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WO2016036043A2 - Antenne omnidirectionnelle - Google Patents

Antenne omnidirectionnelle Download PDF

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Publication number
WO2016036043A2
WO2016036043A2 PCT/KR2015/008879 KR2015008879W WO2016036043A2 WO 2016036043 A2 WO2016036043 A2 WO 2016036043A2 KR 2015008879 W KR2015008879 W KR 2015008879W WO 2016036043 A2 WO2016036043 A2 WO 2016036043A2
Authority
WO
WIPO (PCT)
Prior art keywords
radiating element
omni antenna
ground plate
horizontally polarized
dielectric substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2015/008879
Other languages
English (en)
Korean (ko)
Other versions
WO2016036043A3 (fr
Inventor
신옐리코프유리
김상기
김상진
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GAMMANU CO Ltd
Original Assignee
GAMMANU CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GAMMANU CO Ltd filed Critical GAMMANU CO Ltd
Publication of WO2016036043A2 publication Critical patent/WO2016036043A2/fr
Publication of WO2016036043A3 publication Critical patent/WO2016036043A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines

Definitions

  • the present invention relates to an omni antenna, and more particularly, to a multi-band dual polarized omni antenna applicable to 4G LTE communication.
  • Repeater antennas used in wireless communication systems are classified into omnidirectional antennas and directional antennas according to the direction in which electromagnetic waves are radiated.
  • an omni antenna which is a kind of omnidirectional antenna, is used to be attached to a ceiling or a wall to transmit and receive electromagnetic waves in a sound region where a base station signal is weak, such as inside a building.
  • LTE Long Term Evolution
  • MIMO Multi Input Multi Output
  • omni antennas are in charge of both the low frequency band and the high frequency band and are required to be downsized.
  • an object of the present invention is to provide a miniaturized omni antenna that covers both the low frequency band and the high frequency band.
  • Omni antenna is formed on the ground plate, the vertical axis of the ground plate, a vertically polarized radiating element of the monocon type divided into a plurality of blades, spaced apart from the upper surface of the ground plate by a predetermined interval And a dielectric substrate having a penetrating portion through which the vertically polarized radiating element passes, and a plurality of horizontally polarized radiating elements formed on the dielectric substrate.
  • the plurality of horizontally polarized radiating elements may include a loop-type first horizontally polarized radiating element that is formed spaced apart from the penetrating portion by a predetermined interval and a loop type that is formed spaced apart from the first horizontal polarized radiating element by a predetermined interval. And a second horizontally polarized radiating element.
  • loop type first and second horizontally polarized radiating elements may be divided into a plurality of sectors.
  • first horizontal polarization radiating element may transmit and receive a high frequency band
  • second horizontal polarization radiating element may transmit and receive a low frequency band
  • the vertically polarized radiating element may be composed of four blades at a predetermined angle.
  • the apparatus may further include a first feed part connected to the vertical polarization radiating element, a 2-1 feed part connected to the first horizontal polarization radiating element, and a second-2 feed part connected to the second horizontal polarization radiating element.
  • the second feeder may further include a.
  • the second-2 feed part may be a common mode choke coil which is formed perpendicular to a space in which the ground plate and the dielectric substrate are spaced apart from each other.
  • the 2-1 feed unit and the 2-2 feed unit may be connected through a duplexer, and the duplexer may be formed on one surface of the ground plate.
  • the omni antenna may further include a radome inserted therein.
  • the omni antenna size can be miniaturized by forming the first horizontal polarized wave radiating element for the high frequency band and the second horizontal polarized wave radiating element for the low frequency band on one dielectric substrate.
  • the radiation pattern of the antenna has a non-directional characteristic, it is possible to efficiently cover a large space regardless of the direction.
  • FIG. 1 is a view showing a vertically polarized radiating element and a ground plate according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating a horizontally polarized radiating element and a dielectric substrate according to an exemplary embodiment.
  • FIG 3 is a view showing a feeder of the horizontally polarized radiating element according to an embodiment of the present invention.
  • FIG 4 is a view showing a bottom surface of the ground plate according to an embodiment of the present invention.
  • FIG. 5 is a view showing the overall appearance of the omni antenna according to an embodiment of the present invention.
  • first horizontally polarized radiating element 32 second horizontally polarized radiating element
  • FIG. 1 is a view showing a vertical polarization radiating element 10 and a ground plate 20 according to an embodiment of the present invention.
  • the vertically polarized radiating element 10 is formed on the vertical axis of the ground plate 20.
