CN102157783A - Dual-polarized broadband radiation unit and array antenna - Google Patents
Dual-polarized broadband radiation unit and array antenna Download PDFInfo
- Publication number
- CN102157783A CN102157783A CN2011100644857A CN201110064485A CN102157783A CN 102157783 A CN102157783 A CN 102157783A CN 2011100644857 A CN2011100644857 A CN 2011100644857A CN 201110064485 A CN201110064485 A CN 201110064485A CN 102157783 A CN102157783 A CN 102157783A
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- radiating element
- imbalance
- dual polarization
- feeding connector
- balanced feeding
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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
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a dual-polarized broadband radiation unit comprising a metallic reflection plate, an imbalance-balance feeder connector arranged on the metallic reflection plate, a connection element connected to the imbalance-balance feeder connector and two pairs of circular arc-shaped radiation unit arms arranged on the top of the imbalance-balance feeder connector, wherein the two pairs of circular arc-shaped radiation unit arms are arranged on the same plane. The invention simultaneously discloses an array antenna composed of the dual-polarized broadband radiation unit. According to the dual-polarized broadband radiation unit and the array antenna provided by the invention, excellent end port isolation characteristics can be obtained, excellent cross-polarization discrimination rate can be obtained, the structure is simple and compact, the performance is high, the manufacture is easy, the cost is low, and the assembly and installation are convenient.
Description
[technical field]
The present invention relates to the antenna of mobile communication base station field, the array antenna that relates in particular to a kind of dual polarization wideband radiating element and constitute by dual polarization wideband radiating element.
[technical background]
Along with the fast development of mobile communication, LTE of new generation (Long Term Evolution; LTE) with the 4G of WiMAX action mobile wireless wide-band technology, along with mechanics of communication is changed New Wave and constantly advanced.Under the next-generation mobile communications system, the many systems of multisystem are and deposit.Following 4G technology is also to frequency range and system development such as LTE, Wimax, Wlan.These all require antenna is shared by multiple systems, to save the site installation resource of base station, reduces network construction cost.The development of wide frequency antenna unit is the basis of antenna for base station design.
A kind of frequency of the market demand is the antenna of 1710MHz-2690MHz, and bandwidth is 44.5%, requires the full frequency band standing-wave ratio less than 1.4, and the two-port insulated degree requirement is greater than 30.This broad-band antenna is all wideer than the bandwidth of conventional various antenna for base station, and the requirement of the standing-wave ratio of antenna is also very strict, so proposed very high challenge on design difficulty.
The radiating element of array antenna has determined the multinomial performance of antenna to a great extent, and the cell design of a maturation not only requires electromagnetic property good, as satisfies bandwidth characteristic, the radiation efficiency height, and also claimed structure is reasonable, is easy to processing and installs; The electrical performance indexes of antenna is selected rationally not only can improve in the unit, also is beneficial to the realization of lobe figuration.Boundary condition has conclusive effect to wave beam convergence, the isolation of dual polarized antenna.Dual-polarization radiating unit also requires to have good cross-polarization performance, and the isolation between two polarization has also proposed very high requirement.So under the prerequisite of designing the high-performance radiating element, also be an important topic to the selection of boundary condition.
[summary of the invention]
The purpose of this invention is to provide high dual polarization wideband radiating element of a kind of simple in structure, bandwidth, isolation and the array antenna that constitutes by dual polarization wideband radiating element.
For realizing this purpose, the present invention adopts following technical scheme: a kind of dual polarization wideband radiating element, comprise: the metallic reflection plate, be installed in imbalance-balanced feeding connector on the metallic reflection plate, with Connection Element that imbalance-the balanced feeding connector is connected and be installed in the circular-arc radiating element arm of two couples at imbalance-balanced feeding connector top, described two pairs of circular-arc radiating element arms are positioned at same plane.The present invention discloses a kind of array antenna of forming by aforementioned dual polarization wideband radiating element.
A kind of array antenna, comprise housing and be installed in the interior a plurality of dual polarization wideband radiating elements of housing, described housing has base plate and reaches the pair of side plates that is bent to form from vertical both sides of base plate, and described a plurality of dual polarization wideband radiating elements are installed on described one of them side plate.Described dual polarization wideband radiating element comprises: the metallic reflection plate, be installed in imbalance-balanced feeding connector on the metallic reflection plate, with Connection Element that imbalance-the balanced feeding connector is connected and be installed in the circular-arc radiating element arm of two couples at imbalance-balanced feeding connector top, described two pairs of circular-arc radiating element arms are positioned at same plane.
With respect to prior art, the present invention has following advantage: can obtain good port isolation characteristic and good cross polarization discrimination, and have simple and compact for structure and high performance advantage, and be easy to make, cost is low and assemble easy for installation.
[description of drawings]
Fig. 1 is the stereogram of dual polarization wideband radiating element of the present invention;
Fig. 2 is the end view of dual polarization wideband radiating element of the present invention;
Fig. 3 is the stereogram of dual polarization wideband radiating element of the present invention from top view;
Fig. 4 is the vertical view of dual polarization wideband radiating element of the present invention;
Fig. 5 is the three-dimensional structure diagram according to the array antenna of the formation of the dual polarization wideband radiating element shown in Fig. 1-4;
Fig. 6 has showed array antenna of the present invention-45 ° polarization port voltage standing-wave ratio figure;
Fig. 7 has showed array antenna of the present invention+45 ° polarization port voltage standing-wave ratio figure;
Fig. 8 has showed the isolation figure between two polarization of array antenna of the present invention;
[embodiment]
The present invention is further illustrated below in conjunction with drawings and Examples:
Fig. 1-4 has showed the detailed structure of dual polarization wideband radiating element 100 provided by the invention, shown in the component units that is used for as double polarization array antenna of dual polarization wideband radiating element 100.This dual polarization wideband radiating element 100 comprises metallic reflection plate 10, be installed in imbalance-balanced feeding connector 20 on the metallic reflection plate 10, with Connection Element 30 that imbalance-balanced feeding connector 20 is connected and be installed in the circular-arc radiating element arm 40 of two couples at imbalance-balanced feeding connector 20 tops.
Imbalance-balanced feeding connector 20 has outer conductor 22, and described outer conductor 22 is installed on the metallic reflection plate 10.Described outer conductor 22 supports and is electrically connected radiating element arm 40 in to radiating element arm 40 feeds.The bottom of described imbalance-balanced feeding connector 20 is provided with the weld tabs 24 that is used for welding cable, and described weld tabs 24 also passes metallic reflection plate 10, so that connect array network.
Described two pairs of circular-arc radiating element arms 40 are positioned at same plane, and the height between described each radiating element arm 40 and the described metallic reflection plate 10 be four of central task frequency wavelength/
Described each circular-arc radiating element arm 40 is the circular arc sheet solid construction, and the arm of radiating element arm 40 wide by wide to the outer conductor 22 of the imbalance that stretches-balanced feeding connector 20 narrowly, and electrically connect with described outer conductor 22.
Simultaneously, any non-conterminous two circular-arc radiating element arms 40 distribution that is centrosymmetric around the center of described imbalance-balanced feeding connector 20 in described two pairs of circular-arc radiating element arms 40, and described two non-conterminous radiating element arms 40 are formed the radiation symmetrical dipole, as the critical piece of microwave energy radiation.The circular arc area of described radiating element arm 40 is 0.48 * 0.48 times of wavelength of working frequency range central task frequency.Preferably, form at least one anti-skidding lines 42 on the surface of described each radiating element arm 40.
Described Connection Element 30 comprises a plurality of feed tab 36, be installed in the chuck 34 on each feed tab 36 and be arranged on fixed block 32 between a plurality of feed tab 36.Feed tab 36 is the Γ shape, and it comprises horizontal part 362 and the vertical component effect 364 that is connected with horizontal part 362.Described chuck 34 is installed on the vertical component effect 364.36 pairs of integral radiation unit 100 of feed tab feed that is coupled, thus never realize balanced feeding (as coaxial feed) to the conversion of balanced feeding, and finish the conversion of impedance matching by the different in width of feed tab 36.By fixed block 32 and the chuck 34 that is installed on the vertical component effect 364 of feed tab 36 described feed tab 36 is fixed on imbalance-balanced feeding connector 20.
With reference to figure 5-8, array antenna 200 according to the present invention comprises housing 300 and is installed in a plurality of dual polarization wideband radiating elements 100 in the housing 300.Housing 300 has base plate 302 and reaches the pair of side plates 304 that is bent to form from vertical both sides of base plate 302.Described a plurality of dual polarization wideband radiating element 100 is installed on described one of them side plate 304.Be horizontally installed with diaphragm plate 306 on described each dual polarization wideband radiating element 100.Preferably, midfeather 308 is installed between two adjacent diaphragm plates 306.Further preferably, with described housing 300 on the diaphragm plate 306 that is connected near the dual polarization wideband radiating element 100 in centre position tilt the parting bead 301 that a slice two ends tilt be installed, by the plastics cylinder 303 on the diaphragm plate 306 that is arranged on these oblique parting bead 301 belows and screw 305 parting bead 301 is fixed.Like this can be under the situation that does not influence the directional diagram performance, the isolation between the polarization of raising array antenna 200.
With reference to figure 6-8, by the array antenna 200 that dual-polarization radiating unit 100 of the present invention constitutes, full frequency band has good directional diagram.1710～2690MHz frequency range, voltage standing wave ratio are less than 1.4, and isolation is greater than 30dB, and Unit 6 actual measurement gains at 15dBi between the 16dBi.Horizontal plane 3dB beamwidth is 60 to spend to 71 degree, and the main shaft cross polarization is than greater than 18dB, in ± 60 degree cross polarizations than greater than 10dB.Environmental test is qualified, can satisfy the requirement of mobile communication system well.
Find out that easily this antenna will have simple and compact for structure and high performance advantage made in accordance with the present invention, and be easy to make, conveniently install and use.And compare with the principal mode of current similar product, bandwidth of the present invention, cross polarization is than the characteristics good with the isolation performance.
The foregoing description is a preferred implementation of the present invention; but not merely be restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, all be included within protection scope of the present invention.
Claims (11)
1. dual polarization wideband radiating element, it is characterized in that comprising: the metallic reflection plate, be installed in imbalance-balanced feeding connector on the metallic reflection plate, with Connection Element that imbalance-the balanced feeding connector is connected and be installed in the circular-arc radiating element arm of two couples at imbalance-balanced feeding connector top, described two pairs of circular-arc radiating element arms are positioned at same plane.
2. dual polarization wideband radiating element according to claim 1, it is characterized in that: described imbalance-balanced feeding connector has outer conductor, and described outer conductor is installed on the metallic reflection plate, described outer conductor is in to radiating element arm feed, support and be electrically connected the radiating element arm, the bottom of described imbalance-balanced feeding connector is provided with the weld tabs that is used for welding cable, and weld tabs passes the metallic reflection plate.
3. dual polarization wideband radiating element according to claim 2, it is characterized in that: described each circular-arc radiating element arm is the circular arc sheet solid construction, and the arm of radiating element arm wide by wide to the outer conductor of the imbalance that stretches-balanced feeding connector narrowly, and electrically connect with described outer conductor.
4. dual polarization wideband radiating element according to claim 3 is characterized in that: any non-conterminous two circular-arc radiating element upper-arm circumferences distribution that is centrosymmetric around the center of described imbalance-balanced feeding connector in described two pairs of circular-arc radiating element arms.
5. dual polarization wideband radiating element according to claim 4 is characterized in that: form at least one anti-skidding lines on the surface of described each radiating element arm.
6. dual polarization wideband radiating element according to claim 5 is characterized in that: described Connection Element comprises a plurality of feed tab, be installed in the chuck on each feed tab and be arranged on fixed block between a plurality of feed tab.
7. dual polarization wideband radiating element according to claim 6 is characterized in that: described feed tab is the Γ shape, and it comprises horizontal part and the vertical component effect that is connected with horizontal part; Described chuck is installed on the vertical component effect; By fixed block and the chuck that is installed on the vertical component effect of feed tab described feed tab is fixed on imbalance-balanced feeding connector.
8. array antenna, comprise housing and be installed in the interior a plurality of dual polarization wideband radiating elements of housing, described housing has base plate and reaches the pair of side plates that is bent to form from vertical both sides of base plate, described a plurality of dual polarization wideband radiating element is installed on described one of them side plate, it is characterized in that: described dual polarization wideband radiating element comprises: the metallic reflection plate, be installed in the imbalance-balanced feeding connector on the metallic reflection plate, with Connection Element that imbalance-the balanced feeding connector is connected and be installed in the circular-arc radiating element arm of two couples at imbalance-balanced feeding connector top, described two pairs of circular-arc radiating element arms are positioned at same plane.
9. array antenna according to claim 8 is characterized in that: be horizontally installed with diaphragm plate on described each dual polarization wideband radiating element.
10. array antenna according to claim 9 is characterized in that: between two adjacent diaphragm plates midfeather is installed.
11. array antenna according to claim 9, it is characterized in that: and described housing on the parting bead that a slice two ends tilt is installed near the diaphragm plate between two dual polarization wideband radiating elements in centre position, by the cylinder on the diaphragm plate that is arranged on the oblique parting bead of this sheet below and screw parting bead is fixed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100644857A CN102157783A (en) | 2011-03-17 | 2011-03-17 | Dual-polarized broadband radiation unit and array antenna |
| PCT/CN2011/082296 WO2012122815A1 (en) | 2011-03-17 | 2011-11-16 | Dual-polarized broadband radiation unit and array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100644857A CN102157783A (en) | 2011-03-17 | 2011-03-17 | Dual-polarized broadband radiation unit and array antenna |
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| Publication Number | Publication Date |
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| CN102157783A true CN102157783A (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100644857A Pending CN102157783A (en) | 2011-03-17 | 2011-03-17 | Dual-polarized broadband radiation unit and array antenna |
Country Status (2)
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| WO (1) | WO2012122815A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012122815A1 (en) * | 2011-03-17 | 2012-09-20 | 京信通信系统（中国）有限公司 | Dual-polarized broadband radiation unit and array antenna |
| CN103036009A (en) * | 2011-09-30 | 2013-04-10 | 京信通信系统（中国）有限公司 | Asymmetric dual polarized broadband radiation unit and array antenna |
| CN103337716A (en) * | 2013-07-03 | 2013-10-02 | 常熟泓淋电子有限公司 | Dual-polarized broadband antenna radiation device |
| CN104157961A (en) * | 2014-08-11 | 2014-11-19 | 国家电网公司 | Wideband dual-polarized antenna for mobile communication and radiation units thereof |
| WO2016078475A1 (en) | 2014-11-18 | 2016-05-26 | 李梓萌 | Miniaturized dipole base station antenna |
| CN105870609A (en) * | 2016-06-22 | 2016-08-17 | 江苏亨鑫无线技术有限公司 | Feeder device of integrated dual-polar radiation unit |
| CN107611570A (en) * | 2017-08-25 | 2018-01-19 | 深圳日海通讯技术股份有限公司 | A kind of base station array antenna and base station radio-frequency equipment |
| EP3280006A1 (en) | 2016-08-03 | 2018-02-07 | Li, Zimeng | A dual polarized antenna |
| CN108344991A (en) * | 2018-04-20 | 2018-07-31 | 中蕊（武汉）光电科技有限公司 | A kind of radar detection system |
| CN109326877A (en) * | 2018-11-15 | 2019-02-12 | 江苏捷士通射频系统有限公司 | Ultra wideband dual polarization radiating element |
| CN110416704A (en) * | 2018-04-26 | 2019-11-05 | 罗森伯格技术（昆山）有限公司 | A kind of antenna radiation unit and wide frequency antenna |
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| CN110289482A (en) * | 2019-05-29 | 2019-09-27 | 深圳大学 | A kind of wide surface antenna unit of broadband dual polarization pair and aerial array |
| CN110690562A (en) * | 2019-11-04 | 2020-01-14 | 江苏泰科微通讯科技有限公司 | 5G standard 3.5GHz broadband small-sized dual-polarized oscillator |
| CN114069212A (en) * | 2021-10-09 | 2022-02-18 | 中信科移动通信技术股份有限公司 | Radiation unit and base station antenna |
| CN114221126B (en) * | 2021-12-27 | 2024-05-28 | 中国电子科技集团公司第三十八研究所 | Multidirectional special-shaped feed structure and processing technology thereof |
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- 2011-11-16 WO PCT/CN2011/082296 patent/WO2012122815A1/en active Application Filing
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| CN1231527A (en) * | 1998-01-15 | 1999-10-13 | 安德鲁公司 | Bipolarization antenna for base station |
| CN2879453Y (en) * | 2005-08-30 | 2007-03-14 | 杨华 | Plate type mobile communication base station antenna |
| CN201134510Y (en) * | 2007-10-31 | 2008-10-15 | 京信通信系统（中国）有限公司 | Minimized intelligent antenna system |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012122815A1 (en) * | 2011-03-17 | 2012-09-20 | 京信通信系统（中国）有限公司 | Dual-polarized broadband radiation unit and array antenna |
| CN103036009A (en) * | 2011-09-30 | 2013-04-10 | 京信通信系统（中国）有限公司 | Asymmetric dual polarized broadband radiation unit and array antenna |
| CN103036009B (en) * | 2011-09-30 | 2014-12-10 | 京信通信系统（中国）有限公司 | Asymmetric dual polarized broadband radiation unit and array antenna |
| CN103337716A (en) * | 2013-07-03 | 2013-10-02 | 常熟泓淋电子有限公司 | Dual-polarized broadband antenna radiation device |
| CN103337716B (en) * | 2013-07-03 | 2014-12-10 | 常熟泓淋电子有限公司 | Dual-polarized broadband antenna radiation device |
| CN104157961A (en) * | 2014-08-11 | 2014-11-19 | 国家电网公司 | Wideband dual-polarized antenna for mobile communication and radiation units thereof |
| WO2016078475A1 (en) | 2014-11-18 | 2016-05-26 | 李梓萌 | Miniaturized dipole base station antenna |
| CN105870609B (en) * | 2016-06-22 | 2018-09-04 | 江苏亨鑫无线技术有限公司 | A kind of feeder equipment of integral type dual-polarization radiating unit |
| CN105870609A (en) * | 2016-06-22 | 2016-08-17 | 江苏亨鑫无线技术有限公司 | Feeder device of integrated dual-polar radiation unit |
| EP3280006A1 (en) | 2016-08-03 | 2018-02-07 | Li, Zimeng | A dual polarized antenna |
| CN107611570A (en) * | 2017-08-25 | 2018-01-19 | 深圳日海通讯技术股份有限公司 | A kind of base station array antenna and base station radio-frequency equipment |
| CN107611570B (en) * | 2017-08-25 | 2024-02-20 | 日海智能科技股份有限公司 | Base station array antenna and base station radio frequency equipment |
| CN108344991A (en) * | 2018-04-20 | 2018-07-31 | 中蕊（武汉）光电科技有限公司 | A kind of radar detection system |
| CN108344991B (en) * | 2018-04-20 | 2023-10-17 | 中蕊（武汉）光电科技有限公司 | Radar detection system |
| CN110416704A (en) * | 2018-04-26 | 2019-11-05 | 罗森伯格技术（昆山）有限公司 | A kind of antenna radiation unit and wide frequency antenna |
| CN110416704B (en) * | 2018-04-26 | 2023-07-25 | 普罗斯通信技术（苏州）有限公司 | Antenna radiating unit and broadband antenna |
| CN109326877A (en) * | 2018-11-15 | 2019-02-12 | 江苏捷士通射频系统有限公司 | Ultra wideband dual polarization radiating element |
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|---|---|
| WO2012122815A1 (en) | 2012-09-20 |
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Application publication date: 20110817 |