CN107579335A - Broadband slot antenna element and slot antenna - Google Patents
Broadband slot antenna element and slot antenna Download PDFInfo
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- CN107579335A CN107579335A CN201710677506.XA CN201710677506A CN107579335A CN 107579335 A CN107579335 A CN 107579335A CN 201710677506 A CN201710677506 A CN 201710677506A CN 107579335 A CN107579335 A CN 107579335A
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- 230000010287 polarization Effects 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 125000002619 bicyclic group Chemical group 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
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- 238000002955 isolation Methods 0.000 abstract description 4
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- 238000004891 communication Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
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- 230000005855 radiation Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
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- 238000003491 array Methods 0.000 description 2
- 238000005388 cross polarization Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a kind of broadband slot antenna element, it includes patch layer, patch layer offers the first radiating slot and the second radiating slot, and the first radiating slot and the second radiating slot are shaped as polygon, and the first radiating slot, the second radiating slot are connected with feed end.Antenna element uses plane patch structure, simple in construction, to be readily produced making, cost cheap, feeding transmission distance, has the good characteristic of ultra wide band.Additionally provide a kind of slot antenna, the antenna includes the antenna unit array being made up of the broadband slot antenna element of reasonable layout, spacing between antenna element determines the beam angle of antenna horizontal plane, the antenna gain is high, isolation effect is good, cost is cheap, beautifies spotlight antenna or other antenna for base station available for cell.
Description
Technical field
The invention belongs to antenna technical field, is related to a kind of base stations in mobile communication system antenna, relates in particular to one kind
Broadband slot antenna element and slot antenna.
Background technology
Antenna is the indispensable component of any radio system, and its function is radiation or receives radio wave, its handle
Guided electromagnetic waves are changed into the radio wave (in emission system) of free space, or do opposite conversion (in reception system
In), so as to realize the radio communication between the one-to-one or multi-to-multi in the range of certain space, its communication, broadcast, TV,
It is widely used in the radio system such as radar and navigation.
In recent years, with the 3G communication technologys popularization and the 4G communication technologys rise, existing frequency spectrum resource growing tension,
The antenna for finding wide spectrum and high-efficiency frequency spectrum utilization rate is extremely urgent.Super-broadband tech have transmission rate is high, capacity is big,
The advantages that cost is low, small power consumption, function of keeping secret are good, strong antijamming capability, this cause super-broadband tech turn into most competitiveness and
One of technology of development prospect, it can not only provide high speed text, sound, picture, even video and pass service soon, moreover it is possible to meet
The higher communicating requirement that intelligent wireless product proposes at present, and antenna is as indispensable important portion in radio communications system
Part, the quality of itself directly affects the overall performance of wireless communication system, so the Novel Ultra Wideband Antenna arisen at the historic moment
Space is undoubtedly had a wide range of applications, has been applied to the side such as satellite communication, target identification, radar detection, GPS global locations at present
Face.
For the application demand of antenna, especially for base station communication antenna, its multipolarization characteristic is particularly important,
This is due to that base station builds that cost is very high in itself, if the antenna efficiency under high cost is undesirable, practicality can have a greatly reduced quality.
And multi-polarization antenna is not only able to radiate or receives the multipair electromagnetic wave with particular polarization direction, moreover it is possible to realize that transmitting-receiving is same
Work.The high-quality antenna of high-isolation and high cross polarization level can be realized in view of cross polarization, it is wide variety of at this stage
It is substantially all and uses quadrature dualpolarized antenna.Quadrature dualpolarized antenna can not only effectively carry out polarity diversity communication, moreover it is possible to increase
Low-frequency mutual interference, largely drops in strong anti-multipath fading ability.
As Long Term Evolution project (LTE) is formal commercial, LTE numbers of users sharply increase, and explosion type is presented in data service
Increase, upgrade with the construction of mobile network, the macro station covering in city is basically completed.And the depth covering of network is later stage net
The emphasis of network construction, be related to the experience sense of most users by.The aggravation of adjoint urbanization process, floor are built more next
Higher, neighbours living is more and more intensive, the hot spot region such as station terminal user density more and more higher.These all cover for network depth
Cover strip is completely newly challenged.Meanwhile antenna of mobile communication base station have passed through the development of more than ten years, technology is more and more ripe, product by
Gradually to high-end development.
