CN206422228U - A kind of compact oval ring Bipolarization antenna for base station - Google Patents
A kind of compact oval ring Bipolarization antenna for base station Download PDFInfo
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- CN206422228U CN206422228U CN201621453300.6U CN201621453300U CN206422228U CN 206422228 U CN206422228 U CN 206422228U CN 201621453300 U CN201621453300 U CN 201621453300U CN 206422228 U CN206422228 U CN 206422228U
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- oval ring
- radiating element
- coaxial line
- ring radiating
- base station
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Abstract
The utility model discloses a kind of compact oval ring Bipolarization antenna for base station, including medium substrate, reflection floor, the first coaxial line and the second coaxial line, the lower surface of the medium substrate is provided with the first oval ring radiating element, the second oval ring radiating element, the 3rd oval ring radiating element and the 4th oval ring radiating element, and upper surface is provided with the first Y shape feed element and the second Y shape feed element；The first oval ring radiating element and the 3rd oval ring radiating element symmetrically form first antenna structure, and the second oval ring radiating element and the 4th oval ring radiating element symmetrically form the second antenna structure；First coaxial line is connected with the first oval ring radiating element, the first Y shape feed element respectively, and second coaxial line is connected with the second oval ring radiating element, the second Y shape feed element respectively.The utility model function admirable, simple in construction, easy to process, processing cost are low, and adjust simple and convenient.
Description
Technical field
The utility model is related to a kind of Bipolarization antenna for base station, especially a kind of compact oval ring double-polarized base station day
Line, belongs to wireless mobile telecommunication technology field.
Background technology
In Modern Mobile Communications Systems, antenna for base station is turn of electric signal and space radiation electromagnetic wave between communication equipment
Parallel operation, its performance quality will directly affect the overall performance of whole system, therefore antenna for base station has in whole communication system
The status of play staff's weight.Modern base station antenna can make it that mobile communications network coverage is more wide, and message capacity is bigger,
And speed is higher, Bipolarization antenna for base station can increase capacity and meet other performance indications.
With continuing to develop for modem telecommunications technology, mobile communication is having been enter into forth generation mobile communications network (4G nets
Network), and the 5th third-generation mobile communication (5G networks) is also in research and development.Under current next-generation mobile communications system, Duo Zhongtong
Beacon alignment request antenna for base station can realize shared by multiple systems, and the quantity of base station is saved with this, reduce network construction cost.At present
The communication system such as GSM1800, CDMA, WCDMA and TD-WCDMA frequency band range deposited in 1710MHz~2170MHz, because
This need it is a kind of 1710MHz~2170MHz antenna for base station can be completely covered, and it is stable to require that indices all have
Broadband character, such as standing-wave ratio bandwidth (VSWR<1.5), 65 ° ± 5 ° of half power lobe width satisfaction, gain, isolation, intersection
Polarization ratio etc., while the cost control of antenna for base station and simple in construction also critically important.
According to investigations with understanding, presently disclosed prior art is as follows：
1) Wen Dingliang in 2016 et al. is published in entitled " A Dual- on IEEE ANTENNAS AND PROPAGATION
polarized Planar Antenna Using Four Folded Dipoles and Its Array for Base
Stations " article, it feeds to realize wider impedance bandwidth by using Y types.
2) Y.-H.Huang in 2009 et al. is published in " Broadband dual- entitled on ELECTRONICS LETTERS
Polarised antenna with high isolation for wireless communication " article, it leads to
Bending structure and coaxial feeding are crossed, wide impedance bandwidth and stabilising direction figure is realized, therefore obtain wider impedance bandwidth
With stable antenna pattern.
Utility model content
The purpose of this utility model is that there is provided a kind of compact oval ring in order to solve the defect of above-mentioned prior art
Bipolarization antenna for base station, the antenna performance is excellent, simple in construction, easy to process, processing cost is low, and adjusts simple and convenient.
