WO2015068961A1 - 안테나 방사소자 및 다중대역 안테나 - Google Patents
안테나 방사소자 및 다중대역 안테나 Download PDFInfo
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- WO2015068961A1 WO2015068961A1 PCT/KR2014/009827 KR2014009827W WO2015068961A1 WO 2015068961 A1 WO2015068961 A1 WO 2015068961A1 KR 2014009827 W KR2014009827 W KR 2014009827W WO 2015068961 A1 WO2015068961 A1 WO 2015068961A1
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- radiation
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- cup
- reflector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/062—Two dimensional planar arrays using dipole aerials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
Definitions
- the present invention relates to an antenna suitable for use in a mobile communication base station (PCS, Cellular, IMT-2000, etc.) or a repeater, and more particularly, to an antenna radiating element suitable for implementing a dual polarization antenna and a multiband antenna using the same. will be.
- a multiband antenna such as a dual band antenna or a triple band antenna is indispensably required.
- the multi-band antenna has a structure in which the antenna of the high frequency band is inserted in the antenna installation space of the low frequency band in the same space, while reducing the interference effect between devices as much as possible, so that the antenna area, in particular, the width of the antenna can be efficiently designed do.
- Korean Patent Publication No. 10-2010-0033888 name: “double-band dual polarization antenna for mobile communication base station”
- the multiband antenna as disclosed in the above patent publication No. 10-2010-0033888 typically has at least a length in which the first radiation modules of the low frequency band and the second and / or third radiation modules of the high frequency band are upright in the longitudinal direction. It has a structure appropriately disposed on one reflector.
- the first radiation modules may be arranged in a vertical line
- the second and / or third radiation modules may be arranged in a vertical line, respectively, on the left and right sides of the first radiation elements.
- each of the first radiating modules and the second and third radiating modules is orthogonal to each other, which are generally combined in four directions of four radiating elements, and are generally aligned with +45 degrees and -45 degrees with respect to the vertical (or horizontal). It has a structure that generates two linear polarizations (ie, X polarizations).
- a radiating element covering a band in which the fractional band width is about 45% is provided.
- Such radiating elements may have operating characteristics, for example, in the band 1710-2690 MHz.
- an object of the present invention is to provide an antenna radiating element and a multi-band antenna to have a more optimized structure, to enable the optimization of the antenna size to bring ease of antenna design, and to have more stable characteristics. have.
- Another object of the present invention is to provide an antenna radiating element and a multi-band antenna to reduce the interference between the radiating elements, to narrow the width of the antenna more, or to facilitate the implementation of a multi-band antenna within a limited width. .
- a multi-band antenna in a multi-band antenna; A reflector providing a ground plane; A first radiation module for a first frequency band installed on the reflector; A second radiation module for a second frequency band which is installed to be stacked on the first radiation module;
- the first radiating module is composed of first to fourth radiating elements, which are configured to be symmetrically combined in a planar manner as a whole; Each of the first to fourth radiating elements comprises a cup-shaped radiation arm and a support for holding the radiation arm fixed to the reflector;
- the second radiation module is installed on each radiation arm of the first to fourth radiation elements;
- the bottom surface of the cup shape of each of the radiation arms of the first to fourth radiating elements is designed to have a predetermined area for providing a ground plane to the second radiation module installed on the upper side.
- the antenna radiating element; A radiation arm in the form of a cup; And a support for fixedly supporting the radiation arm on the reflector of the antenna.
- the cup form of each of the radiation arms of the radiating element is in the form of a cup that is stepped so that the upper part is wider and the lower part is narrow, and is generally a rectangular cup shape.
- the radiating element and the multi-band antenna according to the present invention has a more optimized structure, it is possible to optimize the antenna size can bring the ease of antenna design, and have a more stable characteristics. In particular, it is possible to reduce the interference between the radiating elements, to narrow the width of the antenna more, or to implement a multi-band antenna within a limited width.
- FIG. 1 is a planar structural diagram of an antenna radiating element and a multi-band antenna according to an embodiment of the present invention
- FIG. 2 is a side view of FIG. 1
- FIG. 3 is a perspective view of one of the radiating elements of the first radiation module of FIG.
- FIG. 4 is a cross-sectional view taken along the line A-A 'of the first radiation module of FIG.
- FIG. 5 is a schematic diagram showing an X polarization generation state of the first radiation module of FIG.
- FIG. 6 is a plan view of a multi-band antenna according to other embodiments of the present invention.
- FIG. 1 is a planar structural diagram of an antenna radiating element and a multi-band antenna according to an embodiment of the present invention
- FIG. 2 is a side view of FIG. 1
- FIG. 3 is a radiating element of one of the first radiating modules of FIG.
