CN207517890U - A kind of multiple-input and multiple-output mimo antenna - Google Patents
A kind of multiple-input and multiple-output mimo antenna Download PDFInfo
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- CN207517890U CN207517890U CN201721443643.9U CN201721443643U CN207517890U CN 207517890 U CN207517890 U CN 207517890U CN 201721443643 U CN201721443643 U CN 201721443643U CN 207517890 U CN207517890 U CN 207517890U
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Abstract
The utility model discloses a kind of multiple-input and multiple-output mimo antenna, applied to a terminal, including：Medium substrate, wherein, the first surface of the medium substrate is copper clad layers；At least two antenna elements are arranged on the short frame of the terminal, and are spaced pre-determined distance between two neighboring antenna element；Wherein, each antenna element at least two antenna element includes a gap and a microstrip feed line, the gap of each antenna element is arranged in the copper clad layers, and the gap of same antenna unit and microstrip feed line are separately positioned on orthogonal manner on the different surfaces of the medium substrate.For solving the technical issues of existing mimo antenna performance is low, the performance of mimo antenna is improved.
Description
Technical field
The utility model is related to field of communication technology, more particularly to a kind of multiple-input and multiple-output mimo antenna.
Background technology
With continuous improvement of the various terminals to demand data, traditional single antenna has been increasingly difficult to deal with huge nothing
Requirement of the line data transmission to signal real-time and high reliability, thus in existing wireless communications technology, frequently with based on sky
When treatment technology MIMO (Multi-input-Multi-output, i.e. Multiinputoutput) antenna, improved with this given
Frequency range in the availability of frequency spectrum, and then promoted the data transmission capacity upper limit.
Since mimo antenna is substantially a kind of multi-antenna technology, unavoidably bring antenna area occupied is larger to ask
Topic, in hand-held mobile terminal, excessive antenna area not only has compressed the occupancy of circuit in mobile terminal, battery and associate member
Space, while improve antenna manufacture cost.And if compressing the area of mimo antenna, and necessarily cause to do with frequency between antenna
It disturbs, signal coupling is excessive, the problem of isolation is poor.
As it can be seen that existing mimo antenna performance is relatively low.
Utility model content
The utility model embodiment provides a kind of multiple-input and multiple-output mimo antenna, is used for solving existing mimo antenna
The technical issues of performance is low improves the performance of mimo antenna.
The utility model embodiment provides a kind of multiple-input and multiple-output mimo antenna, applied to a terminal, including：
Medium substrate, wherein, the first surface of the medium substrate is copper clad layers；
At least two antenna elements are arranged on the short frame of the terminal, and are spaced between two neighboring antenna element pre-
If distance；
Wherein, each antenna element at least two antenna element includes a gap and a microstrip feed line, institute
The gap for stating each antenna element is arranged in the copper clad layers, and the gap of same antenna unit and microstrip feed line are with orthogonal manner
It is separately positioned on the different surfaces of the medium substrate.
First antenna unit includes the first gap, and the length in first gap at least two antenna element
During more than a preset length, the first antenna unit includes first switch, and the first switch is arranged on first gap
At interior first position, wherein, when the first switch is in first switch state, the first antenna unit can work
In the first frequency range, when the first switch is in second switch state, the first antenna unit can operate at it is described
The second different frequency range of first frequency range.
Optionally, when at least two antenna element all includes gap of the length more than the preset length, phase
Isolation between adjacent two antenna elements is more than a default isolation.
Optionally, at least two antenna element includes further including the second antenna element outside the first antenna unit,
Third antenna unit and the 4th antenna element, wherein, the first antenna unit and second antenna element are about the end
The central symmetry at end is placed, and the third antenna unit and the 4th antenna element are put about the central symmetry of the terminal
It puts, the length in the second gap that second antenna element includes and the equal length in first gap, the third antenna
The equal length in the 4th gap that the length in the third gap that unit includes includes with the 4th antenna element, wherein, it is described
The second place in second gap sets a second switch, and the on off state of the second switch has the first switch shape
State and the second switch state.
