CN106711580B - Elliptical dual-polarized base station antenna - Google Patents
Elliptical dual-polarized base station antenna Download PDFInfo
- Publication number
- CN106711580B CN106711580B CN201611094630.5A CN201611094630A CN106711580B CN 106711580 B CN106711580 B CN 106711580B CN 201611094630 A CN201611094630 A CN 201611094630A CN 106711580 B CN106711580 B CN 106711580B
- Authority
- CN
- China
- Prior art keywords
- elliptical
- radiating element
- arc
- coaxial line
- base station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
-
- 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
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses an elliptical dual-polarized base station antenna, which comprises a dielectric substrate, a reflecting floor, a first coaxial line and a second coaxial line, wherein a first elliptical radiating element, a second elliptical radiating element, a third elliptical radiating element and a fourth elliptical radiating element are arranged on the lower surface of the dielectric substrate, and a first elliptical arc-shaped feeding unit and a second elliptical arc-shaped feeding unit are arranged on the upper surface of the dielectric substrate; the first elliptical radiating element and the third elliptical radiating element are mutually symmetrical to form a first antenna structure, and the second elliptical radiating element and the fourth elliptical radiating element are mutually symmetrical to form a second antenna structure; the first coaxial line is respectively connected with the third elliptical radiating element and the second elliptical arc-shaped feeding unit, and the second coaxial line is respectively connected with the second elliptical radiating element and the first elliptical arc-shaped feeding unit. The invention has the advantages of excellent performance, simple structure, convenient processing, low processing cost and simple and convenient adjustment.
Description
Technical Field
The invention relates to a dual-polarized base station antenna, in particular to an elliptical dual-polarized base station antenna, and belongs to the technical field of wireless mobile communication.
Background
In modern mobile communication systems, base station antennas are converters of electrical signals and spatially radiated electromagnetic waves between communication devices, and their performance will directly affect the overall performance of the entire system, so that base station antennas have a severe situation in the entire communication system. The modern base station antenna can enable the coverage range of a mobile communication network to be wider, the communication capacity is larger, the speed is higher, and the dual-polarized base station antenna can increase the capacity and meet other performance indexes.
With the continued development of modern telecommunications technology, mobile communications have been entering the fourth generation mobile communications network (4G network), and the fifth generation mobile communications (5G network) are also under development. Under the current new generation mobile communication system, various communication standards require that the base station antenna can realize multi-system sharing, so as to save the number of base stations and reduce the network construction cost. The existing frequency bands of the communication system are basically in the frequency band of 1.71GHz-2.69GHz, so that a base station antenna capable of completely covering the frequency band of 1.71GHz-2.69GHz is needed, various indexes are required to have stable broadband characteristics, such as standing wave ratio bandwidth (VSWR < 1.5), half-power lobe width satisfies 65 DEG + -5 DEG, gain, isolation, cross polarization ratio and the like, and meanwhile, the cost control and the simple structure of the base station antenna are also important.
The presently disclosed prior art is investigated and understood as follows:
1) 2013 Wen Dingliang et al published an article entitled "A broadband.+ -. 45 DEG Dual-Polarized Antenna With Y-Shaped Feeding Lines" on IEEE ANTENNASAND PROPAGATION that achieved a wide impedance bandwidth by using Y-type feeding nodes.
2) 2013 Luo Yu et al published IEEEANTENNASAND PROPAGATION entitled "Oriental Crown-Shaped Differentially Fed Dual-Polarized Multidipole Antenna" which realized a wide impedance bandwidth and stable radiation pattern by using a coplanar stripline feed structure and by printing a pair of long dipoles and a pair of short dipoles on each of 4 inclined dielectric planes, thus achieving a wider impedance bandwidth and stable radiation pattern.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an elliptical dual-polarized base station antenna which is excellent in performance, simple in structure, convenient to process, low in processing cost and simple and convenient to adjust.
