CN107317103A - A kind of integral type dual-antenna system - Google Patents
A kind of integral type dual-antenna system Download PDFInfo
- Publication number
- CN107317103A CN107317103A CN201710486467.5A CN201710486467A CN107317103A CN 107317103 A CN107317103 A CN 107317103A CN 201710486467 A CN201710486467 A CN 201710486467A CN 107317103 A CN107317103 A CN 107317103A
- Authority
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- China
- Prior art keywords
- feed
- antenna
- connecting line
- metallic plate
- integral type
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses integral type dual-antenna system, it includes metallic plate (1), the first feed (2), the second feed (5), feed connecting line I (3), feed connecting line II (6), resonance connecting line (8) and drop coupled structure (10)；Described the first feed (2) and the second feed (5), is respectively used to the signal feeding of first antenna and the second antenna；Described feed connecting line I (3) and feed connecting line II (6), is respectively used to the impedance regulation of first antenna and the second antenna；Described resonance connecting line (8), the regulation resonant frequency for two antennas；Described drop coupled structure (10), for reducing the coupling between antenna and realizing high-isolation.Due to dropping the effect of coupled structure, the dual-antenna system can produce high-isolation S12 (can reach 40dB).Because the antenna can be integrated with integrated two antennas, antenna size is greatlyd save, isolation is improved.
Description
Technical field
The present invention relates to a kind of mobile communications device and other wireless devices, particularly a kind of integral type double antenna system
System.
Background technology
With the fast development and the raising of people's demand of wireless communication technology, increasing antenna needs to be integrated in small
Among the wireless device of type, this just proposes higher requirement to antenna technology.But with the development in wireless device market, nothing
The volume of line equipment is less and less, causes the distance between antenna increasingly nearer, so that the coupling increase between causing antenna.My god
The enhancing of line coupling can cause the interference problem between antenna increasingly to protrude, and reduce sensitivity and the communication distance of antenna, lead
Cause antenna performance low.
In existing antenna technology, multiple antennas need independent foundation, with larger size.And in order to realize antenna
Between high-isolation (S12), the distance between antenna need ensure be more than half wavelength, otherwise be difficult to realize high-isolation,
This is just unfavorable for the implementation and application of antenna；Other prior arts are to set up drop coupled structure between antennas, but the party
Method can improve implementation cost and occupy substantial amounts of space.In a word, prior art has volume big, and enforcement difficulty is big, and performance is low
The features such as lower.
In order to solve problem above, the present invention proposes brand-new technical scheme, and the technical scheme is desirably integrated into any
Among wireless device, with very strong application prospect.
The content of the invention
The present invention proposes two antenna structures to become one, and forms a dual-antenna system, this is just greatly reduced
The distance between space and antenna shared by antenna.And in the integrated drop coupled structure of inner antenna, three in one is realized small-sized
Change and high-isolation.
A kind of integral type dual-antenna system of the present invention, it includes metallic plate, the first feed, the second feed, feed connection
Line I, feed connecting line II, resonance connecting line and drop coupled structure；Described the first feed and the second feed is connected to metallic plate,
It is respectively used to the signal feeding of first antenna and the second antenna；Described feed connecting line I and feed connecting line II, is respectively used to
The impedance regulation of first antenna and the second antenna；Described resonance connecting line is connected to metallic plate, for adjusting resonant frequency；Institute
The drop coupled structure stated, for reducing the coupling between antenna and realizing high-isolation.
Further, in the clearance zone on described metallic plate, first described feed one end connection metallic plate, the other end
The described feed connecting line I of connection；Described feed connecting line I one end is connected to the first feed, and the other end is connected to metallic plate
A bit, constitute first antenna feeding circuit；Component I is connected on described feed connecting line I.
Further, in the clearance zone on described metallic plate, second described feed one end connection metallic plate, the other end
The described feed connecting line II of connection；Described feed connecting line II one end connection second is fed, and the other end is connected to metallic plate
Another point, constitute the second antenna feeding circuit；Component II is connected on described feed connecting line II.
