WO2012122815A1 - Unité rayonnante à large bande et à double polarisation, ainsi qu'antenne en réseau - Google Patents

Unité rayonnante à large bande et à double polarisation, ainsi qu'antenne en réseau Download PDF

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Publication number
WO2012122815A1
WO2012122815A1 PCT/CN2011/082296 CN2011082296W WO2012122815A1 WO 2012122815 A1 WO2012122815 A1 WO 2012122815A1 CN 2011082296 W CN2011082296 W CN 2011082296W WO 2012122815 A1 WO2012122815 A1 WO 2012122815A1
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WO
WIPO (PCT)
Prior art keywords
dual
polarized broadband
unbalanced
radiating unit
radiating element
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Application number
PCT/CN2011/082296
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English (en)
Chinese (zh)
Inventor
黄定邦
程茂林
张趁意
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京信通信系统（中国）有限公司
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Filing date
Publication date
Application filed by 京信通信系统（中国）有限公司 filed Critical 京信通信系统（中国）有限公司
Publication of WO2012122815A1 publication Critical patent/WO2012122815A1/fr

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    • 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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre

Definitions

  • the present invention relates to the field of mobile communication base station antennas, and more particularly to a dual-polarized broadband radiating element and an array antenna composed of dual-polarized broadband radiating elements.
  • LTE Long Term Evolution
  • WiMAX Long Term Evolution
  • 4G mobile wireless broadband technology With the rapid development of mobile communication, the new generation of LTE (Long Term Evolution; LTE) and WiMAX's 4G mobile wireless broadband technology, with the new wave of communication technology changes continue to advance. Under the new generation of mobile communication systems, multiple systems and multiple systems coexist. Future 4G technologies are still developing in frequency bands and systems such as LTE, Wimax, and Wlan. All of these require the antenna to be shared by multiple systems to save the site installation resources of the base station and reduce the network construction cost. The development of broadband antenna units is the basis for base station antenna design.
  • Such a wideband antenna has a wider bandwidth than conventional base station antennas, and the VSWR requirements of the antenna are also extremely strict, so that a high challenge is presented in design difficulty.
  • the radiating element of the array antenna largely determines the multiple performance of the antenna.
  • a mature unit design not only requires good electromagnetic characteristics, such as meeting the bandwidth characteristics, high radiation efficiency, and requires a reasonable structure, easy processing and installation; Not only can improve the electrical performance of the antenna, but also facilitate the realization of the shape of the lobes.
  • the boundary conditions play a decisive role in the beam convergence and isolation of the dual-polarized antenna. Dual-polarized radiating elements are also required to have good cross-polarization performance, and the isolation between the two polarizations also places high demands. Therefore, under the premise of designing high-performance radiation units, the choice of boundary conditions is also an important issue.
  • a dual-polarized broadband radiating unit comprising: a metal reflector, an unbalanced-balanced feed connector mounted on a metal reflector, and an unbalanced-balanced feed A connector connecting connector and two pairs of arcuate radiating element arms mounted on top of the unbalanced balanced feeder connector, the two pairs of arcuate radiating element arms being in the same plane.
  • the invention also discloses an array antenna composed of the aforementioned dual-polarized broadband radiating unit.
  • An array antenna includes a housing and a plurality of dual-polarized broadband radiating units mounted in the housing, the housing having a bottom plate and a pair of side plates bent from two longitudinal sides of the bottom plate, the plurality of bipolar
  • the broadband radiating unit is mounted on one of the side panels.
  • the dual-polarized broadband radiating unit comprises: a metal reflector, an unbalanced-balanced feed connector mounted on the metal reflector, a connecting component connected to the unbalanced-balanced feed connector, and an unbalanced-balanced installation Two pairs of arc-shaped radiating element arms on the top of the feed connector, the two pairs of arc-shaped radiating element arms are located in the same plane.
  • the present invention has the advantages of being able to obtain good port isolation characteristics and good cross polarization discrimination rate. And it has the advantages of simple and compact structure and high performance, and is easy to manufacture, low in cost and convenient in assembly and installation.
  • Figure 1 is a perspective view of a dual polarized broadband radiating element of the present invention
  • Figure 2 is a side view of the dual polarized broadband radiating element of the present invention.
  • Figure 3 is a perspective view of the dual polarized broadband radiating element of the present invention as viewed from the top;
  • FIG. 4 is a top plan view of a dual polarized broadband radiating element of the present invention.
  • Figure 5 is a perspective structural view of an array antenna constructed according to the dual-polarized broadband radiating unit shown in Figures 1-4;
  • Figure 6 is a diagram showing a polarization port voltage standing wave ratio pattern of the array antenna of the present invention.
  • Figure 7 is a diagram showing a polarization port voltage standing wave ratio pattern of the array antenna of the present invention.
  • Figure 8 is a graph showing the isolation between two polarizations of the array antenna of the present invention.
  • the dual-polarized broadband radiating unit 100 includes a metal reflector 10, an unbalanced-balanced feeder connector 20 mounted on the metal reflector 10, a connecting component 30 connected to the unbalanced-balanced feeder connector 20, and mounted on the Unbalanced-balanced two pairs of arcuate radiating element arms 40 on top of the feed connector 20.
  • the unbalanced-balanced feed connector 20 has an outer conductor 22, and the outer conductor 22 is mounted on the metal reflector 10.
  • the outer conductor 22 supports and electrically connects the radiating element arms 40 while feeding the radiating element arms 40.
  • the bottom end of the unbalanced-balanced feed connector 20 is provided with a solder tab 24 for soldering the cable, and the solder tab 24 passes through the metal reflector 10 to connect the array network.
  • the two pairs of arc-shaped radiating element arms 40 are located in the same plane. And the height between each of the radiating element arms 40 and the metal reflector 10 is one quarter of the wavelength of the central operating frequency.
  • Each of the arcuate radiating element arms 40 is a circular arc-like solid structure, and the arm width of the radiating unit arm 40 extends from wide to narrow to the outer conductor 22 of the unbalanced-balanced feed connector 20, and The outer conductor 22 is electrically connected.
  • any two non-adjacent two arc-shaped radiating element arms 40 of the two pairs of arc-shaped radiating element arms 40 are symmetrically distributed around the center of the unbalanced-balanced feed connector 20, and Two non-adjacent radiating element arms 40 form a radiation symmetric vibrator as a major component of microwave energy radiation.
  • the arc area of the radiating unit arm 40 is 0.48 of the working frequency of the working frequency center. x 0.48 times wavelength.
  • at least one anti-slip track 42 is formed on the surface of each of the radiating element arms 40.
  • the connecting member 30 includes a plurality of feed sheets 36, a chuck 34 mounted on each of the feed sheets 36, and a fixed block 32 disposed between the plurality of feed sheets 36.
  • the feed piece 36 has a meandering shape including a horizontal portion 362 and a vertical portion 364 connected to the horizontal portion 362.
  • the chuck 34 is mounted on the vertical portion 364.
  • the feed piece 36 couples the integral radiating element 100 to achieve a slave unbalanced feed (such as a coaxial feed)
  • the conversion of the balanced feed is performed and the impedance matching is performed by the different widths of the feed piece 36.
  • the feed piece 36 is secured to the unbalanced-balanced feed connector 20 by a fixed block 32 and a chuck 34 mounted on a vertical portion 364 of the feed piece 36.
  • an array antenna 200 in accordance with the present invention includes a housing 300 and a plurality of dual polarized broadband radiating elements 100 mounted within the housing 300.
  • the housing 300 has a bottom plate 302 and a pair of side plates 304 bent from the longitudinal sides of the bottom plate 302.
  • the plurality of dual polarized broadband radiating elements 100 are mounted on one of the side panels 304.
  • a transverse partition 306 is laterally mounted on each of the dual polarized broadband radiating elements 100.
  • a longitudinal partition 308 is mounted between adjacent two transverse partitions 306.
  • a spacer 301 which is inclined at both ends is obliquely mounted on the horizontal partition 306 which is connected to a double-polarized broadband radiating unit 100 near the intermediate position on the casing 300, and is disposed on the inclined spacer 301.
  • the spacer 301 is fixed by the plastic cylinder 303 and the screw 305 on the lower partition 306. This can increase the isolation between the polarizations of the array antenna 200 without affecting the performance of the pattern.
  • the array antenna 200 constructed by the dual-polarized radiating element 100 of the present invention has a good pattern for the full frequency band.
  • the voltage standing wave ratio is less than 1.4
  • the isolation is greater than 30dB
  • the measured gain of the 6-cell is between 15dBi and 16dBi.
  • the horizontal 3dB beamwidth is 60 degrees to 71 degrees
  • the spindle cross polarization ratio is greater than 18 dB
  • the cross polarization ratio is greater than 10 dB at ⁇ 60 degrees.
  • the environmental test is qualified and can meet the requirements of the mobile communication system.
  • the antenna manufactured according to the present invention has the advantages of simple and compact structure and high performance, and is easy to manufacture and convenient for installation and use. Moreover, compared with the main forms of the current similar products, the bandwidth, cross-polarization ratio and isolation performance of the present invention are good.

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  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

L'invention concerne une unité rayonnante à large bande et à double polarisation, comprenant : une plaque métallique réfléchissante, un connecteur d'alimentation balun monté sur la plaque métallique réfléchissante, un élément de connexion connecté au connecteur d'alimentation balun et deux paires de bras d'unités rayonnantes en forme d'arc montées sur la partie supérieure du connecteur d'alimentation balun, les deux paires de bras d'unités rayonnantes en forme d'arc se situant dans le même plan. L'invention concerne en outre une antenne en réseau formée de l'unité rayonnante à large bande et à double polarisation ci-dessus. Selon la présente invention, il est possible d'obtenir d'excellentes caractéristiques de séparation des ports et une excellente discrimination de la polarisation croisée; en outre, la présente invention possède les avantages d'une structure simple et compacte et de performances élevées. Elle est facile à fabriquer, d'un faible coût et commode à assembler et à monter.
PCT/CN2011/082296 2011-03-17 2011-11-16 Unité rayonnante à large bande et à double polarisation, ainsi qu'antenne en réseau WO2012122815A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110064485.7 2011-03-17
CN2011100644857A CN102157783A (zh) 2011-03-17 2011-03-17 双极化宽频辐射单元及阵列天线

Publications (1)

Publication Number Publication Date
WO2012122815A1 true WO2012122815A1 (fr) 2012-09-20

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CN (1) CN102157783A (fr)
WO (1) WO2012122815A1 (fr)

Cited By (5)

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CN110289482A (zh) * 2019-05-29 2019-09-27 深圳大学 一种宽频带双极化双宽面天线单元及天线阵列
CN110416704A (zh) * 2018-04-26 2019-11-05 罗森伯格技术（昆山）有限公司 一种天线辐射单元及宽频天线
CN110690562A (zh) * 2019-11-04 2020-01-14 江苏泰科微通讯科技有限公司 一种5G制式3.5GHz宽带小型双极化振子
CN114069212A (zh) * 2021-10-09 2022-02-18 中信科移动通信技术股份有限公司 辐射单元及基站天线
CN114221126A (zh) * 2021-12-27 2022-03-22 中国电子科技集团公司第三十八研究所 一种多向异形馈电结构及其加工工艺

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CN102157783A (zh) * 2011-03-17 2011-08-17 京信通信系统（中国）有限公司 双极化宽频辐射单元及阵列天线
CN103036009B (zh) * 2011-09-30 2014-12-10 京信通信系统（中国）有限公司 不对称结构的双极化宽频辐射单元及阵列天线
CN103337716B (zh) * 2013-07-03 2014-12-10 常熟泓淋电子有限公司 双极化宽频天线辐射装置
CN104157961A (zh) * 2014-08-11 2014-11-19 国家电网公司 一种用于移动通信的宽带双极化天线及其辐射单元
US10205226B2 (en) 2014-11-18 2019-02-12 Zimeng LI Miniaturized dual-polarized base station antenna
CN105870609B (zh) * 2016-06-22 2018-09-04 江苏亨鑫无线技术有限公司 一种一体式双极化辐射单元的馈电装置
EP3280006A1 (fr) 2016-08-03 2018-02-07 Li, Zimeng Antenne à double polarisation
CN107611570B (zh) * 2017-08-25 2024-02-20 日海智能科技股份有限公司 一种基站阵列天线和基站射频设备
CN108344991B (zh) * 2018-04-20 2023-10-17 中蕊（武汉）光电科技有限公司 一种雷达侦测系统
CN109326877A (zh) * 2018-11-15 2019-02-12 江苏捷士通射频系统有限公司 超宽带双极化辐射单元

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CN102157783A (zh) * 2011-03-17 2011-08-17 京信通信系统（中国）有限公司 双极化宽频辐射单元及阵列天线

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CN101546863A (zh) * 2009-03-31 2009-09-30 京信通信系统（中国）有限公司 宽频双极化辐射单元
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Publication number Priority date Publication date Assignee Title
CN110416704A (zh) * 2018-04-26 2019-11-05 罗森伯格技术（昆山）有限公司 一种天线辐射单元及宽频天线
CN110416704B (zh) * 2018-04-26 2023-07-25 普罗斯通信技术（苏州）有限公司 一种天线辐射单元及宽频天线
CN110289482A (zh) * 2019-05-29 2019-09-27 深圳大学 一种宽频带双极化双宽面天线单元及天线阵列
CN110690562A (zh) * 2019-11-04 2020-01-14 江苏泰科微通讯科技有限公司 一种5G制式3.5GHz宽带小型双极化振子
CN114069212A (zh) * 2021-10-09 2022-02-18 中信科移动通信技术股份有限公司 辐射单元及基站天线
CN114221126A (zh) * 2021-12-27 2022-03-22 中国电子科技集团公司第三十八研究所 一种多向异形馈电结构及其加工工艺
CN114221126B (zh) * 2021-12-27 2024-05-28 中国电子科技集团公司第三十八研究所 一种多向异形馈电结构及其加工工艺

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