CN107946752A - A kind of substrate integrates gap waveguide electromagnetic dipole antenna - Google Patents
A kind of substrate integrates gap waveguide electromagnetic dipole antenna Download PDFInfo
- Publication number
- CN107946752A CN107946752A CN201710950181.8A CN201710950181A CN107946752A CN 107946752 A CN107946752 A CN 107946752A CN 201710950181 A CN201710950181 A CN 201710950181A CN 107946752 A CN107946752 A CN 107946752A
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- dielectric
- slab
- gap waveguide
- dipole antenna
- substrate
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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
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
Abstract
A kind of substrate of the present invention integrates gap waveguide electromagnetic dipole antenna, and the primary structure of gap waveguide antenna is integrated using three pieces of dielectric-slabs composition substrates；Dielectric-slab（1）On be printed with the electric dipole that a pair of of rectangular patch forms and the magnetic dipole that two metallic vias are formed, two coplanar striplines are connected by being used as the metallic vias of magnetic dipole with the electric dipole that rectangular patch is formed respectively, for electromagnetic dipole antenna feed.Dielectric-slab（3）On have mushroom electro-magnetic bandgap（EBG）Array of structures, makes to produce EBG effects between three layers of dielectric-slab, increases circuits mask.Dielectric-slab（2）Spacer medium plate（1）And dielectric-slab（3）.A kind of substrate of the present invention, which integrates gap waveguide electromagnetic dipole antenna, has section low, is easily integrated interconnection, easy processing, broader bandwidth, and the advantages that high gain, can be used as 5G millimeter wave antennas.
Description
Technical field
The invention belongs to wireless communication millimeter wave antenna, is related to the substrate based on PCB and integrates gap waveguide electromagnetic dipole
Antenna.
Background technology
Electromagnetic dipole antenna due to its similar directional diagram, wide bandwidth, stablize high-gain the advantages that be widely used in
In antenna for base station.But in face of next generation communication system（5G）Millimere-wave band use, traditional electromagnetic dipole antenna exist
Some problems, such as the structure of simple metal are difficult to manufacture in millimere-wave band, and the mode of Coaxial-line Probe Exciting is difficult to and other planes
Circuit interconnection is integrated, and traditional quarter-wave highly causes section to be limited.
Multi-layer PCB technology is made to solve the problem of electromagnetic dipole manufacture is difficult, but such electromagnetic dipole antenna
Need that coaxial fitting is installed to encourage in lower section, thus section is very high and is unfavorable for integrating；Integrated to solve antenna with circuit
The problem of, the feeding classification of aperture-coupled mode is suggested.Generally used using the electromagnetic dipole antenna of aperture-coupled feed
A rectangular aperture is opened on the closing transmission line such as substrate integration wave-guide, electromagnetic dipole antenna is placed above rectangular aperture,
By aperture by couple electromagnetic energy to antenna.But the radiator and feeding network of the antenna of aperture-coupled mode are point
Leave, the section that this again results in antenna is excessive.In conclusion reducing section, the collection of antenna and other circuit systems is realized
Into being millimeter wave electromagnetic dipole Antenna Design problem to be solved.
Recently, a kind of substrate that is known as integrates gap waveguide（SIGW）Novel transmission line be suggested, the transmission line be based on it is more
Layer PCB is realized.SIGW can greatly improve feeding network since internal microstrip line is encapsulated among electromagnetic bandgap structure
Shielding；Secondly, the sandwich construction of SIGW is had benefited from, antenna can be designed into inside it, rather than by coupled outside be it
Feed, this is by realize that low section, the target easily interconnected provide very big help.
The present invention devises the electromagnetic dipole antenna that a kind of substrate integrates gap waveguide, for solving existing be based on
The electromagnetic dipole antenna sections of PCB Technology designs is high, not interconnection easy of integration the shortcomings that.
Present invention, by literature search, has no the open report identical with the present invention.
The content of the invention
It is existing to overcome the purpose of the present invention is to propose to the electromagnetic dipole antenna that a kind of substrate integrates gap waveguide
Electromagnetic dipole antenna section height, high processing costs, it is not easy of integration the shortcomings of, can apply to 5G millimeter wave bands.
