CN103326117B - A kind of broadband dual-polarization four-leaf clover plane antenna - Google Patents
A kind of broadband dual-polarization four-leaf clover plane antenna Download PDFInfo
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- CN103326117B CN103326117B CN201310247277.XA CN201310247277A CN103326117B CN 103326117 B CN103326117 B CN 103326117B CN 201310247277 A CN201310247277 A CN 201310247277A CN 103326117 B CN103326117 B CN 103326117B
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- bunge bedstraw
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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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- 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
- H01Q19/108—Combination of a dipole with a plane reflecting surface
-
- 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
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
- H01Q9/285—Planar dipole
Abstract
The invention discloses a kind of broadband dual-polarization four-leaf clover plane antenna, this antenna is applicable to 2G/3G/LTE(4G) system, comprise antenna radiation unit, reflecting plate and two feeder lines.Described antenna radiation unit is fixed on directly over reflecting plate by insulating supporting structure, comprise+45 ° of polarization bunge bedstraw herb oscillators and-45 ° of polarization bunge bedstraw herb oscillators, bunge bedstraw herb oscillator comprises radiation arm and microstrip line, radiation arm is that bunge bedstraw herb shape radiation arm is etched on medium substrate, microstrip line is used for radiation arm feed, is also etched on medium substrate.Article two, feeder line, polarize with the +/-45 ° respectively microstrip line of bunge bedstraw herb oscillator of each bar feeder line is connected.Have novel structure, structure is simple, and volume is little, is convenient to machine-shaping, broadband, high-isolation, antenna pattern are stable, high-gain, high polarization ratio and high before and after the advantage such as ratio.
Description
Technical field
The present invention relates to a kind of antenna of mobile communication base station technology, particularly a kind of broadband dual-polarization four-leaf clover plane antenna.
Background technology
Along with the develop rapidly of mobile communication technology, in succession there is the mobile communication system using different frequency range, just there is 2G present stage in China, 3G, LTE (4G) system, wherein 2G system uses frequency range 1710-1850MHz, comprise the systems such as GSM1800, 3G system uses frequency range 1880-2170MHz, comprise the cdma2000 of China Telecom, the TD-SCDMA system of China Mobile and the WCDMA system of CHINAUNICOM, along with 2.3GHz frequency range (2300-2400MHz) and 2.6GHz frequency range (2500-2690MHz) are divided into LTE(4G) frequency range, the wireless communication system of China has covered 1710-2690MHz frequency range at present.Therefore, the antenna for base station of new design and installation requires that bandwidth need cover 1710-2690MHz completely to support different mobile communication system simultaneously.And owing to using the user of wireless mobile services to present explosive growth, the continuous dilatation of communication system, extended frequency band can not meet the demands.Dual polarized antenna uses the technology such as polarization diversity, channeling, effectively improves the capacity of communication system, is applied widely in antenna for base station.Therefore can support that the wideband dual polarized antenna of mobile communication base station of 2G, 3G, LTE system has very important practical value and market value simultaneously.
At present, Bipolarization antenna for base station mainly contains two kinds, is paster antenna and element antenna respectively.Paster antenna is generally sandwich construction, and feeding classification is complicated; Element antenna is generally the upright oscillator of right-angled intersection, and also have the upright oscillator of orthogonal placement (non-right-angled intersection), mostly be stereochemical structure, shared swept area is larger.Paster antenna is for realizing dual polarization, and feed structure itself more complicated, and the general bandwidth of paster antenna is narrower, for obtaining large bandwidth and high isolation needs to improve feed structure, feeding classification becomes more complicated.Element antenna is generally made up of radiation arm and supporting construction, and its feed generally all needs complicated barron structure, and have the forms such as coaxial Ba Lun, integrated Ba Lun, barron structure is generally arranged on supporting construction part.All there is complex structure in paster antenna and element antenna, is unfavorable for the extensive shortcoming manufactured, and the great majority in them do not have the bandwidth supporting 2G, 3G, LTE (4G) system completely, or the performance such as directional diagram is not ideal enough.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art and deficiency, a kind of broadband dual-polarization four-leaf clover plane antenna is provided, this antenna performance is excellent, structure is simple, be convenient to manufacture.
