CN103326117A - Broadband dual-polarization four-leaf clover plane antenna - Google Patents
Broadband dual-polarization four-leaf clover plane antenna Download PDFInfo
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- CN103326117A CN103326117A CN201310247277XA CN201310247277A CN103326117A CN 103326117 A CN103326117 A CN 103326117A CN 201310247277X A CN201310247277X A CN 201310247277XA CN 201310247277 A CN201310247277 A CN 201310247277A CN 103326117 A CN103326117 A CN 103326117A
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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
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- 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
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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
- H01Q19/108—Combination of a dipole with a plane reflecting surface
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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
- 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
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Abstract
The invention discloses a broadband dual-polarization four-leaf clover plane antenna which is suitable for 2G/3G/LTE(4G) systems. The broadband dual-polarization four-leaf clover plane antenna comprises an antenna radiating element, a baffle board and two feeder lines. The antenna radiating element is fixed on the upper face of the baffle board through an insulating supporting structure and comprises a positive 45-degree polarization four-leaf clover oscillator and a negative 45-degree polarization four-leaf clover oscillator, wherein each four-leaf clover oscillator comprises a radiating arm and a micro-strip line, a four-leaf clover-shaped radiating arm is etched on a medium substrate to form each radiating arm, the micro-strip lines are used for feeding the radiating arms, and the micro-strip lines are also etched on the medium substrate. The two feeder lines are connected with the micro-strip line of the positive 45-degree polarization four-leaf clover oscillator and the micro-strip line of the negative 45-degree polarization four-leaf clover oscillator respectively. The broadband dual-polarization four-leaf clover plane antenna has the advantages of being novel and simple in structure, small in size, convenient to machine and form, wide in frequency band, high in isolation degree, stable in radiation pattern, high in gain, the polarization ratio and the front-to-rear ratio, and the like.
Description
Technical field
The present invention relates to a kind of antenna of mobile communication base station technology, particularly a kind of wideband dual polarized bunge bedstraw herb flat plane antenna.
Background technology
Develop rapidly along with mobile communication technology, the mobile communication system of different frequency range has appearred using in succession, just there is 2G present stage in China, 3G, LTE (4G) system, wherein the 2G system uses frequency range 1710-1850MHz, comprise the systems such as GSM1800, the 3G system uses frequency range 1880-2170MHz, the cdma2000 that comprises 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 the 1710-2690MHz frequency range at present.Therefore, the antenna for base station of new design and installation requires bandwidth need cover 1710-2690MHz fully to support simultaneously different mobile communication system.And owing to use the user of wireless mobile services to present explosive growth, and 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, and the capacity of Effective Raise communication system is applied widely in antenna for base station.Therefore can support simultaneously the wideband dual polarized antenna of mobile communication base station of 2G, 3G, LTE system to have very important practical value and market value.
At present, Bipolarization antenna for base station mainly contains two kinds, is respectively paster antenna and element antenna.Paster antenna is generally sandwich construction, and feeding classification is complicated; Element antenna generally is the upright oscillator of right-angled intersection, also has quadrature to place the upright oscillator of (non-right-angled intersection), mostly is stereochemical structure, and shared swept area is larger.Paster antenna is for realizing dual polarization, and feed structure itself is more complicated, and the general bandwidth of paster antenna is narrower, need to do improvement to feed structure for obtaining large bandwidth and high isolation, and it is more complicated that feeding classification becomes.Element antenna generally is made of radiation arm and supporting construction, and its feed generally all needs complicated barron structure, and the forms such as coaxial Ba Lun, integrated Ba Lun are arranged, and the barron structure operated by rotary motion is in the supporting construction part.All there is complex structure in paster antenna and element antenna, be unfavorable for the extensive shortcoming of making, and the great majority in them do not have the bandwidth of supporting 2G, 3G, LTE (4G) system fully, and perhaps 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 with not enough, a kind of wideband dual polarized bunge bedstraw herb flat plane antenna is provided, this antenna performance is excellent, simple in structure, be convenient to manufacturing.
