CN103474754A - Single-polarized and dual-polarized antenna array radiating element and antenna - Google Patents
Single-polarized and dual-polarized antenna array radiating element and antenna Download PDFInfo
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- CN103474754A CN103474754A CN2013103961595A CN201310396159A CN103474754A CN 103474754 A CN103474754 A CN 103474754A CN 2013103961595 A CN2013103961595 A CN 2013103961595A CN 201310396159 A CN201310396159 A CN 201310396159A CN 103474754 A CN103474754 A CN 103474754A
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Abstract
The invention provides a single-polarized antenna array radiating element which comprises a circuit board, two dipole unit arms and two metal radiating components. The circuit board is in a symmetrical half-wave dipole shape, the two dipole unit arms are arranged on one face of the circuit board, and the two metal radiating components are mounted on the two dipole unit arms respectively. The dipole unit arms are mounted on a floor in a circuit board mode, and the two dipole unit arms are connected with the floor. In addition, the invention further provides a dual-polarized antenna array radiating element and an antenna. The single-polarized and dual-polarized antenna array radiating element and the antenna are simple in structure, and have the advantages of excellent directional diagram constraint characteristics, cross polarization ratio characteristics, good radiating performance and wide frequency bands, coexistence using of various communication standards can be achieved, the number of base station antennas is effectively reduced, and the multi-band antenna design is simplified.
Description
Technical field
The present invention relates to communication field, be specifically related to a kind of single, double poliarizing antenna a period of time radiating element and antenna.
Background technology
Along with the development of mobile communication technology and the guidance of telecommunications policy, mobile communication is more and more higher to the requirement of network.Granting along with domestic 3G license, the mobile communications network of TD-SCDMA, WCDMA, tri-kinds of standards of CDMA2000 has all started to build and operation, and the 4G LTE network of building has important requirement to wideband performance, cross characteristic, the wide frequency communication system develops, the working frequency range of various standards is constantly expanded, the operating frequency of the smart antenna in the TD-S network is 1880-1920MHz, 2010-2025MHz, 2300-2400MHz, the communications band of DCS is 1710MHz – 2170MHz, and the some work frequency range of WiMax is 2300MHz – 2690MHz.Antenna for base station is the important component part of mobile communication system, and antenna multifrequency community antenna and wide frequency antenna are the antenna for base station developing direction in future.
The broadband dual polarized antenna that prior art provides or antenna a period of time great majority are only supported GSM1800, GSM1900 and F, A frequency range, are applicable to 2G or part 3G network that 1700MHz – 2200MHz frequency range is used.And the mobile communication of a new generation needs is antenna and the antenna element appearance of super wideband, need to be applicable to the UWB (Ultra Wideband) Antenna of 1700MHz-2700MHz on market, its relative bandwidth is to approach 45% more, for building new 3G, 4G communication network and compatible 2G network in the past, to realize the progressively update of network.Existing dual polarized antenna a period of time generally is difficult to reach requirement, and the UWB (Ultra Wideband) Antenna formed thus also is difficult to create.Therefore, antenna a period of time of designing a kind of super wideband is its important technical work.
Antenna a period of time has the advantages such as the beamwidth convergence is good, cross polarization is higher than performance, the sector, overlay area power (SPR) of composition Cellular Networks is low, is for improving the important requirement of interference free performance.Meanwhile, be subject to the requirement of landscaping more and more higher, beautifying of exterior aerial becomes very important.A period of time unit of traditional wide frequency antenna is used higher irradiation structure to improve standing wave, perhaps use the combination of multifrequency antenna a period of time to cover wideband, cause the size of antenna to be difficult to further dwindle, landscaping effect and antenna volume are all not ideal enough, and the visual pollution caused is also standby valued problem.
Summary of the invention
The object of the invention is to, for the deficiencies in the prior art, a kind of single, double poliarizing antenna a period of time radiating element and antenna are provided, cover the frequency ranges such as 1700MHz-2700MHz such as LTE, TDS, DCS, realize that coexisting of multiple communication standard used and effectively reduce the antenna for base station number, simplify the multiband aerial design.
For achieving the above object, the present invention is by the following technical solutions:
A kind of single-polarized antenna a period of time radiating element, described single-polarized antenna a period of time radiating element comprises:
The circuit board of a symmetrical half-wave dipole shape;
Two doublet unit arms, be arranged at the one side of described circuit board;
Two metal radiation parts, be installed on respectively on described two doublet unit arms;
Wherein, described doublet unit arm is installed on floor with the circuit board form, and described two doublet unit arms are connected with described floor.
