WO2021120545A1 - Structure d'antenne à plaque large bande à profil bas pour communication sans fil à ondes millimétriques 5g - Google Patents

Structure d'antenne à plaque large bande à profil bas pour communication sans fil à ondes millimétriques 5g Download PDF

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Publication number
WO2021120545A1
WO2021120545A1 PCT/CN2020/095305 CN2020095305W WO2021120545A1 WO 2021120545 A1 WO2021120545 A1 WO 2021120545A1 CN 2020095305 W CN2020095305 W CN 2020095305W WO 2021120545 A1 WO2021120545 A1 WO 2021120545A1
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WIPO (PCT)
Prior art keywords
dielectric layer
magnetic conductor
artificial magnetic
patch
low
Prior art date
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PCT/CN2020/095305
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English (en)
Chinese (zh)
Inventor
曹立强
万伟康
王启东
薛梅
方志丹
杨芳
Original Assignee
华进半导体封装先导技术研发中心有限公司
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Publication of WO2021120545A1 publication Critical patent/WO2021120545A1/fr

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    • 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
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • 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
    • 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
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • 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

Definitions

  • the present invention relates to communication antenna technology, in particular to a low-profile broadband patch antenna structure applied to 5G millimeter wave wireless communication.
  • the patch antenna has the advantages of simple structure, convenient manufacturing, low cost, low profile, etc., and is a good choice for 5G millimeter wave package antenna (Antenna-in-package, AiP) applications.
  • AiP millimeter wave package antenna
  • 5G wireless communication systems have increasingly higher requirements for antenna performance.
  • many researchers have invested a lot of energy in antenna design and research and development.
  • patch antennas face many difficulties in miniaturization, especially vertical miniaturization.
  • the reduced profile of the patch antenna leads to a decrease in performance such as bandwidth; on the other hand, the patch antenna increases the bandwidth with a limited profile height. It also faces many difficulties.
  • the technology to improve the bandwidth of patch antennas mainly includes four methods: including laminated patch, air cavity, U-shaped, L-shaped and E-shaped patch, and patch-loaded metamaterial antennas.
  • the laminated patch technology patch antenna needs to increase the additional cross-sectional height to realize the bandwidth of the laminated structure;
  • the air cavity patch antenna faces the problems of complex antenna structure and high process difficulty in the millimeter wave high-density integrated system;
  • modern antenna engineering uses metamaterial loads such as artificial magnetic conductors (AMC)
  • AMC artificial magnetic conductors
  • the patch antenna can also reduce the profile and increase the bandwidth.
  • the artificial magnetic conductor has in-phase reflection characteristics, that is, the incident wave and the reflected wave on its surface are in phase. Therefore, the distance between it and the antenna can be very close, thereby effectively reducing the wave range , Reduce the longitudinal size of the antenna.
  • low-profile antennas based on artificial magnetic conductors as antenna reflection surfaces face an insignificant increase in impedance bandwidth, requiring a large number of artificial magnetic conductor units and only using the principle of in-phase reflection characteristics of artificial magnetic conductors to reduce profile design and improve antenna performance.
  • the laminated patch will increase the profile height
  • the air cavity patch structure is complex
  • the asymmetric patch structure will cause high cross polarization
  • the existing artificial magnetic conductor is used as the antenna reflection surface
  • Low-profile antennas face the problems of insignificant increase in impedance bandwidth, require a large number of artificial magnetic conductor units, and only use the principle of in-phase reflection characteristics of artificial magnetic conductors to reduce profile design and improve antenna performance.
  • the present invention proposes a low-profile broadband patch antenna structure applied to 5G millimeter wave wireless communication, which at least partially overcomes the above-mentioned problems in the prior art, and expands the application scenarios of the low-profile broadband patch antenna for 5G millimeter wave wireless communication.
  • a A low-profile broadband patch antenna structure for 5G millimeter wave wireless communication includes:
  • a first dielectric layer, the first dielectric layer is arranged under the radiation patch;
  • An artificial magnetic conductor unit where the artificial magnetic conductor unit is arranged below the first dielectric layer and does not overlap with the radiation patch in a horizontal projection direction;
  • a second dielectric layer, the second dielectric layer is located below the artificial magnetic conductor unit;
  • a reflective floor where the reflective floor is located below the second medium layer
  • a slot groove, the slot groove is located on the reflective floor directly below the radiation patch;
  • a third dielectric layer, the third dielectric layer is located below the reflective floor and the slot groove;
  • a microstrip feeder the microstrip feeder is located below the third dielectric layer, the microstrip feeder is a wire with an open terminal, wherein the open end is located directly below the center of the slot groove, and the other end is connected to the feed port.
  • the radiation patch is a rectangular radiation patch; the slot groove is a rectangular groove.
  • the first dielectric layer is a GHPL-970 prepreg dielectric board; the second dielectric layer is a Rogers 4350B high frequency dielectric board; and the third dielectric layer is a GHPL-970 prepreg dielectric board.
