CN108011185A - A kind of low section printing sleeve dual polarized antenna for LTE communication - Google Patents
A kind of low section printing sleeve dual polarized antenna for LTE communication Download PDFInfo
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- CN108011185A CN108011185A CN201711158054.0A CN201711158054A CN108011185A CN 108011185 A CN108011185 A CN 108011185A CN 201711158054 A CN201711158054 A CN 201711158054A CN 108011185 A CN108011185 A CN 108011185A
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- antenna
- antenna element
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- dual polarized
- slab
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
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- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of low section printing sleeve dual polarized antenna for LTE communication of the invention, including：Upper surface antenna element, lower surface antenna element, antenna element dielectric-slab and metallic reflection plate, wherein upper surface antenna element, lower surface antenna element and antenna element dielectric-slab form dual polarized antenna unit；Dual polarized antenna unit is connected with the metallic reflection plate being disposed below by two feed lines, and upper surface antenna element and lower surface antenna element are fed respectively；Upper surface antenna element and lower surface antenna element are located at the upper and lower surface of antenna element dielectric-slab respectively, and into vertical distribution, phase is respectively ± 45 °.The invention has the advantages that：Antenna section can be made to be lower, ensure performance, realize the miniaturization of antenna for base station.The present invention has multiple adjustable parameters, can be designed that the wider antenna of frequency band.Allow in structure of the present invention using the miniaturization that antenna is realized after transverse plane open loop structure.
Description
Technical field
The present invention relates to a kind of low section printing sleeve dual polarized antenna for LTE communication, realized using sleeve antenna
Dual polarization and realize wider working band.
Background technology
Recently as mobile Internet business and the rise of internet of things service and development, user needs mobile broadband service
Ask more and more vigorous, the access rate and quality requirement to mobile communications network are also higher and higher, original to be based on CDMA
(CDMA) 3G and its enhancing technology future will be unable to meet business development needs, therefore 3GPP and 3GPP2 tissues were from 2004
Start start Long Term Evolution (LTE), it is intended to by introducing some key technologies, as Orthogonal Frequency Division Multiplexing (OFDM) modulation technique,
Multiple-input, multiple-output (MIMO) technology, hybrid automatic repeat-request (HARQ), full IP flat architectures and Dynamic Bandwidth Allocation etc. are realized
Network is changed, and reaches network performance as described below, technical guarantee is provided for mobile broadband multimedia service sustainable development.
Long Term Evolution LTE (Long-Term Evolution) LTE is communicated from the third generation communication technology to forth generation
A transition during technology development.To be compared with other past communication standard, it can obtain the transmission rate of higher,
The power system capacity of bigger, lower operation cost, enables to user at any time, and any place is led between each other
Letter, and the speed to communicate is getting faster, and quality is become better and better.The gross data handling capacity of LTE technologies can reach downlink
100mbps, uplink 50mbps, its speed is about tens times of existing common 3G network, while has high broadband and high mobility
Technical characterstic, be adapted to the high number data service of carrying.
In antenna for base station combination, it is even more important, and technically minimizes increasingly difficult, is to be operated in low-frequency range
Vehicle-mounted Long Term Evolution communication (Long Term Evolution, LTE) monopole antenna.Particularly LTE700 frequency bands
(698MHz-800MHz), interior antenna need greater depth just to can guarantee that itself works fine characteristic in working band.But
The demand of antenna for base station miniaturization is limited by, low section is the difficult point of antenna for base station design.
Printing sleeve antenna can complete the requirement of its low Section Design on the premise of radiance is ensured.As one
Kind uses the most various, extensive antenna, and printing sleeve antenna possesses many change shapes for being applied to each specific application environment
Formula；Open sleeve antenna can possess it is so wide use space, mainly have benefited from it includes a large amount of adjustable design parameters；
By adjusting the layout between the geometric shape and antenna sections of these design parameters, antenna and sleeve, research staff can be with
Obtain the standing-wave ratio flexibly changed and working band.It is different according to the requirement of design application target and designing technique standard, printing
The change of the geometric shape and layout of complexity can be presented in the various variations of sleeve antenna, to meet concrete application function, technology
Index and condition limitation.
The content of the invention
It is an object of the invention to provide a kind of low section printing sleeve dual polarized antenna for LTE communication, realize
The low Section Design of LTE base station antenna, while the present invention is realized using vertically the bilevel tube-in-tube structure of dielectric-slab is printed on
Dual polarization is to optimize the performance of antenna for base station.
A kind of low section printing sleeve dual polarized antenna for LTE communication of the present invention, including：Upper table surface antenna list
Member, lower surface antenna element, antenna element dielectric-slab and metallic reflection plate, wherein upper surface antenna element, following table surface antenna list
Member and antenna element dielectric-slab form dual polarized antenna unit.Dual polarized antenna unit leads to the metallic reflection plate being disposed below
Two feed line connections are crossed, upper surface antenna element and lower surface antenna element are fed respectively.Upper surface antenna element
It is located at the upper and lower surface of antenna element dielectric-slab respectively with lower surface antenna element, and into vertical distribution, phase is respectively ±
45°。
Wherein upper surface antenna element, lower surface antenna element are made of two parts respectively, i.e. center of antenna dipole
Conductor and the sleeve of conductor both sides.Printing sleeve dipole antenna is generally by coaxial feeding；In common three-dimensional sleeve antenna,
Sleeve outer wall can play the role of radiation with auxiliary antenna center conductor, and inner wall is primarily as the outer conductor of coaxial feeder.
The center of antenna dipole conductor of the present invention and the sleeve of conductor both sides are all that common three-dimensional sleeve-dipole antenna passes through theory
With calculating projection of the analysis on the dielectric-slab of two dimension.
Wherein, upper surface antenna element is made of the sleeve of center of antenna dipole conductor and conductor both sides, wherein antenna
Central dipole conductor includes two upper surface dipole antenna minor matters, upper surface feed elements, and upper surface feed element is used for
Connect two upper surface dipole antenna minor matters and for feeding；The sleeve of both sides is two upper table surface sleeve minor matters, to cover
Copper form is attached to antenna element dielectric-slab upper strata.
Wherein, lower surface antenna element is made of the sleeve of center of antenna dipole conductor and conductor both sides, wherein antenna
Central dipole conductor includes two lower surface dipole antenna minor matters, lower surface feed elements, and lower surface feed element is used for
Connect two lower surface dipole antenna minor matters and for feeding；The sleeve of both sides is two following table surface sleeve minor matters, to cover
Copper form is attached to antenna element dielectric-slab lower floor,.
Wherein, center of antenna dipole conductor is total length b11, wide a11Rectangle, centre remove the length of side be b14Right angle
Isosceles triangle part；The sleeve of both sides is a length of b12Width is a12Rectangular metal cover copper, and center and center of antenna dipole
Sub- conductor part is concordant.It is 300mm~500mm as antenna confinement dimension using wavelength X, it is specific as follows：a11=(0.03~
0.08)λ、b11=(0.4~0.5) λ；b14=(0.015~0.03) λ；a12=(0.02~0.05) λ, b12=(0.25~0.3)
λ。
Wherein, a length of a of antenna element dielectric-slab1, width b1, thickness c1, middle dielectric-slab feed 1.4 radius of via is
r1.Upper surface antenna element and lower surface antenna element are respectively ± 45 ° into vertical distribution, phase, are adjusted by feed element.Its
In, it is 300mm~500mm as antenna confinement dimension using wavelength X, it is specific as follows：a1=(0.5~0.75) λ, b1=(0.5~
0.75)λ、c1=(0.001~0.005) λ, r1=(0.01~0.02) λ.
Wherein, the total length of two upper surface dipole antenna minor matters 1.2A, 1.2B of the upper surface antenna element is (i.e.
