CN106099369B - Two-band ultra wideband dual polarization antenna - Google Patents
Two-band ultra wideband dual polarization antenna Download PDFInfo
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- CN106099369B CN106099369B CN201610458452.3A CN201610458452A CN106099369B CN 106099369 B CN106099369 B CN 106099369B CN 201610458452 A CN201610458452 A CN 201610458452A CN 106099369 B CN106099369 B CN 106099369B
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- radiating element
- minor matters
- dual polarization
- dielectric
- ultra wideband
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention provides a kind of two-band ultra wideband dual polarization antenna, the first medium plate and second medium plate interted including two pieces in center line, every piece of dielectric-slab upper and lower surface is respectively equipped with metal feed element and metal radiation unit, the metal feed element includes the first U-shaped minor matters, the second U-shaped minor matters, and the metal radiation unit includes four radiating elements；The present invention is by intersecting placement, double minor matters balun feed structures and symmetrical U-shaped irradiation structure on two pieces of radiant panel overall spaces, the dual polarization characteristic of antenna, dual-band characteristic and ultra wide band characteristic are all realized, and Antenna Operation is in 824MHz~960MHz frequency range and 1.7GHz~2.7GHz frequency range, this two-band covers full 2G communications band and full 3G communications band, such antenna not only whole duty small volume, but also there is good interport isolation and cross polarization level.
Description
Technical field
The present invention relates to field of antenna, and in particular to a kind of two-band ultra wideband dual polarization antenna.
Background technique
Ultra wideband dual polarization antenna is the antenna implementation proposed in recent years for being widely used in base station communication, in conjunction with
The performance advantage of dual-band antenna itself, therefore the ultra wideband dual polarization antenna with two-band how is designed as brand-new research
Project.Ultra-wideband antenna and multifrequency antenna and dual polarized antenna are integrated on an antenna element, it is super to be made into multiband
Broadband dual polarized antenna can not only reduce the duty volume using three classes antenna significantly, but also have both the excellent of three classes antenna
Good characteristic, i.e., with very bandwidth is wide, radiation efficiency is high, anti-interference ability is extremely strong, micro power consumption, transmission rate are exceedingly fast, channel
The many advantages such as very high capacity certainly will become the mainstream of antenna technology development in the future for a long period of time.
Meanwhile although multiband ultra wideband dual polarization antenna has many advantages, design difficulty is increased, and is difficult in structure
Miniaturization, performance are also difficult to take into account, and not only need antenna to realize dual band communication, but also to realize antenna on the basis of two-band
Ultra wideband, it is also necessary to which dual polarization form realizes efficient Integrated Trait.The good index in multiple frequency ranges is taken into account, is not only needed
Abundant space carries out the design of feed and irradiation structure, but also wants performance indexes such as antenna pattern, port isolation
Cross polarization level on degree, polarization direction etc. meets design and actual demand.So to multiband ultra wideband dual polarization day
The design and implementation of line is opportunities and challenges and deposits.
Summary of the invention
In view of the foregoing deficiencies of prior art, technical problem to be solved by the invention is to provide one kind includes
The two-band ultra wide band of the full 3G communications band of the full 2G communications band and 1.7GHz~2.7GHz of 824MHz~960MHz is bipolar
Change antenna.
