CN106785379A - Three frequency slot antennas of coplanar wave guide feedback - Google Patents
Three frequency slot antennas of coplanar wave guide feedback Download PDFInfo
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- CN106785379A CN106785379A CN201710082142.0A CN201710082142A CN106785379A CN 106785379 A CN106785379 A CN 106785379A CN 201710082142 A CN201710082142 A CN 201710082142A CN 106785379 A CN106785379 A CN 106785379A
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- gap
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- wave guide
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- 239000002184 metal Substances 0.000 claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 19
- 230000005855 radiation Effects 0.000 claims abstract description 19
- 230000008054 signal transmission Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 230000010363 phase shift Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005404 monopole Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 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
- H01Q1/36—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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of three frequency slot antennas of coplanar wave guide feedback, coplanar wave guide feedback part, the L-type gap and mushroom gap radiation face of loading in parallel are etched with metal level, coplanar wave guide feedback part includes two parallel signal transmission gaps and central metal conduction band, the first L-type gap of end short circuit is loaded with one bars transmission gap, the middle part in another bars transmission gap is disconnected, and short-circuit the second L-type gap and the 3rd L-type gap in end is loaded with respectively position is disconnected.The second L-type gap and the 3rd L-type gap constitute 180 ° of phase shifters, first L-type gap and the second L-type gap are symmetrical axial symmetry with the center line of central metal conduction band, and central metal conduction band extends to the inside in mushroom gap radiation face and is loaded with semicircle conduction band in the end of central metal conduction band.The present invention has the advantages that compact dimensions, simple structure, is easily integrated and is easy to processing, while being operable with tri- frequency ranges of 2.5GHz, 3.6GHz and 5.8GHz of WiMAX.
Description
Technical field
The invention belongs to microwave antenna art field, and in particular to a kind of three frequency slot antennas of coplanar wave guide feedback.
Background technology
With the continuous evolution of wireless communication technology, related communication product becomes more diverse, while to corresponding antenna
System proposes requirement higher.Traditional single-band antenna cannot meet the demand of today's society radio communication.And with electricity
Sub- small product size is constantly reduced, and preferable antenna should be advanced to smaller szie, wider band direction.The ieee standard regulation whole world is micro-
Ripple interconnection is accessed（WiMAX）Three working frequency range be 2.5-2.69GHz, 3.3-3.79GHz and 5.25-5.85GHz.With micro-
Wave technology is continued to develop, and the number of users of wireless communications products is also being sharply increased, and more and more nervous frequency spectrum resource also will
Seek the headend equipment of radio communication（Antenna）Multiple frequency bands can be simultaneously worked in, so as to increase the capacity of radio communication.Therefore
Low cost, multiband, miniaturization, the flat plane antenna of three frequency ranges easy of integration and working in WiMAX simultaneously are in radio communication system
There is important Research Significance in system.
Current domestic and foreign scholars have been presented for the various antennas for being applied to WiMAX, for example, load monopole day using rectangle
Line and inverted L shape slot line structure realize the frequency range of 2.45GHz, 3.5GHz and 5.8GHz（Chen H, Yang X, Yin Y Z,
et al. Tri-band rectangle-loaded monopole antenna with inverted-L slot for
WLAN/WiMAX applications[J]. Electronics Letters, 2013, 49(20):1261-1262.）.Adopt
The multifrequency antenna of WiMAX/Wi-Fi is realized with the circular spike-tooth antenna of coplanar wave guide feedback（Daniel R S, Suganthi
S. Design and simulation of CPW fed circular spike antenna for wireless
applications[C]“International Conference on Innovations in Information,
Embedded and Communication Systems. IEEE, 2015:1-5.”）.Although these methods all realize many
Frequency antenna and electromagnetic compatibility is met, but structure is somewhat complicated and size is larger, is unfavorable for processing.
The content of the invention
Present invention solves the technical problem that there is provided the coplanar wave guide feedback of a kind of simple and compact for structure and convenient processing
Three frequency slot antennas.
The present invention is to solve above-mentioned technical problem to adopt the following technical scheme that, three frequency slot antennas of coplanar wave guide feedback,
Medium substrate including one side coating metal layer, it is characterised in that：Be etched with described metal level coplanar wave guide feedback part,
The L-type gap and mushroom gap radiation face of parallel connection loading, coplanar wave guide feedback part include two parallel signal transmission seams
Gap and central metal conduction band, are loaded with the first L-type gap of end short circuit, another letter on bars transmission gap therein
Number transmission gap middle part disconnect, disconnect position end be loaded with respectively end short circuit the second L-type gap and the 3rd L-type
Gap, the second L-type gap and the 3rd L-type gap constitute 180 ° of phase shifters, and the first L-type gap is with the second L-type gap with center
The center line of metal conduction band is symmetrical axial symmetry, and central metal conduction band extends to the inside in mushroom gap radiation face and at it
End is loaded with semicircle conduction band.
Further preferably, it is 28mm that described medium substrate uses Rogers R4003C, its length L, and width W is 24mm,
Thickness is 0.8mm, and metal level is copper, and metal layer thickness is 18 μm.
Further preferably, described coplanar wave guide feedback partial-length L1=6mm, central metal conduction band width W1=
2.13mm, signal transmission gap width g1=0.15mm, L-type gap length L6=7mm, L-type slit bends partial-length L7=
3.8mm, L-type gap width g2=0.15mm, the metal conduction band width W2=1.8mm between 180 ° of phase shifters, L-type gap to mushroom
Shape gap radiation face apart from L2=7mm, central metal conduction band extends to the length L3=3.2mm in mushroom gap radiation face, half
The radius L4=3.6mm of circular conduction band, length L5=10.8mm of the mushroom gap radiation face end away from signal transmission gap end.
The present invention has the advantages that compared with prior art：Using coplanar wave guide feedback, it is easy to integrated, antenna chi
Semicircle conduction band that is very little compact, being loaded by mushroom gap radiation face and feeder line central metal conduction band end, produces antenna
2.5GHz and 3.6GHz two frequency ranges, and loading L-type gap in parallel generates the 3rd working frequency range of antenna on feeder line
5.8GHz, and in above three frequency range, return loss is below -10dB.Therefore the present invention has compact dimensions, structure letter
Advantage that is single, being easily integrated and be easy to processing, while being operable with tri- frequency ranges of 2.5GHz, 3.6GHz and 5.8GHz of WiMAX.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is overall structure size marking figure of the invention；
Fig. 3 is return loss plot of the invention；
Fig. 4 is standing-wave ratio of the invention；
Fig. 5 is E face directional diagram of the present invention in 3.6GHz；
Fig. 6 is H face directional diagram of the present invention in 3.6GHz.
In figure：1st, medium substrate, 2, metal level, 3, coplanar wave guide feedback part, 4, mushroom gap radiation face, 5, signal
Transmission gap, 6, central metal conduction band, the 7, first L-type gap, the 8, second L-type gap, the 9, the 3rd L-type gap, 10, semicircle leads
Band.
Specific embodiment
Particular content of the invention is described in detail with reference to accompanying drawing.As shown in Figure 1-2, the three frequency gaps day of coplanar wave guide feedback
Line, including one side coating metal layer 2 medium substrate 1, coplanar wave guide feedback part 3, in parallel is etched with described metal level 2
The L-type gap and mushroom gap radiation face 4 of loading, coplanar wave guide feedback part 3 include two parallel signal transmission gaps 5
With central metal conduction band 6, the first L-type gap 7, another bars transmission seam are loaded with bars transmission gap 5 therein
The middle part of gap 5 is disconnected, and the second L-type gap 8 and the 3rd L-type gap 9 symmetrical above and below is loaded with respectively position end is disconnected, and is believed
Number the 3rd L-type gap 9 will be coupled to by the second L-type gap 8 herein, while both signals will have 180 ° of differences, therefore the
Two L-type gaps 8 and the 3rd L-type gap 9 constitute 180 ° of phase shifters, and the first L-type gap 7 is led with the second L-type gap 8 with central metal
With 6 center line be symmetry axis it is symmetrical, central metal conduction band 6 extend to the inside in mushroom gap radiation face 4 and
The end of central metal conduction band 6 is loaded with semicircle conduction band 10.
As shown in figure 1, it is 28mm that described medium substrate 1 uses Rogers R4003C, its length L, width W is 24mm,
Thickness is 0.8mm, and metal level 2 is copper, and the thickness of metal level 2 is 18 μm.As indicated with 2, the described length of coplanar wave guide feedback part 3
L1=6mm, the width W1=2.3mm of central metal conduction band 4, the width g1=0.15mm of signal transmission gap 5, the length of the second L-type gap 8
L6=7mm, the bending part length L7=3.8mm of the 3rd L-type gap 9, the first L-type gap 7 and the width g2=of the second L-type gap 8
0.15mm, the width W2=1.8mm of the metal conduction band between 180 ° of phase shifters, the first L-type gap 7 to mushroom gap radiation face 4
Apart from L2=7mm, central metal conduction band 5 extends to the length L3=3.2mm in mushroom gap radiation face 4, semicircle conduction band 10
Radius L4=3.6mm, length L5=10.8mm of the end of mushroom gap radiation face 4 away from the end of signal transmission gap 5.
The return loss plot of the three frequencies slot antenna as shown in figure 3, in 2.49-2.73GHz, 3.48-3.89GHz and
Meet S in the frequency range of 5.49-6.39GHz11<The requirement of -10dB.VSWR（Voltage standing wave ratio）Curve as shown in figure 4,
VSWR is met at 2.52-2.73GHz, 3.5-3.8GHz and 5.5-6.39GHz<2 requirement.Fig. 5 and Fig. 6 sets forth
The E faces of three frequency slot antennas and H faces directional diagram under 3.6GHz.
In sum, three frequencies slot antenna configurations proposed by the present invention are simple, compact dimensions, be easily integrated, be easy to processing
And antenna performance is excellent, the mobile communication terminal of WiMAX is highly suitable to be applied for.
General principle of the invention, principal character and advantage has been shown and described above, do not depart from spirit of the invention and
On the premise of scope, the present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention
Scope.
Claims (3)
1. the medium substrate of three frequency slot antennas of coplanar wave guide feedback, including one side coating metal layer, it is characterised in that：It is described
Metal level on be etched with coplanar wave guide feedback part, the L-type gap and mushroom gap radiation face of loading in parallel, co-planar waveguide
Feed section includes two parallel signal transmission gaps and central metal conduction band, is loaded on bars transmission gap therein
The middle part for having the first L-type gap of end short circuit, another bars transmission gap disconnects, and is loaded respectively in the end for disconnecting position
There are the second L-type gap and the 3rd L-type gap of end short circuit, the second L-type gap and the 3rd L-type gap constitute 180 ° of phase shifts
Device, the first L-type gap and the second L-type gap are symmetrical axial symmetry with the center line of central metal conduction band, and central metal conduction band prolongs
Extend the inside in mushroom gap radiation face and be loaded with semicircle conduction band in its end.
2. three frequency slot antennas of coplanar wave guide feedback according to claim 1, it is characterised in that：Described medium substrate
Using Rogers R4003C, its length L is 28mm, and width W is 24mm, and thickness is 0.8mm, and metal level is copper, metal layer thickness
It is 18 μm.
3. three frequency slot antennas of coplanar wave guide feedback according to claim 1, it is characterised in that：Described co-planar waveguide
Feed section length L1=6mm, central metal conduction band width W1=2.13mm, signal transmission gap width g1=0.15mm, L-type seam
Gap length L6=7mm, L-type slit bends partial-length L7=3.8mm, L-type gap width g2=0.15mm, between 180 ° of phase shifters
Metal conduction band width W2=1.8mm, L-type gap to mushroom gap radiation face apart from L2=7mm, the extension of central metal conduction band
To the length L3=3.2mm in mushroom gap radiation face, the radius L4=3.6mm of semicircle conduction band, mushroom gap radiation face end
Hold the length L5=10.8mm away from signal transmission gap end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082142.0A CN106785379A (en) | 2017-02-15 | 2017-02-15 | Three frequency slot antennas of coplanar wave guide feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082142.0A CN106785379A (en) | 2017-02-15 | 2017-02-15 | Three frequency slot antennas of coplanar wave guide feedback |
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| Publication Number | Publication Date |
|---|---|
| CN106785379A true CN106785379A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710082142.0A Pending CN106785379A (en) | 2017-02-15 | 2017-02-15 | Three frequency slot antennas of coplanar wave guide feedback |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742550A (en) * | 2019-03-07 | 2019-05-10 | 南京邮电大学 | A kind of antenna system for the low backward radiation loading M shape artificial magnetic conductor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2635228A1 (en) * | 1986-06-05 | 1990-02-09 | Rammos Emmanuel | Plane array antenna including supply lines printed as coplanar guides cooperating with recesses made in the earth plane |
| JPH09199935A (en) * | 1996-01-12 | 1997-07-31 | Eikichi Yamashita | Coplaner slot antenna |
| US6198437B1 (en) * | 1998-07-09 | 2001-03-06 | The United States Of America As Represented By The Secretary Of The Air Force | Broadband patch/slot antenna |
| CN101102011A (en) * | 2007-07-12 | 2008-01-09 | 上海交通大学 | Coplanar wave guide feedback broadband circle polarized millimeter wave plane gap antenna |
| CN201149899Y (en) * | 2008-01-18 | 2008-11-12 | 东南大学 | Multiple stop band ultra-broadband disc aerial for feeding coplanar waveguide |
| TW200847524A (en) * | 2007-05-24 | 2008-12-01 | Univ Southern Taiwan Tech | A miniaturized three-frequency rhombus coplanar waveguide antenna |
| CN104241819A (en) * | 2014-07-16 | 2014-12-24 | 华南理工大学 | Dual-module broadband circular polarization wide slot antenna |
| CN105552549A (en) * | 2016-01-29 | 2016-05-04 | 厦门大学 | Coplanar waveguide feed triple-band antenna applied to WLAN/WiMAX |
-
2017
- 2017-02-15 CN CN201710082142.0A patent/CN106785379A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2635228A1 (en) * | 1986-06-05 | 1990-02-09 | Rammos Emmanuel | Plane array antenna including supply lines printed as coplanar guides cooperating with recesses made in the earth plane |
| JPH09199935A (en) * | 1996-01-12 | 1997-07-31 | Eikichi Yamashita | Coplaner slot antenna |
| US6198437B1 (en) * | 1998-07-09 | 2001-03-06 | The United States Of America As Represented By The Secretary Of The Air Force | Broadband patch/slot antenna |
| TW200847524A (en) * | 2007-05-24 | 2008-12-01 | Univ Southern Taiwan Tech | A miniaturized three-frequency rhombus coplanar waveguide antenna |
| CN101102011A (en) * | 2007-07-12 | 2008-01-09 | 上海交通大学 | Coplanar wave guide feedback broadband circle polarized millimeter wave plane gap antenna |
| CN201149899Y (en) * | 2008-01-18 | 2008-11-12 | 东南大学 | Multiple stop band ultra-broadband disc aerial for feeding coplanar waveguide |
| CN104241819A (en) * | 2014-07-16 | 2014-12-24 | 华南理工大学 | Dual-module broadband circular polarization wide slot antenna |
| CN105552549A (en) * | 2016-01-29 | 2016-05-04 | 厦门大学 | Coplanar waveguide feed triple-band antenna applied to WLAN/WiMAX |
Non-Patent Citations (2)
| Title |
|---|
| 冯雪健等: "一种四频段多L型缝隙天线研究与设计", 《电波科学学报》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742550A (en) * | 2019-03-07 | 2019-05-10 | 南京邮电大学 | A kind of antenna system for the low backward radiation loading M shape artificial magnetic conductor |
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