In the design of current mobile communications antenna for base station, antenna cell design is the key link of product, and it requires single
Member possesses broadband, good directional diagram convergence.It is big using cross half-wave dipole or diamond-shaped element in these requirements
The preferred option of majority design, it is compact-sized because half-wave dipole subelement possesses good broadband character, it is easy to implement dual polarization
Design, feed Balun facilitate structure to fix, and a period of time processing of this type uses die cast or metal plate punching mode, and surface uses
Electro-coppering, tin plating processing, facilitate feed ground to weld, and a period of time is connected using fastener with reflecting plate, but it has production cost
The problem of higher, complicated and antenna bandwidth, gain intensity deficiency, vertical plane limited angle.
The content of the invention
Therefore, the present invention is exactly to solve above-mentioned technical problem, so as to propose a kind of low cost, broadband, vertical plane
Angle is big, the slot antenna element and slot antenna of high gain.
In order to solve the above technical problems, the technical scheme is that：
The present invention provides a kind of broadband slot antenna element, and it includes patch layer, first is offered on the patch layer
Radiating slot and the second radiating slot, first radiating slot and the second radiating slot are shaped as polygon, and described first
Radiating slot, the second radiating slot are connected with feed end.
Preferably, the patch layer is shaped as rectangle or axisymmetric hexagon, first radiating slot, second
Symmetry axis of the radiating slot along the rectangle or hexagon is symmetrical arranged.
Preferably, first radiating slot, the second radiating slot be shaped as axisymmetric triangle, quadrangle,
The composite figure of pentagon or triangle and rectangle.
First gap, the second gap are shaped as isosceles triangle, first radiating slot, the second radiating slot
Drift angle be oppositely arranged, and the drift angle be 30-40 °, the feed end is arranged at the drift angle of the isosceles triangle, the feedback
Electric end is copper rivet.
The present invention also provides a kind of slot antenna, and it includes reflecting plate, and the reflection plate surface is provided with by described day
The antenna unit array of line unit composition, the antenna element are fixed on the reflecting plate by support column.
Preferably, low frequency cell is additionally provided with the reflecting plate, the low frequency cell and the antenna unit array
Separated by isolating bar；The antenna element surface and a quarter that the distance for reflecting plate surface is wavelength, the reflection
The edges of boards of plate surrounding are higher than plate face.
Preferably, the low frequency cell includes dielectric layer, is opened in the 3rd radiating slot and the 4th of the dielectric layer
Radiating slot, the isosceles triangle that the 3rd radiating slot and the 4th radiating slot are oppositely arranged for drift angle, the isosceles three
Angular vertex is provided with copper feed end.
Preferably, the low frequency cell is bicyclic chip unit, microband paste unit or half-wave dipole subelement.
Preferably, along the length direction of the low frequency cell, antenna unit array described in two groups is respectively arranged at described
Low frequency cell both sides, be parallel to each other between antenna element in antenna unit array described in every group, and one group of antenna unit array with
Horizontal direction is obliquely installed in 45 °, and another group of antenna unit array is obliquely installed with horizontal direction in 135 °.
Or preferably, dual polarization right-angled intersection dipole antenna is provided between the antenna unit array, each
The antenna unit array is formed by four square enclose of antenna element, the dual polarization right-angled intersection dipole antenna list
Member is arranged at the square corner.
The above-mentioned technical proposal of the present invention has advantages below compared with prior art：
(1) broadband slot antenna element of the present invention, it includes patch layer, and the patch layer offers the first spoke
Gap and the second radiating slot are penetrated, first radiating slot and the second radiating slot are shaped as polygon, first spoke
Penetrate gap, the second radiating slot is connected with feed end.The antenna element uses plane patch structure, simple in construction, be easy to raw
Production makes, and the plane patch layer of antenna element offers the radiating slot of polygon first and the second radiating slot, slot patch feedback
When electric, gap long edge size is much larger than the 1/2 of wavelength, extends feeding transmission distance, similar to the structure of gradually changeable balun, makes
Obtaining antenna element has the good characteristic of ultra wide band, and the barron structure and patch layer of formation are in approximately the same plane so that structure
Simplify, antenna element cost is cheap.
(2) broadband slot antenna element of the present invention, the patch layer are shaped as rectangle or axisymmetric six
Side shape, first radiating slot, symmetry axis of second radiating slot along the rectangle or the hexagon are symmetrical arranged.Enter one
Step ground, first radiating slot, the second radiating slot are shaped as axisymmetric triangle, quadrangle, pentagon or triangle
The composite figure of shape and rectangle, first radiating slot, two angles of the second radiating slot are oppositely arranged.Axial symmetry rectangle or
The profile setting of hexagon, first radiating slot, the polygonal outer shape of the second radiating slot make it that antenna unit structure is simple
Single, the shape of patch layer and radiating slot can be according to the impedance bandwidth needed for antenna element and reflection parameters, the length of polygon
Degree and width depend on the frequency of bandwidth low frequency and the shape of feed end.
(3) broadband slot antenna element of the present invention, first gap, the second gap are shaped as isosceles three
Angular, its drift angle is 30-40 °, and the feed end is arranged at the drift angle of the isosceles triangle, and it is copper rivet, using etc.
Lumbar triangle shape can significantly simplify the structure of antenna element, and can realize linear polarization, single polarization radiation, and the drift angle of isosceles triangle is
30-40 ° so that its tall and big length in base, when direction of an electric field perpendicular to isosceles triangle it is high when, radiation characteristic horizontal plane
Wave beam squeezes, the gain of antenna element can high more than 2db, horizontal plane beam angle is small 25-30 °, is made using the copper rivet of crimping
For feed end, coaxial welding, remove electroplating surface process from, reduce production cost, while also there is the intermodulation effect connected.
(4) slot antenna of the present invention, including reflecting plate, the reflection plate surface are provided with by described antenna list
The antenna unit array of member composition, the antenna element are fixed on the reflecting plate by support column.The antenna includes rationally dividing
The slot antenna element array of cloth, the spacing between unit determine the beam angle of antenna horizontal plane, high gain, isolation effect
Well, cost is cheap, beautifies spotlight antenna or other antenna for base station available for cell.
(5) slot antenna of the present invention, is additionally provided with low frequency cell on the reflecting plate, and the low frequency cell can be with
For with slot antenna element identical structure, or conventional bicyclic chip unit, microband paste unit or half-wave dipole
Subelement, separated between the low frequency cell and slot antenna element by isolating bar, antenna element in the antenna unit array
Between be parallel to each other, and one group of antenna unit array is obliquely installed with horizontal direction in 45 °, another group of antenna unit array and water
Square it is obliquely installed in 135 °.This setup causes the perpendicular polarization of low frequency cell of centre, the slot antenna of both sides
Unit forms high frequency unit using parallel arrangement respectively as array, in ± 45 ° of polarization, has the big characteristic of vertical plane subtended angle.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, specific embodiment and combination below according to the present invention
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of the slot antenna element described in the embodiment of the present invention 1；
Fig. 2 is the structural representation of the slot antenna element described in the embodiment of the present invention 2；
Fig. 3 is the structural representation of the slot antenna element described in the embodiment of the present invention 3；
Fig. 4 is the structural representation of the slot antenna element described in the embodiment of the present invention 4；
Fig. 5 is another slot antenna element structural representation described in the embodiment of the present invention 4；
Fig. 6 is the structural representation of the slot antenna element described in the embodiment of the present invention 5；
Fig. 7 is the slot antenna configurations schematic diagram described in the embodiment of the present invention 6；
Fig. 8 is the slot antenna configurations schematic diagram described in the embodiment of the present invention 7；
Fig. 9 is the slot antenna configurations schematic diagram described in the embodiment of the present invention 8；
Reference is expressed as in figure：1- patch layers；The radiating slots of 2- first；The radiating slots of 3- second；4- feed ends；
5- reflecting plates；6- support columns；7- low frequency cells；8- isolating bars；The radiating slots of 9- the 3rd；The radiating slots of 10- the 4th；11- is bipolar
Change right-angled intersection dipole antenna unit.
The present invention can be implemented with many different forms, should not be construed as limited to embodiment set forth herein, on the contrary,
There is provided these embodiments so that the disclosure is thorough and complete, and will fully convey the concept of the invention to art technology
Personnel, the present invention will be defined by the claims.In the accompanying drawings, for clarity, the size of each device and relative can be exaggerated
Size.Description of the invention is for distinguishing similar pair with the term " first " in claims and accompanying drawing, " second " etc.
As without for describing specific order or precedence.It should be appreciated that the data so used in the appropriate case can be with
Exchange.In addition, term " comprising ", " having " and their any deformation, it is intended that cover non-exclusive include.
Embodiment
Embodiment 1
A kind of broadband slot antenna element is present embodiments provided, as shown in figure 1, it is plane patch structure, including
Patch layer 1, the patch layer 1 are aluminium sheet, in the present embodiment, the aluminium sheet model 5052-H32, the patch layer 1 it is outer
Shape can be rectangle or axisymmetric hexagon, rectangle as shown is in the present embodiment, along the rectangle long side, short side
Line symmetrically offers the first radiating slot 2 and the second radiating slot 3, and first radiating slot 2, the second radiating slot 3 can be with
It is isosceles triangle in the present embodiment, its is simple in construction, and two isoceles triangles for axisymmetric triangle or other polygons
The drift angle of shape is oppositely arranged, and the angle of drift angle is 30-40 °, to realize wideband impedance operator, the direction high along isosceles triangle,
Forming gradually changeable balun, balun and paster at grade, realize the simplification of structure, in the present embodiment, the paster
The length of layer 1 is 0.75 λ, and width is 0.33 λ, and a height of 0.32 λ of the isosceles triangle, the base of the isosceles triangle is
0.2 λ, λ are the launch wavelength of antenna.First radiating slot 2, the second radiating slot 3 are also associated with feed end 4, the feedback
Electric end 4 is copper rivet, is crimped on the vertex of isosceles triangle.
Embodiment 2
The present embodiment provides a kind of broadband slot antenna element, and it includes patch layer 1, as shown in Fig. 2 the present embodiment
In, the profile of the patch layer 1 is axisymmetric hexagon, as illustrated, the symmetry axis of hexagon is respectively horizontal symmetry axis
With vertically symmetrical axle, the first radiating slot 2, the second radiating slot are symmetrically arranged with along two symmetry axis on hexagon patch layer 1
3, first radiating slot 2, the 3rd radiating slot 3 are isosceles triangle, and the drift angle of two isosceles triangles is oppositely arranged,
The angle of drift angle is 30-40 °, and first gap 2, the vertex in the second gap 3 are also crimped with copper rivet feed end 4.
Embodiment 3
The present embodiment provides a kind of broadband slot antenna element, as shown in figure 3, its structure and the day described in embodiment 1
Line unit is essentially identical, and difference is, the first radiating slot 2, the shape of the second radiating slot 3 are different, as illustrated, this
In embodiment, first radiating slot 2, the second radiating slot 3 be shaped as it is axisymmetric, two groups face side and distinguish isometric four
Side shape, symmetry axis of two quadrangles along patch layer 1 are symmetrical arranged, and two angles connection setting that two quadrangles are relative, should
Two relative angle angles are 30-40 °, and are provided with copper rivet feed end (not shown) at relative two angles.
Embodiment 4
The present embodiment provides a kind of broadband slot antenna element, as shown in figure 4, its structure and the day described in embodiment 1
Line unit is essentially identical, and difference is, the first radiating slot 2, the shape of the second radiating slot 3 are different, as illustrated, this
In embodiment, first radiating slot 2, second radiating slot 3 are shaped as axisymmetric pentagon, with regarding shown in scheming
Angle, the pentagonal symmetry axis are horizontal symmetry axis, and it is intersecting and form 30-40 ° of angle that one group faces side, one group of opposite side with
Base is in 90 degree, and two pentagonal two 30-40 ° of angles are oppositely arranged and connected, and vertex is provided with copper rivet feedback
Electric end (not shown).
Or disposable embodiment is used as, first radiating slot 2, the second radiating slot 3 can also be such as Fig. 5
Shown structure, the first radiating slot 2,3 one groups of the second radiating slot face while for radius identical camber line, its excess-three bar while be straight
Line, and one group of opposite side is set with base in 90 °, constitutes the pentagon with horizontal symmetry axis.
Embodiment 5
The present embodiment provides a kind of the present embodiment and provides a kind of broadband slot antenna element, as shown in fig. 6, its structure with
Antenna element described in embodiment 1 is essentially identical, and difference is, the first radiating slot 2, the shape of the second radiating slot 3
Difference, as illustrated, in the present embodiment, first radiating slot 2, the second radiating slot 3 are shaped as axisymmetric triangle
The combined shaped of shape and rectangle, with the visual angle shown in scheming, the symmetry axis of the composite figure of the triangle and rectangle is level
Symmetry axis, each composite figure include an isosceles triangle, connect the vertical direction combined with the isosceles triangle bottom
The rectangle of rectangle, two horizontal directions connected with the top and bottom of vertical direction rectangle, and two isosceles triangle drift angles
It is oppositely arranged, relative two corner angles are 30-40 °.
Embodiment 6
The present embodiment provides a kind of slot antenna, as shown in fig. 7, it includes reflecting plate 5, the reflecting plate 5 is aluminium sheet, institute
State the one side of reflecting plate 5 and be provided with the antenna unit array being made up of the antenna element described in embodiment 1, the top of the antenna element
The distance on face and the surface of reflecting plate 5 is the 1/4 of antenna wavelength, and the another side of reflecting plate 5 is provided with the work(point to antenna element feed
Network, the antenna element are fixed on the reflecting plate 5 by support column 6, low frequency cell 7 are additionally provided with the reflecting plate 5,
The low frequency cell is separated with the antenna unit array by isolating bar 8.
The antenna unit array is arranged in a combination as the antenna element described in embodiment 1, two groups of antenna unit arrays
The both sides up and down of low frequency cell 7 are respectively arranged at, it is arranged in parallel between the antenna element in every group pattern, and it is located at low frequency
One group of antenna unit array of the top of unit 7 is obliquely installed with horizontal direction in 135 °, another group positioned at the lower section of low frequency cell 7
Antenna unit array is obliquely installed with horizontal direction in 45 °, and two groups of antenna unit arrays pass through two isolating bars 8 and low frequency cell
7 isolation, can pass through the beam angle apart from adjusting and optimizing antenna unit array vertical plane of two isolating bars 8.Same group of day
The wavelength for being smaller than antenna high-frequency emission between two neighboring antenna element, it is high in the present embodiment in line cell array
0.9 times of frequency wavelength, the spacing between antenna element determines the beam angle of antenna horizontal plane.
In the present embodiment, as illustrated, the structure of the low frequency cell 7 and the antenna unit structure described in embodiment 1
It is almost identical, including dielectric layer, the 3rd radiating slot 9 and the 4th radiating slot 10 that are opened in the dielectric layer, the described 3rd
The radiating slot 10 of radiating slot 9 and the 4th is the isosceles triangle that drift angle is oppositely arranged, and the isosceles triangle vertex is set
There is copper feed end 4, the feed end 4 crimps connection with reflecting plate 5.Constitute low frequency cell and antenna unit array composition
Vertical polarization and ± 45 ° of poliarizing antennas, the antenna frequency band can be 806-960MHz, 1710-2700MHz, meet gain
11.5db, 13.5db, and meet vertical plane large angle characteristic.
To improve before and after antenna than index, the edges of boards height of reflecting plate surrounding is higher than plate face.
As disposable embodiment, the antenna element in the antenna unit array can also use embodiment 2-4
Any described antenna element.
Embodiment 7
A kind of slot antenna is present embodiments provided, its structure is substantially the same manner as Example 6, and difference is, low frequency
Unit 7 is bicyclic chip unit, and antenna unit array is arranged in a combination as the antenna element described in embodiment 5, positioned at bicyclic
Antenna unit array above chip unit is in be obliquely installed with horizontal direction 45° angle, the day below bicyclic chip unit
Line cell array is in be set with 135 ° of overturning angles of horizontal direction, as shown in Figure 8；It includes dielectric layer to the bicyclic chip unit,
It is arranged at dielectric layer surface and is connected among two Q-RINGs at both ends, two Q-RINGs.
Embodiment 8
The present embodiment provides a kind of slot antenna, as shown in figure 9, the antenna includes reflecting plate 5, the table of reflecting plate 5
Face is provided with the antenna unit array being made up of the antenna element described in embodiment 2, and the antenna element is fixed by support column 6
In the reflecting plate 5.
Dual polarization right-angled intersection dipole antenna unit 11, specifically, this reality are provided among the antenna unit array
Apply in example, each antenna unit array is surrounded by 4 antenna elements and combined, and 4 antenna elements surround a pros
Shape, the dual polarization right-angled intersection dipole antenna unit 11 be arranged at the square corner that 4 antenna elements surround and in
Centre.
Experimental example
The basic parameter of slot antenna described in testing example 6, as a result as shown in table 1.