Object of the present invention is achieved through the following technical solutions: a kind of broadband dual-polarization four-leaf clover plane antenna, comprise antenna radiation unit, reflecting plate, first feeder line and the second feeder line, described antenna radiation unit is fixed on the top of reflecting plate by supporting construction, it is characterized in that, described antenna radiation unit is planar structure, described antenna radiation unit has bunge bedstraw herb oscillator and medium substrate, described bunge bedstraw herb oscillator comprises+45 ° of polarization bunge bedstraw herb oscillators and-45 ° of polarization bunge bedstraw herb oscillators, described bunge bedstraw herb oscillator comprises radiation arm and microstrip line, described radiation arm is bunge bedstraw herb shape radiation arm, described radiation arm comprises the first radiation arm and the second radiation arm, described+45 ° of polarization bunge bedstraw herb oscillators and-45 ° of polarization bunge bedstraw herb oscillator central cross intersections are etched on medium substrate, described+45 ° of polarization bunge bedstraw herb oscillators are not connected with-45 ° of polarization bunge bedstraw herb oscillators, first radiation arm of described+45 ° of polarization bunge bedstraw herb oscillators is connected with the microstrip line of+45 ° of bunge bedstraw herb oscillators that polarize, be etched in the front of medium substrate, second radiation arm of described+45 ° of polarization bunge bedstraw herb oscillators is etched in the back side of medium substrate, first radiation arm of described-45 ° of polarization bunge bedstraw herb oscillators is connected with the microstrip line of-45 ° of bunge bedstraw herb oscillators that polarize, be etched in the back side of medium substrate, the second radiation arm of described-45 ° of polarization bunge bedstraw herb oscillators is etched in the front of medium substrate, described first feeder line is connected with the microstrip line of+45 ° of bunge bedstraw herb oscillators that polarize, and described second feeder line is connected with the microstrip line of-45 ° of bunge bedstraw herb oscillators that polarize.
A broadband dual-polarization four-leaf clover plane antenna of the present invention radiating element achieves ± 45 ° of dual polarizations, described antenna radiation unit is axially symmetric structure, described antenna radiation unit has symmetry axis, described symmetry axis is through the center of antenna radiation unit, described symmetry axis comprises+45 ° of symmetry axis and-45 ° of symmetry axis, being positioned at a pair (that is: two) bunge bedstraw herb shape radiation arm on+45 ° of symmetry axis with being positioned at together with the microstrip line on this axle forms+45 ° of polarization bunge bedstraw herb oscillators, and described+45 ° of polarization bunge bedstraw herb oscillators are used for realizing+45 ° of polarization; Be positioned at a pair bunge bedstraw herb shape radiation arm on-45 ° of symmetry axis and be positioned at microstrip line formation-45 ° of polarization bunge bedstraw herb oscillators on this axle, described-45 ° of polarization bunge bedstraw herb oscillators are used for realizing-45 ° of polarization; Polarization isolation between described+45 ° of polarization and-45 ° of polarization can reach 30dB.
The preferred clover configuration of radiation arm of described radiating element, bunge bedstraw herb shape radiation arm contributes to antenna and obtains broadband and good radiation characteristic.Described clover configuration can be analyzed to a trapezium structure and half ellipsoidal structure, ellipsoidal structure circular structure, the preferred isosceles trapezoidal structure of trapezium structure, radiation brachium 0.15 λ
0~ 0.35 λ
0.the distortion that any change is trapezoidal or oval, its citation form all still can be counted as bunge bedstraw herb shape.
When the bunge bedstraw herb oscillator of a kind of polarization of described antenna is energized, the radiation arm of the bunge bedstraw herb oscillator of another polarization is used as the parasitic element of antenna, strengthen the beamwidth of antenna by coupling, when+45 ° of polarization bunge bedstraw herb oscillators are energized ,-45 ° of polarization bunge bedstraw herb oscillators become parasitic element; When-45 ° of polarization bunge bedstraw herb oscillators are energized ,+45 ° of polarization bunge bedstraw herb oscillators become parasitic element; Angle between the trapezoidal hypotenuse of two adjacent described radiation arms is less, is coupled stronger, and the angular range between the trapezoidal hypotenuse at adjacent radiation arm edge is 0 ° ~ 40 °.
Described feed structure is very simple, and described bunge bedstraw herb oscillator one section of feed microstrip line, the characteristic impedance of described microstrip line is between 40 ~ 60 Ω, and the length range of described microstrip line is 0 ~ 0.2 λ
1, wherein, λ
1for the wavelength in medium substrate corresponding to frequency 2.2GHz.
Described supporting construction is insulating supporting structure, and the height of described insulating supporting structure depends on the height of antenna radiator distance reflecting plate, and altitude range is 0.1 λ
0~ 0.5 λ
0, wherein, λ
0for the wavelength that free space frequency 2.2GHz is corresponding.Described insulating supporting structure is sticking plaster or wooden stick.
The reflecting plate of described antenna is the structure of band side, two side direction of reflecting plate are bent to form side structure, described reflecting plate bottom surface is rectangular flat plate, respectively has a side structure upwards bent on two long limits of described base plate, and side structure is divided into hypotenuse and vertical edge two part, the bending angle of hypotenuse preferably 45 °, the scope of bending angle is 0-90 °, the preferred 10mm of length, and vertical edge is perpendicular to base plate, the preferred 5mm of length, hypotenuse and vertical edge length range >1mm.
Operation principle of the present invention: the present invention's antenna radiation unit just achieves ± 45 ° of dual polarizations, whole plane structure; Volume is little, and width is 135mm only; Have and can cover the broadband of 1710-2690MHz and the high-isolation of 30dB; Because antenna structure is symmetrical, the antenna pattern height under two kinds of polarization modes is consistent, and obtains high-gain, high polarization ratio and high front and back specific characteristic; This broadband dual-polarization four-leaf clover plane antenna can support 2G, 3G, LTE(4G completely) system.
Operation principle of the present invention: the present invention's antenna radiation unit just achieves ± 45 ° of dual polarizations, whole plane structure; Volume is little, and width is 135mm only; Have and can cover the broadband of 1710-2690MHz and the high-isolation of 30dB; Because antenna structure is symmetrical, the antenna pattern height under two kinds of polarization modes is consistent, and obtains high gain characteristics; This broadband dual-polarization four-leaf clover plane antenna can support 2G, 3G, LTE(4G completely) system.
The present invention has following advantage and effect relative to prior art:
1, ± 45 ° of dual polarization bunge bedstraw herb flat plane antennas are made up of+45 ° of polarization bunge bedstraw herb oscillators and-45 ° of polarization bunge bedstraw herb oscillators, and the bunge bedstraw herb oscillator of each polarization comprises bunge bedstraw herb shape radiation arm and microstrip line; The radiating element of antenna is etched on one piece of medium substrate, has the simple structure of whole plane, simple for production.
2, the radiation arm of antenna adopts bunge bedstraw herb shape radiation arm, is conducive to antenna and obtains broadband and stable radiance; When the bunge bedstraw herb oscillator of a kind of polarization of affiliated antenna radiation unit is energized, the radiation arm of the bunge bedstraw herb oscillator of another polarization is used as the parasitic element of antenna, strengthens the beamwidth of antenna by coupling; With microstrip line to bunge bedstraw herb oscillator feed, just can obtain bandwidth performance without complicated feed structures such as wideband baluns, cover 1710-2690MHz completely.
