CN205595457U - Keep apart multiple isolating device and terminal of overcharging MIMO antenna - Google Patents
Keep apart multiple isolating device and terminal of overcharging MIMO antenna Download PDFInfo
- Publication number
- CN205595457U CN205595457U CN201620259852.7U CN201620259852U CN205595457U CN 205595457 U CN205595457 U CN 205595457U CN 201620259852 U CN201620259852 U CN 201620259852U CN 205595457 U CN205595457 U CN 205595457U
- Authority
- CN
- China
- Prior art keywords
- antenna
- isolating device
- metal level
- groove
- utility
- Prior art date
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a keep apart multiple isolating device and terminal of overcharging MIMO antenna, the utility model discloses an isolating device includes the metal level to and set up the dielectric layer between the metal level, and be equipped with towards the metal level of antenna side on and pierce through the recess of metal level is kept apart the electromagnetic between the adjacent antenna through the combined action realization of metal level, dielectric layer and recess to the poor problem of isolation of the MIMO antenna at terminal among the prior art has effectively been solved.
Description
Technical field
This utility model relates to field of mobile communication, particularly relates to a kind of MIMO mimo antenna of isolating
Isolating device and terminal.
Background technology
MIMO (Multiple-Input Multiple-Output, MIMO) technology refers at transmitting terminal and connects
Receiving end uses multiple transmitting antenna and reception antenna respectively, makes signal pass through multiple skies of transmitting terminal and receiving terminal
Line transmission and reception, thus improve communication quality.It can make full use of space resources, real by multiple antennas
Existing MIMO, in the case of not increasing frequency spectrum resource and antenna launches power, can increase exponentially and be
System channel capacity, demonstrates obvious advantage, is considered the core technology of next generation mobile communication.
But, due to the circumstance complication of terminal, and limited space, so mimo antenna in current terminal
Isolation is poor, is not well positioned to meet the demand of user.
Summary of the invention
This utility model provides a kind of isolating device for improving MIMO mimo antenna isolation and end
End, in order to the problem solving the isolation difference of the mimo antenna of terminal in prior art.
On the one hand, a kind of isolation for improving MIMO mimo antenna isolation that this utility model provides
Device, including:
Described isolating device is connected with the metal-back of terminal, and by described metal-back ground connection, described isolation fills
Being arranged in and appoint between the pre-antenna isolated, described isolating device includes:
Two-layer or the metal level of multilamellar, and it is filled in the dielectric layer between adjacent two metal level, towards
The metal level of described antenna side is provided with the groove penetrating described metal level.
Preferably, described groove is rectangular recess, T-shaped groove or L-type groove.
Preferably, described groove is multiple, and is distributed on the metal level of described antenna side.
Preferably, according to the total length of described groove its towards the electromagnetic wave propagation path of antenna true
Fixed.
Preferably, the total length of described groove be its towards antenna propagate in described dielectric layer
0.4-0.5 waveguide wavelength.
Preferably, towards the metal level of antenna side, away from its towards the minimum distance of antenna be that this antenna exists
0.1-0.25 the waveguide wavelength propagated in described dielectric layer.
Preferably, the width of described groove is 0.15-0.35mm.
Preferably, described dielectric layer is epoxy-ester FR4.
Preferably, described metal level is fixed by multiple short circuit nails with described dielectric layer.
On the other hand, this utility model additionally provides a kind of terminal, and this terminal includes multiple antenna, Yi Jishang
State any one described device.
This utility model has the beneficial effect that:
Isolating device of the present utility model includes metal level, and the dielectric layer being arranged between metal level, and
Metal level towards antenna side is provided with the groove penetrating described metal level, by metal level, dielectric layer and recessed
The common effect of groove realizes the isolation to the electromagnetic wave between adjacent antenna, thus efficiently solves prior art
The problem of the isolation difference of the mimo antenna of middle terminal.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit for ability
Territory those of ordinary skill will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and also
It is not considered as restriction of the present utility model.And in whole accompanying drawing, it is denoted by the same reference numerals phase
Same parts.In the accompanying drawings:
Fig. 1 is a kind of isolation for improving MIMO mimo antenna isolation of this utility model embodiment
The top surface structure schematic diagram of device；
Fig. 2 is a kind of isolation for improving MIMO mimo antenna isolation of this utility model embodiment
The structural representation of the side of device；
Fig. 3 is a kind of isolation for improving MIMO mimo antenna isolation of this utility model embodiment
Device and the matching relationship schematic diagram of antenna；
Fig. 4 be this utility model embodiment another kind for improve MIMO mimo antenna isolation every
The schematic diagram coordinated with antenna from device；
Fig. 5 is to use the isolating device of this utility model embodiment and be provided without isolation dress of the present utility model
The isolation effect contrast schematic diagram put.
