CN107634343A - A kind of coplanar Shared aperture antenna for base station of two-band - Google Patents
A kind of coplanar Shared aperture antenna for base station of two-band Download PDFInfo
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- CN107634343A CN107634343A CN201710782963.5A CN201710782963A CN107634343A CN 107634343 A CN107634343 A CN 107634343A CN 201710782963 A CN201710782963 A CN 201710782963A CN 107634343 A CN107634343 A CN 107634343A
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- medium substrate
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- floor
- coplanar
- base station
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- 239000000758 substrate Substances 0.000 claims abstract description 44
- 239000000725 suspension Substances 0.000 claims abstract description 22
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 238000007639 printing Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000003071 parasitic effect Effects 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000024241 parasitism Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a kind of coplanar Shared aperture antenna for base station of two-band, is made up of feed circuit plate (2), reflection floor (3), the dipole antenna (5) being printed on first medium substrate (4) and suspension paster antenna (6).The present invention can be used in microwave and millimeter wave communication system, particularly the antenna for base station of the coplanar Shared aperture of two-band.Its advantage is low section height, planarization, in light weight, inexpensive, the process-cycle is fast.
Description
Technical field
The invention belongs to microwave antenna art field, more particularly to the two-band coplanar Shared aperture base station day in microwave antenna
Line.
Background technology
With the fast development of Modern Communication System, mobile base station is also towards low section, miniaturization, lightweight, low cost
Direction develop.And exactly caused one kind is applied to mobile base station to two-band even multiband coplanar antennae under these circumstances
There is low section, multi-frequency multi-mode, the integrated antenna of low cost, the coplanar antenna for base station of two-band meeting mobile base station to more
While the requirement of frequency multimode, greatly improve cost that the non-coplanar design of height band antenna in traditional base station brings and
The situation of space waste.
In traditional antenna for base station design, high band and low-frequency range are typically all to add reflecting plate to realize using dipole.For
The one-way radiation performance of antenna is realized, the distance of dipole is liftoff plate follows quarter-wave principle.Due to high band
It is larger with low-frequency range frequency distance so that high band dipole must will be less than low-frequency range dipole phase relative to the height on floor
For the height on floor, even if low-frequency range dipole may use the technology of some reduction section heights to cause whole height to drop
Low, height frequency range dipole can not be realized in approximately the same plane.Therefore, the whole height of traditional base station antenna is limited to low
The height of frequency dipole, section is higher, and space-consuming is big, and volume is big, and high processing costs, not easy of integration, is unfavorable for advising greatly
Mould produces, and needs improvement badly.
The content of the invention
The purpose of the present invention is to propose to a kind of coplanar Shared aperture antenna for base station of two-band, existing antenna for base station section is overcome
High, the shortcomings that low-and high-frequency is non-coplanar, weight is heavy, volume is big, high processing costs.
The technical scheme is that：A kind of coplanar Shared aperture antenna for base station of two-band, including raddiating circuit plate, feed electricity
Road plate, reflection floor；Described raddiating circuit plate includes first medium substrate, the dipole day being printed on first medium substrate
Line and suspension paster antenna；Described feed circuit plate includes second medium substrate, the 3rd medium substrate, printing second medium
The 180 degree feeding network of substrate front side, 0 degree of feeding network for printing the positive shared floor of the 3rd medium substrate and reverse side；
Described raddiating circuit plate and reflection floor normal direction is coaxial, and described feed circuit plate is located in raddiating circuit plate and reflection floor
Between normal direction axis on.
Further, dipole antenna includes being printed on the first dipole arm of first medium substrate back, is printed on the
Positive second dipole arm of one medium substrate, the first feed circular hole etched in the second dipole arm, two parasitic triangulars
The the second feed circular hole of paster, pad and etching on pad；First dipole arm and the second dipole arm size complete one
Sample；Two parasitic triangular shape paster is symmetrically placed and size is identical；First feed circular hole and the second feed circular hole are situated between positioned at first
The surface of non-metallic through hole on matter substrate.
Further, printing the 180 degree feeding network of second medium substrate front side includes positive parallel wire part, the first resistance
Resistance changes microstrip line and the first shape of falling G coupling line.
Further, it is printed on 0 degree of feeding network at the 3rd medium substrate back side and is printed on second medium substrate front side
180 degree feeding network on feed circuit plate vertical axis Central Symmetry；0 degree of described feeding network includes negative parallel wire
Partly, the second impedance conversion microstrip line and the second shape of falling G coupling line；Described positive parallel wire part and negative parallel wire part
The surface of the 3rd feed circular hole on reflection floor.
