CN102544764A - Broadband dual-polarization antenna and radiating unit thereof - Google Patents
Broadband dual-polarization antenna and radiating unit thereof Download PDFInfo
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- CN102544764A CN102544764A CN2012100834589A CN201210083458A CN102544764A CN 102544764 A CN102544764 A CN 102544764A CN 2012100834589 A CN2012100834589 A CN 2012100834589A CN 201210083458 A CN201210083458 A CN 201210083458A CN 102544764 A CN102544764 A CN 102544764A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
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- 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
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Abstract
The invention discloses a broadband dual-polarization antenna and a radiating unit thereof. The radiating unit comprises two pairs of symmetrical dipoles with mutually orthogonal polarization, and each pair of symmetrical dipoles comprises a pair of radiation arms and a pair of balens used for being fixed on a metal reflection plate and implementing same side supporting to each radiation arm at the end where the radiation arms are close. Each radiation arm is arranged on a same reference plane, the whole radiating unit and the geometric center of the reference plane are of a symmetrical structure, the reference plane extends towards the bottom directions of the baleens to form a space which is defined as a containing space, each radiation arm is in a shape of closed single line, a main body located on the reference plane exists, the radiation arm is provided with an expanding portion extending to the containing space in a bending mode from the main body of the radiation arm at one end of the radiation arm far away from the corresponding balen. The broadband dual-polarization antenna and the radiating unit lengthen path length of current in the radiation arm by fully using space, thereby being capable of reducing size of the radiation arm based on appointed electrical specifications.
Description
[technical field]
The present invention relates to the mobile communication antenna field, be specifically related to a kind of wideband dual polarized antenna and radiating element thereof.
[background technology]
Along with the development of mobile communication cause, to the bandwidth and the demands for higher performance of antenna for base station.
Building up and runing along with the 3G (Third Generation) Moblie network; And WLAN; Broadband wireless network extensive uses such as WiMax; Market has proposed huge demand to broad-band antenna, particularly can cover the broad-band antenna of the 1.7GHz 2.7GHz frequency range of following communication standard: GSM1800, DCSCDMA 1900, IMT-2000, TD-CDMA, WLAN, WiMax etc.
Along with the application and the fast development of wireless technology, electromagnetic environment is complicated day by day, has proposed increasingly high requirement for the design of mobile communication Bipolarization antenna for base station.The electric property of antenna requires high-isolation, high-gain; The main shaft cross polarization discrimination requires greater than 15dB; ± 60 ° of cross polarization discriminations require greater than 10dB, require to have good directivity and wave beam convergence simultaneously, and very low third order intermodulation index.
Enterprise not only is asked to provide the wideband antenna for base station of function admirable in intense market competition, but also is asked to reduce the production cost of antenna as far as possible.This just must claim to the technological layer of antenna, and the antenna structure that requirement is designed is simple firmly, volume is little, in light weight, processing is simple and easy, easy for installation, welding is simple, with low cost, the suitable production in enormous quantities in enormous quantities.
At present, in the solution of broad-band antenna, satisfy the above antenna that requires simultaneously seldom.General symmetrical dipole radiating element in practical application for the broadening bandwidth, with the oscillator arms Width of polarization orthogonal on can amplify, simultaneously, for weight reduction and save Material Cost, can only keep the largest contours size of oscillator arms again.See also several the known solution that those skilled in the art propose below:
Please with reference to the shape of No. 4184163 oscillator arms that patent announcement disclosed of US, its oscillator arms adopt circle shape structure and finally be reduced on the Principle of Antenna with electric property on all suitable circular ring structure; Also can be with reference to No. 4510501 patent announcements of US; Wherein oscillator arms adopt square structure and finally be reduced on the Principle of Antenna with electric property on all suitable square circulus (be tending towards Q-RING when corner cut is cut very for a short time, corner cut can be tending towards triangle ring or other polygon ring when cutting very greatly).More than the oscillator arms end of these two patents all be directly closed the connection, fail to make full use of near the free space the oscillator arms, make the oscillator arms size still bigger than normal.More than two patents, except the oscillator arms size was big, its barron structure also was not suitable for the feed that is coupled, limited bandwidth has limited its range of application.
