CN206412474U - 5G communication high isolation omni-directional array antennas - Google Patents
5G communication high isolation omni-directional array antennas Download PDFInfo
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- CN206412474U CN206412474U CN201720021154.8U CN201720021154U CN206412474U CN 206412474 U CN206412474 U CN 206412474U CN 201720021154 U CN201720021154 U CN 201720021154U CN 206412474 U CN206412474 U CN 206412474U
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- 238000002955 isolation Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 title claims abstract description 11
- 230000005855 radiation Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000005336 cracking Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Abstract
The utility model is related to antenna technical field, specifically 5G communication high isolation omni-directional array antennas；Including horizontal base plate, the horizontal base plate is metal ground plate, I types clearance channel, U-shaped nested clearance channel, S type curve clearance channels are provided with the horizontal base plate, four dual-band antenna units are additionally provided with the horizontal base plate, four dual-band antenna units may be contained between the end of horizontal base plate, and four dual-band antenna units setting using nonaxisymmetrical mode；The utility model can realize omnidirectional radiation characteristic, and 360 ° of omnidirectionals receive or transmission signal, available for small base station, improve signal receiving efficiency.
Description
Technical field
The utility model is related to antenna technical field, specifically 5G communication high isolation omni-directional array antennas.
Background technology
MIMO (Multiple-Input Multiple-Output) technology refers in transmitting terminal and receiving terminal respectively using many
Individual transmitting antenna and reception antenna, make signal transmit and receive by multiple antennas of transmitting terminal and receiving terminal, so as to improve logical
Believe quality.It can make full use of space resources, and MIMO is realized by multiple antennas, not increase frequency spectrum resource and antenna hair
In the case of penetrating power, system channel capacity can be increased exponentially, obvious advantage is shown, is considered as of future generation mobile logical
The core technology of letter.
MIMO communicated as 5G in an important technology, extensive antenna (3D/Massive MIMO) array is also 5G
Important technology in communication, required in 5G communications is the omnidirectional antenna with multi-frequency multiport input and output, improves letter
Road capacity, due to frequency higher 5G and the demand for miniaturization, the spacing between antenna element is compact all the more, thus brings huge
What is influenceed greatly is exactly mutual coupling phenomenon between antenna, how in the case where not increasing antenna volume, effectively improves isolation between antennas
Method, is just particularly important.
In order to carry 4 antenna elements, a block array horizontal base plate is devised, 4 antenna elements are respectively embedded into.
Using the mimo antenna of array format, due to antenna element close proximity, so stronger coupling can be produced, couple
Electric current can directly affect the radiation characteristic of antenna.In small size mobile communication equipment, due to being limited to the size of complete machine, often
Sufficiently large spacing can not be provided to weaken the coupling between antenna.Therefore, how to place as many as possible in limited space
Antenna, the MIMO array antenna with high isolation degree turn into it is in the urgent need to address the problem of.
Currently, weakening the main method coupled between microstrip antenna element has：Electromagnetism is added between the array element of microstrip antenna
Band gap (EBG) structure, with the introducing defect method such as (DGS) structure on floor.
Although the mode for gap of cracking can properly increase isolation, do not select to make for specific frequency emittance
With.
Axisymmetric antenna element disposing way, often because the rear end of another antenna element on axial symmetry direction
Reflected energy, the radiation to antenna element is adversely affected.
Utility model content
The utility model is solves prior art problem, and purpose is to provide 5G communication high isolation omni-directional array antennas.
To achieve the above object, the utility model provides following technical scheme：
5G communication high isolation omni-directional array antennas, including horizontal base plate, the horizontal base plate is metal ground plate, the water
It is provided with flat substrate on I types clearance channel, U-shaped nested clearance channel, S type curve clearance channels, the horizontal base plate and is additionally provided with four
Individual dual-band antenna unit, four dual-band antenna units may be contained within the end of horizontal base plate, and four dual-band antenna units
Between set using nonaxisymmetrical mode.
Further, the I types clearance channel, U-shaped nested clearance channel, S type curve clearance channels are set using etching mode
Put on horizontal base plate.
Further, the horizontal base plate is square shape, and copper is applied on its surface, and four dual-band antenna units use center
Symmetrical set-up mode, close to the square corner in edge, it can be reduced on symmetry direction, and rear end is anti-between adjacent dual-band antenna unit
That penetrates influences each other.
Further, the I types clearance channel, can be achieved trap characteristic, blocks other useless frequency ranges of inoperative frequency range, subtracts
The small interference to other frequency ranges, realizes two-band Net long wave radiation.
Further, the U-shaped nested clearance channel uses the U-shaped nested gap of large area, forms the structure of class Meta Materials,
Due to the characteristic of Meta Materials, can effective absorption characteristic frequency couple current, this designs its absorbable 28GHz electric current.
Further, the S types curve clearance channel can reduce the couple current of 15.2GHz frequencies, improve isolation, simultaneously
Good meander effect is served, the area for reducing antenna takes.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is inserted in horizontal base plate respectively by four antennas, realizes omnidirectional radiation characteristic, and 360 ° of omnidirectionals connect
Receive or transmission signal, available for small base station, improve signal receiving efficiency；
2nd, each antenna element uses Central Symmetry disposing way, and non-axis symmetry can avoid back end reflective phase each other
Mutually influence, improves isolation；
3rd, U-shaped gap permutation has been used to handle in day line back end, mutually nested mode is used as a kind of candidate of Meta Materials
Model, dielectric constant is less than 1, can effectively absorb back end reflective energy.Inhale particularly evident for high frequency back end reflective energy；
4th, antenna element side is handled using S type curves gap of cracking, and can effectively absorb energy, improve unit interval from
Degree, to low frequency couple current as more obvious；
5th, handled between antenna element using I types gap of cracking, this I type cracks with trap characteristic, can play the non-work of isolation
Make frequency range, absorbing coupling electric current improves the effect of interport isolation.
6th, in the utility model, many places rectangular depression processing has been done on floor, and using defect ground structure, increase surface current is humorous
Shake, improve isolation.
Brief description of the drawings
Fig. 1 is the utility model 5G communication high isolation omni-directional array antenna structural representations.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides 5G communication high isolation omni-directional array antennas, including horizontal base plate 1, the water
Flat substrate 1 is metal ground plate, and substrate is Rogers 5880, and surface applies copper, serves as and be provided with ground plane, the horizontal base plate
Four dual-band antenna lists are additionally provided with I types clearance channel 2, U-shaped nested clearance channel 3, S type curves clearance channel 4, the horizontal base plate
Member 5, four dual-band antenna units may be contained within using non-axle between the end of horizontal base plate, and four dual-band antenna units
Symmetrical mode is set.
It is used as I types clearance channel, U-shaped nested clearance channel, S type curve clearance channels described in the utility model specific embodiment
It is to be arranged on using etching mode on horizontal base plate.The horizontal base plate is square shape, four dual-band antenna units
Using centrosymmetric set-up mode, close to the square corner in edge, it can reduce adjacent dual-band antenna unit on symmetry direction
Between back end reflective influence each other.The I types clearance channel, can be achieved trap characteristic, block other useless frequencies of inoperative frequency range
Section, realizes two-band Net long wave radiation.The U-shaped nested clearance channel uses the U-shaped nested gap of large area, forms class Meta Materials
Structure, due to the characteristic of Meta Materials, can effective absorption characteristic frequency couple current, this designs its absorbable 28GHz electric current.Institute
The couple current of 15.2GHz frequencies can be reduced by stating S type curve clearance channels, improve isolation, be made while serving meander well
With the area for reducing antenna takes.