The aim of the invention can be achieved by adopting the following technical scheme:
the utility model provides an oval dual polarized base station antenna, includes dielectric substrate, reflection floor, first coaxial line and second coaxial line, the reflection floor is located dielectric substrate below, first coaxial line and second coaxial line are located between dielectric substrate and the reflection floor, its characterized in that: the lower surface of the medium substrate is provided with a first elliptical radiation unit, a second elliptical radiation unit, a third elliptical radiation unit and a fourth elliptical radiation unit, and the upper surface of the medium substrate is provided with a first elliptical arc-shaped feed unit and a second elliptical arc-shaped feed unit;
the first elliptical radiating element and the third elliptical radiating element are mutually symmetrical to form a first antenna structure, and the second elliptical radiating element and the fourth elliptical radiating element are mutually symmetrical to form a second antenna structure;
the first coaxial line is respectively connected with the third elliptical radiating element and the second elliptical arc-shaped feeding unit, and the second coaxial line is respectively connected with the second elliptical radiating element and the first elliptical arc-shaped feeding unit.
As a preferable scheme, the first elliptical radiating element, the second elliptical radiating element, the third elliptical radiating element and the fourth elliptical radiating element are sequentially arranged on the lower surface of the dielectric substrate in a circumferential manner.
As a preferable scheme, the lower surface of the dielectric substrate is further provided with a first parasitic element, a second parasitic element, a third parasitic element and a fourth parasitic element, wherein the first parasitic element is positioned between the first elliptical radiating element and the second elliptical radiating element, the second parasitic element is positioned between the second elliptical radiating element and the third elliptical radiating element, the third parasitic element is positioned between the third elliptical radiating element and the fourth elliptical radiating element, and the fourth parasitic element is positioned between the fourth elliptical radiating element and the first elliptical radiating element.
As a preferable scheme, the first elliptical arc-shaped feed unit comprises a first microstrip part and a first elliptical arc-shaped extension part which are connected in sequence, and the second elliptical arc-shaped feed unit comprises a second microstrip part, a third microstrip part, a fourth microstrip part and a second elliptical arc-shaped extension part which are connected in sequence; the first elliptical arc-shaped extension is used for coupling and exciting a second elliptical radiation unit, and the second elliptical arc-shaped extension is used for coupling and exciting a third elliptical radiation unit.
As a preferred scheme, the dielectric substrate is provided with a first opening, a second opening, a third opening and a fourth opening, the second microstrip part is connected with the third microstrip part through the first opening, the third microstrip part is connected with the fourth microstrip part through the second opening, the first coaxial outer conductor is welded with the third elliptical radiation unit, the first coaxial inner conductor is welded with the second microstrip part through the third opening, the second coaxial outer conductor is welded with the second elliptical radiation unit, and the second coaxial inner conductor is welded with the first microstrip part through the fourth opening.
As a preferable scheme, the first elliptical radiating element, the second elliptical radiating element, the third elliptical radiating element and the fourth elliptical radiating element are internally provided with a hollowed-out area with elliptical shapes, and the hollowed-out area is provided with a first cross bar, a second cross bar, a third cross bar, a fourth cross bar and a fifth cross bar which have the same width.
As a preferred solution, the reflective substrate further comprises a first support column and a second support column, wherein the first support column and the second support column are located between the dielectric substrate and the reflective floor.
As a preferable scheme, the periphery of the reflecting floor is provided with flanges which are perpendicular to the reflecting floor.
As a preferable scheme, the reflecting floor and the flanging are both made of copper sheets.
As a preferred solution, the first coaxial line and the second coaxial line are coaxial lines with impedance of 50Ω.
Compared with the prior art, the invention has the following beneficial effects:
1. the elliptical dual-polarized base station antenna is characterized in that four elliptical radiating elements are arranged on the lower surface of a dielectric substrate, and the four elliptical radiating elements are symmetrically formed into two antenna structures, so that the antenna has the advantages of good performance, simple structure and low processing cost, and meanwhile, two elliptical arc-shaped feed units are arranged on the upper surface of the dielectric substrate, so that impedance matching can be regulated, and stable antenna pattern bandwidth is realized together with the four elliptical radiating elements.
