WO2014127540A1 - Antenne électromagnétique dipôle - Google Patents

Antenne électromagnétique dipôle Download PDF

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Publication number
WO2014127540A1
WO2014127540A1 PCT/CN2013/071831 CN2013071831W WO2014127540A1 WO 2014127540 A1 WO2014127540 A1 WO 2014127540A1 CN 2013071831 W CN2013071831 W CN 2013071831W WO 2014127540 A1 WO2014127540 A1 WO 2014127540A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
oscillator
horizontal
resonant circuit
vertical electric
Prior art date
Application number
PCT/CN2013/071831
Other languages
English (en)
Chinese (zh)
Inventor
罗伟
彭宏利
赵建平
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201380000197.2A priority Critical patent/CN104247150A/zh
Priority to PCT/CN2013/071831 priority patent/WO2014127540A1/fr
Publication of WO2014127540A1 publication Critical patent/WO2014127540A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole

Definitions

  • Embodiments of the present invention relate to antenna technologies, and in particular, to a frequency band broadened electromagnetic coupling antenna. Background technique
  • Embodiments of the present invention provide an electromagnetic coupling antenna to meet the requirements of communication broadband.
  • An electromagnetic dipole antenna provided by an embodiment of the present invention includes a metal ground and an antenna radiating unit disposed on the metal ground, and the antenna radiating unit includes a vertical electric vibrator, a horizontal magnon, and a parasitic unit, and the vertical electric vibrator and the
  • the horizontal magnetic oscillator constitutes a first resonant circuit
  • the parasitic unit and the horizontal magnetic oscillator constitute a second resonant circuit
  • a difference between a resonant frequency of the first resonant circuit and a resonant frequency of the second resonant circuit is less than a preset a threshold such that the first resonant tank and the second resonant loop form a resonant tank with a widened band.
  • the horizontal magnetic vibrator is fixed to the vertical electric vibrator
  • the parasitic unit is fixed above the horizontal magnon.
  • the horizontal magnon and the parasitic unit are fixed on a metal post, and one end of the metal post is fixed on the metal ground.
  • the horizontal magnon is a disc-shaped structure whose surface is covered with a metal layer.
  • the vertical electric oscillator includes a distribution below the horizontal magnetic vibrator and is fixed on the metal ground. At least two vertical oscillator units.
  • each of the vertical electric vibrators is a T-shaped structure
  • the T-shaped structure includes a disc-shaped conductor structure and a metal rod-shaped structure
  • the metal rod-shaped structure One end of the metal rod-like structure is horizontally disposed on the metal ground, and the other end of the metal rod-like structure is horizontally disposed.
  • the electromagnetic coupling between the vertical and horizontal magnetic oscillators is achieved by a medium.
  • the distance D between the parasitic element and the horizontal magnetic vibrator satisfies 0.02 ⁇ D ⁇ 0.06 / 1 , where A is the wavelength corresponding to the center frequency.
  • the size of the parasitic element is smaller than the size of the horizontal magnetic vibrator.
  • the parasitic unit is a disk-like structure or a polygonal sheet-like structure.
  • the parasitic unit and the horizontal magnetic vibrator constitute a second resonant circuit, and the resonant frequency of the first resonant circuit formed by the vertical electric vibrator and the horizontal magnetic vibrator and the second resonance
  • the difference between the resonant frequencies of the loops is less than a preset threshold, so that the first resonant tank and the second resonant loop form a resonant circuit with a widened band, thereby realizing a band-widened electromagnetic coupling antenna, thereby adapting to communication broadband Demand.
  • FIG. 1 is a schematic overall structural view of an embodiment of an electromagnetic coupling antenna according to the present invention.
  • FIG. 2 is a schematic top plan view of the electromagnetic coupling antenna shown in FIG. 1;
  • FIG. 3 is a schematic cross-sectional structural view of the electromagnetic coupling antenna shown in FIG. 1;
  • FIG. 4 is a schematic structural view of a vertical electric vibrator in the electromagnetic dipole antenna shown in FIG. 1.
  • FIG. 5 is a schematic diagram showing a comparison of an antenna port reflection coefficient of an embodiment of an electromagnetic dipole antenna of the present invention and a conventional electromagnetic dipole antenna.
  • An embodiment of the present invention provides an electromagnetic coupling antenna, which includes a metal ground and an antenna radiating unit disposed on the metal ground, wherein the antenna radiating unit may include a vertical electric vibrator, a horizontal magnon, and a parasitic unit, and the vertical electric
  • the vibrator and the horizontal magnetic vibrator may constitute a first resonant circuit
  • the parasitic unit and the horizontal magnetic vibrator may constitute a second resonant circuit, and a difference between a resonant frequency of the first resonant circuit and a resonant frequency of the second resonant circuit is less than a preset threshold, so that The first resonant tank and the second resonant loop form a resonant tank with a broadened band.
  • the electromagnetic coupling antenna is a novel antenna based on the complementary of the electric coupling pole and the magnetic coupling pole.
  • the electromagnetic dipole antenna may include a metal ground and an antenna radiating unit disposed on the metal ground, and the metal ground may be a conductive metal plate, and the antenna radiating unit may include a vertical electric vibrator and a horizontal magnetic vibrator.
  • the vertical electric vibrator and the horizontal magnetic vibrator may constitute a first resonant circuit.
  • the antenna radiating element of the embodiment of the present invention may further include a parasitic unit that forms a second resonant loop with the horizontal magnetic vibrator. The resonant frequency of the second resonant circuit is very close to the resonant frequency of the first resonant circuit.
  • the difference between the two resonant frequencies may be less than a preset threshold, so that the first resonant circuit and the second resonant circuit form a resonant circuit with a widened band.
  • the working principle of the electromagnetic dipole antenna of this embodiment is as follows: a plurality of excitation sources excite a plurality of vertical electric vibrators, and the vertical electric vibrators are electromagnetically coupled to the horizontal magnetic vibrators through the medium, through the vertical electric vibrators and the horizontal magnetic vibrators The first resonant circuit realizes the first-stage electromagnetic energy radiation, and the horizontal magnetic vibrator is electromagnetically coupled to the parasitic unit through the medium, and the second-stage electromagnetic energy radiation is realized by the second resonant circuit between the horizontal magnetic vibrator and the parasitic unit.