For achieving the above object, technical solution of the present invention is as follows:
A kind of two-band ultra wideband dual polarization antenna, the first medium plate and second medium interted including two pieces in center line
Plate, every piece of dielectric-slab upper and lower surface are respectively equipped with metal feed element and metal radiation unit, and the metal feed element includes
Top the first U-shaped minor matters that Open Side Down, the second U-shaped minor matters of opening to the right being connected to below the first U-shaped minor matters, first
The second horizontal segment under the bottom right side of U-shaped minor matters is connected by the 4th horizontal segment above U-shaped minor matters, the 4th horizontal segment and second
The junction of U-shaped minor matters is equipped with metallic ground through-hole, and metallic ground through-hole is located on the center line of dielectric-slab, and feed position occupies
In, antenna omnidirectional performance is more preferable；The metal radiation unit includes the first radiation list for being horizontally placed on dielectric-slab bottom centre
Member, be vertically connected above the first radiating element about symmetrical second radiating element of dielectric-slab center line and third spoke
Penetrate unit, horizontal connection above the second radiating element and third radiating element about dielectric-slab center line symmetrical
Four radiating elements and the 5th radiating element, there are gap between second radiating element and third radiating element, the described 4th
There are gaps between radiating element and the 5th radiating element, and the center of the 4th radiating element is equipped with the first rectangular opening, described
The center of 5th radiating element is equipped with the second rectangular opening.
Two blocks of dielectric-slabs, which intersect to place, realizes the dual polarization characteristic of antenna, which is separated and different using orthogonal
Side feed, two interport isolations are all very good, and since the hardened structure of tailored radiation is also full symmetric, cross polarization electricity
Flat all very small, the omni-directional on directional diagram is also fine, realizes the omni-directional in the face H well.
Several radiating elements constitute symmetrical U-shaped irradiation structure in the structure, because of the couple feed form used, this spoke
Penetrate plane can effective omnidirectional radiation energy generate similar resonance point, can further widen and in conjunction with the wide slit formula of opening
The beamwidth of antenna.
It is vertically worn it is preferred that the first medium plate and second medium plate pass through the gap that its center is arranged respectively
It inserts, the gap is above the first U-shaped minor matters of metal feed element, and in the 4th radiating element of metal radiation unit and the
Between five radiating elements.
It is preferred that the first U-shaped minor matters are including between the first vertical section, the second vertical section, two vertical sections
The 4th horizontal segment below the second vertical section of first horizontal segment, horizontal connection, be respectively equipped with left balun on two vertical sections
Feed structure and right balun feed structure.The structure constitutes double minor matters balun feed structures, since impedance matching is good, and adopts
The Q value that direct-coupling feeding classification can greatly reduce medium substrate is also realized so greatly having widened the beamwidth of antenna
The dual-band characteristic of antenna.
It is preferred that the second U-shaped minor matters include the second horizontal segment, are vertically connected at below horizontal segment left end
The third horizontal segment of third vertical section, left end horizontal connection below third vertical section.
It is preferred that the angle between two blocks of dielectric-slabs is 90 °.Realizing a kind of mode of dual polarization performance is
Horizontal ± 45 ° of dual polarizations, so needing to make the angle between two blocks of dielectric-slabs is 90 °.
It is preferred that the vertical range of metallic ground through-hole and the matter substrate bottom where feed element be 20~
25mm, 5~10mm of vertical range of metallic ground through-hole and the first radiating element upper edge.
It is preferred that the width in the gap is 1mm, the second radiating element right end and gap left end
Horizontal distance is 0.2~0.3mm, and the horizontal distance of the third radiating element left end and gap right end is 0.2~0.3mm.
Find that horizontal distance is smaller by software emulation, if the bandwidth performance of antenna can be better, but horizontal distance is too small, when two pieces
When plank intersects placement, aerial radiation face will be contacted, meeting severe exacerbation antenna performance, therefore set above-mentioned horizontal distance.
It is preferred that the width of first rectangular opening and the second rectangular opening is 10mm, length 15mm.It is such
Above-mentioned two specific frequency range that size is directed to, gap length and width can finely tune.
It is preferred that two pieces of medium substrates be FR4 epoxy resin board, dielectric constant 4.4, with a thickness of
0.8mm, dielectric loss is less than 0.02.The thickness of medium substrate is thinner in the structure, and balun feeder line is played the role of being more obvious,
Antenna ultra wideband more easy to accomplish, the cost performance of the material of such parameter are highest.
The invention has the benefit that the present invention is by intersecting placement, double minor matters baluns on two pieces of radiant panel overall spaces
Feed structure and symmetrical U-shaped irradiation structure, the dual polarization characteristic of antenna, dual-band characteristic and ultra wide band characteristic is all real
It is existing, and Antenna Operation, in 824MHz~960MHz frequency range and 1.7GHz~2.7GHz frequency range, it is logical that this two-band covers full 2G
Believe frequency range and full 3G communications band, such antenna not only whole duty small volume, but also there is good interport isolation
And cross polarization level.
Detailed description of the invention
Fig. 1 is overall construction drawing of the invention；
Fig. 2 is the side view of dielectric-slab of the invention；
Fig. 3 is the structure chart of feed element of the invention；
Fig. 4 is the structure chart of radiating element of the invention.
Wherein, 1 is first medium plate, and 2 be second medium plate, and 3 be feed element, and 31 be the second U-shaped minor matters, and 32 be first
U-shaped minor matters, 326 be the first vertical section, and 322 be the second vertical section, and 312 be third vertical section, and 324 be first horizontal segment, and 313 are
Second horizontal segment, 311 be third horizontal segment, and 321 be the 4th horizontal segment, and 325 be left balun feed structure, and 323 present for right balun
Electric structure, 4 be radiating element, and 41 be the first radiating element, and 421 be the second radiating element, and 431 be third radiating element, and 422 are
4th radiating element, 432 be the 5th radiating element, and 423 first rectangular openings, 433 be the second rectangular opening, and 7 be gap, and 9 be metal
Grounding through hole.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
As shown in Figure 1, a kind of two-band ultra wideband dual polarization antenna, the first medium plate interted including two pieces in center line
1 and second medium plate 2, two blocks of dielectric-slabs are identical, and in two surfaces up and down of every block of dielectric-slab, one of surface is equipped with metal
Feed element 3, another surface are equipped with metal radiation unit 4；The metal feed element and metal radiation unit are all to cover copper
Layer is the shape that the copper sheet of dielectric-slab upper and lower surface is required by way of corrosion, and the metal feed element includes upper
Side's the first U-shaped minor matters 32 that Open Side Down, the second U-shaped minor matters 31 of opening to the right being connected to below the first U-shaped minor matters, the
The second horizontal segment 313 under the bottom right side of one U-shaped minor matters 32 is connected by the 4th horizontal segment 321 above U-shaped minor matters, the 4th water
The junction of flat section 321 and the second U-shaped minor matters 31 is equipped with metallic ground through-hole 9, and metallic ground through-hole 9 is located at the center of dielectric-slab
On line, the metal radiation unit includes the first radiating element 41 for being horizontally placed on dielectric-slab bottom centre, is vertically connected at
Above first radiating element about symmetrical second radiating element 421 of dielectric-slab center line and third radiating element 431,
Horizontal connection above the second radiating element 421 and third radiating element about symmetrical 4th spoke of dielectric-slab center line
Unit 422 and the 5th radiating element 433 are penetrated, each radiating element is all rectangle, second radiating element 421 and third spoke
Penetrate between unit 431 that there are gaps, there are gap between the 4th radiating element 422 and the 5th radiating element 433, described
The center of four radiating elements 422 is equipped with the first rectangular opening 423, and the center of the 5th radiating element 432 is equipped with the second rectangular opening
433。
Gap 7 is both provided on the center line of the first medium plate and second medium plate, two blocks of dielectric-slabs are stitched by this
Gap 7 is vertically interspersed, and the angle between two blocks of dielectric-slabs is 90 °.First U-shaped branch of the gap 7 in metal feed element
32 top of section, and between the 4th radiating element 422 of metal radiation unit and the 5th radiating element 433.
The first U-shaped minor matters 32 include first between 322, two the first vertical section 326, the second vertical section vertical sections
Horizontal segment 324, horizontal connection are distinguished on the 4th horizontal segment 321 of 322 lower section of the second vertical section, two vertical sections 326 and 322
Equipped with left balun feed structure 325 and right balun feed structure 323.
The second U-shaped minor matters 31 include the second horizontal segment 313, the third being vertically connected at below 313 left end of horizontal segment
Vertical section 312, left end horizontal connection are in the third horizontal segment 311 of 312 lower section of third vertical section.
The vertical range of matter substrate bottom where metallic ground through-hole 9 and feed element is 20~25mm, and metal connects
5~10mm of vertical range of 41 upper edge of ground through-hole 9 and the first radiating element.
The width in the gap 7 is 1mm, the horizontal distance of 421 right end of the second radiating element and 7 left end of gap
For 0.2~0.3mm, the horizontal distance of 431 left end of third radiating element and 7 right end of gap is 0.2~0.3mm.
The width of first rectangular opening 423 and the second rectangular opening 433 is 10mm, length 15mm.
Two pieces of medium substrates are FR4 epoxy resin board, and dielectric constant 4.4, with a thickness of 0.8mm, dielectric loss is small
In 0.02.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, all those of ordinary skill in the art are completed without departing from the spirit and technical ideas disclosed in the present invention
All equivalent modifications or change, should be covered by the claims of the present invention.
Claims (9)
1. a kind of two-band ultra wideband dual polarization antenna, it is characterised in that: the first medium plate interted including two pieces in center line
With second medium plate, every piece of dielectric-slab upper and lower surface is respectively equipped with metal feed element and metal radiation unit, the metal feedback
Electric unit includes the of top the first U-shaped minor matters (32) that Open Side Down, the opening being connected to below the first U-shaped minor matters to the right
Two U-shaped minor matters (31), under the bottom right side of the first U-shaped minor matters (32) is connected by the 4th horizontal segment (321) above U-shaped minor matters
The junction of second horizontal segment (313), the 4th horizontal segment (321) and the second U-shaped minor matters (31) is equipped with metallic ground through-hole (9),
Metallic ground through-hole (9) is located on the center line of dielectric-slab, and the metal radiation unit includes being horizontally placed on dielectric-slab bottom
First radiating element (41) at center, be vertically connected at it is symmetrical about dielectric-slab center line above the first radiating element
Second radiating element (421) and third radiating element (431), horizontal connection are in the second radiating element (421) and third radiation list
First top about symmetrical 4th radiating element (422) of dielectric-slab center line and the 5th radiating element (433), described the
There are gap, the 4th radiating element (422) and the 5th spokes between two radiating elements (421) and third radiating element (431)
It penetrates between unit (432) there are gap, the center of the 4th radiating element (422) is equipped with the first rectangular opening (423), and described the
The center of five radiating elements (432) is equipped with the second rectangular opening (433).
2. two-band ultra wideband dual polarization antenna according to claim 1, it is characterised in that: the first medium plate and
Second medium plate passes through the gap (7) that its center is arranged respectively and vertically interts, first U of the gap (7) in metal feed element
Above type minor matters (32), and between the 4th radiating element (422) of metal radiation unit and the 5th radiating element (433).
3. two-band ultra wideband dual polarization antenna according to claim 1, it is characterised in that: the first U-shaped minor matters
(32) including first horizontal segment (324), the level between the first vertical section (326), the second vertical section (322), two vertical sections
The 4th horizontal segment (321) being connected to below the second vertical section (322) is respectively equipped with a left side on two vertical sections (326) and (322)
Balun feed structure (325) and right balun feed structure (323).
4. two-band ultra wideband dual polarization antenna according to claim 1, it is characterised in that: the second U-shaped minor matters
It (31) include the second horizontal segment (313), the third vertical section (312) being vertically connected at below horizontal segment (313) left end, left end water
Third horizontal segment (311) of the flushconnection below third vertical section (312).
5. two-band ultra wideband dual polarization antenna according to claim 1, it is characterised in that: between two blocks of dielectric-slabs
Angle be 90 °.