Further, be printed on the positive shared floor of the 3rd medium substrate include notched horizontal rectangle floor and
Two short-circuiting metal strips；Two short-circuiting metal strips by pin pass through first medium substrate in through hole, suspension paster antenna on
Short-circuit through hole with suspension paster antenna be connected；Horizontal rectangle floor is connected with reflection floor.
The advantages of the present invention：
(1) compare has that planarization, section height be low, structure with the non-coplanar two-band antenna for base station of tradition, the present invention
The advantages of compact.Compared with the non-coplanar antenna for base station of traditional low-and high-frequency segment unit, ensureing width of the antenna in two frequency ranges
In the case of band and good directional diagram, by by two frequency ranges be respectively adopted dipole antenna and suspension paster antenna print it is same
On block dielectric-slab, the overall section height of antenna is reduced, weight is lighter, and cost is lower, and the process-cycle is shorter；
(2) compared with existing coplanar dual-band antenna, the coplanar common reflector unit low-and high-frequency of two-band in the present invention
Section is fed by two feed ports respectively, extra power splitter is not needed in group battle array design, after reducing group battle array
Cost.
(3) the coplanar common reflector of two-band of the invention using dipole due to being nested in annular suspension paster antenna
Between realize, the impedance matching of the dipole antenna of high band can be easily achieved by adjusting the size of annular paster antenna.
(4) the differential feed network print that low-frequency range feeding network is related in the coplanar common reflector of two-band of the invention
Brush is in vertical supporting plate, and so as to solve, back is close to the design of metallic plate feeding network due to antenna in actual use
The problem of difficult.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention
Fig. 2 is the low-frequency range feed section structural representation of the present invention
Fig. 3 is the high band dipole antenna configuration schematic diagram of the present invention
Embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings：As shown in figure 1, a kind of two-band is coplanar
Shared aperture antenna for base station, including raddiating circuit plate 1, feed circuit plate 2, reflection floor 3；Described raddiating circuit plate 1 includes the
One medium substrate 4, the dipole antenna 5 being printed on first medium substrate 4 and suspension paster antenna 6；Described feed electricity
Road plate 2 includes second medium substrate 7, the 3rd medium substrate 8,7 positive 180 degree feeding network 9 of printing second medium substrate, print
Brush 0 degree of feeding network 11 of 8 positive shared floor 10 of the 3rd medium substrate and reverse side；Described raddiating circuit plate 1 and anti-
Penetrate that the normal direction of floor 3 is coaxial, described feed circuit plate 2 is located at raddiating circuit plate 1 and reflected on the normal direction axis among floor 3.
Further, dipole antenna 5 includes being printed on first dipole arm 51 at the back side of first medium substrate 4, printing
In the first feed circular hole 54, two of positive second dipole arm 52 of first medium substrate 4, etching in the second dipole arm 52
The the second feed circular hole 56 of individual parasitic triangular paster 53, pad 54 and etching on pad 54；First dipole arm 51 and
The size of two dipole arm 52 is just the same；Two parasitic triangular shape paster 53 is symmetrically placed and size is identical；First feed circular hole
54 and second feed circular hole 56 be located at the surface of non-metallic through hole 41 on first medium substrate 4.
Further, printing 7 positive 180 degree feeding network 9 of second medium substrate includes positive parallel wire part 91, the
One impedance converts the shape of the falling G coupling line 93 of microstrip line 92 and first.
Further, it is printed on 0 degree of feeding network 11 at the back side of the 3rd medium substrate 8 and is printed on second medium substrate 7
Positive 180 degree feeding network 9 is on the vertical axis Central Symmetry of feed circuit plate 2；0 degree of described feeding network 11 includes negative
Parallel wire part 111, the second impedance conversion shape of falling G coupling line 113 of microstrip line 112 and second；Described positive parallel wire portion
Points 91 and the surface of threeth feed circular hole 31 of the negative parallel wire part 111 on reflection floor 3.
Further, it is printed on 8 positive shared floor 10 of the 3rd medium substrate with including notched horizontal rectangle
Plate 102 and two short-circuiting metal strips 101；Two short-circuiting metal strips 101 pass through the through hole in first medium substrate 4 by pin
42nd, the short-circuit through hole 61 suspended on paster antenna 6 is connected with suspension paster antenna 6；Horizontal rectangle floor 102 and reflection floor
3 connections.
