WO2021119936A1 - Antenne et réseau d'antennes - Google Patents

Antenne et réseau d'antennes Download PDF

Info

Publication number
WO2021119936A1
WO2021119936A1 PCT/CN2019/125696 CN2019125696W WO2021119936A1 WO 2021119936 A1 WO2021119936 A1 WO 2021119936A1 CN 2019125696 W CN2019125696 W CN 2019125696W WO 2021119936 A1 WO2021119936 A1 WO 2021119936A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide member
antenna
guide
director
ground plate
Prior art date
Application number
PCT/CN2019/125696
Other languages
English (en)
Chinese (zh)
Inventor
刘时杰
陈勇利
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/CN2019/125696 priority Critical patent/WO2021119936A1/fr
Publication of WO2021119936A1 publication Critical patent/WO2021119936A1/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
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems

Definitions

  • the present invention relates to the field of communication technology, in particular to an antenna and an antenna array.
  • the fifth-generation mobile communication technology will greatly change people’s existing lifestyles and promote the continuous development of society.
  • base station antennas will also be more large-scale Array antennas therefore also put forward higher requirements for antenna elements.
  • the existing antenna has a complex structure, is difficult to achieve miniaturization, and has poor anti-interference ability.
  • the object of the present invention is to provide an antenna and an antenna array with a simple structure.
  • the present invention provides an antenna.
  • the antenna includes a substrate, a half-wave folding vibrator, a first director and a second director arranged on a surface of the substrate, the half-wave folding vibrator, the first guide
  • the director and the second director are arranged at intervals, and the first director is located between the second director and the half-wave folding vibrator, and the shape of the half-wave folding vibrator is an open
  • the half-wave folding vibrator includes a first end and a second end opposite to each other. The first end is used for power feeding, and the second end is used for grounding.
  • the first guide includes a first guide and a second guide.
  • the first guide and the second guide are located on the same straight line.
  • a guiding piece and the second guiding piece are separated by a first distance, and a gap is formed between the first guiding piece and the second guiding piece.
  • the straight line on which the first guiding member and the second guiding member are located is parallel to the length direction of the half-wave folding vibrator.
  • the first guide further includes a third guide member and a fourth guide member, the third guide member is electrically connected to the first guide member, and the third guide member is electrically connected to the first guide member.
  • the guiding piece is perpendicular to the first guiding piece, the fourth guiding piece is electrically connected to the second guiding piece, and the fourth guiding piece is perpendicular to the second guiding piece.
  • the projection of the second guide on the straight line where the first guide member and the second guide member are located shields the gap.
  • the second guide is parallel to the straight line where the first guide and the second guide are located.
  • the half-wave reentrant vibrator has a square, elliptical or racetrack-shaped ring structure, and the straight line on which the first guide member and the second guide member are located is the same as the length of the square.
  • the sides, the long axis of the ellipse, or the straight sides of the racetrack are parallel.
  • the antenna further includes a first ground plate, a second ground plate, and a feeder line.
  • the first ground plate, the second ground plate, the feeder line, and the half-wave folded vibrator are arranged on the substrate.
  • the feed line is located between the first ground plate and the second ground plate, the feed line is electrically connected to the first end, and the first ground plate and the second ground plate are electrically connected to each other.
  • the terminals are electrically connected.
  • the antenna further includes a third ground plate, the third ground plate is arranged on the surface of the substrate opposite to the half-wave folding vibrator, and the third ground plate is respectively connected to the first ground plate.
  • the ground sheet and the second ground sheet are electrically connected.
  • the present invention also provides an antenna array, which includes 1 ⁇ 2 or 1 ⁇ 3 the above-mentioned antennas.
  • the antenna of the present invention includes a substrate and a half-wave folding vibrator arranged on a surface of the substrate, a first director and a second director, the half-wave folding vibrator , The first director and the second director are arranged at intervals, and the first director is located between the second director and the half-wave folding vibrator, and the half-wave folding vibrator
  • the shape of the half-wave folding vibrator is a ring with an opening.
  • the half-wave folding vibrator includes opposite first and second ends. The first end is used for feeding power, and the second end is used for grounding.
  • the antenna structure is simple, It is easy to realize miniaturization and has strong anti-interference ability.
  • the first guide of the present invention includes a first guide member and a second guide member, the first guide member and the second guide member are located on the same straight line, and the first guide member and The second guiding member is separated by a first distance, and a gap is formed between the first guiding member and the second guiding member.
  • the first distance can be adjusted to improve the radiation efficiency of the antenna.
  • the second director of the present invention improves the gain of the antenna, reduces the side lobe, and improves the anti-interference ability of the antenna.
  • the antenna array of the present invention includes 1 ⁇ 2 or 1 ⁇ 3 the above-mentioned antennas, and the antenna array has a simple structure and is easy to be miniaturized.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of an antenna provided by an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a three-dimensional structure of a radiation unit provided by an embodiment of the present invention.
  • Fig. 3 is a schematic diagram of a three-dimensional structure of a director provided by an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a three-dimensional structure of an antenna provided by an embodiment of the present invention.
  • Fig. 5 is a schematic diagram of an S parameter curve of an antenna provided by an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the radiation direction of the antenna provided by an embodiment of the present invention.
  • FIG. 9A is a schematic structural diagram of a first antenna array provided by an embodiment of this application.
  • FIG. 9B is a schematic structural diagram of a second antenna array provided by an embodiment of this application.
  • FIG. 10 is a schematic diagram of the S curve of the first antenna array provided by an embodiment of the present invention.
  • FIG. 13 is a schematic diagram of the radiation direction of the first antenna array provided by an embodiment of the present invention.
  • FIG. 14 is a schematic diagram of an S curve of a second antenna array provided by an embodiment of the present invention.
  • FIG. 17 is a schematic diagram of the radiation direction of the second antenna array provided by an embodiment of the present invention.
  • the present invention provides an antenna 1.
  • the antenna 1 includes a substrate 10, a radiating unit 20 disposed on the surface of the substrate 10, a feeder 30 disposed on the surface of the substrate 10, and a ground disposed on the substrate 10.
  • the assembly 40 and the director 50 provided on the surface of the substrate 10.
  • the feed line 30 is electrically connected to the radiating unit 20
  • the grounding assembly 40 is electrically connected to the radiating unit 20
  • the director 50 and the radiating unit 20 are spaced apart.
  • the radiating element 20 is a half-wave folding vibrator, and the shape of the half-wave folding vibrator is a ring with an opening 23.
  • the half-wave folding vibrator is a square, elliptical or racetrack-shaped ring structure.
  • the shape of the half-wave folding back vibrator is a square ring structure.
  • the half-wave folding vibrator includes a first end 21 and a second end 22 opposite to each other. The first end 21 is used for feeding power, and the second end 22 is used for grounding.
  • the radiating unit 20 is a half-wave folding vibrator, which improves the impedance of the antenna 1, and the radiating unit 20 can better match the feeder line 30.
  • the director 50 and the radiation unit 20 are arranged on the same surface of the substrate 10.
  • the director 50 includes a first director 51 and a second director 52.
  • the first director 51 and the radiation unit 20 are spaced apart, and the second director 52 and the first director 51 are spaced apart.
  • the director 51 is located between the second director 52 and the radiation unit 20.
  • the first guide 51 includes a first guide unit 511 and a second guide unit 512.
  • the first guide unit 511 and the second guide unit 512 are arranged at intervals. Specifically, the first guide unit 511 and the second guide unit 512 are arranged at intervals.
  • the direction unit 512 is separated by a first distance D, and a gap is formed between the first direction unit 511 and the second direction unit 512.
  • the first guiding unit 511 and the second guiding unit 512 are symmetrical to each other.
  • the first guide unit 511 includes a first guide member 5111 and a third guide member 5112.
  • the first guide member 5111 is electrically connected to the third guide member 5112.
  • the first guide member 5111 and the third guide member 5112 are electrically connected to each other.
  • 5112 are perpendicular to each other, and the third guiding member 5112 is located on the side of the first guiding member 5111 away from the radiation unit 20.
  • the radiating unit 20 is square
  • the first guiding member 5111 is parallel to the long side of the square.
  • the radiating unit 20 is elliptical
  • the first guiding member 5111 is parallel to the long axis of the ellipse
  • the radiating unit 20 is a racetrack.
  • the shape is formed, the first guiding member 5111 and the straight line of the racetrack shape become parallel.
  • the second guiding unit 512 includes a second guiding member 5121 and a fourth guiding member 5122, the second guiding member 5121 is electrically connected to the fourth guiding member 5122, the second guiding member 5121 and the fourth guiding member 5121 5122 are perpendicular to each other, and the fourth guiding member 5122 is located on the side of the second guiding member 5121 away from the radiation unit 20.
  • the second guide member 5121 and the first guide member 5111 are located on the same straight line, the first guide member 5111 and the second guide member 5121 are separated by a first distance D, the first guide member 5111 and the second guide member 5111 A gap is formed between 5121.
  • the maximum of the first distance D is not limited, and can be set as required.
  • the radiation efficiency of the antenna 1 can be improved by adjusting the size of the first distance D.
  • the straight line where the first guiding member 5111 and the second guiding member 5121 are located is parallel to the length direction of the half-wave folding vibrator. Specifically, when the radiation unit 20 is in a square shape, the first guiding member 5111 is parallel to the long side of the square. When the radiation unit 20 is in an elliptical shape, the first guiding member 5111 is parallel to the long axis of the ellipse.
  • the first guide member 5111 and the racetrack-shaped straight line become parallel, that is, the straight line where the first guide member 5111 and the second guide member 5121 are located is in line with the long side of the square and the long axis of the ellipse. Or the straight sides of the racetrack shape are parallel.
  • the projection of the second guide 52 on the first guide 51 shields the gap between the first guide 5111 and the second guide 5121, specifically, the second guide
  • the projection of the device 52 on the straight line where the first guiding member 5111 and the second guiding member 5121 are located shields the gap.
  • the second guide 52 is a metal sheet, and the second guide 52 is parallel to the line where the first guide member 5111 and the second guide member 5121 are located, that is, the square length of the second guide member 52 and the radiation unit 20
  • the sides, the long axis of the ellipse, or the straight sides of the racetrack are parallel.
  • the second director 52 improves the gain of the antenna 1, reduces the side lobe, and improves the anti-interference ability of the antenna 1.
  • the feed line 30 is used to feed the radiating unit 20, and the feed line 30 and the radiating unit 20 are located on the same surface of the substrate 10.
  • the feed line 30 is electrically connected to the first end 21 of the half-wave folding vibrator.
  • the feed line 30 is electrically connected to the external radio frequency front end.
  • the feeder line 30 is linear, and the feeder line 30 is perpendicular to the long side of the square, the long axis of the ellipse, or the linear side of the racetrack shape of the radiating unit 20.
  • the grounding assembly 40 includes a first grounding sheet 41, a second grounding sheet 42, and a third grounding sheet 43.
  • the first grounding sheet 41, the second grounding sheet 42 and the radiating unit 20 are arranged on the substrate On the same surface of 10, the third radiating sheet is arranged on the surface of the substrate 10 opposite to the radiating unit 20.
  • the first grounding plate 41 is electrically connected to the second end 22 of the half-wave folding vibrator, the feeder line 30 is located between the first grounding plate 41 and the second grounding plate 42, and the third grounding plate 43 is connected to the first grounding plate respectively. 41.
  • the second ground sheet 42 is electrically connected.
  • the third ground sheet 43 When the third ground sheet 43 is electrically connected to the first ground sheet 41 and the second ground sheet 42 respectively, they are electrically connected through a conductor. For example, if a plurality of metal pillars are used, the metal pillars pass through the substrate 10, and the two ends of the metal pillars are respectively connected to each other. The first ground sheet 41 and the third ground sheet are electrically connected, or the two ends of the metal column are electrically connected with the second ground sheet 42 and the third ground sheet respectively.
  • the performance of the above-mentioned antenna 1 is shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8. As can be seen from the figures, it has a relatively high gain.
  • the present invention also provides an antenna array 2 which includes at least two antennas 1 described above.
  • the antenna array 2 includes 1 ⁇ 2 or 1 ⁇ 3 antennas 1.
  • the performance of the antenna array 2 is shown in FIG. 10, FIG. 11, FIG. 12, and FIG.
  • the performance of the antenna array 2 is shown in FIG. 14, FIG. 15, FIG. 16, and FIG. 17.

Abstract

La présente invention concerne le domaine technique des communications, et concerne en particulier une antenne et un réseau d'antennes. L'antenne comprend un substrat et un dipôle replié à demi-onde, un premier élément de direction et un second élément de direction agencés sur une surface du substrat. Le dipôle replié à demi-onde, le premier élément de direction et le second élément de direction sont espacés ; le premier élément de direction est situé entre le second élément de direction et le dipôle replié en demi-onde ; la forme du dipôle replié à demi-onde est un anneau pourvu d'une ouverture ; et le dipôle replié à demi-onde comprend une première extrémité et une seconde extrémité qui s'opposent l'une à l'autre, la première extrémité étant utilisée pour l'alimentation, et la seconde extrémité étant utilisée pour la mise à la terre. Le réseau d'antennes comprend 1×2 ou 1×3 des antennes décrites. La solution technique de la présente invention présente une structure simple, peut être facilement miniaturisée, et présente une forte capacité d'anti-interférence.
PCT/CN2019/125696 2019-12-16 2019-12-16 Antenne et réseau d'antennes WO2021119936A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/125696 WO2021119936A1 (fr) 2019-12-16 2019-12-16 Antenne et réseau d'antennes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/125696 WO2021119936A1 (fr) 2019-12-16 2019-12-16 Antenne et réseau d'antennes

Publications (1)

Publication Number Publication Date
WO2021119936A1 true WO2021119936A1 (fr) 2021-06-24

Family

ID=76478111

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/125696 WO2021119936A1 (fr) 2019-12-16 2019-12-16 Antenne et réseau d'antennes

Country Status (1)

Country Link
WO (1) WO2021119936A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2218979Y (zh) * 1994-06-03 1996-01-31 咸阳华泰电脑卫星设备经营部 印制板式电视接收天线
US20160126638A1 (en) * 2011-09-01 2016-05-05 Commscope Technologies Llc Method for dish reflector illumination via sub-reflector assembly with dielectric radiator portion
CN106450774A (zh) * 2016-11-04 2017-02-22 广东通宇通讯股份有限公司 超宽带高增益八木天线
CN107689478A (zh) * 2017-08-23 2018-02-13 上海海事大学 一种旋转可控式ais基站二元八木天线阵

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2218979Y (zh) * 1994-06-03 1996-01-31 咸阳华泰电脑卫星设备经营部 印制板式电视接收天线
US20160126638A1 (en) * 2011-09-01 2016-05-05 Commscope Technologies Llc Method for dish reflector illumination via sub-reflector assembly with dielectric radiator portion
CN106450774A (zh) * 2016-11-04 2017-02-22 广东通宇通讯股份有限公司 超宽带高增益八木天线
CN107689478A (zh) * 2017-08-23 2018-02-13 上海海事大学 一种旋转可控式ais基站二元八木天线阵

Similar Documents

Publication Publication Date Title
WO2021000098A1 (fr) Antenne et dispositif électronique
WO2020119367A1 (fr) Antenne et dispositif terminal
US20200411967A1 (en) Antenna, antenna array and base station
CN103401062A (zh) 一种用于td-lte智能天线双极化宽频辐射单元
CN208690490U (zh) 一种基于共面波导的对地开槽的圆极化天线
US11757195B2 (en) Antenna element and electronic device
US11063359B2 (en) Antenna system and mobile terminal using same
US11769952B2 (en) Antenna element and electronic device
US10727596B2 (en) Antenna structure
CN109742540A (zh) 一种小型化高隔离度多源多波束天线
CN108879087A (zh) 一种具有谐波抑制的单层宽带微带阵列天线
CN102122759B (zh) 组合式小直径双频全向天线
WO2021104238A1 (fr) Unité d'antenne et dispositif électronique
WO2021083055A1 (fr) Ensemble antenne et dispositif de communication
US20200411966A1 (en) Radiator, antenna and base station
WO2021119936A1 (fr) Antenne et réseau d'antennes
CN110676569A (zh) 一种环状全向天线
US11264704B2 (en) Base station antenna
CN110350309A (zh) 天线结构
CN111463581B (zh) 天线和天线阵列
US20200212550A1 (en) Omnidirectional antenna and electronic device
WO2021000097A1 (fr) Antenne et dispositif électronique
CN109786983A (zh) 全向天线阵列及电子设备
CN208401050U (zh) 一种新型四臂螺旋天线
CN216120771U (zh) 一种用于隧道通信场景的双极化宽带宽高增益准八木天线

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: 19956389

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: 19956389

Country of ref document: EP

Kind code of ref document: A1