CN106848559A - A kind of multifrequency antenna of coplanar wave guide feedback - Google Patents
A kind of multifrequency antenna of coplanar wave guide feedback Download PDFInfo
- Publication number
- CN106848559A CN106848559A CN201710082153.9A CN201710082153A CN106848559A CN 106848559 A CN106848559 A CN 106848559A CN 201710082153 A CN201710082153 A CN 201710082153A CN 106848559 A CN106848559 A CN 106848559A
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- Prior art keywords
- line
- rabbet joint
- detail
- coplanar
- right angle
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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
- 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
-
- 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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Abstract
The invention discloses a kind of multifrequency antenna of coplanar wave guide feedback, medium substrate including single layer coating metal level, coplanar waveguide feeder line is etched with metal level, impedance matching detail and two symmetrical right angle bending line of rabbet joint detail radiating surfaces, the line of rabbet joint detail of end short circuit is loaded with two symmetrical radiating surfaces, impedance matching detail is the slot line structure of terminal open circuit, the impedance matching detail parallel connection is carried on the middle conduction band of coplanar waveguide feeder line, it is connected away from the two bars transmission gap end of coplanar waveguide feeder line input right angle bending line of rabbet joint detail radiating surface symmetrical with two respectively.Simple structure of the present invention, it is easy to process, antenna performance is excellent, is highly suitable to be applied in cordless communication terminal system.
Description
Technical field
The invention belongs to wireless telecommunications system technical field, and in particular to a kind of multifrequency antenna of coplanar wave guide feedback.
Background technology
With developing rapidly for wireless technology, related communication apparatus becomes more diverse.At present, device for mobile communication into
It is the daily necessities that people carry with, such as notebook computer, mobile phone, personal digital assistant.These electronic products are logical
Cross antenna transmitting and receive radio wave and carry out the transmission of signal and exchange.LET（Long Term Evolution, for a long time
Evolution）The implementation of technology so that wireless telecommunication system must support that MIMO technique, i.e., related electronic product can pass through
Multigroup antenna transmitting/receiving wireless signal, to increase the handling capacity and transmitting range of data.Multigroup antenna often makes electronic product more
Plus it is heavy, and traditional single-band antenna cannot meet the demand of LET communications.And with the propulsion of LET technologies, band requirement is more next
More, the frequency for covering can be divided into 44 frequency ranges from minimum 698MHz to highest 3800MHz.Due to frequency range dispersion and
In a jumble, even if system industry person still can simultaneously use multiple frequency ranges in areal.In this case, how to design and meet transmission
The antenna of demand, while taking into account multiband, miniaturization, planar structure and easy of integration etc., it has also become one of target that industry is made great efforts.
The content of the invention
Present invention solves the technical problem that there is provided one kind covers multiple frequency ranges, and have low cost, simple structure, small concurrently
The multifrequency antenna of the coplanar wave guide feedback of the features such as type, high-gain and function admirable, the multifrequency antenna is presented using co-planar waveguide
Electricity, its mode is simple, and is loaded with impedance matching network so that the size of antenna is substantially smaller than same type antenna size.
The present invention is to solve above-mentioned technical problem to adopt the following technical scheme that, a kind of multifrequency antenna of coplanar wave guide feedback,
Medium substrate including single layer coating metal level, it is characterised in that：Coplanar waveguide feeder line, impedance are etched with described metal level
Matching detail and two symmetrical right angle bending line of rabbet joint detail radiating surfaces, two symmetrical right angle bending line of rabbet joint details
End short circuit, impedance matching detail is the slot line structure of terminal open circuit, and the impedance matching detail parallel connection is carried in co-planar waveguide feedback
On the middle conduction band of line, the two bars transmission gap end away from coplanar waveguide feeder line input is symmetrical with two respectively
Right angle bending line of rabbet joint detail radiating surface connection.
Further preferably, described multifrequency antenna is fed using single port, the middle conduction band of coplanar waveguide feeder line, two letters
Number transmission gap and the ground on both sides collectively form feed port.
Further preferably, described two symmetrical right angle bending line of rabbet joint detail radiating surfaces include coming two it is symmetrical
The right angle bending type line of rabbet joint detail of 5 times and load on the line of rabbet joint detail of the end short circuit between adjacent right angle bending detail and be total to back and forth
With generation 0.92-0.94GHz, 2.3-2.33GHz, 3.42-3.48GHz, 4.4-4.46GHz, 5.72-5.8GHz, 7.86-8GHz
Frequency range.
Further preferably, the length L=16.8mm of described medium substrate, width W=12.05mm, thickness h=0.8mm are situated between
The material of matter substrate is Rogers R4003C, and dielectric constant is 3.38, and metal level is copper, and the thickness of metal level is 0.017mm.
Further preferably, the length LX=15.2mm of described coplanar waveguide feeder line, wherein be 6mm for the length of feeder line,
The width W1=2.3mm of middle conduction band, the width g1=0.15mm in signal transmission gap, parallel connection is carried in the middle of coplanar waveguide feeder line
The length L1=2mm of the line of rabbet joint detail of the terminal open circuit of conduction band, its signal transmission gap width g2=0.15mm, its end is away from coplanar
Waveguide feeder input apart from L2=6mm, two symmetrical right angles being connected with the bars of coplanar waveguide feeder line two transmission gap
The length L3=12.8mm of line of rabbet joint detail radiating surface is bent, its end is away from coplanar waveguide feeder line input apart from L4=3mm, right angle
The width g3=0.15mm in bending line of rabbet joint detail signal transmission gap, at right angle, the end of bending line of rabbet joint detail radiating surface loading is short
The length L5=12mm of the line of rabbet joint detail on road, its two ends is far from right angle bending line of rabbet joint detail apart from W3=0.57mm, and two symmetrical
Right angle bends ground level size L6=1mm of the line of rabbet joint detail at away from coplanar waveguide feeder line input port direction, and it is along length side
To ground level L7=1mm.
Compared with prior art, the present invention has the following advantages：The antenna that the present invention is provided covers copper medium substrate using one side
It is made, overall structure can be processed using traditional PCB technology and realized, with low cost, and the antenna that the present invention is provided is using branch
Section bending meander technology, two bending type radiating surfaces substantially reduce the size of antenna without ground level, whole medium substrate
Size is only 12*15.8mm, therefore multifrequency antenna proposed by the present invention realizes miniaturization, and feed is simple, therefore with very
Use value high.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is overall structure size marking figure of the invention；
It is S of the invention that Fig. 4 is11Curve result of calculation；
Fig. 5 is VSWR of the invention（Voltage standing wave ratio）As a result.
In figure：1st, medium substrate, 2, metal level, 3, coplanar waveguide feeder line, 4, impedance matching detail, 5, the right angle bending line of rabbet joint
Detail radiating surface, 6, the line of rabbet joint detail of end short circuit, 7, middle conduction band, 8, signal transmission gap.
Specific embodiment
Particular content of the invention is described in detail with reference to accompanying drawing.As Figure 1-3, the multifrequency day of a kind of coplanar wave guide feedback
Line, including single layer coating metal level 2 medium substrate 1, be etched with coplanar waveguide feeder line 3, impedance matching on described metal level 2
Detail 4 and two symmetrical right angles bend line of rabbet joint detail radiating surface 5, and end is loaded with two symmetrical detail radiating surfaces
The line of rabbet joint detail 6 of terminal shortcircuit, impedance matching detail 4 is the slot line structure of terminal open circuit, and the parallel connection of impedance matching detail 4 is carried in
On the middle conduction band 7 of coplanar waveguide feeder line 3 and away from the input of coplanar waveguide feeder line 3, away from the input of coplanar waveguide feeder line 3
Symmetrical with the two respectively right angle bending line of rabbet joint detail radiating surface 5 in the two bars transmission end of gap 8 be connected.
Described multifrequency antenna is fed using single port, the bars of the middle conduction band 7 and two transmission seam of coplanar waveguide feeder line 3
Gap 8 collectively forms feed port with the ground of the both sides of coplanar waveguide feeder line 3；Two described symmetrical right angle bending line of rabbet joint branch
Section radiating surface 5 is two symmetrical 5 right angle bending type line of rabbet joint details back and forth and loads on the adjacent right angle bending type line of rabbet joint
Between detail end short circuit line of rabbet joint detail 6, these details generate jointly 0.92-0.94GHz, 2.3-2.33GHz,
3.42-3.48GHz, 4.4-4.46GHz, 5.72-5.8GHz, 7.86-8GHz frequency range.
The length L=16.8mm of described medium substrate 1, width W=12.05mm, thickness h=0.8mm, medium substrate 1
Material is Rogers R4003C, and dielectric constant is 3.38, and metal level 2 is copper, and the thickness of metal level 2 is 0.017mm；Described is total to
The length LX=15.2mm of coplanar waveguide transmission line, including the L2 parts for feeder line, its length is 6mm, middle conduction band 7
Width W1=2.13mm, the width g1=0.15mm in signal transmission gap 8, parallel connection are carried in the middle conduction band 7 of coplanar waveguide feeder line 3
The length L1=2mm of the line of rabbet joint detail 6 of terminal open circuit, the width g2=0.15mm in its signal transmission gap, its end is away from coplanar ripple
Lead the input of feeder line 3 apart from L2=6mm, be connected with the two bars transmission gap 8 of coplanar waveguide feeder line 3 two are symmetrical
Right angle bends the length L3=12.8mm of line of rabbet joint detail radiating surface 5, and its end is away from the input of coplanar waveguide feeder line 3 apart from L4=
3mm, the width g3=0.15mm in right angle bending line of rabbet joint detail signal transmission gap, bend line of rabbet joint detail radiating surface 5 and load at right angle
End short circuit line of rabbet joint detail 6 length L5=12mm, its two ends far from right angle bending line of rabbet joint detail apart from W3=0.57mm, two
Ground level size L6=1mm of the individual symmetrical right angle bending line of rabbet joint detail at away from the input port direction of coplanar waveguide feeder line 3,
Its ground level L7=1mm along its length.
The S of the multifrequency antenna11Curve result of calculation is as shown in figure 3, in 0.92-0.94GHz, 2.3-2.33GHz, 3.42-
Meet S in 3.48GHz, 4.4-4.46GHz, 5.72-5.8GHz and 7.86-8GHz frequency range11The requirement of≤- 10dB.
The VSWR curves of the multifrequency antenna are as shown in figure 4, in 0.92-0.94GHz, 2.3-2.33GHz, 3.42-3.48GHz
And meet VSWR in 4.4-4.46GHz frequency ranges<2 requirement.
Multifrequency antenna proposed by the present invention increased the resonance point of antenna using detail meander technology, realize multifrequency day
The characteristic of line, and right angle bending line of radiation face is almost not required to ground level, substantially reduces the overall dimensions of antenna, its size is only
It is 15*12mm.In sum, simple structure of the present invention, it is easy to process, antenna performance is excellent, be highly suitable to be applied for channel radio
In letter terminal system.
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 (5)
1. a kind of medium substrate of multifrequency antenna of coplanar wave guide feedback, including single layer coating metal level, it is characterised in that：It is described
Metal level on be etched with coplanar waveguide feeder line, impedance matching detail and two symmetrical right angles bending line of rabbet joint details radiation
Face, two symmetrical right angle bending line of rabbet joint detail end short circuits, impedance matching detail is the slot line structure of terminal open circuit, should
Impedance matching detail parallel connection is carried on the middle conduction band of coplanar waveguide feeder line, away from two letters of coplanar waveguide feeder line input
Number transmission gap end it is symmetrical with two respectively right angle bending line of rabbet joint detail radiating surface be connected.
2. the multifrequency antenna of coplanar wave guide feedback according to claim 1, it is characterised in that：Described multifrequency antenna is used
Single port feeds, and the ground of the middle conduction band, two bars transmission gap and both sides of coplanar waveguide feeder line collectively forms feed port.
3. the multifrequency antenna of coplanar wave guide feedback according to claim 1, it is characterised in that：Described two are symmetrically
Right angle bending line of rabbet joint detail radiating surface include carrying out two symmetrical right angle bending type line of rabbet joint details of 5 times back and forth and load on phase
The line of rabbet joint detail of the end short circuit between adjacent right angle bending detail produces 0.92-0.94GHz, 2.3-2.33GHz, 3.42- jointly
3.48GHz, 4.4-4.46GHz, 5.72-5.8GHz, 7.86-8GHz frequency range.
4. the multifrequency antenna of coplanar wave guide feedback according to claim 1, it is characterised in that：The length of described medium substrate
Degree L=16.8mm, width W=12.05mm, thickness h=0.8mm, the material of medium substrate is Rogers R4003C, and dielectric constant is
3.38, metal level is copper, and the thickness of metal level is 0.017mm.
5. the multifrequency antenna of coplanar wave guide feedback according to claim 1, it is characterised in that：Described coplanar waveguide feeder line
Length LX=15.2mm, wherein for feeder line length be 6mm, the width W1=2.13mm of middle conduction band, signal transmission gap
Width g1=0.15mm, parallel connection is carried in the length L1=of the line of rabbet joint detail of the terminal open circuit of conduction band in the middle of coplanar waveguide feeder line
2mm, its signal transmission gap width g2=0.15mm, its end away from coplanar waveguide feeder line input apart from L2=6mm, it is and coplanar
Two symmetrical right angles that the bars of waveguide feeder two transmission gap is connected bend the length L3=of line of rabbet joint detail radiating surface
12.8mm, away from coplanar waveguide feeder line input apart from L4=3mm, right angle bends line of rabbet joint detail signal transmission gap for its end
Width g3=0.15mm, the length L5=12mm of the line of rabbet joint detail of the end short circuit of bending line of rabbet joint detail radiating surface loading at right angle,
Far from right angle bending line of rabbet joint detail apart from W3=0.57mm, two symmetrical right angles bend line of rabbet joint detail away from coplanar at its two ends
Ground level size L6=1mm at waveguide feeder input port direction, its ground level L7=1mm along its length.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082153.9A CN106848559B (en) | 2017-02-15 | 2017-02-15 | Multifrequency antenna of coplanar waveguide feed |
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| CN201710082153.9A CN106848559B (en) | 2017-02-15 | 2017-02-15 | Multifrequency antenna of coplanar waveguide feed |
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| CN106848559B CN106848559B (en) | 2023-07-25 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681274A (en) * | 2017-11-20 | 2018-02-09 | 河南师范大学 | A kind of electronically small antenna applied to radio communication |
| CN107834191A (en) * | 2017-12-19 | 2018-03-23 | 河南师范大学 | A kind of single-screw slot antenna of coplanar wave guide feedback |
| CN107959111A (en) * | 2017-11-20 | 2018-04-24 | 河南师范大学 | A kind of double frequency electricity small gap antenna |
| CN108051455A (en) * | 2017-12-18 | 2018-05-18 | 河南师范大学 | A kind of microwave remote sensor for being used to measure biological sample dielectric property |
| CN108088858A (en) * | 2017-12-18 | 2018-05-29 | 河南师范大学 | A kind of double-frequency broadband microwave remote sensor |
| CN108169573A (en) * | 2017-12-18 | 2018-06-15 | 河南师范大学 | Small sample dielectric property detection device based on microchannel electric-field enhancing |
| CN108226651A (en) * | 2017-12-18 | 2018-06-29 | 河南师范大学 | Measured zone electric-field enhancing type dielectric constant measuring apparatus |
| CN108254624A (en) * | 2017-12-18 | 2018-07-06 | 河南师范大学 | Electrolyte electrical parameter measuring device under microwave frequency |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681274A (en) * | 2017-11-20 | 2018-02-09 | 河南师范大学 | A kind of electronically small antenna applied to radio communication |
| CN107959111A (en) * | 2017-11-20 | 2018-04-24 | 河南师范大学 | A kind of double frequency electricity small gap antenna |
| CN107681274B (en) * | 2017-11-20 | 2023-11-21 | 河南师范大学 | Electric small antenna applied to wireless communication |
| CN107959111B (en) * | 2017-11-20 | 2024-03-08 | 河南师范大学 | Dual-frequency electric small slot antenna |
| CN108051455A (en) * | 2017-12-18 | 2018-05-18 | 河南师范大学 | A kind of microwave remote sensor for being used to measure biological sample dielectric property |
| CN108088858A (en) * | 2017-12-18 | 2018-05-29 | 河南师范大学 | A kind of double-frequency broadband microwave remote sensor |
| CN108169573A (en) * | 2017-12-18 | 2018-06-15 | 河南师范大学 | Small sample dielectric property detection device based on microchannel electric-field enhancing |
| CN108226651A (en) * | 2017-12-18 | 2018-06-29 | 河南师范大学 | Measured zone electric-field enhancing type dielectric constant measuring apparatus |
| CN108254624A (en) * | 2017-12-18 | 2018-07-06 | 河南师范大学 | Electrolyte electrical parameter measuring device under microwave frequency |
| CN108226651B (en) * | 2017-12-18 | 2023-06-06 | 河南师范大学 | Measurement area electric field enhanced dielectric constant measurement device |
| CN107834191A (en) * | 2017-12-19 | 2018-03-23 | 河南师范大学 | A kind of single-screw slot antenna of coplanar wave guide feedback |
| CN107834191B (en) * | 2017-12-19 | 2020-01-17 | 河南师范大学 | Single spiral slot antenna of coplanar waveguide feed |
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| CN106848559B (en) | 2023-07-25 |
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