Table 1
Can be seen that the antenna from the test data of upper table has good circuit, radiation parameter, can meet high building
The requirement of 3 mouthfuls of vertical plane large angle antenna electrical specifications of 900/1800-D double frequencies.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
1. a kind of broadband slot antenna element, it is characterised in that including patch layer, the patch layer offers the first radiating slot
Gap and the second radiating slot, first radiating slot and the second radiating slot are shaped as polygon, first radiating slot
Gap, the second radiating slot are connected with feed end.
2. broadband slot antenna element according to claim 1, it is characterised in that the patch layer is shaped as rectangle
Or axisymmetric hexagon, the symmetrical axial symmetry of first radiating slot, the second radiating slot along the rectangle or hexagon
Set.
3. broadband slot antenna element according to claim 2, it is characterised in that first radiating slot, second
The composite figure for being shaped as axisymmetric triangle, quadrangle, pentagon or triangle and rectangle of radiating slot.
4. broadband slot antenna element according to claim 3, it is characterised in that first gap, the second gap
Be shaped as isosceles triangle, first radiating slot, the drift angle of the second radiating slot are oppositely arranged, and the drift angle is
30-40 °, the feed end is arranged at the drift angle of the isosceles triangle, and the feed end is copper rivet.
5. a kind of slot antenna, it is characterised in that including reflecting plate, the reflection plate surface is provided with is appointed by claim 1-4
The antenna unit array of antenna element composition described in one, the antenna element are fixed on the reflecting plate by support column.
6. slot antenna according to claim 5, it is characterised in that low frequency cell, institute are additionally provided with the reflecting plate
Low frequency cell is stated with the antenna unit array by isolating bar to be separated；The antenna element surface with it is described reflection plate surface away from
From a quarter for wavelength, the edges of boards of the reflecting plate surrounding are higher than plate face.
7. slot antenna according to claim 6, it is characterised in that the low frequency cell includes dielectric layer, is opened in institute
The 3rd radiating slot and the 4th radiating slot of dielectric layer are stated, the 3rd radiating slot and the 4th radiating slot are that drift angle is relative
The isosceles triangle of setting, the isosceles triangle vertex are provided with copper feed end.
8. slot antenna according to claim 6, it is characterised in that the low frequency cell is bicyclic chip unit, micro-strip
Chip unit or half-wave dipole subelement.
9. the slot antenna according to claim 7 or 8, it is characterised in that along the low frequency cell length direction, two groups of institutes
State antenna unit array and be respectively arranged at the low frequency cell both sides, it is mutually flat between antenna element in the antenna unit array
OK, and one group of antenna unit array is obliquely installed with horizontal direction in 45 °, and another group of antenna unit array is in horizontal direction
135 ° are obliquely installed.
10. slot antenna according to claim 6, it is characterised in that be provided between the antenna unit array bipolar
Change right-angled intersection dipole antenna unit, each antenna unit array is formed by four square enclose of antenna element,
The dual polarization right-angled intersection dipole antenna unit is arranged at the square corner.
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| CN201710677506.XA CN107579335A (en) | 2017-08-09 | 2017-08-09 | Broadband slot antenna element and slot antenna |
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| CN201710677506.XA CN107579335A (en) | 2017-08-09 | 2017-08-09 | Broadband slot antenna element and slot antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232445A (en) * | 2018-01-30 | 2018-06-29 | 厦门大学嘉庚学院 | Triangle spiral slit-compound ultra-wide band antenna of hexagonal array and its method of work |
| CN110085986A (en) * | 2019-06-25 | 2019-08-02 | 东南大学 | It is a kind of can the big frequency of beam scanning compare dual-band antenna |
| CN110165380A (en) * | 2019-06-05 | 2019-08-23 | 中天宽带技术有限公司 | A kind of antenna for base station that multifrequency is shared |
| CN111029791A (en) * | 2019-12-20 | 2020-04-17 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Tightly coupled dipole reflection antenna array |
| JP2020180883A (en) * | 2019-04-25 | 2020-11-05 | 京セラ株式会社 | Electronic apparatus, method for controlling electronic apparatus, and control program for electronic apparatus |
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| CN112585818B (en) * | 2018-07-31 | 2022-06-10 | 劲通开曼有限公司 | Split diamond antenna elements for controlling azimuth pattern in different array configurations |
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| EP4106107A1 (en) * | 2021-06-14 | 2022-12-21 | Airbus (S.A.S.) | Flat rf tiles for multiple band electrical steerable antennas |
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