Optionally, when the first switch and the second switch are in the first switch state, described first
Antenna element and second antenna element can work in first frequency range.
Optionally, when the first switch and the second switch are in the second switch state, described first
Antenna element, second antenna element, the third antenna unit and the 4th antenna element can work in described
Second frequency range.
Optionally, the first position where the first switch to the first end in first gap length, with
It the second position where the second switch and is stitched to the equal length of the second end in second gap with the third
The equal length of gap, during so that the first switch and the second switch being in the second switch state, described first
Antenna element, second antenna element, the third antenna unit and the 4th antenna element can work in described
Second frequency range.
Optionally, the distance of the end in each gap to each neighbouring short frame is equal.
Optionally, when the terminal includes a metal edge frame, the copper clad layers weld together with the metal edge frame,
So that the medium substrate is by the seamless package of the metal edge frame.
On the other hand, the utility model embodiment additionally provides a kind of terminal for including mimo antenna as described above.
Said one or multiple technical solutions in the utility model embodiment at least have following one or more technologies
Effect：
In the technical solution of the utility model embodiment, devise including the medium substrate that first surface is copper clad layers,
Be arranged on the short frame of terminal, and be spaced between two neighboring antenna element pre-determined distance at least two antenna elements it is how defeated
Enter multi output mimo antenna, that is to say, that the utility model devise it is a kind of can directly be set on the short frame of terminal to
The multiple-input and multiple-output mimo antenna of few two antenna elements is no longer confined to can only to set antenna element on short frame
Situation, so as to improve the performance of mimo antenna.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type.
Fig. 1 is that a kind of multiple-input and multiple-output mimo antenna provided in the utility model embodiment one includes first antenna list
Structure diagram when member 301 and the second antenna element 302；
Fig. 2 is first antenna unit in a kind of multiple-input and multiple-output mimo antenna provided in the utility model embodiment one
301 structure diagram；
Fig. 3 is in the short side of terminal in a kind of multiple-input and multiple-output mimo antenna provided in the utility model embodiment one
The structure diagram of the antenna element of two long gaps is set on frame；
Fig. 4 is that a kind of multiple-input and multiple-output mimo antenna provided in the utility model embodiment one includes four antennas
One of which structure diagram during unit；
Fig. 5 is that a kind of multiple-input and multiple-output mimo antenna provided in the utility model embodiment one includes four antennas
Another structure diagram during unit；
Fig. 6 is that a kind of multiple-input and multiple-output mimo antenna provided in the utility model embodiment one includes four antennas
Another structure diagram during unit；
Fig. 7 is the structure diagram of a kind of terminal provided in the utility model embodiment two.
Specific embodiment
The utility model embodiment provides a kind of multiple-input and multiple-output mimo antenna, is used for solving existing mimo antenna
The technical issues of performance is low improves the performance of mimo antenna.
For the technical scheme in the embodiment of the utility model to solve the technical issues of above-mentioned, general thought is as follows：
A kind of multiple-input and multiple-output mimo antenna, applied to a terminal, including：
Medium substrate, wherein, the first surface of the medium substrate is copper clad layers；
At least two antenna elements are arranged on the short frame of the terminal, and are spaced between two neighboring antenna element pre-
If distance；
Wherein, each antenna element at least two antenna element includes a gap and a microstrip feed line, institute
The gap for stating each antenna element is arranged in the copper clad layers, and the gap of same antenna unit and microstrip feed line are with orthogonal manner
It is separately positioned on the different surfaces of the medium substrate.
In the technical solution of the utility model embodiment, devise including the medium substrate that first surface is copper clad layers,
Be arranged on the short frame of terminal, and be spaced between two neighboring antenna element pre-determined distance at least two antenna elements it is how defeated
Enter multi output mimo antenna, that is to say, that the utility model devise it is a kind of can directly be set on the short frame of terminal to
The multiple-input and multiple-output mimo antenna of few two antenna elements is no longer confined to can only to set antenna element on short frame
Situation, so as to improve the performance of mimo antenna.
