CN108682943A - The miniature antenna of compatible 5G and Wi-Fi/WiMax frequency ranges - Google Patents
The miniature antenna of compatible 5G and Wi-Fi/WiMax frequency ranges Download PDFInfo
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- CN108682943A CN108682943A CN201810619049.3A CN201810619049A CN108682943A CN 108682943 A CN108682943 A CN 108682943A CN 201810619049 A CN201810619049 A CN 201810619049A CN 108682943 A CN108682943 A CN 108682943A
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- frequency ranges
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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
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- 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
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Abstract
The invention discloses the miniature antennas of a kind of compatible 5G and Wi Fi/WiMax frequency ranges, including the dielectric coatings assembled from bottom to top and metal radiation face；The metal radiation face includes Y type planar monopole and feed co-planar waveguide of coplanar installation, and it is connected to the trident feed line of Y types planar monopole, band-like tuning arm, it is connected to the folded metal frame of feed co-planar waveguide ground level, and is loaded respectively in Y type planar monopole and the radiating slot on feed co-planar waveguide.The antenna can meet the application demand of compatibility 5G frequency ranges and the terminal of work on hand frequency range while 5G is commercial to be faced, have many advantages, such as size it is small, it is easy to process, be easy to it is conformal install, radiance stabilization in broadband.
Description
Technical field
The invention belongs to electromagnetic antenna technical fields, and in particular to a kind of compatible 5G and Wi-Fi/WiMax frequency ranges it is small-sized
Change antenna.
Background technology
Currently, the commercialization of 5G is extremely urgent, to its research and development also because of mobile Internet business and wireless internet of things industry
The fast development of business and pushed rapidly.Particularly, METIS (the mobile and that European Union started in 2012
Wirelessation enables for the 2020information society) project, the research direction of 5G is done
A series of regulation is gone out.Compared to 4G, flux density, transmission rate, the connection terminal device quantity of 5G communications can all have substantially
The promotion of degree；Meanwhile the time delay of 5G end-to-end communications will also be reduced to original 1/5th, and the low energy power consumption of its terminal
Pond usage time also has 10 times of extension.After 5G communications are widely used, the interconnection between people and object will become can
Can, to which splendid user experience can also be brought.
Due to existing available frequency band more congestion, and in view of being incited somebody to action after 5G mobile communication is commercial and Internet of Things mature
Can existing a large number of users, the research center of gravity of many researchers concentrates on the terminal device for millimeter wave frequency band and base station
The research of antenna part.But enter business phase to the transition stage of the fully developed maturation of millimetre-wave attenuator, 5G in 5G communications
Mobile communication and existing mobile communication, including 4G, WiFi, WiMAX etc. between good transition with it is compatible, be one particularly significant
The problem of, therefore design a broadband day that can be compatible with 5G frequency ranges and existing common communications band (WiFi/WiMax) simultaneously
Line and array have a very important significance.
Invention content
Present invention aim to address the above problems, provide a kind of miniaturization day of compatible 5G and Wi-Fi/WiMax frequency ranges
Line is a compatible 5G Mid Frequencies and WiFi/WiMax frequency ranges, can be operated in the miniaturization monopole antenna of 2.4-3.5GHz, can
To meet the application demand for being compatible with 5G frequency ranges and the terminal of work on hand frequency range while 5G is commercial to be faced, there is size
It is small, easy to process, be easy to conformal installation, the features such as radiance is stablized in broadband.
In order to solve the above technical problems, the technical scheme is that：A kind of compatible 5G and Wi-Fi/WiMax frequency ranges it is small
Type antenna, including the dielectric coatings assembled from bottom to top and metal radiation face；The metal radiation face includes the Y of coplanar installation
Type planar monopole and feed co-planar waveguide, and it is connected to the trident feed line of Y types planar monopole, band-like tuning arm,
It is connected to the folded metal frame of feed co-planar waveguide ground level, and is loaded respectively in Y type planar monopole and the coplanar wave of feed
The radiating slot led.