Detailed description of the invention
It is more fully described exemplary embodiment of the present utility model below with reference to accompanying drawings.Although it is aobvious in accompanying drawing
Show exemplary embodiment of the present utility model, it being understood, however, that may be realized in various forms this practicality
Novel and should not limited by embodiments set forth here.On the contrary, it is provided that these embodiments are able to more
Thoroughly understand this utility model, and can be by complete for the scope of the present utility model this area that conveys to
Technical staff.
In order to solve the problem of the isolation difference of the mimo antenna of terminal in prior art, this utility model provides
A kind of isolating device for improving MIMO mimo antenna isolation and terminal, of the present utility model every
Metal level, and the dielectric layer being arranged between metal level is included from device, and towards the metal level of antenna side
It is provided with the groove penetrating described metal level, by metal level, dielectric layer and the common effect of groove, it is possible to
Well the electromagnetic wave between adjacent antenna is isolated, thus substantially increase Consumer's Experience.Hereinafter tie
Close accompanying drawing and several embodiment, this utility model is further elaborated.Should be appreciated that herein
Described specific embodiment, only in order to explain this utility model, does not limit this utility model.
This utility model embodiment provides a kind of isolation dress for improving MIMO mimo antenna isolation
Putting, see Fig. 1 and Fig. 2, described isolating device 1 is connected with the metal-back 5 of terminal, and by described metal
Shell 5 ground connection, described isolating device 1 is located between the antenna 2,3 appointing pre-isolation, and described isolating device 1 is wrapped
Include: the metal level 11,12,13 of two-layer or multilamellar, and be filled in adjacent two metal level 11,12,
Dielectric layer 14,15 between 13, the metal level 11,13 towards described antenna side is provided with and penetrates described gold
Belong to the groove 111,112 of layer 13.
This utility model is total to by metal level 11,12,13, dielectric layer 14,15 and groove 111,112
Same-action realizes isolating the electromagnetic wave between adjacent antenna, thus substantially increases Consumer's Experience.
It is to say, this utility model can improve mimo antenna in narrow and small having in the terminal of metal appearance
Isolation.
Fig. 1 is the top surface structure schematic diagram of isolating device of the present utility model, by the end face of isolating device with
The shell of terminal connects, and Fig. 2 is the side structure schematic diagram of isolating device of the present utility model, is embodied as
Time, this side is towards antenna side.
It should be noted that this utility model embodiment only as a example by three-layer metal layer and two layer medium layer to this
The scheme of utility model illustrates, and those skilled in the art can arrange double layer of metal according to actual needs
Layer and the dielectric layer of middle a layer, or more metal level and dielectric layer, when being embodied as, this reality are set
Rectangular recess, T-shaped groove or L-type groove is may be configured as with the groove 111,112 in new embodiment,
Etc..And those skilled in the art can also arrange multiple above-mentioned groove 111,112 according to actual needs,
And groove 111,112 is uniformly arranged on the metal level of described antenna side.
In order to obtain the isolation effect of more preferable electromagnetic wave, rectangular recess is set to T-shaped recessed by this utility model
Groove or L-type groove, i.e. by arranging an electromagnetism derived in the centre of rectangular recess or one end
The groove of ripple, and the area of the groove of entirety can be increased the most to a certain extent, certainly, those skilled in the art is also
The groove of multiple similar derivation can be set according to actual needs.To mainly carry out as a example by T-shaped groove below
Illustrate, according to the total length of each T-shaped groove its towards the electromagnetic wave propagation path of antenna true
Fixed.Concrete, the total length of described T-shaped groove can be set to its towards antenna at described dielectric layer
0.4-0.5 waveguide wavelength of middle propagation, and the width of T-shaped groove is set to 0.15-0.35mm, specifically
During enforcement, the width of the horizontal groove of T-shaped groove is set to 0.2mm, T-shaped groove 2 longitudinal recessed
The width of groove is set to 0.3mm.
In order to obtain more preferable isolation effect, this utility model embodiment the metal level 11 on top layer is set to away from
Its towards the minimum distance of antenna 2 be the 0.1-0.25 that this antenna 2 is propagated in described dielectric layer 14
Individual waveguide wavelength.Concrete as it is shown on figure 3, the metal level of relative first antenna 2 side of isolating device 1, away from
Distance from the nearest side of described first antenna 2 is the 0.1-0.25 that first antenna 2 is propagated in the dielectric layer
Individual waveguide wavelength.Corresponding, the metal level of relative second antenna 3 side of isolating device 1, apart from described
The distance of the end face that the second antenna 3 is nearest is 0.1-0.25 the waveguide that the second antenna 3 is propagated in the dielectric layer
Wavelength.