  • the vertically polarized radiating element 10 may be a wideband element that covers a wide frequency band of 698Mhz to 2700Mhz, and specifically, may be a monocon type radiating element.
  • the vertically polarized radiating element 10 of the monocon type is divided into a plurality of blades.
  • the vertically polarized radiating element 10 may be divided into four blades having a predetermined angle, and in FIG. 1, the blades are arranged in a square shape having a 90 ° angle with each other.
  • the distance between neighboring blades is the same and the distance between a pair of opposing blades is equal to the distance between another pair of opposing blades.
  • the imaginary line across the pair of opposing blades is orthogonal to the imaginary line across the other pair of opposing blades.
  • the entire vertical polarization can be configured to have a non-directional characteristic, even four blades are not arranged in a square shape, but arranged in a variety of shapes, Of course, you can have a specificity of directivity
  • the aforementioned first feed section 11 provides a feed signal to the vertically polarized radiating element 10 divided into a plurality of blades, it is possible to use a variety of feed means such as coaxial cable.
  • the ground plate 20 may use a reflecting plate, and may be implemented in various forms according to the shape of the omni antenna 100, such as a square or circular flat form, and is not limited to the circular form as shown in FIG.
  • FIG. 2 is a diagram illustrating a horizontally polarized radiating element 30 and a dielectric substrate 40 according to an embodiment of the present invention.
  • the dielectric substrate 40 may be embodied in the same square or circular plane form as the ground plate 20, and may be implemented in various forms in consideration of the shape of the omni antenna as a whole.
  • a through portion 41 through which the vertically polarized radiating element 10 penetrates is formed in the dielectric substrate 40, and a plurality of through portions 41 are formed according to the number of blades forming the vertically polarized radiating element 10. Can be formed.
  • the horizontally polarized radiating element 30 may be formed in a variety of shapes on the dielectric substrate, referring to Figure 2 it can be seen that formed in a loop type.
  • the horizontally polarized radiating element 30 is a loop-type first horizontal polarized radiating element 31 that transmits and receives a high frequency band of 1700 MHz to 2700 MHz and a second horizontal polarized radiation of a loop type that transmits and receives a low frequency band of 698 MHz to 960 MHz.
  • Element 32 may be configured.
  • the first horizontal polarization radiating element 31 may be formed to be spaced apart from the through part 31 formed in the dielectric substrate 40 by a predetermined interval. Specifically, referring to FIG. 2, it can be seen that the first horizontally polarized radiating element 31 is formed to surround the through part 31 through which four blades pass.
  • the second horizontally polarized radiating element 32 is formed to be spaced apart from the outside where the first horizontally polarized radiating element 31 is formed. Specifically, referring to FIG. 2, the second horizontally polarized radiating element 32 is formed to surround the first horizontally polarized radiating element 31 by being spaced apart by a predetermined interval to the outside where the first horizontally polarized radiating element 31 is formed. You can see that. This is because the second horizontally polarized radiating element 32 transmits and receives a low frequency band and thus has a length longer than that of the first horizontal polarized radiating element 31 that transmits and receives a high frequency band. As described above, since the first horizontal polarized wave radiating element 31 and the second horizontal polarized wave radiating element 32 are simultaneously formed on one dielectric substrate 40, the size of the entire omni antenna 100 can be reduced.
  • the loop type horizontally polarized radiating element 30 may be divided into a plurality of sectors.
  • both the first horizontal polarized wave radiating element 31 that transmits and receives a high frequency band and the second horizontal polarized wave radiating element 32 that transmits and receives a low frequency band may be divided into a plurality of sectors.
  • a plurality of sectors in which the first horizontal polarization radiating element 31 is divided and a plurality of sectors in which the second horizontal polarization radiating element 32 is divided are mutually adjacent to each other. Can be connected.
  • the number of divided sectors can be appropriately changed as necessary.
  • the horizontally polarized radiating element 30 is a 2-1 power supply unit for providing a feed signal to the first horizontal polarized radiating element 31 and the second to provide a feed signal to the second horizontal polarized radiating element 32.
  • the entire horizontal polarization may have a non-directional characteristic, which will be described in detail with reference to FIG. 3.
  • FIG 3 is a view showing a power supply unit of the horizontally polarized radiating element 30 according to an embodiment of the present invention.
