CN107634337A - Patch array antenna based on pressure release surface structure - Google Patents
Patch array antenna based on pressure release surface structure Download PDFInfo
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- CN107634337A CN107634337A CN201710720024.8A CN201710720024A CN107634337A CN 107634337 A CN107634337 A CN 107634337A CN 201710720024 A CN201710720024 A CN 201710720024A CN 107634337 A CN107634337 A CN 107634337A
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Abstract
The present invention proposes a kind of patch array antenna based on pressure release surface structure, it is intended to while keeping patch array antenna high-gain, realizes miniaturization；Including five blocks of dielectric-slabs being laminated from top to bottom, the first composite metal belt is printed on first medium plate, the second composite metal belt and m × n upper strata radiating element are printed on second medium plate, upper strata radiating element is made up of 2 × 2 upper strata radiation patch, m × n the first plated-through holes are set on the 3rd dielectric-slab, print triplex metal tape and m × n lower floor's radiating element in the dielectric-slab upper surface, lower floor's radiating element is made up of 2 × 2 lower floor's radiation patch and primary radiation paster, inner ground plate is printed in the dielectric-slab lower surface, etches m × n feed via thereon；First, second, and third composite metal belt, form pressure release surface structure；M × n the second plated-through holes, the 5th dielectric-slab lower surface printing external ground plate, upper surface printing feeding network are set on the 4th dielectric-slab.
Description
Technical field
The invention belongs to antenna technical field, is related to a kind of patch array antenna, and in particular to one kind is based on pressure release surface knot
The patch array antenna of structure, available for wireless communication fields such as car-mounted devices.
Background technology
With the fast development of modern wireless communication systems worldwide, to the performance requirement more and more higher of antenna,
Such as high directivity, high gain, wave beam are narrow, small volume.Individual antenna is typically unable to reach requirement, it is therefore desirable to sets up array day
Line.Array antenna is a kind of antenna form common in modern radar and communication system.In array antenna design, gain, chi
Very little is important performance indications.Antenna size is bigger, then antenna gain is higher, but the space of required installation antenna is bigger.Cause
This reduces the difficult point that array antenna size is array antenna design how while array antenna high-gain is kept.
Micro-strip paster antenna is simple in construction, and principle is ripe, and its planar structure makes its design on sandwich construction very clever
It is living, by setting multiple-layered patches to realize the characteristics such as broadband, multiband and high-gain, therefore using micro-strip paster antenna as battle array
Member, which carries out array antenna design, can realize the high-gain and Miniaturization Design of array antenna.Prior art is how parasitic by setting
Unit is encouraged to realize that the high-gain of array antenna designs with suppression surface wave.Array day is realized by setting parasitic element
The high-gain design of line, when the parasitic element of design meets certain condition, electromagnetic wave is on radiation patch, parasitic element and ground
After multiple radiation and reflection are undergone between face, it is overlapped mutually in a desired direction.Now, increased parasitic element, which plays, draws
Effect to device, guide electromagnetic waves directed radiation, effectively increases antenna gain.Battle array is realized by suppressing the excitation of surface wave
The high-gain design of array antenna, concrete mode have using artificial cycle structure, set using pressure release surface structure and in the dielectric layer
It is empty chamber.Wherein, artificial cycle structure need to take large area dielectric layer formed complete bandgap structure reduce it is mutual between antenna
Coupling acts on, therefore complicated, improves difficulty of processing and processing cost；Cavity is set to reduce medium in the dielectric layer
Effective dielectric constant, antenna gain is lifted, but module is frangible after setting the dielectric-slab processing of cavity, it is difficult to test and application；
It is simple in construction and pressure release surface physical dimension is smaller, the chi without dramatically increasing array antenna between antenna element can be arranged on
It is very little, be advantageous to Miniaturization Design.For example, 2017, IEEE Transactions on Antennas and Propagation
Huayan Jin et al. entitled " 60-GHz LTCC Differential-Fed Patch Antenna Array are published
In With High Gain by Using Soft-Surface Structures " article, disclose one kind and be based on pressure release surface
The patch array antenna of structure, coaxial feed is carried out to paster antenna using differential feed network, set above paster antenna
Parasitic patch, while symmetrical rectangular metal tape is set in antenna element both sides, for suppressing surface wave and lifting array antenna
Gain, array antenna size is the λ of the λ of 2.88 λ × 3 × 0.36, and wherein λ is air medium wavelength, and its gain of array antenna reaches
19.2dBi, but this monosymmetric pressure release surface physical dimension is excessive, causes patch array antenna oversized, Wu Faman
Sufficient small form factor requirements.