3, antenna only just achieves ± 45 ° of dual polarizations with a radiating element, and compact conformation is small and exquisite, and width is 135mm only, is less than the industry standard of 150mm.This antenna adopts the reflecting plate with side, and antenna pattern is stablized, and by achieving the horizontal plane half-power beam width of 65 ± 5 ° to the design of reflecting plate, guarantees that performance is compared in high-gain and high front and back simultaneously.
4, when forming base-station antenna array, unit interval can reach a wavelength of highest frequency and not occur graing lobe at high frequency, and elevation radiation patytern is stablized.
5, novel structure, radiating element presents bunge bedstraw herb shape, the simple and whole plane of structure; Building block is few, is convenient to machine-shaping; And there is broadband, high-isolation, antenna pattern are stablized, high-gain, high polarization ratio and high before and after the characteristic of ratio.
Accompanying drawing explanation
Fig. 1 is the tomograph of this broadband dual-polarization four-leaf clover plane antenna.
Fig. 2 is the front view of this broadband dual-polarization four-leaf clover plane antenna.
Fig. 3 is the front sectional elevation of this broadband dual-polarization four-leaf clover plane antenna.
Fig. 4 is the left pseudosection of this broadband dual-polarization four-leaf clover plane antenna.
Fig. 5 is the bandwidth measured result figure of this broadband dual-polarization four-leaf clover plane antenna.
Description of reference numerals in Fig. 1 ~ 5 is as follows:
1, antenna radiation unit; 2, reflecting plate; 3A, the first feeder line; 3B, the second feeder line 4, supporting construction; 5A ,+45 ° of polarization bunge bedstraw herb oscillator first radiation arms; 5B ,+45 ° of polarization bunge bedstraw herb oscillator second radiation arms; 5C ,-45 ° of polarization bunge bedstraw herb oscillator first radiation arms; 5D ,-45 ° of polarization bunge bedstraw herb oscillator second radiation arms; 6A ,+45 ° of polarization bunge bedstraw herb oscillator feeding microstrip line; 6B ,-45 ° of polarization bunge bedstraw herb oscillator feeding microstrip line; 7, medium substrate; 8, non-metallic through hole; 9, metallize via hole; 10, side.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, broadband dual-polarization four-leaf clover plane antenna of the present invention comprises radiating element 1, reflecting plate 2, feeder line 3 and supporting construction 4.Antenna radiation unit 1 is fixed on directly over reflecting plate 2 by supporting construction 4, distance 36mm.
Fig. 2 is broadband dual-polarization four-leaf clover plane antenna radiating element front plan view, and radiating element 1 comprises four radiation arm 5A-5D and microstrip line 6A, 6B, and radiation arm 5A-5D and microstrip line 6A, 6B are etched on same medium substrate 7; Medium substrate 7 adopts high frequency sheet material RO4350B, thickness 0.76mm, relative dielectric constant 3.48, radiation arm 5A, 5D are etched in the upper surface of medium substrate, radiation arm 5B, 5C are etched in the lower surface of medium substrate, microstrip line 6A is etched in the upper surface of medium substrate, and microstrip line 6B is etched in the lower surface of medium substrate.Radiation arm 5A, radiation arm 5B and microstrip line 6A form+45 ° of polarization bunge bedstraw herb oscillators, and radiation arm 5A is the first radiation arm of+45 ° of polarization bunge bedstraw herb oscillators, and radiation arm 5B is the second radiation arm of+45 ° of polarization bunge bedstraw herb oscillators; Radiation arm 5C, radiation arm 5D and feeding microstrip line 6B form-45 ° of polarization bunge bedstraw herb oscillators, and radiation arm 5C is the first radiation arm of-45 ° of polarization bunge bedstraw herb oscillators, and radiation arm 5D is the second radiation arm of-45 ° of polarization bunge bedstraw herb oscillators.