  • the artificial magnetic conductor unit includes a plurality of artificial magnetic conductor units to form an artificial magnetic conductor array, and there is no electrical connection between the plurality of artificial magnetic conductor units; the plurality of artificial magnetic conductor units The unit has no electrical connection with the radiation patch; the artificial magnetic conductor array is symmetrically distributed around the center of the radiation patch.
  • the plurality of artificial magnetic conductor units are two pairs of 2 ⁇ 4, a total of 16 artificial magnetic conductor units.
  • the microstrip feeder feeds the radiation patch through the slot groove; the artificial magnetic conductor unit is excited by the surface wave generated by the radiation patch.
  • the microstrip feeder, the artificial magnetic conductor array, the slot groove on the reflective floor and the center of the radiation patch are in the same vertical position.
  • an antenna array based on a low-profile broadband patch antenna structure applied to 5G millimeter wave wireless communication including:
  • a third dielectric layer located under the reflective floor and the N slit grooves
  • a feeder network electrically connected to the N microstrip feeders.
  • the radiation patch is a rectangular radiation patch; the slit groove is a rectangular groove; the first dielectric layer is a GHPL-970 prepreg dielectric plate; the second medium The layer is a Rogers 4350B high-frequency dielectric plate; the third dielectric layer is a GHPL-970 prepreg dielectric plate; the radiation patch used by the antenna array, the artificial magnetic conductor array, and the reflective floor with the slot groove And the microstrip feeder is made of metal material.
  • N 4; the feeder network is electrically connected to the microstrip feeder through three T-shaped power dividers.
  • the present invention provides a low-profile broadband patch antenna structure applied to 5G millimeter wave wireless communication, including a reflective floor composed of metal patches, a first dielectric layer arranged above the reflective floor, and a dielectric layer provided on the first dielectric layer.
  • the microstrip feeder line under the three dielectric layers; the reflective floor also includes a rectangular groove, and the rectangular radiating patch is coupled to feed power through the rectangular groove on the reflective floor.
  • the artificial magnetic conductor unit with a limited period of load is adopted, which can ensure the low profile of the antenna while obtaining broadband characteristics and improve the gain.
  • the antenna uses the surface wave generated by the central rectangular radiating patch to be induced to excite the finite period artificial magnetic conductor load unit and generate additional resonance to increase the bandwidth; at the same time, the antenna gain is improved due to the increase of the radiating aperture in the antenna.
  • FIG. 1 shows a schematic diagram of an overall cross-sectional projection of a low-profile broadband patch antenna structure 100 applied to 5G millimeter wave wireless communication according to an embodiment of the present invention.
  • FIG. 2 shows a schematic top view of a rectangular radiating patch and an artificial magnetic conductor unit of a low-profile broadband patch antenna structure 100 applied to 5G millimeter wave wireless communication according to an embodiment of the present invention.
  • FIG. 3 shows a schematic top view of the overall structure of an antenna array based on a low-profile broadband patch antenna structure 100 applied to 5G millimeter wave wireless communication according to an embodiment of the present invention.
  • the present invention provides a low-profile broadband patch antenna structure applied to 5G millimeter wave wireless communication, including a reflective floor composed of metal patches, a first dielectric layer arranged above the reflective floor, and a dielectric layer provided on the first dielectric layer.
  • the microstrip feeder line under the three dielectric layers; the reflective floor also includes a rectangular groove, and the rectangular radiating patch is coupled to feed power through the rectangular groove on the reflective floor.
  • the artificial magnetic conductor unit with a limited period of load is adopted, which can ensure the low profile of the antenna while obtaining broadband characteristics and improve the gain.
  • the antenna uses the surface wave generated by the central rectangular radiating patch to be induced to excite the finite period artificial magnetic conductor load unit and generate additional resonance to increase the bandwidth; at the same time, the antenna gain is improved due to the increase of the radiating aperture in the antenna.
  • FIG. 1 shows a schematic diagram of an overall cross-sectional projection of a low-profile broadband patch antenna structure 100 applied to 5G millimeter wave wireless communications according to an embodiment of the present invention
  • FIG. 2 shows a schematic diagram of a low-profile broadband patch antenna structure 100 according to an embodiment of the present invention
  • the low-profile broadband patch antenna structure 100 applied to 5G millimeter wave wireless communications further includes a rectangular radiating patch 110, a first dielectric layer 120, an artificial magnetic conductor unit 130, and a second dielectric layer. 140, reflective floor 150, rectangular groove 160, third dielectric layer 170, and microstrip feeder 180.
  • the rectangular radiating patch 110 is arranged on the top layer of the patch antenna structure.
  • the rectangular radiation patch 110 is a rectangular copper sheet formed by electroplating by an additive method or formed by etching by a subtractive method.
  • the first dielectric layer 120 is located under the rectangular radiation patch 110, and the first dielectric layer 120 may be circular or rectangular.
  • the material of the first dielectric layer 120 is GHPL-970 prepreg, which is formed by pressing and curing.
  • the artificial magnetic conductor unit 130 is arranged under the first dielectric layer 120 and has a rectangular shape.
  • the artificial magnetic conductor unit 130 with a finite period constitutes an artificial magnetic conductor array 135.
