CN108767452A - A kind of high-performance dual-polarization radiation unit and isolation adjusting method - Google Patents
A kind of high-performance dual-polarization radiation unit and isolation adjusting method Download PDFInfo
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- CN108767452A CN108767452A CN201810371642.0A CN201810371642A CN108767452A CN 108767452 A CN108767452 A CN 108767452A CN 201810371642 A CN201810371642 A CN 201810371642A CN 108767452 A CN108767452 A CN 108767452A
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- 230000005855 radiation Effects 0.000 title claims abstract description 76
- 238000002955 isolation Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010586 diagram Methods 0.000 claims abstract description 38
- 230000008878 coupling Effects 0.000 claims abstract description 32
- 238000010168 coupling process Methods 0.000 claims abstract description 32
- 238000005859 coupling reaction Methods 0.000 claims abstract description 32
- 230000010287 polarization Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000007769 metal material Substances 0.000 claims description 8
- 230000005284 excitation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000001465 metallisation Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention provides a kind of high-performance dual-polarization radiation unit, including radiation fin component, the first feed Balun, the second feed Balun and work(scoreboard, first feed Balun, the second feed Balun are orthogonal to be mounted in work(scoreboard, radiation fin component is located at the first feed Balun, the second feed Balun top, radiation fin component includes radiation fin and medium carrier, radiation fin is located at the front of medium carrier, and the back side of medium carrier is equipped with directional diagram choke coil and coupling minor matters.Radiating element performance is effectively improved by directional diagram choke coil, coupling minor matters, makes it have the features such as bandwidth, high gain, polarization characteristic are good, isolation characteristic is good, small by edge effect.The invention also discloses a kind of dual-polarization radiating unit isolation adjusting methods accordingly：Polarization separation is effectively improved from degree by the way that isolator is arranged below radiation fin.The present invention is suitable for single array element or more array antenna group battle array applications, in being particularly suitable for, the 5G on close coupling boundary communicate extensive Phalanx antenna array application.
Description
Technical field
The present invention relates to mobile communication and wireless communication field more particularly to a kind of high-performance dual-polarization radiation unit and every
From degree adjusting method.
Background technology
The fast development of wireless communication technique in recent years, strong influence society all trades and professions, not only enrich and just
Profit daily life, while also having driven increasing rapidly for wireless data related industry.Such as：Artificial intelligence AI, nothing
People's driving, big data acquisition, VR virtual realities, Internet of Things etc..Predict that the following ten annual data business will be with annual according to associated mechanisms
1.6-2 times of rate increases.This just gives following communication system to propose higher technology requirement：More unimpeded transmission rate,
More stable communication quality, more rich application scenarios, more personalized experience.Next generation communication system -5G communications are gradual
As the research hotspot of various countries' mobile communications industry, the extensive array antenna system as one of 5G communications system core technologies
（Massive MIMO) utilize space division multiple access（SDMA）Technology can service multiple users on same running time-frequency resource, utilize simultaneously
The vast array gain and interference mitigation gains that large-scale antenna array is brought so that the gain of cell total frequency spectrum and edge customer
Spectrum efficiency has obtained great promotion.
Currently, the research of the extensive array antenna of 5G communications also faces many problems and challenge, such as communication apparatus
The trend of miniaturization makes very big limitation to antenna size and shape, and how in a limited space interior realization communication system is to antenna
The requirement of performance indicator is the challenge proposed to all researchers.Especially because of antenna element number in Massive MIMO technologies
The isolation that purpose increases, the reduction of array element spacing is brought deteriorates also brings further challenge to relevant research.Therefore how
Realization has the characteristics that bandwidth, high gain, polarization characteristic are good, isolation characteristic is good, small by edge effect, and is suitable for Dan Zhen
The 5G of first or more array antenna group battle array applications communicates radiating element, and this is that those skilled in the art endeavour to be solved technology
Problem.
Invention content
In view of the foregoing deficiencies of prior art, in being suitable for the purpose of the present invention is to provide one kind, close coupling side
The 5G on boundary communicates the dual-polarization radiating unit of extensive Phalanx antenna array.
In order to achieve the above objects and other related objects, include radiation fin component, the first feed the present invention provides one kind
Balun, the second feed Balun and work(scoreboard, first feed Balun, the second feed Balun are orthogonal and are mounted on the work(scoreboard
On, the radiation fin component is located at first feed Balun, the second feed Balun top, and the radiation fin component includes radiation
Piece and medium carrier, the radiation fin are located at the front of medium carrier, and the reverse side of the medium carrier is equipped with directional diagram choke coil
With coupling minor matters, the radiation fin component, feed substrate, the connection of work(scoreboard electrical characteristic.
Preferably, medium carrier is PCB dielectric structures or air dielectric structure, and the front of the medium carrier is by two groups totally four
The radiation fin of metal material forms.
Preferably, the obverse and reverse sides of the radiation fin component do not have a specific front or back installation direction, i.e., front or
Reverse side can be towards the earth, also can be towards aerial.
Preferably, the radiation fin component is located at the first feed Balun, the second feed Balun top；First feed bar
Human relations, the second feed Balun feed radiation fin component by coupling excitation form.
Preferably, the directional diagram choke coil is regular polygon or the circular frame like structure for having one fixed width, the side
It is metal material to figure choke coil.
Preferably, the width of the directional diagram choke coil≤1/16 λ ε, λ ε is Antenna Operation frequency range centre frequency in medium
Wavelength.
Preferably, the metal radiation piece in radiation fin component front in the back side directional diagram choke coil and couple branch
Without metal conduction between section.
Preferably, first feed Balun and the second feed Balun are PCB materials, first feed Balun and second
Feed Balun and the work(scoreboard contact the tow sides of one end with being all designed with metal, and are connected by metallization VIA, side
Just radiating element carries out ground connection welding in the front or back of work(scoreboard.
Preferably, one end size that the gold first feed Balun is connect with the second feed Balun with radiation fin component
It is larger, it is easy to support secured, in the first feed Balun cross clamping groove being installed in work(scoreboard orthogonal with the second feed Balun.
This patent also discloses a kind of high-performance dual-polarization radiation unit isolation adjusting method, it is characterised in that：It should be every
Realize that the isolator radiates for adjacent metal by the isolator being arranged below metal radiation piece from degree adjusting method
The coupling minor matters occurred in pairs immediately below gap between piece offset IMC signal by coupling minor matters, and then improve dual polarization spoke
Penetrate the isolation between two orthogonal polarization of unit.
Preferably, the coupling minor matters of the isolator use in pairs, can be in the radiating element radiating surface level side
Upwards it is symmetrical or in the radiating element radiating surface vertical direction it is symmetrical or oscillator radiating surface level and hang down
Histogram is upward while symmetrical.
Preferably, the coupling minor matters of the isolator are metal material, and shape is rectangle, T-type, isosceles trapezoid, isosceles
The shapes such as triangle, wherein rectangle effect is preferable, and length is less than 1/4 λ ε（λ ε are Antenna Operation frequency range centre frequency in medium
Wavelength）The isolation between antenna polarization is adjusted by adjusting length, the width of rectangle.
As described above, the high-performance dual-polarization radiation unit has the advantages that：The art of this patent scheme by
Design direction figure choke coil, coupling minor matters below radiation fin, can effectively improve radiating element performance, make it have frequency band
The features such as width, high gain, polarization characteristic are good, isolation characteristic is good, small by edge effect, the invention also discloses a kind of double accordingly
Ultra-wideband antenna isolation adjusting method：By below radiation fin be arranged isolator be effectively improved polarization separation from
Degree.This patent is suitable for single array element or more array antenna group battle array applications, particularly suitable in, the big rule of the 5G on close coupling boundary communications
Mould Phalanx antenna array application.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention.
Fig. 2 is the three-dimensional assembly diagram of the embodiment of the present invention.
Fig. 3 a are the positive structural schematic diagram of radiation fin component of the embodiment of the present invention.
Fig. 3 b are the structural schematic diagram of radiation fin module backside of the embodiment of the present invention.
Fig. 4 a are the structural schematic diagram of one embodiment of directional diagram choke coil of the embodiment of the present invention（Regular quadrangle）.
Fig. 4 b are the structural schematic diagram of one embodiment of directional diagram choke coil of the embodiment of the present invention（Octagon）.
Fig. 4 c are the structural schematic diagram of one embodiment of directional diagram choke coil of the embodiment of the present invention（It is round）.
Fig. 5 a are the symmetrical schematic diagram of one embodiment horizontal direction that the embodiment of the present invention couples minor matters（Rectangle）.
Fig. 5 b are the symmetrical schematic diagram of one embodiment vertical direction that the embodiment of the present invention couples minor matters（Rectangle）.
Fig. 5 c be the embodiment of the present invention couple minor matters one embodiment it is horizontal the symmetrical schematic diagram of vertical direction（Square
Shape）.
Fig. 6 a are the symmetrical schematic diagram of one embodiment horizontal direction that the embodiment of the present invention couples minor matters（T shapes）.
Fig. 6 b are the symmetrical schematic diagram of one embodiment vertical direction that the embodiment of the present invention couples minor matters（T shapes）.
Fig. 6 c be the embodiment of the present invention couple minor matters one embodiment it is horizontal the symmetrical schematic diagram of vertical direction（T
Shape）.
Fig. 7 a are the symmetrical schematic diagram of one embodiment horizontal direction that the embodiment of the present invention couples minor matters（Triangle）.
Fig. 7 b are the symmetrical schematic diagram of one embodiment vertical direction that the embodiment of the present invention couples minor matters（Triangle）.
Fig. 7 c be the embodiment of the present invention couple minor matters one embodiment it is horizontal the symmetrical schematic diagram of vertical direction（Three
It is angular）.
Component label instructions：1, radiation fin component；10, metal radiation piece；11, medium carrier；12, directional diagram choke coil；
13, minor matters are coupled；14, minor matters are coupled；2, the first feed Balun；3, the second feed Balun；4, work(scoreboard；41, work(scoreboard cross
Card slot.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
It please refers to Fig.1 to Fig. 7.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, 2, the present invention provides a kind of dual-polarization radiating unit for 5G communications, which includes spoke
Piece component 1, the first feed Balun 2, the second feed Balun 3 and work(scoreboard 4 are penetrated, the first feed Balun 1, the second feed Balun 2 are just
It hands over and is mounted in the work(scoreboard cross clamping groove 41 of work(scoreboard 4, radiation fin component 1 is located at the first feed Balun 2, second feed bar
3 top of human relations, radiation fin component 1, the first feed Balun 2, the second feed Balun 3 and work(scoreboard 4 carry out electrical characteristic by welding
Connection.
First feed Balun 2, the second feed Balun 3 feed radiation fin component by coupling excitation form.First
Feed Balun 2 and the second feed Balun 3 are PCB materials, and the first feed Balun 2 contacts one with the second feed Balun 3 with work(scoreboard 3
The tow sides at end are all designed with Metal ground, and by metallization VIA conducting so that it is convenient to which radiating element is in work(scoreboard
Front or back carries out ground connection welding.One end ruler that first feed Balun 2 is connect with the second feed Balun 3 with radiation fin component 1
It is very little larger, it is easy to support secured.
As shown in Fig. 3 a, 3b, radiation fin component 1 includes medium carrier 11, and metal spoke is equipped in the front of medium carrier 11
Piece 10 is penetrated, is equipped with directional diagram choke coil 12 and coupling minor matters 13,14 in the reverse side of medium carrier 11, directional diagram choke coil 12 is used for
The consistency of constraint direction figure.Without metal conduction between metal radiation piece, directional diagram choke coil and coupling minor matters.Medium carrier 11
Pcb board medium or air dielectric structure may be used, wherein front is equipped with two groups of totally four metal radiation pieces 10.The radiation fin
The front and back of component 1 is without specific positive and negative installation direction, i.e., front can be towards the earth, also can be towards aerial, two kinds
In the case of using effect it is identical.
As shown in Fig. 4 a, 4b, 4c, the directional diagram choke coil 12 of 1 reverse side of radiation fin component is metal material, directional diagram chokes
Circle 12 width≤1/16 λ ε, λ ε be medium in Antenna Operation frequency range center frequency wavelength.The shape of directional diagram choke coil 12 can
Think positive square（Fig. 4 a）, regular polygon（Fig. 4 b）Or it is round（Fig. 4 c）, preferred embodiment is regular quadrangle, circle.
This patent also discloses a kind of high-performance dual-polarization radiation unit isolation adjusting method, the isolation adjusting method
Realized by the isolator that is arranged below metal radiation piece, isolator for adjacent metal radiation fin between gap underface at
To the coupling minor matters of appearance, IMC signal, and then two that raising dual-polarization radiating unit is orthogonal are offset by coupling minor matters
Isolation between polarization.
The coupling minor matters at 1 back side of radiation fin component are metal material, and coupling minor matters use in pairs, and the shape for coupling minor matters is
Rectangle.Coupling minor matters can be symmetrical in the radiating element radiating surface horizontal direction（Fig. 5 a）Or in the radiating element spoke
It penetrates symmetrical in the vertical direction of face（Fig. 5 b）Or in the both horizontally and vertically upper while symmetrical of oscillator radiating surface（Figure
5c）.As specific embodiments of the present invention, T-type can also be used by coupling the shape of minor matters（As shown in Fig. 6 a, 6b, 6c）, or adopt
Use isosceles triangle（As shown in Fig. 7 a, 7b, 7c）.
The art of this patent scheme can be carried effectively by the design direction figure choke coil below radiation fin, coupling minor matters
High radiating element performance, makes it have that bandwidth, high gain, polarization characteristic are good, isolation characteristic is good, by the spies such as edge effect is small
Point is suitable for single array element or more array antenna group battle array applications, particularly suitable in, the 5G on close coupling boundary communications it is extensive intensive
Array antenna group battle array application.This patent can apply to the height on coupling or close coupling radiation boundary in the extensive intensive group of battle array of 5G communications
Performance dual-polarization radiating unit, can in a limited space in and complicated radiation boundary condition under still have good circuit parameter
Characteristic and directional diagram radiation characteristic meet needs of the 5G communication systems to antenna performance.There is good consistency simultaneously, it is convenient
Mass operation and production.So the present invention effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (12)
1. a kind of high-performance dual-polarization radiation unit, including radiation fin component, the first feed Balun, the second feed Balun and work(point
Plate, first feed Balun, the second feed Balun are orthogonal and in the work(scoreboard, and the radiation fin component is located at institute
State the first feed Balun, the second feed Balun top, it is characterised in that：The radiation fin component includes that radiation fin and medium carry
Body, the radiation fin are located at the front of the medium carrier, and the reverse side of the medium carrier is equipped with directional diagram choke coil and coupling
Minor matters, the radiation fin component, feed substrate, the connection of work(scoreboard electrical characteristic.
2. a kind of high-performance dual-polarization radiation unit according to claim 1, it is characterised in that：The medium carrier is
The front of PCB dielectric structures or air dielectric structure, the medium carrier is made of totally the radiation fin of two groups of four metal materials.
3. a kind of high-performance dual-polarization radiation unit according to claim 1, it is characterised in that：The radiation fin component
Obverse and reverse sides do not have a specific front or back installation direction, i.e., front or back can be towards the earth, also can be towards aerial.
4. according to the high-performance dual-polarization radiation unit described in claim 1 and 2, it is characterised in that：Radiation fin component position
Above the first feed Balun, the second feed Balun；First feed Balun, the second feed Balun pass through coupling excitation form
Radiation fin component is fed.
5. a kind of high-performance dual-polarization radiation unit according to claim 1, it is characterised in that：The directional diagram choke coil
For regular polygon or the circular frame like structure for having one fixed width, the directional diagram choke coil is metal material.
6. a kind of high-performance dual-polarization radiation unit according to claim 4, it is characterised in that：The directional diagram choke coil
Width≤1/16 λ ε, λ ε be medium in Antenna Operation frequency range center frequency wavelength.
7. a kind of high-performance dual-polarization radiation unit according to claim 1, it is characterised in that：The radiation fin component is just
Metal radiation piece in face in the back side directional diagram choke coil and couple between minor matters without metal conduction.
8. according to the high-performance dual-polarization radiation unit described in claim 1 and 2, it is characterised in that：First feed Balun
It is PCB materials with the second feed Balun, first feed Balun contacts one end with the second feed Balun with the work(scoreboard
Tow sides with being all designed with metal, and are connected by metallization VIA.
9. according to the high-performance dual-polarization radiation unit described in claim 1 and 2, it is characterised in that：First feed Balun
It is larger with one end size that the second feed Balun is connect with radiation fin component, easy to support secured, the first feed Balun and second
In the orthogonal cross clamping groove being installed in work(scoreboard of feed Balun.
10. a kind of high-performance dual-polarization radiation unit isolation adjusting method, it is characterised in that：The isolation adjusting method passes through
The isolator that is arranged below metal radiation piece realizes, the isolator for adjacent metal radiation fin between gap underface at
To the coupling minor matters of appearance, IMC signal, and then two that raising dual-polarization radiating unit is orthogonal are offset by coupling minor matters
Isolation between polarization.
11. a kind of high-performance dual-polarization radiation unit isolation adjusting method according to claim 10, it is characterised in that：
The coupling minor matters of the isolator use in pairs, can be in the radiating element radiating surface horizontal direction it is symmetrical or
It is symmetrical or in the both horizontally and vertically upper while symmetrical of oscillator radiating surface in the radiating element radiating surface vertical direction
Distribution.
12. a kind of high-performance dual-polarization radiation unit isolation adjusting method according to claim 10, it is characterised in that：
The coupling minor matters of the isolator are metal material, and shape is the shapes such as rectangle, T-type, isosceles trapezoid, isosceles triangle,
Middle rectangle effect is preferable, and length is less than 1/4 λ ε（λ ε are Antenna Operation frequency range center frequency wavelength in medium）By adjusting square
The length of shape, width adjust the isolation between antenna polarization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810371642.0A CN108767452B (en) | 2018-04-24 | 2018-04-24 | High-performance dual-polarized radiation unit and isolation degree adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371642.0A CN108767452B (en) | 2018-04-24 | 2018-04-24 | High-performance dual-polarized radiation unit and isolation degree adjusting method |
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| CN108767452A true CN108767452A (en) | 2018-11-06 |
| CN108767452B CN108767452B (en) | 2024-02-27 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109411872A (en) * | 2018-12-08 | 2019-03-01 | 佛山市盛夫通信设备有限公司 | Minimize dual polarization wall aerial |
| CN110011027A (en) * | 2018-12-28 | 2019-07-12 | 瑞声科技(新加坡)有限公司 | A kind of antenna, aerial array and base station |
| CN110867646A (en) * | 2019-11-26 | 2020-03-06 | 武汉虹信通信技术有限责任公司 | Radiation unit and antenna |
| CN112448150A (en) * | 2020-11-10 | 2021-03-05 | 武汉虹信科技发展有限责任公司 | Radiation unit, antenna and antenna index optimization method |
| CN112531323A (en) * | 2019-09-19 | 2021-03-19 | 比亚迪股份有限公司 | Antenna |
| WO2021203939A1 (en) * | 2020-04-10 | 2021-10-14 | 华为技术有限公司 | Electronic device |
| CN114122691A (en) * | 2021-11-16 | 2022-03-01 | 中信科移动通信技术股份有限公司 | High-frequency radiating unit |
| 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 |
| CN114464990A (en) * | 2022-04-14 | 2022-05-10 | 佛山市粤海信通讯有限公司 | Dual-polarized antenna radiation unit with low profile and high isolation |
| CN114709603A (en) * | 2022-04-28 | 2022-07-05 | 摩比天线技术（深圳）有限公司 | Radiating element and antenna system |
| CN114730988A (en) * | 2020-12-24 | 2022-07-08 | 深圳市大疆创新科技有限公司 | Dual-polarized antenna assembly and single-hand-held control terminal |
| CN114824788A (en) * | 2022-05-12 | 2022-07-29 | 上海安费诺永亿通讯电子有限公司 | Vehicle-mounted antenna |
| CN115701674A (en) * | 2021-08-02 | 2023-02-10 | 普罗斯通信技术（苏州）有限公司 | Dual-polarized radiation unit for antenna, antenna and antenna system |
| WO2023078121A1 (en) * | 2021-11-03 | 2023-05-11 | 华为技术有限公司 | Antenna and base station device |
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