The length of center of antenna dipole conductor) it is that half wavelength is even for center of antenna to 3/4ths wavelength, the sleeve of both sides
The half of extremely sub- conductor total length is to 3/4ths.The size of the lower surface antenna element and upper surface antenna element
It is identical.
Cover copper configuration covers 0.018~0.035mm of copper thickness.
In the present invention, the wavelength that the center of antenna dipole conductor is selected is 300mm~500mm.
A kind of the advantages of low section printing sleeve dual polarized antenna for LTE communication that the present invention designs, is：
1. by using sleeve antenna on the dual polarized antenna for LTE communication, antenna section can be made to be lower, ensured
Performance, realizes the miniaturization of antenna for base station.
2. the sleeve antenna of the present invention is due to multiple adjustable parameters, can be designed that the wider antenna of frequency band.
3. the sleeve antenna that designs of the present invention, allows to realize the small-sized of antenna after using transverse plane open loop structure in structure
Change.
Brief description of the drawings
Fig. 1 is the dual polarized antenna unit structure chart that the present invention designs.
Figure 1A is the dual polarized antenna unit exploded view that the present invention designs.
Figure 1B is the dual polarized antenna unit top view that the present invention designs.
Fig. 2 is a kind of feed signal for low section printing sleeve dual polarized antenna for LTE communication that the present invention designs
Figure.
Fig. 3 is the S11 Parameter Maps of 1 size socket dual polarized antenna of embodiment.
Embodiment
Below in conjunction with drawings and examples, the present invention is described in further detail.
A kind of low section printing sleeve dual polarized antenna for LTE communication of the invention, including：Upper surface antenna element,
Lower surface antenna element, antenna element dielectric-slab and metallic reflection plate, wherein upper surface antenna element, lower surface antenna element and
Antenna element dielectric-slab forms dual polarized antenna unit.Dual polarized antenna unit and the metallic reflection plate that is disposed below are by two
Bar feed line connects, and upper surface antenna element and lower surface antenna element is fed respectively, as shown in Figure 2.
Referring to shown in Fig. 1, Figure 1A, being dual polarized antenna unit, it is by antenna element dielectric-slab 1.1A, upper table surface antenna list
Member and lower surface antenna element composition.
Upper surface antenna element is made of the sleeve of center of antenna dipole conductor and conductor both sides, and wherein center of antenna is even
Extremely sub- conductor includes two upper surface dipole antenna minor matters 1.2A, 1.2B, upper surface feed element 1.2C, and the sleeve of both sides is
For two upper table surface sleeve minor matters 1.2D, 1.2E, antenna element dielectric-slab upper strata, upper surface feed element are attached in the form of covering copper
1.2C is used to connect upper surface dipole antenna minor matters 1.2A, 1.2B and for feeding.
Lower surface antenna element is made of the sleeve of center of antenna dipole conductor and conductor both sides, and wherein center of antenna is even
Extremely sub- conductor includes two lower surface dipole antenna minor matters 1.3A, 1.3B, lower surface feed element 1.3C, and the sleeve of both sides is
For two following table surface sleeve minor matters 1.3D, 1.3E, antenna element dielectric-slab lower floor, lower surface feed element are attached in the form of covering copper
1.3C is used to connect lower surface dipole antenna minor matters 1.3A, 1.3B and for feeding.
The a length of a of dielectric-slab1, width b1, thickness c1, 1.4 radius of feed via among dielectric-slab is r1.Upper strata antenna and
Lower floor's antenna is respectively ± 45 ° into vertical distribution, phase, is adjusted by feed element.
Referring to shown in Figure 1B, for the top view of dual polarized antenna unit, center of antenna dipole conductor is total length b11, it is wide
a11Rectangle, centre remove the length of side be b14Right angled isosceles triangle part；The sleeve of both sides is a length of b12、b13Width is
a12、a13Rectangular metal cover copper, and center is concordant with center of antenna dipole conductor part.