Further, in the clearance zone on described metallic plate, the described one end of resonance connecting line from metallic plate,
Another point of metallic plate is connected to, a resonance circuit is constituted；Component III is connected on described resonance connecting line.
Further, integrated one or more described drop coupled structures in described integral type dual-antenna system；Described
Connection component IV in coupled structure drops.
Further, described drop coupled structure at least one end is connected to metallic plate；Described drop coupled structure be one or
Person is multiple, and it is plane or solid, is not limited with the relative position of antenna.
Further, described drop coupled structure can not limited with multi-terminal link in metallic plate, and tie point position.
Further, described component I, connection component II, component III or component IV is met, it includes electric capacity, electricity
Any combination of four kinds of sense, resistance and wire, or more.
Further, described any combination is tandem compound or parallel combination.
Further, described feed connecting line I, feed connecting line II or resonance connecting line, it is one or more, its
To be plane or three-dimensional.
Further, described drop coupled structure is located at the downside of described integral type double-antenna structure, spatially structure, shape
Shape is not limited.
Further, the connection of described drop coupled structure one end on a metal plate, is stretched in clearance zone and forms T fonts, but
The shape is not limited to again.
Effect of the integral type dual-antenna system of the present invention due to dropping coupled structure, the dual-antenna system can produce it is high every
From degree S12 (- 40dB can be reached).Because the antenna can be integrated with integrated two antennas, antenna size is greatlyd save, is carried
High isolation.
Brief description of the drawings
The first embodiment structural representation of Fig. 1 integral type double antennas；
The second embodiment structural representation of Fig. 2 integral type double antennas；
Fig. 3 integral aerial design sketch.
Wherein：1- metallic plates；2- first is fed；3- feed connecting lines I；4- components I；5- second is fed；6- feeds connect
Wiring II；7- components II；8- resonance connecting lines；9- components III；Coupled structure drops in 10-；11- components IV.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further details to the present invention.
Integral type dual-antenna system of the present invention includes：Metallic plate 1；First feed 2 and the second feed 5, are respectively used to first
The signal feeding of antenna and the second antenna；Connecting line I 3 and feed connecting line II 6 are fed, first antenna and second is respectively used to
The impedance regulation of antenna；Resonate connecting line 8, for adjusting resonant frequency；Coupled structure 10 drops, for reducing the coupling between antenna
Close and realize high-isolation (S12).
Embodiment 1：
As shown in figure 1, in clearance zone on metallic plate 1, first 2 one end of feed connection metallic plate 1, other end connection feedback
Electric connection line I 3.The one end of feed connecting line I 3 is connected to the first feed 2, the other end be connected to metallic plate 1 a bit, constitute the
One feeding circuit.Feed connection component I 4 on connecting line I 3；Component I 4 includes electric capacity, inductance, resistance and wire,
It can also be any combination of four kinds of the above；Component I 4 can be tandem compound or parallel combination；Feed connection
Line I 3 can be one or more, can be that plane can also be three-dimensional.Mainly it is responsible for the resistance of first antenna in the part
Anti- matching.
In clearance zone, second 5 one end of feed connection metallic plate 1, other end connection feed connecting line II 6.Feed connection
The feed 5 of the one end of line II 6 connection second, the other end is connected to another point of metallic plate 1, constitutes second feeding circuit.Feed connects
Component II 7 is connected on wiring II 6, includes any combination of electric capacity, inductance, resistance and wire or four kinds of the above；
Component II 7 can be tandem compound or parallel combination.It can be one or more to feed connecting line II 6, can
To be that plane can also be three-dimensional.Mainly it is responsible for the impedance matching of the second antenna in the part.
Relative position of two feeding circuits in clearance zone is not limited, and the shape of clearance zone and position are not limited.