Shape and the bunge bedstraw herb shape of radiation arm 5A-5D are quite similar, and four radiation arms constitute a bunge bedstraw herb.Radiation arm forms by an isosceles trapezoid with by half ellipse that major axis splits, the upper base of isosceles trapezoid is identical with fed microstrip line width is 1.6mm, high 16.2mm, lower bottom width ~ 32.35mm, the angle on two waists and base is 46.5 °, preferably adopts Special Elliptic---circular, and its diameter ~ 32.35, identical with trapezoidal base length, radiation arm overall length 32.4mm.
The present invention's radiating element just achieves ± 45 ° of dual polarizations, when a kind of bunge bedstraw herb oscillator of polarization is energized, the radiation arm of the bunge bedstraw herb oscillator of another polarization is used as the parasitic element of antenna, strengthens the beamwidth of antenna, such as radiation arm 5A and 5D by the coupling between adjacent radiation arm, radiation arm 5D and 5B, radiation arm 5B and 5C, the coupling between radiation arm 5C and 5A, the angle between adjacent radiation arm is less, be coupled stronger, corner dimension remains within the scope of 0 ~ 40 °.Microstrip line 6A, 6B are mutually orthogonal, and respectively in order to give +/-45 ° polarization bunge bedstraw herb oscillator feed, the width of microstrip line is 1.6mm, characteristic of correspondence impedance 50 Ω, and the length of feeding microstrip line is all 5mm.Coupling between radiation arm and microstrip lines feed, antenna is made to have the bandwidth that can cover 1710-2690MHz completely, simultaneously, when a kind of bunge bedstraw herb oscillator of polarization is energized, very little at the couple current of the feed port of the bunge bedstraw herb oscillator of another kind polarization, therefore obtain the high-isolation of 30dB.
As shown in Figure 3 and Figure 4, with two feeder line 3A, 3B carries out feed to respectively+45 ° of polarization bunge bedstraw herb oscillators and-45 ° of polarization bunge bedstraw herb oscillators, feeder line can be soft coaxial or firmly coaxial etc., this example adopts coaxially soft, for+45 ° of polarization bunge bedstraw herb oscillators, its second radiation arm 5B is provided with a non-metallic through hole 8, the inner core of the first feeder line 3A welds with microstrip line 6A through non-metallic through hole 8, the outer conductor of the first feeder line 3A welds with the second radiation arm 5B of+45 ° of bunge bedstraw herb oscillators that polarize, for-45 ° of polarization bunge bedstraw herb oscillators, its second radiation arm 5D is provided with a metallization via hole 9, the inner core of the second feeder line 3B welds with microstrip line 6B, the outer conductor of the second feeder line 3B penetrates metallization via hole 9, weld with radiation arm 5D, this antenna only needs two solder joints, be conducive to the intermodulation performance that antenna obtains.
Reflecting plate 2 adopts the structure of band side 10, described side 10 protrudes reflecting plate surface, reflecting plate 2 length is 200mm, and overall width is 135mm, and reflecting plate 2 can adopt the sheet material such as aluminium sheet, copper coin, it is 120mm that the base plate of reflecting plate 2 retains dull and stereotyped width, dual side-edge upwards bends secondary, and bending angle is 135 ° for the first time, and the length of bending part is 10mm, second time bending angle is 135 °, and the length of bending part is 5mm.
If Fig. 5 is the present embodiment actual measurement gained beamwidth of antenna, figure reaches a conclusion thus, broadband dual-polarization four-leaf clover plane antenna of the present invention has the bandwidth of 1.7-2.7GHz, return loss reaches-15dB, 1710-2690MHz frequency range can be covered completely, and on this broadband, polarization isolation is at more than 30dB.
The present invention only just can realize ± 45 ° of dual polarizations with a radiating element, and required arrangement space is little, is conducive to antenna for base station miniaturization.When forming base-station antenna array, the spacing between radiating element can reach 110mm(~ λ
2, λ
2wavelength for corresponding to free space frequency 2.7GHz), and there is not graing lobe in high band, under two kinds of polarization modes, horizontal plane, vertical plane radiation patterns are stable in 1710-2690MHz frequency range; Unit 8 uniform rectilinear array gain can up to 17dBi, and gain is no more than 2dB in the change of 1710-2690MHz frequency range.
The present invention has the simple structure of whole plane, and volume is little, making is simple, with roomy, that isolation is high, antenna pattern is stablized, gain is high feature, is very suitablely used as antenna of mobile communication base station.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. a broadband dual-polarization four-leaf clover plane antenna, comprise antenna radiation unit, reflecting plate, first feeder line and the second feeder line, described antenna radiation unit is fixed on the top of reflecting plate by supporting construction, it is characterized in that, described antenna radiation unit is planar structure, described antenna radiation unit has bunge bedstraw herb oscillator and medium substrate, described bunge bedstraw herb oscillator comprises+45 ° of polarization bunge bedstraw herb oscillators and-45 ° of polarization bunge bedstraw herb oscillators, described bunge bedstraw herb oscillator comprises radiation arm and microstrip line, described radiation arm is bunge bedstraw herb shape radiation arm, described radiation arm comprises the first radiation arm and the second radiation arm, first radiation arm of described+45 ° of polarization bunge bedstraw herb oscillators is connected with the microstrip line of+45 ° of bunge bedstraw herb oscillators that polarize, first radiation arm of described+45 ° of polarization bunge bedstraw herb oscillators is etched in the front of medium substrate, second radiation arm of described+45 ° of polarization bunge bedstraw herb oscillators is etched in the back side of medium substrate, first radiation arm of described-45 ° of polarization bunge bedstraw herb oscillators is connected with the microstrip line of-45 ° of bunge bedstraw herb oscillators that polarize, first radiation arm of-45 ° of polarization bunge bedstraw herb oscillators is etched in the back side of medium substrate, second radiation arm of described-45 ° of polarization bunge bedstraw herb oscillators is etched in the front of medium substrate, the microstrip line of described+45 ° of polarization bunge bedstraw herb oscillators is etched in medium substrate front, the microstrip line of described-45 ° of polarization bunge bedstraw herb oscillators is etched in the medium substrate back side, described first feeder line is connected with the microstrip line of+45 ° of bunge bedstraw herb oscillators that polarize, and described second feeder line is connected with the microstrip line of-45 ° of bunge bedstraw herb oscillators that polarize.
2. broadband dual-polarization four-leaf clover plane antenna according to claim 1, it is characterized in that: described antenna radiation unit is axially symmetric structure, described antenna radiation unit has symmetry axis, described symmetry axis is through the center of antenna radiation unit, described symmetry axis comprises+45 ° of symmetry axis and-45 ° of symmetry axis, the microstrip line that described+45 ° of polarization bunge bedstraw herb oscillators comprise the first radiation arm be positioned on+45 ° of symmetry axis, the second radiation arm and are positioned on+45 ° of symmetry axis; The microstrip line that described-45 polarization bunge bedstraw herb oscillators comprise the first radiation arm be positioned on-45 ° of symmetry axis, the second radiation arm and are positioned on-45 ° of symmetry axis.
3. broadband dual-polarization four-leaf clover plane antenna according to claim 1, it is characterized in that: described bunge bedstraw herb shape radiation arm is bunge bedstraw herb shape structure, described bunge bedstraw herb shape structure comprises trapezium structure and ellipsoidal structure, and the length range of described radiation arm is 20.454 ~ 47.726 millimeters.
4. the broadband dual-polarization four-leaf clover plane antenna according to any one of claim 1 ~ 2, is characterized in that: when+45 ° of polarization bunge bedstraw herb oscillators are energized ,-45 ° of polarization bunge bedstraw herb oscillators are as parasitic element; When-45 ° of polarization bunge bedstraw herb oscillators are energized ,+45 ° of polarization bunge bedstraw herb oscillators are as parasitic element; Angular range between adjacent two described bunge bedstraw herb shape radiation arms is 0 ~ 40 degree.
5. the broadband dual-polarization four-leaf clover plane antenna according to any one of claim 1 ~ 2, is characterized in that: the span of the characteristic impedance of described microstrip line is 40 ~ 60 Ω, and the length range of described microstrip line is 0 ~ 16.472 millimeter.
6. broadband dual-polarization four-leaf clover plane antenna according to claim 1, is characterized in that, the altitude range of described supporting construction is 13.636 ~ 68.18 millimeters.
7. broadband dual-polarization four-leaf clover plane antenna according to claim 3, is characterized in that: described trapezium structure is isosceles trapezoidal structure.
8. broadband dual-polarization four-leaf clover plane antenna according to claim 1, is characterized in that: described supporting construction is insulating supporting structure, and described insulating supporting structure is sticking plaster or wooden stick.
9. broadband dual-polarization four-leaf clover plane antenna according to claim 1, is characterized in that: described reflecting plate is the structure of band side, and described side protrudes reflecting plate surface.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310247277.XA CN103326117B (en) | 2013-06-20 | 2013-06-20 | A kind of broadband dual-polarization four-leaf clover plane antenna |
| EP14813693.0A EP3012910A4 (en) | 2013-06-20 | 2014-06-20 | Broadband dual-polarization four-leaf clover planar aerial |
| JP2016518829A JP2016524414A (en) | 2013-06-20 | 2014-06-20 | Broadband dual-polarization 4-leaf clover planar antenna |
| PCT/CN2014/080391 WO2014202019A1 (en) | 2013-06-20 | 2014-06-20 | Broadband dual-polarization four-leaf clover planar aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310247277.XA CN103326117B (en) | 2013-06-20 | 2013-06-20 | A kind of broadband dual-polarization four-leaf clover plane antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103326117A CN103326117A (en) | 2013-09-25 |
| CN103326117B true CN103326117B (en) | 2016-03-30 |
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|---|---|---|---|
| CN201310247277.XA Active CN103326117B (en) | 2013-06-20 | 2013-06-20 | A kind of broadband dual-polarization four-leaf clover plane antenna |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3012910A4 (en) |
| JP (1) | JP2016524414A (en) |
| CN (1) | CN103326117B (en) |
| WO (1) | WO2014202019A1 (en) |
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| CN103326117B (en) * | 2013-06-20 | 2016-03-30 | 中兴通讯股份有限公司 | A kind of broadband dual-polarization four-leaf clover plane antenna |
| WO2015159871A1 (en) * | 2014-04-18 | 2015-10-22 | 日本電業工作株式会社 | Antenna and sector antenna |
| CN103956565B (en) * | 2014-04-21 | 2016-08-24 | 华南理工大学 | A kind of dipole dual polarization LTE broad-band antenna |
| CN104638347B (en) * | 2015-01-29 | 2018-09-14 | 华南理工大学 | A kind of wideband dual polarized plane antenna for base station |
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| CN104900998B (en) * | 2015-05-05 | 2018-05-15 | 西安电子科技大学 | Low section Bipolarization antenna for base station |
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| CN105762508B (en) * | 2016-03-23 | 2018-08-31 | 重庆邮电大学 | A kind of broadband dual polarization mobile base station antenna unit of metal-loaded column |
| CN105846075A (en) * | 2016-05-26 | 2016-08-10 | 电子科技大学 | Miniaturized broadband planar dual-polarized antenna |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3012910A4 (en) | 2016-06-29 |
| WO2014202019A1 (en) | 2014-12-24 |
| CN103326117A (en) | 2013-09-25 |
| EP3012910A1 (en) | 2016-04-27 |
| JP2016524414A (en) | 2016-08-12 |
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