CN207800921U - A kind of MIMO phased array antenna - Google Patents
A kind of MIMO phased array antenna Download PDFInfo
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- CN207800921U CN207800921U CN201820053326.4U CN201820053326U CN207800921U CN 207800921 U CN207800921 U CN 207800921U CN 201820053326 U CN201820053326 U CN 201820053326U CN 207800921 U CN207800921 U CN 207800921U
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Abstract
A kind of MIMO phased array antenna, including：Feeding network change-over panel, the feeding network change-over panel include the first feeding network plate and the second feeding network plate being disposed adjacent；Non-uniform Distribution is in a center of symmetry with the center of the feeding network change-over panel in the arrangement position of double polarized micro strip antenna unit on the positive double polarized micro strip antenna unit of the feeding network change-over panel, the first feeding network plate and the arrangement position of double polarized micro strip antenna unit on the second feeding network plate；It is set to the radio frequency connector of the feeding network conversion back；The metal fixing plate being stacked in below the feeding network change-over panel；The antenna house being set on the feeding network change-over panel.The arrangement position of double polarized micro strip antenna unit on feeding network change-over panel is optimized in the utility model, when solving multi-user communication, user's communication distance, rate, anti-interference ability decline the problem of.
Description
Technical field
The utility model belongs to 5G mobile communication technology fields more particularly to a kind of MIMO phased array antenna of the base stations 5G.
Background technology
With the rapid development of mobile communication technology, it is contemplated that 5G communications will become main mobile communication system after the year two thousand twenty
System.MIMO (multiple-input and multiple-output) phased array antenna is to realize one of the core technology of 5G communications.The MIMO phases of the existing base stations 5G
Control array antenna is essentially all using the antenna form uniformly structured the formation.The uniform radiation pattern 3dB wave beams to be formed of structuring the formation
Wider width, therefore when applied in mimo system, the user for causing two distances closer can fall covers model in a main beam
In enclosing, system can generate two mutually independent wave beams to each user according to number of users in former main beam at this time, this will lead
Cause original main beam apparent null occur so that antenna gain declines to a great extent, to can reduce original user communication distance,
Rate and anti-interference ability etc..
Utility model content
The purpose of this utility model is to provide a kind of user's communication distance, rate and anti-interference abilities of can improving
MIMO phased array antenna.
To achieve the goals above, the utility model takes following technical solution：
A kind of MIMO phased array antenna, including：Feeding network change-over panel, the feeding network change-over panel include being disposed adjacent
The first feeding network plate and the second feeding network plate；Non-uniform Distribution is micro- in the positive dual polarization of feeding network change-over panel
Band antenna element, the arrangement position of double polarized micro strip antenna unit and second feeding network on the first feeding network plate
The arrangement position of double polarized micro strip antenna unit is in a center of symmetry with the center of the feeding network change-over panel on plate；It is set to institute
State the radio frequency connector of feeding network conversion back；The metal fixing plate being stacked in below the feeding network change-over panel；If
The antenna house being placed on the feeding network change-over panel.
As a kind of improvement of the utility model MIMO phased array antenna, 16 groups are provided on the first feeding network plate
Double polarized micro strip antenna unit, double polarized micro strip antenna unit are arranged by following position coordinates：First double polarized micro strip antenna list
The coordinate of member is (0,3.7 λ0), the coordinate of the second double polarized micro strip antenna unit is (0.525 λ0, 3.1 λ0), third dual polarization is micro-
Coordinate with antenna element is (- 0.525 λ0, 3.1 λ0), the coordinate of the 4th double polarized micro strip antenna unit is (0,2.7 λ0), the
The coordinate of five double polarized micro strip antenna units is (0.575 λ0, 2.1 λ0), the coordinate of the 6th double polarized micro strip antenna unit be (-
0.575λ0, 2.1 λ0), the coordinate of the 7th double polarized micro strip antenna unit is (0,1.7 λ0), the 8th double polarized micro strip antenna unit
Coordinate be (0.975 λ0, 1.4 λ0), the coordinate of the 9th double polarized micro strip antenna unit is (- 0.975 λ0, 1.4 λ0), the tenth pair
The coordinate of polarization micro-strip antenna element is (0.45 λ0, λ0), the coordinate of the 11st dual-polarized, microstrip antenna element is (- 0.45 λ0,
λ0), the coordinate of the 12nd double polarized micro strip antenna unit is (1.2 λ0, 0.3 λ0), the seat of the 13rd double polarized micro strip antenna unit
It is designated as (0.675 λ0, 0.3 λ0), the coordinate of the 14th double polarized micro strip antenna unit is (0,0.3 λ0), the 15th dual-polarized, microstrip
The coordinate of antenna element is (- 0.675 λ0, 0.3 λ0), the coordinate of the 16th double polarized micro strip antenna unit is (- 1.2 λ0, 0.3
λ0), wherein coordinate origin is the central point of the feeding network change-over panel, λ0It is corresponded to for phased array antenna center operating frequency
Space wavelength；By the arrangement position of double polarized micro strip antenna unit on the first feeding network plate around feeding network change-over panel
Center rotate 180 ° after obtain the arrangement position of double polarized micro strip antenna unit on the second feeding network plate.
As a kind of improvement of the utility model MIMO phased array antenna, the first feeding network plate and the second transmission network
Network plate is disposed adjacent side by side.
As a kind of improvement of the utility model MIMO phased array antenna, the first feeding network plate and the second transmission network
The dislocation of network plate is disposed adjacent.
As a kind of improvement of the utility model MIMO phased array antenna, the first feeding network plate center line and described
The distance between center line of second feeding network plate is 1.2 λ0。
As a kind of improvement of the utility model MIMO phased array antenna, the antenna house is fiber glass epoxy antenna house.
As a kind of improvement of the utility model MIMO phased array antenna, the double polarized micro strip antenna unit includes etching
4 rectangular aerial radiation pieces on dielectric-slab, 4 aerial radiation piece relative medium plate center symmetric settings.
As a kind of improvement of the utility model MIMO phased array antenna, the double polarized micro strip antenna unit further includes position
Raised fixed part below dielectric-slab, raised fixed part surface adhesion metal copper foil.
As a kind of improvement of the utility model MIMO phased array antenna, the front-side etch of the feeding network change-over panel has
The conversion microstrip line of double polarized micro strip antenna unit and radio frequency connector is connected, the line width for converting microstrip line turns into 1.6mm
The corner for changing microstrip line has circular arc of the radius for 1mm.
As a kind of improvement of the utility model MIMO phased array antenna, the metal fixing plate is aluminium sheet.
By above technical scheme it is found that the utility model carries out the arrangement mode of microband antenna unit on feeding network plate
Space optimization compared with the existing MIMO phased array antenna uniformly structured the formation, while realizing ratio using bare cloth mode heterogeneous
The MIMO phased array antenna horizontal plane main lobe wave beams uniformly structured the formation are 3 ° narrow~4 ° of pattern beam, efficiently solve multi-user
When communication, the problem of user's communication distance, rate, anti-interference ability decline to a great extent, while antennas orthogonal face is than uniformly structuring the formation
MIMO phased array antenna increases by 10 ° of scanning angle, effectively increases the pitching Surface scan angle of MIMO phased array antenna, solves
User's communication issue of different height in same orientation.And in a preferred approach, two blocks of feeding network plates are arranged into line misregistration
Row, moreover it is possible to realize~10 ° of pattern beam 7 ° narrower than the MIMO phased array antenna horizontal plane main lobe wave beams uniformly structured the formation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the decomposition texture schematic diagram of embodiment 1；
Fig. 3 is the arrangement position view of double polarized micro strip antenna unit on the feeding network change-over panel of embodiment 1；
Fig. 4 is the vertical view of 1 double polarized micro strip antenna unit of embodiment；
Fig. 5 is the side view of 1 double polarized micro strip antenna unit of embodiment；
Fig. 6 is the radiation direction comparison diagram of the antenna and existing uniform 0 degree of cloth array antenna horizontal plane scanning of embodiment 1；
Fig. 7 is the radiation direction comparison diagram of the antenna and existing uniform 60 degree of cloth array antenna horizontal plane scanning of embodiment 1；
Fig. 8 is the antenna pattern of existing 10 degree of antennas orthogonal Surface scan of uniformly structuring the formation；
Fig. 9 is the antenna pattern of 15 degree of the antennas orthogonal Surface scan of embodiment 1；
Figure 10 is the position setting signal of the first feeding network plate and the second feeding network plate of the utility model embodiment 2
Figure；
Figure 11 is the radiation direction comparison diagram of the antenna and existing uniform 0 degree of cloth array antenna horizontal plane scanning of embodiment 2；
Figure 12 is the radiation direction comparison of the antenna and existing uniform 60 degree of cloth array antenna horizontal plane scanning of embodiment 2
Figure.
The utility model is further described with each embodiment below in conjunction with the accompanying drawings.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings, when the utility model embodiment is described in detail, for ease of
Illustrate, indicates that the attached drawing of device architecture can disobey general proportion and do partial enlargement, and the schematic diagram is example, herein
The range of the utility model protection should not be limited.It should be noted that attached drawing is using simplified form and uses non-accurate
Ratio, only to purpose that is convenient, clearly aiding in illustrating the utility model embodiment.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the MIMO phased array antenna of the present embodiment includes antenna house 1, double polarized micro strip antenna
Unit 2, feeding network change-over panel 3, metal fixing plate 4 and radio frequency connector 5.Wherein, feeding network change-over panel 3 includes the first feedback
Electric network plate 3-1 and the second feeding network plate 3-2, the first feeding network plate 3-1 of the present embodiment and the second feeding network plate 3-2
It is disposed adjacent side by side, i.e. the center line a2 of the center line a1 of the first feeding network plate 3-1 and the second feeding network plate 3-2 are overlapped.
Being disposed adjacent for the utility model refers to not being spaced between the first feeding network plate 3-1 and the second feeding network plate 3-2.It is bipolar
Change the front that microband antenna unit 2 is distributed in feeding network change-over panel 3, radio frequency connector 5 is set to feeding network change-over panel 3
The back side.Metal fixing plate 4 is located at the lower section of feeding network change-over panel 3, and feeding network change-over panel 3 is folded with about 4 metal fixing plate
It puts together.Antenna house 1 covers on feeding network change-over panel 3.
It is respectively arranged with 16 groups of double polarized micro strip antennas on the first feeding network plate 3-1 and the second feeding network plate 3-2
Unit 2.Upper pair of the arrangement position of double polarized micro strip antenna unit 2 and the second feeding network plate 3-2 on first feeding network plate 3-1
The arrangement position of polarization micro-strip antenna element 2 is in a center of symmetry with the center of feeding network change-over panel 3.Below with the first transmission network
It is illustrated for the arrangement mode of double polarized micro strip antenna unit 2 on network plate 3-1,16 groups on the first feeding network plate 3-1
Double polarized micro strip antenna unit 2 is arranged by following position coordinates：The coordinate of first double polarized micro strip antenna unit 2-1 is (0,3.7
λ0), the coordinate of the second double polarized micro strip antenna unit 2-2 is (0.525 λ0, 3.1 λ0), third double polarized micro strip antenna unit 2-3
Coordinate be (- 0.525 λ0, 3.1 λ0), the coordinate of the 4th double polarized micro strip antenna unit 2-4 is (0,2.7 λ0), the 5th dual polarization
The coordinate of microband antenna unit 2-5 is (0.575 λ0, 2.1 λ0), the coordinate of the 6th double polarized micro strip antenna unit 2-6 be (-
0.575λ0, 2.1 λ0), the coordinate of the 7th double polarized micro strip antenna unit 2-7 is (0,1.7 λ0), the 8th double polarized micro strip antenna list
The coordinate of first 2-8 is (0.975 λ0, 1.4 λ0), the coordinate of the 9th double polarized micro strip antenna unit 2-9 is (- 0.975 λ0, 1.4
λ0), the coordinate of the tenth double polarized micro strip antenna unit 2-10 is (0.45 λ0, λ0), the 11st dual-polarized, microstrip antenna element 2-11
Coordinate be (- 0.45 λ0, λ0), the coordinate of the 12nd double polarized micro strip antenna unit 2-12 is (1.2 λ0, 0.3 λ0), the 13rd
The coordinate of double polarized micro strip antenna unit 2-13 is (0.675 λ0, 0.3 λ0), the seat of the 14th double polarized micro strip antenna unit 2-14
It is designated as (0,0.3 λ0), the coordinate of the 15th double polarized micro strip antenna unit 2-15 is (- 0.675 λ0, 0.3 λ0), the 16th is bipolar
The coordinate for changing microband antenna unit 2-16 is (- 1.2 λ0, 0.3 λ0), wherein coordinate origin is in feeding network change-over panel 3
Heart point, λ0For the corresponding space wavelength of phased array antenna center operating frequency.By dual-polarized, microstrip day on the first feeding network plate
The arrangement position of line unit around the center of feeding network change-over panel rotate 180 ° after to obtain dual polarization on the second feeding network plate micro-
Arrangement position with antenna element, i.e., by the first feeding network plate 3-1 around feeding network change-over panel 3 center rotate 180 ° after i.e.
For the second feeding network plate 3-2.
The double polarized micro strip antenna unit 2 of the present embodiment is painted technology on dielectric-slab by light and is etched, and dual polarization is micro-
0.27 λ of whole height h ≈ with antenna element 20.As shown in figure 4, double polarized micro strip antenna unit 2 includes etching in dielectric-slab
On 4 rectangular aerial radiation piece 2a, 4 aerial radiation piece 2a relative medium plate center symmetric settings.Dual-polarized, microstrip day
Line unit 2 further includes the raised fixed part 2b being located at below dielectric-slab, and the surfaces raised fixed part 2b adhesion metal copper foil, protrusion is admittedly
The height for determining portion 2b is 2mm.Installed position corresponding to double polarized micro strip antenna unit 2 on feeding network change-over panel 3 is opened
Equipped with the line of rabbet joint that width is 1mm, raised fixed part 2b may pass through the line of rabbet joint on feeding network pinboard 3, and turn with feeding network
The copper clad layers for changing 3 back side of plate are weldingly connected, convex to which double polarized micro strip antenna unit 2 to be fixed on feeding network change-over panel 3
The metal copper foil for playing the attachment of the surfaces fixed part 2b can also be achieved grounding function.
The front-side etch of the feeding network change-over panel 3 of the present embodiment has connection double polarized micro strip antenna unit 2 to connect with radio frequency
The conversion microstrip line for connecing device 5 converts the line width of microstrip line as 1.6mm, thereby may be ensured that the characteristic impedance of conversion microstrip line is
50 Ω convert the circular arc that the corner of microstrip line leads radius as 1mm, it is possible to reduce the reflection of electromagnetic wave around the corner.Radio frequency
5 Surface Mount of connector is welded at the pad at 3 back side of feeding network change-over panel, and the size of pad is 7mm*7mm.Pair of the present embodiment
Polarization micro-strip antenna element 2, feeding network change-over panel 3 are all made of the pcb board material of model ROGERS/RO4350B as medium
The dielectric constant of plate, dielectric-slab is 3.48, thickness 0.762mm, the two-sided copper foil for covering 35 μm of dielectric-slab.
Metal fixing plate 4 is located at the lower section of feeding network change-over panel 3, the metal fixing plate of the present embodiment use thickness for
The aluminium sheet of 2mm, surface of aluminum plate flatness is good and electrically conductive oxidation.Correspond to double polarized micro strip antenna list on metal fixing plate 4
The circular hole and U-shaped hole of φ 23mm are offered at the position of member 2 and radio frequency connector 5 respectively.Double polarized micro strip antenna unit 2 it is convex
Fixed part 2a is played after feeding network change-over panel 3, continues across the circular hole on metal fixing plate 4.Radio frequency connector 5 and feed
Bottom passes through the U-shaped hole on metal fixing plate 4 after the welding of 3 Surface Mount of network change-over panel, to make feeding network change-over panel 3 and metal
Fixed plate 4 smooth can be bonded.Rivet hole on metal fixing plate 4 and feeding network change-over panel 3 is passed through using nonmetallic rivet,
Metal fixing plate 4 and feeding network change-over panel 3 are fixed together.
The antenna house 3 of the present embodiment is made of expoxy glass Steel material, dielectric constant 4.4, thickness 2mm.Antenna
Cover 3 can play a protective role to phased array antenna so that phased array antenna can normal work under outdoor various rugged environments
Make.
The MIMO phased array antenna of embodiment 1 is subjected to horizontal Surface scan emulation, while uniform in the prior art with use
The MIMO phased array antenna for mode of structuring the formation is compared, and the MIMO phased array antenna for mode of uniformly structuring the formation is in addition to dual-polarized, microstrip day
The arrangement mode of line unit is with except 1 difference of embodiment, and other structures are same as Example 1, the MIMO for mode of uniformly structuring the formation
The arrangement mode of phased array antenna is by the way of uniformly distributed arrangement conventional in the prior art.Embodiment 1 and uniform cloth array antenna
It is as shown in Figure 6 and Figure 7 in the radiation direction comparison diagram difference of 0 ° and 60 ° scanning of horizontal plane, as can be seen from Figures 6 and 7, implement
The MIMO phased array antenna horizontal planes of example 1 have~4 ° of direction 3 ° narrower than the MIMO phased array antenna main lobe wave beams uniformly structured the formation
Wave beam.
The MIMO phased array antenna of embodiment 1 and the MIMO phased array antenna uniformly structured the formation are carried out vertical Surface scan to imitate
Very.Fig. 8 is the antenna pattern for 10 degree of the vertical Surface scan of MIMO phased array antenna uniformly structured the formation, and Fig. 9 is the MIMO of embodiment 1
The antenna pattern of 15 degree of the vertical Surface scan of phased array antenna.From figure 8, it is seen that the MIMO phased array antenna uniformly structured the formation is hung down
Face directly radiation direction be only capable of scanning to 5 ° or so, and the MIMO phased array antenna of embodiment 1 face directly radiation direction can scan to
15 °, the MIMO phased array antenna than uniformly structuring the formation increases by 10 ° of scanning angles, can solve the user of different height in same orientation
Communication issue.
Embodiment 2
As shown in Figure 10, the present embodiment place different from embodiment 1 is：The first feeding network plate 3- of the present embodiment
1 and second feeding network plate 3-2 it is adjacent shift to install, i.e. the center line a1 and the second feeding network of the first feeding network plate 3-1
The center line a2 of plate 3-2 is mutually parallel, and the center of the first feeding network plate 3-1 center lines a1 and the second feeding network plate 3-2
The distance between line a2 is 1.2 λ0。
The antenna of embodiment 2 is subjected to horizontal Surface scan emulation, at the same with using mode of uniformly structuring the formation in the prior art
MIMO phased array antenna is compared, the row of the MIMO phased array antenna of mode of uniformly structuring the formation in addition to double polarized micro strip antenna unit
Row mode is with except 1 difference of embodiment, and other structures are same as Example 1, the MIMO phased array antenna for mode of uniformly structuring the formation
Arrangement mode by the way of uniformly distributed arrangement conventional in the prior art.Embodiment 2 and uniform cloth array antenna are in 0 ° of horizontal plane
The radiation direction comparison diagram scanned with 60 ° as is illustrated by figs. 11 and 12, can be seen that embodiment 2 from Figure 11 and Figure 12 respectively
MIMO phased array antenna has~10 ° of pattern beam 7 ° narrower than the MIMO phased array antenna main lobe wave beams uniformly structured the formation, and
And the MIMO phased array antenna horizontal plane radiation pattern 3dB beam angles of embodiment 2 are than the MIMO phased array antenna of embodiment 1
Horizontal plane radiation pattern 3dB beam angles are 4 ° narrow~and 6 °.
Various pieces are described by the way of progressive in this specification, and what each some importance illustrated is and other parts
Difference, just to refer each other for same or similar part between various pieces.Syntagmatic between these parts is simultaneously
Form more than disclosed in embodiment, the foregoing description of the disclosed embodiments enable professional and technical personnel in the field
Realize or use the utility model.Various modifications to these embodiments will be for those skilled in the art it is aobvious and
It is clear to, the general principles defined herein can without departing from the spirit or scope of the present utility model, at it
It is realized in its embodiment.Therefore, the utility model is not intended to be limited to embodiment illustrated herein, and is to fit to and this paper
The consistent widest range of disclosed principle and features of novelty.
Claims (10)
1. a kind of MIMO phased array antenna, which is characterized in that including：
Feeding network change-over panel, the feeding network change-over panel include the first feeding network plate and the second transmission network being disposed adjacent
Network plate；
Non-uniform Distribution is in the positive double polarized micro strip antenna unit of the feeding network change-over panel, the first feeding network plate
The arrangement of the arrangement position and double polarized micro strip antenna unit on the second feeding network plate of upper double polarized micro strip antenna unit
Position is in a center of symmetry with the center of the feeding network change-over panel；
It is set to the radio frequency connector of the feeding network conversion back；
The metal fixing plate being stacked in below the feeding network change-over panel；
The antenna house being set on the feeding network change-over panel.
2. MIMO phased array antenna according to claim 1, it is characterised in that：It is provided on the first feeding network plate
16 groups of double polarized micro strip antenna units, double polarized micro strip antenna unit are arranged by following position coordinates：First dual-polarized, microstrip day
The coordinate of line unit is (0,3.7 λ0), the coordinate of the second double polarized micro strip antenna unit is (0.525 λ0, 3.1 λ0), third is bipolar
The coordinate for changing microband antenna unit is (- 0.525 λ0, 3.1 λ0), the coordinate of the 4th double polarized micro strip antenna unit is (0,2.7
λ0), the coordinate of the 5th double polarized micro strip antenna unit is (0.575 λ0, 2.1 λ0), the coordinate of the 6th double polarized micro strip antenna unit
For (- 0.575 λ0, 2.1 λ0), the coordinate of the 7th double polarized micro strip antenna unit is (0,1.7 λ0), the 8th double polarized micro strip antenna
The coordinate of unit is (0.975 λ0, 1.4 λ0), the coordinate of the 9th double polarized micro strip antenna unit is (- 0.975 λ0, 1.4 λ0), the
The coordinate of ten double polarized micro strip antenna units is (0.45 λ0, λ0), the coordinate of the 11st dual-polarized, microstrip antenna element is (- 0.45
λ0, λ0), the coordinate of the 12nd double polarized micro strip antenna unit is (1.2 λ0, 0.3 λ0), the 13rd double polarized micro strip antenna unit
Coordinate be (0.675 λ0, 0.3 λ0), the coordinate of the 14th double polarized micro strip antenna unit is (0,0.3 λ0), the 15th dual polarization
The coordinate of microband antenna unit is (- 0.675 λ0, 0.3 λ0), the coordinate of the 16th double polarized micro strip antenna unit is (- 1.2 λ0,
0.3λ0), wherein coordinate origin is the central point of the feeding network change-over panel, λ0For phased array antenna center operating frequency
Corresponding space wavelength；The arrangement position of double polarized micro strip antenna unit on the first feeding network plate is turned around feeding network
The arrangement position of double polarized micro strip antenna unit on the second feeding network plate is obtained after changing 180 ° of the center rotation of plate.
3. MIMO phased array antenna according to claim 2, it is characterised in that：The first feeding network plate and the second feedback
Electric network plate is disposed adjacent side by side.
4. MIMO phased array antenna according to claim 2, it is characterised in that：The first feeding network plate and the second feedback
The dislocation of electric network plate is disposed adjacent.
5. MIMO phased array antenna according to claim 4, it is characterised in that：The first feeding network plate center line and
The distance between center line of the second feeding network plate is 1.2 λ0。
6. according to the MIMO phased array antenna described in claims 1 or 2 or 3 or 4 or 5, it is characterised in that：The antenna house is ring
Oxygen fiberglass radome.
7. MIMO phased array antenna according to claim 1, it is characterised in that：The double polarized micro strip antenna unit includes
Etch 4 rectangular aerial radiation pieces on dielectric-slab, 4 aerial radiation piece relative medium plate center symmetric settings.
8. MIMO phased array antenna according to claim 7, it is characterised in that：The double polarized micro strip antenna unit also wraps
Include the raised fixed part below dielectric-slab, raised fixed part surface adhesion metal copper foil.
9. MIMO phased array antenna according to claim 1, it is characterised in that：The front erosion of the feeding network change-over panel
It is carved with the conversion microstrip line of connection double polarized micro strip antenna unit and radio frequency connector, the line width of the conversion microstrip line is
1.6mm, the corner for converting microstrip line have radius into the circular arc of 1mm.
10. the MIMO phased array antenna according to claim 1 or 9, it is characterised in that：The metal fixing plate is aluminium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820053326.4U CN207800921U (en) | 2018-01-12 | 2018-01-12 | A kind of MIMO phased array antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820053326.4U CN207800921U (en) | 2018-01-12 | 2018-01-12 | A kind of MIMO phased array antenna |
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| Publication Number | Publication Date |
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| CN207800921U true CN207800921U (en) | 2018-08-31 |
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| CN201820053326.4U Active CN207800921U (en) | 2018-01-12 | 2018-01-12 | A kind of MIMO phased array antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540755A (en) * | 2021-06-24 | 2021-10-22 | 西安电子科技大学 | 5G dual-polarized base station antenna with high isolation characteristic and wide-angle scanning characteristic |
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2018
- 2018-01-12 CN CN201820053326.4U patent/CN207800921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540755A (en) * | 2021-06-24 | 2021-10-22 | 西安电子科技大学 | 5G dual-polarized base station antenna with high isolation characteristic and wide-angle scanning characteristic |
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