# US 12,015,460 B1 · Configuring antenna array thinning operations at wireless devices > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,460 B1 - Document ID: US12015460B1 - Status: Granted - Kind: B1 - Application number: 18/064,523 - Filed: 2022-12-12 - Published: 2024-06-13 - Granted: 2024-06-18 - Earliest claimed: 2022-12-12 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Vasanthan Raghavan; Mohammad Ali Tassoudji; Junyi Li - Web page: https://patentgrep.com/patent/US12015460B1 ## CPC - H04B 7/0608: {Antenna selection according to transmission parameters} - H04B 7/0617: {for beam forming} - H04B 7/086: {using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming} - H04B: TRANSMISSION ## Abstract Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a receiving device may receive an indication of at least one factor associated with an antenna array thinning operation at a transmitting device. Accordingly, the receiving device may adjust at least one reception parameter at the receiving device based at least in part on the at least one factor. Similarly, a transmitting device may transmit an indication of at least one factor associated with antenna array thinning operation. Accordingly, the transmitting device may perform the antenna array thinning operation based at least in part on the at least one factor. Numerous other aspects are described. ## Claims ### Claim 1 An apparatus for wireless communication at a receiving device, comprising: a memory; and one or more processors, coupled to the memory, configured to: receive, from a transmitting device, an indication of at least one factor associated with an antenna array thinning operation at the transmitting device; and adjust at least one reception parameter at the receiving device based at least in part on the at least one factor. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein, to adjust the at least one reception parameter, the one or more processors are configured to: increase a gain at the receiving device. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein, to adjust the at least one reception parameter, the one or more processors are configured to: apply a spatial filter corresponding to hybrid beamforming weights used at the receiving device. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the one or more processors are further configured to: receive, from the transmitting device, a message indicating that the transmitting device is capable of performing the antenna array thinning operation. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the indication further includes a main lobe gain, a main lobe direction, a set of side lobe gains, or a set of side lobe directions associated with the transmitting device. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the one or more processors are further configured to: receive, from the transmitting device, a configuration for a channel between the transmitting device and the receiving device based at least in part on the at least one factor. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein the at least one factor comprises: a quantity of antenna elements; a proportion of antenna elements that are activated or turned on; a mask of on-off antenna elements that is used for the antenna array thinning operation; a power savings associated with the antenna array thinning operation; an inter-antenna element spacing; or a carrier frequency used by the transmitting device. ### Claim 8 An apparatus for wireless communication at a transmitting device, comprising: a memory; and one or more processors, coupled to the memory, configured to: transmit an indication of at least one factor associated with an antenna array thinning operation; and perform the antenna array thinning operation based at least in part on the at least one factor. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein, to perform the antenna array thinning operation, the one or more processors are configured to: deactivate a subset of antenna elements associated with the transmitting device. ### Claim 10 (depends on 8) The apparatus of claim 8, wherein the one or more processors are further configured to: transmit a message indicating that the transmitting device is capable of performing the antenna array thinning operation. ### Claim 11 (depends on 8) The apparatus of claim 8, wherein the indication further includes a main lobe gain, a main lobe direction, a set of side lobe gains, or a set of side lobe directions associated with the transmitting device. ### Claim 12 (depends on 8) The apparatus of claim 8, wherein the one or more processors are further configured to: transmit a configuration for a channel between the transmitting device and a receiving device based at least in part on the at least one factor. ### Claim 13 (depends on 8) The apparatus of claim 8, wherein the at least one factor comprises: a quantity of antenna elements; a proportion of antenna elements that are activated or turned on; a mask of on-off antenna elements that is used for the antenna array thinning operation; a power savings associated with the antenna array thinning operation; an inter-antenna element spacing; or a carrier frequency used by the transmitting device. ### Claim 14 A method of wireless communication performed by a receiving device, comprising: receiving, from a transmitting device, an indication of at least one factor associated with an antenna array thinning operation at the transmitting device; and adjusting at least one reception parameter at the receiving device based at least in part on the at least one factor. ### Claim 15 (depends on 14) The method of claim 14, wherein adjusting the at least one reception parameter comprises: increasing a gain at the receiving device. ### Claim 16 (depends on 14) The method of claim 14, wherein adjusting the at least one reception parameter comprises: applying a spatial filter corresponding to hybrid beamforming weights used at the receiving device. ### Claim 17 (depends on 14) The method of claim 14, further comprising: receiving, from the transmitting device, a message indicating that the transmitting device is capable of performing the antenna array thinning operation. ### Claim 18 (depends on 14) The method of claim 14, wherein the indication further includes a main lobe gain, a main lobe direction, a set of side lobe gains, or a set of side lobe directions associated with the transmitting device. ### Claim 19 (depends on 14) The method of claim 14, further comprising: receiving, from the transmitting device, a configuration for a channel between the transmitting device and the receiving device based at least in part on the at least one factor. ### Claim 20 (depends on 14) The method of claim 14, wherein the at least one factor comprises: a quantity of antenna elements; a proportion of antenna elements that are activated or turned on; a mask of on-off antenna elements that is used for the antenna array thinning operation; a power savings associated with the antenna array thinning operation; an inter-antenna element spacing; or a carrier frequency used by the transmitting device. ### Claim 21 A method of wireless communication performed by a transmitting device, comprising: transmitting an indication of at least one factor associated with an antenna array thinning operation; and performing the antenna array thinning operation based at least in part on the at least one factor. ### Claim 22 (depends on 21) The method of claim 21, wherein performing the antenna array thinning operation comprises: deactivating a subset of antenna elements associated with the transmitting device. ### Claim 23 (depends on 21) The method of claim 21, further comprising: transmitting a message indicating that the transmitting device is capable of performing the antenna array thinning operation. ### Claim 24 (depends on 21) The method of claim 21, wherein the indication further includes a main lobe gain, a main lobe direction, a set of side lobe gains, or a set of side lobe directions associated with the transmitting device. ### Claim 25 (depends on 21) The method of claim 21, further comprising: transmitting a configuration for a channel between the transmitting device and a receiving device based at least in part on the at least one factor. ### Claim 26 (depends on 21) The method of claim 21, wherein the at least one factor comprises: a quantity of antenna elements; a proportion of antenna elements that are activated or turned on; a mask of on-off antenna elements that is used for the antenna array thinning operation; a power savings associated with the antenna array thinning operation; an inter-antenna element spacing; or a carrier frequency used by the transmitting device.