  • the first horizontally polarized radiating element 31 is supplied with a feed signal through a balanced line connected to the second-first feeding unit 34 and the second horizontally polarized radiating element 32.
  • the feed signal is provided from each balanced line connected to the four second-2 feed units 35 formed at 90 ° to each other.
  • the first horizontal polarized wave radiating element 31 and the second horizontal polarized wave radiating element 32 are balanced lines connected to the second-first feed part 34 and the four second-second feed parts 35, respectively.
  • (Balanced Line) can be divided into four compartments, each of the divided compartments facing each other is provided with a feed signal having a phase difference of 180 °, the entire horizontal polarization has a non-directional characteristic.
  • the power supply unit of the horizontally polarized radiating element 30 will be described in more detail with reference to FIG. 4.
  • the 2-1 feed unit 34 and the 4-2-2 feed units 35 are connected through a duplexer 36 formed on the bottom surface of the ground plate 20.
  • the second feeder 33 is connected to the input terminal of the duplexer 36
  • the 2-1 feeder 34 is connected to the duplexer 36 as one output terminal
  • four second-class 2-2 The whole 35 is tied together by a plurality of power dividers and connected to another output of the duplexer 36.
  • the 2-2 power feeding portion 35 in the 12 o'clock position is referred to as the 2-2-1 power feeding portion 35-1, and the 2-2-2 and the 2-2- clockwise, respectively.
  • 2-2-4 power feeding part 35-2, 35-3, 35-4, the 2-2-1 power feeding part 35-1 and the 2-2-4 power feeding part 35 -4) is grouped together by the first power divider 37-1, and likewise, the second-2-2 feeder 35-2 and the second-2-3 feeder 35-3 are also second-owned. Tied together by a power divider 37-2. Finally, the first power divider and the second power divider are bundled together by the third power divider 37-3 and connected to the output terminal of the duplexer 36.
  • each of the second-2 feeders 35, which are bundled together by the power divider may be bundled in a different combination from that of FIG. 4 according to the arrangement of the duplexer 36.
  • the duplexer 36 may be formed not only on the bottom surface of the ground plate 20 but also on the top surface as shown in FIG. 4. That is, it may be formed on any one surface of the ground plate 20.
  • FIG. 4 illustrates that the first horizontal polarized wave radiating element 31 receives a feed signal through a balanced line connected to the 2-1 power feeding part 34, but the second horizontal polarized wave radiating element 31 is shown.
  • the power supply signal may be provided through four power supply units.
  • both the 2-1 power supply unit 34 and the 2-2 power supply unit 35 may be composed of various numbers of power supply units as necessary, as well as a coaxial cable or a common mode choke coil for power supply (Common It can be configured using various methods such as Mode Choking Coil).
  • FIG 5 is a view showing the overall appearance of the omni antenna 100 according to an embodiment of the present invention.
  • the vertically polarized radiating element 10 formed on the vertical axis of the ground plate 20 penetrates the through part 41 formed in the dielectric substrate 40 and finally forms the omni antenna 100.
  • the second-second feed part 35 may be formed vertically in the form of a common mode choke coil in a space where the ground plate 20 and the dielectric substrate 40 are separated from each other, and support the dielectric substrate 40. A plurality of support pillars may be included.
  • the power supply is connected to the input terminal of the first feeder 11 and the duplexer 36 for providing a feed signal to the vertically polarized radiating device 10, the second feeder for providing a feed signal to the horizontally polarized radiating device 30 Only the two feeders 33 are exposed to the outside.
  • the omni antenna 100 may further include a radome 50 is inserted therein.
  • the radome 50 may have a shape in which the center portion protrudes in order to prevent the vertically polarized radiating element 10 penetrating the dielectric substrate 40 from being exposed to the outside of the omni antenna 100.
  • the diameter of the radome 50 includes both the ground plate 20 and the dielectric substrate 40 and the diameter of the ground plate 20 and the dielectric substrate 40 to minimize the size of the omni antenna 100. It is desirable to form as close as possible.
  • the omni antenna 100 includes a vertical polarization radiating element 10 that covers a wide frequency band from a low frequency band to a high frequency band, a first horizontal polarization radiating element 31 that serves a high frequency band, and a low frequency. Since all of the second horizontally polarized radiating elements 32 in charge of the band are included, a 4G Long Term Evolution (LTE) communication network requiring a MIMO (Multi Input Multi Output) system may be satisfied. In addition, since the first horizontal polarization radiating element 31 and the second horizontal polarization radiating element 32 are formed on one dielectric substrate 40, the size of the omni antenna 100 can be reduced. In addition, since the polarization of the antenna has a non-directional characteristic, it is possible to efficiently cover a large space regardless of the direction.
  • LTE Long Term Evolution
  • MIMO Multi Input Multi Output