It is shown in Figure 2, a kind of feedback for low section printing sleeve dual polarized antenna for LTE communication that the present invention designs
Electrical schematic, metallic reflection plate 2B sizes are long a herein2, wide b2, high c2, the distance of itself and dual polarized antenna unit 2A are c21。
Two feed lines are respectively lower surface feed point line 2C, and the lower surface that antenna element dielectric-slab lower floor is connected to by metallic reflection plate is presented
Electric unit 1.3C, feeds for lower surface antenna element.Upper surface feed line 2D is connected to day through dielectric-slab feed via 1.4
The upper surface feed element 1.2C on line unit dielectric-slab upper strata.
Cover copper configuration covers 0.018~0.035mm of copper thickness.
Cover the dimension constraint of copper configuration：
In the present invention, it is contemplated that antenna practical application scene, ruler is constrained using wavelength X as 300mm~500mm as antenna
Very little design：(the into certain relation of the selection of wavelength and frequency here, the wavelength=light velocity/frequency, the frequency band selectable range of LTE
For 600MHz-1000MHz, corresponding wavelength i.e. 300mm-500mm)
a1=(0.5~0.75) λ, b1=(0.5~0.75) λ, c1=(0.001~0.005) λ, r1=(0.01~0.02)
λ；
a11=(0.03~0.08) λ, b11=(0.4~0.5) λ；
a12=(0.02~0.05) λ, b12=(0.25~0.3) λ；
a13=(0.02~0.05) λ, b13=(0.25~0.3) λ；
b14=(0.015~0.03) λ；
a2=(1.1~1.3) λ, b2=(1.1~1.3) λ, c2=(0.001~0.005) λ；
c21=(0.1~0.2) λ.
Embodiment 1
The copper thickness that covers that embodiment 1 covers copper configuration is 0.035mm.The size of antenna is as follows：
a1=200mm, b1=200mm, c1=0.8mm, r1=5mm；
a11=22mm, b11=174mm；
a12=15mm, b12=120mm；
a13=15mm, b13=120mm；
b14=11.3mm；
a2=500mm, b2=500mm, c2=0.8mm；
c21=62mm.
Performance evaluation is carried out using S parameter to embodiment 1：Solid line represents the S11 parameters of 1 antenna of embodiment of design.
It is shown in Figure 3, S11 parameters represent individual antenna working performance, its working frequency can cover 698MHz~
950MHz, and the section of antenna can ensure within 63mm, on the premise of working performance is ensured, complete setting for low section
Meter.
Claims (5)
- A kind of 1. low section printing sleeve dual polarized antenna for LTE communication, it is characterised in that：It includes：Upper table surface antenna Unit, lower surface antenna element, antenna element dielectric-slab and metallic reflection plate, wherein upper surface antenna element, following table surface antenna Unit and antenna element dielectric-slab form dual polarized antenna unit；Dual polarized antenna unit and the metallic reflection plate being disposed below Connected by two feed lines, upper surface antenna element and lower surface antenna element are fed respectively；Upper table surface antenna list Member and lower surface antenna element are located at the upper and lower surface of antenna element dielectric-slab respectively, and into vertical distribution, and phase is respectively ± 45°；Upper surface antenna element, lower surface antenna element are made of two parts respectively, i.e., center of antenna dipole conductor and lead The sleeve of body both sides；Wherein, the center of antenna dipole conductor of upper surface antenna element includes two upper surface dipole antenna minor matters, upper tables Face feed element, upper surface feed element are used to connect two upper surface dipole antenna minor matters and for feeding；The set of both sides Cylinder is two upper table surface sleeve minor matters, and antenna element dielectric-slab upper strata is attached in the form of covering copper；Wherein, the center of antenna dipole conductor of lower surface antenna element includes two lower surface dipole antenna minor matters, following tables Face feed element, lower surface feed element are used to connect lower surface dipole antenna minor matters and for feeding；The sleeve of both sides is For two following table surface sleeve minor matters, antenna element dielectric-slab lower floor is attached in the form of covering copper.
- 2. a kind of low section printing sleeve dual polarized antenna for LTE communication according to claim 1, its feature exist In：The center of antenna dipole conductor is total length b11, wide a11Rectangle, the middle length of side that removes be b14Right angle isosceles Gable；The sleeve of both sides is a length of b12Width is a12Rectangular metal cover copper, and center is led with center of antenna dipole Body portion is concordant；It is 300mm~500mm as antenna confinement dimension using wavelength X, it is specific as follows：a11=(0.03~0.08) λ, b11=(0.4~0.5) λ；b14=(0.015~0.03) λ；a12=(0.02~0.05) λ, b12=(0.25~0.3) λ.
- 3. a kind of low section printing sleeve dual polarized antenna for LTE communication according to claim 1, its feature exist In：The a length of a of antenna element dielectric-slab1, width b1, thickness c1, it is r that middle dielectric-slab, which fed pore radius,1；Wherein, It is 300mm~500mm as antenna confinement dimension using wavelength X, it is specific as follows：a1=(0.5~0.75) λ, b1=(0.5~ 0.75)λ、c1=(0.001~0.005) λ, r1=(0.01~0.02) λ.
- 4. a kind of low section printing sleeve dual polarized antenna for LTE communication according to claim 1, its feature exist In：The length of the center of antenna dipole conductor for half wavelength to 3/4ths wavelength, the sleeve of both sides is antenna The half of central dipole conductor total length is to 3/4ths.
- 5. a kind of low section printing sleeve dual polarized antenna for LTE communication according to claim 1, its feature exist In：The thickness for covering copper is 0.018~0.035mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158054.0A CN108011185A (en) | 2017-11-20 | 2017-11-20 | A kind of low section printing sleeve dual polarized antenna for LTE communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158054.0A CN108011185A (en) | 2017-11-20 | 2017-11-20 | A kind of low section printing sleeve dual polarized antenna for LTE communication |
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| Publication Number | Publication Date |
|---|---|
| CN108011185A true CN108011185A (en) | 2018-05-08 |
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|---|---|---|---|
| CN201711158054.0A Pending CN108011185A (en) | 2017-11-20 | 2017-11-20 | A kind of low section printing sleeve dual polarized antenna for LTE communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212296A (en) * | 2019-06-17 | 2019-09-06 | 天津大学 | A kind of three-dimensional doublet bay applied to 5G millimeter wave |
| CN113690621A (en) * | 2021-08-30 | 2021-11-23 | 杭州泛利科技有限公司 | Miniaturized high efficiency bluetooth antenna based on multilayer PCB board |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202013939U (en) * | 2011-02-24 | 2011-10-19 | 张家港保税区国信通信有限公司 | Dual polarization plane sleeve print antenna radiating unit |
| CN104733844A (en) * | 2015-03-21 | 2015-06-24 | 西安电子科技大学 | Planar-broadband dual-polarization base station antenna |
-
2017
- 2017-11-20 CN CN201711158054.0A patent/CN108011185A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202013939U (en) * | 2011-02-24 | 2011-10-19 | 张家港保税区国信通信有限公司 | Dual polarization plane sleeve print antenna radiating unit |
| CN104733844A (en) * | 2015-03-21 | 2015-06-24 | 西安电子科技大学 | Planar-broadband dual-polarization base station antenna |
Non-Patent Citations (1)
| Title |
|---|
| THOMAS G. SPENCE ET-AL: "《A Novel Miniature Broadband/Multiband Antenna Based on an End-Loaded Planar Open-Sleeve Dipole》", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212296A (en) * | 2019-06-17 | 2019-09-06 | 天津大学 | A kind of three-dimensional doublet bay applied to 5G millimeter wave |
| CN113690621A (en) * | 2021-08-30 | 2021-11-23 | 杭州泛利科技有限公司 | Miniaturized high efficiency bluetooth antenna based on multilayer PCB board |
| CN113690621B (en) * | 2021-08-30 | 2024-05-07 | 杭州泛利科技有限公司 | Miniaturized high efficiency bluetooth antenna based on multilayer PCB board |
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Application publication date: 20180508 |
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