CN106099342A - A kind of Meta Materials coating double frequency phased-array antenna - Google Patents
A kind of Meta Materials coating double frequency phased-array antenna Download PDFInfo
- Publication number
- CN106099342A CN106099342A CN201610518812.4A CN201610518812A CN106099342A CN 106099342 A CN106099342 A CN 106099342A CN 201610518812 A CN201610518812 A CN 201610518812A CN 106099342 A CN106099342 A CN 106099342A
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- Prior art keywords
- antenna
- rectangle
- meta materials
- double frequency
- mushroom
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- 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
-
- 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
Abstract
The open a kind of Meta Materials coating double frequency phased-array antenna of the present invention, including coat structure and aerial array, coat structure is made up of the mushroom-shaped coating of rectangle of M × N number of periodic arrangement, aerial array is made up of the slot-coupled antenna of periodic arrangement, the number of the number of slot-coupled antenna coating mushroom-shaped with rectangle is identical, and each slot-coupled antenna is positioned at below the vertical direction of the mushroom-shaped coating of each rectangle.The present invention solves traditional phased array antenna cannot realize higher gain and the problem that can not realize wide-angle scanning in two frequency ranges simultaneously, antenna can realize multiband work, high frequency sweep is compensated by low frequency, scanning angle is greatly promoted, structuring the formation on direction almost without scan blind spot, it is adaptable to Multi-Function Antenna system.
Description
Technical field
The invention belongs to communication technical field, a kind of Meta Materials further relating to Electromagnetic Field and Microwave Technology field covers
Layer double frequency phased-array antenna.The present invention can be used for microwave band, and antenna can realize multiband work, low frequency to high frequency sweep
Compensating, scanning angle is greatly promoted, and is structuring the formation on direction almost without scan blind spot, it is adaptable to Multi-Function Antenna system.
Background technology
Multiband phased array antenna is increasingly being applied to communication neck with the advantage of its high-gain, preferable scan characteristic
Territory.Along with scientific and technical innovation progress, Modern wireless communication technology is able to fast development, and wireless communication system constantly updates expansion
Holding, it is growing to the demand of channel capacity, and R & D design goes out to cover the multiband antenna of multiple communication standard becomes inevitable
Trend.WLAN, as the important component part of wireless communication technology, plays increasing work in live and work
With, design and meet the dual-band antenna of WLAN there is practical significance.A kind of broadband based on electromagnetism Meta Materials is low
Profile antenna is suggested, and in the designs, utilizes the composite left-and-right-hand characteristic of mushroom-shaped EBG structure, is used as antenna
Coating.
Patent " double frequency intertexture phased array antenna " that Huawei Tech Co., Ltd applies at it (application number:
201380051897.4, publication number: 104685718A) in propose a kind of double frequency intertexture phased array antenna.This antenna can lead to
Cross in the feeder line of the antenna dipoles of groove on having and tuning stub and comprise extra bending to reduce crossed dipoles sky
The height of kind of thread elements.Cross dipole antenna element is shortened much in the case of not shortening feed line length by extra bending
20%.Intersect additionally, the match profiles being shaped as by the airfoil-shaped portion of balun feed dipole with antenna house can be reduced
The height of dipole antenna elements, so allows the more shallow antenna house of cross dipole antenna element fit the thinner sky of realization
Wire module.But, the weak point that this antenna structure yet suffers from is, cannot realize higher radiation in two frequency ranges simultaneously
Efficiency, and need to carry out mechanically actuated and could realize antenna and work in two frequency ranges.
Patent " double-frequency antenna unit " that Shenzhen Kuang-Chi Innovation Technology Co., Ltd. applies at it (application number:
201520080870.4, publication number: 204361263U) in propose a kind of double-frequency antenna unit.This device includes medium substrate
And it is positioned at the irradiation structure on a side surface of medium substrate, wherein, the first radiation branch and the junction point of the first radiation arm
As the first distributing point, the junction point of the second radiation branch and the second radiation arm as the second distributing point, the first radiation branch
End is relative with the end of the second radiation branch.This double-frequency antenna unit utilizes the design of irradiation structure to achieve two work frequencies
Rate, can reduce antenna size further and improve antenna gain when using Metamaterial dielectric substrate.But, this sky
The weak point that line structure yet suffers from is, can not realize the wide-angle scanning of antenna while having higher antenna gain,
And beam scanning does not have seriality.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of Meta Materials coating double frequency phased array
Array antenna.