- Figure 4 is a cross-sectional view taken along the line A-A 'of the first radiation module in Figure 1
- Figure 5 is a schematic diagram showing the X polarization generation state of the first radiation module in Figure 1
- one first radiation module 10 11, 12, 13, 14 on one reflector plate 5
- 1, 20-2, 20-3, and 20-4 are shown as an example of a multi-mode antenna having a structure installed.
- a multi-mode antenna is for a first frequency band (for example, 698 to 960 MHz band) installed on a reflector 5 serving as a ground plane.
- the first radiation module 10 is basically provided.
- the first radiation module 10 is configured by combining the first to fourth radiation elements 11, 12, 13, and 14 symmetrically on a plane as a whole, and each of the first to fourth radiation elements 11 and 12. , 13, 14 is configured to include a cup-shaped radiation arm (110, 120, 130, etc.) and the support (112, 122, 132, etc.) for supporting the radiation arm.
- the first to fourth radiating elements 11, 12, 13, and 14 may have only the same structure in different arrangement directions and positions.
- the radiation arms 110 (110a, 110b) of the first radiating element 11 may have a cup shape in which the upper portion 110a is wide and the lower portion 110b is narrowed, and the cup shape is generally square. Can be.
- the radiation arms 120, 130, etc. of the second to fourth radiation arms 12, 13, 14, and the support bases 122, 132, etc. are similarly comprised.
- the first to fourth radiation arms 11, 12, 13, 14 are, for example, portions corresponding to upper right, lower right, lower left and upper left, respectively, in the overall form of the first radiation module 10.
- FIG. The structure is formed sequentially.
- the first feed line 31 of the stripline structure is the first and third radiation element (11, 13 is installed to be supported by the supports 112 and 132 of the first and third radiating elements 11 and 13 so as to transmit a signal to the radiation arms 110 and 130 in a non-contact coupling manner
- the second feed line 32 Is connected to the support base 122 of the second and fourth radiating elements 12 and 14 to transmit a signal in a non-contact coupling manner with the radiation arms 120 and the like of the second and fourth radiating elements 12 and 14. It is installed to be supported. Since each support (112, 122, 132, etc.) electrically acts as a ground end for the stripline, the length of each support is designed according to ⁇ / 4 of the wavelength of the corresponding processing signal, thus opening (grounded) To be
- each support (112, 122, 132, etc.) is formed with a parallel surface configured to maintain a predetermined separation distance while facing the stripline of the first, second feed line (31, 32), each Between the parallel surfaces of the supports 112, 122, 132, etc., and the strip lines of the first and second feed lines 31, 32 support appropriate feed lines and maintain a constant spacing of the feed lines and the supports.
- Spacers 41, 42, 43, and 44 of the structure may be installed at preset positions.
- the radiation arm 110 of the first radiating element 11 and the radiation arm 130 of the third radiating element 13 are the entire first radiating element.
- +45 degrees polarization is formed relative to the vertical axis, and the radiation arms 120 and the like of the second and fourth radiating elements 12 and 14 form -45 degrees polarization. .
- Etc. includes a second radiation module 20-1, 20-2, 20- that generates X polarization for a first frequency band (for example, a wide band of 1710 to 2690 MHz band) according to an embodiment of the present invention. 3, 20-4) are installed respectively.
- Each of the second radiation modules 20-1, 20-2, 20-3, and 20-4 may be implemented by adopting conventional radiation elements provided in various structures, such as a dipole type.
- the second radiation module 20-3 is installed at the center of the bottom surface of the cup-shaped radiation arm 130 of the second radiation element 13.
- the radiation arm The bottom surface of the 130 is installed and fixed to the corresponding second radiation module (20-3) by screw coupling, and also a plurality of screw holes for the power supply line installation of the second radiation module (20-3) ( 134 is shown.
- the radiation arms 110, 120, 130, etc. of the first to fourth radiating elements 11-14 have a cup shape.
- a sufficient ground plane is provided to the second radiation modules 20-1, 20-2, 20-3, and 20-4, in which the bottom surface of the cup-shaped large area is installed on the upper side. If it is possible to consider installing the above and the second radiation module stacked on top of the first radiation module in order to reduce the overall size of the antenna, the practical difficulty is that it cannot give sufficient ground characteristics to the second radiation module. Is the point.
- Ground plane symmetry of the radiating element is a very important factor in the radiation pattern characteristics, in the present invention to solve this problem through the radiating element of each cup type of the first radiating module as described above.
