CN107240770A - A kind of periodic spatial wave resistance for micro-strip antenna array keeps off decoupling arrangements - Google Patents
A kind of periodic spatial wave resistance for micro-strip antenna array keeps off decoupling arrangements Download PDFInfo
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- CN107240770A CN107240770A CN201710324846.4A CN201710324846A CN107240770A CN 107240770 A CN107240770 A CN 107240770A CN 201710324846 A CN201710324846 A CN 201710324846A CN 107240770 A CN107240770 A CN 107240770A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
Decoupling arrangements are kept off the present invention relates to a kind of periodic spatial wave resistance for microstrip antenna array, for reducing the coupling between array antenna, are mainly realized by being loaded with three-dimensional periodic spatial ripple barrier structure between aerial array.Designed three-dimensional periodic spatial ripple barrier structure can reduce the coupling between antenna array array element, improve the isolation of antenna array.The structure mainly includes medium substrate 701, common ground plate 301, antenna rectangular radiation patch 101 and 102, three-dimensional periodic spatial ripple barrier structure 201, paster 601, grounded probe 501, coaxial feed port 401 and 402；Three-dimensional periodic spatial ripple barrier structure designed by the present invention can not only effectively reduce the coupling between aerial array, and can effectively improve the isolation of antenna array, realize the design of high-performance array antenna.
Description
Technical field
The invention belongs to array antenna technique field, and in particular to a kind of periodic spatial ripple for micro-strip antenna array
Stop decoupling arrangements.
Background technology
In recent years, array antenna technique receives the favor of moving communicating field scholars, and in base station and radar
It is widely used.But, the requirement more and more higher with people to mobile communication equipment, array antenna technique is being used
Many limitations are received in process, such as volume is big, and gain is low.In addition, modern mobile communication require device miniaturization with just
Taking, this requires the gross space shared by array antenna unit to become very little, so that the distance between antenna array element becomes
Obtain very little.And antenna array array element spacing is one of key parameter of array antenna design, when distance is more than 1/2nd wavelength,
Think that the correlation between each antenna element is low, isolation is big, can be very good work.But in present mobile communication equipment
In, the distance between each antenna element is relatively small, and then makes to produce strong mutual coupling between each array element of antenna array, and this is not
The characteristics such as bandwidth, antenna pattern and the radiation efficiency of antenna array can be only influenceed, the correlation between each antenna element is also resulted in
Property increase, reduce communication system communication quality.So, the correlation between antenna element, drop are reduced using uncoupling technology
Mutual coupling between low antenna array array element, the isolation improved between antenna array array element is one of hot issue of antenna array design.
Dan Sievenpiper propose electromagnetic bandgap structure, electromagnetic bandgap structure according to photonic band gap structure within 1999
The electromagnetic wave that can be formed in certain frequency range in a stopband range, this frequency range can not be by electromagnetic bandgap structure, therefore
Electromagnetic bandgap structure can effectively reduce the coupling between antenna element, and Dan Sievenpiper have started electro-magnetic bandgap
The beginning, turns into one of more effective method in dropping coupling process from this electro-magnetic bandgap.
The content of the invention
, should it is an object of the invention to propose that a kind of periodic spatial wave resistance for micro-strip antenna array keeps off decoupling arrangements
The three-dimensional periodic space wave barrier structure that micro-strip antenna array is used can reduce the phase between micro-strip array antenna unit
Mutual coupling, so as to be obviously improved the isolation between array antenna array element.
The object of the present invention is achieved like this：
The present invention keeps off decoupling arrangements, including medium substrate for a kind of periodic spatial wave resistance for micro-strip antenna array
701, common ground plate 301, antenna rectangular radiation patch 101 and 102, three-dimensional periodic spatial ripple barrier structure 201, paster
601, grounded probe 501, coaxial feed port 401 and 402, it is characterised in that：Common ground plate 301 is located at medium substrate 701
Below；Squaerial rectangular radiation patch 101 and 102 is printed on Rectangular Enclosure with Participating Media substrate 701, is symmetrically distributed in medium substrate
701 center line both sides；Three-dimensional periodic spatial ripple barrier structure 201 two antenna rectangular radiation patch 101 and 102 it
Between, it is connected by grounded probe 501 with common ground plate 301；Paster 601 is attached on medium substrate 701.
Described three-dimensional periodic spatial ripple barrier structure 201 includes 5 identical parallel spatial ripple blocking units,
Each space wave blocking unit spacing is equal；Space wave blocking unit has decoupling structure, is presented symmetrical, upper surface is
Paster structure 1001, front and rear surfaces are paster structure 1002, and the left and right sides has identical decoupling structure.
Described paster structure 1001 is three rectangular band lines, and the rectangle strip line structure size on both sides is identical, on center
Line is symmetrical, middle rectangular band line width of the rectangular band line than both sides；Described paster structure 1002 is also three rectangular band lines, two
The rectangle strip line structure size on side is identical, rectangular band line width of the rectangular band line than both sides symmetrical on center line, middle, and with
The rectangular band line of upper surface keeps being connected with each other with width；The parallel short-circuit structure that three rectangular band lines are constituted is printed on space
On the dielectric support plate of ripple blocking unit, it is connected with paster 601.
Two described coaxial feed ports 401 are connected with SMA connectors respectively with 402, SMA inner wire directly with day
Line rectangular radiation patch 101 is connected with 102, and SMA outer conductor is connected with common ground plate 301.
Described common ground plate 301, antenna rectangular radiation patch 101 and 102 is copper.
Compared with prior art, beneficial effect is the present invention：
The present invention has compact conformation, the Miniaturization Design of aerial array can be achieved, and the distance between antenna array array element is
0.13 center frequency wavelength, far smaller than half wavelength, meet the higher and higher requirement of integrated level；Designed microstrip array
Array antenna keeps off decoupling arrangements by using periodic spatial wave resistance, effectively reduces the coupling between antenna array array element, makes antenna array
Isolation between array element is greatly improved, and improves communication quality.The present invention is carried out using coaxial feed mode to two antenna elements
Feed, is conducive to the Integrated design of antenna array.
Brief description of the drawings
Fig. 1 is the front view that a kind of periodic spatial wave resistance for micro-strip antenna array keeps off decoupling arrangements.
Fig. 2 is the side view that a kind of periodic spatial wave resistance for micro-strip antenna array keeps off decoupling arrangements.
Fig. 3 is the front view of space wave blocking unit.
Fig. 4 is the decoupling characteristic of the embodiment of the present invention four.
Embodiment
The present invention keeps off decoupling arrangements for a kind of periodic spatial wave resistance for micro-strip antenna array, and the structure is used for
Micro-strip antenna array is designed, the micro-strip antenna array has the characteristics such as lower coupling and high-isolation.
The present invention is described in more detail below in conjunction with the accompanying drawings：
Embodiment one
As depicted in figs. 1 and 2, in order to reduce design cost and solve engineering problem, the medium substrate 701 that the present invention is used
It is the FR4 media that dielectric constant is 4.4, the length and width of medium substrate 701 is set according to Miniaturized Microstrip Antennas principle
Meter.
The common ground plate 301 for below medium substrate being antenna array is to cover steel structure in Practical Project.
Theoretical according to EM theory and antenna array Decoupling Design, three-dimensional periodic spatial ripple barrier structure includes 5 skies
Between ripple blocking unit, each space wave blocking unit has decoupling arrangements, all spaces using FR4 as substrate on each face
Ripple blocking unit is linked together by paster 601, is connected finally by grounded probe 501 with common ground plate 301.Adjacent two
The distance between individual space wave blocking unit is identical, and each space wave blocking unit is by 1 wide microstrip line and 2 narrow microstrip line structure
Into, and 3 microstrip lines are connected with paster 601.
Embodiment two
As shown in Fig. 2 a kind of periodic spatial wave resistance for micro-strip antenna array of the present invention keeps off decoupling arrangements, medium
The upper surface of substrate 701 is printed with antenna rectangular radiation patch 101 and 102, and antenna rectangular radiation patch is according to rectangular microstrip day
Lineation opinion is designed, using copper printing material.Two coaxial feed ports 401 and 402 connect SMA connectors, and SMA respectively
Inner wire be connected with antenna rectangular radiation patch 101 and 102, SMA outer conductor is connected with common ground plate 301.Two same
The position of axle feed port 401 and 402 can be determined according to microstrip antenna designs theory, to meet antenna array working frequency
Requirement.
Embodiment three
As shown in figure 3, each space wave blocking unit has decoupling structure, present symmetrical.The patch of its upper surface
Chip architecture 1001 is three rectangular band lines, and the rectangle strip line structure size on both sides is identical, rectangle symmetrical on center line, middle
Rectangular band line width with line than both sides.The paster structure 1002 of its front and rear surfaces is also three rectangular band lines, the rectangular band on both sides
Cable architecture size is identical, rectangular band line width of the rectangular band line than both sides symmetrical on center line, middle, and with the square of upper surface
Shape band line keeps being connected with each other with width.The left and right sides of each space wave blocking unit has identical decoupling structure, and
The distance between adjacent space wave blocking unit is equal.The size of the distance between adjacent cells and each unit can root
It is designed according to engineering demand and uncoupling frequency, the size of paster structure 1001 and 1002 can be according to the frequency of uncoupling
It is adjusted, to meet antenna array uncoupling demand, realizes high-isolation degree design.
Example IV
As shown in figure 4, a kind of periodic spatial wave resistance for micro-strip antenna array of the present invention keeps off decoupling arrangements, in patch
Element microstrip antenna array is built under the selection reasonable size of chip architecture 1001 and 1002, designed micro-strip antenna array can be made
Array element between isolation improve 30dB.
Claims (5)
1. a kind of periodic spatial wave resistance for micro-strip antenna array keeps off decoupling arrangements, including medium substrate (701), public to connect
Floor (301), antenna rectangular radiation patch (101) and (102), three-dimensional periodic spatial ripple barrier structure (201), paster
(601), grounded probe (501), coaxial feed port (401) and (402), it is characterised in that：Common ground plate (301), which is located at, to be situated between
Matter substrate (701) is below；Squaerial rectangular radiation patch (101) and (102) are printed on Rectangular Enclosure with Participating Media substrate (701), right
Claim the center line both sides for being distributed in medium substrate (701)；Three-dimensional periodic spatial ripple barrier structure (201) is in two antenna rectangles
Between radiation patch (101) and (102), it is connected by grounded probe (501) with common ground plate (301)；Paster (601) adheres to
On medium substrate (701).
2. a kind of periodic spatial wave resistance for micro-strip antenna array according to claim 1 keeps off decoupling arrangements, it is special
Levy and be：Described three-dimensional periodic spatial ripple barrier structure (201) is single comprising 5 identical parallel spatial wave resistance gears
Member, each space wave blocking unit spacing is equal；Space wave blocking unit has decoupling structure, and symmetrical, upper table is presented
Face is paster structure (1001), and front and rear surfaces are paster structure (1002), and the left and right sides has identical decoupling structure.
3. a kind of periodic spatial wave resistance for micro-strip antenna array according to claim 2 keeps off decoupling arrangements, it is special
Levy and be：Described paster structure (1001) is three rectangular band lines, and the rectangle strip line structure size on both sides is identical, on center
Line is symmetrical, middle rectangular band line width of the rectangular band line than both sides；Described paster structure (1002) is also three rectangular band lines,
The rectangle strip line structure size on both sides is identical, rectangular band line width of the rectangular band line than both sides symmetrical on center line, middle, and
Rectangular band line with upper surface keeps being connected with each other with width；The parallel short-circuit structure that three rectangular band lines are constituted is printed on sky
Between ripple blocking unit dielectric support plate on, be connected with paster (601).
4. a kind of periodic spatial wave resistance for micro-strip antenna array according to claim 1 keeps off decoupling arrangements, it is special
Levy and be：Two described coaxial feed ports (401) are connected with SMA connectors respectively with (402), and SMA inner wire is direct
It is connected with antenna rectangular radiation patch (101) and (102), SMA outer conductor is connected with common ground plate (301).