Further see also No. 6933906 patent announcements of US; Its oscillator arms that adopts is a square structure; Ba Lun adopts the sealing column construction, be beneficial to realize coupling feed and broadband character, but sealing Ba Lun inwall is difficult for guaranteeing electroplating quality; Therefore the intermodulation characteristic of radiating element also is difficult to obtain assurance, and the isolation characteristic between the different polarization of oscillator is relatively poor; CN 101707291A public announcement of a patent application a kind of wideband radiating element; The larger-size problem of its same unresolved oscillator arms; Though its Ba Lun adopts the hollow square column structure of sealing in addition, still can't reach the technique effect of the intermodulation characteristic of guaranteeing radiating element.
Can know by above-mentioned analysis, in the prior art, for wideband dual polarized antenna, have certain contradiction between the size of the radiating doublet that it adopted and the electric property.
[summary of the invention]
The present invention is exactly in order to solve aforementioned contradiction; A kind of wideband dual polarized antenna radiation unit of simple in structure, easily manufactured, with low cost, function admirable is provided; Under the set prerequisite of the electric property that keeps radiating element, the size of further dwindling radiating element.
Further, the present invention adapts to the proposition of aforementioned radiating element, and a kind of wideband dual polarized antenna is provided, so that make this radiating element more become practical.
For realizing the object of the invention, the present invention adopts following technical scheme:
Wideband dual polarized antenna radiation unit of the present invention; Comprise the two secondary symmetrical dipoles that polarization is mutually orthogonal; Every secondary symmetrical dipole comprise a pair of radiation arm with respectively at this to radiation arm near an end each radiation arm is implemented a pair of Ba Lun that is used for fixing on the metallic reflection plate that homonymy supports, through this Ba Lun is carried out balanced feeding to this to radiation arm, each radiation arm is arranged at the same plane of reference; Whole radiating element is about the geometric center of this plane of reference structure that is centrosymmetric; The space that forms with the extension of this plane of reference Chao Balun bottom direction is defined as spatial accommodation, and described each radiation arm is the wall scroll wire of sealing, has the main body that is in the said plane of reference; At the end of radiation arm away from its corresponding Ba Lun, this radiation arm is provided with the extension that extends to this spatial accommodation from its main bent part.
Disclose according to a plurality of embodiment of the present invention, the main body of said radiation arm is square, in circular, the polygon any one.
Disclose according to one embodiment of present invention, said extension is restricted to is being extended in the defined plane of reference scope by main body.Wherein preferred, the position that bending forms between said extension and the main body is acute angle.
Disclose according to another embodiment of the present invention, said extension is restricted to and the perpendicular extension of the said plane of reference.Wherein preferred, the position that the bending of said extension forms is positioned at the outside by the defined plane of reference scope of main body.
Disclose according to a plurality of embodiment of the present invention, said extension comprise the autonomous agent bending and a pair of straight-arm that goes out be connected this to the terminal separately transition band of straight-arm.Said transition band can be any one shape in arcuation, multistage polyline shaped, the linearity.Preferable, this is parallel to each other to straight-arm.
Disclose according to indivedual embodiment of the present invention, said extension integral body is arcuation.
Further, said Ba Lun is the one extension, and its cross section is half-surrounded to form open slot, and two Ba Lun of every pair of said symmetrical dipole are provided with its open slot each other in opposite directions.
Disclose according to a plurality of embodiment of the present invention, the rounded or polygon of the cross section of the open slot of said Ba Lun, when it is polygon, preferred rectangle.
Disclose according to one embodiment of present invention, the cross section of said Ba Lun is the circular arc half-surrounded.In another embodiment, the cross section of said Ba Lun comprises that two symmetrically arranged arm spares are connected the connector of the same side of these two arm spares with the formation half-surrounded with one.
In addition, said each Ba Lun is being connected near said metallic reflection plate place so that each Ba Lun constitutes one, so that form a firm base that is made up of Ba Lun.