Preferably, described two metal radiation parts mutually near and be positioned at the Central Symmetry position of described single-polarized antenna a period of time radiating element, and described two metal radiation parts are arranged at respectively the top of described two doublet unit arms.
Preferably, described single-polarized antenna a period of time radiating element also comprises: mate and feed circuit, be arranged at the other one side of described circuit board, for impedance matching and feed-in electromagnetic wave;
Preferably, described single-polarized antenna a period of time radiating element also comprises: braced wing, and for supporting described two doublet unit arms.
Preferably, described two metal radiation parts tilt to the outside on described two doublet unit arms respectively.
Preferably, described metal radiation parts are annular or rhombus.
A kind of dual polarized antenna a period of time radiating element, be installed on the metallic reflection plate, and described dual polarized antenna a period of time radiating element comprises:
The a pair of circuit board that is symmetrical half-wave dipole shape;
The first doublet unit, comprise the first doublet unit arm and the second doublet unit arm, and wherein, described the first doublet unit arm and described the second doublet unit arm are arranged at respectively the one side of a circuit board;
The second doublet unit, comprise the 3rd doublet unit arm and the 4th doublet unit arm, and wherein, described the 3rd doublet unit arm and described the 4th doublet unit arm are arranged at respectively the one side of another one circuit board;
Wherein, described the first doublet unit and described the second doublet unit are that a pair of polarization orthogonal is placed and symmetrical metal dipole radiating element, described the first doublet unit and described the second doublet unit also comprise two metal radiation parts separately, are installed on respectively on doublet unit arm separately;
Wherein, each doublet unit arm all is installed on floor with the circuit board form.
Preferably, described the first doublet unit and described the second doublet unit are combined to form the polarised direction of positive and negative 45 degree.
Preferably, two metal radiation parts of described the first doublet unit mutually near and be positioned at the Central Symmetry position of described the first doublet unit, and two metal radiation parts of described the first doublet unit are arranged at respectively the top of described the first doublet unit arm and described the second doublet unit arm.
Preferably, two metal radiation parts of described the first doublet unit all tilt 10 °～20 ° to the outside of described the first doublet unit, so that the height of the outer ledge of described the first doublet unit reduces.
Preferably, two metal radiation parts of described the second doublet unit mutually near and be positioned at the Central Symmetry position of described the second doublet unit, and two metal radiation parts of described the second doublet unit are arranged at respectively the top of described the 3rd doublet unit arm and described the 4th doublet unit arm.
Preferably, two metal radiation parts of described the second doublet unit all tilt 10 °～20 ° to the outside of described the second doublet unit, so that the height of the outer ledge of described the second doublet unit reduces.
Preferably, described dual polarized antenna a period of time radiating element also comprises: coaxial cable is connected to the metallic reflection plate by the first doublet unit and the second doublet unit respectively, for feed.
Preferably, described dual polarized antenna a period of time radiating element also comprises: braced wing, for supporting the first doublet unit arm and the second doublet unit arm of described the first doublet unit, and the 3rd doublet unit arm and the 4th doublet unit arm for supporting described the second doublet unit also.
Preferably, the dielectric material plate of described dual polarized antenna a period of time radiating element and described metallic reflection plate forms a PCB circuit board, wherein, the one side of described PCB circuit board is provided with two doublet unit arms of described the first doublet unit and two doublet unit arms of described the second doublet unit, and the another side of described PCB circuit board is provided with impedance matching circuit.
A kind of wide frequency antenna comprises: as the metallic reflection plate of reflector;
The above-described single-polarized antenna a period of time radiating element arranged on described metallic reflection plate or above-described dual polarized antenna a period of time radiating element.
A kind of wide frequency antenna comprises: as the metallic reflection plate of reflector;
A plurality of above-described dual polarized antenna a period of time radiating element arranged in described metallic reflection plate equal intervals;
Be provided with spacer between adjacent dual polarized antenna a period of time radiating element.
A kind of multifrequency antenna comprises: as the metallic reflection plate of reflector;
Be provided with a plurality of low-frequency antenna radiating elements and high frequency antenna radiating element on described metallic reflection plate;
Wherein at least one low-frequency antenna radiating element, be embedded with above-described single-polarized antenna a period of time radiating element or above-described dual polarized antenna a period of time radiating element.
A kind of single, double poliarizing antenna a period of time radiating element provided by the invention and antenna, simple in structure, and there is outstanding directional diagram binding feature, cross polarization specific characteristic, the advantage of the good and bandwidth of radiance, can realize that coexisting of multiple communication standard used and effectively reduce the antenna for base station number, simplify the multiband aerial design, and can cover the frequency ranges such as 1700MHz-2700MHz such as LTE, TDS, DCS, realize that coexisting of multiple communication standard used and effectively reduce the antenna for base station number, simplify the multiband aerial design.
The accompanying drawing explanation
The perspective view of a kind of single-polarized antenna a period of time radiating element that Fig. 1 provides for the embodiment of the present invention;
The perspective view of the second single-polarized antenna a period of time radiating element that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 for the embodiment of the present invention provide the 3rd in the perspective view of single-polarized antenna a period of time radiating element;
The perspective view of a kind of dual polarized antenna a period of time radiating element that Fig. 4 provides for the embodiment of the present invention;
The structural representation of overlooking of a kind of dual polarized antenna a period of time radiating element that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the side-looking of a kind of dual polarized antenna a period of time radiating element that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of wide frequency antenna that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is elaborated.
As shown in Figure 1, a kind of single-polarized antenna a period of time radiating element provided for the embodiment of the present invention, for being arranged on metallic reflection plate 1.
In the present embodiment, a kind of single-polarized antenna a period of time radiating element comprises: the PCB circuit board 2 of a symmetrical half-wave dipole shape, coupling and feed circuit 3, two braced wing 4a and 4b, two metal radiation parts 5a and 5b, two doublet unit arm 6a and 6b.
In the present embodiment, two doublet unit arm 6a and 6b are arranged at the one side of described PCB circuit board 2, two metal radiation parts 5a and 5b are installed on respectively on described two doublet unit arm 6a and 6b, preferably, two metal radiation parts 5a and 5b are arranged on respectively on two doublet unit arm 6a and 6b by Type of Welding.
Wherein, described doublet unit arm 6a and 6b are installed on floor with the circuit board form, and described two doublet unit arm 6a are connected with described floor with 6b, preferred, and two doublet unit arm 6a and 6b and floor link together by Type of Welding.
In the present embodiment, two metal radiation parts 5a and 5b mutually near and be positioned at the Central Symmetry position of described single-polarized antenna a period of time radiating element, and described two metal radiation parts 5a and 5b are arranged at respectively the top of described two doublet unit arm 6a and 6b.
In the present embodiment, coupling and feed circuit 3 are arranged at the other one side of described PCB circuit board 2, for impedance matching and feed-in electromagnetic wave.
In the present embodiment, also there is two braced wing 4a and 4b, be respectively used to support described two doublet unit arm 6a and 6b.
In the present embodiment, metal radiation parts 5a and 5b are annular or rhombus, and for example, the metal radiation parts 5a shown in Fig. 1 and 5b are annular, and the metal radiation parts 5a shown in Fig. 2 and 5b are rhombus.Except annular and rhombus, described metal radiation parts 5a and 5b can also, for other shapes, not exemplify at this one by one.
Preferably, in Fig. 1 and Fig. 2, metal radiation parts 5a and 5b tilt to the outside on two doublet unit arm 6a and 6b respectively.This incline structure is only preferred embodiment a kind of, in practical engineering application, and all right horizontal positioned of metal radiation parts 5a and 5b, as shown in Figure 3.
As shown in Fig. 4-6, a kind of dual polarized antenna a period of time radiating element that the embodiment of the present invention provides, for being arranged on metallic reflection plate 1, described dual polarized antenna a period of time radiating element comprises:
The a pair of PCB circuit board 3 that is symmetrical half-wave dipole shape;
The first doublet unit 6, comprise the first doublet unit arm 6a and the second doublet unit arm 6b, and wherein, the first doublet unit arm 6a and the second doublet unit arm 6b are arranged at respectively the one side of a PCB circuit board 3;
The second doublet unit 7, comprise the 3rd doublet unit arm 7a and the 4th doublet unit arm 7b, and wherein, the 3rd doublet unit arm 7a and the 4th doublet unit arm 7b are arranged at respectively the one side of another one PCB circuit board 3;
Wherein, the first doublet unit 6 and the second doublet unit 7 are that a pair of polarization orthogonal is placed and symmetrical metal dipole radiating element, the first doublet unit 6 also comprises two metal radiation parts 4 separately with described the second doublet unit 7, is installed on respectively on doublet unit arm (i.e. first to fourth doublet unit arm) separately;
Wherein, each doublet unit arm all is installed on floor with the circuit board form.