The horizontal base plate panel central space can be for one radio circuit of structure.This structure is not only maintained to 5G
360 ° of coverage rate of frequency range 15.2GHz, 28GHz comprehensive plane topside, but also provide a class metamaterial structure, U
Type nesting is cracked gap matrix, envelope correlation coefficient between optimization mimo antenna, is reduced between antenna element in the mutual of frequency 28GHz
Coupling；Meta Materials refer to artificial composite structure or composite with the extraordinary physical property not available for natural material, energy
The unusual electromagnetic property such as negative refraction and perfect lens is realized, according to effective medium theory, the electromagnetic propertys of Meta Materials can be with having
Dielectric constant and Effective permeability is imitated to represent.By designing the cellular construction of Meta Materials, it is set to produce phase to electric field and magnetic field
The resonance answered, so as to easily regulate and control its effective dielectric constant and Effective permeability.Around this principle, in microwave band
It has devised effective dielectric constant and Effective permeability be single is negative or while is negative artificial Meta Materials.It is of the present utility model
The U-shaped nesting matrix that cracks has the characteristic absorbed to incident electromagnetic wave using Meta Materials, is cracked unit knot by adjusting U-shaped nesting
The physical dimension of structure, can make it inhale wave frequency section and be located at 28GHz frequency ranges, so as to reach the purpose for weakening and being coupled between antenna.
Array and space-consuming all very little of the slit on horizontal base plate, so being easily achieved high isolation.One S type is humorous
Shaken slit, and the roundabout surface current for being sewn on relatively low frequency band of it each is converged in around slit, so as to mitigate coupling.Use
Defect ground structure, reduction coupling, improves isolation.Therefore intercoupling in frequency 15.2GHz between antenna element is reduced.
One I type cracks gap, in order to realize band-stop response, trap characteristic is realized using bandgap structure, in metal ground plate
Upper etching, do I types crack gap processing.The length for the groove being placed on metal ground plate is about the half of wavelength, and it can only have
The about wavelength of a quarter.The I shape trench etch of 1/4 wavelength have rejected 20~24GHz or so frequency range.
To realize that between antenna element, the current resonance between earth plate, having done slot treatment earth plate, has corroded part
Earth plate.Finally designed double frequency end-on-fire antenna is inserted in horizontal media plate, the position close to border is symmetrical using the center of circle
Structure, and non-axis symmetry, it is to avoid antenna element mutually in the same horizontal line, reduces the influence between back end reflective, using same
Axle is fed, and realizes the omnidirectional radiation of antenna, covers 360 ° of reception directions.
In the utility model, for the nested mode of four antenna elements, can appropriate adjustable range corner distance,
Or placing direction, omnidirectional radiation can also be realized.
U-shaped mutually nested mode can also use the mutually nested of Z-shaped, equally as a kind of metamaterial structure
A kind of architectural characteristic of Meta Materials can be realized.
S type curves open resonant slot, and the mode that two-wire gap can be used to be grounded can also filter out the coupling of specific frequency
Close electric current.
I types fluting gap structure, can use the fluting gap structure of C fonts, can equally play band resistance structure, realize
Trap characteristic.
Mode of grooving on earth plate, is not necessarily intended to rectangle, and trapezoidal mode of grooving can equally reach consumption coupling electricity
The effect of stream.
In summary, the utility model can realize that working frequency range is 15.2GHz and 28GHz, and the utility model has preferably
Isolation, increases mimo antenna diversity benefit, Net long wave radiation.
In the case of antenna high-isolation is realized, accomplish that structure is uncomplicated, do not increase difficulty of processing, easy processing is easily assembled,
Preferable practical function.
Metamaterial structure is applied among raising array antenna isolation, possesses good effect.
Non-centrosymmetrical effect, relative to machine-made axial symmetry array antenna, there is provided new mentality of designing.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (6)
1.5G communication high isolation omni-directional array antennas, it is characterised in that including horizontal base plate, the horizontal base plate is metallic ground
It is provided with plate, the horizontal base plate on I types clearance channel, U-shaped nested clearance channel, S type curve clearance channels, the horizontal base plate also
Four dual-band antenna units are provided with, four dual-band antenna units may be contained within the end of horizontal base plate, and four double frequencies
Set between antenna element using nonaxisymmetrical mode.
The high isolation omni-directional array antenna 2. 5G according to claim 1 communicates, it is characterised in that the I types clearance channel, U
Type nesting clearance channel, S type curves clearance channel are to be arranged on using etching mode on horizontal base plate.
The high isolation omni-directional array antenna 3. 5G according to claim 2 communicates, it is characterised in that the horizontal base plate is side
Copper is applied on shape, horizontal base plate surface, and four dual-band antenna units use centrosymmetric set-up mode, square close to edge
Shape corner, it can reduce on axial symmetry direction influencing each other for back end reflective between adjacent dual-band antenna unit.
The high isolation omni-directional array antenna 4. 5G according to claim 3 communicates, it is characterised in that the I types clearance channel, can
Trap characteristic is realized, other useless frequency ranges of inoperative frequency range are blocked, reduces the interference to other frequency ranges, realizes that two-band is effective
Radiation.
The high isolation omni-directional array antenna 5. 5G according to claim 4 communicates, it is characterised in that the U-shaped nested gap
Groove uses the U-shaped nested gap of large area, forms the structure of class Meta Materials, due to the characteristic of Meta Materials, can effectively absorb spy
Determine frequency couple current, this designs its absorbable 28GHz or so couple current.
The high isolation omni-directional array antenna 6. 5G according to claim 5 communicates, it is characterised in that the S types curve gap
Groove can reduce the couple current of 15.2GHz frequencies, improve the frequency range isolation, while serving good meander effect, reduce
The area of antenna takes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021154.8U CN206412474U (en) | 2017-01-09 | 2017-01-09 | 5G communication high isolation omni-directional array antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021154.8U CN206412474U (en) | 2017-01-09 | 2017-01-09 | 5G communication high isolation omni-directional array antennas |
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| Publication Number | Publication Date |
|---|---|
| CN206412474U true CN206412474U (en) | 2017-08-15 |
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| CN201720021154.8U Expired - Fee Related CN206412474U (en) | 2017-01-09 | 2017-01-09 | 5G communication high isolation omni-directional array antennas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785423A (en) * | 2017-01-09 | 2017-05-31 | 成都信息工程大学 | 5G communication high isolation omni-directional array antennas |
| CN109638440A (en) * | 2018-12-19 | 2019-04-16 | 电子科技大学 | A kind of 5G communication miniaturization broadband mimo antenna based on Meta Materials |
| WO2019128654A1 (en) * | 2017-12-29 | 2019-07-04 | 维沃移动通信有限公司 | Antenna and wireless mobile terminal |
| CN115986401A (en) * | 2022-12-22 | 2023-04-18 | 南方科技大学 | Low-profile high-isolation receiving and transmitting co-aperture dual-frequency phased array antenna |
-
2017
- 2017-01-09 CN CN201720021154.8U patent/CN206412474U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785423A (en) * | 2017-01-09 | 2017-05-31 | 成都信息工程大学 | 5G communication high isolation omni-directional array antennas |
| CN106785423B (en) * | 2017-01-09 | 2023-09-01 | 成都信息工程大学 | 5G Communication High Isolation Omnidirectional Array Antenna |
| WO2019128654A1 (en) * | 2017-12-29 | 2019-07-04 | 维沃移动通信有限公司 | Antenna and wireless mobile terminal |
| CN109638440A (en) * | 2018-12-19 | 2019-04-16 | 电子科技大学 | A kind of 5G communication miniaturization broadband mimo antenna based on Meta Materials |
| CN109638440B (en) * | 2018-12-19 | 2020-05-12 | 电子科技大学 | Metamaterial-based 5G communication miniaturized broadband MIMO antenna |
| CN115986401A (en) * | 2022-12-22 | 2023-04-18 | 南方科技大学 | Low-profile high-isolation receiving and transmitting co-aperture dual-frequency phased array antenna |
| CN115986401B (en) * | 2022-12-22 | 2023-12-29 | 南方科技大学 | Low-profile high-isolation receiving and transmitting common-port-surface dual-frequency phased array antenna |
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Granted publication date: 20170815 |