Wideband dual polarized antenna of the present invention, it comprises at least one foregoing radiating element, with the mode arrangement group battle array and the parallelly feeding of regular matrix, the metallic reflection plate that each radiating element adopted is same metallic reflection plate between a plurality of radiating elements.
Compared with prior art, the present invention has following advantage:
At first, through forming the extension at the radiation arm with closed circular in its terminal bending, it is inner to make this extension be in defined spatial accommodation; Therefore; On electric, owing to be installed in the radiating element outer space outerpace of occupying volume not basically on the metallic reflection plate, take identical, radiation arm spatial area at the radiating element spatial volume and take under the identical prerequisite; Prolong the electric current and the magnetic current path of feed-in radiation arm, reduced the resonance frequency of symmetrical dipole; Otherwise, keeping under the constant prerequisite of resonance frequency, the size that can further dwindle each radiation arm has increased the isolation between two polarization.
Secondly, further optimized radiating element from structure alone or in combination through the design of two aspects: on the one hand, radiation arm adopts the single line bending and forming, and structure is very simple, be easy to the die sinking die cast, and sound construction is reliable; On the other hand, because Ba Lun is designed with open slot, form semi-open structure; The quality of its electroplating surface is guaranteed easily; Help to promote the intermodulation index of radiating element, in addition, each Ba Lun places with its open slot in twos in opposite directions; Can shield the parasitic radiation of Ba Lun inner feeder, help the cross polarization index that improves radiating element.
[description of drawings]
Fig. 1 is the stereogram of wideband dual polarized antenna radiation unit first embodiment according to the invention, and the main body of radiation arm wherein is rounded, and is loaded with the U-shaped extension to the bottom part body bending;
Fig. 2 is the stereogram of wideband dual polarized antenna radiation unit second embodiment according to the invention, and the main body of radiation arm wherein is square, and is loaded with the U-shaped extension to the body interior bending;
Fig. 3 is for improving the stereogram of according to the invention wideband dual polarized antenna radiation unit the 3rd embodiment that gets on the basis of second embodiment shown in Figure 2, extension wherein has the arcuation transition band;
Fig. 4 is for improving the stereogram of according to the invention wideband dual polarized antenna radiation unit the 4th embodiment that gets on the basis of second embodiment shown in Figure 2, it is loaded with to the U of bottom part body bending type extension;
Fig. 5 is the stereogram of the representative instance of the Ba Lun that adopts in the wideband dual polarized antenna radiation unit according to the invention, and among its each embodiment that is applied to Fig. 1 to Fig. 4 equally and is disclosed, the cross section of the open slot of this Ba Lun is rounded;
Fig. 6 is on the basis of Fig. 5, the stereogram after Ba Lun is retrofited, and the cross section of the open slot of this Ba Lun is rectangular;
Fig. 7 is the voltage standing wave ratio figure of wideband dual polarized radiating element emulation according to the invention;
Fig. 8 is the isolation figure of two polarization of wideband dual polarized radiating element emulation according to the invention.
[embodiment]
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
See also the stereogram of first embodiment of wideband dual polarized antenna radiation unit of the present invention shown in Figure 1.This radiating element comprises two secondary symmetrical dipoles 1,2; Every secondary symmetrical dipole 1 or 2 includes a pair of radiation arm that is in contiguous installation on the same axis in same plane, and (11a and 11b are a pair of; 21a and 21b are a pair of; Down together); Each radiation arm 11a, 11b, 21a, 21b support by a Ba Lun 13a, 13b, 23a, 23b, and this Ba Lun 13a, 13b, 23a, 23b one end are fixed on the metallic reflection plate 4 of antenna, and the other end is fixedly connected with radiation arm 11a, 11b, 21a, a 21b to form the support to corresponding radiation arm 11a, 11b, 21a, 21b; The tie point of Ba Lun 13a, 13b, 23a, 23b and corresponding radiation arm 11a, 11b, 21a, 21b is positioned at this radiation arm 11a, 11b, 21a, the 21b end near another radiation arm 11b of same secondary symmetrical dipole 1,2,11a, 21b, 21a.In same secondary symmetrical dipole 1 or 2, two Ba Lun ((13a, 13b) or (23a, 23b)) support two radiation arms ((11a, 11b) or (21a, 21b)) respectively.Well-known, Ba Lun 13a, 13b, 23a, 23b also are responsible for introducing signal radiation arm 11a, 11b, 21a, 21b are implemented balanced feeding radiation arm 11a, 11b, 21a, the 21b support except that plaing a part.Thus; A pair of Ba Lun ((13a, 13b) or (23a, 23b)) assembles mutually with a pair of corresponding radiation arm ((11a, 11b) or (21a, 21b)) and promptly forms a complete secondary symmetrical dipole 1 or 2; Two secondary symmetrical dipoles 1,2 with mutually orthogonal being installed together of polarizing, are promptly constituted the physical structure of radiating element of the present invention.