The concrete thought realizing the present invention is: formed coat structure by the mushroom-shaped coating of rectangle.Through the slit coupled antenna is sent out
The electromagnetic wave irradiation gone out is on coat structure, it is achieved that the dual band operation of Meta Materials coating double frequency phased-array antenna, passes through
Changing array antenna unit phase place and carry out angle of radiation scanning, electromagnetic wave achieves Meta Materials coating double frequency phase through coat structure
The wide-angel beam scanning of control array antenna.
For achieving the above object, technical scheme is as follows.
The present invention includes coat structure and aerial array, and coat structure is by the mushroom-shaped coating of rectangle of M × N number of periodic arrangement
Composition, aerial array is made up of the slot-coupled antenna of periodic arrangement, the number of slot-coupled antenna and the mushroom-shaped coating of rectangle
Number identical, each slot-coupled antenna is positioned at below the vertical direction of the mushroom-shaped coating of each rectangle.
The mushroom-shaped coating of rectangle includes rectangular metal paster, metallization via and upper layer medium substrate, rectangular metal paster
Having 12, and be close to the upper surface of upper layer medium substrate with the arrangement mode of 3 × 4, described metallization via has 12
Individual, lay respectively at the central axial place that rectangular metal paster is each, the upper end of metallization via is connected to rectangular metal paster
The center of lower surface.
Slot-coupled antenna includes floor, layer dielectric substrate and feed line, and floor is close to the upper of layer dielectric substrate
Surface, feed line is close to the lower surface of layer dielectric substrate.
The present invention compared with prior art has the advantage that
First, owing to the Meta Materials coating double frequency phased-array antenna of the present invention have employed slot-coupled antenna, and with cover
Rotating fields compact siro spinning technology, overcome prior art existence cannot realize lacking of higher radiation efficiency in two frequency ranges simultaneously
Point so that present invention achieves the low section of antenna, the characteristic of high-gain.
Second, owing to the Meta Materials coating double frequency phased-array antenna of the present invention have employed the mushroom-shaped coat structure of rectangle,
Achieving the dual band operation on the premise of not changing antenna structure, the needs overcoming prior art existence carry out machinery behaviour
Work could realize the shortcoming that antenna works in two frequency ranges so that present invention accomplishes radar and communication system for multi-functional
The demand of antenna system, expands the range of application of phased-array antenna.
3rd, owing to the Meta Materials coating double frequency phased-array antenna of the present invention have employed the mushroom-shaped coat structure of rectangle,
Violent through the low-frequency band scan angle change of the transmitted wave of coat structure, it is greatly improved aerial radiation beam scanning capabilities,
Overcome the wide-angle scanning that can not realize antenna while there is higher antenna gain that prior art exists, and wave beam is swept
Retouch and not there is successional shortcoming so that present invention achieves the wide-angel beam scanning of antenna.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the mushroom-shaped coating of rectangle of the present invention；
Fig. 3 is the structural representation of slot-coupled antenna of the present invention；
Fig. 4 is the present invention simulated radiation directional diagram when 2.7GHz and 5GHz；
Fig. 5 be the present invention when 2.7GHz and 5GHz directional diagram with the variation diagram of scanning angle.
Detailed description of the invention
The present invention is further detailed explanation with embodiment below in conjunction with the accompanying drawings.
Referring to the drawings 1, the antenna overall structure of the present invention is described in further detail.
The present invention includes coat structure 1 and aerial array 2；Coat structure 1 is mushroom-shaped by the rectangle of M × N number of periodic arrangement
Coating 3 forms, and aerial array 2 is made up of the slot-coupled antenna 7 of periodic arrangement, the number of slot-coupled antenna 7 and rectangle mushroom
The number of mushroom type coating 3 is identical, and each slot-coupled antenna 7 is positioned at below the vertical direction of the mushroom-shaped coating of each rectangle 3.
M in the mushroom-shaped coating of rectangle 3 of M × N number of periodic arrangement represents total line number of coat structure 1, and N represents that coating is tied
Total columns of structure 1, the value of M, N is integer, 1≤M≤50,1≤N≤50.
Referring to the drawings 2, the structure of the mushroom-shaped coating of rectangle 3 of the present invention is described in further detail.
The mushroom-shaped coating of rectangle 3 includes rectangular metal paster 4, metallization via 5 and upper layer medium substrate 6, rectangular metal
Paster 4 has 12, and is close to the upper surface of upper layer medium substrate 6 with the arrangement mode of 3 × 4, and metallization via 5 has 12
Individual, lay respectively at the central axial place that rectangular metal paster 4 is each, the upper end of metallization via 5 is connected to rectangular metal paster 4
The center of lower surface.
The length of rectangular metal paster 4 is between 8mm-10mm, and width is between 7mm-9mm, in arrangement mode
The spacing of adjacent two rectangular metal pasters 4 of often going is 0.5mm, adjacent two the rectangular metal pasters 4 of each column in arrangement mode
Spacing be 1mm.
The diameter of metallization via 5 between 0.4mm-1.2mm, its length and thickness selected by upper layer medium substrate 6
Spend equal.
Upper layer medium substrate 6 uses FR4 dielectric-slab, DIELECTRIC CONSTANT εr=4.4, be lost tan δ=0.01, thickness between
Between 2.5mm-3.5mm.
Referring to the drawings 3, the structure of the slot-coupled antenna 7 of the present invention is described in further detail.
Floor 8 middle etching one rectangular aperture, the length of rectangular aperture between 15mm-25mm, wide between
Between 1mm-2mm, this rectangular aperture and feed line 10 perpendicular quadrature.
Layer dielectric substrate 9 uses FR4 dielectric-slab, DIELECTRIC CONSTANT εr=4.4, be lost tan δ=0.01, thickness between
Between 0.6mm-1.8mm.
Feed line 10 uses coplanar wave guide feedback line.
When embodiments of the invention 1 illustrate not carry out angle scanning, antenna radiation gain in high and low two frequency ranges is special
Property, utilize the Meta Materials coating double frequency phased array sky that the mushroom-shaped coating of rectangle 3 and slot-coupled antenna 7 design 1 × 8
Line, integrates with coating portion respectively by antenna part, and the spacing of adjacent two antenna elements is 30mm, at slot-coupled
Opening a width on the floor 8 of antenna 7 and coplanar wave guide feedback line is the groove of 2mm, to reach impedance matching.
Referring to the drawings 4, Fig. 4 is the antenna simulated radiation directional diagram when operating frequency is respectively 2.7GHz and 5GHz, figure
Middle transverse axis represents radiation beam angle, and the longitudinal axis represents that antenna gain, square curve are operating frequency antennas when being low frequency 2.7GHz
Gain characteristic curve, circular curve is the operating frequency gain characteristic curve of antenna, its low frequency and high frequency when being high frequency 5GHz
Average peak gain be respectively 9.5dBi and 15.3dBi, antenna the 3dB beam angle of two frequency ranges respectively may be about 20 ° and
11.5 °, minor level, all at below-13dB, illustrates now Antenna Operation better performances.
When embodiments of the invention 2 explanation carries out angle scanning, antenna directional diagram in high and low two frequency ranges is with scanning
The change of angle, the Meta Materials coating double frequency phased-array antenna method for designing of embodiment 2 is consistent with embodiment 1, basis at this
On, carry out radiated wave angle scanning by the unit phase place adjusting aerial array.
Referring to the drawings 5, Fig. 5 be antenna when operating frequency is respectively 2.7GHz and 5GHz directional diagram with the change of scanning angle
Change figure, Fig. 5 (a) be low-frequency sweep angle be 10 °, the directional diagram of antenna when high frequency sweep angle is 5 °, Fig. 5 (b) is low-frequency sweep angle
Be 30 °, the directional diagram of antenna when high frequency sweep angle is 15 °, Fig. 5 (c) be low-frequency sweep angle be 60 °, when high frequency sweep angle is 25 °
The directional diagram of antenna, Fig. 5 (d) be low-frequency sweep angle be 90 °, the directional diagram of antenna when high frequency sweep angle is 35 °, transverse axis in each figure
Representing radiation beam angle, the longitudinal axis represents that antenna gain, square curve are operating frequencies when being low frequency 2.7GHz, the gain of antenna
Characteristic curve, circular curve is operating frequency when being high frequency 5GHz, the gain characteristic curve of antenna, its high frequency sweep angle change model
Enclosing less, low-frequency sweep angle excursion is relatively big, can realize low frequency and compensate high frequency sweep so that scanning angle is greatly promoted,
Structuring the formation on direction almost without scan blind spot.
Claims (8)
1. a Meta Materials coating double frequency phased-array antenna, including coat structure (1) and aerial array (2)；It is characterized in that,
Described coat structure (1) is made up of the mushroom-shaped coating of the rectangle (3) of M × N number of periodic arrangement；Described aerial array (2) by
Slot-coupled antenna (7) composition of periodic arrangement, the number of slot-coupled antenna (7) and the number of the mushroom-shaped coating of rectangle (3)
Identical, each slot-coupled antenna (7) is positioned at below the vertical direction of the mushroom-shaped coating of each rectangle (3)；Wherein:
The mushroom-shaped coating of described rectangle (3) includes rectangular metal paster (4), metallization via (5) and upper layer medium substrate
(6)；Described rectangular metal paster (4) has 12, and is close to the upper of upper layer medium substrate (6) with the arrangement mode of 3 × 4
Surface；Described metallization via (5) has 12, lays respectively at the central axial place that rectangular metal paster (4) is each, metal
The upper end of change via (5) is connected to the center of the lower surface of rectangular metal paster (4)；
Described slot-coupled antenna (7) includes floor (8), layer dielectric substrate (9) and feed line (10)；Described floor
(8) upper surface of layer dielectric substrate (9) it is close to；Described feed line (10) is close to the following table of layer dielectric substrate (9)
Face.
A kind of Meta Materials coating double frequency phased-array antenna the most according to claim 1, it is characterised in that described M × N number of
M in the mushroom-shaped coating of the rectangle (3) of periodic arrangement represents total line number of coat structure (1), and N represents the total of coat structure (1)
Columns, the value of M, N is integer, 1≤M≤50,1≤N≤50.
A kind of Meta Materials coating double frequency phased-array antenna the most according to claim 1, it is characterised in that described rectangle
The length of metal patch (4) is between 8mm-10mm, and width, between 7mm-9mm, often goes adjacent two in arrangement mode
The spacing of individual rectangular metal paster (4) is 0.5mm, the spacing of adjacent two the rectangular metal pasters (4) of each column in arrangement mode
For 1mm.
A kind of Meta Materials coating double frequency phased-array antenna the most according to claim 1, it is characterised in that described metal
The diameter of change via (5) is between 0.4mm-1.2mm, and its length is equal with the thickness selected by upper layer medium substrate (6).
A kind of Meta Materials coating double frequency phased-array antenna the most according to claim 1, it is characterised in that described upper strata
Medium substrate (6) uses FR4 dielectric-slab, DIELECTRIC CONSTANT εr=4.4, be lost tan δ=0.01, thickness between 2.5mm-3.5mm it
Between.
A kind of Meta Materials coating double frequency phased-array antenna the most according to claim 1, it is characterised in that described floor
(8) one rectangular aperture of middle etching, the length of rectangular aperture is between 15mm-25mm, wide between 1mm-2mm,
This rectangular aperture and feed line (10) perpendicular quadrature.
A kind of Meta Materials coating double frequency phased-array antenna the most according to claim 1, it is characterised in that described lower floor
Medium substrate (9) uses FR4 dielectric-slab, DIELECTRIC CONSTANT εr=4.4, be lost tan δ=0.01, thickness between 0.6mm-1.8mm it
Between.
A kind of Meta Materials coating double frequency phased-array antenna the most according to claim 1, it is characterised in that described feed
Line (10) uses coplanar wave guide feedback line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610518812.4A CN106099342A (en) | 2016-07-04 | 2016-07-04 | A kind of Meta Materials coating double frequency phased-array antenna |
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| CN201610518812.4A CN106099342A (en) | 2016-07-04 | 2016-07-04 | A kind of Meta Materials coating double frequency phased-array antenna |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106876982A (en) * | 2017-02-22 | 2017-06-20 | 西安电子科技大学 | Improve the super surface of multiaerial system performance and the multiaerial system using super surface |
| CN107093801A (en) * | 2017-05-02 | 2017-08-25 | 西安电子科技大学 | High-gain orbital angular momentum array antenna based on the super surface of individual layer electromagnetism |
