CN101599579B - High cross polarization ratio antenna and dual-polarization radiating unit thereof - Google Patents
High cross polarization ratio antenna and dual-polarization radiating unit thereof Download PDFInfo
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- CN101599579B CN101599579B CN200810028552.8A CN200810028552A CN101599579B CN 101599579 B CN101599579 B CN 101599579B CN 200810028552 A CN200810028552 A CN 200810028552A CN 101599579 B CN101599579 B CN 101599579B
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Abstract
The open a kind of high cross polarization ratio antenna of the present invention and dual-polarization radiating unit thereof, this antenna includes metallic reflection plate and at least one is for sending and/or receive the radiating element of signal of communication, and this radiating element includes the orthogonal oscillator of two couples that is installed in the cross polarization on metallic reflection plate, with at least one metallic closed framework, the plane of reference that this metallic closed framework is formed by least one insulated support and the two pairs of symmetrical dipoles is arranged concentrically.Described metallic closed framework is annular, square shaped as frame or polygon shaped as frame, two or more metallic closed framework can be had overlapping or be arranged concentrically.Due to the fact that the structure that have employed metallic closed framework, interaction by symmetrical dipole Yu metallic closed framework, cross polarization level entire lowering can be made in broadband, its fall is up to more than 3dB, the antenna cross-polarization using the present invention to realize can be more than 20dB than index in greatest irradiation direction, can be more than 13dB in ± 60 °.
Description
[technical field]
The present invention relates to a kind of mobile communication antenna, particularly relate to a kind of high cross polarization ratio antenna and double
Ultra-wideband antenna.
[technical background]
In mobile communication system, diversity technique is generally used to overcome complex environment (especially multipath reflection
Significantly occasion) in signal fadeout, improve communication quality.Wherein, the polarization of dual polarized antenna is used
Diversity is a kind of low cost, effective diversity mode.
Dual polarized antenna should have good cross polarization characteristic, i.e. in the fan-shaped service area of ± 60 °,
The level that the level that Cross polarization pattern is showed should be showed than the main polarization direction in respective angles
Having significantly reduction, the i.e. cross polarization ratio of difference between the two, cross polarization ratio is in greatest irradiation direction
At least above 15dB, at least above 10dB in ± 60 °.So, the signal that two polarization reception arrive
Can think orthogonal, it is thus possible to obtain diversity.
It is clear that cross polarization ratio is the biggest, two signal correlations are the least, and diversity is the best.Existing
Bipolarization antenna for base station radiating element in, its cross polarization generally can realize than in greatest irradiation direction
17dB, generally can realize the performance indications of 10dB in ± 60 °.
[summary of the invention]
To this end, present invention aim to overcome above-mentioned deficiency, it is provided that a kind of high cross polarization ratio antenna
And dual-polarization radiating unit, the effect acquired by prior art realizes bigger breakthrough.
For realizing this purpose, the present invention adopts the following technical scheme that
The dual-polarization radiating unit of the present invention, sends in antenna and/or receives signal of communication, including just
Hand over two pairs of symmetrical dipoles of polarization, additionally, this radiating element also includes at least one metallic closed framework,
The plane of reference of this metallic closed framework and two pairs of symmetrical dipoles is arranged concentrically.Can there is two or more metallic closed
Framework is overlapping or is arranged concentrically.Described metallic closed framework is annular, square shaped as frame or has completely
The polygon shaped as frame of symmetrical structure.
The high cross polarization ratio antenna of the present invention, including metallic reflection plate and at least one for send and/
Or the radiating element of reception signal of communication, wherein, this radiating element includes being installed on metallic reflection plate
The orthogonal oscillator of two couple of cross polarization, and at least one metallic closed framework, this metallic closed framework passes through
The plane of reference that at least one insulated support and the two pairs of symmetrical dipoles are formed is arranged concentrically.Described metal closes
Closing framework is annular, square shaped as frame or the polygon shaped as frame with full symmetric structure.Can have two with
Upper metallic closed framework is overlapping or is arranged concentrically.
It is also preferred that the left the distance of the plane of reference of described two pairs of symmetrical dipoles and described metallic reflection plate is about 1/4
Operation wavelength.The plane at described metallic closed framework place is higher or lower than the ginseng of described two pairs of symmetrical dipoles
Within examining face 1/6 operation wavelength, its diameter is more than 1/3 operation wavelength.