  • the electromagnetic coupling between the vertical electric vibrator and the horizontal magnon can be electromagnetically coupled through air or through other media.
  • electromagnetic coupling between the horizontal magnon and the parasitic element can be achieved either by air or by other media.
  • the above-mentioned preset threshold value may float within a certain range as long as it can ensure that the first resonant circuit and the second resonant circuit can form a resonant circuit with a widened band.
  • those skilled in the art can design the parasitic cells by themselves according to the needs, so as to meet the similar requirements of the resonant frequencies of the two resonant circuits.
  • the horizontal magnetic vibrator may be fixed above the vertical electric vibrator to form a first resonant circuit, so that the vertical electric vibrator may be differentially fed to the horizontal magnetic vibrator by air coupling or other medium coupling mode when participating in the radiation.
  • the parasitic unit may be fixed above the horizontal magnetic vibrator to form a second resonant circuit, so that the horizontal magnetic vibrator may differentially feed the parasitic unit in an air coupling manner or other medium coupling manner when participating in the radiation, thereby causing two
  • the resonant circuits form a resonant circuit with a broadened band.
  • the horizontal magnon and the parasitic unit may be fixed on the metal ground by the metal post, that is, one end of the metal post is fixed on the metal ground, and the horizontal magnon and the parasitic unit may be fixed to the other end of the metal post through the metal post, and parasitic The unit is fixed directly above the horizontal magnon.
  • FIG. 1 is a schematic overall structural view of an embodiment of an electromagnetic coupling antenna of the present invention
  • FIG. 2 is a schematic top view of the electromagnetic coupling antenna of FIG. 1
  • FIG. 3 is a cross-sectional structure of the electromagnetic coupling antenna of FIG.
  • FIG. 4 is a schematic structural view of a vertical electric vibrator in the electromagnetic coupling antenna shown in FIG. 1.
  • the electromagnetic coupling antenna of this embodiment includes a metal ground 1 and an antenna radiating unit 2.
  • the antenna radiating unit 2 may include a vertical electric vibrator 21, a horizontal magnon 22, and a parasitic unit 23.
  • the metal ground 1 may be a square planar structure, and the size may be, for example, 150 mm (long). 150mm (width) x lmm (thickness).
  • the vertical electric vibrator 21 may include at least four vertical electric oscillator units 211 distributed under the horizontal magnetic vibrator 22 and fixed on the metal ground 1.
  • each vertical electric oscillator unit 211 it is a T-shaped structure including a disk-shaped conductor structure 211a and a metal rod-like structure 211b, one end of which is fixed on the metal ground 1, and the metal rod-shaped structure 211b The other end is horizontally provided with a disk-shaped conductor structure 211a.
  • the metal rod-like structure 211b may, for example, be a cylinder having a radius of 1.29 mm and may have a height of, for example, 17.6 mm.
  • the disk-shaped conductor structure 211a may be, for example, a disk having a radius of 5.3 mm and a thickness of 0.5 mm. It should be noted that only four implementations of the vertical distribution of the vertical oscillating unit 211 are shown in FIG. 4, and those skilled in the art can understand that the number of vertical oscillating unit 211 included in the vertical oscillating unit 21 can be based on It needs to be adjusted by itself, and its distribution mode and specific structure can also be adjusted appropriately. This embodiment is not limited.
  • the horizontal magnetic vibrator 22 may be a metal disk-like structure or a disk-like structure whose surface is covered with a metal layer.
  • the parasitic unit 23 may be a disk-like structure. Alternatively, the parasitic unit 23 may also be a polygonal sheet-like structure.
  • the horizontal magnetic vibrator 22 and the parasitic unit 23 may be fixed above the respective vertical electric oscillator units 211 by the metal posts 3, and the parasitic unit 23 is fixed above the horizontal magnetic vibrators 22.
  • the distance D between the parasitic element 23 and the horizontal magnon 22 can satisfy 0.02 ⁇ D ⁇ 0.06/1, where A is the wavelength corresponding to the center frequency.
  • the distance D between the parasitic unit 23 and the horizontal magnon 22 can be set to 0.025.
  • the size of the parasitic unit 23 is smaller than the size of the horizontal magnon 22.
  • the diameter of the parasitic element 23 is smaller than the radius of the horizontal magnon 22 by 2.6 mm.
  • FIG. 5 is a schematic diagram showing a comparison of an antenna port reflection coefficient of an embodiment of an electromagnetic coupling antenna of the present invention and a conventional electromagnetic coupling antenna.
  • FIG. 5 shows that after a parasitic element is added to the electromagnetic coupling antenna, In the frequency range of 1.71 GHz to 2.17 GHz, the reflection coefficients of the antenna ports are all reduced to below -14 dB, which satisfies the macrocell VSWR bandwidth requirement, thereby achieving band broadening.
  • the present invention is not limited to the specific electromagnetic coupling antenna structure described above, and those skilled in the art can also add a parasitic unit to the existing electromagnetic coupling antenna, as long as the formation between the parasitic unit and the horizontal magnetic vibrator is ensured.
  • the second resonant tank and the first resonant circuit formed by the vertical electric vibrator and the horizontal magnetic vibrator may constitute a resonant circuit having a widened frequency.
  • Embodiments of the present invention add parasitic elements to the antenna radiating element, and the parasitic unit and the water
  • the flat magnetic oscillator constitutes a second resonant circuit, and a difference between a resonant frequency of the first resonant circuit formed by the vertical and horizontal magnetic oscillators and a resonant frequency of the second resonant circuit is less than a preset threshold, thereby causing the first resonant circuit and the
  • the second resonant circuit forms a resonant circuit with a widened band, thereby realizing a band-widened electromagnetic coupling antenna, thereby adapting to the demand for communication broadband.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