Radiating element integral body of the present invention has centrosymmetric structure; Four radiation arm 11a of two secondary symmetrical dipoles 1,2,11b, 21a, 21b are supported and are co-located on the same plane of reference by high Ba Lun 13a, 13b, 23a, 23b such as four; Therefore; Particularly, radiating element is about the geometric center of this plane of reference structure that is centrosymmetric, and every secondary symmetrical dipole 1,2 is in like manner about the geometric center of this plane of reference structure that is centrosymmetric.In like manner, because of belonging to centrosymmetric structure, by be connected with corresponding radiation arm 11a, 11b, 21a, a 21b four altogether of the assembled units formed of each Ba Lun 13a, 13b, 23a, 23b, these four assembled units are structurally identical.For after state bright convenience, the plane of reference that said each radiation arm 11a, 11b, 21a, 21b is occupied towards each Ba Lun 13a, 13b, 23a, 23b bottom direction extend and the three-dimensional free space that forms is defined as spatial accommodation.This spatial accommodation had both comprised the scope of on the plane of reference, being drawn a circle to approve by radiation arm 11a, 11b, 21a, 21b, comprised that also radiation arm 11a, 11b, 21a, 21b bottom are to the spatial dimension between the metallic reflection plate 4.
The radiation arm 11a, 11b, 21a, the 21b that adopt in the said radiating element are the wall scroll wire, are promptly formed by same continuous wire part moulding.Each radiation arm 11a, 11b, 21a, 21b comprise main body 51 and extension 50; Below be that example describes with radiation arm 21a; It will be understood by those skilled in the art that here the concrete structure about radiation arm 21a also is applicable to other radiation arm 11a, 11b, 21b fully.Said main body 51 places the said plane of reference, promptly arranges moulding along this plane of reference, is formed into circle in the present embodiment.One end of circular body 51; Breaking off the two ends, back with its circular arc is connected with corresponding Ba Lun 23a; The other end of circular body 51; Promptly,, extend to the interior said extension 50 that falls in the said spatial accommodation scope of plane of reference scope that this circular body 51 is drawn a circle to approve thereby be provided with one through the mode of bending away from the end of this Ba Lun 23a.The structure because radiating element integral body is centrosymmetric, this extension 50 in like manner has axially symmetric structure, and its symmetry axis is the symmetry axis of a secondary symmetrical dipole 2 just.Based on this symmetrical characteristic, in the present embodiment, said extension 50 roughly is the U type, has a pair of straight-arm that parallels 52,54 and is connected this to the terminal transition band 53 of straight- arm 52,54 bearing of trends with being used to, and this transition band 53 is shape linearly.Two straight- arm 52,54 equal autonomous agent 51 bendings and going out, so formed acute angles in main body 51 by two positions of bending, whole radiation arm 21a forms a rectangular indentation at its far-end away from Ba Lun 23a under it.Can find out that by Fig. 1 whole extension 50 is the same with entire body 51, is placed in the said plane of reference.Through such design, the length of whole radiation arm 21a extends because of setting up of extension 50, and the signal institute of this radiation arm of feed-in 21a is elongated through the path, can reduce the resonance frequency of symmetrical dipole 2.All radiation arm 11a, 11b, 21a, 21b have same structure, and integral body is wire, obviously, radiating element generally speaking, it is simple in structure and be easy to die sinking die casting.
