CN207165756U - A kind of dual polarization antenna radiation unit - Google Patents
A kind of dual polarization antenna radiation unit Download PDFInfo
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- CN207165756U CN207165756U CN201721090932.5U CN201721090932U CN207165756U CN 207165756 U CN207165756 U CN 207165756U CN 201721090932 U CN201721090932 U CN 201721090932U CN 207165756 U CN207165756 U CN 207165756U
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Abstract
The utility model discloses a kind of dual polarization antenna radiation unit, including radiation patch layer and couple feed layer, radiation patch layer be arranged in parallel with couple feed layer, couple feed layer is provided with and is engaged with the radiation patch layer and the I-shaped cutler feed structure of two strip lines of Orthogonally arrangement, and the T-shaped metal divider wall for isolating described two I-shaped cutler feed structures of strip line is additionally provided with couple feed layer.The utility model is by setting the I-shaped cutler feed structure of two orthogonal strip lines, the T-shaped metal divider wall formed simultaneously using several metallization VIAs is isolated to it, the high isolation, high-gain, low section of dual-polarization radiating unit are realized, available in dual-linear polarization and double-circle polarization field.
Description
Technical field
Wireless communication technology field is the utility model is related to, more particularly, to a kind of dual polarization antenna radiation unit.
Background technology
With the rapid development of Modern wireless communication technology, the development of wireless technology is also maked rapid progress, and antenna form is even more
Emerge in an endless stream.Microstrip antenna is due to having the advantages that small volume, in light weight, easily integrated, the extensive use with active circuit
In technical fields such as communication, radars.
In microstrip antenna realizes dual polarization function course, square microband paste is also easy to produce higher mode as radiation patch,
Have a strong impact on the isolation between antenna polarization port.The isolation of the square micro-strip paster antenna of in general dual polarization is 18~20dB
Left and right, the requirement of Modern Communication System can not be met.
In order to meet the requirement of Modern Communication System, dual polarization is realized usually using microstrip gap couple feed technology, is lacked
Point is to need reflecting plate, and section thickeies a lot；It is combined using probe feed and microstrip gap feed and realizes dual polarization, shortcoming is
Bandwidth is inadequate, needs also exist for reflecting plate, and section thickens a lot；The mode presented using micro-strip side realizes dual polarization, and shortcoming is gain
Not enough, cross polarization is poor, and isolation is poor, and front and rear ratio is poor.
Therefore need to study a kind of new antenna radiation unit, to overcome above-mentioned produced problem.
Utility model content
The defects of the purpose of this utility model is to overcome prior art, there is provided a kind of high broadband, high isolation, high-gain,
The dual polarization antenna radiation unit of low section.
To achieve the above object, the utility model proposes following technical scheme：A kind of dual polarization antenna radiation unit, including
Radiation patch layer and couple feed layer, the radiation patch layer be arranged in parallel with the couple feed layer, the couple feed layer
It is provided with the first cutler feed and the second cutler feed that are engaged with the radiation patch layer, first cutler feed and the
Two cutler feed interval Orthogonally arrangements, isolation first cutler feed and the feedback of the second gap are additionally provided with the couple feed layer
The T-shaped metal divider wall of electricity.
Preferably, the radiation patch layer includes first medium plate and radiation patch, and the radiation patch is located at described the
On one dielectric-slab.
Preferably, the couple feed layer includes the first reflection floor, the second medium plate be arrangeding in parallel, the 3rd dielectric-slab
With the second reflection floor, the second medium plate is between the first reflected bottom plate and the 3rd dielectric-slab, the 3rd dielectric-slab
Between second medium plate and the second reflection floor.
Preferably, the first ribbon type feeder line of first cutler feed including Orthogonally arrangement and the first gap, described the
On the first reflection floor, first ribbon type feeder line is located between second medium plate and the 3rd dielectric-slab in one gap.
Preferably, the second ribbon type feeder line of second cutler feed including Orthogonally arrangement and the second gap, described the
Two gaps are located at second medium on the first reflection floor with the first gap Orthogonally arrangement, second ribbon type feeder line
Between plate and the 3rd dielectric-slab, and with the first ribbon type feeder line interval Orthogonally arrangement.
Preferably, first gap and the second gap are I-shaped gap.
Preferably, the one side on first gap and the first reflection floor be arranged in parallel, second gap and first anti-
The relative edge for penetrating floor is vertically arranged.
Preferably, the T-shaped metal divider wall reflects floor, second medium plate, the 3rd medium by several through first
Plate and the metallization VIA composition on the second reflection floor.
