WO2018040839A1 - Unité de rayonnement d'antenne de station de base à profil bas et antenne - Google Patents

Unité de rayonnement d'antenne de station de base à profil bas et antenne Download PDF

Info

Publication number
WO2018040839A1
WO2018040839A1 PCT/CN2017/095781 CN2017095781W WO2018040839A1 WO 2018040839 A1 WO2018040839 A1 WO 2018040839A1 CN 2017095781 W CN2017095781 W CN 2017095781W WO 2018040839 A1 WO2018040839 A1 WO 2018040839A1
Authority
WO
WIPO (PCT)
Prior art keywords
radiating
feed
base station
station antenna
radiation
Prior art date
Application number
PCT/CN2017/095781
Other languages
English (en)
Chinese (zh)
Inventor
袁鹏亮
丁勇
张申科
丁晋凯
俞思捷
Original Assignee
武汉虹信通信技术有限责任公司
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 武汉虹信通信技术有限责任公司 filed Critical 武汉虹信通信技术有限责任公司
Publication of WO2018040839A1 publication Critical patent/WO2018040839A1/fr

Links

Images

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
    • 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

Definitions

  • the invention relates to the technical field of an antenna radiation unit, in particular to a low profile base station antenna radiation unit and a corresponding antenna.
  • the base station is an important component of the base station, which directly determines the coverage of the mobile communication network and the quality of the signal transmission.
  • the radiating element is one of the key components of the base station antenna and therefore plays a vital role in the quality of the entire mobile communication network.
  • the radiating element of the antenna generally feeds the vibrator by feeding the balun through the process of welding the feeding piece, and the two polarizations of ⁇ 45° are realized as a whole, thereby bringing the structure of the radiating unit to be complicated and the production difficulty.
  • miniaturization is the development trend of the base station antenna industry.
  • the miniaturization of the radiating unit is a crucial factor that restricts the miniaturization of the base station antenna.
  • the main object of the present invention is to solve the deficiencies and shortcomings of the prior art, and to provide an antenna radiating unit and a corresponding antenna with wide frequency, low profile, polarization and high gain characteristics.
  • the technical solution of the present invention provides a low-profile base station antenna radiating unit, including a radiating surface, a radiating arm, a feeding probe, a feeding balun and a coaxial cable.
  • the radiating surface comprises two separate dipoles, which are respectively placed along different polarization directions, and form a ⁇ 45° polarization in a direction of ⁇ 45°;
  • the radiation arm is disposed on the radiation surface and is in the form of a microstrip line
  • Each dipole has a feed balun, the lower end of the coaxial cable is connected to the bottom of the feed balun, and the upper end is welded to the upper end of the feed balun at the radiating surface feed.
  • the feed probe uses an L-type feed probe.
  • the radiating surface is made of a PCB board.
  • the radiating arm employs a microstrip line formed by a copper layer on the radiating surface.
  • the feed balun is provided with a threaded hole connected to the transmitting bottom plate of the antenna for fixing by screws.
  • W be the width of the reflector for mounting the radiating element
  • W1 is the width of the radiating arm
  • W2 is the width of the inner slot of the radiating arm
  • L is the length of the reflecting plate
  • L1 is the length of the radiating arm
  • L2 is the interval between the two polarizers Distance
  • L3 is the inner slot of the radiating arm
  • a is the width of the slit of the radiating arm
  • b is the slit width between the same polarized radiating arms
  • c is the width of the coupled feed probe
  • d is the length of the coupled feed probe
  • t is the radiation
  • the thickness of the PCB sheet of the radiating surface of the unit, and H is the total height of the radiating element;
  • the present invention also provides an antenna corresponding to the base station antenna radiating element as described above.
  • the radiation unit of the present invention adopts two dipole-coupled feeds separated by polarization, has strong anti-interference, higher gain, and superior standing wave ratio isolation.
  • the low profile can make the whole antenna of the antenna thinner, so as to achieve the purpose of miniaturization of the whole antenna.
  • the weight of the invention is lighter than the prior art, the performance is more stable, the cost is low, the production efficiency is improved, the structure is simple, and the installation is reliable.
  • It is a brand-new high-performance base station antenna radiation unit, and the antenna using the radiation unit is suitable for popularization and application. It has important market value and is of great significance to the leading position of related industries in the world.
  • FIG. 1 is a schematic structural diagram of an antenna radiating unit according to an embodiment of the present invention.
