CN107240770B - A kind of periodic spatial wave resistance gear decoupling arrangements for micro-strip antenna array - Google Patents
A kind of periodic spatial wave resistance gear decoupling arrangements for micro-strip antenna array Download PDFInfo
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- CN107240770B CN107240770B CN201710324846.4A CN201710324846A CN107240770B CN 107240770 B CN107240770 B CN 107240770B CN 201710324846 A CN201710324846 A CN 201710324846A CN 107240770 B CN107240770 B CN 107240770B
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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
The present invention relates to a kind of periodic spatial wave resistances for microstrip antenna array to keep off decoupling arrangements, for reducing the coupling between array antenna, is mainly realized by being loaded with three-dimensional periodic spatial wave barrier structure between aerial array.Designed three-dimensional periodic spatial wave 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 wave barrier structure 201, patch 601, grounded probe 501, coaxial feed port 401 and 402；Three-dimensional periodic spatial wave barrier structure designed by the present invention can not only effectively reduce the coupling between aerial array, but also 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 fields, and in particular to a kind of periodic spatial wave for micro-strip antenna array
Stop decoupling arrangements.
Background technique
In recent years, array antenna technique receives the favor of mobile communication field scholars, and in base station and radar
It is widely used.But the requirement with people to mobile communication equipment is higher and higher, array antenna technique is using
Many limitations are received in process, if volume is big, gain is low etc..In addition, modern mobile communication require device miniaturization with just
Taking, this requires the occupied gross spaces of array antenna unit to become very little, so that the distance between antenna array element be made to become
Obtain very little.And antenna array array element spacing is one of key parameter of array antenna design, when distance is greater than half 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 generate strong mutual coupling between each array element of antenna array, this is not
It only will affect the characteristics such as bandwidth, antenna pattern and the radiation efficiency of antenna array, also result in the correlation between each antenna element
Property increase, reduce the communication quality of communication system.So reducing the correlation between antenna element, drop 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 in 1999 proposes electromagnetic bandgap structure, electromagnetic bandgap structure according to photonic band gap structure
A stopband range can be formed in certain frequency range, the electromagnetic wave in this frequency range cannot be by electromagnetic bandgap structure, therefore
Electromagnetic bandgap structure can effectively reduce the coupling between antenna element, and Dan Sievenpiper has started electro-magnetic bandgap
The beginning becomes one of more effective method in drop coupling process from this electro-magnetic bandgap.
Summary of the invention
It, 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 uses can reduce the phase between micro-strip array antenna unit
Mutual coupling, to be obviously improved the isolation between array antenna array element.
The object of the present invention is achieved like this:
The present invention is a kind of periodic spatial wave resistance gear decoupling arrangements for micro-strip antenna array, including medium substrate
701, common ground plate 301, antenna rectangular radiation patch 101 and 102, three-dimensional periodic spatial wave barrier structure 201, patch
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 two sides；Three-dimensional periodic spatial wave barrier structure 201 two antenna rectangular radiation patch 101 and 102 it
Between, it is connect by grounded probe 501 with common ground plate 301；Patch 601 is attached on medium substrate 701.
The three-dimensional periodic spatial wave barrier structure 201 includes 5 identical parallel spatial wave blocking units,
Each space wave blocking unit spacing is equal；Space wave blocking unit has decoupling structure, and presentation is symmetrical, and upper surface is
Paster structure 1001, front and rear surfaces are paster structure 1002, left and right sides decoupling structure having the same.
The paster structure 1001 is three rectangular band lines, and the rectangle strip line structure size on both sides is identical, about center
Line is symmetrical, rectangular band line width of the intermediate rectangular band line than both sides；The paster structure 1002 and three rectangular band lines, two
The rectangle strip line structure size on side is identical, symmetrical about center line, intermediate rectangular band line than both sides rectangular band line width, 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 wave blocking unit, it is connect with patch 601.
Two coaxial feed ports 401 and 402 are connected with SMA connector respectively, the inner conductor of SMA directly with day
Line rectangular radiation patch 101 is connected with 102, and the outer conductor of SMA is connect with common ground plate 301.
The common ground plate 301, antenna rectangular radiation patch 101 and 102 are copper.
Compared with prior art, the present invention beneficial effect is:
The present invention has Miniaturization Design compact-sized, that 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 integrated level increasingly higher demands；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 greatly improves, and improves communication quality.The present invention carries out two antenna elements using coaxial feed mode
Feed, is conducive to the Integrated design of antenna array.
Detailed description of the invention
Fig. 1 is a kind of front view of periodic spatial wave resistance gear decoupling arrangements for micro-strip antenna array.
Fig. 2 is a kind of side view of periodic spatial wave resistance gear decoupling arrangements for micro-strip antenna array.
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.
Specific embodiment
The present invention is a kind of periodic spatial wave resistance gear decoupling arrangements for micro-strip antenna array, and the structure is used for
Micro-strip antenna array is designed, which has the characteristics such as lower coupling and high-isolation.
The present invention is described in more detail with reference to the accompanying drawing:
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 uses
It is the FR4 medium 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 projects.
Theoretical according to EM theory and antenna array Decoupling Design, three-dimensional periodic spatial wave barrier structure includes 5 skies
Between wave blocking unit, each space wave blocking unit has decoupling arrangements, all spaces using FR4 as substrate on each face
Wave blocking unit is linked together by patch 601, is connect finally by grounded probe 501 with common ground plate 301.Adjacent two
The distance between a space wave blocking unit is identical, and each space wave blocking unit is by 1 wide microstrip line and 2 narrow microstrip line structure
At, and 3 microstrip lines are connect with patch 601.
Embodiment two
As shown in Fig. 2, a kind of periodic spatial wave resistance for micro-strip antenna array of the invention keeps off decoupling arrangements, medium
701 upper surface of substrate 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 are separately connected SMA connector, and SMA
Inner conductor be connected with antenna rectangular radiation patch 101 and 102, the outer conductor of SMA is connect with common ground plate 301.Two same
The position of axis 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, identical, symmetrical about center line, the intermediate rectangle of the rectangle strip line structure size on both sides
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, symmetrical about center line, rectangular band line width of the intermediate rectangular band line than both sides, and the square with upper surface
Shape band line keeps being connected with each other with width.The left and right sides decoupling structure having the same of each space wave blocking unit, 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 invention keeps off decoupling arrangements, pasting
Chip architecture 1001 and 1002 selects to construct element microstrip antenna array under reasonable size, can make designed micro-strip antenna array
Array element between isolation improve 30dB.
Claims (3)
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), first antenna rectangular radiation patch (101) and the second antenna rectangular radiation patch (102), three-dimensional periodic spatial
Wave barrier structure (201), patch (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；First antenna rectangular radiation patch (101) and the second antenna rectangle
Radiation patch (102) is printed on Rectangular Enclosure with Participating Media substrate (701), is symmetrically distributed in the center line two sides of medium substrate (701)；It is vertical
Body periodic spatial wave barrier structure (201) is in first antenna rectangular radiation patch (101) and the second antenna rectangular radiation patch
(102) it between, is connect by grounded probe (501) with common ground plate (301)；Patch (601) is attached to medium substrate (701)
On；The three-dimensional periodic spatial wave barrier structure (201) includes 5 identical parallel spatial wave blocking units, often
A space wave blocking unit spacing is equal；Space wave blocking unit has decoupling structure, and presentation is symmetrical, and upper surface is patch
Chip architecture (1001), front and rear surfaces are paster structure (1002), left and right sides decoupling structure having the same, the patch
Structure (1001) is three rectangular band lines, identical, symmetrical about center line, the intermediate rectangle of the rectangle strip line structure size on both sides
Rectangular band line width with line than both sides；The paster structure (1002) is also three rectangular band lines, the rectangular band knot on both sides
Structure size is identical, symmetrical about center line, rectangular band line width of the intermediate rectangular band line than both sides, and the rectangular band with upper surface
Line keeps being connected with each other with width；The parallel short-circuit structure that three rectangular band lines are constituted is printed on Jie of space wave blocking unit
In matter support plate, it is connect with patch (601).
2. a kind of periodic spatial wave resistance for micro-strip antenna array according to claim 1 keeps off decoupling arrangements, special
Sign is: two coaxial feed ports (401), (402) are connected with SMA connector respectively, the inner conductor of SMA directly with
First antenna rectangular radiation patch (101) is connected with the second antenna rectangular radiation patch (102), the outer conductor of SMA with it is public
Earth plate (301) connection.
3. a kind of periodic spatial wave resistance for micro-strip antenna array according to claim 1 keeps off decoupling arrangements, special
Sign is: the common ground plate (301), first antenna rectangular radiation patch (101) and the second antenna rectangular radiation patch
It (102) is 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 |
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| 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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| Publication Number | Publication Date |
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| CN107240770A CN107240770A (en) | 2017-10-10 |
| CN107240770B true CN107240770B (en) | 2019-11-26 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10771123B2 (en) * | 2017-02-01 | 2020-09-08 | Yiming Huo | Distributed phased arrays based MIMO (DPA-MIMO) 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 |
| CN109494460B (en) * | 2018-10-31 | 2020-11-06 | 重庆大学 | Dual-polarization/circularly-polarized broadband high-density antenna array with high isolation |
| CN111162378B (en) * | 2019-12-26 | 2022-03-18 | 东南大学 | Microstrip antenna |
| 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 |
| CN111987458B (en) * | 2020-07-30 | 2021-09-28 | 南京理工大学 | Decoupling structure between adjacent rectangular patches in dual-frequency antenna array |
| CN112164891B (en) * | 2020-08-31 | 2023-05-23 | 西安朗普达通信科技有限公司 | Cancellation decoupling chip |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996963A (en) * | 2009-08-06 | 2011-03-30 | 国际商业机器公司 | Heatsink with periodically patterned baseplate structure |
| CN105006650A (en) * | 2015-07-30 | 2015-10-28 | 中天宽带技术有限公司 | Dual-polarization base station antenna based on photonic crystals |
| CN106207453A (en) * | 2016-06-28 | 2016-12-07 | 哈尔滨工程大学 | A kind of defect ground decoupling arrangements for micro-strip array antenna |
-
2017
- 2017-05-10 CN CN201710324846.4A patent/CN107240770B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996963A (en) * | 2009-08-06 | 2011-03-30 | 国际商业机器公司 | Heatsink with periodically patterned baseplate structure |
| CN105006650A (en) * | 2015-07-30 | 2015-10-28 | 中天宽带技术有限公司 | Dual-polarization base station antenna based on photonic crystals |
| CN106207453A (en) * | 2016-06-28 | 2016-12-07 | 哈尔滨工程大学 | A kind of defect ground decoupling arrangements for micro-strip array antenna |
Non-Patent Citations (3)
| Title |
|---|
| Enhanced Isolation of a Closely Spaced Four-Element MIMO Antenna System Using Metamaterial Mushroom;Guohua Zhai等;《IEEE Transactions on Antennas and Propagation》;20150518;全文 * |
| Mutual coupling reduction between two microstrip patch antennas;Abbas Ali Lotfi Neyestanak等;《2008 Canadian Conference on Electrical and Computer Engineering》;20080705;全文 * |
| Transmit–Receive Isolation Improvement of Antenna Arrays by Using EBG Structures;Lei Qiu等;《IEEE Antennas and Wireless Propagation Letters》;20120111;全文 * |
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