# US 2025/0219800 A1 · Reduction of interference due to an atmospheric condition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0219800 A1 - Document ID: US20250219800A1 - Status: Published application - Kind: A1 - Application number: 18/400,590 - Filed: 2023-12-29 - Published: 2025-07-03 - Earliest claimed: 2023-12-29 - Assignees: T-Mobile Innovations LLC - Applicants: T-Mobile Innovations LLC - Inventors: Chad Chun Fai AU - Web page: https://patentgrep.com/patent/US20250219800A1 ## CPC - H04L 5/0073: {Allocation arrangements that take into account other cell interferences} - H04B 7/0617: {for beam forming} - H04W 72/0473: {the resource being transmission power} - H04W 72/541: using the level of interference - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - 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 Systems and methods are provided for selecting an antenna amplitude taper to transmit wireless signals to a coverage area from a base station. A first interference level at a victim cell is determined when using a first amplitude taper. A second interference level at a victim cell is determined when using a second amplitude taper. Based on determining that the second interference level is less than the first interference level, the second amplitude taper is selected to transmit the wireless signals to the coverage area form the set of antenna elements at the base station. ## Claims ### Claim 1 A system for selecting an antenna amplitude taper to transmit wireless signals to a coverage area during an atmospheric condition, the system comprising: a base station configured to transmit the wireless signals to the coverage area; one or more processors; and one or more computer storage hardware devices storing computer-usable instructions that, when used by the one or more processors, cause the one or more processors to: determine a first interference level at a victim cell when the wireless signals are transmitted to the coverage area from a set of antenna elements at the base station using a first amplitude taper; determine a second interference level at the victim cell when the wireless signals are transmitted to the coverage area from the set of antenna elements at the base station using a second amplitude taper; determine that the second interference level is less than the first interference level; upon determining that the second interference level is less than the first interference level, select the second amplitude taper to transmit the wireless signals to the coverage area from the set of antenna elements at the base station; and transmit the wireless signals to the coverage area from the set of antenna elements at the base station using the second amplitude taper. ### Claim 2 (depends on 1) The system of claim 1, wherein the first interference level and the second interference level are determined by measuring a noise level in one or more uplink timeslots at the victim cell. ### Claim 3 (depends on 1) The system of claim 1, wherein an aperture of a primary beamform of the first amplitude taper is generally the same as an aperture of a primary beamform of the second amplitude taper. ### Claim 4 (depends on 1) The system of claim 1, wherein the first amplitude taper and the second amplitude taper are selected among a plurality of predetermined excitation radiation patterns provided to the set of antenna elements to form the first amplitude taper and the second amplitude taper. ### Claim 5 (depends on 1) The system of claim 1, wherein the first amplitude taper and the second amplitude taper comprises one or more of a Chebyshev amplitude taper, a Taylor amplitude taper, a cosine amplitude taper, and a binomial amplitude taper. ### Claim 6 (depends on 1) The system of claim 1, wherein the one or more processors determine the first interference level and the second interference level based on a determination that performance at the victim cell is below a predetermined threshold. ### Claim 7 (depends on 1) The system of claim 1, wherein the first interference level is determined during a first time period and the second interference level is determined during a second time period. ### Claim 8 A method for selecting an antenna amplitude taper to transmit wireless signals to a coverage area during an atmospheric condition, the method comprising: determining a first interference level at a victim cell when the wireless signals are transmitted to the coverage area from a set of antenna elements at the base station using a first amplitude taper; determining a second interference level at the victim cell when the wireless signals are transmitted to the coverage area from the set of antenna elements at the base station using a second amplitude taper; determining that the second interference level is less than the first interference level; upon determining that the second interference level is less than the first interference level, select the second amplitude taper to transmit the wireless signals to the coverage area from the set of antenna elements at the base station; and transmitting the wireless signals to the coverage area from the set of antenna elements at the base station using the second amplitude taper. ### Claim 9 (depends on 8) The method of claim 8, wherein the first interference level and the second interference level are determined by measuring a noise level in one or more uplink timeslots at the victim cell. ### Claim 10 (depends on 8) The method of claim 8, wherein an aperture of a primary beamform of the first amplitude taper is generally the same as an aperture of a primary beamform of the second amplitude taper. ### Claim 11 (depends on 8) The method of claim 8, wherein the first amplitude taper and the second amplitude taper are selected among a plurality of predetermined excitation radiation patterns provided to the set of antenna elements to form the first amplitude taper and the second amplitude taper. ### Claim 12 (depends on 8) The method of claim 8, wherein the first amplitude taper and the second amplitude taper comprises one or more of a Chebyshev amplitude taper, a Taylor amplitude taper, a cosine amplitude taper, and a binomial amplitude taper. ### Claim 13 (depends on 8) The method of claim 8, wherein the one or more processors determine the first interference level and the second interference level based on a determination that performance at the victim cell is below a predetermined threshold. ### Claim 14 (depends on 8) The method of claim 8, wherein the first interference level is determined during a first time period and the second interference level is determined during a second time period. ### Claim 15 One or more non-transitory computer-readable media having computer-executable instructions embodied thereon that, when executed, perform a method for selecting an antenna amplitude taper to transmit wireless signals to a coverage area from a base station during an atmospheric condition, the method comprising: determining a first interference level at a victim cell when the wireless signals are transmitted to the coverage area from a set of antenna elements at the base station using a first amplitude taper; determining a second interference level at the victim cell when the wireless signals are transmitted to the coverage area from the set of antenna elements at the base station using a second amplitude taper; determining that the second interference level is less than the first interference level; upon determining that the second interference level is less than the first interference level, select the second amplitude taper to transmit the wireless signals to the coverage area from the set of antenna elements at the base station; and transmitting the wireless signals to the coverage area from the set of antenna elements at the base station using the second amplitude taper. ### Claim 16 (depends on 15) The method of claim 15, wherein the first interference level and the second interference level are determined by measuring a noise level in one or more uplink timeslots at the victim cell. ### Claim 17 (depends on 15) The method of claim 15, wherein an aperture of a primary beamform of the first amplitude taper is generally the same as an aperture of a primary beamform of the second amplitude taper. ### Claim 18 (depends on 15) The method of claim 15, wherein the first amplitude taper and the second amplitude taper are selected among a plurality of predetermined excitation radiation patterns provided to the set of antenna elements to form the first amplitude taper and the second amplitude taper. ### Claim 19 (depends on 15) The method of claim 15, wherein the second amplitude taper is one or more of a Chebyshev amplitude taper, a Taylor amplitude taper, a cosine amplitude taper, and a binomial amplitude taper. ### Claim 20 (depends on 15) The method of claim 15, wherein the one or more processors determine the first interference level and the second interference level based on a determination that performance at the victim cell is below a predetermined threshold.