CN104577323A - Dual-frequency and dual-polarization antenna used for mobile communication base station - Google Patents
Dual-frequency and dual-polarization antenna used for mobile communication base station Download PDFInfo
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- CN104577323A CN104577323A CN201510063932.5A CN201510063932A CN104577323A CN 104577323 A CN104577323 A CN 104577323A CN 201510063932 A CN201510063932 A CN 201510063932A CN 104577323 A CN104577323 A CN 104577323A
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Abstract
The invention relates to a dual-frequency and dual-polarization antenna used for a mobile communication base station. The dual-frequency and dual-polarization antenna comprises a pair of plane dipoles which are vertically arranged, a parasitic element, a resonance ring, a pair of balance feed Baluns, a medium plate and a reflection plate, wherein the resonance ring is arranged above the reflection plate through a plurality of medium columns; the medium plate is arranged above the reflection plate through a plurality of medium columns; the medium plate is arranged above the inner side of the resonance ring; the plane dipoles are connected with the reflection plate through outer conductors of coaxial cables or short circuit columns; the plane dipoles are arranged on the upper surface of the medium plate in a copper cladding manner; the parasitic element is arranged on the surface of the medium plate in the copper cladding manner; the parasitic element is crossly connected with the plane dipoles; the balance feed Baluns are realized by difference feed of the four coaxial cables; the bottoms of the outer conductors of the four coaxial cables are connected with the reflection plate; and the tops of the outer conductors of the four coaxial cables are connected together by metal. The dual-frequency and dual-polarization antenna has the advantages of easiness of adjustment, good anti-interference effect, stable performance, large signal capacity and the like.
Description
Technical field
The invention belongs to wireless communication field, be specifically related to a kind of dual-band dual-polarized antenna for mobile communication base station.
Background technology
Along with the sharply increase with service of mobile communication that develops rapidly of mobile communication technology, the overlay area of mobile communications network is constantly expanding and perfect, and the antenna for base station as one of mobile communication system critical component correspondingly becomes more and more important along with the construction of mobile communications network.
Traditional antenna for base station covers several working band by all channel antenna to communicate, but the size of all channel antenna can be larger.
In addition, if two or more frequency band is apart from each other, the design difficulty of all channel antenna simultaneously covering these working bands can be made to increase.
Summary of the invention
Goal of the invention: the present invention is directed to above-mentioned prior art Problems existing and make improvement, namely the invention discloses a kind of dual-band dual-polarized antenna for mobile communication base station.
Technical scheme: a kind of dual-band dual-polarized antenna for mobile communication base station, comprises the plane dipole of a pair vertical placement, parasitic element, resonant ring, a pair balanced feeding Ba Lun, dielectric-slab and reflecting plate,
Described resonant ring is located at the top of described reflecting plate by multiple dielectric posts, and described dielectric-slab is located at the top of described reflecting plate by multiple dielectric posts, and the inside front of described resonant ring is located at by described dielectric-slab,
Plane dipole is connected with reflecting plate by coaxial wire outer conductor or short circuit post, and plane dipole is located at the upper surface of described dielectric-slab by the mode covering copper,
Parasitic element is located at the surface of dielectric-slab by covering copper mode, parasitic element and plane dipole interconnection,
Balanced feeding Ba Lun is realized by four coaxial wire differential feeds, and connect reflecting plate bottom four coaxial wire outer conductors, four coaxial wire outer conductor tops are linked together by metal.
For a dual-band dual-polarized antenna for mobile communication base station, comprise the plane dipole of a pair vertical placement, parasitic element, resonant ring, a pair balanced feeding Ba Lun, dielectric-slab and reflecting plate,
Described resonant ring is located at the top of described reflecting plate by multiple dielectric posts, and described dielectric-slab is located at the top of described reflecting plate by multiple dielectric posts, and the inside front of described resonant ring is located at by described dielectric-slab,
The plane dipole vertically placed for a pair is connected with reflecting plate by coaxial wire outer conductor or short circuit post, and plane dipole is located at upper surface or the lower surface of described dielectric-slab by the mode covering copper,
Parasitic element is located at the surface of dielectric-slab by covering copper mode, parasitic element and plane dipole interconnection,
Balanced feeding Ba Lun is realized by two coaxial wires and two short circuit metal post feeds, and connect reflecting plate bottom two coaxial wire outer conductors, two coaxial wire outer conductor tops connect two arms of the plane dipole that a pair is vertically placed respectively.
A kind of optimal way as the dual-band dual-polarized antenna for mobile communication base station a kind of in the present invention: resonant ring is square resonant ring or circular resonant ring.
A kind of optimal way as the dual-band dual-polarized antenna for mobile communication base station a kind of in the present invention: described dielectric posts is bonding with described resonant ring.
A kind of optimal way as the dual-band dual-polarized antenna for mobile communication base station a kind of in the present invention: described reflecting plate is aluminium sheet or copper coin, its thickness is 1mm.
A kind of optimal way as the dual-band dual-polarized antenna for mobile communication base station a kind of in the present invention: plane dipole is the one in the dipole of terminal loads, brilliant dipole or bowtie dipole.
A kind of optimal way as the dual-band dual-polarized antenna for mobile communication base station a kind of in the present invention: balanced feeding Ba Lun is that differential feed structure or coaxial line are in conjunction with short-circuit line structure.
Beneficial effect: the invention discloses a kind of dual-band dual-polarized antenna for mobile communication base station, there is following beneficial effect:
1, two working frequency range spacing can adjust, and the directional diagram directionality in two working frequency range is good and very stable---realized by the open type tube-in-tube structure of antenna;
2, anti-jamming effectiveness is good, stable performance, and signal volume is large.
Accompanying drawing explanation
Fig. 1 a is the structure vertical view of a kind of dual-band dual-polarized antenna for mobile communication base station disclosed by the invention;
Fig. 1 b is the structure side view of a kind of dual-band dual-polarized antenna for mobile communication base station disclosed by the invention;
Fig. 2 is the curve of return loss with frequency change of a kind of dual-band dual-polarized antenna for mobile communication base station disclosed by the invention;
Fig. 3 is the curve of interport isolation with frequency change of a kind of dual-band dual-polarized antenna for mobile communication base station disclosed by the invention;
Fig. 4 is the low-frequency range (2.4GHz) of a kind of dual-band dual-polarized antenna for mobile communication base station disclosed by the invention main polarization and cross-polarized far field, E face normalized radiation pattern when having resonant ring and a resonance free ring;
Fig. 5 is the low-frequency range (2.4GHz) of a kind of dual-band dual-polarized antenna for the mobile communication base station disclosed by the invention main polarization and cross-polarized normalization far-field pattern in H face when having resonant ring and a resonance free ring;
Fig. 6 is the high band (5.8GHz) of a kind of dual-band dual-polarized antenna for the mobile communication base station disclosed by the invention main polarization and cross-polarized normalization far-field pattern in E face when having resonant ring and a resonance free ring;
Fig. 7 is the high band (5.8GHz) of a kind of dual-band dual-polarized antenna for the mobile communication base station disclosed by the invention main polarization and cross-polarized normalization far-field pattern in H face when having resonant ring and a resonance free ring;
Wherein:
10-parasitic element 20-dielectric-slab
30-plane dipole 40-resonant ring
50-balanced feeding Ba Lun 60-reflecting plate
Embodiment:
Below the specific embodiment of the present invention is described in detail.
Specific embodiment 1
As illustrated in figs. ia and ib, a kind of dual-band dual-polarized antenna for mobile communication base station, comprises the plane dipole 30 of a pair vertical placement, parasitic element 10, resonant ring 40, a pair balanced feeding Ba Lun 50, dielectric-slab 20 and reflecting plate 60,
Resonant ring 40 is located at the top of reflecting plate 60 by multiple dielectric posts, and dielectric-slab 20 is located at the top of reflecting plate 60 by multiple dielectric posts, and the inside front of resonant ring 40 is located at by dielectric-slab 20,
Plane dipole 30 is connected with reflecting plate 60 by coaxial wire outer conductor, and plane dipole 30 is located at the upper surface of dielectric-slab 20 by the mode covering copper,
Parasitic element 10 is located at the surface of dielectric-slab 20 by covering copper mode, parasitic element 10 and plane dipole 30 interconnection,
Balanced feeding Ba Lun 50 is realized by four coaxial wire differential feeds, and connect reflecting plate 60 bottom four coaxial wire outer conductors, four coaxial wire outer conductor tops are linked together by metal.
In the present embodiment, resonant ring 40 is square resonant ring.
In the present embodiment, dielectric posts is bonding with resonant ring 40.
In the present embodiment, reflecting plate 60 is aluminium sheet, and its thickness is 1mm.
In the present embodiment, plane dipole 30 is dipoles of terminal loads.
In the present embodiment, balanced feeding Ba Lun 50 is differential feed structure.
Specific embodiment 2
Roughly the same with specific embodiment 1, difference is:
1. plane dipole 30 is connected with reflecting plate 60 by short circuit post;
2. reflecting plate 60 is copper coin, and its thickness is 1mm;
3. plane dipole 30 is brilliant dipoles.
Specific embodiment 3
Roughly the same with specific embodiment 1, difference is:
1. plane dipole 30 is bowtie dipole;
2. balanced feeding Ba Lun 50 is for coaxial line is in conjunction with short-circuit line structure.
Specific embodiment 4
For a dual-band dual-polarized antenna for mobile communication base station, comprise the plane dipole 30 of a pair vertical placement, parasitic element 10, resonant ring 40, a pair balanced feeding Ba Lun 50, dielectric-slab 20 and reflecting plate 60,
Resonant ring 40 is located at the top of reflecting plate 60 by multiple dielectric posts, and dielectric-slab 20 is located at the top of reflecting plate 60 by multiple dielectric posts, and the inside front of resonant ring 40 is located at by dielectric-slab 20,
The plane dipole 30 vertically placed for a pair is connected with reflecting plate 60 by coaxial wire outer conductor, and plane dipole 30 is located at the upper surface of dielectric-slab 20 by the mode covering copper,
Parasitic element 10 is located at the surface of dielectric-slab 20 by covering copper mode, parasitic element 10 and plane dipole 30 interconnection,
Balanced feeding Ba Lun 50 is realized by two coaxial wires and two short circuit metal post feeds, connect reflecting plate 60 bottom two coaxial wire outer conductors, two coaxial wire outer conductor tops connect two arms of the plane dipole 30 that a pair is vertically placed respectively.
In the present embodiment, resonant ring 40 is circular resonant ring.
In the present embodiment, dielectric posts is bonding with resonant ring 40.
In the present embodiment, reflecting plate 60 is aluminium sheet, and its thickness is 1mm.
In the present embodiment, plane dipole 30 is dipoles of terminal loads.
In the present embodiment, balanced feeding Ba Lun 50 is differential feed structure.
Specific embodiment 5
Roughly the same with specific embodiment 4, difference is:
1. the plane dipole 30 vertically placed for a pair is connected with reflecting plate 60 by short circuit post, and plane dipole 30 is located at the lower surface of dielectric-slab 20 by the mode covering copper,
2. reflecting plate 60 is copper coin, and its thickness is 1mm;
3. plane dipole 30 is brilliant dipoles;
4. balanced feeding Ba Lun 50 is for coaxial line is in conjunction with short-circuit line structure.
Specific embodiment 6
Roughly the same with specific embodiment 4, difference is only that plane dipole 30 is bowtie dipole.
Advantage of the present invention further illustrates by following emulation:
Emulation content
Simulation software is utilized to carry out simulation calculation to the circuit parameter of above-mentioned a kind of dual-band dual-polarized antenna for mobile communication base station, radiation parameter.By observing the return loss of antenna element, can reach a conclusion intuitively.Two working frequency range and dual-linear polarization can be realized by this antenna element, and, can by the spacing regulating the length of dipole brachium and parasitic element 10 to change two working frequency range.
Simulation result
Fig. 2 and Fig. 3 is a kind of circuit parameter information of the dual-band dual-polarized antenna for mobile communication base station.Fig. 2 is the curve of return loss with frequency change of the feed port of this dual-frequency/polarization antenna unit, and Fig. 3 is the curve of interport isolation with frequency change of this dual-frequency/polarization antenna unit two feed port.Fig. 4 ~ 7 are the radiation parameter information of dual-frequency/polarization antenna unit.Fig. 4 is this dual-frequency/polarization antenna unit single port feed main polarization and cross-polarized normalization far-field pattern in 2.4GHz frequency E face when not adding resonant ring and add resonant ring.Fig. 5 is this dual-frequency/polarization antenna unit single port feed main polarization and cross-polarized normalization far-field pattern in 2.4GHz frequency H face when not adding resonant ring and add resonant ring.Fig. 6 is this dual-frequency/polarization antenna unit single port feed main polarization and cross-polarized normalization far-field pattern in 5.8GHz frequency E face when not adding resonant ring and add resonant ring.Fig. 7 is this dual-frequency/polarization antenna unit single port feed main polarization and cross-polarized normalization far-field pattern in 5.8GHz frequency E face when not adding resonant ring and add resonant ring.As can be seen from Fig. 4 ~ 7, after the resonant ring using the present invention's design, stable and that directionality is good directional diagram can be obtained.