- the second radiation module 20-1 serves to eliminate (or reduce) the influence of the first radiation module 10 on the two radiation modules 20-1, 20-2, 20-3, and 20-4. , 20-2, 20-3, 20-4) is stable and helps to make the beam width of the radiation pattern symmetrical.
- cup shape of the radiation arms (110, 120, 130, etc.) of each of the first to fourth radiating elements (11-14) may have a simple shape, in the present embodiment, the upper portion (110a, 120a, 130a, etc.) It can be seen that the wider, the lower portion (110b, 120b, 130b, etc.) has a narrow cup shape.
- the optimized radiation pattern can be formed according to the radiation characteristics of the first radiation module 10 and the second radiation module 20, for example, the bottom of the cup shape (110b, 120b, 130b, etc.) Is designed in consideration of the distance from the second radiation module 20 so that the radiation characteristics of the second radiation module (20-1, 20-2, 20-3, 20-4) installed therein can be optimized,
- the upper portion of the cup form (110a, 120a, 130a, etc.) is designed in consideration of the distance from the other radiation module (radiation arm) of the first installed around.
- the second radiation module 20 may be stacked on the first radiation module 10 of the present invention.
- the radiation elements of the first radiation module having a relatively low frequency band may be formed in the first radiation module 10. It can be seen that while acting as a radiating element of the frequency band, and serves as the ground of the second radiating module. That is, the radiating elements of the first radiating module serve as the reflecting plate of the second radiating module.
- FIG. 6 is a plan view of a multi-band antenna according to other embodiments of the present invention.
- FIG. 6A illustrates a structure in which a plurality of second radiation modules are stacked, which may have the same structure as that illustrated in FIGS. 1 to 5.
- a structure in which one radiation module 10-1, 10-2, 10-3, 10-4, 10-5, etc., is disposed on the reflector 5 at a proper distance from each other vertically is shown.
- the interval between the first radiation modules is appropriately set in consideration of the radiation characteristics of the first radiation module and the radiation characteristics of the second radiation module as a whole.
- Figure 6 (b) has a first radiation in which a plurality of second radiation module is stacked, which may have the same structure as the structure shown in Figures 1 to 5
- a structure is shown in which the modules 10-1, 10-2, 10-3, 10-4, 10-4, etc. are disposed on the reflecting plate 5 at a proper distance from each other vertically.
- the spacing between the first radiation modules is appropriately set in consideration of the overall radiation characteristics of the first radiation modules and the second radiation modules.
- first radiation modules are arranged in a single column on a single reflective plate
- first radiation module in another embodiment of the present invention, It may have a structure in which a plurality of vertically arranged in two or more columns.
- all or at least some of the first radiation modules may be installed to stack the second radiation modules.
- the second radiation module is always installed on the first radiation module in a form in which the stack is described as an example, but it is indicated by reference numeral 10-6 in FIG. 6A, and FIG. 6B. As shown by reference numeral 10-5, the second radiation module is not stacked, it may be possible to be installed alone the first radiation module.
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Abstract
Description
Claims (7)
- 안테나 방사소자에 있어서,컵 형태의 방사 암(arm)과;상기 방사 암을 상기 안테나의 반사판 상에 고정되게 지지하는 지지대를 포함함을 특징으로 하는 방사소자.
- 제1항에 있어서, 상기 방사 암의 컵 형태는,상부가 넓게 하부가 좁아지게 단차진 컵 형태이며,전체적으로 사각형의 컵 형태임을 특징으로 하는 방사소자.
- 제2항에 있어서, 안테나 방사소자는,상기 안테나의 반사판 상에 4개소에서, 전체적으로 평면상 사방 대칭적으로 구성됨을 특징으로 하는 방사소자.
- 다중대역 안테나에 있어서,그라운드 평면을 제공하는 반사판과;상기 반사판 상에 설치되는 제1주파수 대역용 제1방사모듈과;상기 제1방사모듈 상에 적층되게 설치되는 제2주파수 대역용 제2방사모듈을 포함하며;상기 제1방사모듈은 전체적으로 평면상 사방 대칭적으로 조합되어 구성되는 제1 내지 제4방사소자로 구성되며;상기 제1 내지 제4방사소자는 각각 컵 형태의 방사 암(arm)과, 상기 방사 암을 상기 반사판에 고정되게 지지하는 지지대를 포함하여 구성되며;상기 제2방사모듈은 상기 제1 내지 제4방사소자의 각 방사 암에 설치되며;상기 제1 내지 제4방소사의 상기 각 방사 암의 컵 형태의 밑면은 상측에 설치되는 상기 제2방사모듈에 그라운드 평면을 제공하기 위한 미리 설정된 면적을 가지도록 설계됨을 특징으로 하는 다중대역 안테나.