2. The elliptical dual-polarized base station antenna is characterized in that four parasitic units are further arranged on the lower surface of a dielectric substrate, and each parasitic unit is arranged between two adjacent elliptical radiating units in a circumferential mode, and two resonance points are arranged in a required frequency band range (1.71 GHz-2.69 GHz), wherein the first resonance point is controlled by the elliptical radiating unit, and the second resonance point is controlled by the parasitic unit.
3. The elliptical dual-polarized base station antenna is reasonable in layout, four elliptical radiating units are distributed on the lower surface of the dielectric substrate, and two elliptical arc-shaped feed units are distributed on the upper surface of the dielectric substrate, so that the two elliptical arc-shaped feed units can not only adjust impedance matching, but also participate in radiation.
Drawings
Fig. 1 is a schematic perspective view of an elliptical dual polarized base station antenna according to the present invention.
Fig. 2 is a schematic diagram of a three-dimensional structure of an elliptical radiating element, an elliptical arc-shaped feeding element and coaxial line welding of the elliptical dual-polarized base station antenna of the present invention.
Fig. 3 is a schematic diagram of the lower surface structure of a dielectric substrate of the elliptical dual-polarized base station antenna of the present invention.
Fig. 4 is a schematic diagram of the upper surface structure of a dielectric substrate of the elliptical dual-polarized base station antenna of the present invention.
Fig. 5 is an S-parameter electromagnetic simulation curve of the elliptical dual-polarized base station antenna of the present invention.
Fig. 6 is an electromagnetic simulation curve of standing wave ratio (VSWR) of the elliptical dual polarized base station antenna of the present invention.
Fig. 7 is an electromagnetic simulation curve of the gain of the elliptical dual polarized base station antenna of the present invention.
Fig. 8 is an electromagnetic simulation curve of the horizontal plane half power lobe width of an elliptical dual polarized base station antenna of the present invention.
Fig. 9 is an electromagnetic simulation curve of the vertical plane half power lobe width of an elliptical dual polarized base station antenna of the present invention.
Fig. 10 is an electromagnetic simulation curve of the cross polarization ratio of the elliptical dual polarized base station antenna of the present invention at 1.7 GHz.
Fig. 11 is an electromagnetic simulation curve of the cross polarization ratio of the elliptical dual-polarized base station antenna of the present invention at 2.2 GHz.
Fig. 12 is an electromagnetic simulation curve of the cross polarization ratio of the elliptical dual polarized base station antenna of the present invention at.7 GHz.
The antenna comprises a 1-dielectric substrate, a 2-reflection floor, a 3-first coaxial line, a 4-second coaxial line, a 5-first support column, a 6-second support column, a 7-flanging, an 8-first elliptical radiating element, a 9-second elliptical radiating element, a 10-third elliptical radiating element, a 11-fourth elliptical radiating element, a 12-first parasitic element, a 13-second parasitic element, a 14-third parasitic element, a 15-fourth parasitic element, a 16-first transverse bar, a 17-second transverse bar, a 18-third transverse bar, a 19-fourth transverse bar, a 20-fifth transverse bar, a 21-first elliptical arc-shaped feed element, a 22-second elliptical arc-shaped feed element, a 23-first microstrip section, a 24-first elliptical arc-shaped extension section, a 25-second microstrip section, a 26-third microstrip section, a 27-fourth microstrip section, a 28-second elliptical arc-shaped extension section, a 29-first aperture, a 30-second aperture, a 31-third aperture, and a 32-fourth aperture.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
Example 1:
as shown in fig. 1 to 4, the elliptical dual-polarized base station antenna of the present embodiment includes a dielectric substrate 1, a reflective floor 2, a first coaxial line 3, a second coaxial line 4, a first support column 5, and a second support column 6;
the dielectric substrate 1 is made of a PCB, the reflective floor 2 is positioned below the dielectric substrate 1, flanges 7 perpendicular to the reflective floor 2 are arranged on the periphery of the reflective floor 2, the reflective floor 2 and the flanges 7 are made of metal materials, the metal materials are preferably copper sheets, the first coaxial line 3, the second coaxial line 4, the first support column 5 and the second support column 6 are positioned between the dielectric substrate 1 and the reflective floor 2, the first coaxial line 3 and the second coaxial line 4 are used for transmitting signals, and the impedance is 50 omega; the first support columns 5 and the second support columns 6 are used for supporting the dielectric substrate 1.