The electromagnetic dipole antenna that a kind of substrate of the present invention integrates gap waveguide is as shown in Figure 1, it is characterised in that bag
Include：Dielectric-slab（1）, dielectric-slab（2）, dielectric-slab（3）；Dielectric-slab（1）On copper-clad（4）, square bore（5）, rectangular patch
（6、7）, fan-shaped balun（12）；Coplanar striplines（10、11）, microstrip feed line（14）；Metallic vias（8th, 9,13）；Dielectric-slab（3）On
Mushroom EBG structures（15）, copper-clad（16）；Wherein：
A. dielectric-slab（1）, dielectric-slab（2）, dielectric-slab（3）Press together, form an entirety；
B. substrate integrates gap waveguide（SIGW）Structure is by dielectric-slab（1、2、3）Form, wherein, dielectric-slab（1）Upper surface is applied
Layers of copper（4）As perfect electric conductor（PEC）；Dielectric-slab（1）Lower surface is printed with microstrip line（14）；Dielectric-slab（3）Upper making has
Periodic mushroom-shaped structure（15）, and there is copper-clad in lower surface（16）, monoblock dielectric-slab（3）Equivalent to perfect magnetic conductor
（PMC）；
C. copper-clad（4）Apply in dielectric-slab（1）Upper surface；In copper-clad（4）On be etched with a square bore（5）；It is square
Bore（5）Central impression have two rectangular patches（6、7）；Fan-shaped balun（12）It is printed on square bore（5）Edge；
D. coplanar striplines（10、11）And microstrip feed line（14）It is printed on dielectric-slab（1）Lower surface；
E. metallic vias（8、9）Beat in two rectangular patches（6、7）Adjacent side, one end and rectangular patch（6、7）It is connected, separately
One end and coplanar striplines（10、11）It is connected；
F. metallic vias（13）Beat in fan-shaped balun, with coplanar striplines（10）It is connected；
G. coplanar striplines（10、11）One end pass through metallic vias（8、9）Respectively with two rectangular patches in bore center（6、7）
It is connected；Coplanar striplines（10）The other end pass through metallic vias（13）With fan-shaped balun（12）It is connected；Coplanar striplines（11）It is another
One end and microstrip feed line（14）It is connected；
H. dielectric-slab（2）For one block of blank medium plate, dielectric-slab is used as（1）And dielectric-slab（3）Between separation；
I. dielectric-slab（3）On be printed with mushroom EBG structures（15）Array；Mushroom EBG structures（15）By dielectric-slab（3）Upper table
The circular patch and dielectric-slab in face（3）On metallic vias composition；Dielectric-slab（3）Lower surface is copper-clad（16）；
J. mushroom EBG structures（15）In array, positioned at rectangular patch（6、7）Three mushroom EBG structures of underface are moved
Remove, prevent by coplanar striplines（10、11）The energy coupling of feeding is in mushroom EBG structures, to obtain more preferable matching effect；
When k. designing SIGW antennas, in order to obtain required working band, it is necessary to suitably choose mushroom EBG structures（15）
The size and mushroom EBG structures of middle circular patch and metallic vias（15）Cycle, make the stopbands of EBG structures and substrate collection
Into gap waveguide（SIGW）The electromagnetic wave frequency range propagated is adapted；
L. square bore（5）When size increases, gain can increase, but return loss is deteriorated, on the contrary then anti-；Square bore
（5）The gain that obtains when being about wavelength of size and return loss it is preferable；
M. dielectric-slab（1）The microstrip line of lower surface printing（14）In between PEC and PMC, make microstrip line（14）It is encapsulated in
Wherein from external interference.
Compared with prior art, the present invention have the following advantages that：
1st, low section；
2nd, high-gain；
3rd, high radiation efficiency；
4th, easily integrated with other planar circuits.
Brief description of the drawings
Fig. 1 is the electromagnetic dipole antenna structure view that a kind of substrate of the present invention integrates gap waveguide.
Fig. 2 is the electromagnetic dipole antenna medium plate that a kind of substrate of the present invention integrates gap waveguide（1）Upper surface schematic diagram.
Fig. 3 is the electromagnetic dipole antenna medium plate that a kind of substrate of the present invention integrates gap waveguide（1）Lower surface schematic diagram.
Fig. 4 is return loss and the gain for the electromagnetic dipole antenna that a kind of substrate of the present invention integrates gap waveguide.
Embodiment
Technical scheme is described in further detail with reference to embodiment.
As shown in Figure 1, a kind of substrate integrates gap waveguide electromagnetic dipole antenna and includes：Dielectric-slab（1）, dielectric-slab
（2）, dielectric-slab（3）；Dielectric-slab（1）On copper-clad（4）, square bore（5）, rectangular patch（6、7）, fan-shaped balun（12）；
Coplanar striplines（10、11）, microstrip feed line（14）；Metallic vias（8th, 9,13）；Dielectric-slab（3）On mushroom EBG structures（15）,
Copper-clad（16）；Wherein：
A. dielectric-slab（1）, dielectric-slab（2）, dielectric-slab（3）Press together, form an entirety；
B. substrate integrates gap waveguide（SIGW）Structure is by dielectric-slab（1、2、3）Form, wherein, dielectric-slab（1）Upper surface is applied
Layers of copper（4）As perfect electric conductor（PEC）；Dielectric-slab（1）Lower surface is printed with microstrip line（14）；Dielectric-slab（3）Upper making has
Periodic mushroom-shaped structure（15）, and there is copper-clad in lower surface（16）, monoblock dielectric-slab（3）Equivalent to perfect magnetic conductor
（PMC）；
C. copper-clad（4）Apply in dielectric-slab（1）Upper surface；In copper-clad（4）On be etched with a square bore（5）；It is square
Bore（5）Central impression have two rectangular patches（6、7）；Fan-shaped balun（12）It is printed on square bore（5）Edge；
D. coplanar striplines（10、11）And microstrip feed line（14）It is printed on dielectric-slab（1）Lower surface；
E. metallic vias（8、9）Beat in two rectangular patches（6、7）Adjacent side, one end and rectangular patch（6、7）It is connected, separately
One end and coplanar striplines（10、11）It is connected；
F. metallic vias（13）Beat in fan-shaped balun, with coplanar striplines（10）It is connected；
G. coplanar striplines（10、11）One end pass through metallic vias（8、9）Respectively with two rectangular patches in bore center（6、7）
It is connected；Coplanar striplines（10）The other end pass through metallic vias（13）With fan-shaped balun（12）It is connected；Coplanar striplines（11）It is another
One end and microstrip feed line（14）It is connected；
H. dielectric-slab（2）For one block of blank medium plate, dielectric-slab is used as（1）And dielectric-slab（3）Between separation；
I. dielectric-slab（3）On be printed with mushroom EBG structures（15）Array；Mushroom EBG structures（15）By dielectric-slab（3）Upper table
The circular patch and dielectric-slab in face（3）On metallic vias composition；Dielectric-slab（3）Lower surface is copper-clad（16）；
J. mushroom EBG structures（15）In array, positioned at rectangular patch（6、7）Three mushroom EBG structures of underface are moved
Remove, prevent by coplanar striplines（10、11）The energy coupling of feeding is in mushroom EBG structures, to obtain more preferable matching effect；
When k. designing SIGW antennas, in order to obtain required working band, it is necessary to suitably choose mushroom EBG structures（15）In
The size and mushroom EBG structures of circular patch and metallic vias（15）Cycle, the stopband and substrate for making EBG structures integrate
Gap waveguide（SIGW）The electromagnetic wave frequency range propagated is adapted；
L. square bore（5）When size increases, gain can increase, but return loss is deteriorated, on the contrary then anti-；Square bore
（5）The gain that obtains when being about wavelength of size and return loss it is preferable；
M. dielectric-slab（1）The microstrip line of lower surface printing（14）In between PEC and PMC, make microstrip line（14）It is encapsulated in
Wherein from external interference；
Further, in order to illustrate the feasibility of such scheme, an instantiation is given below.In the example, rectangular aperture
（5）Preferable gain and matching effect can be obtained when being closely sized to a wavelength, when its size increases gain can carry
Height, but can be deteriorated with interior matching, it is on the contrary then anti-；Rectangular patch（6、7）The length of the electric dipole of composition is slightly longer than half-wavelength；
Connect rectangular patch（6、7）And coplanar striplines（10、11）Two metallic vias（8、9）The magnetic dipole of composition, is highly Jie
Scutum（1）Height.Dielectric-slab（3）On be printed with 9 × 5 mushroom EBG structures（15）Array, positioned at rectangular patch（6、7）
Three mushroom EBG structures of underface（15）It is removed to obtain more preferable matching effect.In the example, dielectric-slab（1、2、
3）Rogers5880 plates are used, the overall appearance size of the SIGW antennas of formation is 32 × 18 × 1.574m3；Emulation and survey
Test result shows that the antenna return loss is 22.2-29.4GHz less than-10dB frequency ranges, is 9.6 ± 0.4dBi with interior gain.
The better embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula, can also be on the premise of present inventive concept not be departed from the knowledge that one skilled in the relevant art possesses
Various changes can be made.
Claims (7)
1. a kind of substrate of the present invention integrates gap waveguide electromagnetic dipole antenna, it is characterised in that dielectric-slab（1）, dielectric-slab
（2）, dielectric-slab（3）Press together, form an entirety；Substrate integrates gap waveguide（SIGW）Structure is by dielectric-slab（1、2、
3）Form；Dielectric-slab（1）There is copper-clad in upper surface（4）, lower surface printing coplanar striplines（10、11）And microstrip feed line（14）；Apply
Layers of copper（4）On be etched with square bore（5）；Rectangular patch（6、7）It is printed on square bore（5）Center, metallic vias（8、9）Beat
In rectangular patch（6、7）Adjacent side, one end and rectangular patch（6、7）It is connected, the other end and coplanar striplines（10、11）Phase
Even；Coplanar striplines（10）The other end pass through metallic vias（13）With fan-shaped balun（12）It is connected, coplanar striplines（11）It is another
End is directly and microstrip feed line（14）It is connected；Dielectric-slab（2）For one block of blank medium plate, dielectric-slab is used as（1）And dielectric-slab
（3）Between separation；Dielectric-slab（3）On be printed with mushroom EBG structures（15）Array.
2. a kind of substrate according to claim 1 integrates gap waveguide electromagnetic dipole antenna, it is characterised in that：Dielectric-slab
（1）The copper-clad of upper surface（4）As perfect electric conductor（PEC）；Dielectric-slab（1）Lower surface is printed with microstrip line（14）；Medium
Plate（3）Upper making has periodic mushroom-shaped structure（15）, and there is copper-clad in lower surface（16）, monoblock dielectric-slab（3）Equivalent to
Perfect magnetic conductor（PMC）.
3. a kind of substrate according to claim 1 integrates gap waveguide electromagnetic dipole antenna, it is characterised in that：Mushroom
EBG structures（15）By dielectric-slab（3）The circular patch and dielectric-slab of upper surface（3）On metallic vias composition；Dielectric-slab（3）Under
Surface is copper-clad（16）；Mushroom EBG structures（15）In array, positioned at rectangular patch（6、7）Three mushrooms of underface
EBG structures are removed, and are prevented by coplanar striplines（10、11）The energy coupling of feeding is in mushroom EBG structures.
4. integrate gap waveguide electromagnetic dipole antenna according to a kind of substrate described in claim 1, it is characterised in that：Copper-clad
（4）Apply in dielectric-slab（1）Upper surface；In copper-clad（4）On be etched with a square bore（5）；Square bore（5）Center
It is printed with two rectangular patches（6、7）；Fan-shaped balun（12）It is printed on square bore（5）Edge.
5. a kind of substrate according to claim 1 integrates gap waveguide electromagnetic dipole antenna, it is characterised in that：Electromagnetism is even
Extremely sub constituted mode is：Two rectangular patches（6、7）As electric dipole, metallic vias（8、9）Beat in two rectangular patches
（6、7）Adjacent side, one end and rectangular patch（6、7）It is connected, the other end and coplanar striplines（10、11）It is connected, forms magnetic couple
Extremely sub, the two collectively forms electromagnetic dipole.
6. a kind of substrate according to claim 1 integrates gap waveguide electromagnetic dipole antenna, it is characterised in that：Design
During SIGW antennas, in order to obtain required working band, it is necessary to suitably choose mushroom EBG structures（15）Middle circular patch and
The size and mushroom EBG structures of metallic vias（15）Cycle, the stopband and substrate for making EBG structures integrate gap waveguide
（SIGW）The electromagnetic wave frequency range propagated is adapted.
7. a kind of substrate according to claim 1 integrates gap waveguide electromagnetic dipole antenna, it is characterised in that：Square orifice
Footpath（5）When size increases, gain can increase, but return loss is deteriorated, on the contrary then anti-；Square bore（5）Size about
It is preferable for the gain and return loss that are obtained during wavelength.
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| CN201710950181.8A CN107946752B (en) | 2017-10-13 | 2017-10-13 | Substrate integrated gap waveguide electromagnetic dipole antenna |
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| CN107946752B CN107946752B (en) | 2019-12-31 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616764A (en) * | 2018-07-17 | 2019-04-12 | 云南大学 | Substrate integrates gap waveguide circular polarized antenna |
| CN110165400A (en) * | 2019-06-05 | 2019-08-23 | 云南大学 | Integral substrate gap waveguide feed gaps couple super surface linear polarized antenna |
| CN110190408A (en) * | 2019-05-10 | 2019-08-30 | 深圳大学 | A kind of circular polarisation electromagnetic dipole array antenna |
| CN110768014A (en) * | 2019-05-14 | 2020-02-07 | 云南大学 | Integrated substrate gap waveguide via hole cluster feed antenna |
| CN110783704A (en) * | 2019-05-14 | 2020-02-11 | 云南大学 | Dual-via-hole probe feed integrated substrate gap waveguide circularly polarized antenna |
| CN110829032A (en) * | 2019-05-14 | 2020-02-21 | 云南大学 | Slot patch antenna based on integrated substrate gap waveguide |
| CN110854528A (en) * | 2019-05-14 | 2020-02-28 | 云南大学 | Single-via-hole probe feed integrated substrate gap waveguide circularly polarized antenna |
| CN115799824A (en) * | 2022-12-14 | 2023-03-14 | 东莞市优比电子有限公司 | Linear array antenna |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616764A (en) * | 2018-07-17 | 2019-04-12 | 云南大学 | Substrate integrates gap waveguide circular polarized antenna |
| CN109616764B (en) * | 2018-07-17 | 2024-01-19 | 云南大学 | Substrate integrated gap waveguide circularly polarized antenna |
| CN110190408A (en) * | 2019-05-10 | 2019-08-30 | 深圳大学 | A kind of circular polarisation electromagnetic dipole array antenna |
| CN110854528A (en) * | 2019-05-14 | 2020-02-28 | 云南大学 | Single-via-hole probe feed integrated substrate gap waveguide circularly polarized antenna |
| CN110783704A (en) * | 2019-05-14 | 2020-02-11 | 云南大学 | Dual-via-hole probe feed integrated substrate gap waveguide circularly polarized antenna |
| CN110829032A (en) * | 2019-05-14 | 2020-02-21 | 云南大学 | Slot patch antenna based on integrated substrate gap waveguide |
| CN110768014A (en) * | 2019-05-14 | 2020-02-07 | 云南大学 | Integrated substrate gap waveguide via hole cluster feed antenna |
| CN110783704B (en) * | 2019-05-14 | 2024-01-19 | 云南大学 | Double-via probe feed integrated substrate gap waveguide circularly polarized antenna |
| CN110768014B (en) * | 2019-05-14 | 2024-01-26 | 云南大学 | Integrated substrate gap waveguide via cluster feed antenna |
| CN110854528B (en) * | 2019-05-14 | 2024-01-26 | 云南大学 | Single-via probe feed integrated substrate gap waveguide circularly polarized antenna |
| CN110829032B (en) * | 2019-05-14 | 2024-01-26 | 云南大学 | Gap patch antenna based on integrated substrate gap waveguide |
| CN110165400A (en) * | 2019-06-05 | 2019-08-23 | 云南大学 | Integral substrate gap waveguide feed gaps couple super surface linear polarized antenna |
| CN115799824A (en) * | 2022-12-14 | 2023-03-14 | 东莞市优比电子有限公司 | Linear array antenna |
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