In order to better understand the above technical scheme, below by attached drawing and specific embodiment to the utility model technology
Scheme is described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to the utility model
The detailed description of technical solution rather than the restriction to technical solutions of the utility model, in the absence of conflict, this practicality
Technical characteristic in new embodiment and embodiment can be combined with each other.
In specific implementation process, the mimo antenna can be applied to terminal, mentioned in the utility model embodiment
Terminal includes but not limited to：Smart mobile phone (such as Android phone, IOS mobile phones), tablet computer, laptop, palm electricity
The electronic equipments such as brain, wearable intelligent equipment or other electronic equipment, just differ one schematically illustrates herein.Either where
Kind terminal, all includes a short frame and long margin frame.
Embodiment one
The utility model embodiment one provides a kind of multiple-input and multiple-output mimo antenna, applied to a terminal, including：
Medium substrate 10, wherein, the first surface of medium substrate 10 is copper clad layers 20；
At least two antenna elements 30, are arranged on the short frame of the terminal, and are spaced between two neighboring antenna element
Pre-determined distance；
Wherein, each antenna element at least two antenna elements 30 includes a gap and a microstrip feed line, described
The gap of each antenna element is arranged in copper clad layers 20, and the gap of same antenna unit and microstrip feed line are distinguished with orthogonal manner
It is arranged on the different surfaces of medium substrate 10.First antenna unit 301 is specifically included at least two antenna element 30
During with the second antenna element 302, as shown in Figure 1.
In specific implementation process, medium substrate 10 is the basic material for manufacturing pcb board, can be made of poor conductor.
Copper clad layers 20 can be that good conductor (PEC), FR4 copper-clad plates, Rogers's plate, etc. are made.It is every at least two antenna elements 30
A antenna element is powered with coupling feed way to gap, that is to say, that each antenna element is specially slot antenna.
In addition, in the utility model embodiment, in order in the radiance for ensureing the mimo antenna simultaneously, further
Simplify the design complexities of antenna, the width value in the gap of each antenna element can be by ability at least two antenna elements 30
The technical staff in domain is set according to actual needs, and just differ one has been illustrated herein.
In the utility model embodiment, the gap of each antenna element to each other cannot at least two antenna elements 30
Overlap, moreover, those skilled in the art be not limited only to design by carrying out cracking this approach on medium substrate 10 it is every
A antenna element gap can also set the seam of each antenna element according to the needs of the actual performance to the mimo antenna
Gap, just differ one has been illustrated herein.
In the utility model embodiment, at least two antenna elements 30 in each antenna element gap shape, tool
Body can be U-shaped, can also be L-shaped, can also be C-shaped, but no matter which kind of mode is placed, the gap of each antenna element
It need to be placed with microstrip feed line with orthogonal manner, for example, in when vertically the opening up two gaps of short frame of the terminal, accordingly
One feeder line vertical with corresponding gap is each also included by the antenna element that the two gaps form.
In the utility model embodiment, in order to further improve the performance of antenna, at least two antenna elements
For any one antenna element in 30, specifically, as shown in Fig. 2, the first antenna at least two antenna elements 30
Unit 301 include the first gap 3011, and the length in the first gap 3011 be more than a preset length when, first antenna unit 301
Including first switch 3012, first switch 3012 is arranged at the first position in the first gap 3011, wherein, work as first switch
3012 when being in first switch state, and first antenna unit 301 can operate at the first frequency range, when first switch 3012 is in the
During two on off states, first antenna unit 301 can operate at second frequency range different from first frequency range.
In specific implementation process, the preset length can be specifically those skilled in the art according to the terminal-pair
Set by the actual needs of antenna performance, when long gap is in the first gap 3011, it can be inserted at the first position in it
Entering first switch 3012, first switch 3012 is specifically as follows the diode with two kinds of working conditions of "ON" and "Off", and first
Switch 50 can switch between first switch state and second switch state both states, for example, in "On" state and
"Off" state switches between the two, and when first switch 3012 is "On" state, first antenna unit 301 can operate at low
Frequency range, when first switch 3012 is "Off" state, first antenna unit 301 can operate at high band.
In the utility model embodiment, in order to further improve the performance of the mimo antenna, described MIMO days
Each antenna element at least two antenna elements 30 of line, can also be the antenna element including long gap, and can set
It puts on the short frame of the terminal, by taking at least two antenna elements 30 include two antenna elements as an example, specific setting is such as
Shown in Fig. 3.In specific implementation process, in order to further improve the performance of the mimo antenna, in day as shown in Figure 3
In cable architecture, a switch can be set in each long gap, in addition, all including a length at least two antenna elements 30 respectively
When degree is more than the gap of the preset length, the isolation between two neighboring antenna element is more than a default isolation.Having
In body implementation process, frequency diversity technique may be used to ensure the isolation between antenna element, be arranged on the terminal
At least two antenna elements of short frame when being the antenna element including long gap, due between two neighboring antenna element
Isolation it is larger, therefore in specific implementation process, without additionally setting decoupling arrangements, further ensure that a day knot
While structure is simplified, the performance of mimo antenna is improved.
In the utility model embodiment, since two can be set on the short frame of the terminal more than described simultaneously
The gap of preset length further can set two gap lengths to be more than default length simultaneously on the short frame of the terminal
The antenna element of degree, and after setting, the performance of the mimo antenna is still ensured that, further, described in guarantee
While mimo antenna radiance, setting simultaneously one it can also be more than the preset length on the short frame of the terminal
As soon as gap composition antenna element and be less than the preset length gap composition antenna element, herein not one by one
It has been illustrated.
In the utility model embodiment, the mimo antenna specifically can also be to be made of four antenna elements, specifically
For, at least two antenna elements 30 include first antenna unit 301, the second antenna element 302, third antenna unit 303, and the
Four antenna elements 304, specific setting are as shown in Figure 4.Wherein, 301 and second antenna element 302 of first antenna unit is about described
The central symmetry of terminal is placed, and 303 and the 4th antenna element 304 of third antenna unit is put about the central symmetry of the terminal
It puts, the length in the second gap 3021 that the second antenna element 302 includes and the equal length in the first gap 3011, third antenna list
The equal length in the 4th gap 3041 that the length in the third gap 3031 that member 303 includes includes with the 4th antenna element 304,
In, the second place in the second gap 3021 sets a second switch 3022, and the on off state of second switch 3022 has institute
State first switch state and the second switch state.
In specific implementation process, the first switch state ratio is in first switch 3012 and second switch 3022
During such as "On" state, 301 and second antenna element 302 of first antenna unit can work in covering GSM850/900 (824~
960MHz) first frequency range of frequency range.Specifically, the resonant path of first antenna unit 301 is the first gap 3011, the
The resonant path of two antenna elements 302 is the second gap 3021, in specific implementation process, the first gap 3011, the second gap
3021 length, width, position and corresponding microstrip feed line position can influence specific resonance, those skilled in the art
Member can need to set the first gap 3011, the length in the second gap 3021, width, position and right according to practical design
The position for the microstrip feed line answered, just differ one has been illustrated herein.
In specific implementation process, the second switch state ratio is in first switch 3012 and second switch 3022
During such as "Off" state, the first end in the first gap 3011 is to the length of the first position, the length phase with third gap 3031
Deng, the second end in the second gap 3021 is to the length of the second position, the equal length with third gap 3031, at this point, the
One antenna element 301, the second antenna element 302, third antenna unit 303, the 4th antenna element 304 can work in described
Second frequency range, specifically, four antenna elements can cover GSM1800/1900/UMTS/LTE2300/2500 this five
High-frequency band.
In specific implementation process, the second switch state ratio is in first switch 3012 and second switch 3022
During such as "Off" state, the Net long wave radiation length in the first gap 3011 and the second gap 3021 is length of the switch to gap end.
Respectively there are two resonance in high-frequency band for four antenna elements.The switch in the first gap 3011 and the second gap 3021 arrives opening
Path length mainly influences the first high-frequency resonant frequency point of respective antenna element；The length in 3031 and the 4th gap 3041 of third gap
Degree influences the first high-frequency resonant frequency point of respective antenna element；Effect length of four antenna elements from microstrip feed line to opening is each
From the second high-frequency resonant frequency point of antenna element.
In the utility model embodiment, when including two long gaps and two short gaps for four antenna elements,
First antenna unit 301, the second antenna element 302, third antenna unit 303, the 4th antenna element 304 can also be such as Fig. 5 institutes
The mode shown is configured, and can be configured in a manner of as shown in Figure 6, in addition, four antenna elements can also be including
The antenna element (for example, high frequency 1710-2690MHz, low frequency 824-960MHz) of four long gaps, can also be short including four
The antenna element (high frequency 1710-2690MHz) in gap, certainly, those skilled in the art can also be according to the terminal-pair days
The actual needs of isolation and antenna element radiance between line unit, to selecting the antenna element of different numbers, with
And antenna element gap length and carry out corresponding position setting, just differ one has been illustrated herein.
In the utility model embodiment, in order to further improve the performance of the mimo antenna, at least two days
The end in each gap of each antenna element is equal to each distance for closing on short frame in line unit 30.It had been embodied
Cheng Zhong, when at least two antenna elements 30 are four antenna elements, each gap end is corresponded on the frame of the terminal
Opening, totally four openings, are each open equal to the distance for closing on short frame, further ensure that the spoke of the mimo antenna
Penetrate performance.
In the utility model embodiment, in order to further improve the radiance of the mimo antenna, in the terminal
During including a metal edge frame, copper clad layers 20 weld together with the metal edge frame, so that medium substrate 10 is by the metal edges
Frame is seamless package.Specifically, for based on the metal edge frame symmetrical structure, due to opening up the side of opening on its frame
Formula is opened up compared with asymmetric manner for the mode of opening, increasingly complex in design, since the utility model can be in the terminal
The metal edge frame on when opening up symmetrical opening, ensure the preferable radiance of mimo antenna, then be embodied
Cheng Zhong, can also be by opening up asymmetrical opening on the metal edge frame of the terminal.In addition, it is for the terminal
For this electronic equipment of asymmetric frame, the opening of other forms can also be opened up, to ensure the mimo antenna
Radiance, just differ one has been illustrated herein.
Embodiment two
Based on conceiving with one same utility model of the utility model embodiment, Fig. 7, the utility model embodiment are please referred to
A kind of terminal is additionally provided, including：
Multiple-input and multiple-output mimo antenna；
Wherein, the mimo antenna includes：
Medium substrate 10, wherein, the first surface of medium substrate 10 is copper clad layers 20；
At least two antenna elements 30, are arranged on the short frame of the terminal, and are spaced between two neighboring antenna element
Pre-determined distance；
Wherein, each antenna element at least two antenna elements 30 includes a gap and a microstrip feed line, described
The gap of each antenna element is arranged in copper clad layers 20, and the gap of same antenna unit and microstrip feed line are distinguished with orthogonal manner
It is arranged on the different surfaces of medium substrate 10.First antenna unit 301 is specifically included at least two antenna element 30
During with the second antenna element 302, as shown in Figure 1.
Although the preferred embodiment of the utility model has been described, those skilled in the art once know substantially
Creative concept, then additional changes and modifications may be made to these embodiments.So appended claims are intended to be construed to wrap
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of multiple-input and multiple-output mimo antenna, applied to a terminal, which is characterized in that including：
Medium substrate, wherein, the first surface of the medium substrate is copper clad layers；
At least two antenna elements, are arranged on the short frame of the terminal, and be spaced between two neighboring antenna element it is default away from
From；
Wherein, each antenna element at least two antenna element includes a gap and a microstrip feed line, described every
The gap of a antenna element is arranged in the copper clad layers, and the gap of same antenna unit and microstrip feed line are distinguished with orthogonal manner
It is arranged on the different surfaces of the medium substrate.