6. two-band ultra wideband dual polarization antenna according to claim 1, it is characterised in that: metallic ground through-hole (9) with
The vertical range of matter substrate bottom where feed element is 20~25mm, metallic ground through-hole (9) and the first radiating element
(41) 5~10mm of vertical range of upper edge.
7. two-band ultra wideband dual polarization antenna according to claim 2, it is characterised in that: the width in the gap (7)
Spending is 1mm, and the horizontal distance of the second radiating element (421) right end and gap (7) left end is 0.2~0.3mm, described
The horizontal distance of third radiating element (431) left end and gap (7) right end is 0.2~0.3mm.
8. two-band ultra wideband dual polarization antenna according to claim 1, it is characterised in that: first rectangular opening
(423) and the width of the second rectangular opening (433) be 10mm, length 15mm.
9. two-band ultra wideband dual polarization antenna according to claim 1, it is characterised in that: two pieces of medium substrates are
FR4 epoxy resin board, dielectric constant 4.4, with a thickness of 0.8mm, dielectric loss is less than 0.02.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458452.3A CN106099369B (en) | 2016-06-22 | 2016-06-22 | Two-band ultra wideband dual polarization antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458452.3A CN106099369B (en) | 2016-06-22 | 2016-06-22 | Two-band ultra wideband dual polarization antenna |
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| Publication Number | Publication Date |
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| CN106099369A CN106099369A (en) | 2016-11-09 |
| CN106099369B true CN106099369B (en) | 2019-03-29 |
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| CN201610458452.3A Active CN106099369B (en) | 2016-06-22 | 2016-06-22 | Two-band ultra wideband dual polarization antenna |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123858A (en) * | 2017-03-02 | 2017-09-01 | 王宇 | The coaxial antenna for base station of high performance miniization |
| TWI677133B (en) * | 2018-03-22 | 2019-11-11 | 國立交通大學 | Signal line conversion structure of the antenna array |
| CN109888477B (en) * | 2019-03-01 | 2023-12-19 | 深圳市信维通信股份有限公司 | Dual-frequency dual-polarized MIMO antenna system applied to 5G communication and mobile terminal |
| CN111987436A (en) * | 2020-07-03 | 2020-11-24 | 西安电子科技大学 | 5G frequency band wide beam dual-polarization base station antenna and mobile communication system |
| CN111987448B (en) * | 2020-09-18 | 2022-08-12 | 上海无线电设备研究所 | Dual-polarized Vivaldi antenna |
| CN112018514A (en) * | 2020-09-27 | 2020-12-01 | 上海安费诺永亿通讯电子有限公司 | Dual-frequency dual-polarization omnidirectional antenna |
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| CN1825704A (en) * | 2006-03-06 | 2006-08-30 | 浙江大学 | Angle reflecting flush printed board dipole antenna |
| CN201918502U (en) * | 2010-12-07 | 2011-08-03 | 南京恩瑞特实业有限公司 | Broadband high-isolation dual-polarization antenna unit adopting strip line structure |
| CN103682592A (en) * | 2012-08-30 | 2014-03-26 | 财团法人工业技术研究院 | Dual-frequency coupling feed antenna and adjustable beam module using same |
| CN204118236U (en) * | 2013-12-26 | 2015-01-21 | 广州杰赛科技股份有限公司 | Single-polarized antenna and dual polarized antenna |
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|---|---|---|---|---|
| CN1825704A (en) * | 2006-03-06 | 2006-08-30 | 浙江大学 | Angle reflecting flush printed board dipole antenna |
| CN201918502U (en) * | 2010-12-07 | 2011-08-03 | 南京恩瑞特实业有限公司 | Broadband high-isolation dual-polarization antenna unit adopting strip line structure |
| CN103682592A (en) * | 2012-08-30 | 2014-03-26 | 财团法人工业技术研究院 | Dual-frequency coupling feed antenna and adjustable beam module using same |
| CN204118236U (en) * | 2013-12-26 | 2015-01-21 | 广州杰赛科技股份有限公司 | Single-polarized antenna and dual polarized antenna |
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