Preferably, the T-shaped metal divider wall includes vertically disposed first metal divider wall and the second metal divider wall,
The first metal divider wall be arranged in parallel in a first direction with the first gap, the second metal divider wall and the second gap
It is arranged in parallel in a second direction.
Preferably, the length of the first metal divider wall is not less than the first gap and the second gap in a first direction two
The distance between edge, the length of the second metal divider wall is not less than the first gap and the second gap in a second direction two
The distance at edge.
The beneficial effects of the utility model are：
Compared with prior art, dual polarization antenna radiation unit described in the utility model, have low section, high broadband,
The advantages of easy processing, and can realize high-gain and high isolation, i.e. gain, can reach 8.5dB, and interport isolation can reach-
Below 32dB, while also improve the front and rear ratio of antenna.
Brief description of the drawings
Fig. 1 is schematic perspective view of the present utility model；
Fig. 2 is couple feed layer schematic top plan view in Fig. 1；
Fig. 3 a are isolation effect diagrams of the present utility model；
Fig. 3 b are return loss effect diagrams of the present utility model；
Fig. 3 c are return loss effect diagrams of the present utility model.
Reference：
1st, radiation patch layer, 11, first medium plate, 12, radiation patch；
2nd, couple feed layer, the 21, first reflection floor, 22, second medium plate, the 23, the 3rd dielectric-slab, the 24, second reflection
Floor；
3rd, the first cutler feed, the 31, first ribbon type feeder line, the 311, first ribbon type feeder line main body, the 312, first banding
Feed line minor matters, the 32, first gap；
4th, the second cutler feed, the 41, second ribbon type feeder line, the 411, second ribbon type feeder line main body, the 412, second banding
Feed line minor matters, the 42, second gap；
5th, T-shaped metal divider wall, the 51, first metal divider wall, the 52, second metal divider wall.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical scheme of the utility model embodiment is carried out clear, complete
Description.
A kind of dual polarization antenna radiation unit disclosed in the utility model, by setting two orthogonal strip line I-shapeds
Type cutler feed structure, while the T-shaped metal divider wall formed using several metallization VIAs is I-shaped to two strip lines
Cutler feed structure is isolated, and the high isolation, high-gain, low section of dual polarization antenna radiation unit is realized, available for double
In linear polarization and double-circle polarization field.
With reference to shown in Fig. 1 and Fig. 2, a kind of dual polarization antenna radiation unit disclosed in the utility model, including radiation patch
Lamella 1 and couple feed layer 2, radiation patch layer 1 is connected by support member (not shown) with couple feed layer 2, and radiates patch
Both lamella 1 and couple feed layer 2 be arranged in parallel.Radiation patch layer 1 includes first medium plate 11 and radiation patch 12, radiation patch
Piece 12 is etched in the upper surface of first medium plate 11.Couple feed layer 2 is provided with separately orthogonal the first cutler feed 3 and the
Two cutler feeds 4, be additionally provided with isolation the first cutler feed 3 and the second cutler feed 4 T-shaped metal divider wall 5, T-shaped metal every
The electromagnetic coupled between the first cutler feed 3 and the second cutler feed 4 can be efficiently reduced from wall 5.
In the present embodiment, the radiation patch 12 is square patch, can also select circular patch, rhombus paster, choosing
Dual-linear polarization can be realized with circular patch.
As shown in figure 1, couple feed layer 2 includes the first reflection floor 21, the second medium plate 22 be arrangeding in parallel, the 3rd is situated between
Scutum 23, and second reflection floor 24, wherein, second medium plate 22 positioned at first reflection the dielectric-slab 23 of floor 21 and the 3rd it
Between, the 3rd dielectric-slab 23 is located at second medium plate 22 and second and reflected between floor 24.
In the present embodiment, couple feed layer 2 uses above-mentioned four-layer structure, naturally it is also possible to using three-decker, that is, couples
Feed layer 2 forms by dielectric-slab, and located at the reflection floor of dielectric-slab opposite sides.Couple feed layer 2 is by using bilayer
Floor is reflected, significantly reduces the back lobe of antenna, improves the front and rear ratio of antenna.
As shown in Fig. 2 the first cutler feed 3 and the second cutler feed 4 interval Orthogonally arrangement, are easy to implement dual polarization.Tool
Body, the first cutler feed 3 includes the first ribbon type feeder line 31 and the first gap 32, and the first gap 32 is located at the first reflection floor
On 21, the first ribbon type feeder line 31 is located between the dielectric-slab 23 of second medium plate 22 and the 3rd, and the first ribbon type feeder line 31 can be set
In the upper surface of the 3rd dielectric-slab 23 or the lower surface of second medium plate 22, and the first ribbon type feeder line 31 and the first gap
32 Orthogonally arrangements so that the first gap 32 can couple the signal between the ribbon type feeder line 31 of radiation patch 12 and first, there is provided
First polarizations.
Second cutler feed 4 includes the second ribbon type feeder line 41 and the second gap 42, and the second gap 42 is equally located at first
Reflect on floor 21, and Orthogonally arrangement is spaced with the first gap 32.Second ribbon type feeder line 41 is located at second medium plate
22 and the 3rd between dielectric-slab 23, and the second ribbon type feeder line 41 equally may be disposed at the upper surface or second of the 3rd dielectric-slab 23
The lower surface of dielectric-slab 22, and it is spaced Orthogonally arrangement with the first ribbon type feeder line 31.Second ribbon type feeder line 41 and the second seam
Both Orthogonally arrangements of gap 42 so that the second gap 42 can couple the letter between the ribbon type feeder line 41 of radiation patch 12 and second
Number, there is provided secondary signal polarizes.
Further, as shown in Fig. 2 the first ribbon type feeder line 31 includes the first ribbon type feeder line main body 311 and first band
Shape feed line minor matters 312, the first ribbon type feeder line main body 311 and the Orthogonally arrangement of the first gap 32, the first ribbon type feeder line minor matters
312 one end is connected with the first ribbon type feeder line main body 311, and the other end is connected with port P1, is connected to the first gap 32 and end
Signal between mouth 1；Likewise, the second ribbon type feeder line 41 includes the second ribbon type feeder line main body 411 and the second banding is fed
Line minor matters 412, the second ribbon type feeder line main body 411 and the Orthogonally arrangement of the second gap 42, the one of the second ribbon type feeder line minor matters 412
End is connected with the second ribbon type feeder line main body 411, and another two end is connected with port P2, is connected between the second gap 42 and port P2
Signal.First ribbon type feeder line minor matters 312 and port P1 junctions, and the second ribbon type feeder line minor matters 412 and port P2
Junction is equipped with the metal divider wall of metallization VIA formation, further improves interport isolation.
Preferably, the one side in first gap 32 and the first reflection floor 21 be arranged in parallel, the second gap 42 and first
The relative edge on reflection floor 21 is vertically arranged, it is of course also possible to which the one side for setting the first gap 32 and the first reflection floor 21 is in
The angle of certain angle, such as 45 degree, but should ensure that the first gap 32 and the second gap 42 are orthogonal.
Preferably, the first gap 32 uses I-shaped gap, and gap can also use other shapes, such as rectangular aperture.
Preferably, the first ribbon type feeder line main body 311 and the second ribbon type feeder line body shape are I-shaped.Certainly,
Can be other shapes, such as rectangle.
As shown in Fig. 2 T-shaped metal divider wall 5 reflects floor 21, second medium plate the 22, the 3rd by several through first
Dielectric-slab 23 and second reflects the metallization VIA composition on floor 24.T-shaped metal divider wall 5 includes vertically disposed first metal
The metal divider wall 52 of divider wall 51 and second.Wherein, the first metal divider wall 51 and the first gap 32 are parallel in a first direction
Set, the second metal divider wall 52 be arranged in parallel in a second direction with the second gap 42, so that T-shaped metal divider wall 5 is by the
One cutler feed 3 is kept apart with the second cutler feed 4, and the length of the first metal divider wall 51 is not less than the He of the first gap 32
The distance between two edges, the length of the second metal divider wall 52 are stitched not less than first in a first direction in the second gap 42
The distance of the gap 42 of gap 32 and second two edges in a second direction.Presented with minimum metal divider wall 5 to reduce by the first gap
Electromagnetic coupled between the cutler feed 4 of electricity 3 and the 4th, is effectively improved isolation.
Dual polarization antenna radiation unit described in the utility model has the advantages of low section, high isolation, easy processing, separately
Outside, by being emulated to dual polarization antenna radiation unit described in the utility model, it can realize high-gain and high isolation,
I.e. gain can reach 8.5dB, and interport isolation can reach below -31dB.It is shown as shown in Fig. 3 a, 3b, 3c, in Fig. 3 a
Abscissa represents frequency range (unit GHz), and ordinate represents isolation (unit dB).It was found from from Fig. 3 a-3c, in the work of the present invention
Make in 5450~5875MHz of frequency range, return loss is -10dB, and interport isolation reaches -31dB.
Technology contents and technical characteristic of the present utility model are had revealed that as above, but those skilled in the art still may be used
A variety of replacements and modification without departing substantially from the utility model spirit can be made based on teaching of the present utility model and announcement, therefore, this
Utility model protection scope should be not limited to the content disclosed in embodiment, and should include various without departing substantially from replacement of the present utility model
And modification, and covered by present patent application claim.
Claims (10)
- A kind of 1. dual polarization antenna radiation unit, it is characterised in that including radiation patch layer and couple feed layer, the radiation patch Lamella be arranged in parallel with the couple feed layer, and the couple feed layer is provided with first be engaged with the radiation patch layer Cutler feed and the second cutler feed, first cutler feed and the second cutler feed interval Orthogonally arrangement, the coupling feedback The T-shaped metal divider wall for isolating first cutler feed and the second cutler feed is additionally provided with electric layer.
- 2. dual polarization antenna radiation unit according to claim 1, it is characterised in that the radiation patch layer includes first Dielectric-slab and radiation patch, the radiation patch is on the first medium plate.
- 3. dual polarization antenna radiation unit according to claim 1, it is characterised in that the couple feed layer includes parallel The first reflection floor, second medium plate, the 3rd dielectric-slab and the second reflection floor set, the second medium plate is positioned at first Between reflected bottom plate and the 3rd dielectric-slab, the 3rd dielectric-slab is located between second medium plate and the second reflection floor.
- 4. dual polarization antenna radiation unit according to claim 3, it is characterised in that first cutler feed is included just The first ribbon type feeder line and the first gap of arrangement are handed over, first gap is on the first reflection floor, first banding Feed line is located between second medium plate and the 3rd dielectric-slab.
- 5. dual polarization antenna radiation unit according to claim 4, it is characterised in that second cutler feed is included just Hand over arrangement the second ribbon type feeder line and the second gap, second gap located at first reflection floor on, and with the first gap Orthogonally arrangement, second ribbon type feeder line be located between second medium plate and the 3rd dielectric-slab, and with the first ribbon type feeder line It is spaced Orthogonally arrangement.
- 6. dual polarization antenna radiation unit according to claim 5, it is characterised in that first gap and the second gap For I-shaped gap.
- 7. dual polarization antenna radiation unit according to claim 6, it is characterised in that first gap and the first reflection The one side on floor be arranged in parallel, and the relative edge in second gap and the first reflection floor is vertically arranged.
- 8. dual polarization antenna radiation unit according to claim 3, it is characterised in that if the T-shaped metal divider wall by The dry metallization VIA composition through the first reflection floor, second medium plate, the 3rd dielectric-slab and the second reflection floor.
- 9. dual polarization antenna radiation unit according to claim 8, it is characterised in that the T-shaped metal divider wall includes Vertically disposed first metal divider wall and the second metal divider wall, the first metal divider wall and the first gap are in first party It is arranged in parallel upwards, the second metal divider wall be arranged in parallel in a second direction with the second gap.
- 10. dual polarization antenna radiation unit according to claim 9, its metallicity is, the first metal isolation The length of wall is not less than the first gap and the second gap the distance between two edges in a first direction, the second metal isolation Distance of the length of wall not less than the first gap and the second gap two edges in a second direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721090932.5U CN207165756U (en) | 2017-08-29 | 2017-08-29 | A kind of dual polarization antenna radiation unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721090932.5U CN207165756U (en) | 2017-08-29 | 2017-08-29 | A kind of dual polarization antenna radiation unit |
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| CN207165756U true CN207165756U (en) | 2018-03-30 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777353A (en) * | 2018-05-24 | 2018-11-09 | 湖南国科锐承电子科技有限公司 | A kind of high isolation low-cross polarization Double-polarization micro-strip array antenna |
| CN109244655A (en) * | 2018-09-21 | 2019-01-18 | 陈奕铭 | Dual polarized antenna |
| CN109494460A (en) * | 2018-10-31 | 2019-03-19 | 重庆大学 | A kind of dual polarization with high-isolation/circular polarisation broadband high density arrays antenna |
| CN109962336A (en) * | 2019-03-31 | 2019-07-02 | 西安电子科技大学 | The router on-board double frequency mimo antenna of omni-directional |
| CN110265776A (en) * | 2019-05-08 | 2019-09-20 | 成都天锐星通科技有限公司 | A kind of broadband double-circle polarization paster antenna |
| CN110380203A (en) * | 2019-06-29 | 2019-10-25 | 瑞声精密制造科技(常州)有限公司 | Antenna element and aerial array |
| GB2583567A (en) * | 2019-02-27 | 2020-11-04 | Secr Defence | Dual polarised planar antenna, base station and method of manufacture |
| CN112332085A (en) * | 2020-10-27 | 2021-02-05 | 重庆两江卫星移动通信有限公司 | Ka-band double-circular-polarization switchable transmitting-receiving antenna |
| CN112448163A (en) * | 2019-08-10 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | High-isolation antenna pair and MIMO antenna system |
| WO2021120054A1 (en) * | 2019-12-18 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Slot-coupled antenna |
| CN113161720A (en) * | 2020-01-22 | 2021-07-23 | 华为技术有限公司 | Antenna, base station and terminal with high isolation and low cross-polarization level |
| TWI740551B (en) * | 2020-06-23 | 2021-09-21 | 國立陽明交通大學 | Substrate integrated waveguide-fed cavity-backed dual-polarized patch antenna |
| CN113555692A (en) * | 2020-04-23 | 2021-10-26 | 华为技术有限公司 | Electronic equipment |
| US11239562B2 (en) | 2019-03-28 | 2022-02-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Antenna module and electronic device |
| CN114221122A (en) * | 2022-02-21 | 2022-03-22 | 成都华兴大地科技有限公司 | Dual-port co-polarized antenna |
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2017
- 2017-08-29 CN CN201721090932.5U patent/CN207165756U/en active Active
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777353A (en) * | 2018-05-24 | 2018-11-09 | 湖南国科锐承电子科技有限公司 | A kind of high isolation low-cross polarization Double-polarization micro-strip array antenna |
| CN109244655A (en) * | 2018-09-21 | 2019-01-18 | 陈奕铭 | Dual polarized antenna |
| CN109494460A (en) * | 2018-10-31 | 2019-03-19 | 重庆大学 | A kind of dual polarization with high-isolation/circular polarisation broadband high density arrays antenna |
| GB2583567A (en) * | 2019-02-27 | 2020-11-04 | Secr Defence | Dual polarised planar antenna, base station and method of manufacture |
| US11239562B2 (en) | 2019-03-28 | 2022-02-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Antenna module and electronic device |
| CN109962336A (en) * | 2019-03-31 | 2019-07-02 | 西安电子科技大学 | The router on-board double frequency mimo antenna of omni-directional |
| CN110265776A (en) * | 2019-05-08 | 2019-09-20 | 成都天锐星通科技有限公司 | A kind of broadband double-circle polarization paster antenna |
| CN110380203A (en) * | 2019-06-29 | 2019-10-25 | 瑞声精密制造科技(常州)有限公司 | Antenna element and aerial array |
| CN112448163A (en) * | 2019-08-10 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | High-isolation antenna pair and MIMO antenna system |
| CN112448163B (en) * | 2019-08-10 | 2024-06-11 | 深圳市卓睿通信技术有限公司 | High-isolation antenna pair and MIMO antenna system |
| WO2021120054A1 (en) * | 2019-12-18 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Slot-coupled antenna |
| CN113161720A (en) * | 2020-01-22 | 2021-07-23 | 华为技术有限公司 | Antenna, base station and terminal with high isolation and low cross-polarization level |
| CN113161720B (en) * | 2020-01-22 | 2024-01-30 | 华为技术有限公司 | Antenna, base station and terminal with high isolation and low cross polarization level |
| CN113555692A (en) * | 2020-04-23 | 2021-10-26 | 华为技术有限公司 | Electronic equipment |
| CN113555692B (en) * | 2020-04-23 | 2023-02-03 | 华为技术有限公司 | Electronic equipment |
| TWI740551B (en) * | 2020-06-23 | 2021-09-21 | 國立陽明交通大學 | Substrate integrated waveguide-fed cavity-backed dual-polarized patch antenna |
| CN112332085A (en) * | 2020-10-27 | 2021-02-05 | 重庆两江卫星移动通信有限公司 | Ka-band double-circular-polarization switchable transmitting-receiving antenna |
| CN114221122A (en) * | 2022-02-21 | 2022-03-22 | 成都华兴大地科技有限公司 | Dual-port co-polarized antenna |
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Address after: Kunshan Dianshan Lake Town City Suzhou city Jiangsu province 215345 Shen road, No. 6 Patentee after: Rosenberg Technology Co.,Ltd. Address before: Suzhou City, Jiangsu province 215300 city of Kunshan province Shen Jiangsu Dianshan Lake Town Road No. 6 Patentee before: ROSENBERGER TECHNOLOGY ( KUNSHAN) Co.,Ltd. |
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Address after: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: ProLogis Communication Technology (Suzhou) Co.,Ltd. Address before: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Rosenberg Technology Co.,Ltd. |