Purpose of the present invention is achieved through the following technical solutions: a kind of wideband dual polarized bunge bedstraw herb flat plane antenna, comprise antenna radiation unit, reflecting plate, the 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, and described radiation arm comprises the first radiation arm and the second radiation arm; Described+45 ° polarization bunge bedstraw herb oscillator and-45 ° of polarization bunge bedstraw herb oscillator central cross intersections are etched on the medium substrate; Described+45 ° polarization bunge bedstraw herb oscillator and the 45 ° of bunge bedstraw herb oscillators that polarize of being connected do not connect; The first radiation arm of described+45 ° polarization bunge bedstraw herb oscillator is connected with the microstrip line of+45 ° of polarization bunge bedstraw herb oscillators, be etched in the front of medium substrate, the second radiation arm of described+45 ° polarization bunge bedstraw herb oscillator is etched in the back side of medium substrate, the first radiation arm of described-45 ° of polarization bunge bedstraw herb oscillators is connected with the microstrip line of-45 ° of polarization bunge bedstraw herb oscillators, 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 the first feeder line links to each other with the microstrip line of+45 ° of polarization bunge bedstraw herb oscillators, and described the second feeder line links to each other with the microstrip line of-45 ° of polarization bunge bedstraw herb oscillators.
Wideband dual polarized bunge bedstraw herb flat plane antenna of the present invention has been realized ± 45 ° of dual polarizations with a radiating element, described antenna radiation unit is axially symmetric structure, described antenna radiation unit has symmetry axis, described symmetry axis passes the center of antenna radiation unit, described symmetry axis comprises+45 ° of symmetry axis and-45 ° of symmetry axis, be positioned at+a pair of (that is: two) the bunge bedstraw herb shape radiation arm on 45 ° of symmetry axis and the microstrip line that is positioned on this axle consist of+45 ° of polarization bunge bedstraw herb oscillators together, and described+45 a ° polarization bunge bedstraw herb oscillator is used for realizing+45 ° of polarization; The microstrip line that is positioned at a pair of bunge bedstraw herb shape radiation arm on-45 ° of symmetry axis and is positioned on this axle consists of-45 ° of polarization bunge bedstraw herb oscillators, and described-45 ° of polarization bunge bedstraw herb oscillators are used for realizing-45 ° of polarization; Polarization isolation between described+45 ° polarization and-45 ° of polarization can reach 30dB.
The preferred clover configuration of the radiation arm of described radiating element, bunge bedstraw herb shape radiation arm help antenna to obtain broadband and good radiation characteristic.Described clover configuration can be decomposed into 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.Trapezoidal or the oval-shaped distortion of any change, 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 were energized ,-45 ° of polarization bunge bedstraw herb oscillators became parasitic element; When-45 ° of polarization bunge bedstraw herb oscillators were energized ,+45 ° of polarization bunge bedstraw herb oscillators became 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 is with one section feed microstrip line, and 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
1Be the corresponding wavelength of frequency 2.2GHz in the medium substrate.
Described supporting construction is insulating supporting structure, and the height of described insulating supporting structure depends on antenna radiator apart from the height of reflecting plate, and altitude range is 0.1 λ
0～0.5 λ
0, wherein, λ
0Be wavelength corresponding to free space frequency 2.2GHz.Described insulating supporting structure is sticking plaster or wooden stick.
The reflecting plate of described antenna is the structure with side, be bent to form side structure on two side direction of reflecting plate, described reflecting plate bottom surface is rectangular flat plate, and a upwards side structure of bending is respectively arranged on two long limits of described base plate, and side structure is divided into hypotenuse and vertical edge two parts, preferred 45 ° of the bending angle of hypotenuse, 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 has just realized ± 45 ° of dual polarizations with an antenna radiation unit, the whole plane structure; Volume is little, and width is 135mm only; Have the broadband that can cover 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 obtained high-gain, high polarization ratio and high before and after specific characteristic; This wideband dual polarized bunge bedstraw herb flat plane antenna can be supported 2G, 3G, LTE(4G fully) system.
Operation principle of the present invention: the present invention has just realized ± 45 ° of dual polarizations with an antenna radiation unit, the whole plane structure; Volume is little, and width is 135mm only; Have the broadband that can cover 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 has obtained high gain characteristics; This wideband dual polarized bunge bedstraw herb flat plane antenna can be supported 2G, 3G, LTE(4G fully) system.