Each Ba Lun 13a, 13b, 23a, 23b shape and structure that said radiating element adopted are all identical; Please combine Fig. 1 and Fig. 5; The Ba Lun 13a that is adopted, 13b, 23a, 23b are the one extension, and its cross section is half-surrounded with formation open slot 31, in the present embodiment; Israel and Palestine human relations 23a is an example, and its cross section specifically adopts the arc half-surrounded.Two Ba Lun (13a and 13b, 23a and 23b) in the said symmetrical dipole 1,2 of every pair are provided with its open slot 31 each other in opposite directions; Thus; In whole radiating element; Two secondary symmetrical dipoles 1,2, two Ba Lun (13a and 13b, 23a and 23b) separately toward each other, four Ba Lun 13a, 13b, 23a, 23b form a centrosymmetric building enclosure, inside has the cylindrical space that is pintongs plum blossom shape.For four Ba Lun 13a, 13b, 23a, 23b are structurally more become firmly to guarantee its electric property; Near metallic reflection plate 4 positions; Also promptly near each Ba Lun 13a, 13b, 23a, 23b self at; Adjacent per two Ba Lun are connected with connector 30, can being integrally formed base 3.Because Ba Lun 13a, 13b, 23a, 23b are designed with open slot 31; Form semi-open structure, the quality of its electroplating surface is guaranteed easily, help to promote the intermodulation index of radiating element; In addition; Each Ba Lun 13a, 13b, 23a, 23b place with its open slot 31 in twos in opposite directions, can shield the parasitic radiation of Ba Lun 13a, 13b, 23a, 23b inner feeder, help the cross polarization index that improves radiating element.
As previously mentioned; The base 3 that is linked to be by four Ba Lun 13a, 13b, 23a, 23b can be used for being fixed on the metallic reflection plate 4; Four Ba Lun 13a, 13b, 23a, 23b respectively are connected with a radiation arm 11a, 11b, 21a, 21b; Each radiation arm 11a, 11b, 21a, 21b all comprise main body 51 and by main body 51 bendings to extension 50 that said spatial accommodation extends to form; Radiation arm on the open slot 31 a pair of Ba Lun in opposite directions forms secondary symmetrical dipole 1,2, two secondary symmetrical dipoles 1,2 and just is orthogonally set with polarization, and whole radiating element presents centrosymmetric structure.Therefore; Adopt the radiating element of this kind structure, can keep effectively prolonging current path length under the constant basically prerequisite of overall dimensions; And Ba Lun 13a, 13b, 23a, 23b designed openings groove 31 forms semi-open structure; The assurance that more is easy to get of its electroplating surface quality, Ba Lun 13a, 13b, 23a, 23b are provided with open slot 31 and the parasitic radiation of maskable Ba Lun inner feeder in opposite directions, have further comprehensively guaranteed the electric property of whole radiating element.
See also second embodiment of the wideband dual polarized antenna radiation unit of the present invention that Fig. 2 discloses; It only is with the different of first embodiment: the shape of the main body 51 of the radiation arm that radiating element adopted (is example with 21a) is square; Be formed with the both sides that the bending part just is positioned at an angle of this square main body 51 between radiation arm 21a and the extension 50, form a rectangular indentation.
Can know that in conjunction with first and second embodiment shape of the main body 51 of said radiation arm can be by flexible setting, what it not only can be among aforementioned each embodiment is square, circular, can also be other polygon that satisfies aforementioned symmetry characteristic.
See also the 3rd embodiment of the wideband dual polarized antenna radiation unit of the present invention that Fig. 3 discloses; It is that second embodiment remodeling gets; In the present embodiment, said radiation arm (is example with 21a) though extension 50 comprise a pair of straight-arm that is parallel to each other 52,54 equally, different is: be connected in these two straight-arms 52, the transition band between 54 53 is arcuation; Its radian preferably surpasses the semicircle radian, so that make extension 50 obtain bigger size.In like manner, in other not shown embodiment, this transition band 53 can also be designed to the multistage polyline shaped that is made up of the multistage broken line.
According to aforementioned each embodiment, also can further promote: the concrete shape of said extension 50 can directly be circular-arc or the multistage polyline shaped, in like manner also can satisfy the demand that prolongs radiation arm length.
See also Fig. 4; Among the 4th embodiment of wideband dual polarized antenna radiation unit of the present invention; On the basis of aforementioned second embodiment, improve; The main body 51 of its radiation arm (is example with 21b) is the U type still for square, extension 50 still, and extend in by the main body 51 defined plane of reference scopes extension 50, and it is with the different of second embodiment: said extension 50 is restricted to the edge direction vertical with the said plane of reference and extends to spatial accommodation inside; And extension 50 is positioned at the outside by main body 51 defined plane of reference scopes with the position that main body 51 bendings form.In like manner, the change of shape of aforementioned extension 50 is equally applicable in the present embodiment, and the setting of extension 50 bearing of trends of present embodiment is applicable among other aforesaid embodiment too.
In conjunction with above each embodiment, though only disclose the two kind special cases of extension 50 along the extension of said spatial accommodation, the first is overlapped in the said plane of reference, and another is perpendicular to the said plane of reference.Yet those skilled in the art are when knowing, and the wider space of extension 50 can be preferred in whole spatial accommodation, and needn't receive the restriction of disclosed embodiment.
Further, the Ba Lun that aforesaid each embodiment of the present invention is disclosed is identical structure, and Fig. 6 further provides a kind of improvement project about Ba Lun.Be specially: the cross section of said Ba Lun (is example with 23a) comprises that two symmetrically arranged arm spares 231,233 are connected the connector 232 of the same side of these two arm spares with the formation half-surrounded with one.This improved Ba Lun is equally applicable in the previous embodiment of the present invention, is applicable to too among other potential embodiment that the present invention do not disclose.
Fig. 7 and Fig. 8 have provided the voltage standing wave ratio figure and the isolation figure of two polarization of wideband dual polarized antenna radiation unit of the present invention.Can find out that by figure radiating element of the present invention has good broadband character, can satisfy the broadband application demand of 1.7GHz-2.7GHz.
In order to form wideband dual polarized antenna of the present invention; Need to adopt a plurality of radiating elements of the present invention; With the form single file multiple row of these radiating elements with regular matrix; Or multiple lines and multiple rows be arranged on the same metallic reflection plate 4, require these radiating elements are carried out parallelly feeding according to communication antenna.This kind antenna is able to improve because of its radiating element, so in like manner inherited the advantage of its radiating element.
In sum, wideband dual polarized antenna radiation unit of the present invention, simple in structure, compact size, functional, be fit to produce in enormous quantities.
In brief, above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification has carried out detailed explanation to the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (16)
1. wideband dual polarized antenna radiation unit; Comprise the two secondary symmetrical dipoles that polarization is mutually orthogonal; Every secondary symmetrical dipole comprise a pair of radiation arm with respectively at this to radiation arm near an end each radiation arm is implemented a pair of Ba Lun that is used for fixing on the metallic reflection plate that homonymy supports, through this Ba Lun is carried out balanced feeding to this to radiation arm, each radiation arm is arranged at the same plane of reference; Whole radiating element is about the geometric center of this plane of reference structure that is centrosymmetric; It is characterized in that: the space that forms with the extension of this plane of reference Chao Balun bottom direction is defined as spatial accommodation, and described each radiation arm is the wall scroll wire of sealing, has the main body that is in the said plane of reference; At the end of radiation arm away from its corresponding Ba Lun, this radiation arm is provided with the extension that extends to this spatial accommodation from its main bent part.
2. wideband dual polarized antenna radiation unit according to claim 1 is characterized in that, the main body of said radiation arm is square, in circular, the polygon any one.
3. wideband dual polarized antenna radiation unit according to claim 1 is characterized in that, said extension is restricted to is being extended in the defined plane of reference scope by main body.
4. wideband dual polarized antenna radiation unit according to claim 3 is characterized in that, the position that bending forms between said extension and the main body is acute angle.
5. wideband dual polarized antenna radiation unit according to claim 1 is characterized in that, said extension is restricted to and the perpendicular extension of the said plane of reference.
6. wideband dual polarized antenna radiation unit according to claim 5 is characterized in that, the position that the bending of said extension forms is positioned at the outside by the defined plane of reference scope of main body.
7. wideband dual polarized antenna radiation unit according to claim 1 is characterized in that, said extension comprise the autonomous agent bending and a pair of straight-arm that goes out be connected this to the terminal separately transition band of straight-arm.
8. wideband dual polarized antenna radiation unit according to claim 7 is characterized in that, said transition band is any one shape in arcuation, multistage polyline shaped, the linearity.
9. wideband dual polarized antenna radiation unit according to claim 7 is characterized in that this is parallel to each other to straight-arm.
10. wideband dual polarized antenna radiation unit according to claim 1 is characterized in that, said extension integral body is arcuation.
11. according to any described wideband dual polarized antenna radiation unit in the claim 1 to 10; It is characterized in that; Said Ba Lun is the one extension, and its cross section is half-surrounded to form open slot, and two Ba Lun of every pair of said symmetrical dipole are provided with its open slot each other in opposite directions.
12. wideband dual polarized antenna radiation unit according to claim 11 is characterized in that, the cross section of the open slot of said Ba Lun is rounded, polygon or rectangle.
13. wideband dual polarized antenna radiation unit according to claim 11 is characterized in that the cross section of said Ba Lun is the circular arc half-surrounded.
14. wideband dual polarized antenna radiation unit according to claim 11 is characterized in that, the cross section of said Ba Lun comprises that two symmetrically arranged arm spares are connected the connector of the same side of these two arm spares with the formation half-surrounded with one.
15. wideband dual polarized antenna radiation unit according to claim 11 is characterized in that, said each Ba Lun is being connected near said metallic reflection plate place so that each Ba Lun constitutes one.
16. wideband dual polarized antenna; It is characterized in that; It comprises that at least one is like any described radiating element in the claim 1 to 15; With the mode arrangement group battle array and the parallelly feeding of regular matrix, the metallic reflection plate that each radiating element adopted is same metallic reflection plate between a plurality of radiating elements.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083458.9A CN102544764B (en) | 2012-03-26 | 2012-03-26 | Broadband dual-polarization antenna and radiating unit thereof |
| PCT/CN2013/071656 WO2013143364A1 (en) | 2012-03-26 | 2013-02-19 | Wideband dual-polarization antenna and radiating unit thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083458.9A CN102544764B (en) | 2012-03-26 | 2012-03-26 | Broadband dual-polarization antenna and radiating unit thereof |
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| CN102544764A true CN102544764A (en) | 2012-07-04 |
| CN102544764B CN102544764B (en) | 2014-06-11 |
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| WO2013143364A1 (en) * | 2012-03-26 | 2013-10-03 | 京信通信***（中国）有限公司 | Wideband dual-polarization antenna and radiating unit thereof |
| CN103474755A (en) * | 2013-09-05 | 2013-12-25 | 广东博纬通信科技有限公司 | Dual-polarization broadband antenna oscillator unit and broadband antenna |
| WO2015101138A1 (en) * | 2013-12-31 | 2015-07-09 | Alcatel-Lucent Shanghai Bell Co., Ltd. | Multi-band antenna |
| WO2016078475A1 (en) | 2014-11-18 | 2016-05-26 | 李梓萌 | Miniaturized dipole base station antenna |
| CN106025573A (en) * | 2015-03-31 | 2016-10-12 | 启碁科技股份有限公司 | Antenna and composite antenna |
| CN106532272A (en) * | 2016-12-29 | 2017-03-22 | 江苏亚信电子科技有限公司 | Dual-polarized broadband antenna |
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| CN102544764B (en) | 2014-06-11 |
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