Above embodiments of the present invention are elaborated.But the present invention is not limited to above-mentioned execution mode, in the ken that art those of ordinary skill possesses, can also make a variety of changes under the prerequisite not departing from present inventive concept.
Claims (7)
1. for a dual-band dual-polarized antenna for mobile communication base station, it is characterized in that, comprise the plane dipole of a pair vertical placement, parasitic element, resonant ring, a pair balanced feeding Ba Lun, dielectric-slab and reflecting plate,
Described resonant ring is located at the top of described reflecting plate by multiple dielectric posts, and described dielectric-slab is located at the top of described reflecting plate by multiple dielectric posts, and the inside front of described resonant ring is located at by described dielectric-slab,
Plane dipole is connected with reflecting plate by coaxial wire outer conductor or short circuit post, and plane dipole is located at the upper surface of described dielectric-slab by the mode covering copper,
Parasitic element is located at the surface of dielectric-slab by covering copper mode, parasitic element and plane dipole interconnection,
Balanced feeding Ba Lun is realized by four coaxial wire differential feeds, and connect reflecting plate bottom four coaxial wire outer conductors, four coaxial wire outer conductor tops are connected by metal.
2. for a dual-band dual-polarized antenna for mobile communication base station, it is characterized in that, comprise the plane dipole of a pair vertical placement, parasitic element, resonant ring, a pair balanced feeding Ba Lun, dielectric-slab and reflecting plate,
Described resonant ring is located at the top of described reflecting plate by multiple dielectric posts, and described dielectric-slab is located at the top of described reflecting plate by multiple dielectric posts, and the inside front of described resonant ring is located at by described dielectric-slab,
The plane dipole vertically placed for a pair is connected with reflecting plate by coaxial wire outer conductor or short circuit post, and plane dipole is located at upper surface or the lower surface of described dielectric-slab by the mode covering copper,
Parasitic element is located at the surface of dielectric-slab by covering copper mode, parasitic element and plane dipole interconnection,
Balanced feeding Ba Lun is realized by two coaxial wires and two short circuit metal post feeds, and connect reflecting plate bottom two coaxial wire outer conductors, two coaxial wire outer conductor tops connect two arms of the plane dipole that a pair is vertically placed respectively.
3. a kind of dual-band dual-polarized antenna for mobile communication base station as claimed in claim 1 or 2, it is characterized in that, resonant ring is square resonant ring or circular resonant ring.
4. a kind of dual-band dual-polarized antenna for mobile communication base station as claimed in claim 1 or 2, it is characterized in that, described dielectric posts is bonding with described resonant ring.
5. a kind of dual-band dual-polarized antenna for mobile communication base station as claimed in claim 1 or 2, it is characterized in that, described reflecting plate is aluminium sheet or copper coin, and its thickness is 1mm.
6. a kind of dual-band dual-polarized antenna for mobile communication base station as claimed in claim 1 or 2, is characterized in that, plane dipole is the one in the dipole of terminal loads, brilliant dipole or bowtie dipole.
7. a kind of dual-band dual-polarized antenna for mobile communication base station as claimed in claim 1 or 2, is characterized in that, balanced feeding Ba Lun is that differential feed structure or coaxial line are in conjunction with short-circuit line structure.