Preferably, the dielectric thickness of the dielectric coatings be the ㎜ of 1.0 ㎜~1.6, dielectric material dielectric constant be 4.0~
4.5。
Preferably, the longitudinal size in the metal radiation face is the ㎜ of 28 ㎜~32, and lateral dimension is the ㎜ of 19 ㎜~21.
Preferably, the longitudinal size of Y types planar monopole is the ㎜ of 12 ㎜~13, and lateral dimension is the ㎜ of 15 ㎜~20.
Preferably, the longitudinal size of the feed co-planar waveguide is the ㎜ of 3 ㎜~5, and lateral dimension is the ㎜ of 5 ㎜~7.
Preferably, the minimum bending length of folded metal frame is the ㎜ of 4 ㎜~6, remaining bending length equal difference gradual change, difference
For the ㎜ of 0.4 ㎜~0.6.
Preferably, the lateral dimension of trident feed line is the ㎜ of 3 ㎜~5, and line width is the ㎜ of 0.8 ㎜~1.2.
Preferably, the lateral dimension of the band-like tuning arm is the ㎜ of 8 ㎜~10, and longitudinal size is the ㎜ of 2 ㎜~4, and width is
The ㎜ of 0.8 ㎜~1.2.
Preferably, the gap width of the radiating slot is the ㎜ of 0.4 ㎜~0.6.
Preferably, laterally and longitudinally radiating slot length of the load on the right side of Y type planar monopole is distributed in equal difference, laterally
Gap minimum gap length is the ㎜ of 17 ㎜~18, and difference is the ㎜ of 1.8 ㎜~2.2, and longitudinal slot minimum gap length is 7 ㎜, poor
Value is the ㎜ of 1.2 ㎜~1.4.
The miniature antenna of compatible 5G and Wi-Fi/WiMax frequency ranges provided by the present invention has the advantages that：
1, the antenna can meet the requirement of compatible 5G Mid Frequencies and WiFi/WiMAX frequency ranges in frequency range, and can cope with will
The commercial demand of the 5G communications of arrival；
2, the antenna is easy to composition miniaturization array smaller in seize than the stock size size of equal frequencies paster antenna
Or carry out syntype design with terminal and front end；
3, the antenna can be improved and optimize to relevant parameter according to actual needs, so can adapt to respectively base station and
Terminal uses：If when towards base station, thus it is possible to vary antenna medium, antenna material etc., to adapt to the huge transmitting work(of antenna for base station
Rate；In terminaloriented, can further make antenna miniaturization, improve antenna radiation efficiency, and further promoted antenna every
From degree；
4, in general, the miniature antenna of compatible 5G and Wi-Fi/WiMax frequency ranges provided by the present invention has size
It is small, easy to process, be easy to conformal installation, the features such as radiance is stablized in broadband, there is very strong practicability, be worth in industry
Interior popularization.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention compatible 5G and the miniature antenna of Wi-Fi/WiMax frequency ranges；
Fig. 2 is the metal radiation face schematic diagram of the present invention compatible 5G and the miniature antenna of Wi-Fi/WiMax frequency ranges；
Fig. 3 is the schematic diagram in kind of the present invention compatible 5G and the miniature antenna of Wi-Fi/WiMax frequency ranges；
Fig. 4 is the return loss schematic diagram of the present invention compatible 5G and the miniature antenna of Wi-Fi/WiMax frequency ranges；
The radiation that Fig. 5 is the compatible 5G of the present invention with the miniature antenna of Wi-Fi/WiMax frequency ranges at 2.4GHz, 3.5GHz
Directional diagram, Fig. 5 (a) are E surface radiation directional diagram of the antenna in 2.4GHz, and Fig. 5 (b) is antenna in the H surface radiations direction of 2.4GHz
Figure, Fig. 5 (c) are E face directional diagram of the antenna in 3.5GHz, and Fig. 5 (d) is H face directional diagram of the antenna in 3.5GHz；
Fig. 6 present invention is compatible with the wideband gain schematic diagram of 5G and the miniature antenna of Wi-Fi/WiMax frequency ranges.
Reference sign：1, dielectric coatings；2, metal radiation face；3, Y types planar monopole；4, co-planar waveguide is fed；
5, folded metal frame；6, trident feed line；7, band-like tuning arm；8, radiating slot.
Specific implementation mode
The present invention is described further in the following with reference to the drawings and specific embodiments：
As shown in Figs. 1-3, the miniature antenna of compatibility 5G and Wi-Fi/WiMax frequency ranges of the invention, including dielectric coatings 1
With metal radiation face 2, metal radiation face 2 includes Y type planar monopoles 3, feed co-planar waveguide 4, folded metal frame 5, trident
Halberd feed line 6, band-like tuning arm 7, radiating slot 8.Dielectric coatings 1 and metal radiation face 2 are assembled from bottom to top.Y type plane lists
Extremely son 3 and feed 4 coplanar installation of co-planar waveguide, Y types planar monopole 3 are connected with trident feed line 6, band-like tuning arm 7,
Feed 4 ground level of co-planar waveguide is connected with folded metal frame 5, radiating slot 8 load respectively in Y types planar monopoles 3 and
It feeds on co-planar waveguide 4.
The dielectric thickness of dielectric coatings 1 is preferably the ㎜ of 1.0 ㎜~1.6, and dielectric material dielectric constant is preferably 4.0~4.5,
Its primarily serve protection radiating slot 8, improve Antenna Impedance Matching, in broadband stabilized antenna radiation direction effect.
The longitudinal size in metal radiation face 2 is preferably the ㎜ of 28 ㎜~32, and lateral dimension is preferably the ㎜ of 19 ㎜~21.Y types are flat
The longitudinal size of face monopole 3 is preferably the ㎜ of 12 ㎜~13, and lateral dimension is preferably the ㎜ of 15 ㎜~20.Y type planar monopoles 3
The rational space using radiating element is played, and reduces the effect of the low-frequency resonant frequency of patch.Feed co-planar waveguide 4
Longitudinal size be preferably the ㎜ of 3 ㎜~5, lateral dimension is preferably the ㎜ of 5 ㎜~7.Co-planar waveguide, which has, ensures that aerial signal is complete
Property, improve integrated circuit density, a series of advantages such as radiation loss is small, design flexibility is high.Y types planar monopole 3 and feed
Co-planar waveguide 4 forms basic metal radiation face, and good impedance matching and radiation characteristic can be maintained in wide-band.
The minimum bending length of folded metal frame 5 is preferably the ㎜ of 4 ㎜~6, remaining bending length equal difference gradual change, and difference is excellent
It is selected as the ㎜ of 0.4 ㎜~0.6.The effect of folded metal frame 5 is to increase antenna current paths and reduces antenna resonance dot frequency,
It is the core of antenna miniaturization.
The lateral dimension of trident feed line 6 is preferably the ㎜ of 3 ㎜~5, and line width is preferably the ㎜ of 0.8 ㎜~1.2.Trident is presented
Electric wire 6 for adjusting Antenna Impedance Matching, on antenna resonant frequency influence it is as small as possible in the case of improve antenna echo damage
Consumption.
The lateral dimension of band-like tuning arm 7 is preferably the ㎜ of 8 ㎜~10, and longitudinal size is preferably the ㎜ of 2 ㎜~4, and width is preferred
For the ㎜ of 0.8 ㎜~1.2, it is located at antenna feeder both sides.The effect of band-like tuning arm 7 is to generate two resonance points, exhibition
Wide antenna frequency band, and adjust antenna return loss.
The gap width of radiating slot 8 is preferably the ㎜ of 0.4 ㎜~0.6, Y types monopole is loaded on respectively and is fed coplanar
In waveguide.It loads 8 length of laterally and longitudinally radiating slot on 3 right side of Y types planar monopole to be distributed in equal difference, transverse slot is most
Small gap length is preferably the ㎜ of 17 ㎜~18, and difference is preferably the ㎜ of 1.8 ㎜~2.2, and longitudinal slot minimum gap length is preferably 7
㎜, difference are preferably the ㎜ of 1.2 ㎜~1.4.The effect of radiating slot 8 is to generate multiple resonance frequency points to broaden the beamwidth of antenna.