In the present embodiment, the first doublet unit 6 and the second doublet unit 7 are combined to form the polarised direction of positive and negative 45 degree.
In the present embodiment, two metal radiation parts 4 of the first doublet unit 6 mutually near and be positioned at the Central Symmetry position of the first doublet unit 6, and two metal radiation parts 4 of the first doublet unit 6 are arranged at respectively the top of the first doublet unit arm 6a and the second doublet unit arm 6b.
Two metal radiation parts 4 of the first doublet unit 6 all tilt 10 °～20 ° to the outside of the first doublet unit 6, so that the height of the outer ledge of the first doublet unit 6 reduces, the design of this top arc is applicable to the use of small-sized exhaust-pipe-shaped antenna.
Accordingly, two metal radiation parts 4 of the second doublet unit 7 mutually near and be positioned at the Central Symmetry position of the second doublet unit 7, and two metal radiation parts 4 of the second doublet unit 7 are arranged at respectively the top of the 3rd doublet unit arm 7a and the 4th doublet unit arm 7b.
In the present embodiment, two metal radiation parts 4 of the second doublet unit 7 all tilt 10 °～20 ° to the outside of the second doublet unit 7, so that the height of the outer ledge of the second doublet unit 7 reduces, the design of this top arc is applicable to the use of small-sized exhaust-pipe-shaped antenna.
The dielectric material plate of dual polarized antenna a period of time radiating element and metallic reflection plate 1 forms a PCB circuit board 3, wherein, the one side of described PCB circuit board 3 is provided with two doublet unit arms of the first doublet unit 6 and two doublet unit arms of the second doublet unit 7, and the another side of described PCB circuit board 3 is provided with impedance matching circuit 8.
In the present embodiment, metallic reflection plate 1 can be the circuit material sheet material that single face covers copper, can greatly alleviate antenna weight and facilitate dual polarized antenna a period of time radiating element to be weldingly fixed on sheet material, usually under, under general case, the antenna-reflected plate is that the sheet metal material is made, and cost is low, technique is simple.
In the present embodiment, symmetrical fixed hole position is left on metallic reflection plate 1 both sides, for increasing the boundary condition that can limit, laterally places opening U-shaped metal improvement front and back ratio outwardly such as increasing, and other boundary constraint horizontal beam widths of increasing are arranged.
Dual polarized antenna a period of time radiating element also comprises a plurality of coaxial cables 2, respectively the first doublet unit 6 and the second doublet unit 7 is connected to metallic reflection plate 1, for feed.In the present embodiment, dual polarized antenna a period of time radiating element carries out feed by coaxial cable 2, concrete, and coaxial cable 2 is welded on dual polarized antenna a period of time radiating element, and is connected with metallic reflection plate 1, to form current circuit.
In the present embodiment, the top of the doublet unit of each polarization tilts to have a pair of circular ring metal radiation component 4, circular ring metal radiation component 4 form that is centrosymmetric is placed, and the doublet unit wall is fixed by welding manner accordingly, to form current path.Should be noted that; connected mode and installation site are not limited in figure shown in position, and the cross section of metal radiation parts 4 can also be prismatic except annular; other are any close to this structure and do not make great change, all belong to the scope of protection of the invention.
In the present embodiment, the a pair of doublet unit arm of the first doublet unit 6 or the second doublet unit 7 all is fixed on a surface of PCB circuit board 3, wherein, impedance matching circuit 8 is set on another surface of PCB circuit board 3 and carries out feed, and carried out the non-equilibrium Ba Lun to balance and transformed, made PCB circuit board 3 and doublet unit form one of them polarization in antenna a period of time.In the present embodiment, impedance matching circuit 8 is used shunt capacitance and the series capacitance of high impedance lines, microstrip transmission line, open circuited transmission line or equivalence to realize impedance matching, has conveniently, precision is high, be easy to the characteristics that large-scale production is manufactured.Simultaneously, this structure combines the function of Ba Lun dexterously, due to the back up Dipole Arrays electronic circuit of the PCB circuit board 3 of doublet unit, the mode by series capacitance in dipole cutler feed, be converted to the uneven feed of coaxial cable 2 mode of balanced feeding.
In addition, dual polarized antenna a period of time radiating element also comprises braced wing 5, for supporting the first doublet unit arm 6a and the second doublet unit arm 6b of the first doublet unit 6, and the 3rd doublet unit arm 7a and the 4th doublet unit arm 7b for supporting the second doublet unit 7 also.In the present embodiment, braced wing 5, in order to overcome the insufficient strength of only using frivolous PCB circuit board 3 to cause, is generally used the assembling mode of welding, and certain, braced wing 5 can otherwise be fixed, and is not limited to the structure of the design's appointment.
In addition, the present invention also provides a kind of wide frequency antenna, comprising:
Metallic reflection plate as reflector;
The above-described single-polarized antenna a period of time radiating element arranged on described metallic reflection plate or above-described dual polarized antenna a period of time radiating element.
As shown in Figure 7, a kind of wide frequency antenna provided by the invention comprises:
A plurality of dual polarized antenna a period of time radiating element 2 arranged in described metallic reflection plate 1 equal intervals;
Be provided with spacer 3 between adjacent dual polarized antenna a period of time radiating element 2, for optimizing isolation.
The present invention also provides a kind of multifrequency antenna, comprising:
Metallic reflection plate as reflector;
Be provided with a plurality of low-frequency antenna radiating elements and high frequency antenna radiating element on described metallic reflection plate;
Wherein at least one low-frequency antenna radiating element, be embedded with above-described single-polarized antenna a period of time radiating element or above-described dual polarized antenna a period of time radiating element.
A kind of single, double poliarizing antenna a period of time radiating element provided by the invention and antenna, simple in structure, and there is outstanding directional diagram binding feature, cross polarization specific characteristic, the advantage of the good and bandwidth of radiance, can realize that coexisting of multiple communication standard used and effectively reduce the antenna for base station number, simplify the multiband aerial design, and can cover the frequency ranges such as 1700MHz-2700MHz such as LTE, TDS, DCS, realize that coexisting of multiple communication standard used and effectively reduce the antenna for base station number, simplify the multiband aerial design.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (18)
1. single-polarized antenna a period of time radiating element, is characterized in that, described single-polarized antenna a period of time radiating element comprises:
The circuit board of a symmetrical half-wave dipole shape;
Two doublet unit arms, be arranged at the one side of described circuit board;
Two metal radiation parts, be installed on respectively on described two doublet unit arms;
Wherein, described doublet unit arm is installed on floor with the circuit board form, and described two doublet unit arms are connected with described floor.
2. single-polarized antenna a period of time radiating element according to claim 1, is characterized in that,
Described two metal radiation parts mutually near and be positioned at the Central Symmetry position of described single-polarized antenna a period of time radiating element, and described two metal radiation parts are arranged at respectively the top of described two doublet unit arms.
3. single-polarized antenna a period of time radiating element according to claim 1, is characterized in that, described single-polarized antenna a period of time radiating element also comprises:
Mate and feed circuit, be arranged at the other one side of described circuit board, for impedance matching and feed-in electromagnetic wave.
4. single-polarized antenna a period of time radiating element according to claim 1, is characterized in that, described single-polarized antenna a period of time radiating element also comprises:
Braced wing, for supporting described two doublet unit arms.
5. single-polarized antenna a period of time radiating element according to claim 1, is characterized in that, described two metal radiation parts tilt to the outside on described two doublet unit arms respectively.
6. single-polarized antenna a period of time radiating element according to claim 1, is characterized in that, described metal radiation parts are annular or rhombus.
7. dual polarized antenna a period of time radiating element, be installed on the metallic reflection plate, it is characterized in that, described dual polarized antenna a period of time radiating element comprises:
The a pair of circuit board that is symmetrical half-wave dipole shape;
The first doublet unit, comprise the first doublet unit arm and the second doublet unit arm, and wherein, described the first doublet unit arm and described the second doublet unit arm are arranged at respectively the one side of a circuit board;
The second doublet unit, comprise the 3rd doublet unit arm and the 4th doublet unit arm, and wherein, described the 3rd doublet unit arm and described the 4th doublet unit arm are arranged at respectively the one side of another one circuit board;
Wherein, described the first doublet unit and described the second doublet unit are that a pair of polarization orthogonal is placed and symmetrical metal dipole radiating element, described the first doublet unit and described the second doublet unit also comprise two metal radiation parts separately, are installed on respectively on doublet unit arm separately;
Wherein, each doublet unit arm all is installed on floor with the circuit board form.
8. dual polarized antenna a period of time radiating element according to claim 7, is characterized in that, described the first doublet unit and described the second doublet unit are combined to form the polarised direction of positive and negative 45 degree.
9. dual polarized antenna a period of time radiating element according to claim 8, it is characterized in that, two metal radiation parts of described the first doublet unit mutually near and be positioned at the Central Symmetry position of described the first doublet unit, and two metal radiation parts of described the first doublet unit are arranged at respectively the top of described the first doublet unit arm and described the second doublet unit arm.
10. dual polarized antenna a period of time radiating element according to claim 9, it is characterized in that, two metal radiation parts of described the first doublet unit all tilt 10 °～20 ° to the outside of described the first doublet unit, so that the height of the outer ledge of described the first doublet unit reduces.
11. dual polarized antenna a period of time radiating element according to claim 8, it is characterized in that, two metal radiation parts of described the second doublet unit mutually near and be positioned at the Central Symmetry position of described the second doublet unit, and two metal radiation parts of described the second doublet unit are arranged at respectively the top of described the 3rd doublet unit arm and described the 4th doublet unit arm.
12. dual polarized antenna a period of time radiating element according to claim 11, it is characterized in that, two metal radiation parts of described the second doublet unit all tilt 10 °～20 ° to the outside of described the second doublet unit, so that the height of the outer ledge of described the second doublet unit reduces.
13. dual polarized antenna a period of time radiating element according to claim 7, is characterized in that, described dual polarized antenna a period of time radiating element also comprises:
Coaxial cable, be connected to the metallic reflection plate by the first doublet unit and the second doublet unit respectively, for feed.
14. dual polarized antenna a period of time radiating element according to claim 7, is characterized in that, described dual polarized antenna a period of time radiating element also comprises:
Braced wing, for the first doublet unit arm and the second doublet unit arm that supports described the first doublet unit, and the 3rd doublet unit arm and the 4th doublet unit arm for supporting described the second doublet unit also.
15. dual polarized antenna a period of time radiating element according to claim 7, it is characterized in that, the dielectric material plate of described dual polarized antenna a period of time radiating element and described metallic reflection plate forms a PCB circuit board, wherein, the one side of described PCB circuit board is provided with two doublet unit arms of described the first doublet unit and two doublet unit arms of described the second doublet unit, and the another side of described PCB circuit board is provided with impedance matching circuit.
16. a wide frequency antenna, is characterized in that, comprising:
Metallic reflection plate as reflector;
As arbitrary as the claim 1-6 described single-polarized antenna a period of time radiating element arranged on described metallic reflection plate or described dual polarized antenna a period of time radiating element as arbitrary as claim 7-15.
17. a wide frequency antenna, is characterized in that, comprising:
Metallic reflection plate as reflector;
A plurality of as arbitrary as the claim 7-15 described dual polarized antenna a period of time radiating element arranged in described metallic reflection plate equal intervals;
Be provided with spacer between adjacent dual polarized antenna a period of time radiating element.
18. a multifrequency antenna, is characterized in that, comprising:
Metallic reflection plate as reflector;
Be provided with a plurality of low-frequency antenna radiating elements and high frequency antenna radiating element on described metallic reflection plate;
Wherein at least one low-frequency antenna radiating element, be embedded with the arbitrary described single-polarized antenna a period of time radiating element of claim 1-6 or the arbitrary described dual polarized antenna a period of time radiating element of claim 7-15.
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| CN105305095A (en) * | 2014-05-27 | 2016-02-03 | 深圳光启智能光子技术有限公司 | Dual-band antenna |
| CN105633562A (en) * | 2014-05-27 | 2016-06-01 | 深圳光启智能光子技术有限公司 | Dual-band antenna |
| CN105633562B (en) * | 2014-05-27 | 2020-08-04 | 深圳光启智能光子技术有限公司 | Dual band antenna |
| CN107171064A (en) * | 2017-06-07 | 2017-09-15 | 江苏华灿电讯股份有限公司 | A kind of three port dual-band antennas |
| CN108400428A (en) * | 2018-03-13 | 2018-08-14 | 广东通宇通讯股份有限公司 | The method and lifting device of ratio before and after a kind of promotion antenna for base station |
| CN108400428B (en) * | 2018-03-13 | 2023-11-24 | 广东通宇通讯股份有限公司 | Method and device for improving front-to-back ratio of base station antenna |
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| CN103474754B (en) | 2015-08-12 |
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