CN110233340A - A kind of dual-band and dual-polarization 5G antenna loading the rectangular patch that cracks - Google Patents
A kind of dual-band and dual-polarization 5G antenna loading the rectangular patch that cracks Download PDFInfo
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- CN110233340A CN110233340A CN201910517431.8A CN201910517431A CN110233340A CN 110233340 A CN110233340 A CN 110233340A CN 201910517431 A CN201910517431 A CN 201910517431A CN 110233340 A CN110233340 A CN 110233340A
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- patch
- rectangular
- cracks
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- feed structure
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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
-
- 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
-
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of dual-band and dual-polarization 5G antenna for loading the rectangular patch that cracks, concrete scheme includes: upper layer medium substrate, feed structure, radiation patch, coaxial line, layer dielectric substrate, rectangular patch and the metal floor of cracking；The feed structure includes vertical polarization couple feed structure and horizontal polarization couple feed structure；The vertical polarization couple feed structure is printed on the upper surface of upper layer medium substrate；The vertical polarization couple feed structure successively includes trapezoidal patch I, conductor tape I and square pad I from top to bottom.Two-frequency operation is also achieved due to not only reducing patch size using load detail sector corner cut patch；The double frequency zero phase reflection of electromagnetic wave is realized by loading the rectangular patch that cracks, the impedance matching property of antenna is improved and reduces the height of antenna.The features such as antenna has size small simultaneously, low manufacture cost, is very suitable to the application of China 5G double frequency indoor distributed system.
Description
Technical field
The invention belongs to antenna technical fields, are related to a kind of dual-band and dual-polarization 5G antenna for loading the rectangular patch that cracks.
Background technique
To meet the following high speed wide-band communication demand, 5G system would operate in higher frequency, to obtain bigger bandwidth
With the higher transmission rate of realization.However as the raising of working frequency, the loss that electromagnetic wave penetrates wall increases, and leads to outdoor
It is more prominent that base station signal covers indoor limitation, it is therefore desirable to build indoor distributed system on a large scale.
Component part of the antenna as indoor distributed system, plays critically important effect in the entire system.Mobile logical
Antenna is equivalent to an energy converter in letter system, can by the high frequency modulated current in circuit and the electromagnetic wave energy in space into
Row mutually conversion, the quality of antenna index will directly affect the performance of entire communication system.But it is operable with China at present
The 5G indoor distributed system antenna of 3.45GHz and 4.9GHz frequency range is few and gain is low, is not suitable for practical application.
Cross dipole antenna is widely used in the Antenna Design of mobile communication since structure is simple, at low cost.Mesh
Before, cross dipole antenna can be by changing the shape of radiating element to realize two-frequency operation, but in order to realize unidirectional spoke
Metallic reflection plate must be added by penetrating, and the distance between metallic reflection plate and radiating element are quarter-wave odd-multiple, day
Line height is larger.If double frequency cross dipole antenna design work is when 3.45GHz and 4.9GHz, metallic reflection plate and spoke
The requirement of quarter-wave odd-multiple can not be met in the two frequencies simultaneously by penetrating the distance between unit, and high band performance will
Deteriorate.
Summary of the invention
According to problem of the existing technology, the invention discloses a kind of dual-band and dual-polarization 5G for loading the rectangular patch that cracks
Antenna, concrete scheme include: upper layer medium substrate, feed structure, radiation patch, coaxial line, layer dielectric substrate, rectangular crack
Patch and metal floor；
The feed structure includes vertical polarization couple feed structure and horizontal polarization couple feed structure；
The vertical polarization couple feed structure is printed on the upper surface of upper layer medium substrate；The vertical polarization coupling feedback
Electric structure successively includes trapezoidal patch I, conductor tape I and square pad I from top to bottom；
The horizontal polarization couple feed structure includes successively from left to right trapezoidal patch, rectangular connection sheet, metallized
Hole I, conductor tape II, metallization VIA, conductor tape and square pad；The trapezoidal patch, rectangular connection sheet, conductor
Tape and square pad are all printed on the upper surface of upper layer medium substrate；The conductor tape II is printed on upper layer medium substrate
Lower surface；The rectangular connection sheet is connected by metallization VIA I with conductor tape II；The conductor tape passes through metal
Change via hole to be also connected with conductor tape II；
The radiation patch is printed on the lower surface of upper layer medium substrate, including vertical polarization radiation patch and horizontal polarization
Radiation patch；
The vertical polarization radiation patch includes the load detail sector for loading detail sector corner cut patch I and cutting out circular hole
Corner cut patch I；The horizontal polarization radiation patch includes the load detail fan for loading detail sector corner cut patch and cutting out circular hole
Shape corner cut patch；
The load detail sector corner cut patch I includes rectangle detail, fan-shaped corner cut patch and the semicircle orifice cut out；It is described
The load detail sector corner cut patch I for cutting out circular hole includes rectangle detail, fan-shaped corner cut patch, the semicircle orifice cut out and cuts out
Round hole；
The horizontal polarization radiation patch is identical as the vertical polarization radiation patch structure；
The coaxial line includes coaxial line I and coaxial line；
The outer conductor of the coaxial line I is connected with the load minor matters sector corner cut patch I for cutting out circular hole, the coaxial line
The inner conductor of I passes through upper layer medium substrate and meets square pad I；The outer conductor of the coaxial line connects and cuts out the load branch of circular hole
It saves fan-shaped corner cut patch to be connected, the inner conductor of the coaxial line passes through upper layer medium substrate and connects square pad；
The rectangular patch that cracks is printed on the upper surface of layer dielectric substrate, including all complete phase of four structure snd size
The rectangular chip unit I that cracks together, the rectangular chip unit II that cracks, rectangular chip unit III and the rectangular patch list that cracks of cracking
Member；
There are two identical gap I and gap in each edge of the rectangular chip unit I that cracks；
The metal floor is printed on the lower surface of layer dielectric substrate.
Further, it is provided with semicircle orifice on the load detail sector corner cut patch for cutting out circular hole, wherein semicircle orifice
It can reduce patch size and two-frequency operation realized by rectangle detail.
Further, the rectangular patch that cracks improves the impedance matching property of antenna and reduces the height of antenna.
Further, electromagnetic wave is realized by being opened in gap I and gap on each side of the rectangular patch that cracks
The reflection of double frequency zero phase.
By adopting the above-described technical solution, a kind of dual-band and dual-polarization 5G for loading the rectangular patch that cracks provided by the invention
Antenna, the device realize 5G two-frequency operation by loading rectangle detail, realize electromagnetic wave by loading the rectangular patch that cracks
Double frequency zero phase reflection, improve the impedance matching property of antenna and reduce the height of antenna.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the top view for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks；
Fig. 2 is the side view for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks；
Fig. 3 is the feed structure top view for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks；
Fig. 4 is the radiation patch top view for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks；
Fig. 5 is the rectangular patch vertical view of cracking of four of the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks
Figure；
Fig. 6 is the reflectance magnitude curve for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks；
Fig. 7 is the isolation curve for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks；
Fig. 8 is the gain curve for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks；
Fig. 9 is that the present invention loads the dual-band and dual-polarization 5G antenna of the rectangular patch that cracks at low-frequency range center operating frequency
Directional pattern；
Figure 10 is that the present invention loads the dual-band and dual-polarization 5G antenna of the rectangular patch that cracks at high band center operating frequency
Directional pattern.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, with reference to the attached drawing in the embodiment of the present invention, to this
Technical solution in inventive embodiments carries out clear and complete description:
A kind of dual-band and dual-polarization 5G antenna loading the rectangular patch that cracks as Figure 1-Figure 5, on specific structure includes:
Layer medium substrate 1, feed structure 2, radiation patch 3, coaxial line 4, layer dielectric substrate 5, rectangular patch 6 and the metal floor of cracking
7。
The feed structure 2 includes vertical polarization couple feed structure 21 and horizontal polarization couple feed structure 22；It is described
Vertical polarization couple feed structure 21 is set to the upper surface of upper layer medium substrate 1.The vertical polarization couple feed structure 21
It from top to bottom successively include trapezoidal patch I211, conductor tape I212 and square pad I213.
The horizontal polarization couple feed structure 22 from left to right successively include trapezoidal patch 221, rectangular connection sheet 222,
Metallization VIA I223, conductor tape II224, metallization VIA 225, conductor tape 226 and square pad 227, the ladder
Shape patch 221, rectangular connection sheet 222, conductor tape 226 and square pad 227 are set to the upper table of upper layer medium substrate 1
Face, the conductor tape II224 are set to the lower surface of upper layer medium substrate 1；The rectangular connection sheet 222 was by metallizing
Hole I223 is connected with conductor tape II224；The conductor tape 226 passes through metallization VIA 225 and conductor tape II224 phase
Connection.
The radiation patch 3 is set to the lower surface of upper layer medium substrate 1, and the radiation patch 3 includes vertical polarization spoke
Penetrate patch 31 and horizontal polarization radiation patch 32；The vertical polarization radiation patch 31 includes load detail sector corner cut patch
The I311 and load detail sector corner cut patch I312 for cutting out circular hole；The horizontal polarization radiation patch 32 includes load detail fan
Shape corner cut patch 321 and the load detail sector corner cut patch 322 for cutting out circular hole.
The load detail sector corner cut patch I311 includes rectangle detail 3111, fan-shaped corner cut patch 3112 and cuts out
Semicircle orifice I 3113；The load detail sector corner cut patch I312 for cutting out circular hole includes rectangle detail 3121, fan-shaped corner cut
Patch 3122, the semicircle orifice 3123 cut out and the round hole cut out 3124；
The horizontal polarization radiation patch 32 is identical as 31 structure of vertical polarization radiation patch；
The coaxial line 4 includes coaxial line I41 and coaxial line 42；
The outer conductor of the coaxial line I41 is connected with the load minor matters sector corner cut patch I312 for cutting out circular hole, described
The inner conductor of coaxial line I41 passes through upper layer medium substrate 1 and is connected with the square pad I213；Outside the coaxial line 42
Conductor connects to be connected with the load minor matters sector corner cut patch 322 for cutting out circular hole, and the inner conductor of the coaxial line 42 passes through upper layer
Medium substrate 1 is connected with square pad 227.
The rectangular patch 6 that cracks is set to the upper surface of layer dielectric substrate 5, and the rectangular patch 6 that cracks includes four
The all identical rectangular chip unit I61 that cracks of a structure snd size, the rectangular chip unit II62 that cracks, the rectangular patch that cracks
Unit III63 and the rectangular chip unit 64 that cracks.
There are two identical gap I611 and gap 612 in each edge of the rectangular chip unit I61 that cracks；
Lower surface of the setting of metal floor 7 in layer dielectric substrate (5).
Further, the semicircle orifice of the load detail sector corner cut patch (322) for cutting out circular hole in the radiation patch 3
It can reduce patch size and two-frequency operation realized by rectangle detail.
Further, the rectangular patch that cracks (6) improves the impedance matching property of antenna and reduces the height of antenna
Degree.
Further, it is realized by the way that gap I (611) and gap (612) to be opened on each side of the rectangular patch that cracks
The double frequency zero phase reflection of electromagnetic wave.
Fig. 6 is the reflectance magnitude curve for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks.From Fig. 6
It can be seen that antenna matches well in 3.28GHz~3.88GHz and 4.7GHz~5.04GHz frequency range, | S11| and | S22
| it is respectively less than -14dB.
Fig. 7 is the isolation curve for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks.It can from Fig. 7
It arrives, the isolation between two kinds of polarization modes of low-frequency range is greater than 25dB, the isolation between two kinds of polarization modes of high band
Greater than 22.5dB.
Fig. 8 is the gain curve for the dual-band and dual-polarization 5G antenna that the present invention loads the rectangular patch that cracks.It can from Fig. 8
It arrives, the gain of high band and low-frequency range is respectively 8.5dBi and 8.8dBi.
Fig. 9 is that the present invention loads the dual-band and dual-polarization 5G antenna of the rectangular patch that cracks at low-frequency range center operating frequency
Directional pattern.It will be seen from figure 9 that the low-frequency range radiation characteristic of antenna is stablized, the cross polarization discrimination of greatest irradiation direction
Greater than 30dB.
Figure 10 is that the present invention loads the dual-band and dual-polarization 5G antenna of the rectangular patch that cracks at high band center operating frequency
Directional diagram.As seen from Figure 10, the high band radiation characteristic of antenna is stablized, the cross polarization discrimination of greatest irradiation direction
Greater than 20dB.
In conclusion the present invention loads the dual-band and dual-polarization 5G antenna of the rectangular patch that cracks, due to using load detail
Fan-shaped corner cut patch not only reduces patch size and also achieves two-frequency operation；Electromagnetism is realized by loading the rectangular patch that cracks
The double frequency zero phase of wave reflects, and improves the impedance matching property of antenna and reduces the height of antenna.The antenna has simultaneously
The features such as size is small, low manufacture cost is very suitable to the application of China 5G double frequency indoor distributed system.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (3)
1. a kind of dual-band and dual-polarization 5G antenna for loading the rectangular patch that cracks, characterized by comprising: upper layer medium substrate (1),
Feed structure (2), radiation patch (3), coaxial line (4), layer dielectric substrate (5), the rectangular patch that cracks (6) and metal floor
(7)；
The feed structure (2) includes vertical polarization couple feed structure (21) and horizontal polarization couple feed structure (22)；Institute
State the upper surface that vertical polarization couple feed structure (21) is set to upper layer medium substrate (1)；The vertical polarization couple feed
Structure (21) successively includes trapezoidal patch I (211), conductor tape I (212) and square pad I (213) from top to bottom；
The horizontal polarization couple feed structure (22) successively includes trapezoidal patch (221), rectangular connection sheet from left to right
(222), metallization VIA I (223), conductor tape II (224), metallization VIA (225), conductor tape (226) and square
Pad (227), the trapezoidal patch (221), rectangular connection sheet (222), conductor tape (226) and square pad (227) set
It is placed in the upper surface of upper layer medium substrate (1), the conductor tape II (224) is set to the lower surface of upper layer medium substrate (1)；
The rectangular connection sheet (222) is connected by metallization VIA I (223) with conductor tape II (224)；The conductor tape
(226) it is connected by metallization VIA (225) with conductor tape II (224)；
The radiation patch (3) is set to the lower surface of upper layer medium substrate (1), and the radiation patch (3) includes vertical polarization
Radiation patch (31) and horizontal polarization radiation patch (32)；The vertical polarization radiation patch (31) includes that load detail sector is cut
Butt chock I (311) and the load detail sector corner cut patch I (312) for cutting out circular hole；Horizontal polarization radiation patch (32) packet
It includes load detail sector corner cut patch (321) and cuts out the load detail sector corner cut patch (322) of circular hole；
The load detail sector corner cut patch I (311) includes rectangle detail (3111), fan-shaped corner cut patch (3112) and cuts out
Semicircle orifice I (3113)；The load detail sector corner cut patch I (312) for cutting out circular hole includes rectangle detail (3121), fan
Shape corner cut patch (3122), the semicircle orifice (3123) cut out and the round hole (3124) cut out；
The horizontal polarization radiation patch (32) is identical as vertical polarization radiation patch (31) structure；
The coaxial line (4) includes coaxial line I (41) and coaxial line (42)；
The outer conductor of the coaxial line I (41) is connected with the load minor matters sector corner cut patch I (312) for cutting out circular hole, described
The inner conductor of coaxial line I (41) passes through upper layer medium substrate (1) and is connected with the square pad I (213)；The coaxial line
(42) outer conductor connects to be connected with the load minor matters sector corner cut patch (322) for cutting out circular hole, the coaxial line (42) it is interior
Conductor passes through upper layer medium substrate (1) and is connected with square pad (227)；
The rectangular patch that cracks (6) is set to the upper surface of layer dielectric substrate (5), and the rectangular patch that cracks (6) includes
The all identical rectangular chip unit I (61) that cracks of four structure snd size, it the rectangular chip unit II (62) that cracks, rectangular opens
Stitch chip unit III (63) and the rectangular chip unit that cracks (64)；
There are two identical gap I (611) and gap (612) in each edge of rectangular (61) chip unit I of cracking；
Lower surface of metal floor (7) setting in layer dielectric substrate (5).
2. a kind of dual-band and dual-polarization 5G antenna for loading the rectangular patch that cracks according to claim 1, it is further characterized in that:
Semicircle orifice is provided on the load detail sector corner cut patch (322) for cutting out circular hole.
3. a kind of dual-band and dual-polarization 5G antenna for loading the rectangular patch that cracks according to claim 1, it is characterised in that: logical
It crosses on each side that gap I (611) and gap (612) are opened in the rectangular patch that cracks (6) and carries out zero phase of double frequency of electromagnetic wave
Position reflection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517431.8A CN110233340B (en) | 2019-06-14 | 2019-06-14 | Double-frequency dual-polarization 5G antenna loaded with square slotted patch |
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|---|---|---|---|
| CN201910517431.8A CN110233340B (en) | 2019-06-14 | 2019-06-14 | Double-frequency dual-polarization 5G antenna loaded with square slotted patch |
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| CN110233340B CN110233340B (en) | 2021-01-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641037A (en) * | 2020-06-11 | 2020-09-08 | 陕西烽火诺信科技有限公司 | Miniaturized dual-frequency omnidirectional high-power airborne antenna |
| CN112038780A (en) * | 2020-09-18 | 2020-12-04 | 上海无线电设备研究所 | Frequency reconfigurable antenna unit and antenna array based on sub-wavelength fractal metamaterial |
| CN113745837A (en) * | 2021-09-13 | 2021-12-03 | 重庆大学 | Omnidirectional, vertical polarization and electric small filtering antenna |
| CN117977175A (en) * | 2024-03-18 | 2024-05-03 | 南通大学 | Dual-frenquency decoupling zero paster antenna |
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| CN113745837A (en) * | 2021-09-13 | 2021-12-03 | 重庆大学 | Omnidirectional, vertical polarization and electric small filtering antenna |
| CN113745837B (en) * | 2021-09-13 | 2024-04-19 | 重庆大学 | Omnidirectional, vertical polarization and electric small filter antenna |
| CN117977175A (en) * | 2024-03-18 | 2024-05-03 | 南通大学 | Dual-frenquency decoupling zero paster antenna |
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