CN108110416A - " work " font double frequency slit antenna based on coplanar wave guide feedback - Google Patents
" work " font double frequency slit antenna based on coplanar wave guide feedback Download PDFInfo
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- CN108110416A CN108110416A CN201711380142.5A CN201711380142A CN108110416A CN 108110416 A CN108110416 A CN 108110416A CN 201711380142 A CN201711380142 A CN 201711380142A CN 108110416 A CN108110416 A CN 108110416A
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- Prior art keywords
- line
- rabbet joint
- gap
- double frequency
- wave guide
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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
- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- 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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of " work " font double frequency slit antennas based on coplanar wave guide feedback, cover the slot antenna of copper dielectric-slab and etching on it including a single side；The slot antenna includes a coplanar waveguide feeder line and two multimode gap resonators；The coplanar waveguide feeder line is made of two bars transmission gap, intermediate conduction band and metal；Two multimode gap resonators it is symmetrical be arranged on coplanar waveguide feeder line both sides, and be connected respectively by line of rabbet joint section with signal transmission gap；Each multimode gap resonator is formed again by two with the symmetrical rectangular aperture resonator of line of rabbet joint section, and multimode gap resonator is in integrally dies.Antenna size is compact, simple in structure, and section is low, easy to process, cheap and be easy to integrate with other microwave circuits.The dual-band antenna includes three resonant frequencies, and all frequency ranges of WLAN can be completely covered, the working frequency and performance of antenna can be effectively adjusted by adjusting the different sizes to design a model.
Description
Technical field
The present invention relates to the double frequency WLAN gaps of technical field of micro communication more particularly to a kind of coplanar wave guide feedback day
Line.
Background technology
1887, after the Germany scientist hertz experimental verification presence of electromagnetic wave, the mankind were put into exploitation and have used
The epoch of electromagnetic wave.Wireless communication rapidly develops in social work life, and Wireless Application Device is also growing day by day, and antenna,
As part indispensable in wireless communication system, also receive and grind the person of making internal disorder or usurp and more and more pay close attention to.To 21 century, with
Wireless technology is constantly pushed ahead, and indoor wireless networks are gradually popularized, and is worked at the same time all in WLAN (Wireless LAN)
The antenna of frequency range is increasingly taken seriously, and the slot antenna of coplanar wave guide feedback is because with easy of integration, low section and size
The advantages that compact, receives extensive research and application.However or the antenna applied to interior WLAN cannot cover simultaneously at present
Whole frequency ranges (2.4/5.2/5.8GHz) of WLAN or bandwidth with larger size and reflectance factor 10dB are also relatively narrow,
Planar structure is not belonging to, so that the integrated difficulty with processing increases, is not easy to promote the use of.In consideration of it, design is a kind of
All frequency ranges of WLAN can be covered simultaneously, and being provided simultaneously with easy of integration, cheap, low section planar slot antenna has very
Important research significance and use value.
The content of the invention
It is an object of the invention to provide a kind of low sections, easy of integration, cheap and easy to process based on coplanar ripple
Lead the double frequency slit antenna that can cover all frequency ranges of WLAN simultaneously of feed.
To achieve the above object, the technical solution adopted by the present invention is specific as follows：
A kind of " work " font double frequency slit antenna based on coplanar wave guide feedback, including a single side cover copper dielectric-slab and
The slot antenna of etching on it；The slot antenna includes a coplanar waveguide feeder line and two multimode gap resonators；Institute
Coplanar waveguide feeder line is stated to be made of two bars transmission gap, intermediate conduction band and metal；Two multimode gap resonators are opposite
What is claimed is arranged on coplanar waveguide feeder line both sides, and is connected respectively by line of rabbet joint section with signal transmission gap；Each multimode gap
Resonator is formed again by two with the symmetrical rectangular aperture resonator of line of rabbet joint section, and multimode gap resonator is in integrally " work " word
Type structure.
Preferably, the rectangular aperture resonator is by second line of rabbet joint, a third slot line, the 4th line of rabbet joint,
Piece the 5th line of rabbet joint, the 6th line of rabbet joint, the 7th line of rabbet joint, the 8th line of rabbet joint, the 9th line of rabbet joint, the tenth line of rabbet joint
It is formed with the 11st line of rabbet joint；Two rectangular aperture resonators are connected by first line of rabbet joint；The one of second line of rabbet joint
End is connected to form two the first L-type structures with first line of rabbet joint；The both ends of the third slot line are another with two second line of rabbet joint respectively
One end connects to form the first U-shaped structure with one end of the 4th line of rabbet joint；5th line of rabbet joint respectively with the other end of the 4th line of rabbet joint and
One end of 6th line of rabbet joint forms the second U-shaped structure, and the other end of the 6th line of rabbet joint and one end of the 7th line of rabbet joint are connected to form the
Two L-type structures；The other end of 7th line of rabbet joint is connected with the stage casing of the 8th line of rabbet joint, the 8th line of rabbet joint, the 9th line of rabbet joint, the tenth line of rabbet joint
And the 11st the line of rabbet joint join end to end to form rectangular aperture structure.
Preferably, second line of rabbet joint and the 6th line of rabbet joint section are isometric, and third slot line and the 4th line of rabbet joint are isometric, the 11st slot
Line and the 9th line of rabbet joint are isometric.
Preferably, each corner in first U-shaped structure, the second U-shaped structure is right angle；First L-type structure,
The corner of second L-type structure is right angle.
Preferably, the length L1 in the signal transmission gap is 14.25mm, and width g1 is 0.15mm.
Preferably, the plate of the attached copper dielectric-slab of the single side is individual layer Rogers R4003C, and relative dielectric constant is
3.38, thickness 0.8mm, copper thickness are 0.18mm.
Compared with the prior art, the invention has the advantages that：
Antenna size is compact, simple in structure, and section is low, easy to process, cheap and be easy to and other microwave circuit collection
Into.The dual-band antenna includes three resonant frequencies, all frequency ranges of WLAN can be completely covered, by adjusting different design a model
Size can effectively adjust the working frequency and performance of antenna.
Description of the drawings：
Fig. 1 is the planar structure and scale diagrams of the double frequency slit antenna of the present invention；
Fig. 2 is the structure diagram in the gap radiation face of double frequency slit antenna of the present invention；
Fig. 3 is the reflectance factor schematic diagram of double frequency slit antenna of the present invention；
Fig. 4 a are E-plane and H-plane patterns under 2.4GHz of the present invention；
Fig. 4 b are E-plane and H-plane patterns under 5.2GHz of the present invention.
Specific embodiment：
The technological means and effect taken in order to achieve the above objectives for the present invention is further explained are right below in conjunction with the accompanying drawings
The specific embodiment of the present invention is described in detail.
As shown in Figure 1, a kind of " work " font double frequency slit antenna based on coplanar wave guide feedback, covers copper including a single side
The slot antenna of dielectric-slab and etching on it；Slot antenna includes a coplanar waveguide feeder line 2 and two multimode gaps are humorous
Shake device 1；Coplanar waveguide feeder line 2 is made of two bars transmission gap 21, intermediate conduction band 22 and metal；Two multimode gaps are humorous
The device 1 that shakes it is symmetrical be arranged on 2 both sides of coplanar waveguide feeder line on line AA ' symmetrically, and pass through line of rabbet joint section and signal transmission respectively
Gap 21 is connected；Each multimode gap resonator 1 is formed again by two with the symmetrical rectangular aperture resonator of line of rabbet joint section, and
Whole multimode gap resonator 1 is in dies.
Slot antenna is etched on the attached copper dielectric-slab of single side being made of metallic copper 102 and dielectric-slab 101, metallic copper 102
Positioned at dielectric-slab 101 the upper surface of, dotted fill part is metallic copper 102 in figure.The plate of the attached copper dielectric-slab of single side is individual layer sieve
This R4003C of outstanding person, relative dielectric constant 3.38, thickness 0.8mm, copper thickness are 0.18mm.
As shown in Fig. 2, multimode gap resonator 1 includes first line of rabbet joint 11, two second line of rabbet joint 12, two the 3rd slots
Line 13, two the 4th line of rabbet joint 14, two the 5th line of rabbet joint 15, two the 6th line of rabbet joint 16, two the 7th line of rabbet joint 17, two the 8th line of rabbet joint
18, two the 9th line of rabbet joint 19, two the tenth line of rabbet joint 20 and two the 11st line of rabbet joint 21 form；Two second line of rabbet joint 12 are respectively with
The both ends of one line of rabbet joint 11 are connected to form two the first L-type structures, the both ends of two third slot lines 13 respectively with two second line of rabbet joint
12 one end connects to form the first U-shaped structure with one end of two the 4th line of rabbet joint 14, two the 5th line of rabbet joint 15 respectively with two
One end of the other end of four line of rabbet joint 14 and two the 6th line of rabbet joint 16 forms the second U-shaped structure, the other end of two the 6th line of rabbet joint 16
The second L-type structure is connected to form with one end of the 7th line of rabbet joint 17；The stage casing phase of the other end and the 8th line of rabbet joint 18 of 7th line of rabbet joint 17
Even, the 8th line of rabbet joint 18, the 9th line of rabbet joint 19, the tenth line of rabbet joint 20 and the 11st line of rabbet joint 21 join end to end to form rectangular aperture knot；It is above-mentioned
The line of rabbet joint section collectively constitutes " work " the font gap resonator of an open-end.Particularly, second line of rabbet joint 12 and the 6th slot
16 sections of line is isometric, and 13 and the 4th line of rabbet joint section 14 of third slot line section is isometric, and the 11st line of rabbet joint section 21 and the 9th line of rabbet joint section 19 are isometric.
In the present embodiment, each corner of two U-shaped structures is right angle, and forms the 3rd slot of each U-shaped structure
13 and the 5th line of rabbet joint section 15 of line segment is isometric；First L-type structure, the corner of the second L-type structure are right angle；The line of rabbet joint be
The hollow out gap opened up on the attached copper dielectric-slab of single side.
As shown in Fig. 1 Fig. 2, the length of first line of rabbet joint 11 of single gap resonator is L01, and the length of second line of rabbet joint 12 is
L02, the length of two third slot lines 13 are L03, the length of two the 6th line of rabbet joint 16 for L06 and between at a distance of d06 distance, the
The length of seven line of rabbet joint 17 is L07 and the vertical range between first line of rabbet joint 11 is d07, the length of the 9th line of rabbet joint 19 for L19 and
Be d09 with the vertical range of third slot line 13, the vertical range between the tenth line of rabbet joint 10 and third slot line 13 is also d10, d10 with
The size of d09 is identical.Reflectance factor can be optimized by the parameter for the length L00 for changing the first feeder line of co-planar waveguide, pass through change
The resonant frequency of the adjustable in length gap resonator of above-mentioned each line of rabbet joint section, antenna when working as the size increase of L01, L02 and L03
Resonant frequency reduces, and research shows that these three sizes compare the resonant frequency of antenna and the 10dB bandwidth contributions of reflectance factor
Greatly.
With reference to shown in figure, the preferred size of double frequency slit antenna of the present invention is as shown in table 1：
| W | 27.03 | L03 | 6.3 | g2 | 0.15 |
| L | 28.15 | L04 | 5.6 | g3 | 0.15 |
| L1 | 14.25 | d07 | 0.36 | L02 | 0.76 |
| d | 1.2 | d09 | 0.28 | g1 | 0.15 |
| L01 | 5.2 | d06 | 0.36 |
The size of 1 WLAN antenna preferred embodiments in double frequency gap of the present invention of table
In the present embodiment, the length L of the attached copper dielectric-slab of single side is preferably 28.15mm, and width W is preferably 27.03mm.It is single
The length and width of the attached copper dielectric-slab in face can change with the variation of antenna sections size.
As shown in figure 3, Fig. 3 is the schematic diagram of the reflectance factor of double frequency WLAN slot antennas of the present invention.It is as can be seen that described
Slot antenna there are two working frequency range, centre frequency is respectively 2.4 and 5.5GHz, and relative bandwidth is respectively 8% and 15%.
Two frequency ranges of Antenna Operation are generated by gap resonator.The directional diagram in E faces and H faces under its 2.4GHz is as shown in figure 4, can see
Go out the main polarization directional diagram in E faces in " 8 " type, there is certain directionality, H faces are in omnidirectional radiation state when 0-180 is spent.
Not only design structure is compact for commodity gap WLAN antennas of the present invention, easy to process, cheap, section
It is low, be easy to other microwave circuits and integrate, and the dual frequency characteristics of antenna are realized using double frequency gap resonator, WLAN can be covered very well
All frequency ranges, have good radiation effect, it is expected to be promoted use.
The above only to presently preferred embodiments of the present invention, not limits the present invention, and appoints
What those skilled in the art is changed or is changed form as equivalent variations possibly also with the technology contents of the disclosure above
Equivalent embodiment.But it is every without departing from the present invention program content, technical spirit according to the invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still falls within protection scope of the present invention.