  • FIG. 2 is a structural view of a structure of an antenna radiating element according to an embodiment of the present invention.
  • 3 is a 1.88 GHz frequency gain and a half power lobe width according to an embodiment of the present invention
  • Figure 5 is a 2.7 GHz frequency gain and half power lobe width for an embodiment of the present invention.
  • the base station antenna radiating element of the low profile polarization separation design designed by the invention considers the polarization separation design to make the array structure simple, the assembly is fast and the coupling interference between the two polarizations is reduced, and the low bus is adopted.
  • the design of the lun, so the cross section of the radiating element is very low, which provides a favorable technical basis for solving the miniaturization of the existing base station antenna.
  • the novel base station antenna radiating unit of the present invention comprises a feeding balun, a radiating surface and a coaxial cable.
  • the radiating surface comprises two separate dipoles, which are respectively placed along different polarization directions.
  • the invention is designed to be placed from the feeding soldering point in the horizontal direction and the vertical direction of the radiating surface, respectively, specifically taking the horizontal center line of the radiating surface as a reference, respectively Form ⁇ 45° two ways along the ⁇ 45° direction polarization.
  • the radiating surface material is a PCB dielectric board, and the surface of the PCB dielectric board is in the form of a microstrip line, and the copper is used to realize the coupling feeding of the radiating arm.
  • the antenna radiating element is fed by a microstrip line, a coaxial line and a balun, two dipoles of the radiating surface, and each dipole is coupledly fed by an L-shaped feed probe.
  • the PCB material used has a dielectric constant of 4.4.
  • the radiation unit includes: an L-type feed probe 1 for coupling feeding; and a PCB plate having a dielectric constant of 4.4 is formed.
  • the coaxial cable, the feeding balun and the radiating surface are connected together, which not only enhances the structural firmness, but also feeds through the coaxial cable.
  • the feed balun 4 is provided with a threaded hole connected to the reflective bottom plate of the antenna, which can be fixed by screws, that is, by feeding the threaded hole of the balun 4, and fixing the screw with the reflective bottom plate.
  • the radiation arm 3, the feeding balun 4, and the coaxial cable 5 are each provided with a feeding welding point for connection.
  • the upper end is welded to the feeding end of the radiating surface together with the upper end of the feeding balun.
  • the gain of the radiating element at the frequencies of 1.88 GHz, 2.2 GHz, and 2.7 GHz and the half power lobe width are obtained by HFSS software simulation. See FIG. 2,
  • balun physical size is 0.16 ⁇ .
  • the balun height is consistent with the 0.25 ⁇ height of the conventional radiating element, which reduces the height of the entire radiating element by 36. %.
  • Table 1 shows the dimensions of the antenna radiating element with the best performance:
  • the embodiment of the invention has the characteristics of low profile, because the embodiment of the invention has the characteristics of polarization separation, so that the height H of the bottom of the balun to the surface of the radiation unit can be reduced to 23 mm, and the height of the conventional FAD radiation unit is 30.5 mm. Compared with the reduction of 24.59%, a lower profile is achieved, which can play an important role in miniaturizing the antenna.
  • F refers to 1885 to 1920 MHz
  • A refers to 2010 to 2025 MHz
  • D refers to 2575 to 2635 MHz.
  • Figure 3 shows the simulation results of the radiating element at 1.88 GHz.
  • the Radiation Pattern is the radiation pattern.
  • the table shows that the maximum gain of the antenna at the 1.88 GHz frequency is 9.1 dB, and the vertical half-power lobe width is 56.6 degrees.
  • the horizontal half power lobe width is 70.3 degrees.
  • Figure 4 shows the simulation results of the radiating element at 2.2 GHz.
  • the Radiation Pattern is the radiation pattern.
  • the table shows that the maximum gain of the antenna at the 2.2 GHz frequency is 9.6 dB, and the vertical half-power lobe width is 54.5 degrees.
  • the horizontal half power lobe width is 68 degrees.
  • Figure 5 shows the simulation results of the radiating element at 2.7 GHz.
  • the Radiation Pattern is the radiation pattern. From the table, the maximum gain of the antenna at 2.7 GHz is 8.8 dB, and the vertical half-power lobe width is 64.7.
  • the horizontal half power lobe width is 77.2 degrees.
  • the radiation unit has the advantages of simple structure, convenient manufacture and low cost.
  • the two polarization separation designs enhance the performance of the entire dual-polarized radiation unit, and are a new high-performance base station antenna radiation unit.
  • An embodiment of the present invention further provides an antenna, which employs a base station antenna radiating unit as described above.