| CN107134659A (en) * | 2017-05-02 | 2017-09-05 | 西安电子科技大学 | High-gain orbital angular momentum array antenna based on multilayer acoustical panel |
| CN107834212A (en) * | 2017-10-13 | 2018-03-23 | 南京理工大学 | High-gain high order cavity array antenna based on new super surface |
| WO2018111592A1 (en) * | 2016-12-14 | 2018-06-21 | Raytheon Company | Antenna element spacing for a dual frequency electronically scanned array and related techniques |
| CN109494461A (en) * | 2018-11-09 | 2019-03-19 | 玉林师范学院 | A kind of directional diagram reconstructable aerial based on super surface |
| CN109841965A (en) * | 2019-03-07 | 2019-06-04 | 华南理工大学 | A kind of super skin antenna of broadband multi-resonant low section of directed radiation |
| CN110112580A (en) * | 2019-05-10 | 2019-08-09 | 电子科技大学 | A kind of circular waveguide double frequency common reflector based on structure multiplexing |
| US10446942B2 (en) | 2016-12-14 | 2019-10-15 | Raytheon Company | Dual frequency electronically scanned array and related techniques |
| CN110718748A (en) * | 2019-10-22 | 2020-01-21 | 中国人民解放军国防科技大学 | Metamaterial unit for encoding metamaterial antenna |
| CN110970722A (en) * | 2019-12-20 | 2020-04-07 | 华进半导体封装先导技术研发中心有限公司 | Low-profile broadband patch antenna structure applied to 5G millimeter wave wireless communication |
| WO2020073329A1 (en) * | 2018-10-12 | 2020-04-16 | 华为技术有限公司 | Low-profile antenna-in-package |
| CN111600124A (en) * | 2020-05-12 | 2020-08-28 | 湖南国科锐承电子科技有限公司 | Low-profile ultra-wideband super-surface antenna |
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| US20210242574A1 (en) * | 2017-02-03 | 2021-08-05 | Commscope Technologies Llc | Small cell antennas suitable for mimo operation |
| CN114498001A (en) * | 2022-01-26 | 2022-05-13 | 华南理工大学 | Millimeter wave wide-angle scanning phased array antenna based on laminated super surface and communication equipment |
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| US10446942B2 (en) | 2016-12-14 | 2019-10-15 | Raytheon Company | Dual frequency electronically scanned array and related techniques |
| US10847880B2 (en) | 2016-12-14 | 2020-11-24 | Raytheon Company | Antenna element spacing for a dual frequency electronically scanned array and related techniques |
| WO2018111592A1 (en) * | 2016-12-14 | 2018-06-21 | Raytheon Company | Antenna element spacing for a dual frequency electronically scanned array and related techniques |
| US20210242574A1 (en) * | 2017-02-03 | 2021-08-05 | Commscope Technologies Llc | Small cell antennas suitable for mimo operation |
| CN106876982A (en) * | 2017-02-22 | 2017-06-20 | 西安电子科技大学 | Improve the super surface of multiaerial system performance and the multiaerial system using super surface |
| CN106876982B (en) * | 2017-02-22 | 2021-08-06 | 西安电子科技大学 | Supersurface for improving performance of multi-antenna system and multi-antenna system using same |
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| CN107834212A (en) * | 2017-10-13 | 2018-03-23 | 南京理工大学 | High-gain high order cavity array antenna based on new super surface |
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| CN109494461A (en) * | 2018-11-09 | 2019-03-19 | 玉林师范学院 | A kind of directional diagram reconstructable aerial based on super surface |
| CN109841965A (en) * | 2019-03-07 | 2019-06-04 | 华南理工大学 | A kind of super skin antenna of broadband multi-resonant low section of directed radiation |
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| CN112563761B (en) * | 2019-09-25 | 2022-07-22 | 上海华为技术有限公司 | Antenna device and signal processing method |
| CN112563761A (en) * | 2019-09-25 | 2021-03-26 | 上海华为技术有限公司 | Antenna device and signal processing method |
| CN110718748B (en) * | 2019-10-22 | 2021-01-29 | 中国人民解放军国防科技大学 | Metamaterial unit for encoding metamaterial antenna and equivalent circuit of feed structure of metamaterial unit |
| CN110718748A (en) * | 2019-10-22 | 2020-01-21 | 中国人民解放军国防科技大学 | Metamaterial unit for encoding metamaterial antenna |
| CN110970722A (en) * | 2019-12-20 | 2020-04-07 | 华进半导体封装先导技术研发中心有限公司 | Low-profile broadband patch antenna structure applied to 5G millimeter wave wireless communication |
| CN111600124A (en) * | 2020-05-12 | 2020-08-28 | 湖南国科锐承电子科技有限公司 | Low-profile ultra-wideband super-surface antenna |
| CN114498001A (en) * | 2022-01-26 | 2022-05-13 | 华南理工大学 | Millimeter wave wide-angle scanning phased array antenna based on laminated super surface and communication equipment |
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Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |