WO2021128006A1 - Élément d'antenne et station de base - Google Patents

Élément d'antenne et station de base Download PDF

Info

Publication number
WO2021128006A1
WO2021128006A1 PCT/CN2019/127996 CN2019127996W WO2021128006A1 WO 2021128006 A1 WO2021128006 A1 WO 2021128006A1 CN 2019127996 W CN2019127996 W CN 2019127996W WO 2021128006 A1 WO2021128006 A1 WO 2021128006A1
Authority
WO
WIPO (PCT)
Prior art keywords
feeder
substrate
feeding
radiating
power
Prior art date
Application number
PCT/CN2019/127996
Other languages
English (en)
Chinese (zh)
Inventor
吕洪辉
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)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 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Priority to PCT/CN2019/127996 priority Critical patent/WO2021128006A1/fr
Publication of WO2021128006A1 publication Critical patent/WO2021128006A1/fr

Links

Classifications

    • 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
    • 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
    • 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

Definitions

  • the present invention relates to the field of communication technology, in particular to an antenna unit and a base station.
  • the mainstream communication frequency bands will be 4G and 5G.
  • the base station unit will also use more large-scale array antenna units, which will also be used for antennas.
  • the element element puts forward higher requirements, and the miniaturized antenna element element will be greatly respected.
  • the existing antenna element is to be miniaturized, its radiation effect will become worse and the antenna bandwidth frequency band will be narrow.
  • the purpose of the present invention is to provide an antenna unit and a base station with a small size and good radiation effect.
  • the present invention provides an antenna unit, which includes a radiation component, a first feed component and a second feed component connected to the radiation component;
  • the radiation component includes a radiation substrate and a radiator arranged on the radiation substrate, wherein the radiator includes a first radiation patch arranged along a first direction and a second radiation patch arranged along a second direction, and the A feed gap is provided between the first radiation patch and the second radiation patch, and the first direction and the second direction are perpendicular to each other;
  • the first feeding assembly includes a first feeding substrate connected to the radiating substrate, and a first feeding line and a first ground plate provided on two opposite surfaces of the first feeding substrate, wherein the first A first gap is formed between a grounding plate and the first radiating patch, and is electrically coupled with the first radiating patch, and the first grounding plate is provided to form an electrical connection with the first feeder.
  • the second feeding assembly includes a second feeding substrate connected to the radiating substrate, and a second feeding line and a second ground plate provided on two opposite surfaces of the second feeding substrate, wherein the first A second gap is formed between the two grounding plates and the second radiating patch, and is electrically coupled with the second radiating patch, and the second grounding plate is provided for forming an electrical connection with the second feeder.
  • the second coupling slot for coupling.
  • the first coupling slot extends along the first direction
  • the second coupling slot extends along the second direction
  • the first feeder line includes a first power feeder, a second power feeder electrically connected to the first power feeder, and a third power feeder electrically connected to the second power feeder,
  • the first power feeder is used for electrically connecting with an external power feeder substrate
  • the second power feeder extends along the first direction
  • the first power feeder and the third power feeder They are respectively arranged on opposite sides of the second power feeding part and are parallel to each other.
  • the second feeder line includes a fourth power feeder, a fifth power feeder electrically connected to the fourth power feeder, and a sixth power feeder electrically connected to the fifth power feeder
  • the fourth power feeder is used for electrically connecting with an external power feeder substrate
  • the fifth power feeder extends along the second direction
  • the fourth power feeder and the sixth power feeder They are respectively arranged on opposite sides of the fifth power feeding part and are parallel to each other.
  • the first power feeding substrate is provided with a first limiting slot
  • the second power feeding substrate is provided with a second limiting slot that forms a limiting fit with the first limiting slot
  • the first power feeding substrate and the second power feeding substrate are perpendicular to each other.
  • the first feeding substrate includes a first body portion and a first fixing portion and a second fixing portion provided on opposite sides of the first body portion, wherein the first fixing portion is used for The radiating substrate is fixedly connected, and the second fixing portion is used to form a fixed connection with an external power feeding substrate;
  • the first limiting groove is provided on the first body portion and is provided on the same side as the first fixing portion.
  • the second feeding substrate includes a second body portion, and a third fixing portion and a fourth fixing portion provided on opposite sides of the second body portion, wherein the third fixing portion is used for The radiating substrate is fixedly connected, and the fourth fixing portion is used to form a fixed connection with an external power feeding substrate;
  • the second limiting groove is provided on the second body portion and is provided on the same side as the fourth fixing portion.
  • the polarization modes of the first radiation patch and the second radiation patch are orthogonal, and the antenna unit works in the 5G frequency band.
  • the present invention also provides a base station, which includes at least two of the aforementioned antenna units.
  • the base station further includes a feeding substrate, and the antenna unit is fixed to the feeding substrate and electrically connected to a power division network provided on the feeding substrate.
  • the antenna unit provided by the present invention provides a first coupling slot on the first ground plate and a second coupling slot on the second ground plate. Electromagnetic resonance occurs between the first coupling gap, the second feeder line, and the second coupling gap. The electromagnetic energy continues to be magnetically coupled through the first gap and the second gap to the first radiation patch and the second radiation patch Above, the formation of dual-polarized electromagnetic wave radiation.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of an antenna unit provided by an embodiment of the present invention
  • 2A is a schematic cross-sectional structure diagram of the radiating component of the antenna unit
  • 2B is a schematic diagram of the planar structure of the radiator of the radiating component
  • FIG. 3 is a schematic diagram of a three-dimensional structure of the cooperation of the first feeding component and the second feeding component of the antenna unit;
  • FIG. 4A is a schematic diagram of a three-dimensional structure of the first power feeding assembly from a first perspective
  • FIG. 4B is a schematic diagram of the three-dimensional structure of the first power feeding assembly from a second perspective
  • FIG. 5 is a schematic diagram of the structure of the cooperation of the first feeding component and the radiating component
  • FIG. 6A is a schematic diagram of a three-dimensional structure of a second power feeding assembly from a first perspective
  • FIG. 6B is a schematic diagram of a three-dimensional structure of a second power feeding assembly from a second perspective
  • FIG. 7 is a schematic diagram of the structure of the cooperation of the second feeding component and the radiating component
  • FIG. 8 is a schematic diagram of a three-dimensional structure of a base station provided by an embodiment of the present invention.
  • FIG. 9 is a curve diagram of standing wave ratio of a base station provided by an embodiment of the present invention.
  • the present invention provides an antenna unit 1 that can work in a 5G frequency band, and the 5G frequency band includes at least one of the 3400-3800MHz frequency band, the 2500-2700MHz frequency band, or the 4800-5000MHz frequency band.
  • the antenna unit 1 includes a radiating component 2, a first feeding component 3 and a second feeding component 4 connected to the radiating component 2 and feeding the radiating component 2.
  • the radiation component 2 includes a radiation substrate 21 and a radiator 22 disposed on the radiation substrate 21.
  • the radiating substrate 21 is used to provide a carrier base for the radiator 22.
  • the radiator 22 includes a first radiation patch 221 arranged in a first direction and a second radiation patch 222 arranged in a second direction, and a power feed is provided between the first radiation patch 221 and the second radiation patch 222 For the slit 223, the first direction and the second direction are perpendicular to each other.
  • the first radiation patch 221 is two pieces and is arranged axisymmetrically about the axis of symmetry L2
  • the second radiation patch 223 is two pieces and is arranged axisymmetrically about the axis of symmetry L1.
  • a feeding slot 223 is provided between each first radiating patch 221 and the adjacent second radiating patch 222 to adjust the impedance matching of the antenna unit 1.
  • the first radiating patch 221 and the second radiating patch 222 are disposed on the surface of the radiating substrate 21 that is close to the surface of the radiating substrate 21 that is matched with the first feeding element 3 and the second feeding element 4.
  • the polarization modes of the first radiation patch 221 and the second radiation patch 222 are orthogonal
  • the first feeding assembly 3 includes a first feeding substrate 31 connected to the radiating substrate 21, and a first feeding line 32 and a first ground plate disposed on two opposite surfaces of the first feeding substrate 31 33.
  • a first gap 224 is formed between the first ground plate 33 and the first radiating patch 221, and is electrically coupled with the first radiating patch 221, and the first ground plate 33 is provided with a first feed line 32 forms a first coupling slot 331 for electrical coupling.
  • the first coupling slit 331 extends along the first direction.
  • the second feeder assembly 4 includes a second feeder substrate 41 connected to the radiating substrate 21, and a second feeder 42 and a second ground plate 43 that are provided on two opposite surfaces of the second feeder substrate 41, wherein the second ground A second gap 225 is formed between the sheet 43 and the second radiating patch 222, and is electrically coupled with the second radiating patch 222, and the second ground sheet 43 is provided with a second coupling for forming an electrical coupling with the second feeder 42 Gap 431.
  • the second coupling slot 431 extends along the second direction.
  • the feeding structure is provided with a first coupling slot 331 through the first ground plate 33, and a second coupling slot 431 is provided at the second ground plate 43.
  • first feed line 32 is connected to one Polarized port
  • second feeder 42 is connected to another polarized port.
  • electromagnetic resonance occurs between the first feeder line 32 and the first coupling slot 331, the second feeder line 42 and the second coupling slot 431, and the electromagnetic energy continues to be magnetically coupled through the first gap 224 and the first gap.
  • the two gaps 225 are coupled to the first radiation patch 221 and the second radiation patch 222 of the radiator 22 to form dual-polarized electromagnetic wave radiation.
  • the first feeder line 32 includes a first power feeder 321, a second power feeder 322 electrically connected to the first power feeder 321, and a second power feeder 322 electrically connected to the second power feeder 322.
  • the three power feeding parts 323 are respectively disposed on opposite sides of the second power feeding part 322 and are parallel to each other.
  • the second feeder 42 includes a fourth power feeder 421, a fifth power feeder 422 electrically connected to the fourth power feeder 421, and a second power feeder 422 electrically connected to the fifth power feeder 422.
  • Six power feeders 423 in which the fourth power feeder 421 is used to electrically connect to another power feed port of the external power feeder substrate, the fifth power feeder 422 extends in the second direction, and the fourth power feeder 421 and The sixth power feeding portions 423 are respectively disposed on opposite sides of the fifth power feeding portion 422 and are parallel to each other.
  • any one of the second power feeding portion 322 or the fifth power feeding portion 422 is bent to the side away from the radiation component 2, that is, the bending opening formed after bending is located far away from the radiation component 2 side.
  • the first power feeding substrate 31 and the second power feeding substrate 41 are vertically connected to each other.
  • the first power feeding substrate 31 is provided with a first limiting slot 314, and the second power feeding substrate 41 is provided with and
  • the first limiting slot 314 forms a limiting matching second limiting slot 414; when the first feeding substrate 31 passes through the first limiting slot 314 and forming a limiting matching with the second limiting slot 414, the first feeding substrate 31 and the second feeding substrate 41 are perpendicular to each other.
  • connection mode of the radiating component 2 and the first feeding component 3 is specifically as follows:
  • the first feeding substrate 31 includes a first body portion 311, and a first fixing portion 312 and a second fixing portion 313 disposed on opposite sides of the first body portion 311, wherein the first fixing portion 312 is used to interact with the radiation substrate 21
  • the second fixing portion 313 is used to form a fixed connection with an external power feeding substrate
  • the first limiting slot 314 is provided on the first body portion 311 and is provided on the same side as the first fixing portion 312.
  • the first fixing portion 312 and the first fixing hole can cooperate to realize the fixing of the first feeding substrate 31 to the radiating substrate 21.
  • connection mode of the radiating component 2 and the second feeding component 4 is specifically as follows:
  • the second feeding substrate 41 includes a second body portion 411, and a third fixing portion 412 and a fourth fixing portion 413 provided on opposite sides of the second body portion 411, wherein the third fixing portion 412 is used to interact with the radiating substrate 21
  • the fourth fixing portion 413 is used to form a fixed connection with the external power feeding substrate;
  • the second limiting slot 414 is provided on the second body portion 411 and is provided on the same side as the fourth fixing portion 413.
  • the second fixing hole that cooperates with the third fixing portion 412 is provided on the radiating substrate 21, and the second feeding substrate 41 can be fixed to the radiating substrate 21 by the cooperation of the third fixing portion 412 and the second fixing hole.
  • the present invention also provides a base station 10, the base station 10 includes a feeder substrate 5 and antenna units 1 fixed to the feeder substrate 5, wherein there are at least two antenna units 1.
  • the feed substrate 5 includes a substrate 51 and a power division network 52 disposed on the substrate 51, and the antenna unit 1 is fixed on the substrate 51 and is electrically connected to the power division network 52.
  • each two antenna element groups 1 form a 1 ⁇ 2 radiation sub-array.
  • the performance of the aforementioned base station 10 is shown in FIG. 9.
  • the antenna unit provided by the present invention provides a first coupling slot on the first ground plate and a second coupling slot on the second ground plate. Electromagnetic resonance occurs between the first coupling gap, the second feeder line, and the second coupling gap. The electromagnetic energy continues to be magnetically coupled through the first gap and the second gap to the first radiation patch and the second radiation patch Above, the formation of dual-polarized electromagnetic wave radiation.