The present invention has following advantage and effect with respect to prior art:
1, ± 45 ° dual polarization bunge bedstraw herb flat plane antenna is made 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 the medium substrate, has the simple structure of whole plane, and is 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 was energized, the radiation arm of the bunge bedstraw herb oscillator of another polarization was used as the parasitic element of antenna, strengthened the beamwidth of antenna by coupling; To bunge bedstraw herb oscillator feed, just can obtain bandwidth performance without complicated feed structures such as wideband baluns with microstrip line, cover 1710-2690MHz fully.
3, antenna has only just been realized ± 45 ° of dual polarizations with a radiating element, and compact conformation is small and exquisite, and width is 135mm only, less than the industry standard of 150mm.This antenna adopts the reflecting plate with side, and antenna pattern is stable, has realized 65 ± 5 ° horizontal plane half-power beam width by the design to reflecting plate, guarantees simultaneously to compare performance before and after high-gain and the height.
4, when forming base-station antenna array, unit interval can reach a wavelength of highest frequency and graing lobe not occur at high frequency, and elevation radiation patytern is stable.
5, novel structure, radiating element present bunge bedstraw herb shape, simple in structure and whole plane; Building block is few, is convenient to machine-shaping; And have that broadband, high-isolation, antenna pattern are stable, high-gain, high polarization ratio and high before and after the characteristic of ratio.
Description of drawings
Fig. 1 is the tomograph of this wideband dual polarized bunge bedstraw herb flat plane antenna.
Fig. 2 is the front view of this wideband dual polarized bunge bedstraw herb flat plane antenna.
Fig. 3 is the front sectional elevation of this wideband dual polarized bunge bedstraw herb flat plane antenna.
Fig. 4 is the left pseudosection of this wideband dual polarized bunge bedstraw herb flat plane antenna.
Fig. 5 is the bandwidth measured result figure of this wideband dual polarized bunge bedstraw herb flat 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 feed microstrip lines; 6B ,-45 ° of polarization bunge bedstraw herb oscillator feed microstrip lines; 7, medium substrate; 8, non-metallic through hole; 9, metallization via hole; 10, side.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, the wideband dual polarized bunge bedstraw herb flat plane antenna of the present invention comprises radiating element 1, reflecting plate 2, feeder line 3 and supporting construction 4.Antenna radiation unit 1 by supporting construction 4 be fixed in reflecting plate 2 directly over, apart from 36mm.
Fig. 2 is wideband dual polarized bunge bedstraw herb flat 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 the 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 consist of+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 feed microstrip line 6B consist of-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.
The shape of radiation arm 5A-5D and bunge bedstraw herb shape are quite similar, and four radiation arms have consisted of 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 all 1.6mm mutually with the feed micro belt line width, high 16.2mm, lower bottom width～32.35mm, the angle on two waists and base is 46.5 °, preferably adopts Special Elliptic---circle, its diameter～32.35, identical with trapezoidal base length, radiation arm overall length 32.4mm.
The present invention has just realized ± 45 ° of dual polarizations with a radiating element, 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 by the coupling between the adjacent radiation arm, such as radiation arm 5A and 5D, radiation arm 5D and 5B, radiation arm 5B and 5C, the coupling between radiation arm 5C and the 5A, the angle between the adjacent radiation arm is less, be coupled stronger, corner dimension remains in 0～40 ° of scope.Microstrip line 6A, 6B are mutually orthogonal, and in order to give+/-45 ° of polarization bunge bedstraw herb oscillator feeds, the width of microstrip line is 1.6mm respectively, characteristic of correspondence impedance 50 Ω, and the length of feed microstrip line all is 5mm.Coupling between the radiation arm and microstrip line coupling feed, so that antenna has the bandwidth that can cover 1710-2690MHz fully, simultaneously, when a kind of bunge bedstraw herb oscillator of polarization is energized, couple current in the feed port of the bunge bedstraw herb oscillator of another kind polarization is very little, therefore obtains the high-isolation of 30dB.