The purpose of this utility model can be reached by adopting the following technical scheme that：
A kind of compact oval ring Bipolarization antenna for base station, including medium substrate, reflection floor, the first coaxial line and the
Two coaxial lines, the reflection floor is located at below medium substrate, and first coaxial line and the second coaxial line are located at medium substrate
Between reflection floor, the lower surface of the medium substrate is radiated provided with the first oval ring radiating element, the second oval ring
Presented provided with the first Y shape unit, the 3rd oval ring radiating element and the 4th oval ring radiating element, the upper surface of medium substrate
Electric unit and the second Y shape feed element；
The first oval ring radiating element and the 3rd oval ring radiating element symmetrically form first antenna knot
Structure, the second oval ring radiating element and the 4th oval ring radiating element symmetrically form the second antenna structure；
First coaxial line is connected with the first oval ring radiating element, the first Y shape feed element respectively, and described second
Coaxial line is connected with the second oval ring radiating element, the second Y shape feed element respectively.
It is the first oval ring radiating element, the second oval ring radiating element, the 3rd ellipse as a kind of preferred scheme
Circular ring-shaped radiation unit and the 4th oval ring radiating element are arranged in the lower surface of medium substrate with circular manner successively.
As a kind of preferred scheme, the lower surface of the medium substrate be additionally provided with the first parasitic element, the second parasitic element,
Trixenie unit and the 4th parasitic element, first parasitic element are located at the first oval ring radiating element and the second ellipse
Between ring radiation unit, second parasitic element is located at the second oval ring radiating element and the radiation of the 3rd oval ring is single
Between member, the trixenie unit is located between the 3rd oval ring radiating element and the 4th oval ring radiating element, institute
The 4th parasitic element is stated to be located between the 4th oval ring radiating element and the first oval ring radiating element.
As a kind of preferred scheme, the first Y shape feed element includes the first micro-strip part and first being sequentially connected
Extension is bent, the second Y shape feed element includes the second micro-strip part being sequentially connected, the 3rd micro-strip part, the 4th
Micro-strip part and the second bending extension, wherein the 3rd micro-strip part is located at the lower surface of medium substrate；Wherein, described first
Bending extension is used for the oval ring radiating element of coupling excitation the 3rd, and the second bending extension is used for coupling excitation
4th oval ring radiating element.
As a kind of preferred scheme, first through hole, the second through hole, third through-hole and the 4th are offered on the medium substrate
Through hole, the second micro-strip part is connected by third through-hole with the 3rd micro-strip part, and the 3rd micro-strip part passes through the 4th
Through hole is connected with the 4th micro-strip part；The outer conductor of first coaxial line is mutually welded with the first oval ring radiating element, the
The inner wire of one coaxial line is mutually welded by first through hole with the first micro-strip part, the outer conductor and second of second coaxial line
Oval ring radiating element is mutually welded, and the inner wire of the second coaxial line is mutually welded by the second through hole with the second micro-strip part.
As a kind of preferred scheme, first flange and the being surrounded by with reflection floor perpendicular on the reflection floor
Two flange.
As a kind of preferred scheme, the reflection floor, the first flange and the second flange are made of copper sheet.
As a kind of preferred scheme, first coaxial line and the second coaxial line use impedance for 50 Ω coaxial line.
The utility model has following beneficial effect relative to prior art：
1st, oval ring Bipolarization antenna for base station of the present utility model sets four elliptical rings in the lower surface of medium substrate
Shape radiating element, this four oval ring radiating elements are symmetrically formed two antenna structures two-by-two, make antenna have it is functional,
The low advantage of simple in construction, processing cost, while two Y shape feed elements are set in the upper surface of medium substrate, can not only
Impedance matching is adjusted, and the antenna radiation pattern bandwidth stablized is realized together with four elliptic radiation units.
2nd, oval ring Bipolarization antenna for base station of the present utility model also sets up four parasitic lists in medium substrate lower surface
Member, because four oval ring radiating elements are arranged with circular manner, and each parasitic element is arranged on two adjacent ellipses
Between ring radiation unit, by this four parasitic elements come extended high frequency bandwidth, in required frequency band range (1.71GHz-
Occur two resonance points in 2.17GHz), wherein first resonance point has the control of oval ring radiating element, second resonance point
By parasitic element control.