Claims (6)
1. a kind of " work " font double frequency slit antenna based on coplanar wave guide feedback, it is characterised in that：Copper is covered including a single side
The slot antenna of dielectric-slab and etching on it；
The slot antenna includes a coplanar waveguide feeder line (2) and two multimode gap resonators (1)；
The coplanar waveguide feeder line (2) is made of two bars transmission gap (21), intermediate conduction band (22) and metal；
Two multimode gap resonators (1) it is symmetrical be arranged on coplanar waveguide feeder line (2) both sides, and respectively by line of rabbet joint section with
Signal transmission gap (21) is connected；
It each multimode gap resonator (1) and is formed by two with the symmetrical rectangular aperture resonator of line of rabbet joint section, and multimode
Gap resonator (1) is in integrally dies.
2. " work " font double frequency slit antenna according to claim 1 based on coplanar wave guide feedback, it is characterised in that：Institute
Rectangular aperture resonator is stated by second line of rabbet joint (12), a third slot line (13), the 4th line of rabbet joint (14), one the 5th
The line of rabbet joint (15), the 6th line of rabbet joint (16), the 7th line of rabbet joint (17), the 8th line of rabbet joint (18), the 9th line of rabbet joint (19),
Piece the tenth line of rabbet joint (20) and the 11st line of rabbet joint (21) composition；
Two rectangular aperture resonators are connected by first line of rabbet joint (11)；
One end of second line of rabbet joint (12) is connected to form two the first L-type structures with first line of rabbet joint (11)；
The both ends of the third slot line (13) one end with the other end of two second line of rabbet joint (12) and the 4th line of rabbet joint (14) respectively
Connection forms the first U-shaped structure；
It is U-shaped that 5th line of rabbet joint (15) forms second with one end of the other end of the 4th line of rabbet joint (14) and the 6th line of rabbet joint (16) respectively
Structure,
The other end of 6th line of rabbet joint (16) and one end of the 7th line of rabbet joint (17) are connected to form the second L-type structure；
The other end of 7th line of rabbet joint (17) is connected with the stage casing of the 8th line of rabbet joint (18), the 8th line of rabbet joint (18), the 9th line of rabbet joint
(19), the tenth line of rabbet joint (20) and the 11st line of rabbet joint (21) join end to end to form rectangular aperture structure.
3. " work " font double frequency slit antenna according to claim 2 based on coplanar wave guide feedback, it is characterised in that：Institute
It states second line of rabbet joint (12) and the 6th line of rabbet joint (16) section is isometric, third slot line (13) and the 4th line of rabbet joint (14) are isometric, the 11st line of rabbet joint
(21) and the 9th line of rabbet joint (19) is isometric.
4. " work " font double frequency slit antenna according to claim 2 based on coplanar wave guide feedback, it is characterised in that：Institute
The each corner stated in the first U-shaped structure, the second U-shaped structure is right angle；
First L-type structure, the corner of the second L-type structure are right angle.
5. " work " font double frequency slit antenna according to claim 2 based on coplanar wave guide feedback, it is characterised in that：Institute
The length L1 in signal transmission gap (21) is stated as 14.25mm, width g1 is 0.15mm.
6. " work " font double frequency slit antenna according to claim 2 based on coplanar wave guide feedback, it is characterised in that：Institute
The plate of the attached copper dielectric-slab of single side is stated as individual layer Rogers R4003C, relative dielectric constant 3.38, thickness 0.8mm, copper
Thickness is 0.18mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380142.5A CN108110416B (en) | 2017-12-19 | 2017-12-19 | I-shaped dual-frequency slot antenna based on coplanar waveguide feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380142.5A CN108110416B (en) | 2017-12-19 | 2017-12-19 | I-shaped dual-frequency slot antenna based on coplanar waveguide feed |
Publications (2)
| Publication Number | Publication Date |
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| CN108110416A true CN108110416A (en) | 2018-06-01 |
| CN108110416B CN108110416B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711380142.5A Active CN108110416B (en) | 2017-12-19 | 2017-12-19 | I-shaped dual-frequency slot antenna based on coplanar waveguide feed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797652A (en) * | 2019-11-22 | 2020-02-14 | 电子科技大学 | Periodic leaky-wave antenna with CPW structure and preparation method |
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2017
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| CN110797652A (en) * | 2019-11-22 | 2020-02-14 | 电子科技大学 | Periodic leaky-wave antenna with CPW structure and preparation method |
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| CN108110416B (en) | 2023-07-25 |
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