As shown in Figure 3 and Figure 4, with two feeder line 3A, 3B carries out feed for respectively+45 ° of polarization bunge bedstraw herb oscillators and-45 ° of polarization bunge bedstraw herb oscillators, feeder line can be soft coaxial or hard coaxial etc., this example adopts soft coaxial, 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 passes non-metallic through hole 8 and microstrip line 6A welding, the outer conductor of the first feeder line 3A welds with the second radiation arm 5B of+45 ° of polarization bunge bedstraw herb oscillators, 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 and microstrip line 6B welding, the outer conductor of the second feeder line 3B penetrates metallization via hole 9, welds with radiation arm 5D, this antenna only needs two solder joints, is conducive to the intermodulation performance that antenna obtains.
The structure that reflecting plate 2 adopts with side 10, described side 10 protrudes the reflecting plate surface, reflecting plate 2 length are 200mm, and overall width is 135mm, and reflecting plate 2 can adopt the sheet materials such as aluminium sheet, copper coin, it is 120mm that the base plate of reflecting plate 2 keeps 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, bending angle is 135 ° for the second time, and the length of bending part is 5mm.
The present embodiment actual measurement gained beamwidth of antenna such as Fig. 5, figure reaches a conclusion thus, wideband dual polarized bunge bedstraw herb flat plane antenna of the present invention has the bandwidth of 1.7-2.7GHz, return loss reaches-15dB, can cover the 1710-2690MHz frequency range fully, and on this broadband, polarization isolation is more than 30dB.
The present invention only just can realize ± 45 ° of dual polarizations with a radiating element, and the required space of arranging is little, is conducive to the antenna for base station miniaturization.When forming base-station antenna array, the spacing between the radiating element can reach 110mm(～λ
2, λ
2Be the corresponding wavelength of free space frequency 2.7GHz), and graing lobe does not appear in high band, under two kinds of polarization modes, horizontal plane, vertical plane radiation patterns are stablized in the 1710-2690MHz frequency range; The gain of unit 8 uniform straight line array can be up to 17dBi, and gain is no more than 2dB in the variation of 1710-2690MHz frequency range.
The present invention has the simple structure of whole plane, volume is little, making is simple, with roomy, isolation is high, antenna pattern is stable, the high characteristics of gain, and is very suitable for antenna of mobile communication base station.
Above-described embodiment is the better execution mode of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. wideband dual polarized bunge bedstraw herb flat plane antenna, comprise antenna radiation unit, reflecting plate, the 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, and described radiation arm comprises the first radiation arm and the second radiation arm; The first radiation arm of described+45 ° polarization bunge bedstraw herb oscillator is connected with the microstrip line of+45 ° of polarization bunge bedstraw herb oscillators, the first radiation arm of described+45 ° polarization bunge bedstraw herb oscillator is etched in the front of medium substrate, the second radiation arm of described+45 ° polarization bunge bedstraw herb oscillator is etched in the back side of medium substrate, the first radiation arm of described-45 ° of polarization bunge bedstraw herb oscillators is connected with the microstrip line of-45 ° of polarization bunge bedstraw herb oscillators, the first radiation arm of-45 ° of polarization bunge bedstraw herb oscillators is etched in the back side of medium substrate, and the 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 ° polarization bunge bedstraw herb oscillator is etched in the medium substrate front; The microstrip line of described-45 ° of polarization bunge bedstraw herb oscillators is etched in the medium substrate back side; Described the first feeder line links to each other with the microstrip line of+45 ° of polarization bunge bedstraw herb oscillators, and described the second feeder line links to each other with the microstrip line of-45 ° of polarization bunge bedstraw herb oscillators.
2. wideband dual polarized bunge bedstraw herb flat 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 passes the center of antenna radiation unit, described symmetry axis comprises+45 ° of symmetry axis and-45 ° of symmetry axis, and described+45 ° polarization bunge bedstraw herb oscillator comprises and being positioned at+microstrip line on the first radiation arm, the second radiation arm on 45 ° of symmetry axis and be positioned at+45 ° symmetry axis; Described-45 ° of polarization bunge bedstraw herb oscillators comprise be positioned at-45 ° on the symmetry axis the first radiation arm, the second radiation arm and be positioned at-45 ° of microstrip lines on the symmetry axis.
3. wideband dual polarized bunge bedstraw herb flat 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. each described wideband dual polarized bunge bedstraw herb flat plane antenna according to claim 1～2 is characterized in that: when+45 ° of polarization bunge bedstraw herb oscillators were energized ,-45 ° of polarization bunge bedstraw herb oscillators were as parasitic element; When-45 ° of polarization bunge bedstraw herb oscillators were energized ,+45 ° of polarization bunge bedstraw herb oscillators were as parasitic element; Angular range between the trapezoidal hypotenuse of two adjacent described bunge bedstraw herb shape radiation arms is 0～40 degree.
5. each described wideband dual polarized bunge bedstraw herb flat plane antenna according to claim 1～2, it is characterized in that: the span of the characteristic impedance of described microstrip line is 40～60 Ω, the length range of described microstrip line is 0～16.472 millimeter.
6. according to claims 1 described wideband dual polarized bunge bedstraw herb flat plane antenna, it is characterized in that, the altitude range of described supporting construction is 13.636～68.18 millimeters.
7. according to claims 3 described wideband dual polarized bunge bedstraw herb flat plane antennas, it is characterized in that: described trapezium structure is isosceles trapezoidal structure.
8. according to claims 1 described wideband dual polarized bunge bedstraw herb flat plane antenna, it is characterized in that: described supporting construction is insulating supporting structure, and described insulating supporting structure is sticking plaster or wooden stick.
9. according to claims 1 described wideband dual polarized bunge bedstraw herb flat plane antenna, it is characterized in that: described reflecting plate is the structure with side, and described side protrudes the 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 |
| PCT/CN2014/080391 WO2014202019A1 (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 |
| EP14813693.0A EP3012910A4 (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 true CN103326117A (en) | 2013-09-25 |
| CN103326117B CN103326117B (en) | 2016-03-30 |
Family
ID=49194736
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN103956565A (en) * | 2014-04-21 | 2014-07-30 | 华南理工大学 | Dipole dual polarization LTE wide-band antenna |
| WO2014202019A1 (en) * | 2013-06-20 | 2014-12-24 | 中兴通讯股份有限公司 | Broadband dual-polarization four-leaf clover planar aerial |
| CN104638347A (en) * | 2015-01-29 | 2015-05-20 | 华南理工大学 | Broadband dual-polarization plane base station antenna |
| CN104733844A (en) * | 2015-03-21 | 2015-06-24 | 西安电子科技大学 | Planar-broadband dual-polarization base station antenna |
| CN104900998A (en) * | 2015-05-05 | 2015-09-09 | 西安电子科技大学 | Low-profile dual-polarized base station antenna |
| CN104993226A (en) * | 2015-06-24 | 2015-10-21 | 华南理工大学 | Artificial magnetic conductor unit, artificial magnetic conductor structure and planar antenna |
| CN105490021A (en) * | 2015-12-08 | 2016-04-13 | 南京信息工程大学 | Coplanar waveguide-fed polarized reconfigurable clover antenna |
| CN105762508A (en) * | 2016-03-23 | 2016-07-13 | 重庆邮电大学 | Broadband dual-polarized mobile base station antenna unit equipped with metallic pillars |
| CN105846075A (en) * | 2016-05-26 | 2016-08-10 | 电子科技大学 | Miniaturized broadband planar dual-polarized antenna |
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| WO2019062654A1 (en) * | 2017-09-27 | 2019-04-04 | 华南理工大学 | Novel spread spectrum broadband base station antenna |
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| CN103956565A (en) * | 2014-04-21 | 2014-07-30 | 华南理工大学 | Dipole dual polarization LTE wide-band antenna |
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| CN113612021A (en) * | 2021-08-05 | 2021-11-05 | 东南大学 | Miniaturized 45-degree dual-polarized crossed dipole antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014202019A1 (en) | 2014-12-24 |
| EP3012910A1 (en) | 2016-04-27 |
| CN103326117B (en) | 2016-03-30 |
| JP2016524414A (en) | 2016-08-12 |
| EP3012910A4 (en) | 2016-06-29 |
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