- 제4항에 있어서, 상기 제1 내지 제4방사소자의 각각의 방사 암의 컵 형태는,상부가 넓게 하부가 좁아지게 단차진 컵 형태이며,전체적으로 사각형의 컵 형태임을 특징으로 하는 다중대역 안테나.
- 제4항 또는 제5항에 있어서,상기 제2방사모듈이 적층되는 상기 제1방사모듈은 상기 반사판 상에 수직 배열로 다수개 배치됨을 특징으로 하는 다중대역 안테나.
- 제6항에 있어서, 상기 다수개 배치되는 제1방사모듈 사이에, 상기 제2주파수 대역용 방사모듈이 상기 반사판 상에 추가적으로 더 설치됨을 특징으로 하는 다중대역 안테나.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14859690.1A EP3067985B1 (en) | 2013-11-05 | 2014-10-20 | Antenna radiation element and multiband antenna |
ES14859690T ES2851334T3 (es) | 2013-11-05 | 2014-10-20 | Elemento de radiación de antena y antena multibanda |
JP2016527436A JP6240765B2 (ja) | 2013-11-05 | 2014-10-20 | アンテナ放射素子及び多重帯域アンテナ |
CN201480060285.6A CN105706298B (zh) | 2013-11-05 | 2014-10-20 | 天线放射元件及多频带天线 |
US15/143,888 US10230175B2 (en) | 2013-11-05 | 2016-05-02 | Antenna radiation element and multiband antenna |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020130133571A KR101756112B1 (ko) | 2013-11-05 | 2013-11-05 | 안테나 방사소자 및 다중대역 안테나 |
KR10-2013-0133571 | 2013-11-05 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/143,888 Continuation US10230175B2 (en) | 2013-11-05 | 2016-05-02 | Antenna radiation element and multiband antenna |
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WO2015068961A1 true WO2015068961A1 (ko) | 2015-05-14 |
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PCT/KR2014/009827 WO2015068961A1 (ko) | 2013-11-05 | 2014-10-20 | 안테나 방사소자 및 다중대역 안테나 |
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US (1) | US10230175B2 (ko) |
EP (1) | EP3067985B1 (ko) |
JP (1) | JP6240765B2 (ko) |
KR (1) | KR101756112B1 (ko) |
CN (1) | CN105706298B (ko) |
ES (1) | ES2851334T3 (ko) |
WO (1) | WO2015068961A1 (ko) |
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CN107317120A (zh) * | 2017-07-06 | 2017-11-03 | 安谱络(苏州)通讯技术有限公司 | 一种紧凑型双极化多频天线、阵列及其构造方法 |
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CN112106257B (zh) * | 2018-05-10 | 2024-06-07 | 株式会社Kmw | 双极化天线以及天线阵列 |
KR102607522B1 (ko) * | 2018-06-20 | 2023-11-29 | 삼성전자 주식회사 | 복수개의 방사체를 포함하는 안테나 모듈 및 이를 포함하는 기지국 |
KR102125803B1 (ko) * | 2019-05-10 | 2020-06-23 | 주식회사 에이스테크놀로지 | 불요 공진 억제 기능을 가지는 기지국 안테나 방사체 |
GB2587229B (en) * | 2019-09-20 | 2023-12-06 | Airspan Ip Holdco Llc | A dipole antenna apparatus and method of manufacture |
US11431104B2 (en) * | 2020-07-06 | 2022-08-30 | Huawei Technologies Co., Ltd. | Antenna array with self-cancelling conductive structure |
CN112186333B (zh) * | 2020-09-29 | 2021-06-25 | 华南理工大学 | 基站天线、辐射单元及辐射臂 |
USD964971S1 (en) * | 2021-01-15 | 2022-09-27 | Avery Dennison Retail Information Services, Llc | Antenna |
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Also Published As
Publication number | Publication date |
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ES2851334T3 (es) | 2021-09-06 |
US10230175B2 (en) | 2019-03-12 |
JP6240765B2 (ja) | 2017-11-29 |
EP3067985A1 (en) | 2016-09-14 |
EP3067985B1 (en) | 2020-11-25 |
US20160248171A1 (en) | 2016-08-25 |
JP2016535512A (ja) | 2016-11-10 |
EP3067985A4 (en) | 2017-07-19 |
KR101756112B1 (ko) | 2017-07-11 |
CN105706298A (zh) | 2016-06-22 |
KR20150051718A (ko) | 2015-05-13 |
CN105706298B (zh) | 2021-09-07 |
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