The principle of technical scheme is：The dipole antenna 5 being printed on first medium substrate 4 is operated in high frequency
Section, by adjusting the gap between two parasitic triangular pasters 53 and dipole antenna 5 so that the void of high frequency dipole antenna 5
Portion becomes more flat.Suspension paster antenna 6 as low frequency radiation device acts not only as suspension paster and is operated in low-frequency range,
But also the impedance matching of high frequency dipole antenna 5 can be influenceed, the adjustment suspension inner edge of paster antenna 6 is apart from dipole antenna 5
Distance can cause the input impedance of dipole antenna 5 being matched to good in broadband.Suspension paster antenna 6 passes through print
The differential feed network feeder on feed circuit plate 2 is brushed, differential feed network leads to by the way that parallel wire is converted into microstrip line
Cross the first shape of falling G coupling line 93 and the second shape of falling G coupling line 113 and give the suspension couple feed of paster antenna 6.Adjust the first shape of falling G
The position dimension of the shape of the falling G coupling line 113 of coupling line 93 and second can adjust the impedance matching of low-frequency range suspension paster antenna 6.
For the impedance matching of further adjustment suspension paster antenna 6, two short-circuiting metal strips 101, regulation the first shape of falling G coupling are introduced
The gap of 93 and second shape of falling G coupling line of line 113, two short-circuiting metal strips 101 of distance, low-frequency range suspension paster day can make it that
Line reaches preferable matching status
To further illustrate the exploitativeness of above-mentioned technical proposal, a specific design example, a kind of double frequency is given below
The coplanar Shared aperture antenna for base station of section, the low-frequency range suspension paster antenna 6 of design are operated in 820MHz~960MHz, high band dipole
The working frequency range of sub-antenna 5 is 1710MHz~2690MHz.The suspension ring inner edge size of paster antenna 6 be 80mm × 80mm, ring outside
Size is 130mm × 160mm, and the square arm length of side of dipole antenna 5 two is 22mm, the isosceles triangle two of end corner cut
The individual a length of 5mm of waist edge.The first impedance conversion microstrip line 92 and second impedance conversion length of microstrip line 112 is 70.65mm, width
It is 2.2mm, the first shape of falling G coupling line 93 and the height of the second shape of falling G coupling line 113 are 27.5mm, and lateral length is
25mm, end vertical height are 20mm, the long 5mm in terminal horizontal part, the first shape of falling G coupling line 93 and the second shape of falling G coupling line
Gap width between 113 and vertical short-circuiting metal strip 101 is 0.8mm.Short-circuiting metal strip 101 long 26mm, wide 2mm.It is parallel
Two-wire partial width is 5.5mm.2 high 40mm of feed circuit plate.Test result shows that low-frequency range suspension paster antenna 6 exists
796MHz~984MHz frequency bands standing internal wave is less than 2, and maximum gain scope is 8.5dB~9.5dB.The work of high band dipole antenna 5
It is 1474MHz~2781MHz to make frequency range, and standing wave is less than 2, and maximum gain scope is 7.6dB~10.1dB.Both ends in high-low frequency band
Isolation between mouthful is all higher than 23dB.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make the various other various tools for not departing from the present invention according to these technical inspirations disclosed by the invention
Body deforms and combination, and these deformations and combination are still within the scope of the present invention.
Claims (5)
1. a kind of coplanar Shared aperture antenna for base station of two-band, including raddiating circuit plate (1), feed circuit plate (2), reflection floor
(3)；It is characterized in that：Described raddiating circuit plate (1) includes first medium substrate (4), is printed on first medium substrate (4)
Dipole antenna (5) and suspension paster antenna (6)；Described feed circuit plate (2) includes second medium substrate (7), the
Three medium substrates (8), the positive 180 degree feeding network (9) of printing second medium substrate (7), the 3rd medium substrate (8) of printing are just
The shared floor (10) in face and 0 degree of feeding network (11) of reverse side；Described raddiating circuit plate (1) and reflection floor (3) method
It is located at raddiating circuit plate (1) to coaxial, described feed circuit plate (2) and reflects on the normal direction axis among floor (3).
A kind of 2. coplanar Shared aperture antenna for base station of two-band according to claim 1, it is characterised in that：Described dipole
Antenna (5) includes being printed on first dipole arm (51) at first medium substrate (4) back side, is printed on first medium substrate (4)
The first feed circular hole (54), two parasitisms three of positive second dipole arm (52), etching in the second dipole arm (52)
The the second feed circular hole (56) of butt chock (53), pad (54) and etching on pad (54)；First dipole arm (51) and
Second dipole arm (52) size is just the same；Two parasitic triangular shape paster (53) is symmetrically placed and size is identical；First feedback
Electric circular hole (54) and the second feed circular hole (56) are located at the surface of the non-metallic through hole (41) on first medium substrate (4).
A kind of 3. coplanar Shared aperture antenna for base station of two-band according to claim 1, it is characterised in that：Described printing
The positive 180 degree feeding network (9) of second medium substrate (7) includes positive parallel wire part (91), the first impedance conversion microstrip line
And the first shape of falling G coupling line (93) (92).
A kind of 4. coplanar Shared aperture antenna for base station of two-band according to claim 1, it is characterised in that：Described is printed on
0 degree of feeding network (11) at the 3rd medium substrate (8) back side is with being printed on the positive 180 degree transmission network of second medium substrate (7)
Network (9) is on feed circuit plate (2) vertical axis Central Symmetry；0 degree of described feeding network (11) includes negative parallel wire portion
Divide (111), the second impedance conversion microstrip line (112) and the second shape of falling G coupling line (113)；Described positive parallel wire part
(91) and negative parallel wire part (111) is positioned at the surface of the 3rd feed circular hole (31) reflected on floor (3).
A kind of 5. coplanar Shared aperture antenna for base station of two-band according to claim 1, it is characterised in that：Described is printed on
The positive shared floor (10) of 3rd medium substrate (8) includes notched horizontal rectangle floor (102) and two short circuit gold
Belong to bar (101)；Two short-circuiting metal strips (101) pass through through hole (42), suspension paster in first medium substrate (4) by pin
Short-circuit through hole (61) on antenna (6) is connected with suspension paster antenna (6)；Horizontal rectangle floor (102) and reflection floor (3)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782963.5A CN107634343A (en) | 2017-09-03 | 2017-09-03 | A kind of coplanar Shared aperture antenna for base station of two-band |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782963.5A CN107634343A (en) | 2017-09-03 | 2017-09-03 | A kind of coplanar Shared aperture antenna for base station of two-band |
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| Publication Number | Publication Date |
|---|---|
| CN107634343A true CN107634343A (en) | 2018-01-26 |
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|---|---|---|---|
| CN201710782963.5A Pending CN107634343A (en) | 2017-09-03 | 2017-09-03 | A kind of coplanar Shared aperture antenna for base station of two-band |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767455A (en) * | 2018-05-07 | 2018-11-06 | 电子科技大学 | A kind of two-port ultra wide band combined antenna that plane is co-structured |
| CN109524796A (en) * | 2018-12-11 | 2019-03-26 | 中国电子科技集团公司信息科学研究院 | A kind of low scattering slot array antenna of broadband low section |
| CN109728440A (en) * | 2018-12-29 | 2019-05-07 | 电子科技大学 | A kind of planar broad band lens antenna based on transmitting-receiving structure type |
| CN110380199A (en) * | 2019-06-20 | 2019-10-25 | 上海交通大学 | Shared aperture dual-band array antenna based on micro-strip grid and patch |
| CN114156659A (en) * | 2021-11-30 | 2022-03-08 | 杭州电子科技大学 | Broadband common-caliber dipole array of Sub-6GHz and millimeter wave frequency bands |
| CN116014451A (en) * | 2022-12-01 | 2023-04-25 | 黑龙江大学 | Broadband double-back-cavity polarized reconfigurable antenna based on liquid metal switch |
| CN118508080A (en) * | 2024-07-16 | 2024-08-16 | 广东工业大学 | Homopolar double-broadband omni-directional common-caliber antenna |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767455A (en) * | 2018-05-07 | 2018-11-06 | 电子科技大学 | A kind of two-port ultra wide band combined antenna that plane is co-structured |
| CN108767455B (en) * | 2018-05-07 | 2024-01-26 | 电子科技大学 | Planar co-structure two-port ultra-wideband composite antenna |
| CN109524796A (en) * | 2018-12-11 | 2019-03-26 | 中国电子科技集团公司信息科学研究院 | A kind of low scattering slot array antenna of broadband low section |
| CN109728440A (en) * | 2018-12-29 | 2019-05-07 | 电子科技大学 | A kind of planar broad band lens antenna based on transmitting-receiving structure type |
| CN110380199A (en) * | 2019-06-20 | 2019-10-25 | 上海交通大学 | Shared aperture dual-band array antenna based on micro-strip grid and patch |
| CN114156659A (en) * | 2021-11-30 | 2022-03-08 | 杭州电子科技大学 | Broadband common-caliber dipole array of Sub-6GHz and millimeter wave frequency bands |
| CN114156659B (en) * | 2021-11-30 | 2024-02-02 | 杭州电子科技大学 | Broadband common-caliber dipole array of Sub-6GHz and millimeter wave frequency bands |
| CN116014451A (en) * | 2022-12-01 | 2023-04-25 | 黑龙江大学 | Broadband double-back-cavity polarized reconfigurable antenna based on liquid metal switch |
| CN116014451B (en) * | 2022-12-01 | 2024-05-14 | 黑龙江大学 | Broadband double-back-cavity polarized reconfigurable antenna based on liquid metal switch |
| CN118508080A (en) * | 2024-07-16 | 2024-08-16 | 广东工业大学 | Homopolar double-broadband omni-directional common-caliber antenna |
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Application publication date: 20180126 |