CN206180105U - A miniaturized antenna for 5G mobile communication - Google Patents
A miniaturized antenna for 5G mobile communication Download PDFInfo
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- CN206180105U CN206180105U CN201621226009.5U CN201621226009U CN206180105U CN 206180105 U CN206180105 U CN 206180105U CN 201621226009 U CN201621226009 U CN 201621226009U CN 206180105 U CN206180105 U CN 206180105U
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Abstract
The utility model relates to a antenna technology field, concretely relates to a miniaturized antenna for 5G mobile communication, including metal reflecting plate, medium base plate, the square corner cut of metal radiation paster, metal rectangle radiation paster, first metallization via hole, a metallic disc, flanged fixed connector, second metallization via hole and short circuit metal column, flanged fixed connector carries out the feed on being coupled to a metallic disc through first metallization via hole, and the short circuit metal column passes second metallization via hole. The utility model discloses an impedance characteristic that the antenna is good has been realized to the current feeding system of coupling, has improved the standing -wave ratio of antenna, has increased the work bandwidth of antenna, the utility model discloses simple structure is compact, and the section is low, easily processing.
Description
Technical field
The utility model is related to antenna technical field, and in particular to a kind of miniature antenna for 5G mobile communication.
Background technology
As 4G scales are commercial, 5G turns into current mobile communications industry focus, and 5G frequency plannings are by low-frequency range and height
Frequency range composition, wherein low-frequency range (below 6GHz) are still the core frequency band of 5G systems due to reasons such as good propagation characteristics,
Enriched very much in the frequency spectrum resource of more than 3GHz, therefore, the use of low-frequency range will turn into the trend of future development, with many
Advantage, such as：Available bandwidth is very sufficient, equipment and antenna miniaturization, and antenna gain is higher.As the big rule of 5G core technologies
Mould MIMO technology, its essential characteristic is to configure large number of aerial array (from tens to hundreds of) in base station side, using space division
Multiple access (SDMA) principle, while servicing multiple users.The vast array gain and interference brought due to large-scale antenna array are pressed down
Gain processed so that spectrum efficiency has obtained great lifting.With the increase of number of antennas, the area increase that antenna is occupied, this
Just installed to antenna and base station selection brings trouble.By using miniature antenna, reduction antenna spacing and change antenna
Array topology etc., can reduce the physical size of aerial array.And for planar array, different antennae is put to day
The sensitivity of line spacing is also different, so combine antenna puts pattern, antenna spacing and data transmission method for uplink pair
The influence of systematic function is one of important research direction.In order to reduce the influence of antenna coupling, it may be considered that between adjacent antenna
The antenna of different polarised directions, such as adjacent antenna is selected to use left and right circular polarized antenna or positive/negative 45 ° of antenna respectively.
It is that generation two is orthogonal, amplitude is equal, the line pole of 90 ° of phase difference to produce the key of circularly polarised wave with microstrip antenna
Change ripple.At present, realize that circular polarization radiation mainly has single feedback method, many feedback methods and multivariate method using microstrip antenna.Single feedback method is profit
Produce what the degenerate mode of two radiation cross polarizations worked with degenerate mode separative element, simple structure, low cost is adapted to small-sized
Change, but narrow bandwidth, circular polarisation poor-performing；Many feedback methods need the amplitude that radiation patch is realized by feeding network equal and
Phase differs 90 ° of orthogonal feed, and this method can improve the impedance bandwidth and circular polarisation bandwidth of antenna, improves axle ratio, but
Size is larger, relatively costly；Multivariate method is the reasonable arrangement to multiple linear polarization element antenna positions realizes the entelechy of antenna
Change, the antenna gain of this structure is high, but complex structure and size is larger.
Utility model content
The purpose of this utility model is to propose a kind of miniature antenna for 5G mobile communication, using single feedback method come real
The circular polarisation performance of existing antenna, while the impedance bandwidth and circular polarisation bandwidth of antenna are improved by the way of couple feed,
Greatly improved the axle ratio of antenna.
In order to realize the purpose of this utility model, the technical scheme for being used is：It is a kind of for the small-sized of 5G mobile communication
Change antenna, including the square corner cut radiation patch of metallic reflection plate, medium substrate, metal, rectangular metal radiation patch, the first gold medal
Categoryization via, the first rosette, flanged fixed connection device, the second metallization via and short circuit metallic post, metallic reflection plate
The lower floor of medium substrate is arranged on, is air dielectric, the square corner cut radiation patch of metal between metallic reflection plate and medium substrate
It is attached on medium substrate with rectangular metal radiation patch, the first metallization via and the second metallization via are opened in Jie
On matter substrate, the first rosette is arranged on the lower surface of medium substrate, and flanged fixed connection device metallized by first
Hole is coupled on the first rosette and is fed, and the flange of flanged fixed connection device is fixed in metallic reflection plate, short circuit
Through the second metallization via, the lower end of short circuit metallic post is fixed in metallic reflection plate metal column.
Used as prioritization scheme of the present utility model, the miniature antenna for 5G mobile communication also includes parasitic metal piece,
Parasitic metal piece is arranged on the upper strata of medium substrate, is air dielectric between parasitic metal piece and medium substrate.
Used as prioritization scheme of the present utility model, parasitic metal piece is supported on the upper of medium substrate by plastic support post
Side.
Used as prioritization scheme of the present utility model, rectangular metal radiation patch is distributed in the square corner cut radiation patch of metal
Around.
Used as prioritization scheme of the present utility model, the miniature antenna for 5G mobile communication also includes the second round metal
Disk, the second rosette is arranged on the upper surface of medium substrate, and the probe of flanged fixed connection device passes through the first rosette
It is connected on the second rosette with the first metallization via.
Used as prioritization scheme of the present utility model, the miniature antenna for 5G mobile communication also includes the 3rd rosette
With the 4th rosette, the 3rd rosette and the 4th rosette are separately positioned on the upper and lower surface of medium substrate,
Short circuit metallic post is connected on the 3rd rosette through the 4th rosette and the second metallization via.
The utility model has positive effect：1) the utility model is set using planar multilayer microstrip structure bay
Meter, is operated in 3.3GHz-3.6GHz scope broadbands, covers the 3.5G frequency ranges of 5G low-frequency ranges；
2) the utility model realizes the good impedance operator of antenna using the feeding classification of coupling, improves antenna
Standing-wave ratio, increased the bandwidth of operation of antenna；
3) the utility model increased four rectangular metal radiation patch around the square corner cut radiation patch of metal,
Increased the standing wave bandwidth and axial ratio bandwidth of antenna；
4) the utility model using traditional corner cut by the way of realize the circular polarization characteristics of antenna, it is simple to operation；
5) the utility model with the addition of rosette in the upper and lower surface of medium substrate respectively, and be provided with metallization
Via, and metallization via links together with corresponding rosette respectively, it is therefore an objective to by short circuit metallic post and flanged
The probe of fixed connection device guides to medium substrate upper surface and is easy to the probe of fixed and welded and installed, flanged fixed connection device to lead to
Metallization via is crossed to be coupled on the first rosette of medium substrate lower surface and fed；
6) parasitic metal piece of the present utility model, the further broadening impedance bandwidth and circular polarisation bandwidth of antenna improves
The axle ratio of antenna.
7) the utility model is simple and compact for structure, and section is low, it is easy to process；
8) the utility model is easily installed, and can be freely composed extensive mimo antenna according to different antenna topologies
Array, realizes that antenna multi-beam synthesizes.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the front schematic view of medium substrate；
Fig. 3 is the schematic diagram of the square corner cut radiation patch of metal；
Fig. 4 is the schematic diagram of rectangular metal radiation patch；
Fig. 5 is the schematic diagram of parasitic metal piece；
Fig. 6 is the schematic rear view of medium substrate；
Fig. 7 is emulation and the measured result schematic diagram of return loss of the present utility model；
Fig. 8 is the antenna radiation pattern measured result schematic diagram of 3.3GHz and 3.5GHz；
Fig. 9 is the emulation of axle ratio and measured result schematic diagram on antenna greatest irradiation direction；
Figure 10 is the measured result schematic diagram of the utility model antenna gain.
Wherein：1st, metallic reflection plate, 2, medium substrate, 3, the square corner cut radiation patch of metal, 4, rectangular metal radiation
Paster, the 6, first rosette, 7, flanged fixed connection device, 9, short circuit metallic post, 10, parasitic metal piece, the 11, second metal
Disk, the 12, the 3rd rosette, the 13, the 4th rosette.
Specific embodiment
In description of the present utility model, it is to be understood that term " radial direction ", " axial direction ", " on ", D score, " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outward " are based on orientation shown in the drawings or position relationship, merely to just
Described with simplified in description the utility model, must be with specific side rather than the device or element for indicating or imply meaning
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In description of the present utility model
In, unless otherwise indicated, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " setting ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art,
Concrete meaning of the above-mentioned term in the utility model can as the case may be understood.
As shown in figures 1 to 6, it is anti-the utility model discloses a kind of miniature antenna for 5G mobile communication, including metal
Penetrate the square corner cut radiation patch 3 of plate 1, medium substrate 2, metal, the metallization of rectangular metal radiation patch 4, first via, first
Rosette 6, flanged fixed connection device 7, second metallization via and short circuit metallic post 9, metallic reflection plate 1 are arranged on medium
The lower floor of substrate 2, is air dielectric, the square corner cut radiation patch 3 of metal and metal between metallic reflection plate 1 and medium substrate 2
Rectangle radiation patch 4 is attached on medium substrate 2, and the first metallization via and the second metallization via are opened in medium base
On plate 2, the first rosette 6 is arranged on the lower surface of medium substrate 2, and flanged fixed connection device 7 metallized by first
Hole is coupled on the first rosette 6 and is fed, and the flange of flanged fixed connection device 7 is fixed in metallic reflection plate 1, short
Through the second metallization via, the lower end of short circuit metallic post 9 is fixed in metallic reflection plate 1 road metal column 9.This is used for 5G movements
The miniature antenna of communication meets the requirement of the extensive mimo antenna array of 5G systems, entirely in the miniaturization day of 5G mobile communication
The height of line is 18.5mm, and metallic reflection plate 1 is 8mm apart from the distance of medium substrate 2, and metallic reflection plate 1 passes through plastic support
Post is supported on the lower section of medium substrate 2.
Miniature antenna for 5G mobile communication also includes parasitic metal piece 10, and parasitic metal piece 10 is arranged on medium base
The upper strata of plate 2, is air dielectric between parasitic metal piece 10 and medium substrate 2.Wherein, parasitic metal piece 10 is apart from medium substrate
2 distance is 6mm.Parasitic metal piece 10 is supported on the top of medium substrate 2 by plastic support post.
Rectangular metal radiation patch 4 is distributed in around the square corner cut radiation patch 3 of metal.Wherein, rectangular metal
Radiation patch 4 has four, and four rectangular metal radiation patch 4 are arranged on around the square corner cut radiation patch 3 of metal, increases
The standing wave bandwidth and axial ratio bandwidth of antenna are added.
Miniature antenna for 5G mobile communication also includes the second rosette 11, and the second rosette 11 is arranged on Jie
The upper surface of matter substrate 2, the probe of flanged fixed connection device 7 is connected through the first rosette 6 and the first metallization via
On the second rosette 11.Wherein, the second rosette 11 is in approximately the same plane with the square corner cut radiation patch 3 of metal
On, between be provided with annulus.Second rosette 11 is to weld the probe of flanged fixed connection device 7 for convenience and set
, flanged fixed connection device 7 is coupled on the first rosette 6 by the first metallization via and is fed, this coupling
The mode of feed can improve axle ratio with the impedance bandwidth of broadening antenna and circular polarisation bandwidth.
Miniature antenna for 5G mobile communication also includes the 3rd rosette 12 and the 4th rosette 13, the 3rd gold medal
The category rosette 13 of disk 12 and the 4th is separately positioned on the upper and lower surface of medium substrate 2, and short circuit metallic post 9 is through the
Four rosettes 13 and the second metallization via are connected on the 3rd rosette 12.Wherein, the 3rd rosette 12 and metal
Square corner cut radiation patch 3 be in approximately the same plane on, between be provided with annulus.3rd rosette 12 is short in order to install
Road metal column 9 and set, short circuit metallic post 9 effectively reduces the chi of the whole miniature antenna for being used for 5G mobile communication
It is very little, the broadening bandwidth of antenna.
As shown in Figure 7, it can be seen that the miniature antenna for being used for 5G mobile communication is operated in 3.3-3.6GHz, cover
The 5G low-frequency ranges of WRC-15 working groups of International Telecommunication Union candidate.
The miniature antenna being illustrated in figure 8 for 5G mobile communication is surveyed in the directional diagram of 3.3GHz, 3.5GHz respectively
Results, it can be seen that 3dB beam angles are at 75 ° or so.Such as Fig. 9 is that the axle ratio on antenna greatest irradiation direction is emulated and real
Survey result schematic diagram, it can be seen that axle ratio is in below 3dB；Figure 10 is the measured result schematic diagram of antenna gain, covers frequency
The gain of section is in more than 8dB, it can be seen that coincide substantially in measured result and the simulation result of 3.3-3.6GHz, meets 5G shiftings
The application requirement of dynamic communication.
It should be appreciated that specific embodiment described above is only used for explaining the utility model, it is not used to limit this reality
With new.The obvious change or variation extended out by spirit of the present utility model are still in protection of the present utility model
Among scope.
Claims (6)
1. a kind of miniature antenna for 5G mobile communication, it is characterised in that：Including metallic reflection plate (1), medium substrate
(2), the square corner cut radiation patch (3) of metal, rectangular metal radiation patch (4), the first metallization via, the first rosette
(6), flanged fixed connection device (7), the second metallization via and short circuit metallic post (9), described metallic reflection plate (1) are set
It is air dielectric, described metal between the lower floor of medium substrate (2), described metallic reflection plate (1) and medium substrate (2)
Square corner cut radiation patch (3) and rectangular metal radiation patch (4) are attached on medium substrate (2), the first described metal
Change via and the second metallization via is opened on medium substrate (2), described the first rosette (6) is arranged on medium base
The lower surface of plate (2), described flanged fixed connection device (7) is coupled to the first rosette by the first metallization via
(6) fed on, the flange of flanged fixed connection device (7) is fixed in metallic reflection plate (1), and short circuit metallic post (9) is worn
The second metallization via is crossed, the lower end of described short circuit metallic post (9) is fixed in metallic reflection plate (1).
2. a kind of miniature antenna for 5G mobile communication according to claim 1, it is characterised in that：It is described for 5G
The miniature antenna of mobile communication also includes parasitic metal piece (10), and described parasitic metal piece (10) is arranged on medium substrate
(2) upper strata, is air dielectric between described parasitic metal piece (10) and medium substrate (2).
3. a kind of miniature antenna for 5G mobile communication according to claim 2, it is characterised in that：Described parasitism
Sheet metal (10) is supported on the top of medium substrate (2) by plastic support post.
4. a kind of miniature antenna for 5G mobile communication according to claim 2, it is characterised in that：Described metal
Rectangle radiation patch (4) is distributed in around the square corner cut radiation patch (3) of metal.
5. a kind of miniature antenna for 5G mobile communication according to claim 2, it is characterised in that：It is described for 5G
The miniature antenna of mobile communication also includes the second rosette (11), and described the second rosette (11) is arranged on medium base
The upper surface of plate (2), the probe of flanged fixed connection device (7) connects through the first rosette (6) and the first metallization via
It is connected on the second rosette (11).
6. a kind of miniature antenna for 5G mobile communication according to claim 2, it is characterised in that：It is described for 5G
The miniature antenna of mobile communication also includes the 3rd rosette (12) and the 4th rosette (13), the 3rd rosette (12)
With the upper and lower surface that the 4th rosette (13) is separately positioned on medium substrate (2), short circuit metallic post (9) is through the 4th
Rosette (13) and the second metallization via are connected on the 3rd rosette (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226009.5U CN206180105U (en) | 2016-11-15 | 2016-11-15 | A miniaturized antenna for 5G mobile communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226009.5U CN206180105U (en) | 2016-11-15 | 2016-11-15 | A miniaturized antenna for 5G mobile communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206180105U true CN206180105U (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621226009.5U Active CN206180105U (en) | 2016-11-15 | 2016-11-15 | A miniaturized antenna for 5G mobile communication |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369895A (en) * | 2017-06-26 | 2017-11-21 | 西安电子科技大学 | One kind orientation high-gain microstrip antenna |
| CN108075226A (en) * | 2016-11-15 | 2018-05-25 | 南京濠暻通讯科技有限公司 | A kind of miniature antenna for 5G mobile communication |
| CN108134197A (en) * | 2017-12-26 | 2018-06-08 | 上海安费诺永亿通讯电子有限公司 | Integrated 4 differential feed low section dual polarization vibrator units and antenna for base station |
| CN110534884A (en) * | 2019-08-20 | 2019-12-03 | 电子科技大学 | A kind of circular polarized antenna unit of Wideband broad beam |
-
2016
- 2016-11-15 CN CN201621226009.5U patent/CN206180105U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075226A (en) * | 2016-11-15 | 2018-05-25 | 南京濠暻通讯科技有限公司 | A kind of miniature antenna for 5G mobile communication |
| CN107369895A (en) * | 2017-06-26 | 2017-11-21 | 西安电子科技大学 | One kind orientation high-gain microstrip antenna |
| CN108134197A (en) * | 2017-12-26 | 2018-06-08 | 上海安费诺永亿通讯电子有限公司 | Integrated 4 differential feed low section dual polarization vibrator units and antenna for base station |
| CN110534884A (en) * | 2019-08-20 | 2019-12-03 | 电子科技大学 | A kind of circular polarized antenna unit of Wideband broad beam |
| CN110534884B (en) * | 2019-08-20 | 2020-10-23 | 电子科技大学 | Novel broadband wide-beam circularly polarized antenna unit |
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