2. mimo antenna as described in claim 1, which is characterized in that the first antenna list at least two antenna element
Member include the first gap, and the length in first gap be more than a preset length when, the first antenna unit include first
Switch, the first switch are arranged at the first position in first gap, wherein, when the first switch is in first
During on off state, the first antenna unit can operate at the first frequency range, when the first switch is in second switch state
When, the first antenna unit can operate at second frequency range different from first frequency range.
3. mimo antenna as claimed in claim 2, which is characterized in that all include a length at least two antenna element
More than the preset length gap when, the isolation between two neighboring antenna element is more than a default isolation.
4. mimo antenna as claimed in claim 2, which is characterized in that at least two antenna element includes described first day
The second antenna element, third antenna unit and the 4th antenna element are further included outside line unit, wherein, the first antenna unit and
Second antenna element is placed about the central symmetry of the terminal, the third antenna unit and the 4th antenna element
Central symmetry about the terminal is placed, the length in the second gap that second antenna element includes and first gap
Equal length, the Fpir Crevices that the length in the third gap that the third antenna unit includes and the 4th antenna element include
The equal length of gap, wherein, the second place in second gap sets a second switch, the switch of the second switch
State has the first switch state and the second switch state.
5. mimo antenna as claimed in claim 4, which is characterized in that be in the first switch and the second switch
During the first switch state, the first antenna unit and second antenna element can work in first frequency
Section.
6. mimo antenna as claimed in claim 4, which is characterized in that be in the first switch and the second switch
During the second switch state, the first antenna unit, second antenna element, the third antenna unit and described
Four antenna elements can work in second frequency range.
7. mimo antenna as claimed in claim 6, which is characterized in that the first position where the first switch to institute
The length of the first end in the first gap is stated, the second position where with the second switch to the second of second gap
The equal length at end, and with the equal length in the third gap so that the first switch and the second switch are in
During the second switch state, the first antenna unit, second antenna element, the third antenna unit and described
Four antenna elements can work in second frequency range.
8. mimo antenna as claimed in claim 4, which is characterized in that the end in each gap to each neighbouring short frame away from
From equal.
9. mimo antenna as described in claim 1, which is characterized in that described to cover when the terminal includes a metal edge frame
Layers of copper welds together with the metal edge frame, so that the medium substrate is by the seamless package of the metal edge frame.
10. a kind of terminal, which is characterized in that including：
Mimo antenna as described in claim 1 to 9 any one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443643.9U CN207517890U (en) | 2017-10-31 | 2017-10-31 | A kind of multiple-input and multiple-output mimo antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443643.9U CN207517890U (en) | 2017-10-31 | 2017-10-31 | A kind of multiple-input and multiple-output mimo antenna |
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| CN207517890U true CN207517890U (en) | 2018-06-19 |
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| CN201721443643.9U Active CN207517890U (en) | 2017-10-31 | 2017-10-31 | A kind of multiple-input and multiple-output mimo antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799902A (en) * | 2017-10-31 | 2018-03-13 | 珠海市魅族科技有限公司 | A kind of multiple-input and multiple-output mimo antenna |
| CN110190391A (en) * | 2019-06-20 | 2019-08-30 | 维沃移动通信有限公司 | Antenna and mobile terminal |
-
2017
- 2017-10-31 CN CN201721443643.9U patent/CN207517890U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799902A (en) * | 2017-10-31 | 2018-03-13 | 珠海市魅族科技有限公司 | A kind of multiple-input and multiple-output mimo antenna |
| CN107799902B (en) * | 2017-10-31 | 2024-05-14 | 珠海市魅族科技有限公司 | MIMO antenna and terminal |
| CN110190391A (en) * | 2019-06-20 | 2019-08-30 | 维沃移动通信有限公司 | Antenna and mobile terminal |
| CN110190391B (en) * | 2019-06-20 | 2021-09-24 | 维沃移动通信有限公司 | Antenna and mobile terminal |
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