Landscapes

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

Abstract

La présente invention porte sur une unité de rayonnement d'antenne de station de base à profil bas et sur une antenne. L'unité de rayonnement d'antenne de station de base à profil bas est caractérisée en ce qu'elle comprend un plan de rayonnement, un bras de rayonnement, une sonde d'alimentation, un symétriseur d'alimentation et un câble coaxial. Le plan de rayonnement comprend deux dipôles séparés disposés respectivement le long de directions de polarisation différentes et formant deux chemins de polarisation de ±45° le long de la direction de ±45° ; le bras de rayonnement est agencé sur le plan de rayonnement, et prend la forme d'une ligne de microbandelette ; chacun des dipôles réalise une alimentation couplée au moyen de la sonde d'alimentation ; chacun des dipôles comporte un symétriseur d'alimentation ; et une extrémité inférieure du câble coaxial est connectée au bas du symétriseur d'alimentation, et son extrémité supérieure et une extrémité supérieure du symétriseur d'alimentation sont toutes deux soudées à une position d'alimentation du plan de rayonnement. Selon la présente invention, au moyen de l'utilisation de la technologie de polarisation, des lignes d'alimentation déséquilibrées, par exemple une ligne à microbandelette forte et une ligne coaxiale, sont prises en charge pour assurer l'alimentation. Par conséquent, l'unité de rayonnement a les caractéristiques d'une large bande de fréquence, d'un gain élevé, d'une faible perte, d'un profil bas et d'une forte capacité anti-interférence, peut satisfaire aux exigences pour une conception miniaturisée d'une antenne de station de base, et a une importante valeur de marché.
PCT/CN2017/095781 2016-08-31 2017-08-03 Unité de rayonnement d'antenne de station de base à profil bas et antenne WO2018040839A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610788864.3 2016-08-31
CN201610788864.3A CN107046166A (zh) 2016-08-31 2016-08-31 一种低剖面基站天线辐射单元及天线

Publications (1)

Publication Number Publication Date
WO2018040839A1 true WO2018040839A1 (fr) 2018-03-08

Family

ID=59542723

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/095781 WO2018040839A1 (fr) 2016-08-31 2017-08-03 Unité de rayonnement d'antenne de station de base à profil bas et antenne

Country Status (2)

Country Link
CN (1) CN107046166A (fr)
WO (1) WO2018040839A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108511914A (zh) * 2018-05-31 2018-09-07 北京邮电大学 介质加载实现宽带基站天线波束收敛的装置及方法
CN110661088A (zh) * 2019-11-11 2020-01-07 湖南大学 一种用于物联网的手提包拉链天线
CN111048898A (zh) * 2019-12-31 2020-04-21 京信通信技术(广州)有限公司 天线及其辐射单元
CN111162382A (zh) * 2020-01-10 2020-05-15 深圳迈睿智能科技有限公司 微型化微波探测装置和其制造方法
CN113097709A (zh) * 2021-03-30 2021-07-09 华南理工大学 一种高选择性的平面滤波八木天线
CN113346251A (zh) * 2021-04-26 2021-09-03 广东通宇通讯股份有限公司 一种基于辐射单元高度和频段的天线设置方法及天线
CN114171880A (zh) * 2021-12-13 2022-03-11 江苏亨鑫科技有限公司 一种应用于隧道覆盖的天线阵列
CN114267942A (zh) * 2021-12-24 2022-04-01 中国电子科技集团公司第十四研究所 一种可折叠式大间距超宽带低剖面紧耦合阵列天线

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109037895B (zh) * 2018-07-24 2023-09-29 复旦大学 宽带宽角低剖面的紧耦合天线阵
CN112072285B (zh) * 2020-08-27 2023-09-12 北京无线电测量研究所 一种天线装置及其使用方法
CN112310657B (zh) * 2020-10-21 2022-10-11 武汉虹信科技发展有限责任公司 一种电连接器及5g天线模块

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201256184Y (zh) * 2008-08-25 2009-06-10 中兴通讯股份有限公司 一种近远场天线
CN101567488A (zh) * 2008-04-21 2009-10-28 江苏华灿电讯股份有限公司 一种3500MHz65°双极化板状天线
CN202917643U (zh) * 2012-11-26 2013-05-01 江苏联海通信技术有限公司 Wifi双极化定向天线
CN104733844A (zh) * 2015-03-21 2015-06-24 西安电子科技大学 平面宽带双极化基站天线

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008136455A1 (fr) * 2007-04-27 2008-11-13 Nec Corporation Antenne sectorielle
CN101364672B (zh) * 2008-09-17 2012-04-18 中国电子科技集团公司第三十八研究所 宽带双线极化偶极子天线阵
CN103066382A (zh) * 2012-12-18 2013-04-24 张家港保税区国信通信有限公司 一种低轮廓超宽带双频双极化移动通信天线
CN104143686A (zh) * 2013-05-10 2014-11-12 中国电信股份有限公司 双极化辐射单元和天线
CN203707317U (zh) * 2014-01-14 2014-07-09 京信通信技术(广州)有限公司 移动通信天线
CN103956566B (zh) * 2014-05-14 2016-04-27 武汉虹信通信技术有限责任公司 一种适用于td-lte天线的小型化宽频辐射单元
CN204857945U (zh) * 2015-06-12 2015-12-09 华南理工大学 一种基于耦合馈电结构的双极化基站天线
CN105655702B (zh) * 2016-03-30 2019-07-26 上海安费诺永亿通讯电子有限公司 一种低剖面小型双极化基站天线

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101567488A (zh) * 2008-04-21 2009-10-28 江苏华灿电讯股份有限公司 一种3500MHz65°双极化板状天线
CN201256184Y (zh) * 2008-08-25 2009-06-10 中兴通讯股份有限公司 一种近远场天线
CN202917643U (zh) * 2012-11-26 2013-05-01 江苏联海通信技术有限公司 Wifi双极化定向天线
CN104733844A (zh) * 2015-03-21 2015-06-24 西安电子科技大学 平面宽带双极化基站天线

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108511914A (zh) * 2018-05-31 2018-09-07 北京邮电大学 介质加载实现宽带基站天线波束收敛的装置及方法
CN110661088A (zh) * 2019-11-11 2020-01-07 湖南大学 一种用于物联网的手提包拉链天线
CN111048898A (zh) * 2019-12-31 2020-04-21 京信通信技术(广州)有限公司 天线及其辐射单元
CN111162382A (zh) * 2020-01-10 2020-05-15 深圳迈睿智能科技有限公司 微型化微波探测装置和其制造方法
CN113097709A (zh) * 2021-03-30 2021-07-09 华南理工大学 一种高选择性的平面滤波八木天线
CN113097709B (zh) * 2021-03-30 2022-05-24 华南理工大学 一种高选择性的平面滤波八木天线
CN113346251A (zh) * 2021-04-26 2021-09-03 广东通宇通讯股份有限公司 一种基于辐射单元高度和频段的天线设置方法及天线
CN114171880A (zh) * 2021-12-13 2022-03-11 江苏亨鑫科技有限公司 一种应用于隧道覆盖的天线阵列
CN114267942A (zh) * 2021-12-24 2022-04-01 中国电子科技集团公司第十四研究所 一种可折叠式大间距超宽带低剖面紧耦合阵列天线

Also Published As

Publication number Publication date
CN107046166A (zh) 2017-08-15

Similar Documents

Publication Publication Date Title
WO2018040839A1 (fr) Unité de rayonnement d'antenne de station de base à profil bas et antenne
CN104900998B (zh) 低剖面双极化基站天线
CN201655979U (zh) 复合式多输入多输出天线模块及其系统
CN103326117B (zh) 一种宽带双极化四叶草平面天线
US8410982B2 (en) Unidirectional antenna comprising a dipole and a loop
CN202004160U (zh) 双极化组合t型匹配振子基站天线
WO2010078797A1 (fr) Unité de rayonnement à double polarisation et son dipôle planaire
CN108155484B (zh) 宽频带的双极化壁挂天线
CN203850423U (zh) 一种宽频双极化振子
CN103367897A (zh) 小型化高隔离度宽频带双极化印刷偶极子天线
CN203339298U (zh) 一种宽带双极化四叶草平面天线
TW201909484A (zh) 天線系統
WO2017054127A1 (fr) Équipement de communication
WO2021232820A1 (fr) Antenne de station de base et son unité de rayonnement haute fréquence
WO2021244158A1 (fr) Antenne à double polarisation et équipement de local de client
WO2018133428A1 (fr) Antenne à alimentation à ouverture couplée à double polarisation à large bande
CN202616409U (zh) 宽带定向微带贴片天线
WO2019080547A1 (fr) Unité de rayonnement microruban et antenne destinée à être utilisée dans un système 5g
WO2021212277A1 (fr) Antenne à double polarisation et à double fréquence
CN103337712B (zh) 一种天线辐射单元及其馈电方法
WO2023088026A1 (fr) Antenne à couplage par fente multi-bande
WO2006133610A1 (fr) Antenne monopolarisée à large bande en forme « i »
CN102800953B (zh) 带有辐射型负载的间接馈电型全向印刷天线
WO2019080535A1 (fr) Antenne micro-ruban
CN210142716U (zh) 耦合辐射单元及天线

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: 17845141

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 02.08.2019)

122 Ep: pct application non-entry in european phase

Ref document number: 17845141

Country of ref document: EP

Kind code of ref document: A1