The lower surface of the dielectric substrate 1 is provided with a first elliptical radiating element 8, a second elliptical radiating element 9, a third elliptical radiating element 10, a fourth elliptical radiating element 11, a first parasitic element 12, a second parasitic element 13, a third parasitic element 14 and a fourth parasitic element 15;
the first elliptical radiating element 8, the second elliptical radiating element 9, the third elliptical radiating element 10 and the fourth elliptical radiating element 11 are sequentially arranged on the lower surface of the dielectric substrate 1 in a circumferential manner, the first elliptical radiating element 8 and the third elliptical radiating element 10 are mutually symmetrical to form a first antenna structure, and the second elliptical radiating element 9 and the fourth elliptical radiating element 11 are mutually symmetrical to form a second antenna structure; in this embodiment, the first elliptical radiating element 8, the second elliptical radiating element 9, the third elliptical radiating element 10 and the fourth elliptical radiating element 11 have an elliptical hollow region, and the hollow region is provided with a first cross bar 16, a second cross bar 17, a third cross bar 18, a fourth cross bar 19 and a fifth cross bar 20 with the same width, which can increase the current path and further improve the reflection coefficient S11/S22;
the first parasitic element 12 is located between the first elliptical radiating element 8 and the second elliptical radiating element 9, the second parasitic element 13 is located between the second elliptical radiating element 9 and the third elliptical radiating element 10, the third parasitic element 14 is located between the third elliptical radiating element 10 and the fourth elliptical radiating element 11, and the fourth parasitic element 15 is located between the fourth elliptical radiating element 11 and the first elliptical radiating element 8, these four parasitic elements being used to expand the high frequency bandwidth;
the upper surface of the dielectric substrate 1 is provided with a first elliptical arc-shaped feed unit 21 and a second elliptical arc-shaped feed unit 22, wherein the first elliptical arc-shaped feed unit 21 is used for feeding power to a second antenna structure and comprises a first microstrip part 23 and a first elliptical arc-shaped extension part 24 which are connected in sequence; the second elliptical arc-shaped feeding unit 22 is used for feeding the first antenna structure and comprises a second microstrip part 25, a third microstrip part 26, a fourth microstrip part 27 and a second elliptical arc-shaped extension part 28 which are sequentially connected; wherein the first elliptical arc-shaped extension 24 is used for coupling excitation of the second elliptical radiation unit 9 and the second elliptical arc-shaped extension 28 is used for coupling excitation of the third elliptical radiation unit 10.
The dielectric substrate 1 is provided with a first opening 29, a second opening 30, a third opening 31 and a fourth opening 32, the second microstrip section 25 is connected with the third microstrip section 26 through the first opening 29, and the third microstrip section 26 is connected with the fourth microstrip section 27 through the second opening 30;
the first coaxial line 3 is respectively connected with the third elliptical radiating element 10 and the second elliptical arc-shaped feeding unit 22 in a specific way that: the outer conductor of the first coaxial line 3 is welded to the third elliptical radiating element 10, and the inner conductor of the first coaxial line 3 is welded to the second microstrip section 25 through the third aperture 31;
the second coaxial line 4 is respectively connected with the second elliptical radiating element 9 and the first elliptical arc-shaped feeding element 21, and the specific mode is as follows: the outer conductor of the second coaxial line 4 is soldered to the second oblong radiating element 9 and the inner conductor of the second coaxial line 4 is soldered to the first microstrip section 23 via the fourth opening 32.
As shown in fig. 5, in the electromagnetic simulation curve of the S parameter of the elliptical dual-polarized base station antenna of this embodiment (S11 refers to the return loss of the input port1, S22 refers to the return loss of the output port2, and S12 refers to the reverse transmission coefficient, i.e. isolation), it can be seen that the S11 parameter and the S22 parameter of the elliptical dual-polarized base station antenna of this embodiment are smaller than-15 dB in the required frequency band (1.71 GHz-2.69GHz frequency band), and the S12 parameter is smaller than-25 dB, and a resonance point appears at the frequencies of 1.75GHz and 2.5GHz, respectively, where the first resonance point is controlled by the elliptical radiation unit, and the second resonance point is controlled by the parasitic unit.
As shown in fig. 6, an electromagnetic simulation curve (port 1 refers to a standing wave ratio of an input port1, and port2 refers to a standing wave ratio of an output port 2) of a standing wave ratio (VSWR) of the elliptical dual-polarized base station antenna according to the present embodiment, it can be seen that the standing wave ratio of the two ports is less than 1.5 in a required frequency band (1.71 GHz-2.69GHz frequency band).
As shown in fig. 7, an electromagnetic simulation curve of the gain of the elliptical dual-polarized base station antenna of the present embodiment (port 1 refers to the gain of the input port1 and port2 refers to the gain of the output port 2), it can be seen that the gains of both ports are greater than 8dB in the required frequency band.
As shown in fig. 8 and 9, the electromagnetic simulation curves of the horizontal plane half power lobe width (port 1 refers to the horizontal plane half power lobe width of the input port1, port2 refers to the horizontal plane half power lobe width of the output port 2) and the vertical plane half power lobe width (port 1 refers to the vertical plane half power lobe width of the input port1, port2 refers to the vertical plane half power lobe width of the output port 2) of the elliptical dual-polarized base station antenna of the present embodiment respectively, and it can be seen that the lobe widths of both ports are between 60 ° and 70 ° in the required frequency band (1.71 GHz-2.69GHz frequency band).
As shown in fig. 10, 11 and 12, it is illustrated that the cross polarization ratio of the elliptical dual-polarized base station antenna of the present embodiment completely meets the requirements of the base station antenna at 1.7GHz, 2.2GHz and 2.7 GHz.
In summary, the elliptical dual-polarized base station antenna of the invention has four elliptical radiating elements arranged on the lower surface of the dielectric substrate, and the four elliptical radiating elements are symmetrically formed into two antenna structures, so that the antenna has the advantages of good performance, simple structure and low processing cost, and meanwhile, the two elliptical arc-shaped feeding units are arranged on the upper surface of the dielectric substrate, thus not only being capable of adjusting impedance matching, but also realizing stable antenna pattern bandwidth together with the four elliptical radiating elements.
The above-mentioned embodiments are only preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can make equivalent substitutions or modifications according to the technical solution and the inventive concept of the present invention within the scope of the present invention disclosed in the present invention patent, and all those skilled in the art belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides an oval dual polarized base station antenna, includes dielectric substrate, reflection floor, first coaxial line and second coaxial line, the reflection floor is located dielectric substrate below, first coaxial line and second coaxial line are located between dielectric substrate and the reflection floor, its characterized in that: the lower surface of the dielectric substrate is provided with a first elliptical radiating element, a second elliptical radiating element, a third elliptical radiating element, a fourth elliptical radiating element, a first parasitic element, a second parasitic element, a third parasitic element and a fourth parasitic element, and the upper surface of the dielectric substrate is provided with a first elliptical arc-shaped feed unit and a second elliptical arc-shaped feed unit;
the first elliptical radiating element, the second elliptical radiating element, the third elliptical radiating element and the fourth elliptical radiating element are sequentially arranged on the lower surface of the medium substrate in a circumferential manner; the first elliptical radiating element and the third elliptical radiating element are mutually symmetrical to form a first antenna structure, and the second elliptical radiating element and the fourth elliptical radiating element are mutually symmetrical to form a second antenna structure; the first elliptical radiating element, the second elliptical radiating element, the third elliptical radiating element and the fourth elliptical radiating element are internally provided with a hollowed-out area with elliptical shapes, and the hollowed-out area is provided with a first cross bar, a second cross bar, a third cross bar, a fourth cross bar and a fifth cross bar which are the same in width;
the first parasitic element, the second parasitic element, the third parasitic element and the fourth parasitic element are triangular, two sides of the first parasitic element are arc-shaped, the first parasitic element is positioned between the first elliptical radiating element and the second elliptical radiating element, two arc-shaped sides of the first parasitic element are respectively close to the edges of the first elliptical radiating element and the second elliptical radiating element, the second parasitic element is positioned between the second elliptical radiating element and the third elliptical radiating element, two arc-shaped sides of the second parasitic element are respectively close to the edges of the second elliptical radiating element and the third elliptical radiating element, the third parasitic element is positioned between the third elliptical radiating element and the fourth elliptical radiating element, two arc-shaped sides of the third parasitic element are respectively close to the edges of the third elliptical radiating element and the fourth elliptical radiating element, the fourth parasitic element is positioned between the fourth elliptical radiating element and the first elliptical radiating element, and two arc-shaped sides of the fourth parasitic element are respectively close to the edges of the fourth elliptical radiating element and the first elliptical radiating element;
the first coaxial line is respectively connected with the third elliptical radiating element and the second elliptical arc-shaped feeding unit, and the second coaxial line is respectively connected with the second elliptical radiating element and the first elliptical arc-shaped feeding unit.
2. An elliptical dual polarized base station antenna according to claim 1, characterized in that: the first elliptical arc-shaped feed unit comprises a first microstrip part and a first elliptical arc-shaped extension part which are sequentially connected, and the second elliptical arc-shaped feed unit comprises a second microstrip part, a third microstrip part, a fourth microstrip part and a second elliptical arc-shaped extension part which are sequentially connected; the first elliptical arc-shaped extension is used for coupling and exciting a second elliptical radiation unit, and the second elliptical arc-shaped extension is used for coupling and exciting a third elliptical radiation unit.
3. An elliptical dual polarized base station antenna according to claim 2, characterized in that: the dielectric substrate is provided with a first opening, a second opening, a third opening and a fourth opening, the second microstrip part is connected with the third microstrip part through the first opening, the third microstrip part is connected with the fourth microstrip part through the second opening, the outer conductor of the first coaxial line is welded with the third elliptical radiation unit, the inner conductor of the first coaxial line is welded with the second microstrip part through the third opening, the outer conductor of the second coaxial line is welded with the second elliptical radiation unit, and the inner conductor of the second coaxial line is welded with the first microstrip part through the fourth opening.
4. An elliptical dual polarized base station antenna according to any of claims 1-3, characterized in that: the reflective substrate also comprises a first support column and a second support column, wherein the first support column and the second support column are positioned between the dielectric substrate and the reflective floor.
5. An elliptical dual polarized base station antenna according to any of claims 1-3, characterized in that: the periphery of the reflecting floor is provided with a flanging vertical to the reflecting floor.
6. An elliptical dual polarized base station antenna according to claim 5, wherein: the reflecting floor and the flanging are both made of copper sheets.
7. An elliptical dual polarized base station antenna according to claims 1-3, characterized in that: the first coaxial line and the second coaxial line are coaxial lines with impedance of 50Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611094630.5A CN106711580B (en) | 2016-12-02 | 2016-12-02 | Elliptical dual-polarized base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611094630.5A CN106711580B (en) | 2016-12-02 | 2016-12-02 | Elliptical dual-polarized base station antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106711580A CN106711580A (en) | 2017-05-24 |
| CN106711580B true CN106711580B (en) | 2023-08-22 |
Family
ID=58935409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611094630.5A Active CN106711580B (en) | 2016-12-02 | 2016-12-02 | Elliptical dual-polarized base station antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106711580B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115775980B (en) * | 2023-02-10 | 2023-05-02 | 西南交通大学 | Low-profile broadband dual-polarized antenna loaded by magnetic medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014039192A (en) * | 2012-08-17 | 2014-02-27 | Denki Kogyo Co Ltd | Dual polarized antenna |
| CN103682678A (en) * | 2013-12-03 | 2014-03-26 | 华南理工大学 | Dual polarization base station antenna with Y-shaped feed units |
| CN104916910A (en) * | 2015-06-12 | 2015-09-16 | 华南理工大学 | Dual-polarized base station antenna based on coupled feeding structure |
| CN206271860U (en) * | 2016-12-02 | 2017-06-20 | 华南理工大学 | A kind of oval Bipolarization antenna for base station |
-
2016
- 2016-12-02 CN CN201611094630.5A patent/CN106711580B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014039192A (en) * | 2012-08-17 | 2014-02-27 | Denki Kogyo Co Ltd | Dual polarized antenna |
| CN103682678A (en) * | 2013-12-03 | 2014-03-26 | 华南理工大学 | Dual polarization base station antenna with Y-shaped feed units |
| CN104916910A (en) * | 2015-06-12 | 2015-09-16 | 华南理工大学 | Dual-polarized base station antenna based on coupled feeding structure |
| CN206271860U (en) * | 2016-12-02 | 2017-06-20 | 华南理工大学 | A kind of oval Bipolarization antenna for base station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106711580A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8384607B2 (en) | Compact antenna system | |
| CN107808998B (en) | Multi-polarization radiation oscillator and antenna | |
| CN112803156A (en) | Broadband and low-profile crossed dual-polarized dipole antenna and communication terminal | |
| CN116505254B (en) | Broadband circularly polarized dipole antenna and wireless communication device | |
| CN112688076A (en) | Planar multi-port multi-band common-ground small-spacing high-isolation MIMO antenna | |
| WO2021244158A1 (en) | Dual-polarized antenna and customer premise equipment | |
| CN106356618B (en) | Microwave high-frequency band dual-polarization small base station panel antenna | |
| WO2019223318A1 (en) | Indoor base station and pifa antenna thereof | |
| CN111293435A (en) | 5G dual-frequency quaternary MIMO antenna | |
| CN106684549B (en) | Compact elliptical bending annular dual-polarized broadband base station antenna | |
| CN111293434A (en) | 5G dual-frequency binary MIMO antenna | |
| CN211605404U (en) | 5G dual-frequency quaternary MIMO antenna | |
| CN111600115B (en) | Broadband dual-frequency dual-polarized filtering base station antenna | |
| CN106711580B (en) | Elliptical dual-polarized base station antenna | |
| CN211455960U (en) | High-gain radio frequency front-end device | |
| CN106532249B (en) | Compact elliptical annular dual-polarized base station antenna | |
| CN111987436A (en) | 5G frequency band wide beam dual-polarization base station antenna and mobile communication system | |
| CN109742539B (en) | Patch antenna with broadband and filtering characteristics | |
| CN110911828A (en) | Broadband differential feed dual-polarized antenna adopting integrated six-port power divider | |
| CN114583442B (en) | Antenna unit and omni-directional dipole antenna | |
| CN217158638U (en) | Ultra-wideband dual-polarized antenna based on magnetoelectric dipole | |
| CN113964522B (en) | Miniaturized differential feed dual-polarized C-band patch antenna | |
| CN206271860U (en) | A kind of oval Bipolarization antenna for base station | |
| CN211455951U (en) | 5G dual-frequency binary MIMO antenna | |
| WO2022226735A1 (en) | Dual-frequency dual-polarized antenna and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |