CN109687167A - Aerial array for X-band wireless communication system - Google Patents
Aerial array for X-band wireless communication system Download PDFInfo
- Publication number
- CN109687167A CN109687167A CN201811641991.6A CN201811641991A CN109687167A CN 109687167 A CN109687167 A CN 109687167A CN 201811641991 A CN201811641991 A CN 201811641991A CN 109687167 A CN109687167 A CN 109687167A
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- China
- Prior art keywords
- frequency
- dielectric
- antenna
- radiation patch
- slab
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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
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/242—Circumferential scanning
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/247—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention provides a kind of aerial arrays for X-band wireless communication system, comprising: multiple element antennas；The element antenna includes: upper layer radiation patch (1), lower layer's radiation patch (2), T-type power division network (3), frequency medium plate (4), frequency medium plate (5), dielectric-slab (6), earth plate (7), hardware (9), threaded hole (8), SMP radio-frequency joint (10)；The upper layer radiation patch (1) is set to frequency medium plate (4) upper surface.The present invention uses laminated type microstrip antenna, introduces resonance point by spurious radiation patch, broadens frequency bandwidth, realizes miniaturization using the medium substrate of high dielectric constant, width is less than half wavelength.Element antenna of the invention uses binary arrays constant amplitude in-phase stacking, effectively improves antenna gain, power splitter and antenna integrated design, advantageously ensures that machining accuracy, simplifies structure.
Description
Technical field
The present invention relates to microwave radio commus and antenna technical field, and in particular, to is used for X-band wireless communication system
Aerial array.
Background technique
As wireless telecom equipment is towards multi-functional, micromation, broadband, integrated and frequency upper shift direction is developed,
Due to microstrip antenna have it is small in size, it is light-weight, as research hotspot for many years the features such as low section, being easily integrated.
The radiation efficiency of microstrip antenna is high, but due to the resonance characteristic of its high Q, narrow-band characteristic significantly limits micro-strip day
The application of line.There are many approach at present to broaden bandwidth, such as select lower dielectric constant and thicker medium substrate, adopt
With aperture-coupled, the methods of change surface current and increase resonance frequency are slotted in radiation patch to improve microstrip antenna
Impedance bandwidth.
To meet the requirement for increasing user capacity and improving communication quality, channel radio is formed into using antenna array beam
The inexorable trend of letter system application.Compared with individual antenna, array antenna can form narrow beam, the figuration wave of specific shape
Beam, the directional diagram of low-sidelobe level and is used widely the advantages that realize beam scanning.Beam-forming technology is array
The key technology of antenna applications makes aerial array have beam scanning, the advantages such as extremely low minor lobe and multi-beam.
Circular ring shape syntype array can be realized 360 ° of wave covers, and can sweep to avoid machinery compared to linear array and face battle array
It is excessive to retouch weight, motional inertia is big, the slow defect of scanning speed, the space utilization rate of syntype carrier is improved, thus widely apply
In mobile radio communications system.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of microwave radio commus and antenna technology to lead
Domain.
A kind of aerial array for X-band wireless communication system provided according to the present invention, comprising:
Multiple element antennas；
The element antenna includes: upper layer radiation patch, lower layer's radiation patch, T-type power division network, frequency medium plate, penetrates
Frequency dielectric-slab, dielectric-slab, earth plate, hardware, threaded hole, SMP radio-frequency joint；
The upper layer radiation patch is set to frequency medium plate upper surface；
The frequency medium plate, frequency medium plate, dielectric-slab, earth plate and hardware are sequentially connected；
Dielectric-slab is welded on structural member upper surface using Reflow Soldering by tin cream；
T-type power division network is attached in lower layer's radiation patch；
Lower layer's radiation patch and T-type power division network are set between frequency medium plate and dielectric-slab；
SMP radio-frequency joint is set to the lower surface of structural member, sequentially pass through after earth plate, hardware and dielectric-slab with
T-type power division network is connected.
Preferably, the multiple element antenna is 28 element antennas.
Preferably, 28 element antennas are set in turn in 28 sides of positive 28 prism；
Element antenna is fixed on the side of positive 28 prism by threaded hole；
Distance between adjacent antenna element is half wavelength.
Preferably, the dielectric constant of the frequency medium plate and frequency medium plate is 2.2；
The dielectric constant of dielectric-slab is 6.15.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the present invention uses laminated type microstrip antenna, introduces resonance point by spurious radiation patch, broadens frequency bandwidth, make
Miniaturization is realized with the medium substrate of high dielectric constant, and width is less than half wavelength.
2, element antenna of the invention uses binary arrays constant amplitude in-phase stacking, effectively improves antenna gain, power splitter and day
Line integrated design advantageously ensures that machining accuracy, simplifies structure.
3, beam switchover of the invention and wave beam forming realize 360 ° of omnidirection coverings.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is element antenna schematic side view provided by the invention.
Fig. 2 is element antenna schematic top plan view provided by the invention.
Fig. 3 is array antenna structure schematic diagram provided by the invention.
Fig. 4 is element antenna standing-wave ratio simulation curve schematic diagram provided by the invention.
Fig. 5 is element antenna directional pattern simulation curve schematic diagram provided by the invention.
Fig. 6 is element antenna gain simulation curve schematic diagram provided by the invention.
Fig. 7 is array-antenna directivity figure simulation curve schematic diagram provided by the invention.
Fig. 8 is that antenna 3 provided by the invention of adding ties up directionality schematic diagram.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
A kind of aerial array for X-band wireless communication system provided according to the present invention, comprising:
Multiple element antennas；
The element antenna includes: upper layer radiation patch 1, lower layer's radiation patch 2, T-type power division network 3, frequency medium plate
4, frequency medium plate 5, dielectric-slab 6, earth plate 7, hardware 9, threaded hole 8, SMP radio-frequency joint 10；Further, described
T-type power division network 3 is 180 ° of phase shift T-type power division networks.
The upper layer radiation patch 1 is set to 4 upper surface of frequency medium plate；
The frequency medium plate 4, frequency medium plate 5, dielectric-slab 6, earth plate 7 and hardware 9 are sequentially connected；
Dielectric-slab 6 is welded on 9 upper surface of structural member using Reflow Soldering by tin cream；
T-type power division network 3 is attached in lower layer's radiation patch 2；
Lower layer's radiation patch 2 and T-type power division network 3 are set between frequency medium plate 5 and dielectric-slab 6；
SMP radio-frequency joint 10 is set to the lower surface of structural member 9, sequentially passes through earth plate 7, hardware 9 and medium
It is connected after plate 6 with T-type power division network 3.
Specifically, the multiple element antenna is 28 element antennas.
Specifically, 28 element antennas are set in turn in 28 sides of positive 28 prism；
Element antenna is fixed on the side of positive 28 prism by threaded hole 8；
Distance between adjacent antenna element is half wavelength.
Specifically, the dielectric constant of the frequency medium plate 4 and frequency medium plate 5 is 2.2；
The dielectric constant of dielectric-slab 6 is 6.15.
Below by preference, the present invention is more specifically illustrated:
Embodiment 1:
The present invention provides a kind of laminated type microstrip antenna in order to solve the above problem, introduces resonance by spurious radiation patch
Point broadens frequency bandwidth, realizes miniaturization using the medium substrate of high dielectric constant, width is less than half wavelength.Unit
Antenna improves gain in the form of binary submatrix, and feed port in patch heteropleural, is presented respectively by one-to-two T-type power division network
Electricity, the additional 180 ° of phase shifters realization binary arrays constant amplitude in-phase stacking of the one of branch of power division network, effectively improves antenna gain,
Power splitter and antenna integrated design advantageously ensure that machining accuracy, simplify structure.Aerial array is hoop antenna battle array, single
First number is 28, is placed in positive 28 prism side, and array-element antenna spacing is half wavelength.Aerial array selection 7
The work of a antenna element, array orientation scanning angle are ± 7 °, and system is completed by digit phase control, scanning range exceeds ±
Other 7 Antenna Operations are switched to after 7 °, system switches different antenna elements by switch arrays and completes sector scanning, in conjunction with
Beam switchover and wave beam forming realize 360 ° of omnidirection coverings.
As shown in Fig. 1, multi-layer microstrip antenna subarray configuration figure of the invention, including 1 upper layer radiation patch, dielectric constant
2.2 frequency medium plates 4,5, lower layer's radiation patch 2 add 180 ° of phase shift T-type power division networks 3, and dielectric constant is 6.15 dielectric-slabs
6, the inner conductor of earth plate 7, hardware 9, threaded hole 8, SMP radio-frequency joint 10 passes through dielectric-slab 6 and T-type power division network phase
Connection.
Dielectric-slab 6 is welded on 9 upper surface of structural member by tin cream, using Reflow Soldering, ensures antenna good earth, dielectric-slab
4,5,6 according to schematic diagram using epoxy resin solution smear uniformly after dry solidification.It is illustrated in figure 3 antenna array structure signal
Figure, is fixed on 28 prism side tables for antenna by stud 8.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (4)
1. a kind of aerial array for X-band wireless communication system characterized by comprising
Multiple element antennas；
The element antenna includes: upper layer radiation patch (1), lower layer's radiation patch (2), T-type power division network (3), frequency medium
Plate (4), frequency medium plate (5), dielectric-slab (6), earth plate (7), hardware (9), threaded hole (8), SMP radio-frequency joint
(10)；
The upper layer radiation patch (1) is set to frequency medium plate (4) upper surface；
The frequency medium plate (4), frequency medium plate (5), dielectric-slab (6), earth plate (7) and hardware (9) successively phase
Even；
Dielectric-slab (6) is welded on structural member (9) upper surface using Reflow Soldering by tin cream；
T-type power division network (3) are attached in lower layer's radiation patch (2)；
Lower layer's radiation patch (2) and T-type power division network (3) are set between frequency medium plate (5) and dielectric-slab (6)；
SMP radio-frequency joint (10) is set to the lower surface of structural member (9), sequentially pass through earth plate (7), hardware (9) and
Dielectric-slab (6) is connected with T-type power division network (3) afterwards.
2. the aerial array according to claim 1 for X-band wireless communication system, which is characterized in that the multiple
Element antenna is 28 element antennas.
3. the aerial array according to claim 2 for X-band wireless communication system, which is characterized in that described 28
Element antenna is set in turn in 28 sides of positive 28 prism；
Element antenna is fixed on the side of positive 28 prism by threaded hole (8)；
Distance between adjacent antenna element is half wavelength.
4. the aerial array according to claim 3 for X-band wireless communication system, which is characterized in that the radio frequency
The dielectric constant of dielectric-slab (4) and frequency medium plate (5) is 2.2；
The dielectric constant of dielectric-slab (6) is 6.15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641991.6A CN109687167A (en) | 2018-12-29 | 2018-12-29 | Aerial array for X-band wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641991.6A CN109687167A (en) | 2018-12-29 | 2018-12-29 | Aerial array for X-band wireless communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109687167A true CN109687167A (en) | 2019-04-26 |
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ID=66190337
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811641991.6A Pending CN109687167A (en) | 2018-12-29 | 2018-12-29 | Aerial array for X-band wireless communication system |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900537A (en) * | 2020-08-31 | 2020-11-06 | 浙江嘉科电子有限公司 | S-band low-sidelobe array antenna and design method thereof |
| CN112350055A (en) * | 2019-08-09 | 2021-02-09 | 上海航天测控通信研究所 | X-waveband shaped beam antenna |
| WO2023179128A1 (en) * | 2022-03-23 | 2023-09-28 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
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| CN201191649Y (en) * | 2008-03-31 | 2009-02-04 | 大连交通大学 | High-gain wide-band microstrip antenna array |
| CN106229649A (en) * | 2016-07-22 | 2016-12-14 | 电子科技大学 | A kind of compact conformal array array antenna of genome units based on LTCC technology |
| CN106972270A (en) * | 2016-01-14 | 2017-07-21 | 北京佰才邦技术有限公司 | Multi-beam perimeter array antenna and phase distribution system of selection |
| CN107425272A (en) * | 2017-07-18 | 2017-12-01 | 华南理工大学 | Filter antenna array |
| CN207217770U (en) * | 2017-07-18 | 2018-04-10 | 华南理工大学 | Filter antenna array |
| CN108172976A (en) * | 2017-11-23 | 2018-06-15 | 天津津航计算技术研究所 | The spaceborne phased array antenna of X-band |
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2018
- 2018-12-29 CN CN201811641991.6A patent/CN109687167A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201191649Y (en) * | 2008-03-31 | 2009-02-04 | 大连交通大学 | High-gain wide-band microstrip antenna array |
| CN106972270A (en) * | 2016-01-14 | 2017-07-21 | 北京佰才邦技术有限公司 | Multi-beam perimeter array antenna and phase distribution system of selection |
| CN106229649A (en) * | 2016-07-22 | 2016-12-14 | 电子科技大学 | A kind of compact conformal array array antenna of genome units based on LTCC technology |
| CN107425272A (en) * | 2017-07-18 | 2017-12-01 | 华南理工大学 | Filter antenna array |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350055A (en) * | 2019-08-09 | 2021-02-09 | 上海航天测控通信研究所 | X-waveband shaped beam antenna |
| CN112350055B (en) * | 2019-08-09 | 2022-07-22 | 上海航天测控通信研究所 | X-waveband shaped beam antenna |
| CN111900537A (en) * | 2020-08-31 | 2020-11-06 | 浙江嘉科电子有限公司 | S-band low-sidelobe array antenna and design method thereof |
| CN111900537B (en) * | 2020-08-31 | 2022-11-18 | 浙江嘉科电子有限公司 | S-band low-sidelobe array antenna and design method thereof |
| WO2023179128A1 (en) * | 2022-03-23 | 2023-09-28 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
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Application publication date: 20190426 |