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WO2018161599A1 - Antenne à fente reconfigurable reposant sur une structure fourchue - Google Patents

Antenne à fente reconfigurable reposant sur une structure fourchue Download PDF

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Publication number
WO2018161599A1
WO2018161599A1 PCT/CN2017/107202 CN2017107202W WO2018161599A1 WO 2018161599 A1 WO2018161599 A1 WO 2018161599A1 CN 2017107202 W CN2017107202 W CN 2017107202W WO 2018161599 A1 WO2018161599 A1 WO 2018161599A1
Authority
WO
WIPO (PCT)
Prior art keywords
slot antenna
fork
metal plate
antenna based
reconfigurable
Prior art date
Application number
PCT/CN2017/107202
Other languages
English (en)
Chinese (zh)
Inventor
曲美君
邓力
李书芳
张贯京
葛新科
高伟明
张红治
Original Assignee
深圳市景程信息科技有限公司
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 深圳市景程信息科技有限公司 filed Critical 深圳市景程信息科技有限公司
Publication of WO2018161599A1 publication Critical patent/WO2018161599A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • 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
    • H01Q13/10—Resonant slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • 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
    • H01Q5/10—Resonant antennas
    • 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
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements

Definitions

  • the present invention relates to the field of satellite communication technologies, and in particular, to a reconfigurable slot antenna based on a fork structure.
  • a primary object of the present invention is to provide a reconfigurable slot antenna based on a fork structure, which aims to solve the technical problem that the antenna cannot be reconfigurable in frequency and pattern in the prior art.
  • the present invention provides a reconfigurable slot antenna based on a fork structure, and the reconfigurable slot antenna based on the fork structure includes a substrate and is attached to a lower surface of the substrate.
  • Metal plate
  • the metal plate is etched with a fork-shaped slit and is bilaterally symmetrical.
  • the fork-shaped slit includes a T-shaped groove, two vertical grooves and two diodes, and one vertical groove and the transverse side of the ⁇ -shaped groove One end is connected by one diode, and the other vertical groove is connected to the other end of the lateral side of the ⁇ -shaped groove by another diode.
  • the reconfigurable slot antenna based on the fork structure is a rectangular parallelepiped structure, and the metal plate is copper The metal plate has a thickness of 0.5 ounce.
  • the substrate is a dielectric substrate of FR4, and the substrate has a thickness of 1.6 cm and a dielectric constant of 4.4.
  • the length of the metal plate is 40 mm
  • the width of the metal plate is 30 mm
  • the height of the vertical groove of the metal plate is 9.3 mm
  • the T-shaped groove of the metal plate The length of the horizontal side is 30.4 mm
  • the height of the vertical side of the T-shaped groove of the metal plate is 14
  • the width of the vertical groove of the metal plate is 3.14 mm, and the width of the horizontal side and the vertical side of the T-shaped groove of the metal plate is 3.14 mm.
  • the two tubes of the two sickle-shaped slits are both broken, and the frequency and the pattern can reconstruct the slot antenna.
  • the operating frequency band is 3.71 ⁇ 4.21GHz.
  • the present invention adopts the above technical solution, and brings the technical effects as follows:
  • the reconfigurable slot antenna based on the fork structure of the present invention can change the antenna according to communication requirements while maintaining the polarization mode unchanged.
  • the frequency and radiation pattern reduce the spatial noise of wireless communication systems, avoid electronic interference, improve system security, increase channel capacity, and are widely used in many aspects such as automotive and aircraft radar and satellite communication networks.
  • FIG. 1 is a schematic structural view of a side surface of a reconfigurable slot antenna based on a fork structure according to the present invention
  • FIG. 2 is a schematic view of a fork structure of a preferred embodiment of a reconfigurable slot antenna based on a fork structure of the present invention
  • FIG. 3 is a front elevational view of a reconfigurable slot antenna based on a fork structure according to the present invention