It should be noted that dielectric layer 14,15 is epoxy-ester FR4 described in this utility model embodiment.And this
The metal level 11,12,13 of utility model embodiment is entered by multiple short circuit nails 112 with dielectric layer 14,15
Row is fixing, the most as shown in Figure 2.
Isolating device described in this utility model embodiment may be used on arbitrarily having in the terminal of multiple antenna.
And the terminal described in this utility model embodiment includes mobile phone etc..
In order to preferably isolating device described in the utility model be illustrated, below in conjunction with Fig. 3 and Fig. 4
Isolating device described in the utility model is illustrated:
Fig. 3 is a kind of isolation for improving MIMO mimo antenna isolation of this utility model embodiment
Device and the matching relationship schematic diagram of antenna, as it is shown on figure 3, the metal of the terminal of this utility model embodiment
Back-cover 4 is provided with the first electric wire 2 and the second antenna 3, and is arranged on the first electric wire 2 and the second antenna
Isolating device 1 between 3, one end of this isolating device 1 is connected to the ground, by three layers of gold by metal shell 5
Belong to plate 11,12,13, two layer medium layer 14,15 and short circuit nail 113 composition, three-ply metal 11,12,
13, two layer medium layer 14,15 is connected together by short circuit nail 113, wherein, and first layer metal plate 11 He
Two T-shaped grooves all opened by second layer metal plate 13.
Compared with Fig. 3, the metal back cover 4 of the terminal of Fig. 4 includes three antennas, the first electric wire 2, second day
Line 3 and third antenna 6, isolating device 1 is exactly on the basis of the isolating device of Fig. 3, the most newly added
One section, i.e. between the first electric wire 2 and the second antenna 3, and the first electric wire 2 and the second antenna 3 it
Between be provided with isolating device 1, realize the electromagnetic wave between adjacent antenna is isolated by isolating device 1.
It should be noted that the structure of isolating device of the present utility model can be entered according to the position of antenna in terminal
Row is arbitrary to be arranged, and the T-shaped structure being such as set in Fig. 4, and other structure, as long as can
Realize the isolation to antenna.
Test proves, the isolating device of this utility model embodiment has the propagation well suppressing surface wave,
Improve the effect of the isolation of antenna, thus improve the radiance of antenna.Concrete, Fig. 5 is to use this
The isolating device of utility model embodiment and be provided without the isolation effect contrast of isolating device of the present utility model
Schematic diagram.As it is shown in figure 5, A curve represent the situation not loading isolation structure, B curve represent loading every
From the situation of structure, can obtain from Fig. 5, after arranging isolating device, the isolation of antenna improves 5
Individual about dB, say, that use isolating device of the present utility model effectively to reduce between antenna
Coupling.
Terminal embodiment
This utility model embodiment provides a kind of terminal, and it is any that this terminal includes described in device embodiment
A kind of device, the terminal described in this utility model embodiment is the terminal arbitrarily with multiple antenna, such as, hands
Machine, panel computer, etc..
Related content in this utility model embodiment can refer to device embodiments and methods embodiment part and carries out
Understand, do not repeat them here.
This utility model at least can bring following beneficial effect:
Isolating device of the present utility model includes metal level, and the dielectric layer being arranged between metal level, and
Metal level towards antenna side is provided with the groove penetrating described metal level, by metal level, dielectric layer and recessed
The common effect of groove, it is possible to well the electromagnetic wave between adjacent antenna is isolated, thus be greatly improved
Consumer's Experience.
Obviously, those skilled in the art this utility model can be carried out various change and modification without deviating from
Spirit and scope of the present utility model.So, if these amendments of the present utility model and modification belong to this reality
Within the scope of novel claim and equivalent technologies thereof, then this utility model is also intended to comprise these changes
With including modification.
Claims (10)
1. the isolating device isolating MIMO mimo antenna, it is characterised in that described isolating device
It is connected with the metal-back of terminal, and by described metal-back ground connection, described isolating device is located at and is appointed pre-isolation
Between antenna, described isolating device includes:
Two-layer or the metal level of multilamellar, and it is filled in the dielectric layer between adjacent two metal level, towards
The metal level of described antenna side is provided with the groove penetrating described metal level.
2. isolating device as claimed in claim 1, it is characterised in that
Described groove is rectangular recess, T-shaped groove or L-type groove.
3. isolating device as claimed in claim 2, it is characterised in that
Described groove is multiple, and is distributed on the metal level of described antenna side.
4. isolating device as claimed in claim 2, it is characterised in that
According to the total length of described groove its towards the electromagnetic wave propagation path of antenna determine.
5. isolating device as claimed in claim 4, it is characterised in that
The total length of described groove be its towards 0.4-0.5 ripple propagating in described dielectric layer of antenna
Guide wavelength.
6. isolating device as claimed in claim 5, it is characterised in that
Towards the metal level of antenna side, away from its towards the minimum distance of antenna be that this antenna is at described medium
0.1-0.25 the waveguide wavelength propagated in Ceng.
7. isolating device as claimed in claim 2, it is characterised in that
The width of described groove is 0.15-0.35mm.
8. isolating device as claimed in claim 2, it is characterised in that
Described dielectric layer is epoxy-ester FR4.
9. the isolating device as described in any one as positive in claim 1-8, it is characterised in that
Described metal level is fixed by multiple short circuit nails with described dielectric layer.
10. a terminal, it is characterised in that including: multiple antennas, and in claim 1-9 arbitrarily
One described device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620259852.7U CN205595457U (en) | 2016-03-31 | 2016-03-31 | Keep apart multiple isolating device and terminal of overcharging MIMO antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620259852.7U CN205595457U (en) | 2016-03-31 | 2016-03-31 | Keep apart multiple isolating device and terminal of overcharging MIMO antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205595457U true CN205595457U (en) | 2016-09-21 |
Family
ID=56922465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620259852.7U Expired - Fee Related CN205595457U (en) | 2016-03-31 | 2016-03-31 | Keep apart multiple isolating device and terminal of overcharging MIMO antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205595457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123224A (en) * | 2018-01-30 | 2018-06-05 | 厦门美图移动科技有限公司 | Antenna structure, electronic equipment dorsal shield and electronic equipment |
| CN112736460A (en) * | 2020-12-24 | 2021-04-30 | 北京木牛领航科技有限公司 | Partition wall and method for improving isolation of millimeter wave receiving and transmitting antenna |
-
2016
- 2016-03-31 CN CN201620259852.7U patent/CN205595457U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123224A (en) * | 2018-01-30 | 2018-06-05 | 厦门美图移动科技有限公司 | Antenna structure, electronic equipment dorsal shield and electronic equipment |
| CN112736460A (en) * | 2020-12-24 | 2021-04-30 | 北京木牛领航科技有限公司 | Partition wall and method for improving isolation of millimeter wave receiving and transmitting antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhao et al. | Multiple‐input and multiple‐output antenna system with self‐isolated antenna element for fifth‐generation mobile terminals | |
| Wong et al. | Dual‐band dual inverted‐F/loop antennas as a compact decoupled building block for forming eight 3.5/5.8‐GHz MIMO antennas in the future smartphone | |
| Ma et al. | Distributed and optimal resource allocation for power beacon-assisted wireless-powered communications | |
| CN102104193B (en) | Multiple input multiple output antenna system | |
| Chih-Lin et al. | 5G: Rethink mobile communications for 2020+ | |
| Khan et al. | Compact ultra‐wideband diversity antenna with a floating parasitic digitated decoupling structure | |
| CN105264714B (en) | Multipolarization substrate integration wave-guide antenna | |
| Li et al. | Reconfigurable intelligent surfaces relying on non-diagonal phase shift matrices | |
| CN108988917A (en) | A kind of method and apparatus of instruction and determining precoding vector | |
| CN103219592A (en) | Antenna device for portable terminal | |
| CN109728405A (en) | Antenna structure and high-frequency wireless communication terminal | |
| CN205595457U (en) | Keep apart multiple isolating device and terminal of overcharging MIMO antenna | |
| Hannula et al. | Tunable eight‐element MIMO antenna based on the antenna cluster concept | |
| Han et al. | Compact multiband MIMO antenna for next generation USB dongle applications | |
| CN103688599A (en) | PCB used in wireless terminal and wireless terminal | |
| CN206022622U (en) | A kind of coupling parasitism low section high-isolation mimo antenna | |
| Zou et al. | Design of 6× 6 dual-band MIMO antenna array for 4.5 G/5G smartphone applications | |
| CN102544729A (en) | MIMO antenna utilizing closed current circuit in antenna unit to improve isolation degree | |
| New et al. | Fluid antenna system enhancing orthogonal and non-orthogonal multiple access | |
| CN106033842A (en) | Antenna and electronic device | |
| CN208127406U (en) | Antenna assembly and terminal device | |
| CN110797642A (en) | Antenna module and terminal | |
| CN202695725U (en) | Wireless equipment | |
| CN101909306A (en) | Relay station management method and base station | |
| Bui et al. | Propagation and channel characteristics in seawater environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |