CN107394400A - A kind of array antenna system - Google Patents
A kind of array antenna system Download PDFInfo
- Publication number
- CN107394400A CN107394400A CN201710538342.2A CN201710538342A CN107394400A CN 107394400 A CN107394400 A CN 107394400A CN 201710538342 A CN201710538342 A CN 201710538342A CN 107394400 A CN107394400 A CN 107394400A
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- Prior art keywords
- antenna
- reception
- dielectric
- slab
- transmitting
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/106—Microstrip slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- Details Of Aerials (AREA)
Abstract
The invention belongs to antenna technical field, in particular relate to a kind of array antenna system, it includes at least one transmitting antenna and at least one reception antenna, between transmitting antenna and reception antenna, side of the transmitting antenna away from reception antenna, side of the reception antenna away from transmitting antenna be equipped with puppet's antenna；The transmitting antenna is identical with the structure of reception antenna, and transmitting antenna and reception antenna are located on same dielectric-slab, and the transmitting antenna, reception antenna and puppet's antenna are parallel to each other in the longitudinal direction.The antenna system of the present invention can effectively suppress the mutual coupling effect between antenna, reduce the fluctuating range of antenna, while improve the isolation between transmitting antenna and reception antenna.
Description
Technical field
The invention belongs to antenna technical field, in particular relates to a kind of array antenna system.
Background technology
Array antenna has a very wide range of applications in radio communication and other application field, and it can produce more clever
Directional diagram living can produce higher gain to meet the needs of different scenes by the way that multiple antennas are formed into array.
However, all there is the problem of mutual coupling effect in array antenna (especially small separation array antennas).In traditional antenna battle array
In the research of row, it can often assume that antenna element works in ideally, can't consider the influence of mutual coupling effect, this will lead
There is deviation in the actual conditions and expection for causing array antenna.It is not only between antenna element in the array antenna system of reality
Vertical and onrelevant, each antenna element can regard opening circuit as, thus there is the energy between antenna element
Coupling, especially under the development trend of array antenna miniaturization, mutual coupling problem, which turns into, restricts the pass that array antenna performance improves
Key problem.
Therefore it provides it is a kind of can effectively suppress mutual coupling effect array antenna it is necessary.
The content of the invention
According to problems of the prior art, the invention provides a kind of array antenna system, and it can effectively suppress
Mutual coupling effect between antenna, the fluctuating range of antenna is reduced, improve the performance of array antenna, while also improve transmitting-receiving
Isolation between antenna.
The present invention uses following technical scheme：
A kind of array antenna system, including at least one transmitting antenna and at least one reception antenna, transmitting antenna is with connecing
Receive between antenna, side of the transmitting antenna away from reception antenna, side of the reception antenna away from transmitting antenna are equipped with puppet day
Line.
Preferably, the transmitting antenna is identical with the structure of reception antenna, and transmitting antenna and reception antenna are positioned at same
On one dielectric-slab, the transmitting antenna, reception antenna and puppet's antenna are parallel to each other in the longitudinal direction.
It is further preferred that the antenna stack of the transmitting antenna and reception antenna is respectively positioned on the front of dielectric-slab, launch day
The metal ground layer of line and reception antenna is respectively positioned on the back side of dielectric-slab；The transmitting antenna and reception antenna include multiple radiation
Gap, multiple plated-through holes and a transmission port；In the same antenna, if the center line of antenna along its length is its axle
Line, adjacent two radiating slots or so are alternately located at the both sides of axis, and adjacent two radiating slots are in axis direction
On centre distance it is equal, the radiating slot positioned at axis both sides is equal apart from the distance of axis；In the same antenna, Duo Gejin
Multiple radiating slots are surrounded half-surrounded by categoryization through hole, and multiple plated-through holes are metallized by two row plated-through holes and a line
Through hole forms, and two row plated-through holes are each parallel to axis and are symmetricly set on the both sides of axis, and a line plated-through hole is set
In the one end of antenna axis direction away from transmission port, two row plated-through holes are connected into semi-surrounding by a line plated-through hole
Shape, the transmission port are located at the other end in antenna axis direction.
Still more preferably, the transmission port is arranged on transmitting antenna and remote a line metallization of reception antenna is logical
The one end in hole, and the transmission port is arranged between two row plated-through holes；The transmission port is Wedge structure, that is, is existed
The front of dielectric-slab is provided with front right angled triangle region, and back side right angled triangle region is provided with the back side of dielectric-slab,
The bottom of one right-angle side in front right angled triangle region and a right-angle side in back side right angled triangle region with dielectric-slab
Side coincident, and a right-angle side in front right angled triangle region and a right-angle side in back side right angled triangle region exist
Overlapped on the front of dielectric-slab along the projection in media plate thickness direction, front right angled triangle region and back side right angled triangle area
Domain is symmetrical on antenna axis；The front right angled triangle region and back side right angled triangle region is in the thickness along dielectric-slab
The intersecting part of direction projection is in Openworks shape.
Still more preferably, the dielectric-slab is on the front and back, logical in multiple radiating slots, multiple metallization
Hole, transmission port front right angled triangle region and back side right angled triangle region outside position on through covering Copper treatment；
The hole wall material matter of plated-through hole is copper metal, and it connects into the lying copper region domain in positive the lying copper region domain and the back side of dielectric-slab
It is overall.
Still more preferably, after the structure of puppet's antenna removes transmission port with transmitting antenna and reception antenna
Structure is identical；Side of the transmitting antenna away from reception antenna, side of the reception antenna away from transmitting antenna are respectively provided with four row
Puppet's antenna.
Still more preferably, the transmitting antenna and reception antenna are multiple that puppet's antenna is also set respectively
In systems between transmitting antenna and transmitting antenna, between reception antenna and reception antenna.
Still more preferably, the dielectric-slab uses the sheet materials of Rogers 3003, and its dielectric constant is 3.0, and thickness is
0.254mm。
The beneficial effects of the present invention are：
1) antenna system of the invention includes transmitting antenna and reception antenna, and puppet's antenna, puppet are equipped between each antenna
It is identical that the structure of puppet antenna and transmitting antenna and reception antenna remove the structure after transmission port, its can effectively suppress antenna it
Between mutual coupling effect, reduce the fluctuating range of antenna, improve the performance of array antenna.
2) transmitting antenna of antenna system of the invention and reception antenna employ the shape of SIW gaps crossfeed array antenna
Formula, the advantages of having micro-strip and rectangle type antenna concurrently, i.e., with filter with low insertion loss, low interference, power capacity is high, size is small, is easy to altogether
The advantages of shape and high integrated level；Because SIW gaps crossfeed array antenna volume is smaller in itself, plus transmitting antenna and reception antenna
It is integrated on same dielectric-slab, enhances the integrated level between dual-mode antenna, meets the radar application of millimeter wave high band
Need.
3) structure after the structure of puppet's antenna of the invention removes transmission port with transmitting antenna and reception antenna is identical,
Without otherwise designed and processing, reduce design and the workload processed.
4) transmission port in transmitting antenna and reception antenna of the invention is provided with the Wedge structure for being used for connecting waveguide,
Wedge structure is right angled triangle in the region of the front and back of dielectric-slab, and two right angled triangles are in symmetry shape, phase
For traditional fin line structure, Insertion Loss and reflectance factor can realize good impedance matching, but Wedge structure is easy to process,
Reduce difficulty of processing.
Brief description of the drawings
Fig. 1 be the embodiment of the present invention antenna system in antenna antenna stack where face structural representation.
Fig. 2 be the embodiment of the present invention antenna system in antenna metal ground layer where face structural representation.
Fig. 3 is the measurement direction figure for the antenna system transmitting antenna for being not provided with puppet's antenna.
Fig. 4 is the measurement direction figure for the antenna system reception antenna for being not provided with puppet's antenna.
Fig. 5 is the measurement direction figure of inventive antenna system transmitting antenna.
Fig. 6 is the measurement direction figure of inventive antenna system reception antenna.
Fig. 7 is that the isolation being not provided between the antenna system of puppet's antenna and the dual-mode antenna of inventive antenna system is surveyed
Attempt.
Fig. 8 is schematic diagram of the transmission port in the embodiment of the present invention using Wedge structure.
Fig. 9 is schematic diagram of the transmission port in the embodiment of the present invention using traditional fin line structure.
Figure 10 is testing performance index figure when transmission port in the embodiment of the present invention uses Wedge structure.
Figure 11 is testing performance index figure when transmission port in the embodiment of the present invention uses traditional fin line structure.
Reference：1- transmitting antennas, 11- radiating slots, 12- plated-through holes, 13- transmission ports, 2- reception antennas,
3- puppet's antennas, 4- dielectric-slabs.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, a kind of array antenna system, including at least one transmitting antenna 1 and at least one reception day
Line 2, between transmitting antenna 1 and reception antenna 2, side of the transmitting antenna 1 away from reception antenna 2, reception antenna 2 away from transmitting day
The side of line 1 is equipped with puppet's antenna 3.
The transmitting antenna 1 is identical with the structure of reception antenna 2, and transmitting antenna 1 and reception antenna 2 are located at same Jie
On scutum 4, the transmitting antenna 1, reception antenna 2 and puppet's antenna 3 are parallel to each other in the longitudinal direction.
The antenna stack of the transmitting antenna 1 and reception antenna 2 is respectively positioned on the front of dielectric-slab 4, transmitting antenna 1 and reception day
The metal ground layer of line 2 is respectively positioned on the back side of dielectric-slab 4；The transmitting antenna 1 and reception antenna 2 include multiple radiating slots
11st, multiple plated-through holes 12 and a transmission port 13；In the same antenna, if the center line of antenna along its length is it
Axis, adjacent two radiating slots 11 or so are alternately located at the both sides of axis, and adjacent two radiating slots 11 are in axle
Centre distance on line direction is equal, and the radiating slot 11 positioned at axis both sides is equal apart from the distance of axis；The same antenna
Interior, multiple radiating slots 11 are surrounded half-surrounded by multiple plated-through holes 12, and multiple plated-through holes 12 are metallized by two row
Through hole 12 and a line plated-through hole 12 form, and two row plated-through holes 12 are each parallel to axis and are symmetricly set on the two of axis
Side, a line plated-through hole 12 are arranged on the one end of antenna axis direction away from transmission port 13, and a line plated-through hole 12 will
Two row plated-through holes 12 are connected into half-surrounded, and the transmission port 13 is located at the other end in antenna axis direction.
As shown in figure 8, the transmission port 13 is arranged on transmitting antenna 1 and remote a line metallization of reception antenna 2 is logical
The one end in hole 12, and the transmission port 13 is arranged between two row plated-through holes 12；The transmission port 13 is wedge
Structure, i.e., be provided with front right angled triangle region in the front of dielectric-slab 4, and the back side of dielectric-slab 4 is provided with back side right angle
Delta-shaped region, a right-angle side in front right angled triangle region and a right-angle side in back side right angled triangle region with
The base coincident of dielectric-slab 4, and a right-angle side in front right angled triangle region and back side right angled triangle region
One right-angle side overlaps on the front of dielectric-slab 4 along the projection of the thickness direction of dielectric-slab 4, front right angled triangle region and the back of the body
Face right angled triangle region is symmetrical on antenna axis；The front right angled triangle region and back side right angled triangle region exists
The part intersecting along the thickness direction projection of dielectric-slab 4 is in Openworks shape；Solid line represents 4 positive Wedge structure of dielectric-slab in Fig. 8
Schematic diagram, dotted line represents the schematic diagram of the Wedge structure at dielectric-slab 4 back side.
The dielectric-slab 4 on the front and back, in multiple radiating slots 11, multiple plated-through holes 12, transmission port
Through covering Copper treatment on position outside 13 front right angled triangle region and back side right angled triangle region；Plated-through hole
12 hole wall material matter is copper metal, and it connects in the positive lying copper region domain of dielectric-slab 4 with the lying copper region domain at the back side integral.
Structure after the structure of puppet's antenna 3 removes transmission port 13 with transmitting antenna 1 and reception antenna 2 is identical；
The side of the transmitting antenna 1 away from reception antenna 2, side of the reception antenna 2 away from transmitting antenna 1 are respectively provided with four row puppet days
Line 3.
The transmitting antenna 1 and reception antenna 2 are multiple, and puppet's antenna 3, which is also separately positioned in system, to be launched
Between antenna 1 and transmitting antenna 1, between reception antenna 2 and reception antenna 2.
The dielectric-slab 4 uses the sheet materials of Rogers 3003, and its dielectric constant is 3.0, thickness 0.254mm.
Embodiment：
In embodiments of the invention, transmitting antenna 1 is two row, and the center spacing of two row transmitting antennas 1 is 1.5 times of electromagnetic waves
Wavelength, the row puppet antennas 3 of the centre of two row transmitting antenna 1 insertion two, often the center spacing between array antenna is 0.5 times of electromagnetic wave
Wavelength；Reception antenna 2 arranges for three, and the center spacing between three row reception antennas 2 is 0.5 times of electromagnetic wavelength；Two row transmittings
The outermost of the row reception antenna 2 of antenna 1 and three is equipped with four row puppet antennas 3, and the center spacing between every array antenna is 0.5
Times electromagnetic wavelength；It is provided between the antenna element that the antenna element and three row reception antennas 2 that two row transmitting antennas 1 are formed are formed
Four row puppet antennas 3, often the center spacing between array antenna is 0.5 times of electromagnetic wavelength.
In order to verify that the present invention has the effect for suppressing mutual coupling effect, respectively to being not provided with the antenna system of puppet's antenna 3
Tested with inventive antenna system, related conclusions are drawn by comparative analysis.
The antenna system for being not provided with puppet's antenna 3 is tested, obtains being not provided with the antenna system transmitting of puppet's antenna 3
The directional diagram of antenna and the directional diagram of reception antenna, respectively as shown in Figure 3, Figure 4；It can show that transmitting antenna is in ripple according to Fig. 3
In the range of ± 50 ° of beam covering, the gain of horizontal direction has larger fluctuation, fluctuating range about ± 2dB；Can according to Fig. 4
To draw, for reception antenna in the range of ± 50 ° of wave cover, the gain of horizontal direction equally has larger fluctuation, fluctuation
Amplitude about ± 2.5dB.
Inventive antenna system is tested, obtains the directional diagram and reception antenna of inventive antenna system transmitting antenna
Directional diagram, respectively as shown in Figure 5, Figure 6；It can be drawn according to Fig. 5, transmitting antenna is in the range of ± 50 ° of wave cover, water
Square to gain fluctuation rise and fall smaller, fluctuating range about ± 0.5dB；It can show that reception antenna covers in wave beam according to Fig. 6
In the range of ± 50 ° of lid, gain fluctuation equally smaller, the fluctuating range about ± 0.5dB of fluctuating of horizontal direction.
Pass through the contrast of above test result, it can be seen that inventive antenna system by setting puppet between antennas
Antenna 3, the mutual coupling effect between antenna is effectively inhibited, reduce the fluctuating range of antenna, improve the performance of array antenna.
Likewise, the antenna system and inventive antenna system that are not provided with puppet's antenna 3 are tested respectively, respectively
Isolation between the dual-mode antenna of two systems, as shown in fig. 7, line chart wherein where triangle represent not set
The analogous diagram of the isolation between the dual-mode antenna of the antenna system of puppet's antenna 3 is put, what the line chart where five-pointed star represented
The analogous diagram of isolation between the dual-mode antenna of inventive antenna system；It can be drawn according to Fig. 7, be not provided with puppet's antenna
Isolation between the dual-mode antenna of 3 antenna system is -19dB, the isolation between the dual-mode antenna of inventive antenna system
For -30dB；Pass through the contrast of above test result, it can be seen that inventive antenna system by setting puppet between antennas
Antenna 3, improve the isolation between dual-mode antenna.
For the transmission port 13 of a row transmitting antenna 1 or reception antenna 2, it is respectively adopted Wedge structure (such as Fig. 8 institutes
Show) and Insertion Loss during traditional fin line structure (as shown in Figure 9) and port reflectance factor tested, test result such as Figure 10,
Shown in Figure 11, Figure 10 is that transmission port 13 uses traditional fin using test chart during Wedge structure, Figure 11 for transmission port 13
Test chart during cable architecture, from Figure 10 and Figure 11 as can be seen that in 71~79GHz working frequency range, in the case of two kinds, pass
The Insertion Loss of defeated port 13 is each about 0.45dB, and reflectance factor is respectively less than -20dB, realizes good matching properties and broadband is special
Property.
Therefore, transmission port 13 can realize good impedance matching using Wedge structure and traditional fin line structure, but
It is that Wedge structure is easy to process, reduces difficulty of processing.
In summary, antenna system of the invention adds puppet's antenna between each antenna, the structure of puppet's antenna with
Structure after transmitting antenna and reception antenna removal transmission port is identical, and it can effectively suppress the mutual coupling effect between antenna,
The fluctuating range of antenna is reduced, while improves the isolation between transmitting antenna and reception antenna.
Claims (8)
- A kind of 1. array antenna system, it is characterised in that：Including at least one transmitting antenna (1) and at least one reception antenna (2), between transmitting antenna (1) and reception antenna (2), side of the transmitting antenna (1) away from reception antenna (2), reception antenna (2) Side away from transmitting antenna (1) is equipped with puppet's antenna (3).
- A kind of 2. array antenna system according to claim 1, it is characterised in that：The transmitting antenna (1) and reception day The structure of line (2) is identical, and transmitting antenna (1) and reception antenna (2) are located on same dielectric-slab (4), the transmitting antenna (1), reception antenna (2) and puppet's antenna (3) are parallel to each other in the longitudinal direction.
- A kind of 3. array antenna system according to claim 2, it is characterised in that：The transmitting antenna (1) and reception day The antenna stack of line (2) is respectively positioned on the front of dielectric-slab (4), and the metal ground layer of transmitting antenna (1) and reception antenna (2) is respectively positioned on Jie The back side of scutum (4)；The transmitting antenna (1) and reception antenna (2) include multiple radiating slots (11), multiple metallization are led to Hole (12) and a transmission port (13)；It is adjacent if the center line of antenna along its length is its axis in the same antenna Two radiating slot (11) left and right are alternately located at the both sides of axis, and adjacent two radiating slots (11) are in the axial direction Centre distance it is equal, the radiating slot (11) positioned at axis both sides is equal apart from the distance of axis；It is multiple in the same antenna Multiple radiating slots (11) are surrounded half-surrounded by plated-through hole (12), and multiple plated-through holes (12) are logical by two row metallization Hole (12) and a line plated-through hole (12) composition, two row plated-through holes (12) are each parallel to axis and are symmetricly set on axis Both sides, a line plated-through hole (12) is arranged on the one end of antenna axis direction away from transmission port (13), a line metallization Two row plated-through holes (12) are connected into half-surrounded, the transmission port (13) and are located at antenna axis direction by through hole (12) The other end.
- A kind of 4. array antenna system according to claim 3, it is characterised in that：The transmission port (13) is arranged on hair One end of remote a line plated-through hole (12) of antenna (1) and reception antenna (2) is penetrated, and the transmission port (13) is arranged on Between two row plated-through holes (12)；The transmission port (13) is Wedge structure, i.e., is provided with the front of dielectric-slab (4) Front right angled triangle region, back side right angled triangle region, front right angled triangle area are provided with the back side of dielectric-slab (4) The base coincident of one right-angle side in domain and a right-angle side in back side right angled triangle region with dielectric-slab (4), and One right-angle side in front right angled triangle region and a right-angle side in back side right angled triangle region in dielectric-slab (4) just Overlapped on face along the projection of dielectric-slab (4) thickness direction, front right angled triangle region and back side right angled triangle region on Antenna axis are symmetrical；The front right angled triangle region and back side right angled triangle region is in the thickness side along dielectric-slab (4) The part intersecting to projection is in Openworks shape.
- A kind of 5. array antenna system according to claim 4, it is characterised in that：The front of the dielectric-slab (4) and the back of the body On face, multiple radiating slots (11), multiple plated-through holes (12), transmission port (13) front right angled triangle region and Through covering Copper treatment on position outside the right angled triangle region of the back side；The hole wall material matter of plated-through hole (12) is copper metal, It connects in the positive lying copper region domain of dielectric-slab (4) with the lying copper region domain at the back side integral.
- A kind of 6. array antenna system according to Claims 2 or 3 or 4 or 5, it is characterised in that：Puppet's antenna (3) Structure and transmitting antenna (1) and reception antenna (2) to remove the structure after transmission port (13) identical；The transmitting antenna (1) The side of side, reception antenna (2) away from transmitting antenna (1) away from reception antenna (2) is respectively provided with four row puppet antennas (3).
- A kind of 7. array antenna system according to claim 6, it is characterised in that：The transmitting antenna (1) and reception day Line (2) is multiple, puppet's antenna (3) is also separately positioned between transmitting antenna in system (1) and transmitting antenna (1), Between reception antenna (2) and reception antenna (2).
- A kind of 8. array antenna system according to claim 7, it is characterised in that：The dielectric-slab (4) uses Rogers 3003 sheet materials, its dielectric constant are 3.0, thickness 0.254mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538342.2A CN107394400A (en) | 2017-06-30 | 2017-06-30 | A kind of array antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538342.2A CN107394400A (en) | 2017-06-30 | 2017-06-30 | A kind of array antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394400A true CN107394400A (en) | 2017-11-24 |
Family
ID=60335037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710538342.2A Withdrawn CN107394400A (en) | 2017-06-30 | 2017-06-30 | A kind of array antenna system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107394400A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449608A (en) * | 2018-12-05 | 2019-03-08 | 上海航天电子通讯设备研究所 | A kind of micro-strip array antenna structure that isolation between antennas can be improved |
| CN109638437A (en) * | 2018-12-07 | 2019-04-16 | 长沙瑞感电子科技有限公司 | A kind of MIMO millimeter wave microstrip antenna array |
-
2017
- 2017-06-30 CN CN201710538342.2A patent/CN107394400A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449608A (en) * | 2018-12-05 | 2019-03-08 | 上海航天电子通讯设备研究所 | A kind of micro-strip array antenna structure that isolation between antennas can be improved |
| CN109449608B (en) * | 2018-12-05 | 2020-11-17 | 上海航天电子通讯设备研究所 | Microstrip array antenna structure capable of improving isolation degree between antennas |
| CN109638437A (en) * | 2018-12-07 | 2019-04-16 | 长沙瑞感电子科技有限公司 | A kind of MIMO millimeter wave microstrip antenna array |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171124 |
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