CN106532244A - Multiband circular slot antenna for substrate integrated waveguide - Google Patents
Multiband circular slot antenna for substrate integrated waveguide Download PDFInfo
- Publication number
- CN106532244A CN106532244A CN201610953727.0A CN201610953727A CN106532244A CN 106532244 A CN106532244 A CN 106532244A CN 201610953727 A CN201610953727 A CN 201610953727A CN 106532244 A CN106532244 A CN 106532244A
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- dielectric
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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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
-
- 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
- H01Q15/24—Polarising devices; Polarisation filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to a multiband circular slot antenna for a substrate integrated waveguide, which is composed of a cylindrical dielectric plate, metal layers on the upper surface and the lower surface of the dielectric plate, a slot in the upper surface of the dielectric plate and a coaxial feed, wherein metal via holes and the coaxial feed are punched in the dielectric plate, and the metal via holes are distributed circularly and periodically; both the upper surface and the lower surface are coated with the metal layers, and a circle of the circular slot and two circles of arc split groove slot arrays are opened in the upper surface of the dielectric plate, the arc split groove slot arrays are arranged arcly and periodically, and certain distances are left between the circular slot and the two arc split groove slot arrays; and the distance between the coaxial feed position and the center of the dielectric plate is 3.5 mm. The multiband circular slot antenna for the substrate integrated waveguide solves the problem that certain antennas only have a single resonance point, has the advantages of simple structure, easy integration, multiband linear polarization, simple processing, small size, high gain, low loss, stable structure and the like, has multiple modes, and can be applied to multiple aspects.
Description
Technical field
The present invention relates to wireless communication technology field, and in particular to the multiband ring gap antenna of substrate integration wave-guide
Structure.
Background technology
In past 10 years, with the fast development of wireless system, multiband aerial becomes more and more important.Generally, antenna
There should be advantages below：Reconfigurability, high integration, high-performance, good reliability, low cost, weight are little.
At the beginning of 21 century, professor Wu Ke proposes substrate integrated waveguide technology, and which has high Q values.It is recent years, more and more
Slot antenna be used on substrate integration wave-guide, substrate integration wave-guide is more easy of integration and is processed using PCB technologies, manufacture
Low cost, substrate integrated waveguide technology are also applied to other devices.Substrate integration wave-guide antenna has lower Insertion Loss, higher spoke
Penetrate efficiency.For the antenna of multifrequency point work, also it is designed using substrate integrated waveguide technology.Using substrate integration wave-guide skill
The multifrequency point antenna that art is designed, which has lower section degree, simple structure and integrated level high.
However, substrate integration wave-guide antenna is used for high band, the antenna which is designed in low-frequency range typically compares micro-strip
Antenna structure is bigger than normal.So, for the extremely difficult application substrate integrated waveguide technology design of low-frequency antenna.Therefore traditional low-frequency antenna is more
Designed using microstrip structure and co-planar waveguide, although its design can make the antenna of low-frequency range, its section degree is bad and Q values
It is low, not easy of integration.
At present, it is the multifrequency point Antenna Design of realizing the following low frequency part of micron wave, more using substrate integrated waveguide technology
Design.Dielectric-slab is designed to into annulus and a kind of design main flow is become by gap of cracking on the surface of dielectric-slab.So not only may be used
So that aerial radiation effect is more preferable, more preferable directional diagram, high gain and can be designed that circular polarisation and linear polarized antenna.
For substrate integration wave-guide antenna is designed to disc-shape, and open round gap and lobed shape gap can be designed that very
Good linear polarized antenna.
The present invention first in substrate integrated wave guide structure using circle gap and lobed shape gap solves low-frequency range and is difficult to
Small sized antenna problem is designed using substrate integration wave-guide, and realizes good linear polarization.
Present invention, by literature search, to have no and disclose report with identical of the present invention.
The content of the invention
It is an object of the invention to overcome the deficiency of prior art, the multiband annular seam of substrate integration wave-guide is designed
Gap antenna.
The multiband ring gap antenna of the substrate integration wave-guide of the present invention is made up of following 5 part：Dielectric-slab, annulus
Shape gap, splits groove gap array, metallic vias, metal level, wherein：
A. dielectric-slab is disc dielectric-slab；
B. the metallic vias of a circle annular periodic arrangement have been beaten on dielectric-slab, two surfaces up and down of dielectric-slab apply respectively
There is metal level；
C. ring gap is provided with the metal level of dielectric-slab upper surface and groove gap array is split, and groove gap array is split by eight sections of arcs
Shape slot element is constituted, and in periodicity circular arrangement, has certain intervals between slot element；Ring gap, great circle arc
Split groove gap array, the distance in the center of circle that ringlet arc splits groove gap array and dielectric-slab to successively decrease successively；
D. the multiband ring gap antenna of new substrate integration wave-guide of the invention adopts coaxial feed, and distributing point 2 is inclined
On the dielectric-slab in the center of circle, via is equipped with distributing point, coaxial cable is fed to antenna by via.