  • FIGS. 5-1 to 5-2 are schematic diagrams showing simulations of radiation patterns of four states of the reconfigurable slot antenna based on the fork structure of the present invention.
  • FIG. 1 is a schematic structural view of a side surface of a reconfigurable slot antenna based on a fork structure according to the present invention
  • FIG. 2 is a preferred implementation of a reconfigurable slot antenna based on a fork structure according to the present invention
  • Fig. 3 is a front elevational view of a reconfigurable slot antenna based on a fork structure of the present invention.
  • the reconfigurable slot antenna 1 based on the fork structure of the present invention includes a substrate 10 and a metal plate 12.
  • the reconfigurable slot antenna 1 based on the fork structure is a rectangular parallelepiped structure in which the metal plate 12 is attached to the lower surface of the substrate 10.
  • the metal plate 12 is a copper surface and has the same thickness.
  • the metal plate 12 has a thickness of 0.5 ounces.
  • the substrate 10 is a dielectric substrate of FR4.
  • the thickness of the substrate 10 is preferably 1.6 cm, and the dielectric constant is preferably 4.4.
  • the metal plate 12 has a length W and a height L.
  • a forked slit 120 is etched into the metal plate 12.
  • the fork slot 120 includes a T-shaped slot, two vertical slots, and two diodes (a first diode D1 and a second diode D2, respectively), wherein a vertical slot and One end of the lateral side of the T-shaped groove is connected by a first diode D1, and the other vertical groove is connected to the other end of the lateral side of the T-shaped groove by a second diode D2.
  • the height of the two vertical grooves is lfeed
  • the length of the horizontal side of the T-shaped groove is lstub
  • the height of the vertical side of the T-shaped groove is lf
  • the width of the vertical side and the horizontal side of the T-shaped groove is Wf
  • the width of the vertical groove of the metal plate is also wf
  • the width of the two vertical grooves is d.
  • the thickness of the fork-shaped slits 120 is the thickness of the metal plate 12.
  • the fork-shaped slit 120 is bilaterally symmetrically formed on the metal plate 12.
  • the reconfigurable slot antenna 1 based on the fork structure is controlled by two diodes.
  • the row state is combined to change the length of the antenna resonant slot to achieve frequency reconfigurability.
  • the frequency can be controlled, that is, the frequency can be adjusted, and an antenna can be adjusted in multiple frequency bands.
  • the antenna can realize the reconfigurable pattern.
  • the antenna is realized by a fork-shaped feed and a symmetrical antenna structure.
  • the diode BAR50-02V is selected as the RF switch.
  • the different combinations of diodes are shown in the table.
  • FIG. 4 shows a reflection coefficient curve simulated for each state of the antenna.
  • D1 is turned on
  • D2 is broken, that is, statel ⁇
  • the working frequency band of the antenna is 3.71 ⁇ 4.21GHz. Due to the symmetrical structure of the antenna, when D2 is turned on and D1 is turned off, that is, state2 ⁇ , the working frequency band of the antenna is the same as state3.
  • FIGS. 5-1 to 5-2 show simulated radiation patterns of respective resonant frequencies of the antenna.
  • the pattern of the E plane is basically an "8" shape, and the pattern of the H plane (the plane of the wave propagation direction and the magnetic field direction) changes as the state of the gate changes.
  • the reconfigurable slot antenna based on the fork structure in the present invention omits a wire connecting the external control device, and a control device for controlling the first diode and the second diode.
  • the control device may be, but is not limited to, an electronic switch or a microcontroller or the like.
  • the present invention adopts the above technical solution, and brings the technical effects as follows:
  • the reconfigurable slot antenna based on the fork structure of the present invention can change the antenna according to communication requirements while maintaining the polarization mode unchanged.
  • the frequency and radiation pattern reduce the spatial noise of wireless communication systems, avoid electronic interference, improve system security, increase channel capacity, and are widely used in many aspects such as automotive and aircraft radar and satellite communication networks.

Landscapes

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

Abstract

La présente invention concerne une antenne à fente reconfigurable reposant sur une structure fourchue. L'antenne à fente reconfigurable reposant sur une structure fourchue de la présente invention comprend un substrat et une plaque métallique fixée à la surface inférieure du substrat. Une fente fourchue est ménagée dans la plaque métallique. La fente fourchue comprend deux diodes. Par mise en œuvre de la présente invention, sans changer le mode de polarisation, la fréquence et le diagramme directionnel de rayonnement d'une antenne sont changés en temps opportun en fonction des exigences de communication, de manière à réduire le bruit spatial d'un système de communication sans fil, à éviter un brouillage électronique, à améliorer la sécurité du système et à augmenter et la capacité de canal.
PCT/CN2017/107202 2017-03-04 2017-10-21 Antenne à fente reconfigurable reposant sur une structure fourchue WO2018161599A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710125523.2 2017-03-04
CN201710125523.2A CN106785411A (zh) 2017-03-04 2017-03-04 基于叉形结构的可重构缝隙天线

Publications (1)

Publication Number Publication Date
WO2018161599A1 true WO2018161599A1 (fr) 2018-09-13

Family

ID=58961243

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/107202 WO2018161599A1 (fr) 2017-03-04 2017-10-21 Antenne à fente reconfigurable reposant sur une structure fourchue

Country Status (2)

Country Link
CN (1) CN106785411A (fr)
WO (1) WO2018161599A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107046178B (zh) * 2017-03-04 2018-11-20 深圳市景程信息科技有限公司 频率及方向图可重构缝隙天线
CN106785411A (zh) * 2017-03-04 2017-05-31 深圳市景程信息科技有限公司 基于叉形结构的可重构缝隙天线
CN107681267A (zh) * 2017-08-28 2018-02-09 佛山市顺德区中山大学研究院 一种实现定频波束扫描的微带漏波天线
CN112216945B (zh) * 2020-09-22 2023-06-13 北京六维畅联科技有限公司 一种宽带调频雨伞天线系统及其制作方法
CN114792888B (zh) * 2022-05-11 2024-08-09 领翌技术(横琴)有限公司 天线和电子设备

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN102064384A (zh) * 2010-11-05 2011-05-18 哈尔滨工程大学 一种超宽带天线
CN102437418A (zh) * 2011-08-24 2012-05-02 清华大学 用于移动终端的宽带平面型可重构天线系统
KR20120117566A (ko) * 2011-04-15 2012-10-24 서울과학기술대학교 산학협력단 Ｕ자형 슬릿빔 조향 단일 안테나 및 이를 통한 빔 조향방법
CN106785411A (zh) * 2017-03-04 2017-05-31 深圳市景程信息科技有限公司 基于叉形结构的可重构缝隙天线
CN106877008A (zh) * 2017-02-09 2017-06-20 山西大学 一种小型化宽带频率‑方向图可重构天线
CN107046178A (zh) * 2017-03-04 2017-08-15 深圳市景程信息科技有限公司 频率及方向图可重构缝隙天线

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003103090A1 (fr) * 2002-05-31 2003-12-11 The Regents Of The University Of Michigan Antenne a fente commutable
CN101542836B (zh) * 2007-01-24 2012-08-08 松下电器产业株式会社 差动馈电方向性可变缝隙天线

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102064384A (zh) * 2010-11-05 2011-05-18 哈尔滨工程大学 一种超宽带天线
KR20120117566A (ko) * 2011-04-15 2012-10-24 서울과학기술대학교 산학협력단 Ｕ자형 슬릿빔 조향 단일 안테나 및 이를 통한 빔 조향방법
CN102437418A (zh) * 2011-08-24 2012-05-02 清华大学 用于移动终端的宽带平面型可重构天线系统
CN106877008A (zh) * 2017-02-09 2017-06-20 山西大学 一种小型化宽带频率‑方向图可重构天线
CN106785411A (zh) * 2017-03-04 2017-05-31 深圳市景程信息科技有限公司 基于叉形结构的可重构缝隙天线
CN107046178A (zh) * 2017-03-04 2017-08-15 深圳市景程信息科技有限公司 频率及方向图可重构缝隙天线

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