CN114824764A - High-gain ultra-wideband dual-polarized directional oscillator - Google Patents
High-gain ultra-wideband dual-polarized directional oscillator Download PDFInfo
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- CN114824764A CN114824764A CN202210592413.8A CN202210592413A CN114824764A CN 114824764 A CN114824764 A CN 114824764A CN 202210592413 A CN202210592413 A CN 202210592413A CN 114824764 A CN114824764 A CN 114824764A
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- 230000005855 radiation Effects 0.000 claims abstract description 68
- 230000003071 parasitic effect Effects 0.000 claims abstract description 48
- 230000033228 biological regulation Effects 0.000 claims abstract description 9
- 230000010287 polarization Effects 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 10
- 238000004512 die casting Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000191 radiation effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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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
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- 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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Abstract
The utility model provides a directional oscillator of high-gain ultra wide band double polarization which characterized in that, includes radiation oscillator main part, parasitic piece, balun base and regulation post, parasitic piece is adorned in radiation oscillator main part top, balun base is connected with radiation oscillator main part, the geometric center below of radiation oscillator main part is located to the balun base, radiation oscillator main part includes dielectric-slab and four oscillator arms, four oscillator arms dress inlays on the dielectric-slab, four oscillator arms all are equipped with the regulation post, it connects in the end of oscillator arm to adjust the post. The oscillator is designed by the aid of the 2700MHz of the central frequency point, radiation of 1710-3700 MHz frequency bands can be realized, practicability is greatly improved, broadband radiation is realized by combining a plurality of sets of oscillators in different frequency bands without using a combiner, and the defects of poor standing wave and poor radiation effect of the conventional oscillator in the 2700 and 3300MHz frequency bands are overcome.
Description
Technical Field
The invention relates to the technical field of communication antennas, in particular to a high-gain ultra-wideband dual-polarized directional oscillator.
Background
In recent years, wireless communication systems are rapidly developed, network systems are more and more, requirements on working bandwidth and gain of antennas are higher and higher, and the trend that antennas are broadband is developed. The dual-polarized antenna is a novel antenna technology, combines two pairs of antennas with orthogonal polarization directions of +45 degrees and-45 degrees and works in a receiving-transmitting duplex mode simultaneously, so that compared with the traditional single-polarized antenna, the dual-polarized antenna has the outstanding advantages of saving the number of antennas of a single directional base station, having low requirement on installation environment and effectively ensuring the gain of diversity reception.
The performance of antenna to a great extent depends on the performance of radiation oscillator, and present oscillator broadband is mostly 1710 ~ 2700MHz, if want to increase the bandwidth, need two kinds of oscillators of 1710 ~ 2700MHz and 3300 ~ 3700MHz to pass through the combiner, just can realize 1710 ~ 3700 MHz's bandwidth. The existing oscillator lacks standing waves and radiation characteristics of 2700-3700 MHz sections, so that the radiation effect is poor in 2700MHz radiation sections, and the problem of flash occurs. Therefore, an ultra-wideband dual-polarized oscillator is urgently needed, standing waves in the frequency range of 1710-3700 MHz can be realized, and the radiation characteristic is improved.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, the present invention provides a high-gain ultra-wideband dual-polarized directional oscillator, which solves the above problems of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a directional oscillator of high-gain ultra wide band double polarization, includes radiation oscillator main part, parasitic piece, balun base and regulation post, the parasitic piece is adorned in radiation oscillator main part top, the balun base is connected with the radiation oscillator main part, the geometric center below of radiation oscillator main part is located to the balun base, the radiation oscillator main part includes medium plate and four oscillator arms, four oscillator arms dress inlays on the medium plate, four oscillator arms all are equipped with the regulation post, it connects in the end of oscillator arm to adjust the post.
As a further improvement of the invention: the dielectric plate is of a square structure, large round holes are formed in four corners of the dielectric plate, four small round holes are formed in the center of the dielectric plate, and the four small round holes are arranged in a square shape.
As a further improvement of the invention: a balun base is arranged below the radiation oscillator main body and comprises two balun support columns and a base, the base and the balun support columns are integrally formed through die casting, the two balun support columns are respectively connected with two adjacent oscillator arms, the balun support columns are connected with a bottom plate through small round holes in the center of a dielectric plate, and the balun base is used for current matching and supporting the oscillator arms.
As a further improvement of the invention: two coaxial cables are further arranged below the radiation oscillator main body, outer conductors of the two coaxial cables are respectively connected with the other two adjacent oscillator arms, inner conductors of the two coaxial cables are respectively connected with the two adjacent oscillator arms connected with the balun support columns to form a feed structure, and the feed structure excites the ultra-wideband dual-polarization directional oscillator.
As a further improvement of the invention: the oscillator arm is in a leaf shape, a water drop shape, a round shape or other shapes, the oscillator arm is connected with the top of the balun base, the joint of the oscillator arm and the balun base is the central part of the oscillator arm, and the tip end of the oscillator arm is arranged at one end, far away from the balun base, of the oscillator arm.
As a further improvement of the invention: and a hollow structure is formed between the central part and the tip part of the vibrator arm, and the hollow structure is circular, square or other shapes.
As a further improvement of the invention: the parasitic pieces are of square, polygonal or circular structures, the area of each parasitic piece is smaller than that of the radiation oscillator main body, and the parasitic pieces are fixedly connected with the radiation oscillator main body through a plurality of insulating support columns.
As a further improvement of the invention: the adjusting column is arranged at the tail end of the vibrator arm and is perpendicular to the vibrator arm, the adjusting column is connected to the tail end of the vibrator arm in a welding, riveting or other mode, and the adjusting column penetrates through a large round hole of the dielectric slab.
As a further improvement of the invention: the oscillator radiation main body and the balun base are integrally formed.
As a further improvement of the invention: the balun base is arranged on the reflection bottom plate, a reflection baffle is arranged above the reflection bottom plate, and the reflection baffle is vertically arranged on the edge of the reflection bottom plate.
As a further improvement of the invention: the distance between the parasitic piece and the radiation oscillator body is smaller than the height of the balun support column.
Compared with the prior art, the invention has the beneficial effects that: the oscillator is designed by the aid of the 2700MHz of the central frequency point, radiation of 1710-3700 MHz frequency bands can be realized, practicability is greatly improved, broadband radiation is realized by combining a plurality of sets of oscillators in different frequency bands without using a combiner, and the defects of poor standing wave and poor radiation effect of the conventional oscillator in the 2700 and 3300MHz frequency bands are overcome.
Parasitic pieces are added on the oscillator, so that the radiation characteristic is favorably improved, and the parasitic pieces are radiated in the opposite direction through the bottom plate. Through tests, when the mounting height of the parasitic chip, namely the distance between the parasitic chip and the dielectric plate is one fourth of the distance between the parasitic chip and the reflecting bottom plate, the gain effect of the 3700MHz frequency band is higher.
And the adjusting column vertically arranged at the tip part of the vibrator effectively reduces the size of the vibrator and improves the performance index of a high frequency band.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is an exploded view of a structure according to a first embodiment of the present invention;
FIG. 3 is a schematic voltage standing wave ratio diagram according to the present invention;
FIG. 4 is a diagram illustrating performance indicators according to the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying description and examples: as shown in fig. 1 to 4:
the first embodiment is as follows:
this embodiment discloses a high-gain ultra wide band dual polarization directional oscillator, including radiation oscillator main part 1, parasitic piece 2, balun base 3 and regulation post 4, parasitic piece 2 is adorned in radiation oscillator main part 1 top, balun base 3 is connected with radiation oscillator main part 1, balun base 3 locates the geometric center below of radiation oscillator main part 1, radiation oscillator main part 1 includes dielectric plate 11 and four oscillator arms 12, four oscillator arms 12 dress inlays on dielectric plate 11, four oscillator arms 12 all are equipped with regulation post 13, regulation post 13 is connected in the end of oscillator arm 12.
The dielectric plate 11 is of a square structure, the four corners of the dielectric plate 11 are provided with large round holes 111, the center of the dielectric plate 11 is provided with four small round holes 112, and the four small round holes 112 are arranged in a square shape.
A balun base 3 is arranged below the radiation oscillator main body 1, the balun base 3 comprises two balun support columns 31 and a base 32, the base 32 and the balun support columns 31 are integrally formed through die-casting, the two balun support columns 31 are respectively connected with two adjacent oscillator arms 12, the balun support columns 31 are connected with a bottom plate 32 through a small circular hole 112 in the center of a dielectric plate 11, and the balun base 3 is used for current matching and supporting the oscillator arms 12.
Two coaxial cables 5 are further arranged below the radiation oscillator body 1, outer conductors of the two coaxial cables 5 are respectively connected with the other two adjacent oscillator arms 12, inner conductors of the two coaxial cables 5 are respectively connected with the two adjacent oscillator arms 12 connected with the balun support columns 31 to form a feed structure, and the feed structure excites the dual-polarized ultra-wideband directional oscillator.
The oscillator arm 12 is in a leaf shape, the oscillator arm 12 is connected with the top of the balun base 3, the connection position of the oscillator arm 12 and the balun base 3 is the central part of the oscillator arm 12, and the tip part of the oscillator arm 12 is arranged at one end, far away from the balun base 3, of the oscillator arm 12.
A hollow structure 121 is formed between the central portion and the tip portion of the vibrator arm 12, and the hollow structure 121 is circular.
The parasitic piece 2 is of a square structure, the area of the parasitic piece 2 is smaller than that of the radiation oscillator main body 1, and the parasitic piece 2 is fixedly connected with the radiation oscillator main body 1 through a plurality of insulating support columns 21.
The adjusting column 13 is arranged at the tail end of the vibrator arm 12, the adjusting column 13 is perpendicular to the vibrator arm 12, the adjusting column 13 is connected to the tail end of the vibrator arm 12 through welding, riveting or other modes, and the adjusting column 13 penetrates through the large round hole 111 of the medium plate 11.
The oscillator radiation main body 1 and the balun base 3 are integrally formed.
The balun base 3 is arranged on the reflecting bottom plate 6, a reflecting baffle 61 is arranged above the reflecting bottom plate 6, and the reflecting baffle 61 is vertically arranged on the edge of the reflecting bottom plate 6.
The distance between the parasitic piece 2 and the radiation element body 1 is smaller than the height of the balun support 31.
The distance between the parasitic patch 2 and the dielectric plate 11 is one fourth of the distance between the parasitic patch 2 and the reflecting bottom plate 6.
The second embodiment:
the second embodiment discloses a high-gain ultra-wideband dual-polarized directional oscillator, which comprises a radiation oscillator main body 1, a parasitic piece 2, a balun base 3 and an adjusting column 4, wherein the parasitic piece 2 is arranged above the radiation oscillator main body 1, the balun base 3 is connected with the radiation oscillator main body 1, the balun base 3 is arranged below the geometric center of the radiation oscillator main body 1, the radiation oscillator main body 1 comprises a dielectric plate 11 and four oscillator arms 12, the four oscillator arms 12 are embedded on the dielectric plate 11, the four oscillator arms 12 are respectively provided with the adjusting column 13, and the adjusting column 13 is connected to the tail end of the oscillator arms 12.
The dielectric plate 11 is of a square structure, the four corners of the dielectric plate 11 are provided with large round holes 111, the center of the dielectric plate 11 is provided with four small round holes 112, and the four small round holes 112 are arranged in a square shape.
A balun base 3 is arranged below the radiation oscillator main body 1, the balun base 3 comprises two balun support columns 31 and a base 32, the base 32 and the balun support columns 31 are integrally formed through die casting, the two balun support columns 31 are respectively connected with two adjacent oscillator arms 12, the balun support columns 31 are connected with a bottom plate 32 through small circular holes 112 in the center of a dielectric plate 11, and the balun base 3 is used for current matching and supporting the oscillator arms 12.
Two coaxial cables 5 are further arranged below the radiation oscillator body 1, outer conductors of the two coaxial cables 5 are respectively connected with the other two adjacent oscillator arms 12, inner conductors of the two coaxial cables 5 are respectively connected with the two adjacent oscillator arms 12 connected with the balun support columns 31 to form a feed structure, and the feed structure excites the ultra-wideband dual-polarized directional oscillator.
The oscillator arm 12 is in a water drop shape, the oscillator arm 12 is connected with the top of the balun base 3, the connection position of the oscillator arm 12 and the balun base 3 is the central part of the oscillator arm 12, and the tip part of the oscillator arm 12 is arranged at one end, far away from the balun base 3, of the oscillator arm 12.
A hollow structure 121 is formed between the central portion and the tip portion of the vibrator arm 12, and the hollow structure 121 is circular.
The parasitic piece 2 is of a polygonal structure, the area of the parasitic piece 2 is smaller than that of the radiation oscillator main body 1, and the parasitic piece 2 is fixedly connected with the radiation oscillator main body 1 through a plurality of insulating support columns 21.
The adjusting column 13 is arranged at the tail end of the vibrator arm 12, the adjusting column 13 is perpendicular to the vibrator arm 12, the adjusting column 13 is connected to the tail end of the vibrator arm 12 through welding, riveting or other modes, and the adjusting column 13 penetrates through the large round hole 111 of the medium plate 11.
The oscillator radiation main body 1 and the balun base 3 are integrally formed.
The balun base 3 is arranged on the reflecting bottom plate 6, a reflecting baffle 61 is arranged above the reflecting bottom plate 6, and the reflecting baffle 61 is vertically arranged on the edge of the reflecting bottom plate 6.
The distance between the parasitic piece 2 and the radiation element body 1 is smaller than the height of the balun support 31.
The distance between the parasitic piece 2 and the dielectric plate 11 is one fourth of the distance between the parasitic piece 2 and the reflecting bottom plate 6.
The third embodiment is as follows:
the third embodiment discloses a high-gain ultra-wideband dual-polarized directional oscillator, which comprises a radiation oscillator main body 1, a parasitic piece 2, a balun base 3 and an adjusting column 4, wherein the parasitic piece 2 is arranged above the radiation oscillator main body 1, the balun base 3 is connected with the radiation oscillator main body 1, the balun base 3 is arranged below the geometric center of the radiation oscillator main body 1, the radiation oscillator main body 1 comprises a dielectric plate 11 and four oscillator arms 12, the four oscillator arms 12 are embedded on the dielectric plate 11, the four oscillator arms 12 are respectively provided with the adjusting column 13, and the adjusting column 13 is connected to the tail end of the oscillator arms 12.
The dielectric plate 11 is of a square structure, large round holes 111 are formed in four corners of the dielectric plate 11, four small round holes 112 are formed in the center of the radiation 11, and the four small round holes 112 are arranged in a square shape.
A balun base 3 is arranged below the radiation oscillator main body 1, the balun base 3 comprises two balun support columns 31 and a base 32, the base 32 and the balun support columns 31 are integrally formed through die casting, the two balun support columns 31 are respectively connected with two adjacent oscillator arms 12, the balun support columns 31 are connected with a bottom plate 32 through small circular holes 112 in the center of a dielectric plate 11, and the balun base 3 is used for current matching and supporting the oscillator arms 12.
Two coaxial cables 5 are further arranged below the radiation oscillator body 1, outer conductors of the two coaxial cables 5 are respectively connected with the other two adjacent oscillator arms 12, inner conductors of the two coaxial cables 5 are respectively connected with the two adjacent oscillator arms 12 connected with the balun support columns 31 to form a feed structure, and the feed structure excites the dual-polarized ultra-wideband directional oscillator.
The oscillator arm 12 is circular, the oscillator arm 12 is connected with the top of the balun base 3, the connection position of the oscillator arm 12 and the balun base 3 is the central part of the oscillator arm 12, and the tip part of the oscillator arm 12 is arranged at one end, far away from the balun base 3, of the oscillator arm 12.
A hollow structure 121 is formed between the central portion and the tip portion of the vibrator arm 12, and the hollow structure 121 is square.
The parasitic piece 2 is of a circular structure, the area of the parasitic piece 2 is smaller than that of the radiation oscillator main body 1, and the parasitic piece 2 is fixedly connected with the radiation oscillator main body 1 through a plurality of insulating support columns 21.
The adjusting column 13 is arranged at the tail end of the vibrator arm 12, the adjusting column 13 is perpendicular to the vibrator arm 12, the adjusting column 13 is connected to the tail end of the vibrator arm 12 through welding, riveting or other modes, and the adjusting column 13 penetrates through the large round hole 111 of the medium plate 11.
The oscillator radiation main body 1 and the balun base 3 are integrally formed.
The balun base 3 is arranged on the reflecting bottom plate 6, a reflecting baffle 61 is arranged above the reflecting bottom plate 6, and the reflecting baffle 61 is vertically arranged on the edge of the reflecting bottom plate 6.
The distance between the parasitic piece 2 and the radiation element body 1 is smaller than the height of the balun support 31.
The distance between the parasitic piece 2 and the dielectric plate 11 is one fifth of the distance between the parasitic piece 2 and the reflecting bottom plate 6.
The main functions of the invention are as follows: the oscillator is designed by the aid of the 2700MHz of the central frequency point, radiation of 1710-3700 MHz frequency bands can be realized, practicability is greatly improved, broadband radiation is realized by combining a plurality of sets of oscillators in different frequency bands without using a combiner, and the defects of poor standing wave and poor radiation effect of the conventional oscillator in the 2700 and 3300MHz frequency bands are overcome.
Parasitic pieces are added on the oscillator, so that the radiation characteristic is favorably improved, and the parasitic pieces are radiated in the opposite direction through the bottom plate. Through tests, when the mounting height of the parasitic chip, namely the distance between the parasitic chip and the dielectric plate is one fourth of the distance between the parasitic chip and the reflecting bottom plate, the gain effect of the 3700MHz frequency band is higher.
And the adjusting column vertically arranged at the tip part of the vibrator effectively reduces the size of the vibrator and improves the performance index of a high frequency band.
In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental labor according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.
Claims (10)
1. The utility model provides a directional oscillator of high-gain ultra wide band double polarization which characterized in that, includes radiation oscillator main part, parasitic piece, balun base and regulation post, parasitic piece is adorned in radiation oscillator main part top, balun base is connected with radiation oscillator main part, the geometric center below of radiation oscillator main part is located to the balun base, radiation oscillator main part includes dielectric-slab and four oscillator arms, four oscillator arms dress inlays on the dielectric-slab, four oscillator arms all are equipped with the regulation post, it connects in the end of oscillator arm to adjust the post.
2. The high-gain ultra-wideband dual-polarized directional oscillator according to claim 1, wherein the dielectric plate is of a square structure, large round holes are formed at four corners of the dielectric plate, four small round holes are formed in the center of the dielectric plate, and the four small round holes are arranged in a square shape.
3. The high-gain ultra-wideband dual-polarized directional oscillator according to claim 2, wherein a balun base is arranged below the radiation oscillator main body, the balun base comprises two balun support columns and a base, the base and the balun support columns are integrally formed through die casting, and the two balun support columns are respectively connected with two adjacent oscillator arms.
4. The high-gain ultra wide band dual-polarized directional oscillator according to claim 3, wherein two coaxial cables are further arranged below the radiating oscillator body, outer conductors of the two coaxial cables are respectively connected with the other two adjacent oscillator arms, inner conductors of the two coaxial cables are respectively connected with the two adjacent oscillator arms connected with the balun support columns to form a feed structure, and the feed structure excites the ultra wide band dual-polarized directional oscillator.
5. The high-gain ultra-wideband dual-polarized directional oscillator according to claim 4, wherein the oscillator arm is in a leaf shape, a water drop shape, a round shape or other shapes, the oscillator arm is connected with the top of the balun base, the connection position of the oscillator arm and the balun base is the central part of the oscillator arm, and the end of the oscillator arm far away from the balun base is the tip part of the oscillator arm.
6. The high-gain ultra-wideband dual-polarized directional oscillator according to claim 5, wherein a hollow structure is formed between the central portion and the tip portion of the oscillator arm, and the hollow structure is circular, square or other shapes.
7. The high-gain ultra-wideband dual-polarized directional oscillator according to claim 6, wherein the parasitic patch has a square, polygonal or circular structure, the area of the parasitic patch is smaller than that of the radiating oscillator body, and the parasitic patch is fixedly connected with the radiating oscillator body through a plurality of insulating support posts.
8. The high-gain ultra wide band dual-polarized directional oscillator according to claim 7, wherein the adjusting column is arranged at the tail end of the oscillator arm, the adjusting column is perpendicular to the oscillator arm and is connected to the tail end of the oscillator arm in a welding, riveting or other mode, and the adjusting column penetrates through a large round hole of the dielectric plate.
9. The high-gain ultra-wideband dual-polarized directional oscillator according to claim 8, wherein the balun base is mounted on a reflection bottom plate, a reflection baffle is arranged above the reflection bottom plate, and the reflection baffle is vertically arranged on the edge of the reflection bottom plate.
10. The high-gain ultra-wideband dual-polarized directional oscillator according to claim 9, wherein the distance between the parasitic patch and the radiating oscillator body is less than the height of the balun support posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210592413.8A CN114824764A (en) | 2022-05-28 | 2022-05-28 | High-gain ultra-wideband dual-polarized directional oscillator |
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| CN202210592413.8A CN114824764A (en) | 2022-05-28 | 2022-05-28 | High-gain ultra-wideband dual-polarized directional oscillator |
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| CN110635219A (en) * | 2019-10-12 | 2019-12-31 | 广东健博通科技股份有限公司 | 5G ultra-wideband dual-polarized coupling radiation unit and antenna |
| CN210142711U (en) * | 2019-08-28 | 2020-03-13 | 武汉虹信通信技术有限责任公司 | Base station antenna splicing radiation unit and antenna array |
| CN110911827A (en) * | 2019-10-18 | 2020-03-24 | 东南大学 | Broadband integrated balun and antenna unit |
| CN210926326U (en) * | 2019-12-27 | 2020-07-03 | 广东盛路通信科技股份有限公司 | Miniaturized ultra-wideband base station antenna unit |
| CN112038758A (en) * | 2020-09-23 | 2020-12-04 | 广东曼克维通信科技有限公司 | Ultra-wideband dual-polarized radiation unit, antenna and antenna array |
| CN217485700U (en) * | 2022-05-28 | 2022-09-23 | 广东浩信通信科技有限公司 | High-gain ultra-wideband dual-polarized directional oscillator |
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2022
- 2022-05-28 CN CN202210592413.8A patent/CN114824764A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016029680A1 (en) * | 2014-08-25 | 2016-03-03 | 罗森伯格技术（昆山）有限公司 | Dual-polarization vibrator |
| US20170250462A1 (en) * | 2014-11-18 | 2017-08-31 | Zimeng LI | Miniaturized dual-polarized base station antenna |
| CN206850029U (en) * | 2017-04-17 | 2018-01-05 | 广东通宇通讯股份有限公司 | High-frequency ultra-wideband dual polarization all-wave radiating element |
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| CN217485700U (en) * | 2022-05-28 | 2022-09-23 | 广东浩信通信科技有限公司 | High-gain ultra-wideband dual-polarized directional oscillator |
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