Disclosed according to one embodiment of present invention, described metal is fixed in described insulated support one end
On reflecting plate, the other end clamps described metallic closed framework makes it maintain stable shape.
Disclosed according to another embodiment of the present invention, described metal is fixed in described insulated support one end
On reflecting plate, the other end and described metallic closed framework screw lock or riveting make it maintain stable shape.
Compared with prior art, the present invention possesses following advantage: due to the fact that and have employed metallic closed frame
The structure of part, by the interaction of symmetrical dipole Yu metallic closed framework, can make friendship in broadband
Fork polarization signal entire lowering, its fall is handed over up to more than 3dB, the antenna using the present invention to realize
Fork polarization ratio index can be more than 20dB in greatest irradiation direction, can be more than 13dB in ± 60 °.
[accompanying drawing explanation]
Fig. 1 is the perspective view of high cross polarization ratio antenna in first embodiment of the invention；
Fig. 2 is the perspective view of high cross polarization ratio antenna in second embodiment of the invention；
Fig. 3 is the perspective view of high cross polarization ratio antenna in third embodiment of the invention；
Fig. 4 is the perspective view of high cross polarization ratio antenna in fourth embodiment of the invention；
Fig. 5 is the perspective view of high cross polarization ratio antenna in fifth embodiment of the invention.
[detailed description of the invention]
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings:
High cross polarization ratio antenna of the present invention mainly makes improvement on its dual-polarization radiating unit.
Incorporated by reference to Fig. 1 to Fig. 5, high cross polarization ratio antenna includes metallic reflection plate 8 and multiple dual polarization
Radiating element, because number and the columns of the radiating element employed in the same antenna should be determined on a case-by-case basis,
Thus the present invention is not all right repeats.
Each embodiment representated by Fig. 1 to Fig. 5 all reflects that this radiating element includes metallic closed framework
3, and the symmetrical dipole (1a and 1b, 2a and 2b) of two pairs of cross polarizations.
If the first symmetrical dipole (1a, 1b) is+45 ° of polarization, and the second symmetrical dipole (2a, 2b) be-
45 ° of polarization, the most just form cross polarization.(1a and 1b, 2a and 2b, Fig. 5 is two pairs of symmetrical dipoles
1a ' and 1b ', 2a ' and 2b ', lower same) be all fixed on by the way of certain on metallic reflection plate 8, as
For the present embodiment, it it is the fixing installing of the vertical portion (plane on the basis of metallic plate) after its bending
On metallic reflection plate, it is possible to use other multiple known mounting means.The two pairs of symmetrical dipoles (1a and
1b, 2a and 2b) the opposing parallel position in metallic reflection plate 8 is its plane of reference, due to symmetrical pass
System, the periphery of its plane of reference can surround a circular circumference, actually two couples symmetrical dipoles (1a and 1b, 2a
And 2b) with certain point on metallic reflection plate 8 for center of circle arrangement composition.
The most described metallic closed framework 3, is formed with two pairs of symmetrical dipoles (1a and 1b, 2a and 2b)
The plane of reference, namely its circle (not shown) surrounded is arranged concentrically.Metallic closed in Fig. 1
Framework 3 is placed at the periphery that the plane of reference of symmetrical dipole (1a and 1b, 2a and 2b) surrounds, it practice,
The existence of metallic closed framework 3 can improve high cross polarization ratio, and its with symmetrical dipole (1a and 1b,
2a and 2b) the vertically and horizontally distance of the plane of reference the most do not affects this high cross polarization in the range of reasonably
Ratio.
It is also preferred that the left symmetrical dipole (1a and 1b, 2a and 2b) plane of reference distance reflecting plate about 1/4 work
Make wavelength, the plane at metallic closed framework 3 place then with symmetrical dipole (1a and 1b, 2a and 2b)
Within the plane of reference is maintained at the distance of 1/6 operation wavelength, its diameter controls the most accordingly in 1/3 operation wavelength
Above, so, the high cross polarization ratio of excellence can be obtained.
Shown in first embodiment as disclosed in the system of fig. 1, described metallic closed framework 3 is by 4 insulating supportings
Part 4 is fixed on metallic reflection plate 8, and the number of this insulated support 4 can be arranged flexibly, it is sufficient to support
Metallic closed framework 3 keeps relative to metallic reflection plate 8 and symmetrical dipole (1a and 1b, 2a and 2b)
Stable shape and state.In the present embodiment, described insulated support 4 includes one end screw lock or weldering
The column piece 41 being connected on metallic reflection plate 8, and it is installed in two intermediate plates 42 of column piece 41 other end, two
Individual intermediate plate 42 is arranged with V-shaped, or only erected parallel is on column piece 41, it is sufficient to form a upper end
The groove of opening, be available for described metallic closed framework be inserted in this groove realizes held.
Refer to Fig. 2, in second embodiment of the invention, relative to first embodiment to described metallic closed
The mounting means of framework 3 makes improvement, is in particular in, described insulated support 4 ' includes column piece 41 '
With the bolt 42 ' being fixed thereon, and metallic closed framework 3 is corresponding to what insulated support 4 ' was installed at it
Position is then provided with the ear 31 of band through hole, is inserted in the bolt of insulated support by its ear 31
After, by one nut 43 ' locking ear 31 can realize installation process.
Thus amplification is to connected mode between insulated support 4 and metallic closed framework 3, can be rivet,
Engaging, cementation, welding etc., should be able to be understood by those skilled in the art, thus similar
Connected mode between these insulated support 4 and metallic closed frameworks 3, all without departing from the essence of the present invention
God's essence.
Refer to Fig. 3, in the third embodiment of the present invention, be different from first embodiment, to described metal
The profile of Guan Bi framework 3 improves so that it is in eight limit frame-shaped constructions, this structure can improve equally
The high cross polarization of antenna is than parameter, meanwhile, arbitrary polygon structure, as long as having full symmetric structure,
All it is adaptable in the present invention.
Refer to Fig. 4, in the fourth embodiment of the present invention, in place of it is different from first embodiment, be
There are two described metallic closed frameworks 3,3 ', with footpath and overlap in vertical direction each other.Though
So do not provide more embodiment, but, those skilled in the art all can thus know, will
The different metallic closed framework of two or more diameters is arranged concentrically, too without departing from the present invention's
Spirit.It should be noted that in this embodiment, described insulated support 4, suitably use
Intermediate plate 42 is installed with metallic closed framework 3,3 ', as long as so intermediate plate 42 has sufficiently longitudinally length,
Just can support the metal framework 3,3 ' of enough numbers.
Referring again to Fig. 5, in the fifth embodiment of the present invention, make improvement based on the second embodiment, adopt
With symmetrical dipole entirely different with the various embodiments described above (1a ' and 1b ', 2a ' and 2b '), the present embodiment table
Bright, the concrete shape of symmetrical dipole is without limitations, that is, the application of metallic closed framework 3 is with right
The concrete shape claiming oscillator is unrelated.Thus, those skilled in the art all can be to cited by the present invention
Symmetrical dipole carry out equivalent.
Please complex chart 1 to Fig. 5, although the present invention does not shows that more embodiment, but general in this area
Logical technical staff equally knows, and it is anti-that described insulated support 4 is the most not only capable of being installed in described metal
Penetrate on plate, it is also possible to solid mutually with the vertical portion (on the basis of metallic reflection plate 8) of described symmetrical dipole
Fixed, thus will bring the improvement of connected mode between insulated support 4 and metallic closed framework 3,
And the improvement of this connected mode is the most also can to learn according to the spirit of the present invention.
Due to the fact that the structure that have employed metallic closed framework, by symmetrical dipole and metallic closed framework
Interaction, cross polarization level entire lowering can be made in broadband, its fall is up to 3dB
Above, the antenna cross-polarization using the present invention to realize can be more than 20dB than index in greatest irradiation direction,
13dB can be more than in ± 60 °.
Claims (10)
1. a dual-polarization radiating unit, sends in antenna and/or receives signal of communication, including just
Handing over two pairs of symmetrical dipoles of polarization, the two pairs of symmetrical dipoles are installed in the top of the metallic reflection plate of antenna with shape
Become and be parallel to the plane of reference of metallic reflection plate, it is characterised in that: this radiating element also include at least one by
Insulated support is fixed on the metallic closed framework on metallic reflection plate, and this metallic closed framework and two is to right
The plane of reference claiming oscillator is arranged concentrically, and there are two or more metallic closed framework, multiple metallic closed frameworks
Overlapping or be arranged concentrically.
Dual-polarization radiating unit the most according to claim 1, it is characterised in that: described metal closes
Closing framework is annular or the polygon shaped as frame with full symmetric structure.
Dual-polarization radiating unit the most according to claim 1, it is characterised in that: described metal closes
Close framework in square shaped as frame.
4. a high cross polarization ratio antenna, including metallic reflection plate and at least one for send and/or
Receive the radiating element of signal of communication, it is characterised in that: this radiating element includes being installed in metallic reflection plate
The orthogonal oscillator of two couples of the cross polarization of top, and at least one metallic closed framework, this metallic closed frame
The plane of reference that part is formed by least one insulated support and the two pairs of symmetrical dipoles is arranged concentrically, and has two
Individual above metallic closed framework is overlapping or is arranged concentrically.
High cross polarization ratio antenna the most according to claim 4, it is characterised in that: described metal
Guan Bi framework is annular or the polygon shaped as frame with full symmetric structure.
High cross polarization ratio antenna the most according to claim 4, it is characterised in that: described metal
Guan Bi framework is in square shaped as frame.
High cross polarization ratio antenna the most according to claim 4, it is characterised in that: described two right
The plane of reference of orthogonal oscillator is about 1/4 operation wavelength with the distance of described metallic reflection plate.
High cross polarization ratio antenna the most according to claim 7, it is characterised in that: described metal
Guan Bi framework place plane be higher or lower than described two pairs of symmetrical dipoles the plane of reference 1/6 operation wavelength it
In, its diameter is more than 1/3 operation wavelength.
9. according to the high cross polarization ratio antenna described in claim 4 to 8 any one, its feature
Being: described insulated support one end is fixed on described metallic reflection plate, the other end clamps described metal
Guan Bi framework makes it maintain stable shape.
10. according to the high cross polarization ratio antenna described in claim 4 to 8 any one, its feature
It is: described insulated support one end is fixed on described metallic reflection plate, and the other end closes with described metal
Close framework by screw lock, rivet, engage, welding or cementation connected mode make it maintain stable shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810028552.8A CN101599579B (en) | 2008-06-05 | 2008-06-05 | High cross polarization ratio antenna and dual-polarization radiating unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810028552.8A CN101599579B (en) | 2008-06-05 | 2008-06-05 | High cross polarization ratio antenna and dual-polarization radiating unit thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101599579A CN101599579A (en) | 2009-12-09 |
| CN101599579B true CN101599579B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810028552.8A Active CN101599579B (en) | 2008-06-05 | 2008-06-05 | High cross polarization ratio antenna and dual-polarization radiating unit thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361156A (en) * | 2011-09-16 | 2012-02-22 | 广州杰赛科技股份有限公司 | Wideband dual-polarization radiating unit |
| CN103311651B (en) * | 2013-05-17 | 2016-08-03 | 广东通宇通讯股份有限公司 | A kind of ultra wideband multi-band dual polarized antenna |
| CN103633422A (en) * | 2013-11-01 | 2014-03-12 | 安弗施无线射频系统（上海）有限公司 | Antenna oscillator unit using asymmetric oscillator |
| CN104600439B (en) * | 2014-12-31 | 2018-03-13 | 广东通宇通讯股份有限公司 | Multifrequency dual polarized antenna |
| CN110506366A (en) * | 2017-04-13 | 2019-11-26 | 华为技术有限公司 | Multi-frequency array antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2796156Y (en) * | 2005-04-20 | 2006-07-12 | 西安海天天线科技股份有限公司 | Wide frequency 90 degree wave beam bipolar array antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE508513C2 (en) * | 1997-02-14 | 1998-10-12 | Ericsson Telefon Ab L M | Microstrip antenna as well as group antenna |
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2008
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2796156Y (en) * | 2005-04-20 | 2006-07-12 | 西安海天天线科技股份有限公司 | Wide frequency 90 degree wave beam bipolar array antenna |
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| CN101599579A (en) | 2009-12-09 |
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Effective date of registration: 20190412 Address after: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangdong Province Co-patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee after: COMBA TELECOM SYSTEMS (CHINA) Ltd. Address before: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangdong Province Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
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Effective date of registration: 20200115 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
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Effective date of registration: 20230808 Address after: 510730, No. 6, Jin Lu, Guangzhou economic and Technological Development Zone, Guangdong, Guangzhou Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee after: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Address before: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. |