Landscapes

  • Waveguide Aerials (AREA)

Abstract

La présente invention concerne un élément d'antenne et une station de base. L'élément d'antenne comprend un ensemble rayonnant, et un premier ensemble d'alimentation et un second ensemble d'alimentation qui sont reliés à l'ensemble rayonnant, l'ensemble rayonnant comprenant un substrat rayonnant et un élément rayonnant disposé sur le substrat rayonnant; l'élément rayonnant comprend une première plaque rayonnante et une seconde plaque rayonnante, et une fente d'alimentation est disposée entre la première plaque rayonnante et la seconde plaque rayonnante; le premier ensemble d'alimentation comprenant un premier substrat d'alimentation relié au substrat rayonnant, et une première ligne d'alimentation et une première patte de mise à la terre; un premier espace libre est formé entre la première patte de mise à la terre et la première plaque rayonnante, la première patte de mise à la terre et la première plaque rayonnante forment un couplage électrique, et la première plaque de mise à la terre comporte une première fente de couplage; le second ensemble d'alimentation comprenant un second substrat d'alimentation relié au substrat rayonnant, et une seconde ligne d'alimentation et une seconde patte de mise à la terre; et un second espace libre est formé entre la seconde patte de mise à la terre et la seconde plaque rayonnante, la seconde patte de mise à la terre et la seconde plaque rayonnante forment un couplage électrique, et la seconde patte de mise à la terre comporte une seconde fente de couplage.
PCT/CN2019/127996 2019-12-24 2019-12-24 Élément d'antenne et station de base WO2021128006A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/127996 WO2021128006A1 (fr) 2019-12-24 2019-12-24 Élément d'antenne et station de base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/127996 WO2021128006A1 (fr) 2019-12-24 2019-12-24 Élément d'antenne et station de base

Publications (1)

Publication Number Publication Date
WO2021128006A1 true WO2021128006A1 (fr) 2021-07-01

Family

ID=76575023

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/127996 WO2021128006A1 (fr) 2019-12-24 2019-12-24 Élément d'antenne et station de base

Country Status (1)

Country Link
WO (1) WO2021128006A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066376A (zh) * 2012-12-20 2013-04-24 华南理工大学 一种宽频带高隔离度双极化天线及其辐射单元
CN108879112A (zh) * 2017-05-12 2018-11-23 华为技术有限公司 天线阵列及终端
US20190115643A1 (en) * 2016-04-01 2019-04-18 Sony Corporation Microwave antenna apparatus, packing and manufacturing method
CN110011027A (zh) * 2018-12-28 2019-07-12 瑞声科技(新加坡)有限公司 一种天线、天线阵列和基站
CN110518333A (zh) * 2019-06-29 2019-11-29 瑞声光电科技（苏州）有限公司 天线振子、天线阵列和基站

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066376A (zh) * 2012-12-20 2013-04-24 华南理工大学 一种宽频带高隔离度双极化天线及其辐射单元
US20190115643A1 (en) * 2016-04-01 2019-04-18 Sony Corporation Microwave antenna apparatus, packing and manufacturing method
CN108879112A (zh) * 2017-05-12 2018-11-23 华为技术有限公司 天线阵列及终端
CN110011027A (zh) * 2018-12-28 2019-07-12 瑞声科技(新加坡)有限公司 一种天线、天线阵列和基站
CN110518333A (zh) * 2019-06-29 2019-11-29 瑞声光电科技（苏州）有限公司 天线振子、天线阵列和基站

Similar Documents

Publication Publication Date Title
WO2022021824A1 (fr) Unité de rayonnement basse fréquence et antenne de station de base
US9276323B2 (en) Dual polarization antenna for a mobile communication base station, and multiband antenna system using same
US11316263B2 (en) Radiation apparatus
US8723751B2 (en) Antenna system with planar dipole antennas and electronic apparatus having the same
WO2021000098A1 (fr) Antenne et dispositif électronique
CN109830802B (zh) 一种毫米波双极化贴片天线
WO2020119657A1 (fr) Antenne et dispositif de communication
WO2018133428A1 (fr) Antenne à alimentation à ouverture couplée à double polarisation à large bande
CN111029767A (zh) 一种小型化低剖面基站天线单元
TW201411935A (zh) 陣列天線及其圓極化天線
TWI462394B (zh) 多迴圈天線系統及具有該多迴圈天線系統的電子裝置
WO2021114017A1 (fr) Unité d'antenne et station de base
TWM584024U (zh) 天線裝置
US20090278745A1 (en) Dual-band inverted-f antenna
WO2011103841A2 (fr) Antenne microruban
EP3544115B1 (fr) Antenne dipole et réseau antennaire colinéaire omnidirectionnel à large bande.
TWI462392B (zh) 多天線系統及具有該多天線系統的電子裝置
WO2021000138A1 (fr) Radiateur, antenne et station de base
CN109755738A (zh) 一种双极化网格天线
EP4340124A1 (fr) Unité de rayonnement et antenne de station de base
WO2021128006A1 (fr) Élément d'antenne et station de base
US11264704B2 (en) Base station antenna
CN111430905A (zh) 一种天线单元及基站
CN111029727A (zh) 一种天线单元及基站
WO2020133321A1 (fr) Unité d'antenne et antenne réseau

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19957358

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19957358

Country of ref document: EP

Kind code of ref document: A1