3rd, oval ring Bipolarization antenna for base station of the present utility model is rationally distributed, four oval ring radiating element distributions
In the lower surface of medium substrate, two Y shape feed elements are distributed in the upper surface of medium substrate, make this Y shape feed element can
Impedance matching is adjusted, radiation can be participated in again.
4th, oval ring Bipolarization antenna for base station compact conformation of the present utility model, size is smaller, in practical application scene
In, show by emulation, positive configured transmission is in required frequency range (1.71GHz- than existing similar antenna advantageously
2.17GHz frequency ranges) it is interior less than -25dB, that is, illustrate required frequency range can be completely covered, in required frequency range standing internal wave
Than less than 1.5, gain is all higher than 8dB in required frequency range, lobe width in required frequency range 60 °~
Between 70 °, 65 ° ± 5 ° of requirement is met.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of oval ring Bipolarization antenna for base station of the present utility model.
Fig. 2 is the oval ring radiating element of oval ring Bipolarization antenna for base station of the present utility model, Y shape feed element
With the dimensional structure diagram of coaxial wire bonding.
Fig. 3 is the medium substrate lower surface configuration schematic diagram of oval ring Bipolarization antenna for base station of the present utility model.
Fig. 4 is the medium substrate surface structure schematic diagram of oval ring Bipolarization antenna for base station of the present utility model.
Fig. 5 is the S21 parameter Electromagnetic Simulation curve maps of oval ring Bipolarization antenna for base station of the present utility model.
Fig. 6 is the Electromagnetic Simulation curve of the standing-wave ratio (VSWR) of oval ring Bipolarization antenna for base station of the present utility model
Figure.
Fig. 7 is the Electromagnetic Simulation curve map of the gain of oval ring Bipolarization antenna for base station of the present utility model.
Fig. 8 imitates for the electromagnetism of the horizontal plane half power lobe width of oval ring Bipolarization antenna for base station of the present utility model
True curve map.
Fig. 9 imitates for the electromagnetism of the vertical plane half power lobe width of oval ring Bipolarization antenna for base station of the present utility model
True curve map.
Figure 10 is the electromagnetism of antenna pattern of the oval ring Bipolarization antenna for base station of the present utility model in 1.7GHz
Simulation curve figure.
Figure 11 is the electromagnetism of antenna pattern of the oval ring Bipolarization antenna for base station of the present utility model in 1.9GHz
Simulation curve figure.
Figure 12 is the electromagnetism of antenna pattern of the oval ring Bipolarization antenna for base station of the present utility model in 2.1GHz
Simulation curve figure.
Figure 13 be cross polarization of the oval ring Bipolarization antenna for base station of the present utility model in 1.7GHz than electromagnetism
Simulation curve figure.
Figure 14 be cross polarization of the oval ring Bipolarization antenna for base station of the present utility model in 1.9GHz than electromagnetism
Simulation curve figure.
Figure 15 be cross polarization of the oval ring Bipolarization antenna for base station of the present utility model in 2.1GHz than electromagnetism
Simulation curve figure.
Wherein, 1- medium substrates, 2- reflections floor, the coaxial lines of 3- first, the coaxial lines of 4- second, the flange of 5- first, 6- the
Two flange, 7- the first oval ring radiating elements, 8- the second oval ring radiating elements, the oval ring radiating elements of 9- the 3rd,
The oval ring radiating elements of 10- the 4th, the parasitic elements of 11- first, the parasitic elements of 12- second, 13- trixenie units, 14-
Four parasitic elements, 15- the first Y shape feed elements, 16- the second Y shape feed elements, the first micro-strips of 17- part, 18- first is bent
Extension, the second micro-strips of 19- part, the micro-strip parts of 20- the 3rd, the micro-strip parts of 21- the 4th, the bendings of 22- second extension,
23- first through hole, the through holes of 24- second, 25- third through-holes, 26- fourth holes.
Embodiment
The utility model is described in further detail with reference to embodiment and accompanying drawing, but implementation of the present utility model
Mode not limited to this.
Embodiment 1：
As Figure 1-Figure 4, the oval ring Bipolarization antenna for base station of the present embodiment includes medium substrate 1, reflection floor
2nd, the first coaxial line 3 and the second coaxial line 4.
The medium substrate 1 is made up of pcb board, and the reflection floor 2 is located at the lower section of medium substrate 1, and its surrounding is equipped with
First flange 5 and second flange 6 vertical with reflection floor 2, the reflection floor 2, the first flange 5 and the second flange 6 are adopted
It is made of metal material, metal material is preferred to use copper sheet；The coaxial line 4 of first coaxial line 3 and second is located at medium substrate 1
Between reflection floor 2, the first coaxial line 3 and the second coaxial line 4 are used to transmit signal, and impedance is 50 Ω.
The lower surface of the medium substrate 1 provided with the first oval ring radiating element 7, the second oval ring radiating element 8,
3rd oval ring radiating element 9, the 4th oval ring radiating element 10, the first parasitic element 11, the second parasitic element 12,
The parasitic element 14 of trixenie unit 13 and the 4th；
The first oval ring radiating element 7, the second oval ring radiating element 8, the 3rd oval ring radiating element 9
It is arranged in the lower surface of medium substrate 1, first elliptical ring successively with circular manner with the 4th oval ring radiating element 10
The oval ring radiating element 9 of shape radiating element 7 and the 3rd symmetrically forms first antenna structure, the second oval ring spoke
Penetrate the oval ring radiating element 10 of unit 8 and the 4th and symmetrically form the second antenna structure；
First parasitic element 11 be located at the first oval ring radiating element 7 and the second oval ring radiating element 8 it
Between, second parasitic element 12 is located between the second oval ring radiating element 8 and the 3rd oval ring radiating element 9, institute
State trixenie unit 13 to be located between the 3rd oval ring radiating element 9 and the 4th oval ring radiating element 10, described the
Four parasitic elements 14 are located between the 4th oval ring radiating element 10 and the first oval ring radiating element 7, this four parasitisms
Unit is used for extended high frequency bandwidth.
The upper surface of the medium substrate 1 is provided with the first Y shape feed element 15 and the second Y shape feed element 16, the first Y shape
Feed element 15 is used to give first antenna structure feed, including the first micro-strip part 17 being sequentially connected and the first bending extension
Divide 18；Second Y shape feed element 16 is used to giving the second antenna structure feed, including be sequentially connected the second micro-strip part 19, the
Three micro-strip parts 20, the 4th micro-strip part 21 and the second bending extension 22, wherein the 3rd micro-strip part 20 is located at medium base
The lower surface of plate 1；The first bending extension 18 is used for the oval ring radiating element 9 of coupling excitation the 3rd, described second
Bending extension 22 is used for the oval ring radiating element 10 of coupling excitation the 4th.
First through hole 23, the second through hole 24, third through-hole 25 and fourth hole 26, institute are offered on the medium substrate 1
State the second micro-strip part 19 by third through-hole 25 with the 3rd micro-strip part 20 to be connected, the 3rd micro-strip part 20 passes through the 4th
Through hole 26 is connected with the 4th micro-strip part 21；
First coaxial line 3 is connected with the first oval ring radiating element 7, the first Y shape feed element 15 respectively, specifically
For：The outer conductor of first coaxial line 3 is mutually welded with the first oval ring radiating element 7, and the inner wire of the first coaxial line 3 passes through
One through hole 23 is mutually welded with the first micro-strip part 17；
Second coaxial line 4 is connected with the second oval ring radiating element 8, the second Y shape feed element 16 respectively, specifically
For：The outer conductor of second coaxial line 4 is mutually welded with the second oval ring radiating element 8, and the inner wire of the second coaxial line 4 passes through
Two through holes 24 are mutually welded with the second micro-strip part 19.
As shown in figure 5, oval ring Bipolarization antenna for base station for the present embodiment S21 parameters (positive transmission coefficient, i.e.,
Gain) Electromagnetic Simulation curve, it can be seen that the oval ring Bipolarization antenna for base station S21 parameters of the present embodiment are in required frequency
Required frequency range can be completely covered by being less than -25dB, i.e. explanation in section (1.71GHz-2.17GHz frequency ranges).
As shown in fig. 6, the Electromagnetic Simulation of the standing-wave ratio (VSWR) for the oval ring Bipolarization antenna for base station of the present embodiment
Curve (port1 refers to the standing-wave ratio of input port 1, and port2 refers to the standing-wave ratio of output port 2), it can be seen that two ports are stayed
Bob is less than 1.5 in required frequency range (1.71GHz-2.17GHz frequency ranges).
As shown in fig. 7, the Electromagnetic Simulation curve of the gain for the oval ring Bipolarization antenna for base station of the present embodiment
(port1 refers to the gain of input port 1, and port2 refers to the gain of output port 2), it can be seen that the gain of two ports is being wanted
8dB is all higher than in the frequency range (1.71GHz-2.17GHz frequency ranges) asked.
As shown in Figure 8 and Figure 9, the respectively horizontal plane half-power ripple of the oval ring Bipolarization antenna for base station of the present embodiment
(port1 refers to the horizontal plane half power lobe width of input port 1 to the Electromagnetic Simulation curve of valve width, and port2 refers to output port 2
Horizontal plane half power lobe width) and the Electromagnetic Simulation curve of vertical plane half power lobe width (port1 refers to input port 1
Vertical plane half power lobe width, port2 refers to the vertical plane half power lobe width of output port 2), it can be seen that in institute
It is required that frequency range (1.71GHz-2.17GHz frequency ranges) in, the lobe width of two ports between 60 °~70 °, satisfaction 65 °
± 5 ° of requirement.
As shown in Figure 10, Figure 12 and Figure 13, respectively the oval ring Bipolarization antenna for base station of the present embodiment 1.7GHz,
The Electromagnetic Simulation curve of antenna pattern when 1.9GHz, 2.1GHz；As shown in Figure 13, Figure 14 and Figure 15, respectively the present embodiment
Cross polarization of the oval ring Bipolarization antenna for base station in 1.7GHz, 1.9GHz, 2.1GHz than Electromagnetic Simulation curve, can
To see the requirement for complying fully with antenna for base station.
In summary, oval ring Bipolarization antenna for base station of the present utility model sets four in the lower surface of medium substrate
Oval ring radiating element, this four oval ring radiating elements are symmetrically formed two antenna structures two-by-two, make having property of antenna
The low advantage of good, the simple in construction, processing cost of energy, while setting two Y shape feed elements in the upper surface of medium substrate, no
Impedance matching can be only adjusted, and the antenna radiation pattern bandwidth stablized is realized together with four elliptic radiation units.
It is described above, only the utility model patent preferred embodiment, but the utility model patent protection domain simultaneously
This is not limited to, any one skilled in the art is in the scope disclosed in the utility model patent, according to this
Technical scheme and its utility model design of utility model patent are subject to equivalent substitution or change, belong to the utility model patent
Protection domain.
Claims (8)
1. a kind of compact oval ring Bipolarization antenna for base station, including medium substrate, reflection floor, the first coaxial line and second
Coaxial line, the reflection floor be located at medium substrate below, first coaxial line and the second coaxial line be located at medium substrate with
Reflect between floor, it is characterised in that：The lower surface of the medium substrate is provided with the first oval ring radiating element, the second ellipse
Ring radiation unit, the 3rd oval ring radiating element and the 4th oval ring radiating element, the upper surface of medium substrate is provided with
First Y shape feed element and the second Y shape feed element；
The first oval ring radiating element and the 3rd oval ring radiating element symmetrically form first antenna structure, institute
State the second oval ring radiating element and the 4th oval ring radiating element symmetrically forms the second antenna structure；
First coaxial line is connected with the first oval ring radiating element, the first Y shape feed element respectively, and described second is coaxial
Line is connected with the second oval ring radiating element, the second Y shape feed element respectively.
2. a kind of compact oval ring Bipolarization antenna for base station according to claim 1, it is characterised in that：Described first
Oval ring radiating element, the second oval ring radiating element, the 3rd oval ring radiating element and the radiation of the 4th oval ring
Unit is arranged in the lower surface of medium substrate with circular manner successively.
3. a kind of compact oval ring Bipolarization antenna for base station according to claim 2, it is characterised in that：The medium
The lower surface of substrate is additionally provided with the first parasitic element, the second parasitic element, trixenie unit and the 4th parasitic element, described
One parasitic element is located between the first oval ring radiating element and the second oval ring radiating element, second parasitic element
Between the second oval ring radiating element and the 3rd oval ring radiating element, it is ellipse that the trixenie unit is located at the 3rd
Between circular ring-shaped radiation unit and the 4th oval ring radiating element, the 4th parasitic element is radiated positioned at the 4th oval ring
Between unit and the first oval ring radiating element.
4. a kind of compact oval ring Bipolarization antenna for base station according to claim 1, it is characterised in that：Described first
Y shape feed element includes the first micro-strip part being sequentially connected and the first bending extension, the second Y shape feed element bag
The second micro-strip part being sequentially connected, the 3rd micro-strip part, the 4th micro-strip part and the second bending extension are included, wherein the 3rd
Micro-strip part is located at the lower surface of medium substrate；The first bending extension is radiated for the oval ring of coupling excitation the 3rd
Unit, the second bending extension is used for the oval ring radiating element of coupling excitation the 4th.
5. a kind of compact oval ring Bipolarization antenna for base station according to claim 4, it is characterised in that：The medium
First through hole, the second through hole, third through-hole and fourth hole are offered on substrate, the second micro-strip part passes through third through-hole
It is connected with the 3rd micro-strip part, the 3rd micro-strip part is connected by fourth hole with the 4th micro-strip part；Described first is same
The outer conductor of axis is mutually welded with the first oval ring radiating element, and the inner wire of the first coaxial line passes through first through hole and first
Micro-strip part is mutually welded, and the outer conductor of second coaxial line is mutually welded with the second oval ring radiating element, the second coaxial line
Inner wire mutually welded with the second micro-strip part by the second through hole.
6. a kind of compact oval ring Bipolarization antenna for base station according to claim any one of 1-5, it is characterised in that：
First flange and the second flange that are surrounded by with reflection floor perpendicular on the reflection floor.
7. a kind of compact oval ring Bipolarization antenna for base station according to claim 6, it is characterised in that：The reflection
Floor, the first flange and the second flange are made of copper sheet.
8. a kind of compact oval ring Bipolarization antenna for base station according to claim any one of 1-5, it is characterised in that：
First coaxial line and the second coaxial line use impedance for 50 Ω coaxial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453300.6U CN206422228U (en) | 2016-12-28 | 2016-12-28 | A kind of compact oval ring Bipolarization antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453300.6U CN206422228U (en) | 2016-12-28 | 2016-12-28 | A kind of compact oval ring Bipolarization antenna for base station |
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| Publication Number | Publication Date |
|---|---|
| CN206422228U true CN206422228U (en) | 2017-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621453300.6U Active CN206422228U (en) | 2016-12-28 | 2016-12-28 | A kind of compact oval ring Bipolarization antenna for base station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532249A (en) * | 2016-12-28 | 2017-03-22 | 华南理工大学 | Compact elliptical annular dual-polarization base station antenna |
| CN108511923A (en) * | 2018-03-01 | 2018-09-07 | 太行通信股份有限公司 | A kind of sub- tri-band antenna of dual polarization crossed folded dipoles |
-
2016
- 2016-12-28 CN CN201621453300.6U patent/CN206422228U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532249A (en) * | 2016-12-28 | 2017-03-22 | 华南理工大学 | Compact elliptical annular dual-polarization base station antenna |
| CN106532249B (en) * | 2016-12-28 | 2023-11-17 | 华南理工大学 | Compact elliptical annular dual-polarized base station antenna |
| CN108511923A (en) * | 2018-03-01 | 2018-09-07 | 太行通信股份有限公司 | A kind of sub- tri-band antenna of dual polarization crossed folded dipoles |
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