CN109830802A - A kind of millimeter wave dual-polarized patch antenna - Google Patents
A kind of millimeter wave dual-polarized patch antenna Download PDFInfo
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- CN109830802A CN109830802A CN201910015492.4A CN201910015492A CN109830802A CN 109830802 A CN109830802 A CN 109830802A CN 201910015492 A CN201910015492 A CN 201910015492A CN 109830802 A CN109830802 A CN 109830802A
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- 239000002184 metal Substances 0.000 claims abstract description 101
- 229910052751 metal Inorganic materials 0.000 claims abstract description 101
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 230000011664 signaling Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000003245 working effect Effects 0.000 abstract description 3
- 230000010287 polarization Effects 0.000 description 8
- 230000009977 dual effect Effects 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 244000027321 Lychnis chalcedonica Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Abstract
The invention discloses a kind of millimeter wave dual-polarized patch antennas, comprising: first layer structure, second layer structure, the third layer structure, four-layer structure stacked gradually.The present invention receives signal by the microstrip line of a pair of orthogonal, and it is transmitted on the second metal patch with the second through-hole through conducting wire, then orthogonal signalling are coupled on the first metal patch of four center symmetric settings for being provided with first through hole, two orthogonal modes are motivated, to reach dual-polarized working effect.Pass through the first through hole on the first metal patch, radiator external sort factor and the coefficient of coup between the second metal patch can be regulated and controled, it can control the coefficient of coup between the first metal patch by the second through-hole on the second metal patch, allow millimeter wave dual-polarized patch antenna to obtain suitable bandwidth and impedance matching under lower section height, realizes the broadband covering under antenna low section.
Description
Technical field
The present invention relates to technical field of micro communication, in particular to a kind of millimeter wave dual-polarized patch antenna.
Background technique
The layout of 5G communication and development have pushed the research and application of millimeter wave antenna.Dual polarization millimeter wave antenna can be same
When receive or the signal of the different polarization directions of transmitting two, therefore have better adaptability compared to single polarization millimeter wave antenna
And wider application.Meanwhile millimeter wave antenna develops to the form of encapsulating antenna, therefore with enough bandwidth of operation
Low section millimeter wave antenna advantageously reduces cost, improves yield rate, and is conducive to the lightening development trend of system.To sum up
It is described, the millimeter-wave systems millimeter wave antenna wideband dual polarized there is an urgent need to low section, and its major design challenge be bandwidth,
Section height, polarization performance consistency etc..
Patch-antenna structure is simple, section is low, is easy to constitute millimeter wave dual polarized antenna using two orthogonal modes and design,
However it cannot achieve millimeter there are conflicting between the bandwidth of operation and antenna section height of most of traditional paster antennas
Wave broadband low Section Design.The contradiction of antenna section height and bandwidth can be improved to a certain extent using laminated patch antenna,
Such as lamination square patch, lamination Jerusalem cross antenna, the power feed stacked square patch of cross strap etc., however above-mentioned antenna
Lack the control measures of the coefficient of coup and antenna external sort factor between patch, leads to that certain bandwidth of operation cannot be being obtained
Antenna section height is sufficiently reduced simultaneously or can not obtain good impedance matching；Some antennas exists in such antenna simultaneously
Backward radiation is unfavorable for the system integration of millimeter wave antenna, and consistency of some antennas in two polarization is poor to be unfavorable for system
Harmony.
Summary of the invention
In order to solve problems in the prior art, the embodiment of the invention provides a kind of millimeter wave dual-polarized patch antennas.Institute
It is as follows to state technical solution:
On the one hand, the embodiment of the invention provides a kind of millimeter wave dual-polarized patch antennas, comprising: first stacked gradually
Layer structure, second layer structure, third layer structure, four-layer structure,
Four the first metal patches are uniformly provided with around its center in first layer structure, are offered on each first metal patch
First through hole,
It is provided with the second metal patch in second layer structure, the second through-hole, the second metal are offered on the second metal patch
The center of patch is overlapped with the center of second layer structure,
Metal the earth is provided in third layer structure, the big ground of metal is equipped with the third through-hole passed through for conducting wire,
Four-layer structure is equipped with the microstrip line of a pair of orthogonal, and one end of every microstrip line is pasted by conducting wire and the second metal
Piece connection.
In the above-mentioned millimeter wave dual-polarized patch antenna of the embodiment of the present invention, the second metal patch and the first metal patch
It is arranged in parallel, and the center of the second metal patch is vertical with the second metal patch with the line of first layer structure centre.
In the above-mentioned millimeter wave dual-polarized patch antenna of the embodiment of the present invention, the center of each first through hole is corresponding
The first metal patch center be overlapped, the center of the second through-hole is overlapped with the center of the second metal patch.
In the above-mentioned millimeter wave dual-polarized patch antenna of the embodiment of the present invention, first metal patch is square gold
Belong to patch.
In the above-mentioned millimeter wave dual-polarized patch antenna of the embodiment of the present invention, first metal patch is copper foil patch
Piece.
In the above-mentioned millimeter wave dual-polarized patch antenna of the embodiment of the present invention, the first through hole is square hole or circle
Shape.
In the above-mentioned millimeter wave dual-polarized patch antenna of the embodiment of the present invention, second metal patch is square gold
Belong to patch.
In the above-mentioned millimeter wave dual-polarized patch antenna of the embodiment of the present invention, second metal patch is copper foil patch
Piece.
In the above-mentioned millimeter wave dual-polarized patch antenna of the embodiment of the present invention, second through-hole is square hole or circle
Shape.
Technical solution provided in an embodiment of the present invention has the benefit that
Signal is received by the microstrip line of a pair of orthogonal, and is transmitted to the second metal patch with the second through-hole through conducting wire
On, then orthogonal signalling are coupled on the first metal patch of four center symmetric settings for being provided with first through hole, have motivated two
A orthogonal modes, to reach dual-polarized working effect.By the first through hole on the first metal patch, radiation can be regulated and controled
External component prime factor and the coefficient of coup between the second metal patch, can be with by the second through-hole on the second metal patch
The coefficient of coup between control and the first metal patch, allows millimeter wave dual-polarized patch antenna in lower section height
It is lower to obtain suitable bandwidth and impedance matching, it solves the contradiction of section height and bandwidth in millimeter wave dual-polarized patch antenna and asks
Topic realizes the broadband covering under antenna low section.In addition, a pair of orthogonal microstrip line is placed in metal the earth lower section, pass through
The third through-hole of the big ground of metal is connected feed with the second metal patch, realizes the dual polarization feed with isolation, and
The backward leakage of antenna is avoided, antenna backward radiation is smaller.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of construction profile for millimeter wave dual-polarized patch antenna that the embodiment of the present invention one provides；
Fig. 2 is a kind of top view for first layer structure that the embodiment of the present invention one provides；
Fig. 3 is a kind of top view for second layer structure that the embodiment of the present invention one provides；
Fig. 4 is a kind of top view for third layer structure that the embodiment of the present invention one provides；
Fig. 5 is a kind of top view for four-layer structure that the embodiment of the present invention one provides；
Fig. 6 is a kind of simulation result exemplary diagram for millimeter wave dual-polarized patch antenna that the embodiment of the present invention one provides；
Millimeter wave dual-polarized patch antenna is in 26GHz when Fig. 7 is a kind of excitation port 1 of the offer of the embodiment of the present invention one
Antenna pattern；
Millimeter wave dual-polarized patch antenna is in 26GHz when Fig. 8 is another excitation port 1 of the offer of the embodiment of the present invention one
Antenna pattern；
Millimeter wave dual-polarized patch antenna is in 26GHz when Fig. 9 is a kind of excitation port 2 of the offer of the embodiment of the present invention one
Antenna pattern；
Millimeter wave dual-polarized patch antenna exists when Figure 10 is another excitation port 2 of the offer of the embodiment of the present invention one
The antenna pattern of 26GHz.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
The embodiment of the invention provides a kind of millimeter wave dual-polarized patch antennas, referring to Fig. 1, the millimeter wave dual-polarized patch
Antenna may include: the first layer structure 1, second layer structure 2, third layer structure 3, four-layer structure 4 stacked gradually.
Referring to fig. 2, four the first metal patches 5, each first metal patch are uniformly provided with around its center in first layer structure 1
First through hole 6 is offered on piece 5.
In the present embodiment, position in its center in first layer structure 1, is evenly arranged with four the first gold medals around its center
Belong to patch 5 (2*2 form as shown in figure 1), the center of each first metal patch 5 offers first through hole 6.Preferably,
First metal patch 5 can be square, and first through hole 6 can be the through-hole of various centrically symmetric shapes, such as: square is logical
Hole, circular through hole etc., the first metal patch 5 can be prepared using goldleaf.
Referring to Fig. 3, it is provided with the second metal patch 7 in second layer structure 2, it is logical that second is offered on the second metal patch 7
The center in hole 8, the second metal patch 7 is overlapped with the center of second layer structure 2.
In the present embodiment, the center position of second layer structure 2 is provided with the second metal patch 7, the second metal patch 7
Center position be provided with the second through-hole 8.Preferably, the second metal patch 7 can be square, and the second through-hole 8 can be
The through-hole of various centrically symmetric shapes, such as: square through-hole, circular through hole etc., the second metal patch 7 can use goldleaf system
It is standby.
Referring to fig. 4, metal the earth 9 is provided in third layer structure 3, metal the earth 9 is equipped with the third passed through for conducting wire
Through-hole 10.
Referring to Fig. 5, four-layer structure 4 is equipped with the microstrip line 11 of a pair of orthogonal, and one end of every microstrip line 11 is by leading
Line is connect with the second metal patch 7.
In the present embodiment, by the microstrip line 11 of a pair of orthogonal, through conducting wire, (conducting wire passes through on metal the earth 9 signal
Third through-hole 10) it is transmitted on the second metal patch 7 with the second through-hole 8, then orthogonal signalling are coupled to that be provided with first logical
On first metal patch 5 of four center symmetric settings in hole 6, two orthogonal modes are motivated, to reach dual-polarized work
Make effect.By the first through hole 6 on the first metal patch 5, can regulate and control radiator external sort factor and with the second metal
The coefficient of coup between patch 7 can control between the first metal patch 5 by the second through-hole 8 on the second metal patch 7
The coefficient of coup, allow millimeter wave dual-polarized patch antenna to obtain suitable bandwidth and impedance under lower section height
The broadband covering under antenna low section is realized in matching.
In addition, a pair of orthogonal microstrip line 11 is placed in 9 lower section of metal the earth, pass through the third through-hole on metal the earth 9
10 are connected feed with the second metal patch 7, realize the dual polarization feed with isolation, and avoid letting out backward for antenna
Dew, antenna backward radiation are smaller.
Optionally, referring to Fig. 1, the second metal patch 7 is arranged in parallel with the first metal patch 5, and the second metal patch 7
Center is vertical with the second metal patch 7 with the line at 1 center of first layer structure.
Further, the center of the first corresponding metal patch 5 of the center of first through hole 6 is overlapped, in the second through-hole 8
The heart is overlapped with the center of the second metal patch 7.
In the present embodiment, the underface (i.e. second of 5 structure of the first metal patch of 2*2 block is arranged in the second metal patch 7
Metal patch 7 is arranged in parallel with the first metal patch 5, and the line at the center of the second metal patch 7 and 1 center of first layer structure
It is vertical with the second metal patch 7), meanwhile, the center of the first corresponding metal patch 5 of the center of first through hole 6 is overlapped, the
The center of two through-holes 8 is overlapped with the center of the second metal patch 7, ensure that the integrally-built symmetry of antenna, so that millimeter wave
Dual-polarized patch antenna is high in the upper consistency of performance of two polarization.
Below with reference to Fig. 6-10, carry out the simulation scenarios of illustratively above-mentioned millimeter wave dual-polarized patch antenna:
Firstly, millimeter wave dual-polarized patch antenna emulation matching response, port isolation and rdaiation response as shown in fig. 6,
It can be seen that its 10-dB coupling bandwidth is 24.3-28.3GHz, i.e. relative bandwidth has reached 15%, it is seen that it can cover 5G millimeter wave
One frequency range.Working band inner port separation number is greater than 23dB, and gain ranging is 5.6-6.6dBi in frequency band.Secondly, Fig. 7-10
Emulation directional diagram of the antenna at 26GHz when being excitation port 1 and port 2, it is seen that the 3dB wave beam bandwidth of two ports of antenna exists
It is 87o on the face E and the face H, cross-polarization levels are all larger than 24dB.It is using dielectric constant in above-mentioned simulation process
3.38, the substrate that loss angle is 0.0027, antenna thickness 0.6mm, the i.e. section height in centre frequency 26GHz are 0.052
λ0。
The embodiment of the present invention receives signal by the microstrip line of a pair of orthogonal, and is transmitted to through conducting wire with the second through-hole
On second metal patch, then orthogonal signalling are coupled to the first metal patch for being provided with four center symmetric settings of first through hole
On, two orthogonal modes are motivated, to reach dual-polarized working effect.By the first through hole on the first metal patch,
Radiator external sort factor and the coefficient of coup between the second metal patch can be regulated and controled, by the second metal patch
Second through-hole can control the coefficient of coup between the first metal patch, allow millimeter wave dual-polarized patch antenna compared with
Suitable bandwidth and impedance matching are obtained under low section height, solve in millimeter wave dual-polarized patch antenna section height with
The contradictory problems of bandwidth realize the broadband covering under antenna low section.In addition, it is big that a pair of orthogonal microstrip line is placed in metal
Below ground, be connected with the second metal patch feed by the third through-hole of the big ground of metal, realize have be isolated it is bipolar
Change feed, and avoid the backward leakage of antenna, antenna backward radiation is smaller.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of millimeter wave dual-polarized patch antenna characterized by comprising the first layer structure (1) that stacks gradually, the second layer
Structure (2), third layer structure (3), four-layer structure (4),
Four the first metal patches (5) are uniformly provided with around its center in first layer structure (1), on each first metal patch (5)
First through hole (6) are offered,
It is provided in second layer structure (2) the second metal patch (7), the second through-hole (8) is offered on the second metal patch (7),
The center of second metal patch (7) is overlapped with the center of second layer structure (2),
Metal the earth (9) is provided in third layer structure (3), metal the earth (9) is equipped with the third through-hole passed through for conducting wire
(10),
Four-layer structure (4) is equipped with the microstrip line (11) of a pair of orthogonal, and one end of every microstrip line (11) passes through conducting wire and the
Two metal patches (7) connection.
2. millimeter wave dual-polarized patch antenna according to claim 1, which is characterized in that the second metal patch (7) and the
One metal patch (5) is arranged in parallel, and the line and second at the center of the second metal patch (7) and first layer structure (1) center
Metal patch (7) is vertical.
3. millimeter wave dual-polarized patch antenna according to claim 2, which is characterized in that in each first through hole (6)
The center of corresponding the first metal patch (5) of the heart is overlapped, in the center and the second metal patch (7) of the second through-hole (8)
The heart is overlapped.
4. millimeter wave dual-polarized patch antenna according to claim 1, which is characterized in that first metal patch (5)
It is square metal patch.
5. millimeter wave dual-polarized patch antenna according to claim 4, which is characterized in that first metal patch (5)
For copper foil patch.
6. millimeter wave dual-polarized patch antenna according to claim 4, which is characterized in that the first through hole (6) is positive
Square hole or circle.
7. millimeter wave dual-polarized patch antenna according to claim 1, which is characterized in that second metal patch (7)
It is square metal patch.
8. millimeter wave dual-polarized patch antenna according to claim 7, which is characterized in that second metal patch (7)
For copper foil patch.
9. millimeter wave dual-polarized patch antenna according to claim 7, which is characterized in that second through-hole (8) is positive
Square hole or circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015492.4A CN109830802A (en) | 2019-01-08 | 2019-01-08 | A kind of millimeter wave dual-polarized patch antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015492.4A CN109830802A (en) | 2019-01-08 | 2019-01-08 | A kind of millimeter wave dual-polarized patch antenna |
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| Publication Number | Publication Date |
|---|---|
| CN109830802A true CN109830802A (en) | 2019-05-31 |
Family
ID=66860162
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| CN201910015492.4A Pending CN109830802A (en) | 2019-01-08 | 2019-01-08 | A kind of millimeter wave dual-polarized patch antenna |
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Cited By (5)
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| CN110504534A (en) * | 2019-08-07 | 2019-11-26 | 深圳市航天华拓科技有限公司 | A kind of dual polarized antenna |
| CN111162379A (en) * | 2019-12-31 | 2020-05-15 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Polarization adjustable antenna array based on double-layer patch antenna |
| CN113224515A (en) * | 2020-01-21 | 2021-08-06 | 大唐移动通信设备有限公司 | Antenna device and base station equipment |
| CN113764861A (en) * | 2021-09-13 | 2021-12-07 | 安徽大学 | Broadband 5G millimeter wave communication base station antenna |
| CN114784494A (en) * | 2022-05-11 | 2022-07-22 | 南通至晟微电子技术有限公司 | Broadband decoupling laminated patch antenna |
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| CN110504534A (en) * | 2019-08-07 | 2019-11-26 | 深圳市航天华拓科技有限公司 | A kind of dual polarized antenna |
| CN111162379A (en) * | 2019-12-31 | 2020-05-15 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Polarization adjustable antenna array based on double-layer patch antenna |
| CN113224515A (en) * | 2020-01-21 | 2021-08-06 | 大唐移动通信设备有限公司 | Antenna device and base station equipment |
| CN113764861A (en) * | 2021-09-13 | 2021-12-07 | 安徽大学 | Broadband 5G millimeter wave communication base station antenna |
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| CN114784494A (en) * | 2022-05-11 | 2022-07-22 | 南通至晟微电子技术有限公司 | Broadband decoupling laminated patch antenna |
| CN114784494B (en) * | 2022-05-11 | 2023-11-07 | 南通至晟微电子技术有限公司 | Broadband decoupling laminated patch antenna |
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