  • the artificial magnetic conductor array 135 includes two pairs of 2 ⁇ 4 square artificial magnetic conductor units 130, a total of 16 artificial magnetic conductor units 130; the artificial magnetic conductor units 130 are uniformly arranged at the same interval periodically; There is no electrical connection between the magnetic conductor units 130, and the artificial magnetic conductor unit 130 is not electrically connected to the rectangular radiating patch 110; the artificial magnetic conductor array 135 is symmetrically arranged under the first dielectric layer 120; the artificial magnetic conductor array 135 surrounds the rectangular radiating patch The center of the sheet 110 is symmetrically distributed.
  • the side length of the artificial magnetic conductor unit 130 is 1.32mm ⁇ 1.32mm, and the distance between two adjacent artificial magnetic conductor units 130 is 0.05mm; the innermost artificial magnetic conductor unit 130 and the first The distance of the rectangular radiation patch 110 on the upper surface of the dielectric layer 120 in the horizontal direction is 0.3 mm.
  • the second dielectric layer 140 is located under the artificial magnetic conductor unit 130 or the artificial magnetic conductor array 135, and the material of the second dielectric layer 140 is a Rogers 4350B high-frequency dielectric plate.
  • the reflective floor 150 is arranged under the second dielectric layer 140, and the reflective floor 150 serves as a reflective ground plane shared by the rectangular radiation patch 110 and the artificial magnetic conductor unit 130; the reflective floor 150 at the corresponding position under the rectangular radiation patch 110 has a rectangular shape. ⁇ 160 ⁇ 160.
  • the third dielectric layer 170 is disposed under the reflective floor 150 and the rectangular groove 160.
  • the material of the third dielectric layer 170 is a GHPL-970 prepreg dielectric plate.
  • the microstrip feeder line 180 is disposed under the third dielectric layer 170.
  • the microstrip feeder line 180 is a wire with an open terminal and is located at about a quarter of the wavelength, that is, directly under the center of the rectangular groove 160.
  • the rectangular radiating patch 110 is coupled and fed to the upper layer by the microstrip feeder 180 through the rectangular groove 160 on the reflective floor 150; the artificial magnetic conductor unit 130 is excited by the surface wave generated by the rectangular radiating patch 110.
  • FIG. 3 shows a schematic top view of the overall structure of an antenna array based on a low-profile broadband patch antenna structure 100 applied to 5G millimeter wave wireless communication according to an embodiment of the present invention.
  • the antenna array includes a rectangular radiating patch 110, an artificial magnetic conductor array 135, a reflective floor 150, a rectangular groove 160, a microstrip feeder 180, and a 1 ⁇ 4 array feeder network 190.
  • the antenna array uses the first dielectric layer 120 and the third dielectric layer 170 described in FIG. 1, and the material is a GHPL-970 prepreg dielectric plate; the second dielectric layer described in FIG. 1 is used.
  • the rectangular radiating patch 110 array of the antenna array includes 1 ⁇ 4 rectangular radiating patch 110 units.
  • the side length of the rectangular radiating patch 110 unit is 1.3mm ⁇ 2.4mm, and the center distance of two adjacent rectangular radiating patch 110 units is 6mm;
  • the artificial magnetic conductor array of the antenna array 135 includes 1 ⁇ 4 finite period artificial magnetic conductor array 135;
  • the rectangular groove 160 of the antenna array includes 1 ⁇ 4 rectangular grooves 160;
  • the 1 ⁇ 4 array feed network 190 of the antenna array includes three one It is composed of two feed structures, each feed structure is composed of a T-type power divider, and the 1 ⁇ 4 array feed network 190 is located under the third dielectric layer 170.
  • the rectangular radiating patch 110 used in the antenna array, the finite period artificial magnetic conductor array 135, the reflective floor 150 with the rectangular groove 160, and the microstrip feeder 180 are all made of metal materials. .
  • the low-profile broadband patch antenna structure for 5G millimeter wave wireless communications provided based on the present invention includes a reflective floor composed of metal patches, a first dielectric layer set above the reflective floor, and a first dielectric layer set on the first dielectric layer.
  • the artificial magnetic conductor structure on the upper surface, the second dielectric layer above the first dielectric layer and the artificial magnetic conductor structure, the rectangular radiation patch provided on the second dielectric layer, the third dielectric layer provided under the reflective floor, and the The microstrip feeder under the third dielectric layer; the reflective floor also includes a rectangular groove, and the rectangular radiation patch is coupled to feed power through the rectangular groove on the reflective floor.
  • the artificial magnetic conductor unit with a limited period of load is adopted, which can ensure the low profile of the antenna while obtaining broadband characteristics and improve the gain.
  • the antenna uses the surface wave generated by the central rectangular radiating patch to be induced to excite the finite period artificial magnetic conductor load unit and generate additional resonance to increase the bandwidth; at the same time, the antenna gain is improved due to the increase of the radiating aperture in the antenna.
  • the antenna array shown in Fig. 3 has the following characteristics: 1) A patch antenna is used to load a finite-period AMC unit to achieve miniaturization of the antenna profile.
  • the miniaturized size of the antenna unit of the present invention is 10.7mm ⁇ 10.7mm ⁇ 0.5mm, which is about 1 ⁇ 28GHz ⁇ 1 ⁇ 28GHz ⁇ 0.047 ⁇ 28GHz ( ⁇ 28GHz is the wavelength of 28GHz in free space). 2)
  • the surface wave generated by the central rectangular radiating patch is induced to excite the artificial magnetic conductor load unit with a finite period and generate additional resonance to increase the bandwidth, which is conducive to the realization of the broadband characteristics of the antenna.
  • the bandwidth of the antenna array can cover 25-31GHz (Greater than 20%), can be applied to 5G millimeter wave communication.

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Abstract

Est divulgué une structure d'antenne à plaque large bande à profil bas pour une communication sans fil à ondes millimétriques 5G, comprenant : une plaque de rayonnement ; une première couche diélectrique qui est placée au-dessous de la plaque de rayonnement ; une unité de conducteur magnétique artificiel qui est placée au-dessous de la première couche diélectrique et ne chevauche pas la plaque de rayonnement dans la direction de projection horizontale ; une deuxième couche diélectrique, qui est située au-dessous de l'unité de conducteur magnétique artificiel ; un sol réfléchissant qui est situé au-dessous de la deuxième couche diélectrique ; une fente qui est située sur le sol réfléchissant juste au-dessous de la plaque de rayonnement ; une troisième couche diélectrique qui est située au-dessous du sol réfléchissant et de la fente ; et un dispositif d'alimentation à microruban, qui est située au-dessous de la troisième couche diélectrique, et est un fil pour un circuit de borne ouverte, l'extrémité de circuit ouverte étant située juste au-dessous du centre de la fente, et l'autre extrémité étant reliée à un orifice d'alimentation.
PCT/CN2020/095305 2019-12-20 2020-06-10 Structure d'antenne à plaque large bande à profil bas pour communication sans fil à ondes millimétriques 5g WO2021120545A1 (fr)

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CN201911325545.9 2019-12-20
CN201911325545.9A CN110970722A (zh) 2019-12-20 2019-12-20 一种应用于5g毫米波无线通信的低剖面宽带贴片天线结构

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110970722A (zh) * 2019-12-20 2020-04-07 华进半导体封装先导技术研发中心有限公司 一种应用于5g毫米波无线通信的低剖面宽带贴片天线结构
CN112787099A (zh) * 2020-12-31 2021-05-11 华进半导体封装先导技术研发中心有限公司 一种应用于5g毫米波通信的贴片驱动超表面天线
CN113013607B (zh) * 2021-02-25 2022-02-01 西南交通大学 低剖面低rcs法布里-珀罗谐振腔天线
CN115117609B (zh) * 2021-03-23 2024-07-05 京东方科技集团股份有限公司 天线单元及其制备方法、电子设备
CN114221120A (zh) * 2021-12-17 2022-03-22 中国科学院微电子研究所 一种贴片天线及阵列
CN117099266A (zh) * 2021-12-30 2023-11-21 京东方科技集团股份有限公司 天线和电子设备
CN114256616A (zh) * 2021-12-30 2022-03-29 中国科学院微电子研究所 一种天线单元和天线阵列
CN117438788A (zh) * 2022-07-12 2024-01-23 康普技术有限责任公司 用于基站天线的辐射元件和基站天线
CN115000712B (zh) * 2022-08-03 2022-10-21 南京隼眼电子科技有限公司 毫米波天线

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120075157A1 (en) * 2010-09-27 2012-03-29 Electronics And Telecommunications Research Institute Apparatus for protecting human body from electromagnetic waves
KR20180071052A (ko) * 2016-12-19 2018-06-27 전자부품연구원 인체 영향에 둔감한 안테나
CN110190390A (zh) * 2019-06-13 2019-08-30 湖北汽车工业学院 基于冗余设计的k波段超材料微带天线及设计方法
CN209804893U (zh) * 2019-05-06 2019-12-17 西北工业大学 一种低剖面高增益的可重构单极子天线
CN110970722A (zh) * 2019-12-20 2020-04-07 华进半导体封装先导技术研发中心有限公司 一种应用于5g毫米波无线通信的低剖面宽带贴片天线结构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4821722B2 (ja) * 2007-07-09 2011-11-24 ソニー株式会社 アンテナ装置
CN101183744B (zh) * 2007-11-29 2011-08-24 北京航空航天大学 一种带有不完整带隙结构的贴片天线
US10431899B2 (en) * 2014-02-19 2019-10-01 Kymeta Corporation Dynamic polarization and coupling control from a steerable, multi-layered cylindrically fed holographic antenna
CN106099342A (zh) * 2016-07-04 2016-11-09 西安电子科技大学 一种超材料覆层双频相控阵列天线
CN207690998U (zh) * 2018-01-19 2018-08-03 中国人民解放军陆军工程大学 一种具有宽带高增益的微带贴片天线

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120075157A1 (en) * 2010-09-27 2012-03-29 Electronics And Telecommunications Research Institute Apparatus for protecting human body from electromagnetic waves
KR20180071052A (ko) * 2016-12-19 2018-06-27 전자부품연구원 인체 영향에 둔감한 안테나
CN209804893U (zh) * 2019-05-06 2019-12-17 西北工业大学 一种低剖面高增益的可重构单极子天线
CN110190390A (zh) * 2019-06-13 2019-08-30 湖北汽车工业学院 基于冗余设计的k波段超材料微带天线及设计方法
CN110970722A (zh) * 2019-12-20 2020-04-07 华进半导体封装先导技术研发中心有限公司 一种应用于5g毫米波无线通信的低剖面宽带贴片天线结构

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