# US 12,224,505 B2 · Antenna and base station > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,505 B2 - Document ID: US12224505B2 - Status: Granted - Kind: B2 - Application number: 17/949,341 - Filed: 2022-09-21 - Published: 2023-03-23 - Granted: 2025-02-11 - Earliest claimed: 2021-09-22 - Assignees: Nokia Shanghai Bell Co., Ltd. - Applicants: Nokia Shanghai Bell Co., Ltd. - Inventors: Wenmin Yang; Qiang Liu - Web page: https://patentgrep.com/patent/US12224505B2 ## CPC - H01Q 9/0421: {with a shorting wall or a shorting pin at one end of the element (H01Q9/0414 takes precedence)} - H01Q 1/246: {specially adapted for base stations} - H01Q 1/36: Structural form of radiating elements, e.g. cone, spiral, umbrella; {Particular materials used therewith}(H01Q1/08, H01Q1/14 take precedence) - H01Q 1/421: {Means for correcting aberrations introduced by a radome} - H01Q 1/521: {reducing the coupling between adjacent antennas} - H01Q 5/42: using two or more imbricated arrays (H01Q5/49 takes precedence) - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract The antenna includes a plurality of radiating units arranged by column and including a plurality of radiating bodies and a reflecting plate which is configured to reflect a portion of electromagnetic waves radiated by the plurality of radiating bodies, such that the electromagnetic waves are radiated in a radiation orientation; and a dielectric component arranged in the radiation orientation of at least one radiating unit of the plurality of radiating units and including an undulating portion spaced apart from the at least one radiating unit by a distance, wherein a first undulating structure is provided on a lower surface of the undulating portion at least facing the at least one radiating unit in a transverse direction, the transverse direction being vertical to the column and parallel to the reflecting plate. ## Claims ### Claim 1 An antenna, comprising: a plurality of radiating units arranged by column and comprising a plurality of radiating bodies and a reflecting plate which is configured to reflect a portion of electromagnetic waves radiated by the plurality of radiating bodies, such that the electromagnetic waves are radiated in a radiation orientation; and a dielectric component arranged in the radiation orientation of at least one radiating unit of the plurality of radiating units and comprising an undulating portion spaced apart from the at least one radiating unit by a distance, wherein a first undulating structure includes at least two adjacent first undulating units is provided on a lower surface of the undulating portion at least facing the at least one radiating unit in a transverse direction, the transverse direction being vertical to the column and parallel to the reflecting plate, wherein a second undulating structure includes at least two adjacent second undulating units is provided on an upper surface of the undulating portion away from the at least one radiating unit in the transverse direction, and wherein the second undulating structure and the first undulating structure have a same shape and dimension, such that the dielectric component has a uniform thickness. ### Claim 2 (depends on 1) The antenna of claim 1, wherein the dimension of the undulating portion is related to radiation frequency of the at least one radiating unit. ### Claim 3 (depends on 1) The antenna of claim 1, wherein the distance is an integer multiple of ¼ of a radiation wavelength of the at least one radiating unit. ### Claim 4 (depends on 1) The antenna of claim 1, wherein the undulating portion comprises: a plurality of undulating units arranged along the transverse direction and each extending along the column, and wherein a width of each of the plurality of undulating units in the transverse direction is inversely proportional to a central frequency of a radiation band of the at least one radiating unit. ### Claim 5 (depends on 4) The antenna of claim 4, wherein an undulating unit of the plurality of undulating units comprises: a pair of inclined segments at a predetermined angle to each other, wherein the predetermined angle is related to a band of the at least one radiating unit and the distance. ### Claim 6 (depends on 1) The antenna of claim 1, wherein a height of the undulating portion is inversely proportional to a central frequency of a radiation band of the at least one radiating unit. ### Claim 7 (depends on 1) The antenna of claim 1, wherein a sectional shape of the undulating portion comprises at least one of triangular wave shape, trapezoidal wave shape and sinusoidal wave shape. ### Claim 8 (depends on 1) The antenna of claim 1, wherein the at least one radiating unit is a high-frequency radiating unit of the plurality of radiating units. ### Claim 9 (depends on 1) The antenna of claim 1, further comprising: an antenna radome arranged in the radiation orientation to cover the plurality of radiating units. ### Claim 10 (depends on 9) The antenna of claim 9, wherein the dielectric component is arranged inside the antenna radome or as at least a part of the antenna radome. ### Claim 11 (depends on 1) The antenna of claim 1, wherein the dielectric component is supported on the reflecting plate. ### Claim 12 (depends on 1) A base station, comprising at least one antenna of claim 1.