CN108987947A - A kind of 3D-MID technology array antenna - Google Patents
A kind of 3D-MID technology array antenna Download PDFInfo
- Publication number
- CN108987947A CN108987947A CN201810676982.4A CN201810676982A CN108987947A CN 108987947 A CN108987947 A CN 108987947A CN 201810676982 A CN201810676982 A CN 201810676982A CN 108987947 A CN108987947 A CN 108987947A
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- medium substrate
- antenna
- feeder line
- mid technology
- array antenna
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- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 claims description 33
- 230000003071 parasitic effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 239000011469 building brick Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- -1 301 Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- 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
- H01Q1/36—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
- H01Q1/48—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
- 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
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
-
- 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
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
-
- 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
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
-
- 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
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0093—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices having a fractal shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0075—Stripline fed arrays
Abstract
A kind of 3D-MID technology array antenna, including feeder line medium substrate, wherein a side surface is with being provided with metal for feeder line medium substrate, it is surrounded on the other side of feeder line medium substrate by isolating bar and forms several isolated areas in array distribution, antenna element is provided in isolated area, the isolating bar of two neighboring two antenna element is made of the negative metamaterial unit of magnetic, the negative metamaterial unit of magnetic is made of two square spiral resonator cascades, the negative metamaterial unit of magnetic of two square spiral resonator cascade compositions is placed between two adjacent antenna units, play isolating bar, isolation is improved while decoupling, the application is from containment mutual coupling angle, reach decoupling purpose by loading the negative metamaterial unit of magnetic between antenna element.
Description
Technical field
The present invention relates to mobile communication base station technical fields, more particularly, to a kind of 3D-MID technology array antenna.
Background technique
With the raising of integration level of electronic equipment, the volume of communication equipment is also smaller and smaller, and at this moment electronic building brick is for whole
A equipment just shows excessive, this just needs to reduce own dimensions.However, in the function and efficiency for not appreciably affecting electronic building brick
Reducing size simultaneously is a large order.Under this background, innovated by laser three-D precise machining process, realize with
3D-MID(Three-dimensional Molded Interconnect the Device of carrier homotype, three-dimensional interconnection mold device
Part) processing technology is most important.
In mimo antenna system, the interaction between antenna element is not avoided that, this often gives entire antenna
The performance of system brings certain influence, and special 5G communication uses Massive MIMO array antenna, and mutual coupling just becomes one
Have to the factor considered.
Summary of the invention
The purpose of the present invention is seriously affect antenna system for the presence of mutual coupling phenomenon in the existing mimo antenna system of solution
Performance the problem of, provide a kind of 3D-MID technology array antenna, the application is from containment mutual coupling angle, by antenna list
The negative metamaterial unit of magnetic is loaded between member reaches decoupling purpose.
The deficiency of the present invention to solve above-mentioned technical problem, used technical solution is:
A kind of 3D-MID technology array antenna, including feeder line medium substrate, a feeder line medium substrate wherein side surface
With being provided with metal, it is surrounded on the other side of feeder line medium substrate by isolating bar and forms several isolation in array distribution
Area is provided with antenna element in isolated area, and the isolating bar of two neighboring two antenna element is made of the negative metamaterial unit of magnetic, and magnetic is negative
Metamaterial unit is made of two square spiral resonator cascades, the negative Meta Materials of magnetic of two square spiral resonator cascade compositions
Unit is placed between two adjacent antenna units, plays isolating bar, improves isolation, antenna element while decoupling
Including two spaced oscillators and fed microstrip route, two 180 ° of oscillator phase phase differences, each oscillator includes four phases
Mutually cooperation interval is mounted on the radiation medium substrate of feeder line medium substrate, and two adjacent radiation medium substrate surfaces are mutual
Vertically, opposite two radiation medium substrate surfaces are parallel to each other, and each radiation medium substrate is close to radiation medium in parallel
It is provided with metal patch in the one side of substrate, includes four radiation medium substrates being parallel to each other in each antenna element, each
The radiation medium substrate being parallel to each other in oscillator is connect with the same fed microstrip route, phase in the oscillator of the same antenna element
The fed microstrip route mutually connected on two pairs of parallel radiation medium substrates is connect with the same power splitter.
The feeder line medium substrate is provided with several for fixed antenna cover far from the one side edge on metal ground
Antenna cover stent, antenna house are fixed on antenna cover stent by installing bolt.
Total mouth of the power splitter is using SMP connector and is welded on feeder line medium substrate, feeder line medium
1 on substrate drags total mouth on the microstrip-fed circuit of 2 power splitters using SMP connector, and whole system only has the joint SMP to need to weld
It connects.
The dielectric constant of the feeder line medium substrate and radiation medium substrate is 2-5.
The dielectric constant of the feeder line medium substrate and radiation medium substrate is 3.
The oscillator top is fixed with parasitic element, improves the bandwidth of antenna.
The parasitic element is made of square metal piece.
The antenna element upper cover is equipped with antenna house, and antenna house, which is located on the inner wall right above oscillator, is provided with frequency choosing
Select surface.
The frequency-selective surfaces include the elliptical ring of large circle and two intersections, and the elliptical ring of two intersections is nested in
In large circle, so that antenna gain and directionality are improved, so circuit is added in antenna house lower surface, by frequency-selective surfaces
(Frequency Selective Surfaces, FSS) is placed in antenna element radiation direction, as antenna cover or
Referred to as coating.The electromagnetic wave that antenna element gives off multiple reflections between FSS and ground, i.e., on FSS between each unit
It carries out width mutually to weight, to increase swept area, is equivalent to and increases antenna aperture area, to increase the gain of antenna
With directionality, the performance of antenna is improved.
The metal patch and fed microstrip route are integrated molding structures, and when assembling does not have to welding.Of the invention
Beneficial effect is: this antenna element is polarized by mutually matched Harmonic Oscillators ± 45 °, negative super using magnetic between adjacent antenna units
Material reaches decoupling purpose as isolating bar, while improving isolation between antennas.
The bandwidth of antenna can be improved in antenna in the application after increasing parasitic element, while antenna house is selected using frequency
Surface is selected, the directionality and gain of antenna are improved.
Detailed description of the invention
Fig. 1 is the middle antenna unit array status diagram of the application.
Fig. 2 is the stereoscopic schematic diagram of Fig. 1 in the application.
Fig. 3 is the back schematic diagram of Fig. 1 in the application.
Fig. 4 is the structure diagram of antenna in the application.
Fig. 5 is the partial enlargement diagram of antenna element in Fig. 4 in the application.
Fig. 6 is the structural schematic diagram of the negative metamaterial unit of magnetic in the application.
Fig. 7 is the structural schematic diagram that antenna installs parasitic element in the application.
Fig. 8 is the structural schematic diagram that antenna Mounting frequency selects surface in the application.
Fig. 9 is the structural schematic diagram of frequency-selective surfaces in the application.
Diagram label: 1, isolating bar, 2, isolated area, 3, feeder line medium substrate, 301, metal, 302, fed microstrip
Route, 4, oscillator, 401, radiation medium substrate, 5, antenna cover stent, 6, the negative metamaterial unit of magnetic, 601, two square spirals are humorous
Shake device, 7, power splitter, 8, parasitic element, 9, frequency-selective surfaces, the elliptical ring of 901, two intersections, 902, large circle.
Specific embodiment
As shown in the figure, specific embodiment is as follows:
A kind of 3D-MID technology array antenna, including feeder line medium substrate 3, the wherein side table of feeder line medium substrate 3
Face with being provided with metal 301, metal 301 setting can replace the metallic reflection plate in conventional antenna array, reduce day
The quantity of linear array components, and the volume and weight of aerial array is greatly reduced, while ensure that electric property is reliable, it presents
It is surrounded on the other side of electric line medium substrate 3 by isolating bar 1 and forms several isolated areas 2 in array distribution, in isolated area 2
It is provided with antenna element, the isolating bar of two neighboring two antenna element is made of the negative metamaterial unit 6 of magnetic, the negative metamaterial unit of magnetic
6 are made of two cascades of square spiral resonator 601, the negative Meta Materials list of magnetic of two cascade compositions of square spiral resonator 601
Member 6 is placed between two adjacent antenna units, plays isolating bar, improves isolation while decoupling, while can be with
It is best in the negative metamaterial unit isolation effect of magnetic that the edge of antenna element also increases by two square spiral resonator cascade compositions,
But relative cost is also higher, needs to be selected according to real work situation, is not affected situation in perimeter antenna unit
Under, as far as possible without using the negative metamaterial unit of magnetic of two square spiral resonator cascade compositions, to reduce cost antenna unit packet
Two spaced oscillators 4 and fed microstrip route 302, two 180 ° of 4 phase phase differences of oscillator are included, each oscillator 4 includes four
A interval that cooperates is mounted on the radiation medium substrate 401 of feeder line medium substrate 3, and each radiation medium substrate 401 is pressed
Central point carries out rotation adjustment, is finally reached two adjacent 401 plate faces of radiation medium substrate and is mutually perpendicular to, opposite two radiation
401 plate face of medium substrate is parallel to each other, each radiation medium substrate 401 close to radiation medium substrate 401 in parallel one
Metal patch is provided on face, copper is not covered in another side surface；It include four radiation mediums being parallel to each other in each antenna element
Substrate 401, the radiation medium substrate 401 being parallel to each other in each oscillator is connect with the same fed microstrip route 302, same
The fed microstrip route 302 connected on two pairs of radiation medium substrates 401 being parallel to each other in the oscillator of antenna element with it is same
Power splitter 7 connects.
The feeder line medium substrate 3 is provided with several for fixed antenna cover far from the one side edge on metal ground
Antenna cover stent 5, antenna house are fixed on antenna cover stent 5 by installing bolt, in attached drawing and are not drawn into antenna in the application
Cover.
Total mouth of the power splitter 7 is using SMP connector and is welded on feeder line medium substrate, feeder line medium
Total mouth on the microstrip-fed circuit of one drag two power splitter on substrate 3 uses SMP connector, and whole system only has the joint SMP to need
It welds.
The dielectric constant of the feeder line medium substrate 3 and radiation medium substrate 401 is 2-5.
The dielectric constant optimal selection of the feeder line medium substrate 3 and radiation medium substrate 401 is 3.
4 top of oscillator is fixed with parasitic element 8, improves the bandwidth of antenna.
The parasitic element 8 is made of square metal piece.
The antenna element upper cover is equipped with antenna house, and antenna house, which is located on the inner wall right above oscillator, is provided with frequency choosing
Select surface 9.
The frequency-selective surfaces 9 include the elliptical ring 901 of large circle 902 and two intersections, the ellipse of two intersections
Ring 901 is nested in large circle 902, so that antenna gain and directionality are improved, so circuit is added in antenna house lower surface, and it will
Frequency-selective surfaces (Frequency Selective Surfaces, FSS) are placed in antenna element radiation direction, as day
The cover of line or referred to as coating.The electromagnetic wave that antenna element gives off multiple reflections between FSS and ground, i.e., in FSS
Width is carried out between upper each unit mutually to weight, to increase swept area, is equivalent to and is increased antenna aperture area, to increase
The gain and directionality of antenna, improves the performance of antenna.
The metal patch and fed microstrip route are integrated molding structures, and when assembling does not have to welding.Institute of the present invention
The technical solution and embodiment enumerated and non-limiting, be equal with technical solution cited by the present invention and embodiment or
Effect same approach is all in the range of the present invention is protected.
Claims (10)
1. a kind of 3D-MID technology array antenna, including feeder line medium substrate, feeder line medium substrate wherein side table
Face with being provided with metal, on the other side of feeder line medium substrate surrounded by isolating bar formed it is several in array distribution every
From area, antenna element is provided in isolated area, it is characterised in that: the isolating bar of two neighboring two antenna element is by the negative Meta Materials of magnetic
Unit composition, the negative metamaterial unit of magnetic are made of two square spiral resonator cascades, and antenna element includes two interval settings
Oscillator and fed microstrip route, two 180 ° of oscillator phase phase differences, each oscillator includes that four mutual cooperation are spaced and are mounted on
The radiation medium substrate of feeder line medium substrate, two adjacent radiation medium substrate surfaces are mutually perpendicular to, opposite two spokes
It penetrates medium substrate plate face to be parallel to each other, each radiation medium substrate is arranged in the one side of radiation medium substrate in parallel
There is metal patch, includes four radiation medium substrates being parallel to each other in each antenna element, be parallel to each other in each oscillator
Radiation medium substrate is connect with the same fed microstrip route, two to be parallel to each other in the oscillator of the same antenna element couple radiation
The fed microstrip route connected on medium substrate is connect with the same power splitter,.
2. a kind of 3D-MID technology array antenna according to claim 1, it is characterised in that: the feeder line medium
Substrate is provided with several antenna cover stents for fixed antenna cover far from the one side edge on metal ground, and antenna house passes through installation spiral shell
Bolt is fixed on antenna cover stent.
3. a kind of 3D-MID technology array antenna according to claim 1, it is characterised in that: total mouth of the power splitter
Using SMP connector and it is welded on feeder line medium substrate.
4. a kind of 3D-MID technology array antenna according to claim 1, it is characterised in that: the feeder line medium
The dielectric constant of substrate and radiation medium substrate is 2-5.
5. a kind of 3D-MID technology array antenna according to claim 4, it is characterised in that: the feeder line medium
The dielectric constant of substrate and radiation medium substrate is 3.
6. a kind of 3D-MID technology array antenna described in -5 any one according to claim 1, it is characterised in that: the vibration
Sub- top is fixed with parasitic element.
7. a kind of 3D-MID technology array antenna according to claim 6, it is characterised in that: the parasitic element is by side
Shape sheet metal is constituted.
8. a kind of 3D-MID technology array antenna described in -5 or 7 any one according to claim 1, it is characterised in that: described
Antenna element upper cover be equipped with antenna house, antenna house, which is located on the inner wall right above oscillator, is provided with frequency-selective surfaces.
9. a kind of 3D-MID technology array antenna according to claim 8, it is characterised in that: the frequency-selective surfaces
Including large circle and two elliptical rings intersected, the elliptical ring of two intersections is nested in large circle.
10. a kind of 3D-MID technology array antenna according to claim 1, it is characterised in that: the metal patch with
Fed microstrip route is integrated molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676982.4A CN108987947B (en) | 2018-06-27 | 2018-06-27 | 3D-MID technology array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676982.4A CN108987947B (en) | 2018-06-27 | 2018-06-27 | 3D-MID technology array antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108987947A true CN108987947A (en) | 2018-12-11 |
| CN108987947B CN108987947B (en) | 2024-04-16 |
Family
ID=64539144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810676982.4A Active CN108987947B (en) | 2018-06-27 | 2018-06-27 | 3D-MID technology array antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165397A (en) * | 2019-05-22 | 2019-08-23 | 广东通宇通讯股份有限公司 | A kind of plastic electroplating Massive MIMO antenna |
| CN112467368A (en) * | 2020-11-10 | 2021-03-09 | 武汉虹信科技发展有限责任公司 | Vibrator power division module and Massive MIMO antenna |
| WO2021168846A1 (en) * | 2020-02-28 | 2021-09-02 | 华为技术有限公司 | Radome and detection device |
| WO2022000812A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Antenna array |
| WO2022000622A1 (en) * | 2020-07-01 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Isolation plate structure, antenna array, and base station |
| CN114843760A (en) * | 2022-04-12 | 2022-08-02 | 上海大学 | 5G dual-frequency high-isolation MIMO antenna based on metamaterial |
| WO2023030342A1 (en) * | 2021-09-06 | 2023-03-09 | 中兴通讯股份有限公司 | Antenna element and antenna array |
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| CN107785661A (en) * | 2017-10-18 | 2018-03-09 | 哈尔滨工程大学 | A kind of uncoupling array antenna based on double frequency Meta Materials |
| CN208570945U (en) * | 2018-06-27 | 2019-03-01 | 广东通宇通讯股份有限公司 | A kind of 3D-MID technology array antenna |
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| US20100000088A1 (en) * | 2008-07-04 | 2010-01-07 | Thales Nederland B.V. | Method for making a three-dimensional multi-layered interconnect device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165397A (en) * | 2019-05-22 | 2019-08-23 | 广东通宇通讯股份有限公司 | A kind of plastic electroplating Massive MIMO antenna |
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| CN112467368A (en) * | 2020-11-10 | 2021-03-09 | 武汉虹信科技发展有限责任公司 | Vibrator power division module and Massive MIMO antenna |
| WO2023030342A1 (en) * | 2021-09-06 | 2023-03-09 | 中兴通讯股份有限公司 | Antenna element and antenna array |
| CN114843760A (en) * | 2022-04-12 | 2022-08-02 | 上海大学 | 5G dual-frequency high-isolation MIMO antenna based on metamaterial |
| CN114843760B (en) * | 2022-04-12 | 2023-08-22 | 上海大学 | 5G dual-frequency high-isolation MIMO antenna based on metamaterial |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108987947B (en) | 2024-04-16 |
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