The content of the invention
The defects of it is an object of the invention to overcome above-mentioned prior art to exist, it is proposed that a kind of based on pressure release surface structure
Patch array antenna, it is intended to while keeping patch array antenna high-gain, realize miniaturization.
To achieve the above object, the technical scheme taken of the present invention is：
A kind of patch array antenna based on pressure release surface structure, including stack gradually from top to bottom first medium plate 1,
Second medium plate 2, the 3rd dielectric-slab 3, the 4th dielectric-slab 4 and the 5th dielectric-slab 5, the lower surface of the 3rd dielectric-slab 3 are printed with
Inner ground plate 6, m × n feed via 61, the lower surface printing of the 5th dielectric-slab 5 are etched with the inner ground plate 6
There is external ground plate 7, upper surface is printed with feeding network 8, wherein, m >=2, n >=2；The upper surface print of the first medium plate 1
It is formed with the first composite metal belt 11；The upper surface of second medium plate 2 is printed with the second composite metal belt 12 and m × n upper strata
Radiating element 9, the upper strata radiating element 9 are made up of 2 × 2 upper strata radiation patch 91；M is provided with 3rd dielectric-slab 3
× n the first plated-through holes 31, the upper surface of the dielectric-slab are printed with triplex metal tape 13 and m × n lower floor's radiation
Unit 10, wherein lower floor's radiating element 10 are by 2 × 2 lower floor's radiation patch 102 and positioned at 2 × 2 lower floor's radiation patch 102
Primary radiation paster 101 at center forms；First composite metal belt 11, the second composite metal belt 12 and triplex metal
Band 13, pressure release surface structure is formed, for short-circuit surface wave electric current, suppresses the propagation of surface wave；Set on 4th dielectric-slab 4
There are m × n the second plated-through holes 41；The feeding network 8 passes through the second plated-through hole 41 and the first plated-through hole 31
Primary radiation paster 101 is fed.
The above-mentioned patch array antenna based on pressure release surface structure, first composite metal belt 11, the second composite metal belt
12 and triplex metal tape 13, it is equidistant by horizontal a rectangular metal band and n-1 bars positioned at place dielectric-slab edge
Longitudinal rectangle metal tape composition, and the central point consistency from top to bottom of three composite metal belts.
The above-mentioned patch array antenna based on pressure release surface structure, the upper strata radiation patch 91, primary radiation paster 101 and under
Layer radiation patch 102, its shape is square.
The above-mentioned patch array antenna based on pressure release surface structure, 2 × 2 upper strata radiation patch 91, its array geometry
Center and the central point consistency from top to bottom of primary radiation paster 101.
The above-mentioned patch array antenna based on pressure release surface structure, the 4th dielectric-slab 4 and the 5th dielectric-slab 5, divides thereon
M × n plated-through hole array 14 is not provided with, and the array is the rectangular configuration of openings at one side, for reducing feeding network 8
Insertion loss.
The above-mentioned patch array antenna based on pressure release surface structure, the plated-through hole array 14, its center was with feeding
The central point consistency from top to bottom in hole 61, the first plated-through hole 31 and the second plated-through hole 41.
The present invention compared with prior art, has advantages below：
It is (1) of the invention because the upper surface of the three blocks of dielectric-slabs stacked gradually from top to bottom is provided with composite metal belt,
Form pressure release surface structure, by the composite metal belt collective effect of three reduced sizes, can short-circuit surface wave electric current, suppress surface
The propagation of ripple, the mutual coupling between primary radiation paster is reduced, compared with the symmetrical pressure release surface structure in both sides that prior art uses,
The effective volume for reducing array antenna, realize the Miniaturization Design of array antenna.
(2) 2 × 2 of 2 × 2 upper strata radiation patch and periphery setting of the invention by being set above primary radiation paster
Lower floor's radiation patch, electromagnetic wave caused by primary radiation paster is guided to carry out multiple radiation and reflection, in antenna main radiation direction
On be overlapped mutually, compared with prior art sets parasitic patch above radiation patch, similar high gain characteristics can be obtained.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the top view of second medium plate of the present invention；
Fig. 3 is the top view of lower floor's radiating element of the present invention and feed via；
Fig. 4 is the top view of feeding network of the embodiment of the present invention；
Fig. 5 is the top view of the dielectric-slab of the embodiment of the present invention the 4th；
Fig. 6 is analogous diagram of the centre frequency with reflectance factor S11 of the present invention；
Fig. 7 is E-plane and H-plane pattern of the present invention at centre frequency.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Reference picture 1, a kind of patch array antenna based on pressure release surface structure, including first stacked gradually from top to bottom are situated between
Scutum 1, second medium plate 2, the 3rd dielectric-slab 3, the 4th dielectric-slab 4 and the 5th dielectric-slab 5, the thickness of the first medium plate are
0.576mm, the thickness of the second medium plate are 0.096mm, and the thickness of the 3rd dielectric-slab is 0.192mm, the described 4th
The thickness of dielectric-slab is 0.192mm, and the thickness of the 5th dielectric-slab is 0.192mm, the lower surface print of the 3rd dielectric-slab 3
Inner ground plate 6 is formed with, 2 × 2 feed vias 61, the lower surface of the 5th dielectric-slab 5 are etched with the inner ground plate 6
External ground plate 7 is printed with, upper surface is printed with feeding network 8；It is compound that the upper surface of the first medium plate 1 is printed with first
Metal tape 11；The upper surface of second medium plate 2 is printed with the second composite metal belt 12 and 2 × 2 upper strata radiating elements 9, should
Upper strata radiating element 9 is made up of 2 × 2 upper strata radiation patch 91, and the second medium plate 2 is as shown in Figure 2；3rd medium
Be provided with 2 × 2 the first plated-through holes 31 on plate 3, the upper surface of the dielectric-slab be printed with triplex metal tape 13 and 2 ×
2 lower floor's radiating elements 10, wherein lower floor's radiating element 10 are by 2 × 2 lower floor's radiation patch 102 and positioned at 2 × 2 lower floors
Primary radiation paster 101 at the center of radiation patch 102 forms, and the wherein horizontal spacing of primary radiation paster 101 is 6.4mm, between longitudinal direction
Away from for 7.5mm, lower floor's radiating element 10 is as shown in figure 3, upper strata radiation patch 91 and lower floor's radiation patch 102 are used as main spoke
The parasitic patch of paster 101 is penetrated, electromagnetic wave caused by guiding primary radiation paster 101 carries out multiple radiation and reflection, in antenna
It is overlapped mutually in main radiation direction, effectively increases antenna gain；First composite metal belt 11, the second composite metal belt 12
With triplex metal tape 13, pressure release surface structure is formed, for short-circuit surface wave electric current, suppresses the propagation of surface wave, reduces master
Mutual coupling between radiation patch 101, the gain of patch array antenna is lifted, due to three composite metal belt collective effects,
Therefore each composite metal belt size can be smaller, is advantageous to the Miniaturization Design of patch array antenna；4th dielectric-slab 4
On be provided with 2 × 2 the second plated-through holes 41；The feeding network 8 passes through the second plated-through hole 41 and the first metallization
Through hole 31 is fed to primary radiation paster 101.
Reference picture 2, it is shaped as square to the upper strata radiation patch 91, and its length is L1=1.35mm, distance arrays
The distance of geometric center is L2=1.1mm, and in the geometric center of 2 × 2 upper strata radiation patch 91 and primary radiation paster 101
Heart point consistency from top to bottom.Longitudinal rectangle metal tape of second composite metal belt 12 is located at longitudinal middle of upper strata radiating element 9,
Its size is W1=0.2mm, L3=17.3mm, L4=16.4mm.
Reference picture 3, lower floor's radiation patch 102 and primary radiation paster 101 are square, and its size is L5=
1.25mm, L6=1.27mm, L7=0.965mm, the feed radius of via 61 is 0.15mm.The center of primary radiation paster 101
Point is L8=0.52mm with the circle center distance for feeding via 61.The primary radiation paster 101 not with the weight of lower floor radiation patch 102
It is folded.
Reference picture 4, the feeding network are symmetrical structure, are made up of strip line and 3 power splitters, for each main spoke
Penetrate paster 101 and carry out equal amplitude feed, its size is L9=1.08mm, L10=4.445mm, L11=1.06mm, L12=
2.005mm, L13=7.65mm, W2=0.19mm, W3=0.08mm.The wherein quarter-wave impedance transducer of power splitter
Length be L11=1.06mm, width W2=0.19mm.
Reference picture 5,2 × 2 plated-through hole arrays 14 and 2 × 2 the second metals are provided with the 4th dielectric-slab 4
Change through hole 41.Plated-through hole array 14 is the rectangular configuration of openings at one side, and its size is L14=0.8mm, W4=0.8mm, is led to
Pitch of holes is 0.2mm, for reducing the insertion loss of feeding network 8, is reduced because strip line to coaxial line transition structure does not connect
It is lost caused by continuous.
Upper strata radiating element 9, lower floor's radiating element 10, inner ground plate 6, external ground plate 7 and feeding network 8 use
Silver metallic film printing；First medium layer 1, second dielectric layer 2, the 3rd dielectric layer 3, the 4th dielectric layer 4 and the 5th dielectric layer 5
Dielectric constant is used as 7.8, Dielectric loss tangent is made up of 0.0015 DuPont951 low-temperature co-burning ceramic materials；First
The radius of the plated-through hole 41 of plated-through hole 31 and second is 0.04mm, and the through hole radius of plated-through hole array 14 is
0.05mm；First plated-through hole 31, the second plated-through hole 41, plated-through hole array 14 are by filling silver in hole
Metal material is formed.
Below in conjunction with emulation experiment, the technique effect of the present invention is described further：
1st, simulated conditions and content
Using three-dimensional full-wave electromagnetic field simulation software HFSS_17.1 to centre frequency and the reflectance factor S11 of the present invention and
Radiation direction at centre frequency is emulated, and its result is as shown in Figure 6 and Figure 7.
2nd, analysis of simulation result
Reference picture 6, the resonance point of the embodiment of the present invention is about 31GHz, and reflectance factor S11 is about -32dB, in 30.2GHz
Reflectance factor in~32.2GHz frequency ranges is less than -10dB, and bandwidth is about 6.5%.Simulation result illustrates that the present invention has
Larger bandwidth.
Reference picture 7 (a) and Fig. 7 (b), respectively E-plane and H-plane pattern of the embodiment of the present invention at centre frequency.Can
To find out, it is respectively 14.6dBi and 13.5dBi to whether there is the peak gain of pressure release surface structure.Simulation result illustrates that designed is soft
Surface texture has larger gain to be lifted the present invention.