In the present embodiment, the miniature antenna of compatible 5G and Wi-Fi/WiMax frequency ranges provided by the invention is according to as follows
It is prepared by preferred parameter design：The dielectric thickness of dielectric coatings 1 is 1.6 ㎜, and dielectric material dielectric constant is 4.4；Metal radiation face 2
Longitudinal size be 30 ㎜, lateral dimension is 20 ㎜, which is fitted on dielectric coatings, and metal radiation face thickness is
0.018㎜；The longitudinal size of Y type planar monopoles 3 is 12.5 ㎜, and lateral dimension is 18 ㎜；Feed the longitudinal direction of co-planar waveguide 4
Size is 4 ㎜, and lateral dimension is 6 ㎜；The minimum bending length of folded metal frame 5 is 5 ㎜, remaining bending length equal difference is gradually
Become, difference is 0.5 ㎜；The lateral dimension of trident feed line 6 is 3 ㎜ -5 ㎜, and line width is 0.8 ㎜ -1.2 ㎜；Band-like tuning arm
7 lateral dimension is 9 ㎜, and longitudinal size is 3 ㎜, and band-like tuning arm width is 1 ㎜, is located at antenna feeder both sides；Spoke
The gap width for penetrating gap 8 is 0.5 ㎜, loads on Y types monopole and feed co-planar waveguide, is loaded in Y type monopoles respectively
The laterally and longitudinally gap length on right side is distributed in equal difference, and transverse slot minimum gap length is 17.4 ㎜, and difference is 2 ㎜, is indulged
It is 7 ㎜ to gap minimum gap length, difference is 1.3 ㎜.
It will carry out that the principle of the present invention is described in further detail below, preferably to show that the present invention's is excellent
Point：Y types planar monopole 3 of the present invention effectively plays saving day under the premise of ensureing antenna current paths
Space of lines, the effect of miniature antenna volume, and folded metal frame 5 plays and increases antenna current paths and to reduce antenna humorous
The effect of vibration frequency, is further ensured that antenna miniaturization.Trident feed line 6 is played to the greatest extent may be used on antenna resonant frequency influence
Improve the effect of antenna return loss in the case that energy is small：On the one hand, Y type planar monopoles can be enabled using trident feeding classification
There is Surface current distribution on sub 3 patches better consistency to increase antenna to improve the stability of input impedance
Bandwidth of operation；On the other hand, due between planar monopole and the impedance of feeder line there are huge difference, increase feed-in
Path can also play the role of impedance between balancing antenna and feeder line, thus can play the effect of impedance matching.Band-like tune
The use of humorous arm 7 is that antenna increases an additional resonance frequency point, because antenna itself is considered as an aobvious capacitance characteristic
The shunt circuits RLC, and band-like tuning arm 7 can then be considered as a RLC series loop, two equivalent independences in circuit, so as to
To generate two different resonance points, to have the function that broaden antenna frequency band.Further, load of the present invention
Radiating slot method reaches by increasing different gaps on Y types planar monopole 3 and feed co-planar waveguide 4 and is seen as antenna increasing
The effect for adding different current paths plays the role of generating multiple resonance frequency points to broaden the beamwidth of antenna.The monopole day
Line can directly be connected with the coaxial transmission line that characteristic impedance is 50 Ω, without complicated impedance shift design, therefore
Its antenna design under conditions of can be widely applied in simplification, miniaturization and the confined space.
As Figure 4-Figure 6, the performance of compatible 5G provided by the present invention and the miniature antenna of Wi-Fi/WiMax frequency ranges
It is：2.4GHz-3.5GHz bandwidth of operation internal antenna return loss be less than -10dB, gain be more than 1.5dBi, and
Directional diagram at 2.5GHz and 3.2GHz has stronger consistency, and the radiation characteristic with omnidirectional antenna.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.This field
Those of ordinary skill can make according to the technical disclosures disclosed by the invention various does not depart from the other each of essence of the invention
The specific variations and combinations of kind, these variations and combinations are still within the scope of the present invention.