The ring gap and two circle arcs opened in dielectric-slab upper surface metal level splits groove gap array and realizes day
The heterogeneous radiation of line；Add two circle arcs to split groove gap array and realize more preferable linear polarization, groove lap gating system is split to every circle arc
Row adjust suitable radian and obtain more preferable return loss performance using eight sections；Antenna adopts asymmetrical coaxial feed
Form, realizes good return loss by selecting the feed placement being adapted to, obtains good bandwidth.
The present invention compared with prior art, has the advantage that：
1st, the single frequency of antenna is solved the problems, such as, this antenna has multiband feature；
2nd, with small size, low section is easy of integration, easy processing, low cost of manufacture；
3rd, low-loss, Stability Analysis of Structures, transmission performance are good；
4th, with high-gain, multifrequency point.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the surface structure schematic diagram of the present invention.
Fig. 3 is the lower surface configuration schematic diagram of the present invention.
Fig. 4 is antenna return loss in the present invention（S11）Simulation result.
Fig. 5 is the emulation polarised direction figure in present invention E faces, H faces in 4.28GHz.
Fig. 6 is the emulation polarised direction figure in present invention E faces, H faces in 7.61GHz.
Fig. 7 is the emulation polarised direction figure in present invention E faces, H faces in 9.29GHz.
Fig. 8 is the emulation polarised direction figure in present invention E faces, H faces in 10.20GHz.
Specific embodiment
Technical scheme is described in more detail with reference to specific embodiment.
As shown in figure 1, the multiband ring gap antenna of the substrate integration wave-guide in the present invention is by following 5 part group
Into：Dielectric-slab 1, ring gap 3 split groove gap array 4,5, metallic vias 6, metal level 7,8, wherein：
A. dielectric-slab 1 is disc dielectric-slab；
B. the metallic vias 6 of a circle annular periodic arrangement, two surface difference up and down of dielectric-slab 1 have been beaten on dielectric-slab 1
Scribble metal level 7,8；
C. ring gap 3 is provided with the metal level 7 of 1 upper surface of dielectric-slab and groove gap array 4,5 is split, split groove gap array 4,
5 are made up of eight sections of arc shaped slits units, in periodicity circular arrangement, have certain intervals between slot element；Ring gap
3rd, arc is split groove gap array 4, arc and splits groove gap array 5 and successively decreased with the distance in the center of circle of dielectric-slab 1 successively；
D. the multiband ring gap antenna of new substrate integration wave-guide of the invention adopts coaxial feed, and distributing point 2 is inclined
On the dielectric-slab in the center of circle, via is equipped with distributing point, coaxial cable is fed to antenna by via.
In the present invention, the multiband ring gap antenna of substrate integration wave-guide has four working frequency points, and realizes line pole
Change, dielectric-slab adopts dielectric constant for 2.2 and 5880 dielectric materials of RT/Duroid that loss angle tangent is 0.0009, its radius
For 20mm, thickness is 1.5mm；Antenna clawback loss simulation result is as shown in Figure 4；Simulation result shows, in 4GHz-10GHz frequencies
There are four resonance points in section, respectively 4.28GHz, 7.61GHz, 9.29GHz, 10.20GHz, antenna reflection coefficient are humorous at each
Shakes-the 20dB that be a little both less than, the characteristics of embody antenna multifrequency point；Antenna each resonance point directional image simulation result such as Fig. 5-
Shown in 8；Simulation result shows, at 4.28GHz, tetra- resonance frequencies of 7.61GHz, 9.29GHz, 10.20GHz, each work frequency
The polarised direction figure of point realizes good linear polarization in E faces and H faces, and maximum gain is respectively 6.92dB, 4.72dB,
9.2dB and 7.1dB, it can be seen that antenna gain is high, and antenna pattern has good stability.
Above the better embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from present inventive concept
Make a variety of changes.
Claims (3)
1. the multiband ring gap antenna structure of substrate integration wave-guide, it is characterised in that include：Dielectric-slab（1）, annular
Gap（3）, split groove gap array（4）（5）, metallic vias（6）, metal level（7）（8）, wherein：
A. dielectric-slab（1）For disc dielectric-slab；
B. dielectric-slab（1）On beaten one circle annular periodic arrangement metallic vias（6）, dielectric-slab（1）Upper and lower surface is distinguished
Scribble metal level（7）（8）；
C. dielectric-slab（1）The metal level of upper surface（7）On be provided with ring gap（3）With split groove gap array（4）、（5）, split
Groove gap array（4）、（5）It is made up of eight sections of arc shaped slits units, in periodicity circular arrangement, between slot element, has certain
Interval；Ring gap（3）, arc split groove gap array（4）, arc split groove gap array（5）With dielectric-slab（1）The center of circle
Distance is successively decreased successively；
D. the multiband ring gap antenna of new substrate integration wave-guide of the invention adopts coaxial feed, distributing point（2）
Deviate the dielectric-slab in the center of circle（1）On, via is equipped with distributing point, coaxial cable is fed to antenna by via.
2. the multiband ring gap antenna of substrate integration wave-guide according to claim 1, it is characterised in that：Given an account of
Scutum（1）Upper surface metal level（7）In ring gap（3）Relative to dielectric-slab（1）The outer radius of center is 14mm,
Inside radius is 13.25mm；Arc splits groove gap array（4）Be made up of the arc shaped slits that eight sections of radians are 30 degree, slot element it
Between be separated by 15 radians；Arc shape splits groove gap array（4）Relative to dielectric-slab（1）The outer radius of center is 12.2mm, interior
Radius is 11.2mm；Arc splits line of rabbet joint gap（5）It is made up of the arc shaped slits that eight sections of radians are 25 degree, between gap, is separated by 20 arcs
Degree, arc split line of rabbet joint gap（5）It is 11mm relative to the outer radius of dielectric-slab center, inside radius is 10mm.
3. the multiband ring gap antenna of the substrate integration wave-guide according to claim 1,2, it is characterised in that：Institute
Give an account of scutum（1）Dielectric constant is adopted for 2.2 and 5880 dielectric materials of RT/Duroid that loss angle tangent is 0.0009, which half
Footpath is 20mm, and thickness is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953727.0A CN106532244A (en) | 2016-11-03 | 2016-11-03 | Multiband circular slot antenna for substrate integrated waveguide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953727.0A CN106532244A (en) | 2016-11-03 | 2016-11-03 | Multiband circular slot antenna for substrate integrated waveguide |
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| CN106532244A true CN106532244A (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610953727.0A Pending CN106532244A (en) | 2016-11-03 | 2016-11-03 | Multiband circular slot antenna for substrate integrated waveguide |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611600A (en) * | 2017-08-08 | 2018-01-19 | 西安电子科技大学 | A kind of SIW annular slot antennas for producing bimodulus OAM vortex electromagnetic waves |
| CN108281777A (en) * | 2017-12-28 | 2018-07-13 | 广东曼克维通信科技有限公司 | / 8th mould substrate integration wave-guide omnidirectional antennas |
| CN110416702A (en) * | 2018-04-30 | 2019-11-05 | 恩智浦美国有限公司 | Antenna with beam switchable pattern |
| CN111106428A (en) * | 2018-10-26 | 2020-05-05 | 启碁科技股份有限公司 | Antenna structure and electronic device |
| CN113381164A (en) * | 2021-04-08 | 2021-09-10 | 上海磐启微电子有限公司 | Back-feed coupling WIFI antenna |
| CN113809520A (en) * | 2021-08-13 | 2021-12-17 | 华南理工大学 | Substrate-integrated-waveguide-based isolation dual-frequency antenna |
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| US20110018657A1 (en) * | 2008-03-18 | 2011-01-27 | Shi Cheng | Substrate Integrated Waveguide |
| CN105655699A (en) * | 2016-02-04 | 2016-06-08 | 东南大学 | Back-cavity slot circular polarization antenna adopting substrate integrated waveguide |
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2016
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Non-Patent Citations (1)
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| MING DONG ; DONGYA SHEN ; CHAOJUN MA ; ZU-HUI MA ; XINGXING LI ;: "A novel split ring slot antenna with multiband characteristics based on SIW", 《2016 11TH INTERNATIONAL SYMPOSIUM ON ANTENNAS, PROPAGATION AND EM THEORY (ISAPE)》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611600A (en) * | 2017-08-08 | 2018-01-19 | 西安电子科技大学 | A kind of SIW annular slot antennas for producing bimodulus OAM vortex electromagnetic waves |
| CN108281777A (en) * | 2017-12-28 | 2018-07-13 | 广东曼克维通信科技有限公司 | / 8th mould substrate integration wave-guide omnidirectional antennas |
| CN110416702A (en) * | 2018-04-30 | 2019-11-05 | 恩智浦美国有限公司 | Antenna with beam switchable pattern |
| US11870146B2 (en) | 2018-04-30 | 2024-01-09 | Nxp Usa, Inc. | Antenna with switchable beam pattern |
| CN110416702B (en) * | 2018-04-30 | 2024-01-30 | 恩智浦美国有限公司 | Antenna with switchable beam pattern |
| CN111106428A (en) * | 2018-10-26 | 2020-05-05 | 启碁科技股份有限公司 | Antenna structure and electronic device |
| CN111106428B (en) * | 2018-10-26 | 2021-01-26 | 启碁科技股份有限公司 | Antenna structure and electronic device |
| CN113381164A (en) * | 2021-04-08 | 2021-09-10 | 上海磐启微电子有限公司 | Back-feed coupling WIFI antenna |
| CN113381164B (en) * | 2021-04-08 | 2023-03-17 | 上海磐启微电子有限公司 | Back-feed coupling WIFI antenna |
| CN113809520A (en) * | 2021-08-13 | 2021-12-17 | 华南理工大学 | Substrate-integrated-waveguide-based isolation dual-frequency antenna |
| CN113809520B (en) * | 2021-08-13 | 2023-09-26 | 华南理工大学 | Dual-frequency antenna based on substrate integrated waveguide isolation |
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