EP4087057B1 - Gruppenantenne - Google Patents

Gruppenantenne Download PDF

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Publication number
EP4087057B1
EP4087057B1 EP20909313.7A EP20909313A EP4087057B1 EP 4087057 B1 EP4087057 B1 EP 4087057B1 EP 20909313 A EP20909313 A EP 20909313A EP 4087057 B1 EP4087057 B1 EP 4087057B1
Authority
EP
European Patent Office
Prior art keywords
feed
substrate
line layer
dielectric
network line
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.)
Active
Application number
EP20909313.7A
Other languages
English (en)
French (fr)
Other versions
EP4087057C0 (de
EP4087057A1 (de
EP4087057A4 (de
Inventor
Peitao Liu
Mingchao Li
Litao CHEN
Qinyuan WANG
Jianjun YOU
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.)
Comba Telecom Technology Guangzhou Ltd
Original Assignee
Comba Telecom Technology Guangzhou 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.)
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Publication date
Application filed by Comba Telecom Technology Guangzhou Ltd filed Critical Comba Telecom Technology Guangzhou Ltd
Publication of EP4087057A1 publication Critical patent/EP4087057A1/de
Publication of EP4087057A4 publication Critical patent/EP4087057A4/de
Application granted granted Critical
Publication of EP4087057C0 publication Critical patent/EP4087057C0/de
Publication of EP4087057B1 publication Critical patent/EP4087057B1/de
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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
    • H01Q1/36—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
    • H01Q1/12—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
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • 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
    • H01Q21/065—Patch antenna array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0075—Stripline fed arrays

Definitions

  • the present application relates to the field of mobile communication technology, and in particular, to an array antenna.
  • FIG. 110011072A discloses an integrated Massive MIMO antenna including a reflector, one side of which is provided with a power distribution network PCB board, and the other side of the reflector is provided with a calibration network PCB board, a power distribution network PCB board, a reflection board, and a calibration network PCB.
  • the document further describes antenna performance test points, filter performance test points and antenna performance test points for the integrated Massive MIMO antenna.
  • An array antenna comprises:
  • the dielectric substrate comprises a feed substrate and a radiation substrate disposed on one side of the feed substrate and integrally formed with the feed substrate, wherein, the feed network line layer is formed on a surface of the feed substrate, the radiation substrate is coated with a metal layer on a surface to form the radiation unit.
  • the feed network line layer is disposed on a surface of the feed substrate facing away from the radiation unit.
  • the array antenna further comprises a circuit board, wherein, the plurality of dielectric filter modules are integrated in the circuit board, and the outputs of the plurality of dielectric filter modules are electrically connected to the feed network line layer through the circuit board.
  • the dielectric substrate is formed with raised ribs on a surface toward the reflective plate, and the ribs are abutted against the reflective plate.
  • the shield is coated with a conductive adhesive on an end surface of the opening.
  • the feed network line layer can be formed on the surface of the dielectric substrate by means of coating, etc. Therefore, it is equivalent to integrating the feed network and radiation unit of the conventional antenna on the dielectric substrate.
  • the shielding cavity provides shielding to the dielectric filter module inside, so multiple dielectric filter modules with the shielding cavity can be functionally equivalent to the traditional multiple dielectric filters.
  • each shielding cavity houses at least two dielectric filter modules, so the number of shielding cavities can be much less than the number of dielectric filter module. Compared with the traditional way of directly mounting dielectric filters, more metal shielding cavities can be omitted. Therefore, the above array antenna can achieve light weight.
  • an array antenna 10 in the preferred embodiment of the present application includes an antenna oscillator module 100, a shielding cavity 200, and a dielectric filter module 300.
  • the antenna oscillator module 100 includes a dielectric substrate 110, a feed network line layer 120, and a radiation unit 130.
  • the antenna oscillator module 100 generally has multiple signal channels. For example, there are common 32 channels, 64 channels. Each signal channel contains at least one radiation unit 130. As shown in FIGS. 2 and 3 , in the embodiment, the number of radiation unit 130 is 96, and each signal channel contains three radiation units 130. Therefore, the array antenna 10 is a 32-channel antenna.
  • the dielectric substrate 110 is a one-piece structure, and its material can be plastic, resin, etc. Usually, the dielectric substrate 110 is molded in one piece by injection molding.
  • the feed network line layer 120 is formed on the surface of the dielectric substrate 110.
  • the feed network line layer 120 can integrate functional circuit such as divider circuit, filter circuit, etc., which can be used to feed the radiation unit 120, and is therefore equivalent to a conventional feed network.
  • the feed network line layer 120 can be formed on the surface of the dielectric substrate 110 by means of selective plating, LDS (laser direct forming technology) and other surface metal forming, and can be made of copper, silver and other good conductors.
  • the radiation unit 130 is used for receiving and radiating electromagnetic wave signals outward, generally using a dual-polarized radiation unit.
  • the radiation unit 130 is provided on one side of the dielectric substrate 110, and is fed by the feed network line layer 120.
  • the feed network line layer 120 can be directly fed to the radiation unit 130, can also be coupled to the radiation unit 130 for feed.
  • a feed structure line layer 140 may also be formed on the dielectric substrate 110 at the same time, and the feed structure line layer 140 is supported by the dielectric substrate 110, which is equivalent to the traditional feed balun and feed column.
  • the reflective plate 500 is generally a metal reflective plate, which can reflect the electromagnetic wave signal several times, thus enhancing the efficiency of signal transmitting and receiving of the radiation unit 130.
  • the surface profile of the reflective plate 500 is generally substantially the same as the surface profile of the dielectric substrate 110, and the surfaces of both are disposed opposite each other.
  • the reflective plate 500 can be screwed, welded and other ways to achieve installation with the dielectric substrate 110.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)

Claims (7)

  1. Gruppenantenne (10), umfassend:
    ein Antennenoszillatormodul (100), das ein dielektrisches Substrat (110), eine auf einer Fläche des dielektrischen Substrats (110) ausgebildete Speisenetzleitungsschicht (120) und eine Vielzahl von Strahlungseinheiten (130) umfasst, die auf einer Seite des dielektrischen Substrats (110) angeordnet sind und von der Speisenetzleitungsschicht (120) gespeist werden;
    einen abschirmenden Hohlraum (200), der auf einer Seite des dielektrischen Substrats (110) ausgebildet ist und der Strahlungseinheit (130) abgewandt ist; und
    eine Vielzahl von dielektrischen Filtermodulen (300), die in dem abschirmenden Hohlraum (200) angeordnet sind, wobei jeder abschirmende Hohlraum (200) mindestens zwei der dielektrischen Filtermodule (300) aufnimmt, wobei ein Ausgang jedes der dielektrischen Filtermodule (300) elektrisch mit der Speisenetzleitungsschicht (120) verbunden ist;
    eine reflektierende Platte (500), die auf einer der Strahlungseinheit (130) abgewandten Seite des dielektrischen Substrats (110) befestigt ist;
    eine Abschirmung (600) mit einer Öffnung auf einer Seite, wobei die Abschirmung (600) auf einer Fläche der reflektierenden Platte (500) vorgesehen ist, die dem Antennenoszillatormodul (100) abgewandt ist und mit der reflektierenden Platte (500) zusammenwirkt, um den abschirmenden Hohlraum (200) zu bilden;
    wobei eine Innenwand der Abschirmung (600) mit einem leitfähigen Schaum (620) versehen ist, der an dem dielektrischen Filtermodul (300) anliegt.
  2. Gruppenantenne (10) nach Anspruch 1, wobei das dielektrische Substrat (110) ein Einspeisesubstrat (111) und ein Strahlungssubstrat (113) umfasst, das auf einer Seite des Einspeisesubstrats (111) angeordnet und einstückig mit dem Einspeisesubstrat (111) ausgebildet ist, wobei die Speisenetzleitungsschicht (120) auf einer Fläche des Einspeisesubstrats (111) ausgebildet ist, das Strahlungssubstrat (113) auf einer Fläche mit einer Metallschicht beschichtet ist, um die Strahlungseinheit (130) zu bilden.
  3. Gruppenantenne (10) nach Anspruch 2, wobei die Speisenetzleitungsschicht (120) auf einer Fläche des Einspeisesubstrats (111) angeordnet ist, die der Strahlungseinheit (130) abgewandt ist,
    oder die Speisenetzleitungsschicht (120) ist auf einer der Strahlungseinheit (130) zugewandten Fläche des Einspeisesubstrats (111) angeordnet.
  4. Gruppenantenne (10) nach Anspruch 1, ferner umfassend: eine Leiterplatte (400), wobei die Vielzahl der dielektrischen Filtermodule (300) in die Leiterplatte (400) integriert ist und die Ausgänge der Vielzahl der dielektrischen Filtermodule (300) über die Leiterplatte (400) elektrisch mit der Speisenetzleitungsschicht (120) verbunden ist.
  5. Gruppenantenne (10) nach Anspruch 4, wobei die Leiterplatte (400) mit HF-Anschlüssen (410) und Einspeisungsstiften (420) versehen ist, die der Vielzahl von dielektrischen Filtermodulen (300) einzeln auf gegenüberliegenden Seiten entsprechen, wobei die Speisenetzleitungsschicht (120) mit Einspeisungslöchern ausgebildet ist und die Einspeisungsstifte (420) in die Einspeisungslöcher eingesetzt sind, um die Vielzahl von dielektrischen Filtermodulen (300) mit der Speisenetzleitungsschicht (120) elektrisch zu verbinden.
  6. Gruppenantenne (10) nach Anspruch 1, wobei das dielektrische Substrat (110) mit erhöhten Rippen (1112) auf einer Fläche zur reflektierenden Platte (500) hin ausgebildet ist und die Rippen an der reflektierenden Platte (500) anliegen.
  7. Gruppenantenne (10) nach Anspruch 1, wobei die Abschirmung (600) mit einem leitfähigen Klebstoff (610) auf einer Endfläche der Öffnung beschichtet ist.
EP20909313.7A 2019-12-31 2020-08-20 Gruppenantenne Active EP4087057B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911417972.XA CN111063997B (zh) 2019-12-31 2019-12-31 阵列天线
PCT/CN2020/110270 WO2021135266A1 (zh) 2019-12-31 2020-08-20 阵列天线

Publications (4)

Publication Number Publication Date
EP4087057A1 EP4087057A1 (de) 2022-11-09
EP4087057A4 EP4087057A4 (de) 2023-01-18
EP4087057C0 EP4087057C0 (de) 2025-07-02
EP4087057B1 true EP4087057B1 (de) 2025-07-02

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EP20909313.7A Active EP4087057B1 (de) 2019-12-31 2020-08-20 Gruppenantenne

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EP (1) EP4087057B1 (de)
CN (1) CN111063997B (de)
WO (1) WO2021135266A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112490646B (zh) 2019-09-12 2023-12-15 华为技术有限公司 一种天线和天线的加工方法
CN111063997B (zh) * 2019-12-31 2024-12-20 京信通信技术(广州)有限公司 阵列天线
CN111585007B (zh) * 2020-05-08 2022-04-15 武汉虹信科技发展有限责任公司 高集成mimo天线
WO2021241993A1 (ko) * 2020-05-26 2021-12-02 주식회사 케이엠더블유 안테나 장치
CN111668605B (zh) * 2020-07-02 2021-07-09 中信科移动通信技术股份有限公司 用于高铁沿线的电调天线
WO2023123298A1 (zh) * 2021-12-31 2023-07-06 京东方科技集团股份有限公司 透明振子单元、透明天线及天线系统
CN116454605B (zh) * 2023-04-03 2025-12-30 中天通信技术有限公司 壁挂天线
CN119234353B (zh) 2023-04-28 2026-01-16 京东方科技集团股份有限公司 天线及电子设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1893179A (zh) * 2005-07-08 2007-01-10 福讯通讯股份有限公司 手持装置天线
CN107706544B (zh) * 2017-09-07 2021-01-26 广东通宇通讯股份有限公司 基站天线及其天线阵列模块
CN109616759B (zh) * 2018-12-06 2020-08-25 西南电子技术研究所（中国电子科技集团公司第十研究所） 全双工有源相控阵滤波天线阵面
CN109713432A (zh) * 2019-01-14 2019-05-03 深圳市信维通信股份有限公司 5g mimo天线系统及手持设备
CN110011072B (zh) * 2019-02-22 2024-02-20 广东通宇通讯股份有限公司 一种集成化Massive MIMO天线
CN110323565A (zh) * 2019-04-30 2019-10-11 深圳市大富科技股份有限公司 一种基站天线以及用于基站的有源天线单元
CN110323556A (zh) * 2019-05-08 2019-10-11 深圳市大富科技股份有限公司 一种用于基站的有源天线单元及天线单元
CN111063997B (zh) * 2019-12-31 2024-12-20 京信通信技术(广州)有限公司 阵列天线
CN211126065U (zh) * 2019-12-31 2020-07-28 京信通信技术(广州)有限公司 阵列天线

Also Published As

Publication number Publication date
CN111063997B (zh) 2024-12-20
WO2021135266A1 (zh) 2021-07-08
EP4087057C0 (de) 2025-07-02
EP4087057A1 (de) 2022-11-09
EP4087057A4 (de) 2023-01-18
CN111063997A (zh) 2020-04-24

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