CN109713440A - A kind of antenna element and array antenna - Google Patents
A kind of antenna element and array antenna Download PDFInfo
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- CN109713440A CN109713440A CN201811627554.9A CN201811627554A CN109713440A CN 109713440 A CN109713440 A CN 109713440A CN 201811627554 A CN201811627554 A CN 201811627554A CN 109713440 A CN109713440 A CN 109713440A
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- 230000003071 parasitic effect Effects 0.000 claims abstract description 134
- 230000010287 polarization Effects 0.000 claims abstract description 53
- 230000005855 radiation Effects 0.000 claims abstract description 16
- 230000024241 parasitism Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The present invention provides a kind of antenna element and array antenna, the antenna element includes ground plane, dielectric layer and radiation patch component；The radiation patch component includes the first polarization component and the second polarization component；First polarization component includes first extremely sub, the second extremely sub, the first parasitic extremely son, second parasitic extremely sub and the first feeder line；Second polarization component includes third extremely son, quadrapole, third parasitism extremely son, the 4th parasitic extremely son and the second feeder line；Described first extremely son and the described second extremely son along first direction is laid in the dielectric layer far from the ground plane side, and is symmetrical arranged in a second direction, and the first direction and second direction are mutually perpendicular to.The present invention, which is utilized, realizes that the double frequency of millimeter wave band covers with parasitic pole minor structure, and wherein parasitic layout can reduce low-and high-frequency interference in opposite vertical polarization.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to the field of communications technologies, and in particular, to an antenna unit and an array antenna.
[ background of the invention ]
At present, in millimeter wave band, the research on array for simultaneously realizing double frequency and double polarization is less. The bandwidths covered by 28GHz and 39GHz simultaneously are narrow, the realization form is too complex, the cross polarization ratio generated by dual polarization is still poor, and the size of the dual polarization antenna is disadvantageous.
[ summary of the invention ]
The invention provides an antenna unit and an array antenna aiming at solving the technical problems of the existing dual-frequency and dual-polarization antenna.
In order to achieve the above object, the present invention provides an antenna unit, where the antenna unit includes a ground layer, a dielectric layer, and a radiation patch assembly, the radiation patch assembly is disposed on the dielectric layer, and the ground layer is located on a side of the dielectric layer away from the radiation patch assembly; the radiation patch assembly comprises a first polarization assembly and a second polarization assembly; the first polarization component comprises a first pole, a second pole, a first parasitic pole, a second parasitic pole and a first feeder line; the second polarization component comprises a third pole, a fourth pole, a third parasitic pole, a fourth parasitic pole and a second feeder line; the first pole and the second pole are arranged on the dielectric layer at intervals along a first direction; the first pole is provided with a first feeding part, and the first feeder line extends from the first feeding part to the second pole; the second pole is provided with a first grounding point and is connected with the grounding layer through the first grounding point; the third pole and the fourth pole are arranged on the dielectric layer at intervals along a second direction, the second direction is perpendicular to the first direction, the first direction and the second direction are intersected at an intersection point, the first pole and the second pole are symmetrically arranged about the intersection point, and the third pole and the fourth pole are symmetrically arranged about the intersection point; the third pole is provided with a second grounding point and is connected with the grounding layer through the second grounding point; the fourth pole is provided with a second feeding part, and the second feeder line extends from the second feeding part to the third pole; the first parasitic pole and the second parasitic pole are respectively arranged on the third pole and the fourth pole and are symmetrically arranged relative to the first direction; the third parasitic pole and the fourth parasitic pole are respectively arranged on the first pole and the second pole and are symmetrically arranged relative to the second direction.
Preferably, the first parasitic pole and the second parasitic pole are symmetrically arranged with the first feed line as a symmetry axis; the third parasitic pole and the fourth parasitic pole are symmetrically arranged by taking the second feeder line as a symmetry axis.
Preferably, the first parasitic pole includes a first parasitic portion, the second parasitic pole includes a second parasitic portion, the first parasitic portion is disposed on the fourth pole, and two opposite ends of the first parasitic portion are respectively located at two opposite sides of the fourth pole in the first direction; the second parasitic part is arranged on the third pole and is axially symmetrical to the first parasitic part; the third parasitic pole comprises a third parasitic part, the fourth parasitic pole comprises a fourth parasitic part, the third parasitic part is arranged on the first pole, and two opposite ends of the third parasitic part are respectively positioned at two opposite sides of the first pole in the second direction; the second parasitic part is arranged on the third pole and is axially symmetrical to the first parasitic part.
Preferably, the first parasitic pole further comprises first extension portions, the first extension portions are disposed at two opposite ends of the first parasitic portion and extend in a direction away from the third pole; the second parasitic part is arranged on the first side of the first electrode plate, and the second parasitic part is arranged on the second side of the first electrode plate; the third pole further comprises third extending parts, wherein the third extending parts are arranged at two opposite ends of the third parasitic part and extend in a direction away from the second pole; the fourth pole further comprises a fourth extending portion, and the fourth extending portion is arranged at two opposite ends of the fourth parasitic portion and extends in a direction away from the first pole.
Preferably, an included angle α is formed between the first extending portion and the first parasitic portion, the second extending portion and the first extending portion are arranged in an axisymmetric manner by taking the first feeder line as a symmetry axis, an included angle β is formed between the third extending portion and the third parasitic portion, the fourth extending portion and the third extending portion are arranged in an axisymmetric manner by taking the second feeder line as an axis, and the included angle α and the included angle β satisfy that 130 degrees is greater than α degrees, β degrees is greater than 100 degrees.
Preferably, the first pole and the second pole have a first pitch therebetween; the third pole and the fourth pole are provided with a second distance therebetween; the extension length of the first parasitic part in the first direction is greater than the first distance; the extension length of the third parasitic part in the second direction is larger than the second distance.
Preferably, the first pole and the second pole have the same shape, and the third pole and the fourth pole have the same shape; or the first, second, third and fourth poles have the same shape.
Preferably, the first pole, the second pole, the third pole and the fourth pole are all arranged on one side of the dielectric layer away from the ground layer in a butterfly structure.
The invention also provides an array antenna, which comprises at least two antenna units.
Preferably, the antenna elements are arranged in a straight line.
The invention has the beneficial effects that: the dual-frequency coverage of the millimeter wave band is realized by using a polar structure with a parasitic, wherein the parasitic layout can reduce high and low frequency interference on opposite vertical polarization.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of an antenna unit according to the present invention.
Fig. 2 is a schematic diagram of an exploded structure of an antenna unit provided by the present invention.
Fig. 3 is a schematic perspective view of a first polarization component of the antenna unit provided by the present invention.
Fig. 4 is a schematic perspective view of a second polarization component of the antenna unit provided by the present invention.
Fig. 5 is a schematic diagram of an adapting structure of a first polarization component and a second polarization component of an antenna unit provided by the present invention.
Fig. 6 is a schematic diagram of an adapting structure of a second polarization component and a first polarization component of an antenna unit provided by the present invention.
Fig. 7 is a schematic perspective view of an array antenna according to a second embodiment of the present invention.
Fig. 8A is a graph of the reflection coefficient of the first polarization component of antenna element 100.
Fig. 8B is a graph of the efficiency of the first polarization component of antenna element 100.
Fig. 8C is a 28GHz gain pattern for the first polarization component of antenna element 100.
Fig. 8D is a 39GHz gain pattern for the first polarization component of antenna element 100.
Fig. 9A is a graph of the reflection coefficient of the second polarization component of the antenna element 100.
Fig. 9B is a graph of the efficiency of the second polarization component of the antenna element 100.
Fig. 9C is a 28GHz gain pattern for the second polarization component of the antenna element 100.
Fig. 9D is a 39GHz gain pattern for the second polarization component of the antenna element 100.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a first embodiment of the present invention provides an antenna unit 100, where the antenna unit 100 includes a ground layer 10, a dielectric layer 20 and a radiation patch element 30, where the radiation patch element 30 is disposed on the dielectric layer 20, the ground layer 10 is located on a side of the dielectric layer 20 away from the radiation patch element 30, that is, the dielectric layer 20 is disposed between the ground layer 10 and the radiation patch element 30. To reduce electromagnetic losses, the dielectric constant and loss tangent of the dielectric layer 20 may be adjusted as desired, preferably, the dielectric constant of the dielectric layer 20 is 2.8 and the loss tangent is 0.002, thereby greatly reducing losses to the overall performance of the antenna unit 100.
Referring to fig. 2-6, the radiating patch assembly 30 includes a first polarization assembly 40 and a second polarization assembly 50 so that the antenna unit 100 can provide dual-polarized electromagnetic waves. Wherein,
the first polarization component 40 includes a first pole 401, a second pole 402, a first parasitic pole 403, a second parasitic pole 404, and a first feed line 405.
The second polarization component 50 includes a third pole 501, a fourth pole 502, a third parasitic pole 503, a fourth parasitic pole 504, and a second feed line 505.
The first pole 401 and the second pole 402 are disposed on a side of the dielectric layer 20 away from the ground layer 10, and the first pole 401 and the second pole 402 are spaced along the first direction. Meanwhile, the first pole 401 and the second pole 402 each extend in the first direction.
Preferably, the first pole 401 and the second pole 402 both extend in a first direction and are arranged axially symmetrically in a second direction, i.e. the first pole 401 and the second pole 402 have symmetry axes in the second direction, wherein the first direction and the second direction are perpendicular to each other.
The first pole 401 and the second pole 402 are butterfly-shaped, that is, the distance between two opposite sides of the first pole 401 close to each other is smaller than the distance between the other opposite sides, so as to increase the bandwidth in the first polarization direction.
Specifically, the butterfly structure may be a trapezoid, a triangle, or the like, and preferably, the first pole 401 and the second pole 402 are both in a trapezoid structure, and a side length of one end of the first pole 401 and the second pole 402 close to each other is smaller than a distance of the other end opposite to each other, that is, a side length of one end of the first pole 401 close to the second pole 402 is smaller than a side length of one end of the first pole 401 far from the second pole 402.
The first pole 401 is provided with a first feeding portion 4011, and the antenna unit 100 is provided with a first coaxial line 406, wherein the first coaxial line 406 penetrates through the dielectric layer 20 and the ground layer 10 and is fed to the first feeding portion 4011. The first feed line 405 extends from the first feed portion 4011 to the second pole 402, and the first feed line 405 is connected to the inner core of the first coaxial line 406 and the second pole 402, and the inner core of the first coaxial line 406 is a conductive core made of a conductive material, so that an external excitation signal can be transmitted to the second pole 402 through the inner core of the first coaxial line 406 via the first feed line 405.
At the same time, the first pole 401 is connected to the ground plane 10 by a first coaxial 406 outer conductive core. The connection in the present invention means the electrical connection between the two to realize the transmission of electrical signals.
The first feeding section 4011 includes a through hole opened in the first pole 401, and the inner core of the first coaxial line 406 passes through the through hole to be connected to the first feeding line 405.
Preferably, the first feeding line 405 is extended along a first direction and is disposed perpendicular to the second feeding line 505.
The second pole 402 is provided with a first grounding point 4021, the first grounding points 4021 may be one or more, and the second pole 402 is connected to the ground layer 10 through the first grounding point 4021.
The first parasitic pole 403 and the second parasitic pole 404 are respectively disposed on two opposite sides of the first feeding line 405, the first parasitic pole 403 is connected to the fourth pole 502, and the second parasitic pole 404 is connected to the third pole 501, so as to reduce interference of high and low frequencies in the first polarization direction.
Preferably, the first parasitic pole 403 and the second parasitic pole 404 are symmetrically disposed with the first feeding line 405 as a symmetry axis.
In some embodiments, the first parasitic pole 403 includes a first parasitic portion 4032,
the second parasitic pole 404 includes a second parasitic portion 4042, wherein the first parasitic portion 4032 extends in the first direction and is connected to the fourth pole 502. Preferably, two opposite ends of the first parasitic portion 4032 are respectively located on two opposite sides of the fourth pole 502 in the first direction.
Further, the extension distance of the first parasitic portion 4032 in the first direction is greater than the pitch between the first pole 401 and the second pole 402. The second parasitic portion 4042 is connected to the third pole 501 and is disposed in axial symmetry with the first parasitic portion 4032, and the axis of symmetry is the first feeding line 405, so as to obtain a stronger coupling effect.
In some embodiments, the first parasitic pole 403 further includes a first extension 4031, and the first extension 4031 is disposed at two opposite ends of the first parasitic portion 4032 and extends away from the third pole 501. The second parasitic pole 404 further includes a second extension portion 4041, where the second extension portion 4041 is disposed at two opposite ends of the second parasitic portion 4042 and extends in a direction away from the fourth pole 502, so as to further enhance the anti-interference capability of the antenna unit 100 for high-frequency and low-frequency signals.
Preferably, the first extension 4031 and the first parasitic 4032 form an included angle α, 135 ° > α > 90 °, and the second extension 4041 and the first extension 4031 are axisymmetrically arranged with the first feed line 405 as a symmetry axis.
More preferably, the included angle α satisfies 130 DEG- α -100 deg.
Referring to fig. 2-6, the third pole 501 and the fourth pole 502 are disposed on the side of the dielectric layer 20 away from the ground layer 10, and the third pole 501 and the fourth pole 502 are spaced along the second direction, and the third pole 501 and the fourth pole 502 both extend in the second direction.
Preferably, the third and fourth poles 501 and 502 each extend in a second direction, which is perpendicular to the first direction, and the first and second directions intersect at a crossing point, the first and second poles 401 and 402 are symmetrically disposed about the crossing point, and the third and fourth poles 501 and 502 are also symmetrically disposed about the crossing point. The first pole 401 and the second pole 402 have the same shape, or the third pole 501 and the fourth pole 502 have the same shape.
Preferably, the first pole 401, the second pole 402, the third pole 501 and the fourth pole 502 all have the same shape, which is preferably a butterfly structure, i.e. the poles are closer to each other at one end and at the opposite side, the distance between the poles is smaller than at the other end, which may be trapezoidal, triangular, etc.
The fourth pole 502 is provided with a second feeding portion 5021, the antenna unit 100 is provided with a second coaxial line 506, and the second feeding portion 5021 penetrates through the dielectric layer 20 and the ground layer 10 through the second coaxial line 506 and feeds power to the second feeding portion 5021. The second feed line 505 is connected to the third pole 501 with the inner core of the second coaxial line 506 being a conductive core made of a conductive material, so that an external excitation signal can be transmitted to the third pole 501 through the inner core of the second coaxial line 506 via the second feed line 505. Meanwhile, the fourth pole 502 is connected to the ground layer 10 through the outer conductive core of the second coaxial line 506.
The second feed unit 5021 includes a through hole opened in the fourth pole 502, and the inner core of the second coaxial line 506 is connected to the second feed line 505 through the through hole.
The third pole 501 is provided with a second grounding point 5011, which second grounding point 5011 may be one or more, and the third pole 501 is connected to the ground plane 10 via the second grounding point 5011.
The third parasitic pole 503 and the fourth parasitic pole 504 are respectively disposed on two opposite sides of the second feeding line 505, the third parasitic pole 503 is connected to the first pole 401, and the fourth parasitic pole 504 is connected to the second pole 402, so as to reduce interference of high and low frequencies in the second polarization direction.
Preferably, the third parasitic pole 503 and the fourth parasitic pole 504 are symmetrically disposed with the second feeding line 505 as a symmetry axis.
In some embodiments, the third parasitic pole 503 includes a third parasitic segment 5032,
the fourth parasitic pole 504 includes a fourth parasitic portion 5042, wherein the third parasitic portion 5032 extends in the second direction and is connected to the first pole 401, and two opposite ends of the third parasitic portion 5032 are respectively located at two opposite sides of the first pole 401 in the second direction. Preferably, the third parasitic segment 5032 extends in the second direction by a distance greater than the distance between the third pole 501 and the fourth pole 502, and the fourth parasitic segment 5042 is connected to the second pole 402 and is arranged in axial symmetry with the third parasitic segment 5032, and the axis of symmetry is the second feeding line 505, so as to obtain a stronger coupling effect.
In some embodiments, the third parasitic pole 503 further includes a third extending portion 5031, and the third extending portion 5031 is disposed at two opposite ends of the third parasitic portion 5032 and extends away from the second pole 402. The fourth parasitic pole 504 further includes a fourth extension 5041, where the fourth extension 5041 is disposed at two opposite ends of the fourth parasitic part 5042 and extends away from the first pole 401, so as to further enhance the anti-interference capability of the antenna unit 100 for high-frequency and low-frequency signals.
Preferably, the third extending portion 5031 and the third parasitic portion 5032 form an included angle β, 135 ° > β > 90 °, and the fourth extending portion 5041 and the third extending portion 5031 are axially symmetrically arranged with the second feeding line 505 as a symmetry axis.
More preferably, α is β and satisfies 130 DEG- α -100 deg.
The invention arranges a first pole 401 and a second pole 402 arranged along a first direction and a third pole 501 and a fourth pole 502 arranged along a second direction on the dielectric layer 20 far away from the ground layer 10.
Meanwhile, by arranging the first parasitic pole 403 connected to the third pole 501 and the second parasitic pole 404 connected to the fourth pole 502 in the first direction. And a third parasitic pole 503 connected to the first pole 401 and a fourth parasitic pole 504 connected to the second pole 402 are disposed in a second direction, wherein the first direction and the second direction are perpendicular to each other. The dual-frequency coverage of the millimeter wave band is realized by utilizing the polar sub-structure with the parasitic, wherein the parasitic layout can reduce high and low frequency interference on opposite vertical polarization. At the same time, larger bandwidths covering 28GHz and 39GHz are achieved.
Referring to fig. 7, a second embodiment of the present invention provides an array antenna 200. The array antenna 200 includes an antenna element 100. The number of the antenna units 100 in the array antenna 200 is not particularly limited, and may be determined according to a gain value to be achieved and a space for embedding the array antenna 200 in a base station to which the antenna is applied.
Preferably, there are at least two antenna units 100, and the antenna units 100 are closely arranged in sequence without being connected.
In order to make the array antenna 200 having the above structure have advantages of high gain, low side lobe, wide frequency band, and miniaturization, the array antenna provided in the present embodiment specifically includes 4 antenna elements 100. Preferably, the antenna elements 100 in the array antenna 200 are four arranged in a straight line.
In the present embodiment, as shown in fig. 8A to 8D and 9A to 9D, the reflection coefficient, the radiation efficiency, and the gain pattern of the first polarization element 40 and the second polarization element 50 of the antenna unit 100 are respectively higher, the radiation efficiency of the first polarization element 40 and the second polarization element 50 is higher, the coverage bandwidth is larger, and the gain effect is better at the operating frequency corresponding to the first polarization element 40 and the second polarization element 50 in the above-described embodiment.
As shown in fig. 8A, fig. 8A is a graph of the reflection coefficient of the first polarization component 40 of the antenna element 100.
As shown in fig. 8B, fig. 8B is a graph of the efficiency of the first polarization component 40 of the antenna element 100.
As shown in fig. 8C, fig. 8C is a graph of the low frequency gain effect of the first polarization component 40 of the antenna element 100.
As shown in fig. 8D, fig. 8D is a graph illustrating the high frequency gain effect of the first polarization component 40 of the antenna unit 100.
As shown in fig. 9A, fig. 9A is a graph of the reflection coefficient of the second polarization member 50 of the antenna unit 100.
Fig. 9B is a graph of the efficiency of the second polarization component 50 of the antenna element 100, as shown in fig. 9B.
As shown in fig. 9C, fig. 9C is a low frequency gain pattern of the second polarization component 50 of the antenna element 100.
As shown in fig. 9D, fig. 9D is a high frequency gain pattern of the second polarization component 50 of the antenna unit 100.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. An antenna unit is characterized in that the antenna unit comprises a ground layer, a dielectric layer and a radiation patch component, wherein the radiation patch component is arranged on the dielectric layer, and the ground layer is positioned on one side of the dielectric layer, which is far away from the radiation patch component;
the radiation patch assembly comprises a first polarization assembly and a second polarization assembly;
the first polarization component comprises a first pole, a second pole, a first parasitic pole, a second parasitic pole and a first feeder line;
the second polarization component comprises a third pole, a fourth pole, a third parasitic pole, a fourth parasitic pole and a second feeder line;
the first pole and the second pole are arranged on the dielectric layer at intervals along a first direction;
the first pole is provided with a first feeding part, and the first feeder line extends from the first feeding part to the second pole;
the second pole is provided with a first grounding point and is connected with the grounding layer through the first grounding point;
the third pole and the fourth pole are arranged on the dielectric layer at intervals along a second direction, the second direction is perpendicular to the first direction, the first direction and the second direction are intersected at an intersection point, the first pole and the second pole are symmetrically arranged about the intersection point, and the third pole and the fourth pole are symmetrically arranged about the intersection point;
the third pole is provided with a second grounding point and is connected with the grounding layer through the second grounding point;
the fourth pole is provided with a second feeding part, and the second feeder line extends from the second feeding part to the third pole;
the first parasitic pole and the second parasitic pole are respectively arranged on the third pole and the fourth pole and are symmetrically arranged relative to the first direction;
the third parasitic pole and the fourth parasitic pole are respectively arranged on the first pole and the second pole and are symmetrically arranged relative to the second direction.
2. The antenna unit of claim 1, wherein: the first parasitic pole and the second parasitic pole are symmetrically arranged by taking the first feeder line as a symmetry axis;
the third parasitic pole and the fourth parasitic pole are symmetrically arranged by taking the second feeder line as a symmetry axis.
3. The antenna unit of claim 2, wherein: the first parasitic pole comprises a first parasitic part, the second parasitic pole comprises a second parasitic part, the first parasitic part is arranged on the fourth pole, and two opposite ends of the first parasitic part are respectively positioned at two opposite sides of the fourth pole in the first direction;
the second parasitic part is arranged on the third pole and is axially symmetrical to the first parasitic part;
the third parasitic pole comprises a third parasitic part, the fourth parasitic pole comprises a fourth parasitic part, the third parasitic part is arranged on the first pole, and two opposite ends of the third parasitic part are respectively positioned at two opposite sides of the first pole in the second direction;
the second parasitic part is arranged on the third pole and is axially symmetrical to the first parasitic part.
4. The antenna unit of claim 3, wherein: the first parasitic part is arranged at the two ends of the first parasitic part, and the first parasitic part is provided with a third extension part;
the second parasitic part is arranged on the first side of the first electrode plate, and the second parasitic part is arranged on the second side of the first electrode plate;
the third pole further comprises third extending parts, wherein the third extending parts are arranged at two opposite ends of the third parasitic part and extend in a direction away from the second pole;
the fourth pole further comprises a fourth extending portion, and the fourth extending portion is arranged at two opposite ends of the fourth parasitic portion and extends in a direction away from the first pole.
5. The antenna unit of claim 4, wherein said first extension portion forms an included angle α with said first parasitic portion;
the second extension part and the first extension part are arranged in an axisymmetric manner by taking the first feeder line as a symmetry axis;
an included angle β is formed between the third extending part and the third parasitic part;
the fourth extension part and the third extension part are axisymmetric and are arranged by taking the second feeder line as an axis;
the included angle α and the included angle β satisfy that 130 degrees is larger than α degrees is equal to β degrees and larger than 100 degrees.
6. The antenna unit of claim 3, wherein: the first pole and the second pole have a first spacing therebetween;
the third pole and the fourth pole are provided with a second distance therebetween;
the extension length of the first parasitic part in the first direction is greater than the first distance;
the extension length of the third parasitic part in the second direction is larger than the second distance.
7. The antenna unit of claim 1, wherein: the first pole and the second pole have the same shape, and the third pole and the fourth pole have the same shape;
or the first, second, third and fourth poles have the same shape.
8. The antenna unit of claim 7, wherein:
the first pole, the second pole, the third pole and the fourth pole are all arranged on one side, far away from the grounding layer, of the dielectric layer in a butterfly structure mode.
9. An array antenna, characterized by: the array antenna comprising at least two antenna elements according to any of claims 1-8.
10. The array antenna of claim 9, wherein: the antenna units are arranged in a straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627554.9A CN109713440A (en) | 2018-12-28 | 2018-12-28 | A kind of antenna element and array antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627554.9A CN109713440A (en) | 2018-12-28 | 2018-12-28 | A kind of antenna element and array antenna |
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| CN109713440A true CN109713440A (en) | 2019-05-03 |
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| CN201811627554.9A Pending CN109713440A (en) | 2018-12-28 | 2018-12-28 | A kind of antenna element and array antenna |
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| CN110649366A (en) * | 2019-09-20 | 2020-01-03 | 维沃移动通信有限公司 | Antenna and electronic equipment |
| WO2021083123A1 (en) * | 2019-10-30 | 2021-05-06 | 维沃移动通信有限公司 | Antenna and electronic device |
| CN112909506A (en) * | 2021-01-16 | 2021-06-04 | 深圳市睿德通讯科技有限公司 | Antenna structure and antenna array |
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Application publication date: 20190503 |