In clearance zone on metallic plate 1, resonance connecting line 8 is connected to metallic plate 1 from one end of metallic plate 1
It is another, constitute a resonance circuit.Resonate connection component III 9 on connecting line 8, including electric capacity, inductance, resistance and leads
Any combination of four kinds of line or the above.Component III 9 can be tandem compound or parallel combination.Resonance
Connecting line 8 can be one or more, can be that plane can also be three-dimensional.Mainly it is responsible for two days of regulation in the part
The resonant frequency of line.
The shared coupling between resonance circuit, thus two antennas of the dual-antenna system is especially strong, causes day linear
It can decline.In order to reduce coupling between the two, the isolation of lifting between the two, in the dual-antenna system integrated one or
Multiple drop coupled structures 10.The one end of drop coupled structure 10 is connected on metallic plate 1, is stretched in clearance zone and is formed T fonts, but
Its shape is not limited to T-shaped, can be any shape.Connection component IV 11 in coupled structure 10 drops, including electric capacity, inductance,
Any combination of resistance and wire or four kinds of the above.Component IV 11 can be tandem compound or parallel connection
Combination.Position of the coupled structure 10 in clearance zone is dropped not limit；Drop coupled structure 10 at least one end is connected to metallic plate 1, can be with
Multi-terminal link is not limited in metallic plate 1, and tie point position.Drop coupled structure 10 can be one can also be it is multiple, can be with
It is plane or solid.Mainly it is responsible for the coupling between two antennas of reduction in the part.
Embodiment 2：
The embodiment is a distressed structure of embodiment 1, but is not limited to the structure.
As shown in Fig. 2 in clearance zone on metallic plate 1, first 2 one end of feed connection metallic plate 1, other end connection feedback
Electric connection line 3.Feed connecting line 3 one end is connected to the first feed 2, and the other end is connected to a bit of metallic plate 1, constitutes first
Feeding circuit.Feed connection component I 4 on connecting line 3.Component I 4 includes electric capacity, inductance, resistance and wire, can also
It is any combination of four kinds of the above；Component I 4 can be tandem compound or parallel combination；Feeding connecting line 3 can be with
It is one or more, can is that plane can also be three-dimensional.Mainly it is responsible for the impedance matching of first antenna in the part.
In clearance zone, second 5 one end of feed connection metallic plate 1, other end connection feed connecting line 6.Feed connecting line 6
The feed 5 of one end connection second, the other end is connected to another point of metallic plate 1, constitutes second feeding circuit.Feed connecting line 6
Upper connection component II 7, includes any combination of electric capacity, inductance, resistance and wire or four kinds of the above；Component II
7 can be tandem compound or parallel combination；It can be one or more to feed connecting line 6, can be plane
Can be three-dimensional.Mainly it is responsible for the impedance matching of the second antenna in the part.
Relative position of two feeding circuits in clearance zone is not limited, and the shape of clearance zone and position are not limited.
In clearance zone on metallic plate 1, resonance connecting line 8 is connected to metallic plate 1 from one end of metallic plate 1
It is another, constitute a resonance circuit.Resonate connection component III 9 on connecting line 8, including electric capacity, inductance, resistance and leads
Any combination of four kinds of line or the above.Component III 9 can be tandem compound or parallel combination.Resonance
Connecting line 8 can be one or more, can be that plane can also be three-dimensional.Mainly it is responsible for two days of regulation in the part
The resonant frequency of line.
The shared coupling between resonance circuit, thus two antennas of the dual-antenna system is especially strong, causes day linear
It can decline.In order to reduce coupling between the two, the isolation of lifting between the two, in the dual-antenna system integrated one or
Multiple drop coupled structures 10.The drop coupled structure 10 is located at the downside of antenna structure, into stereochemical structure.The one end of coupled structure 10 drops
It is connected on metallic plate 1, into T fonts, but its shape is not limited to T-shaped, can be any shape.Drop and connected in coupled structure 10
Any combination in component IV 11, including electric capacity, inductance, resistance and wire or the above four.Component IV 11 can
To be tandem compound or parallel combination.Drop coupled structure 10 at least one end is connected to metallic plate 1, can be with multi-terminal link
In metallic plate 1, and tie point position is not limited.Drop coupled structure 10 can be one or more, can be plane or
It is three-dimensional.Drop coupled structure 10 and the relative position of antenna are not limited.Mainly it is responsible for the coupling between two antennas of reduction in the part.
As shown in figure 3, which show the design sketch of the antenna.First antenna produces reflectance factor S11, and the second antenna is produced
Reflectance factor S22.Due to drop coupled structure effect, the dual-antenna system can produce high-isolation S12 (can reach-
40dB).Because the antenna can be integrated with integrated two antennas, antenna size is greatlyd save, isolation is improved.
Above-described embodiment is not limited for the present invention preferably embodiment, but embodiments of the present invention by embodiment
System, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification all should
For equivalent substitute mode, it is included within protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that the protection domain defined is defined.
Claims (12)
1. a kind of integral type dual-antenna system, it is characterised in that：Including metallic plate (1), first feed (2), second feed (5),
Feed connecting line I (3), feed connecting line II (6), resonance connecting line (8) and drop coupled structure (10)；The first described feed
(2) and the second feed (5) is connected to described metallic plate (1), it is respectively used to the signal feeding of first antenna and the second antenna；Institute
The feed connecting line I (3) and feed connecting line II (6) stated, is respectively used to the impedance regulation of first antenna and the second antenna；It is described
Resonance connecting line (8) be connected to described metallic plate (1), the resonant frequency for adjusting two antennas；Described drop coupling
Structure (10), for reducing the coupling between antenna and realizing high-isolation.
2. a kind of integral type dual-antenna system according to claim 1, it is characterised in that：On described metallic plate (1)
Clearance zone in, described first feed (2) one end connection metallic plate (1), the described feed connecting line I (3) of other end connection；
Described feed connecting line I (3) one end is connected to the first feed (2), the other end be connected to metallic plate (1) a bit, constitute the
The feeding circuit of one antenna；Component I (4) is connected on described feed connecting line I (3).
3. a kind of integral type dual-antenna system according to claim 2, it is characterised in that：On described metallic plate (1)
Clearance zone in, described second feed (5) one end connection metallic plate (1), the described feed connecting line II of other end connection
(6)；The described feed (5) of feed connecting line II (6) one end connection second, the other end is connected to another point of metallic plate (1), structure
Into the feeding circuit of the second antenna；Component II (7) is connected on described feed connecting line II (6).
4. a kind of integral type dual-antenna system according to claim 3, it is characterised in that：On described metallic plate (1)
Clearance zone in, described resonance connecting line (8) is connected to another point of metallic plate (1) from one end of metallic plate (1),
Constitute a resonance circuit；Component III (9) is connected on described resonance connecting line (8).
5. a kind of integral type dual-antenna system according to claim 4, it is characterised in that：Described integral type double antenna system
Integrated one or more described drop coupled structures (10) in system；Component IV is connected in described drop coupled structure (10)
(11)；It is multiple that described drop coupled structure (10), which is one, and it is plane or solid, is not limited with the relative position of antenna.
6. a kind of integral type dual-antenna system according to claim 5, it is characterised in that：Described drop coupled structure (10)
At least one end is connected to metallic plate (1).
7. a kind of integral type dual-antenna system according to claim 6, it is characterised in that：Described drop coupled structure (10)
Multi-terminal link is not limited in metallic plate (1), tie point position.
8. a kind of integral type dual-antenna system according to claim any one of 2-5, it is characterised in that：Described component
I (4), connection component II (7), component III (9) meet component IV (11), and it includes electric capacity, inductance, resistance and wire,
Or more four kinds of any combination.
9. a kind of integral type dual-antenna system according to claim 8, it is characterised in that：Described any combination is series connection
Combination or parallel combination.
10. a kind of integral type dual-antenna system according to claim 2,3 or 4, it is characterised in that：Described feed connection
Line I (3), feed connecting line II (6) or resonance connecting line (8), it is one or more, and it is plane or three-dimensional.
11. a kind of integral type dual-antenna system according to claim 1, it is characterised in that：Described drop coupled structure
(10) it is located at the downside of described integral type double-antenna structure, spatially structure, shape is not limited.
12. a kind of integral type dual-antenna system according to claim 1,5 or 11, it is characterised in that：Described drop coupling
Structure (10) one end is connected on metallic plate (1), and it is in T fonts that shape is stretched in clearance zone, but is not limited to the structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486467.5A CN107317103A (en) | 2017-06-23 | 2017-06-23 | A kind of integral type dual-antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486467.5A CN107317103A (en) | 2017-06-23 | 2017-06-23 | A kind of integral type dual-antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107317103A true CN107317103A (en) | 2017-11-03 |
Family
ID=60179830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710486467.5A Pending CN107317103A (en) | 2017-06-23 | 2017-06-23 | A kind of integral type dual-antenna system |
Country Status (1)
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137664A (en) * | 2019-05-08 | 2019-08-16 | 清华大学 | A kind of two antenna set at broadband 5G MIMO terminal antenna |
| CN110416687A (en) * | 2018-04-28 | 2019-11-05 | Oppo广东移动通信有限公司 | Electronic device |
| CN110829026A (en) * | 2019-12-06 | 2020-02-21 | 朴海燕 | Isolated ground radiation antenna and MIMO antenna system |
| CN111541464A (en) * | 2020-05-08 | 2020-08-14 | 济南浪潮高新科技投资发展有限公司 | Method and device for increasing isolation between radio frequency multiple channels |
| CN112201951A (en) * | 2020-09-28 | 2021-01-08 | 上海摩勤智能技术有限公司 | Multi-antenna layout structure of antenna bracket and mobile terminal |
| US20210111486A1 (en) * | 2020-12-21 | 2021-04-15 | Intel Corporation | Antenna assembly with isolation network |
| WO2021147666A1 (en) * | 2020-01-21 | 2021-07-29 | 荣耀终端有限公司 | Antenna and terminal device |
| CN113287230A (en) * | 2018-12-27 | 2021-08-20 | 华为技术有限公司 | Antenna device and terminal |
| CN114843779A (en) * | 2022-06-13 | 2022-08-02 | 深圳汉阳天线设计有限公司 | Double-antenna structure with high isolation and design method |
| CN116864985A (en) * | 2023-06-25 | 2023-10-10 | 深圳汉阳天线设计有限公司 | MIMO antenna |
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| CN111541464A (en) * | 2020-05-08 | 2020-08-14 | 济南浪潮高新科技投资发展有限公司 | Method and device for increasing isolation between radio frequency multiple channels |
| CN112201951B (en) * | 2020-09-28 | 2023-03-10 | 上海摩勤智能技术有限公司 | Multi-antenna layout structure of antenna bracket and mobile terminal |
| CN112201951A (en) * | 2020-09-28 | 2021-01-08 | 上海摩勤智能技术有限公司 | Multi-antenna layout structure of antenna bracket and mobile terminal |
| EP4016728A1 (en) * | 2020-12-21 | 2022-06-22 | INTEL Corporation | Antenna assembly with isolation network |
| US20210111486A1 (en) * | 2020-12-21 | 2021-04-15 | Intel Corporation | Antenna assembly with isolation network |
| CN114843779A (en) * | 2022-06-13 | 2022-08-02 | 深圳汉阳天线设计有限公司 | Double-antenna structure with high isolation and design method |
| CN116864985A (en) * | 2023-06-25 | 2023-10-10 | 深圳汉阳天线设计有限公司 | MIMO antenna |
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