L'invention concerne une antenne électromagnétique dipôle comprenant une masse métallique et une unité de rayonnement d'antenne agencée sur la masse métallique. L'unité de rayonnement d'antenne comprend un vibrateur électrique vertical et un vibrateur magnétique horizontal, et une unité parasite. Le vibrateur électrique vertical et le vibrateur magnétique horizontal forment une première boucle de résonance, l'unité parasite et le vibrateur magnétique horizontal formant une seconde boucle de résonance, et la différence entre la fréquence de résonance de la première boucle de résonance et celle de la seconde boucle de résonance est inférieure à une valeur seuil prédéfinie de telle sorte que la première boucle de résonance et la seconde boucle de résonance forment une boucle de résonance à bande étalée. Le mode de réalisation de l'invention permet de réaliser une antenne électromagnétique dipôle à bande étalée, puis d'adapter la demande en largeur de bande de communication.
PCT/CN2013/071831 2013-02-25 2013-02-25 Antenne électromagnétique dipôle WO2014127540A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380000197.2A CN104247150A (zh) 2013-02-25 2013-02-25 电磁耦极子天线
PCT/CN2013/071831 WO2014127540A1 (fr) 2013-02-25 2013-02-25 Antenne électromagnétique dipôle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/071831 WO2014127540A1 (fr) 2013-02-25 2013-02-25 Antenne électromagnétique dipôle

Publications (1)

Publication Number Publication Date
WO2014127540A1 true WO2014127540A1 (fr) 2014-08-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/071831 WO2014127540A1 (fr) 2013-02-25 2013-02-25 Antenne électromagnétique dipôle

Country Status (2)

Country Link
CN (1) CN104247150A (fr)
WO (1) WO2014127540A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106450770A (zh) * 2015-08-10 2017-02-22 华为技术有限公司 一种天线及小型化通信设备
WO2018010817A1 (fr) * 2016-07-15 2018-01-18 Huawei Technologies Co., Ltd. Élément rayonnant, système comprenant l'élément rayonnant et procédé de fonctionnement de l'élément rayonnant ou du système
CN114725662A (zh) * 2022-04-28 2022-07-08 安徽大学 一种基于磁振子和电振子的微带馈电平面圆极化天线

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002217636A (ja) * 2001-01-23 2002-08-02 Hitachi Cable Ltd ダイポールアンテナ
CN102437408A (zh) * 2011-08-26 2012-05-02 北京华力创通科技股份有限公司 八角平板型阵列天线
CN102804495A (zh) * 2009-06-11 2012-11-28 阿尔卡特朗讯 天线辐射单元
CN102882004A (zh) * 2012-06-29 2013-01-16 华为技术有限公司 一种电磁耦极子天线

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006222873A (ja) * 2005-02-14 2006-08-24 Tohoku Univ アンテナ、通信装置及びアンテナの製造方法
US7830320B2 (en) * 2007-08-20 2010-11-09 Ethertronics, Inc. Antenna with active elements
KR101044520B1 (ko) * 2008-11-21 2011-06-27 엘에스산전 주식회사 역전류를 이용하여 자계를 형성하는 역전류 안테나
CN102437416A (zh) * 2011-08-25 2012-05-02 电子科技大学 一种带有寄生单元的宽带低交叉极化印刷偶极子天线

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002217636A (ja) * 2001-01-23 2002-08-02 Hitachi Cable Ltd ダイポールアンテナ
CN102804495A (zh) * 2009-06-11 2012-11-28 阿尔卡特朗讯 天线辐射单元
CN102437408A (zh) * 2011-08-26 2012-05-02 北京华力创通科技股份有限公司 八角平板型阵列天线
CN102882004A (zh) * 2012-06-29 2013-01-16 华为技术有限公司 一种电磁耦极子天线

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106450770A (zh) * 2015-08-10 2017-02-22 华为技术有限公司 一种天线及小型化通信设备
CN106450770B (zh) * 2015-08-10 2020-04-03 华为技术有限公司 一种天线及小型化通信设备
WO2018010817A1 (fr) * 2016-07-15 2018-01-18 Huawei Technologies Co., Ltd. Élément rayonnant, système comprenant l'élément rayonnant et procédé de fonctionnement de l'élément rayonnant ou du système
CN114725662A (zh) * 2022-04-28 2022-07-08 安徽大学 一种基于磁振子和电振子的微带馈电平面圆极化天线
CN114725662B (zh) * 2022-04-28 2023-06-27 安徽大学 一种基于磁振子和电振子的微带馈电平面圆极化天线

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