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)

Abstract

La présente invention concerne une antenne omnidirectionnelle caractérisée en ce qu'elle comprend : une plaque de masse; un élément rayonnant à polarisation verticale du type monocône formé sur un arbre vertical de la plaque de masse et divisé en une pluralité de lames; un substrat diélectrique formé à une distance prédéterminée de la surface supérieure de la plaque de masse, le substrat diélectrique comportant une partie de pénétration qui pénètre dans l'élément rayonnant à polarisation verticale; et une pluralité d'éléments rayonnants à polarisation horizontale formés sur le substrat diélectrique.
PCT/KR2015/008879 2014-09-05 2015-08-25 Antenne omnidirectionnelle Ceased WO2016036043A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140118782A KR101548915B1 (ko) 2014-09-05 2014-09-05 광대역 이중 편파 옴니 안테나
KR10-2014-0118782 2014-09-05

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WO2016036043A2 true WO2016036043A2 (fr) 2016-03-10
WO2016036043A3 WO2016036043A3 (fr) 2016-04-21

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KR (1) KR101548915B1 (fr)
WO (1) WO2016036043A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020244636A1 (fr) * 2019-06-06 2020-12-10 昆山瀚德通信科技有限公司 Antenne à double polarisation
WO2025175554A1 (fr) * 2024-02-23 2025-08-28 京东方科技集团股份有限公司 Antenne distribuée intérieure omnidirectionnelle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101888824B1 (ko) * 2017-02-21 2018-08-16 주식회사 에이스테크놀로지 기지국 안테나
US11101550B2 (en) 2017-02-21 2021-08-24 Ace Technologies Corporation Base station antenna
KR102583963B1 (ko) * 2018-02-28 2023-09-27 한국전자통신연구원 통신 시스템에서 이중 대역 평면형 안테나 및 그의 구조
CN112821068B (zh) * 2020-12-31 2023-08-15 Oppo广东移动通信有限公司 天线模组和客户前置设备
KR102645541B1 (ko) 2021-12-28 2024-03-08 한국전자통신연구원 다중 경로 신호 억압을 위한 안테나 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101104371B1 (ko) * 2010-06-08 2012-01-16 에스케이 텔레콤주식회사 옴니 안테나
JP5444167B2 (ja) * 2010-08-27 2014-03-19 電気興業株式会社 無指向性アンテナ
JP5593278B2 (ja) * 2011-01-21 2014-09-17 住友電気工業株式会社 多周波数共用アンテナ及びアンテナ装置
JP2012155969A (ja) * 2011-01-25 2012-08-16 Stanley Electric Co Ltd 車両用灯具
KR101315546B1 (ko) * 2011-09-01 2013-10-08 홍익대학교 산학협력단 메타물질 이중 대역 전방향성 원형편파 안테나

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020244636A1 (fr) * 2019-06-06 2020-12-10 昆山瀚德通信科技有限公司 Antenne à double polarisation
US11539145B2 (en) 2019-06-06 2022-12-27 Kunshan Hamilton Communication Technology Co., Ltd Dual-polarized antenna
WO2025175554A1 (fr) * 2024-02-23 2025-08-28 京东方科技集团股份有限公司 Antenne distribuée intérieure omnidirectionnelle

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Publication number Publication date
WO2016036043A3 (fr) 2016-04-21
KR101548915B1 (ko) 2015-09-01

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