Claims (10)
1. a kind of miniature antenna of compatible 5G and Wi-Fi/WiMax frequency ranges, it is characterised in that：Including Jie assembled from bottom to top
Matter coating (1) and metal radiation face (2)；The metal radiation face (2) includes Y types planar monopole sub (3) and the feedback of coplanar installation
Electric co-planar waveguide (4), and it is connected to the trident feed line (6) of Y types planar monopole sub (3), band-like tuning arm (7), connection
In the folded metal frame (5) of feed co-planar waveguide (4) ground level, and load respectively total in Y types planar monopole sub (3) and feed
Surface wave leads the radiating slot (8) on (4).
2. the miniature antenna of compatible 5G and Wi-Fi/WiMax frequency ranges according to claim 1, it is characterised in that：It is described
The dielectric thickness of dielectric coatings (1) is the ㎜ of 1.0 ㎜~1.6, and dielectric material dielectric constant is 4.0~4.5.
3. the miniature antenna of compatible 5G and Wi-Fi/WiMax frequency ranges according to claim 1, it is characterised in that：It is described
The longitudinal size in metal radiation face (2) is the ㎜ of 28 ㎜~32, and lateral dimension is the ㎜ of 19 ㎜~21.
4. according to the miniature antenna of any compatibility 5G and Wi-Fi/WiMax frequency ranges of claim 1-3, feature exists
In：The longitudinal size of the Y types planar monopole sub (3) is the ㎜ of 12 ㎜~13, and lateral dimension is the ㎜ of 15 ㎜~20.
5. according to the miniature antenna of any compatibility 5G and Wi-Fi/WiMax frequency ranges of claim 1-3, feature exists
In：The longitudinal size of the feed co-planar waveguide (4) is the ㎜ of 3 ㎜~5, and lateral dimension is the ㎜ of 5 ㎜~7.
6. according to the miniature antenna of any compatibility 5G and Wi-Fi/WiMax frequency ranges of claim 1-3, feature exists
In：The minimum bending length of folded metal frame (5) is the ㎜ of 4 ㎜~6, remaining bending length equal difference gradual change, difference be 0.4 ㎜~
0.6㎜。
7. according to the miniature antenna of any compatibility 5G and Wi-Fi/WiMax frequency ranges of claim 1-3, feature exists
In：The lateral dimension of trident feed line (6) is the ㎜ of 3 ㎜~5, and line width is the ㎜ of 0.8 ㎜~1.2.
8. according to the miniature antenna of any compatibility 5G and Wi-Fi/WiMax frequency ranges of claim 1-3, feature exists
In：The lateral dimension of the band-like tuning arm (7) is the ㎜ of 8 ㎜~10, and longitudinal size is the ㎜ of 2 ㎜~4, and width is 0.8 ㎜~1.2
㎜。
9. according to the miniature antenna of any compatibility 5G and Wi-Fi/WiMax frequency ranges of claim 1-3, feature exists
In：The gap width of the radiating slot (8) is the ㎜ of 0.4 ㎜~0.6.
10. the miniature antenna of compatible 5G and Wi-Fi/WiMax frequency ranges according to claim 9, it is characterised in that：Load
Laterally and longitudinally radiating slot (8) length on the right side of Y types planar monopole sub (3) is distributed in equal difference, transverse slot minimum gap
Length be the ㎜ of 17 ㎜~18, difference be the ㎜ of 1.8 ㎜~2.2, longitudinal slot minimum gap length be 7 ㎜, difference be 1.2 ㎜~
1.4㎜。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619049.3A CN108682943B (en) | 2018-06-15 | 2018-06-15 | Miniaturized antenna compatible with 5G and Wi-Fi/WiMax frequency bands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619049.3A CN108682943B (en) | 2018-06-15 | 2018-06-15 | Miniaturized antenna compatible with 5G and Wi-Fi/WiMax frequency bands |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108682943A true CN108682943A (en) | 2018-10-19 |
| CN108682943B CN108682943B (en) | 2020-01-14 |
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2018
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| CN101320837A (en) * | 2008-07-17 | 2008-12-10 | 上海联能科技有限公司 | Ultra-wideband antenna based on composite right/left-handed transmission line |
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| CN108682943B (en) | 2020-01-14 |
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