As can be seen here, the present invention proposes a kind of patch array antenna based on pressure release surface structure, according to array antenna
Correlation theory, when antenna radiation unit number is extended into 4 × 4, the gain of array antenna is about 19.5dBi, array antenna entirety chi
The λ of the very little about λ of 3.2 λ × 2.9 × 0.1248, wherein λ be air medium wavelength, compared with prior art, is keeping the high increasing of array antenna
While beneficial, the miniaturization of array antenna is realized.
Above description is only example of the present invention, does not form any limitation of the invention.It should be understood that
It is, for professional and technical personnel in the field, after the principle of the present invention is understood, according to the above description to form, details and ginseng
Number etc. is improved or converted, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (6)
1. a kind of patch array antenna based on pressure release surface structure, including stack gradually from top to bottom first medium plate (1),
Second medium plate (2), the 3rd dielectric-slab (3), the 4th dielectric-slab (4) and the 5th dielectric-slab (5), under the 3rd dielectric-slab (3)
Surface is printed with inner ground plate (6), and m × n feed via (61) is etched with the inner ground plate (6), and the described 5th is situated between
The lower surface of scutum (5) is printed with external ground plate (7), and upper surface is printed with feeding network (8), wherein, m >=2, n >=2；Its
It is characterised by, the upper surface of the first medium plate (1) is printed with the first composite metal belt (11)；The second medium plate (2)
Upper surface is printed with the second composite metal belt (12) and m × n upper strata radiating element (9), and the upper strata radiating element (9) is by 2 × 2
Individual upper strata radiation patch (91) composition；M × n the first plated-through holes (31), Jie are provided with 3rd dielectric-slab (3)
The upper surface of scutum is printed with triplex metal tape (13) and m × n lower floor's radiating element (10), wherein lower floor's radiating element
(10) primary radiation by 2 × 2 lower floor's radiation patch (102) and positioned at 2 × 2 lower floor's radiation patch (102) centers is pasted
Piece (101) forms；First composite metal belt (11), the second composite metal belt (12) and triplex metal tape (13), structure
Into pressure release surface structure, for short-circuit surface wave electric current, suppress the propagation of surface wave；Be provided with 4th dielectric-slab (4) m ×
N the second plated-through holes (41)；The feeding network (8) passes through the second plated-through hole (41) and the first plated-through hole
(31) primary radiation paster (101) is fed.
2. the patch array antenna according to claim 1 based on pressure release surface structure, it is characterised in that described first is compound
Metal tape (11), the second composite metal belt (12) and triplex metal tape (13), it is located at place dielectric-slab edge by one
Horizontal rectangular metal band and n-1 bars equidistantly longitudinal rectangle metal tape composition, and on the central point of three composite metal belts
Lower alignment.
3. the patch array antenna according to claim 1 based on pressure release surface structure, it is characterised in that the upper strata radiation
Paster (91), primary radiation paster (101) and lower floor's radiation patch (102), its shape are square.
4. the patch array antenna according to claim 1 based on pressure release surface structure, it is characterised in that on described 2 × 2
Layer radiation patch (91), its array geometry center and the central point consistency from top to bottom of primary radiation paster (101).
5. the patch array antenna according to claim 1 based on pressure release surface structure, it is characterised in that the 4th medium
Plate (4) and the 5th dielectric-slab (5), are respectively arranged with m × n plated-through hole array (14) thereon, and the array is openings at one side
Rectangular configuration, for reducing the insertion loss of feeding network (8).
6. the patch array antenna according to claim 5 based on pressure release surface structure, it is characterised in that the metallization is logical
Hole array (14), its center and the center of feed via (61), the first plated-through hole (31) and the second plated-through hole (41)
Point consistency from top to bottom.
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| CN201710720024.8A CN107634337B (en) | 2017-08-21 | 2017-08-21 | Patch array antenna based on soft surface structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149108A (en) * | 2018-09-05 | 2019-01-04 | 武汉虹信通信技术有限责任公司 | A kind of isolator and mimo antenna |
| CN110167245A (en) * | 2019-05-24 | 2019-08-23 | 南京邮电大学 | A kind of plasma density measurement sensor based on LTCC antenna |
| CN110828973A (en) * | 2019-11-05 | 2020-02-21 | 清华大学 | Broadband 5G mobile terminal antenna separated from frame and having low profile |
| WO2020180855A1 (en) * | 2019-03-04 | 2020-09-10 | Massachusetts Institute Of Technology | Octave band stacked microstrip patch phased array antenna |
| CN112189280A (en) * | 2019-01-22 | 2021-01-05 | 株式会社村田制作所 | Antenna module and communication device |
| CN112448139A (en) * | 2019-08-30 | 2021-03-05 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| WO2023001031A1 (en) * | 2021-07-23 | 2023-01-26 | 华为技术有限公司 | Antenna unit, wireless transceiver, and electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010028182A (en) * | 2008-07-15 | 2010-02-04 | Harada Ind Co Ltd | Antenna apparatus capable of suppressing inter-coupling among antenna elements |
| CN104201480A (en) * | 2014-07-16 | 2014-12-10 | 电子科技大学 | Novel LTCC laminate circular polarization microstrip antenna |
| CN104269643A (en) * | 2014-09-17 | 2015-01-07 | 电子科技大学 | Electromagnetic soft surface structure and construction method thereof |
-
2017
- 2017-08-21 CN CN201710720024.8A patent/CN107634337B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010028182A (en) * | 2008-07-15 | 2010-02-04 | Harada Ind Co Ltd | Antenna apparatus capable of suppressing inter-coupling among antenna elements |
| CN104201480A (en) * | 2014-07-16 | 2014-12-10 | 电子科技大学 | Novel LTCC laminate circular polarization microstrip antenna |
| CN104269643A (en) * | 2014-09-17 | 2015-01-07 | 电子科技大学 | Electromagnetic soft surface structure and construction method thereof |
Non-Patent Citations (3)
| Title |
|---|
| LEI WANG 等: "Wideband High-Gain 60-GHz LTCC L-Probe Patch Antenna Array With a Soft Surface", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
| 全琪琪等: "一种提高带状线缝隙耦合馈电增益的方法", 《微波学报》 * |
| 黄星星: "人工电磁软硬表面结构设计以及应用研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149108A (en) * | 2018-09-05 | 2019-01-04 | 武汉虹信通信技术有限责任公司 | A kind of isolator and mimo antenna |
| CN112189280A (en) * | 2019-01-22 | 2021-01-05 | 株式会社村田制作所 | Antenna module and communication device |
| CN112189280B (en) * | 2019-01-22 | 2021-06-04 | 株式会社村田制作所 | Antenna module and communication device |
| WO2020180855A1 (en) * | 2019-03-04 | 2020-09-10 | Massachusetts Institute Of Technology | Octave band stacked microstrip patch phased array antenna |
| US11239569B2 (en) | 2019-03-04 | 2022-02-01 | Massachusetts Institute Of Technology | Octave band stacked microstrip patch phased array antenna |
| CN110167245A (en) * | 2019-05-24 | 2019-08-23 | 南京邮电大学 | A kind of plasma density measurement sensor based on LTCC antenna |
| CN110167245B (en) * | 2019-05-24 | 2021-07-20 | 南京邮电大学 | Plasma density measurement sensor based on LTCC antenna |
| CN112448139A (en) * | 2019-08-30 | 2021-03-05 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN112448139B (en) * | 2019-08-30 | 2023-12-22 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN110828973A (en) * | 2019-11-05 | 2020-02-21 | 清华大学 | Broadband 5G mobile terminal antenna separated from frame and having low profile |
| WO2023001031A1 (en) * | 2021-07-23 | 2023-01-26 | 华为技术有限公司 | Antenna unit, wireless transceiver, and electronic device |
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