CN110165400A - Integral substrate gap waveguide feed gaps couple super surface linear polarized antenna - Google Patents
Integral substrate gap waveguide feed gaps couple super surface linear polarized antenna Download PDFInfo
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- CN110165400A CN110165400A CN201910485878.1A CN201910485878A CN110165400A CN 110165400 A CN110165400 A CN 110165400A CN 201910485878 A CN201910485878 A CN 201910485878A CN 110165400 A CN110165400 A CN 110165400A
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- 239000000758 substrate Substances 0.000 title claims abstract description 39
- 230000000737 periodic effect Effects 0.000 claims abstract description 10
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- 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
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- Waveguide Aerials (AREA)
Abstract
The invention discloses integral substrate gap waveguide feed gaps to couple super surface linear polarized antenna, is constituted using four layers of dielectric-slab.There is the square patch of periodic arrangement in first medium plate upper surface, forms super surface emissivity structure；There is the first copper-clad in second medium plate upper surface, and lower surface printed microstrip feeder line forms class waveguiding structure transmission energy by the rectangular aperture etched on the first copper-clad and couples square patch for energy；Third dielectric-slab is blank medium plate, for separating second medium plate and the 4th dielectric-slab；4th dielectric-slab upper surface is printed with circular patch, beats metallic vias thereon, and lower surface is the second copper-clad, collectively constitutes mushroom electromagnetic bandgap structure, increases the shielding of circuit.Integral substrate gap waveguide feed gaps of the present invention, which couple super surface linear polarized antenna, has the features such as low section, wide bandwidth, high-gain, easy processing, can serve as 5G millimeter wave antenna.
Description
Technical field
The present invention relates to a kind of wireless communication millimeter wave antennas, more particularly to integral substrate gap waveguide feed gaps coupling
Close super surface linear polarized antenna.
Background technique
With the development of communication system, people require to be continuously improved to the device frequency of microwave and millimeter wave frequency range, and tradition is micro-
When strip line structure is applied to upper frequency, biggish loss and leakage can be generated.
Integral substrate gap waveguide can preferably solve the above problems.The structure is based on multi-layer PCB technology, by microstrip line
It is encapsulated in electromagnetic bandgap structure, improves feeding network shielding.In recent years, super surface texture is used for Antenna Design, can
Improve the performance of antenna various aspects, such as spread bandwidth, raising gain, improvement directional diagram, has a good application prospect.
The present invention combines integral substrate gap waveguide and super surface texture for the first time, devises integral substrate gap waveguide feed
The super surface linear polarized antenna of slot-coupled, with integral substrate gap waveguide customer service conventional microstrip cable architecture millimeter wave frequency band office
It is sex-limited, good antenna performance is realized with super surface texture.
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, providing integral substrate gap waveguide feed gaps
Super surface linear polarized antenna is coupled, solves the problems such as existing millimeter wave antenna narrower bandwidth, gain is lower, leakage is serious,
And radio frequency, microwave and millimeter wave frequency band can be applied the present invention to.
The technical solution adopted by the invention is as follows:
Integral substrate gap waveguide feed gaps couple super surface linear polarized antenna, including aerial radiation structure, integrated base
Piece gap waveguide structure, the aerial radiation structure, integral substrate gap waveguide structure are arranged successively overlapping from top to bottom；It is integrated
Substrate gap waveguiding structure includes electromagnetic bandgap structure and for the class waveguide feed structure to aerial radiation structural transmission energy；
The class waveguide feed structure includes second medium plate, and the upper surface of second medium plate is laid with the first copper-clad, and described first
Etching has the gap in the middle part of copper-clad；The lower surface of the second medium plate is provided with microstrip feed line, and the microstrip feed line is from second
One end of dielectric-slab extends to the middle part of second medium plate and crosses gap.
Further, the invention also discloses integral substrate gap waveguide feed gaps to couple super surface linear polarized antenna
Preferred structure, the gap are rectangular aperture, and rectangular aperture etches in the middle part of the first copper-clad；The microstrip feed line fully passes over
Rectangular aperture.
Further, the aerial radiation structure is super surface texture, and aerial radiation structure includes first medium plate, first
The upper surface of dielectric-slab is provided with the square patch of periodic arrangement, the lower surface of the first medium plate and the first copper-clad phase
Even, the microstrip feed line provides energy to aerial radiation structure by the rectangular aperture on the first copper-clad.
Further, it is provided with third dielectric-slab between the class waveguide feed structure and electromagnetic bandgap structure, described
Class waveguide feed structure is isolated by three dielectric-slabs with electromagnetic bandgap structure；Third dielectric-slab upper surface is connected with microstrip feed line.
Further, the electromagnetic bandgap structure includes the 4th dielectric-slab, and the lower surface of the 4th dielectric-slab is provided with
Second copper-clad；The upper surface of 4th dielectric-slab be provided be printed with circular patch described in the circular patch of periodic arrangement with
It is provided with through-hole on the 4th dielectric-slab between second copper-clad, the center of circle of the axis of through-hole and circular patch is on the same line.
Further, sheet metal being provided on the side wall of the through-hole and forming metallic vias, metallic vias is applied second
Layers of copper is connected with circular patch.
Further, the metallic vias and the 4th of the 4th dielectric-slab upper surface is printed circular patch, periodic arrangement
Second copper-clad of dielectric-slab lower surface collectively forms mushroom electromagnetic bandgap structure；4th dielectric-slab can prevent by copper-clad and
The energy of microstrip feed line conveying leaks.
Further, the first medium plate, second medium plate, third dielectric-slab use dielectric constant for 2.2, loss angle
0.0009 material is just being cut to be made；4th dielectric-slab uses the material that dielectric constant is 0.02 for 4.4, loss angle tangent
It is made；The overall size of the antenna is 12mm*12mm*0.1.362mm.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. integral substrate gap waveguide feed gaps of the present invention couple super surface linear polarized antenna, by introducing integral substrate
Gap integral substrate gap waveguide structure, improves the transfer of energy properties of millimeter wave frequency band, by introducing super surface texture, changes
It has been apt to the radiance of antenna；
2. greatly reducing the thickness of antenna by the way that antenna to be integrated on substrate, the gain of antenna is improved, is improved
The broadband of antenna.
Detailed description of the invention
Fig. 1 is that integral substrate gap waveguide feed gaps of the present invention couple super surface line polarized antenna set schematic diagram；
Fig. 2 is the return loss and increasing that integral substrate gap waveguide feed gaps of the present invention couple super surface linear polarized antenna
Beneficial simulation result；
Fig. 3 is the directional diagram that integral substrate gap waveguide feed gaps of the present invention couple super surface linear polarized antenna.
Marked in the figure: 1 is first medium plate, 2 be second medium plate, and 3 be third dielectric-slab, and 4 be the 4th dielectric-slab, and 5 are
Square patch, 6 be rectangular aperture, and 7 be the first copper-clad, and 8 be microstrip feed line, and 9 be circular patch, and 10 be metallic vias, and 11 are
Second copper-clad.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, the present invention includes first medium plate 1, second medium plate 2, third dielectric-slab 3, the 4th dielectric-slab 4；
The first medium plate 1, second medium plate 2, third dielectric-slab 3, the 4th dielectric-slab 4 press together, and form an entirety.
ISGW substrate integrates gap waveguide, is the abbreviation of (Substrate Integrated Gap Waveguide, SIGW).
There is the square patch 5 of periodic arrangement in 1 upper surface of first medium plate, as irradiation structure, 2 upper surface of second medium plate
There are the first copper-clad 7, the ground as antenna.
Integral substrate gap waveguide structure is made of second medium plate 2, third dielectric-slab 3, the 4th dielectric-slab 4；Second is situated between
There are the first copper-clad 7,2 lower surface printed microstrip feeder line 8 of second medium plate in 2 upper surface of scutum；It is etched on first copper-clad 7
Rectangular aperture 6；Third dielectric-slab 3 is blank medium plate, for separating second medium plate 2 and the 4th dielectric-slab 4；4th dielectric-slab
4 upper surfaces are printed with the circular patch 9 of periodic arrangement, and the metallic vias 10 of periodic arrangement, lower surface are provided on the 4th dielectric-slab 4
For the second copper-clad 11.
There is the first copper-clad 7 in 2 upper surface of second medium plate, the lower surface printed microstrip feeder line 8 of second medium plate 2, and second
Dielectric-slab 2, the first copper-clad 7, microstrip feed line 8 collectively form class waveguiding structure, transmit energy.
Period circular patch 9,10 and of period metallic vias on the 4th dielectric-slab 4 of 4th dielectric-slab, 4 upper surface printing
The second copper-clad of lower surface 11 collectively forms mushroom electromagnetic bandgap structure, and the 4th dielectric-slab 4 of monolith is equivalent to perfect magnetic conductor,
It can prevent the energy conveyed by the first copper-clad 7 and microstrip feed line 8 from leaking.
4th dielectric-slab, 4 upper surface is printed with circular patch 9, beats metallic vias 10, circular patch 9 and metal mistake thereon
Hole 10 correspond and with one heart.
Rectangular aperture 6 is etched on first copper-clad 7,8 end of microstrip feed line passes through rectangle only slight beyond rectangular aperture 6
Gap 6 is fed to the square patch 5 of 1 upper surface of first medium plate.
In integral substrate gap waveguide structure, in order to make the work of mushroom electromagnetic bandgap structure in required frequency band, need
It chooses the size of circular patch 9 and metallic vias 10 properly to determine the stopband of mushroom electromagnetic bandgap structure, makes itself and antenna
Working band coincide.
Integral substrate gap waveguide feed gaps of the present invention couple super surface linear polarized antenna, by introducing between integral substrate
Gap waveguiding structure improves the transfer of energy properties of millimeter wave frequency band, by introducing super surface texture, improves the radiation of antenna
Performance.
Embodiment 2:
Described in embodiment 1 as above, first medium plate 1, second medium plate 2, third dielectric-slab 3 use dielectric constant for 2.2,
Loss angle tangent is made of 0.0009 material；It for 4.4, loss angle tangent is 0.02 that 4th dielectric-slab 4, which uses dielectric constant,
Material is made.The overall size of the antenna is 12mm*12mm*0.1.362mm.
Attached return loss shown in Fig. 2 and gain simulation result show integral substrate gap waveguide feed gaps of the present invention
Coupling super surface linear polarized antenna centre frequency 28.34GHz, -10dB impedance bandwidth is 24.80GHz-31.87GHz, absolute band
Wide 7.07GHz, relative bandwidth 25.0% reach 8.4dBi-11.4dBi with interior gain.
It as shown in Fig. 3, is the directional diagram of antenna, by directional diagram it is found that being presented perpendicular to first medium plate 1 and with micro-strip
For the electromagnetic radiation intensity in the parallel face E of line 8 at 0 ° of direction, radiation intensity has reached maximum；Perpendicular to first medium plate 1,
And the electromagnetic radiation intensity in the H face parallel with rectangular aperture 6, at 0 ° of direction, radiation intensity has reached maximum.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. integral substrate gap waveguide feed gaps couple super surface linear polarized antenna, it is characterised in that: including aerial radiation knot
Structure, integral substrate gap waveguide structure, the aerial radiation structure, integral substrate gap waveguide structure are arranged successively from top to bottom
Overlapping；Integral substrate gap waveguide structure includes electromagnetic bandgap structure and for the class waveguide to aerial radiation structural transmission energy
Feed structure；The class waveguide feed structure includes second medium plate (2), and the upper surface of second medium plate (2) is laid with first
Copper-clad (7), the first copper-clad (7) middle part etching have the gap；The lower surface of the second medium plate (2) is provided with micro-strip
Feeder line (8), the microstrip feed line (8) extend from one end of second medium plate (2) to the middle part of second medium plate (2) and cross seam
Gap.
2. integral substrate gap waveguide feed gaps as described in claim 1 couple super surface linear polarized antenna, feature exists
In: the gap is rectangular aperture (6), and rectangular aperture (6) etching is in the middle part of the first copper-clad (7)；The microstrip feed line (8) is complete
Cross rectangular aperture (6) entirely.
3. integral substrate gap waveguide feed gaps as claimed in claim 1 or 2 couple super surface linear polarized antenna, feature
Be: the aerial radiation structure is super surface texture, and aerial radiation structure includes first medium plate (1), first medium plate (1)
Upper surface be provided with the square patch (5) of periodic arrangement, the lower surface and the first copper-clad (7) of the first medium plate (1)
It is connected, the microstrip feed line (8) provides energy to aerial radiation structure by the rectangular aperture (6) on the first copper-clad (7).
4. integral substrate gap waveguide feed gaps as claimed in claim 3 couple super surface linear polarized antenna, feature exists
In: it is provided between the class waveguide feed structure and electromagnetic bandgap structure third dielectric-slab (3), the third dielectric-slab (3)
Class waveguide feed structure is isolated with electromagnetic bandgap structure；Third dielectric-slab (3) upper surface is connected with microstrip feed line (8).
5. integral substrate gap waveguide feed gaps as claimed in claim 4 couple super surface linear polarized antenna, feature exists
In: the electromagnetic bandgap structure includes the 4th dielectric-slab (4), and the lower surface of the 4th dielectric-slab (4) is provided with the second deposited copper
Layer (11)；The upper surface of 4th dielectric-slab (4) is provided with circular patch (9) the described circular patch for being printed with periodic arrangement
(9) through-hole, the axis of through-hole and the circle of circular patch (9) are provided on the 4th dielectric-slab (4) between the second copper-clad (11)
The heart is on the same line.
6. integral substrate gap waveguide feed gaps as claimed in claim 5 couple super surface linear polarized antenna, feature exists
In: it is provided with sheet metal on the side wall of the through-hole and is formed metallic vias (10), metallic vias (10) is by the second copper-clad
(11) it is connected with circular patch (9).
7. integral substrate gap waveguide feed gaps as claimed in claim 6 couple super surface linear polarized antenna, feature exists
In: the metallic vias (10) and the 4th medium of circular patch (9), periodic arrangement that the 4th dielectric-slab (4) upper surface is printed
Second copper-clad (11) of plate (4) lower surface collectively forms mushroom electromagnetic bandgap structure；4th dielectric-slab (4) can be prevented by applying
Layers of copper (7) and the energy of microstrip feed line (8) conveying leak.
8. claim 4-7 wherein as described in integral substrate gap waveguide feed gaps couple super surface linear polarized antenna,
It is characterized by: the first medium plate (1), second medium plate (2), third dielectric-slab (3) use dielectric constant for 2.2, damage
The material that consumption angle is just being cut to 0.0009 is made；4th dielectric-slab (4) uses the dielectric constant to be for 4.4, loss angle tangent
0.02 material is made；The overall size of the antenna is 12mm*12mm*0.1.362mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910485878.1A CN110165400A (en) | 2019-06-05 | 2019-06-05 | Integral substrate gap waveguide feed gaps couple super surface linear polarized antenna |
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| CN201910485878.1A CN110165400A (en) | 2019-06-05 | 2019-06-05 | Integral substrate gap waveguide feed gaps couple super surface linear polarized antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178669A (en) * | 2021-05-13 | 2021-07-27 | 云南大学 | 5G millimeter wave band-pass filter based on integrated substrate gap waveguide |
| CN113224515A (en) * | 2020-01-21 | 2021-08-06 | 大唐移动通信设备有限公司 | Antenna device and base station equipment |
| CN113644444A (en) * | 2021-07-11 | 2021-11-12 | 南京理工大学 | Broadband millimeter wave super-surface antenna |
| CN113904119A (en) * | 2021-09-30 | 2022-01-07 | 南京邮电大学 | Miniaturized SIW back cavity slot antenna based on super surface unit |
| CN113964495A (en) * | 2021-10-22 | 2022-01-21 | 云南大学 | Integrated substrate gap waveguide filter antenna |
| CN115777161A (en) * | 2020-06-09 | 2023-03-10 | 梅塔苏姆公司 | Multilayer waveguide with a supersurface, arrangement and production method thereof |
| CN115986347A (en) * | 2022-11-23 | 2023-04-18 | 中山大学 | Double-frequency semi-closed super-surface cavity filter and transmission zero control method |
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| CN210272669U (en) * | 2019-06-05 | 2020-04-07 | 云南大学 | ISGW feed gap coupling super-surface linear polarization antenna |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224515A (en) * | 2020-01-21 | 2021-08-06 | 大唐移动通信设备有限公司 | Antenna device and base station equipment |
| CN115777161A (en) * | 2020-06-09 | 2023-03-10 | 梅塔苏姆公司 | Multilayer waveguide with a supersurface, arrangement and production method thereof |
| CN113178669A (en) * | 2021-05-13 | 2021-07-27 | 云南大学 | 5G millimeter wave band-pass filter based on integrated substrate gap waveguide |
| CN113644444A (en) * | 2021-07-11 | 2021-11-12 | 南京理工大学 | Broadband millimeter wave super-surface antenna |
| CN113904119A (en) * | 2021-09-30 | 2022-01-07 | 南京邮电大学 | Miniaturized SIW back cavity slot antenna based on super surface unit |
| CN113904119B (en) * | 2021-09-30 | 2024-03-15 | 南京邮电大学 | Miniature SIW back cavity slot antenna based on super surface unit |
| CN113964495A (en) * | 2021-10-22 | 2022-01-21 | 云南大学 | Integrated substrate gap waveguide filter antenna |
| CN113964495B (en) * | 2021-10-22 | 2023-12-05 | 云南大学 | Integrated substrate gap waveguide filter antenna |
| CN115986347A (en) * | 2022-11-23 | 2023-04-18 | 中山大学 | Double-frequency semi-closed super-surface cavity filter and transmission zero control method |
| CN115986347B (en) * | 2022-11-23 | 2023-09-15 | 中山大学 | Dual-frequency semi-closed super-surface cavity filter and transmission zero control method |
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