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| CN201510063932.5A CN104577323A (en) | 2015-02-06 | 2015-02-06 | Dual-frequency and dual-polarization antenna used for mobile communication base station |
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| CN105244633A (en) * | 2015-10-19 | 2016-01-13 | 深圳信息职业技术学院 | Broadband different-frequency orthogonal dipole antenna |
| CN105490016A (en) * | 2016-01-21 | 2016-04-13 | 桂林电子科技大学 | Broadband directional antenna based on resonant reflector |
| CN106207474A (en) * | 2016-07-19 | 2016-12-07 | 电子科技大学 | A kind of feed structure is with the broadband circular polarisation cross dipole antenna of resonant ring |
| CN106299668A (en) * | 2016-09-27 | 2017-01-04 | 华南理工大学 | A kind of differential feed wideband dual polarized plane antenna for base station |
| CN106785491A (en) * | 2016-12-30 | 2017-05-31 | 歌尔科技有限公司 | A kind of dipole dual-band antenna and electronic product |
| CN107910634A (en) * | 2017-10-30 | 2018-04-13 | 西南交通大学 | A kind of dipole dual polarized antenna applied to 2G/3G/4G base station communications |
| CN108232458A (en) * | 2018-01-02 | 2018-06-29 | 华南理工大学 | A kind of bicyclic antenna for base station of difference dual-band and dual-polarization |
| CN108336491A (en) * | 2018-04-02 | 2018-07-27 | 安徽大学 | Dual-frequency dual-polarization laminated patch antenna based on microstrip balun feed and design method thereof |
| CN109599666A (en) * | 2018-10-25 | 2019-04-09 | 康凯科技（杭州）股份有限公司 | A kind of ambipolar antenna system |
| CN109713440A (en) * | 2018-12-28 | 2019-05-03 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna element and array antenna |
| CN111009738A (en) * | 2018-10-04 | 2020-04-14 | 和硕联合科技股份有限公司 | Antenna device |
| CN114122666A (en) * | 2021-11-18 | 2022-03-01 | 中信科移动通信技术股份有限公司 | Ultra-wideband dual-polarized filtering antenna |
| CN115020986A (en) * | 2022-06-27 | 2022-09-06 | 东莞理工学院 | High isolation duplex dual polarized antenna based on novel mixed ring feed |
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| CN105244633A (en) * | 2015-10-19 | 2016-01-13 | 深圳信息职业技术学院 | Broadband different-frequency orthogonal dipole antenna |
| CN105490016A (en) * | 2016-01-21 | 2016-04-13 | 桂林电子科技大学 | Broadband directional antenna based on resonant reflector |
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| CN106207474A (en) * | 2016-07-19 | 2016-12-07 | 电子科技大学 | A kind of feed structure is with the broadband circular polarisation cross dipole antenna of resonant ring |
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| CN106785491A (en) * | 2016-12-30 | 2017-05-31 | 歌尔科技有限公司 | A kind of dipole dual-band antenna and electronic product |
| CN107910634A (en) * | 2017-10-30 | 2018-04-13 | 西南交通大学 | A kind of dipole dual polarized antenna applied to 2G/3G/4G base station communications |
| CN107910634B (en) * | 2017-10-30 | 2019-10-11 | 西南交通大学 | A kind of dipole dual polarized antenna applied to 2G/3G/4G base station communication |
| CN108232458B (en) * | 2018-01-02 | 2023-08-22 | 华南理工大学 | Differential dual-frequency dual-polarized dual-loop base station antenna |
| CN108232458A (en) * | 2018-01-02 | 2018-06-29 | 华南理工大学 | A kind of bicyclic antenna for base station of difference dual-band and dual-polarization |
| CN108336491A (en) * | 2018-04-02 | 2018-07-27 | 安徽大学 | Dual-frequency dual-polarization laminated patch antenna based on microstrip balun feed and design method thereof |
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| CN109599666A (en) * | 2018-10-25 | 2019-04-09 | 康凯科技（杭州）股份有限公司 | A kind of ambipolar antenna system |
| CN109713440A (en) * | 2018-12-28 | 2019-05-03 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna element and array antenna |
| CN114122666A (en) * | 2021-11-18 | 2022-03-01 | 中信科移动通信技术股份有限公司 | Ultra-wideband dual-polarized filtering antenna |
| CN115020986A (en) * | 2022-06-27 | 2022-09-06 | 东莞理工学院 | High isolation duplex dual polarized antenna based on novel mixed ring feed |
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Inventor after: Sun Baohua Inventor after: Zhang Guanxi Inventor after: Sun Li Inventor after: Ji Hao Inventor after: Yuan Jiangpeng Inventor after: Tang Wending Inventor after: Zhang Qi Inventor before: Zhang Guanxi Inventor before: Sun Baohua Inventor before: Sun Li Inventor before: Ji Hao Inventor before: Yuan Jiangpeng Inventor before: Tang Wending Inventor before: Zhang Qi |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG GUANXI SUN BAOHUA SUN LI JI HAO YUAN JIANGPENG TANG WENDING ZHANG QI TO: SUN BAOHUA ZHANG GUANXI SUN LI JI HAO YUAN JIANGPENG TANG WENDING ZHANG QI |
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Application publication date: 20150429 |