5. a kind of periodic spatial wave resistance for micro-strip antenna array according to claim 1 keeps off decoupling arrangements, it is special
Levy and be：Described common ground plate (301), antenna rectangular radiation patch (101) and (102) are copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324846.4A CN107240770B (en) | 2017-05-10 | 2017-05-10 | A kind of periodic spatial wave resistance gear decoupling arrangements for micro-strip antenna array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324846.4A CN107240770B (en) | 2017-05-10 | 2017-05-10 | A kind of periodic spatial wave resistance gear decoupling arrangements for micro-strip antenna array |
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| CN107240770A true CN107240770A (en) | 2017-10-10 |
| CN107240770B CN107240770B (en) | 2019-11-26 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785661A (en) * | 2017-10-18 | 2018-03-09 | 哈尔滨工程大学 | A kind of uncoupling array antenna based on double frequency Meta Materials |
| CN108377161A (en) * | 2017-02-01 | 2018-08-07 | 霍鸣 | Distributed phased array multiple-input, multiple-output for next-generation wireless user equipment hardware design and method |
| CN108400438A (en) * | 2018-03-19 | 2018-08-14 | 重庆大学 | A kind of micro-strip decoupling network of three array element monopole Homogeneous Circular aerial array |
| CN108847533A (en) * | 2018-05-25 | 2018-11-20 | 哈尔滨工程大学 | A kind of decoupling structure between multi-input/output 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 |
| CN111162378A (en) * | 2019-12-26 | 2020-05-15 | 东南大学 | Microstrip antenna |
| CN111355027A (en) * | 2020-03-11 | 2020-06-30 | 中天宽带技术有限公司 | Self-decoupling antenna array |
| CN111600121A (en) * | 2020-05-12 | 2020-08-28 | 中天宽带技术有限公司 | Decoupling patch antenna array |
| CN111987458A (en) * | 2020-07-30 | 2020-11-24 | 南京理工大学 | Decoupling structure between adjacent rectangular patches in dual-frequency antenna array |
| CN112164891A (en) * | 2020-08-31 | 2021-01-01 | 西安朗普达通信科技有限公司 | Offset decoupling chip |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377161A (en) * | 2017-02-01 | 2018-08-07 | 霍鸣 | Distributed phased array multiple-input, multiple-output for next-generation wireless user equipment hardware design and method |
| CN107785661A (en) * | 2017-10-18 | 2018-03-09 | 哈尔滨工程大学 | A kind of uncoupling array antenna based on double frequency Meta Materials |
| CN108400438A (en) * | 2018-03-19 | 2018-08-14 | 重庆大学 | A kind of micro-strip decoupling network of three array element monopole Homogeneous Circular aerial array |
| CN108847533A (en) * | 2018-05-25 | 2018-11-20 | 哈尔滨工程大学 | A kind of decoupling structure between multi-input/output 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 |
| CN111162378B (en) * | 2019-12-26 | 2022-03-18 | 东南大学 | Microstrip antenna |
| CN111162378A (en) * | 2019-12-26 | 2020-05-15 | 东南大学 | Microstrip antenna |
| CN111355027A (en) * | 2020-03-11 | 2020-06-30 | 中天宽带技术有限公司 | Self-decoupling antenna array |
| CN111355027B (en) * | 2020-03-11 | 2022-10-21 | 中天宽带技术有限公司 | Self-decoupling antenna array |
| CN111600121B (en) * | 2020-05-12 | 2022-03-01 | 中天宽带技术有限公司 | Decoupling patch antenna array |
| CN111600121A (en) * | 2020-05-12 | 2020-08-28 | 中天宽带技术有限公司 | Decoupling patch antenna array |
| CN111987458A (en) * | 2020-07-30 | 2020-11-24 | 南京理工大学 | Decoupling structure between adjacent rectangular patches in dual-frequency antenna array |
| CN112164891A (en) * | 2020-08-31 | 2021-01-01 | 西安朗普达通信科技有限公司 | Offset decoupling chip |
| CN112164891B (en) * | 2020-08-31 | 2023-05-23 | 西安朗普达通信科技有限公司 | Cancellation decoupling chip |
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| CN107240770B (en) | 2019-11-26 |
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