one or more antenna elements based at least in part on an antenna element configuration at the UE. ### Claim 9 (depends on 8) The UE of claim 8, wherein the antenna element configuration is associated with a geometry of the one or more antenna elements of the UE, an arrangement of the one or more antenna elements of the UE, one or more boresight directions of the one or more antenna elements of the UE, a radio frequency integrated circuit (RFIC) configuration, a mapping between one or more RFIC ports and one or more feedlines associated with the one or more antenna elements of the UE, or any combination thereof. ### Claim 10 (depends on 9) The UE of claim 9, wherein the one or more antenna elements of the UE comprises one or more first sets of antenna elements, each first set of antenna elements associated with a respective plurality of boresight directions, and one or more second sets of antenna elements, each second set of antenna elements associated with a respective single boresight direction. ### Claim 11 (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: communicate with a network entity in accordance with the one or more TCI states based at least in part on transmitting the second indication. ### Claim 12 (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: receive a third indication from a network entity of one or more second TCI states, different from the one or more TCI states, based at least in part on transmitting the second indication; and communicate with the network entity in accordance with the one or more second TCI states based at least in part on receiving the third indication. ### Claim 13 A network entity, 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 entity to: transmit a first indication of one or more antenna element selection parameters, the one or more antenna element selection parameters comprising one or more antenna element performance thresholds for antenna element selection by a user equipment (UE), wherein the one or more antenna element performance thresholds are associated with a feedline loss threshold, a blockage loss threshold, or both; and receive a second indication of one or more transmission configuration indicator (TCI) states based at least in part on transmitting the first indication, the one or more TCI states corresponding to usage of one or more antenna elements of the UE, wherein each TCI state of the one or more TCI states is associated with a respective spatial resource for communications via the one or more antenna elements. ### Claim 14 (depends on 13) The network entity of claim 13, wherein, to transmit the first indication, the one or more processors are individually or collectively operable to execute the code to cause the network entity to: select the one or more antenna element performance thresholds based at least in part on a performance tradeoff between the blockage loss and the feedline loss, an antenna panel configuration supported by the UE, or both; and transmit the first indication of the one or more antenna element selection parameters based at least in part on the selecting. ### Claim 15 (depends on 13) The network entity of claim 13, wherein the one or more antenna element performance thresholds comprise first one or more antenna element performance thresholds for uplink communications and second one or more antenna element performance thresholds for downlink communications, and the one or more processors are individually or collectively further operable to execute the code to cause the network entity to: receive one or more uplink signals based at least in part on the first one or more antenna element performance thresholds; and transmit one or more downlink signals based at least in part on the second one or more antenna element performance thresholds. ### Claim 16 (depends on 13) The network entity of claim 13, wherein the one or more antenna element performance thresholds are based at least in part on a first size of a first antenna array at the UE, a second size of a second antenna array at the network entity, or both. ### Claim 17 (depends on 13) The network entity of claim 13, wherein, to transmit the first indication, the one or more processors are individually or collectively operable to execute the code to cause the network entity to: transmit the first indication via a radio resource control (RRC) message, a downlink control information (DCI) message, a medium access control-control element (MAC-CE) message, or any combination thereof. ### Claim 18 (depends on 13) The network entity of claim 13, wherein, to receive the second indication, the one or more processors are individually or collectively operable to execute the code to cause the network entity to: receive the second indication via an RRC message, an uplink control information (UCI) message, a MAC-CE message, or any combination thereof. ### Claim 19 (depends on 13) The network entity of claim 13, wherein the one or more processors are individually or collectively further operable to execute the code to cause the network entity to: communicate with one or more UEs including the UE in accordance with the one or more TCI states based at least in part on receiving the second indication. ### Claim 20 (depends on 13) The network entity of claim 13, wherein the one or more processors are individually or collectively further operable to execute the code to cause the network entity to: transmit a third indication to the UE of one or more second TCI states, different from the one or more TCI states, based at least in part on receiving the second indication; and communicate with one or more UEs including the UE in accordance with the one or more second TCI states based at least in part on transmitting the third indication. ### Claim 21 A method for wireless communications by a user equipment (UE), comprising: receiving a first indication of one or more antenna element selection parameters, the one or more antenna element selection parameters comprising one or more antenna element performance thresholds for antenna element selection by the UE, wherein the one or more antenna element performance thresholds are associated with a feedline loss threshold, a blockage loss threshold, or both; and transmitting a second indication of one or more transmission configuration indicator (TCI) states corresponding to usage of one or more antenna elements of the UE, the one or more antenna elements selected by the UE based at least in part on the one or more antenna elements satisfying the one or more antenna element performance thresholds, wherein each TCI state of the one or more TCI states is associated with a respective spatial resource for communications via the one or more antenna elements. ### Claim 22 (depends on 21) The method of claim 21, further comprising: selecting a first set of antenna elements based at least in part on the one or more antenna elements satisfying a first antenna element performance threshold associated with the feedline loss threshold; and selecting a second set of antenna elements different than the first set of antenna elements based at least in part on the one or more antenna elements satisfying a second antenna element performance threshold associated with the blockage loss threshold. ### Claim 23 (depends on 21) The method of claim 21, wherein the one or more antenna element performance thresholds comprise first one or more antenna element performance thresholds for uplink communications and second one or more antenna element performance thresholds for downlink communications, the method further comprising: transmitting one or more uplink signals via first one or more antenna elements, the first one or more antenna elements selected by the UE based at least in part on the first one or more antenna element performance thresholds; and receiving one or more downlink signals via second one or more antenna elements, the second one or more antenna elements selected by the UE based at least in part on the second one or more antenna element performance thresholds. ### Claim 24 (depends on 21) The method of claim 21, further comprising: selecting the one or more antenna elements based at least in part on an antenna element configuration at the UE. ### Claim 25 (depends on 24) The method of claim 24, wherein the antenna element configuration is associated with a geometry of the one or more antenna elements of the UE, an arrangement of the one or more antenna elements of the UE, one or more boresight directions of the one or more antenna elements of the UE, a radio frequency integrated circuit (RFIC) configuration, a mapping between one or more RFIC ports and one or more feedlines associated with the one or more antenna elements of the UE, or any combination thereof. ### Claim 26 A method for wireless communications by a network entity, comprising: transmitting a first indication of one or more antenna element selection parameters, the one or more antenna element selection parameters comprising one or more antenna element performance thresholds for antenna element selection by a user equipment (UE), wherein the one or more antenna element performance thresholds are associated with a feedline loss threshold, a blockage loss threshold, or both; and receiving a second indication of one or more transmission configuration indicator (TCI) states based at least in part on transmitting the first indication, the one or more TCI states corresponding to usage of one or more antenna elements of the UE, wherein each TCI state of the one or more TCI states is associated with a respective spatial resource for communications via the one or more antenna elements. ### Claim 27 (depends on 26) The method of claim 26, wherein transmitting the first indication comprises: selecting the one or more antenna element performance thresholds based at least in part on a performance tradeoff between a blockage loss and a feedline loss, an antenna panel configuration supported by the UE, or both; and transmitting the first indication of the one or more antenna element selection parameters based at least in part on the selecting. ### Claim 28 (depends on 26) The method of claim 26, wherein the one or more antenna element performance thresholds comprise first one or more antenna element performance thresholds for uplink communications and second one or more antenna element performance thresholds for downlink communications, the method further comprising: receiving one or more uplink signals based at least in part on the first one or more antenna element performance thresholds; and transmitting one or more downlink signals based at least in part on the second one or more antenna element performance thresholds.