CN109301435A - Array antenna - Google Patents
Array antenna Download PDFInfo
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- CN109301435A CN109301435A CN201710610081.0A CN201710610081A CN109301435A CN 109301435 A CN109301435 A CN 109301435A CN 201710610081 A CN201710610081 A CN 201710610081A CN 109301435 A CN109301435 A CN 109301435A
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- radiating element
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- power splitter
- array antenna
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- 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
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/18—Reflecting surfaces; Equivalent structures comprising plurality of mutually inclined plane surfaces, e.g. corner reflector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/106—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using two or more intersecting plane surfaces, e.g. corner reflector antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
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- 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
- H01Q21/06—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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of array antenna, including reflecting plate and multiple radiating elements, the multiple radiating element is fixed on the reflecting plate, the radiating element includes pedestal and is used to form single polarization or dual-polarized radiator, and the radiator includes the radiation arm for being fixed on the support column on pedestal and being fixed on the support column.The present invention improves the structure of reflecting plate, in the case where size constancy, antenna horizontal radiation pattern can be optimized, increase radiation current path, effectively optimization aerial array valve is wide and front and back ratio, the gain of antenna is effectively increased, and the structure of radiating element is optimized, frequency coverage is wide, 1710-2690MHz frequency range can effectively be covered, while broadening working band, it is reduced in size, reduces costs.
Description
Technical field
The present invention relates to antenna more particularly to a kind of array antennas.
Background technique
With the fast development of wireless communication technique, 4G-LTE system dispose by large-scale commercial applications, and operator is to communication matter
Amount requires higher and higher, and important component of the array antenna as mobile communication system plays communication quality most important
Effect.
Nowadays, mobile broadband service constantly increases, and the experience of inter-cell interference and user become the pass that operator considers
Key, traditional gain of array antenna is low, and the wide degree of convergence of valve and front and back ratio are poor, and to broaden working band, often size is larger,
The problem of bringing cost is unable to satisfy operator needs.
Summary of the invention
Based on this, in view of the above technical problems, a kind of array antenna is provided.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of array antenna, including reflecting plate and multiple radiating elements, the multiple radiating element are fixed on described anti-
It penetrates on plate, the radiating element includes pedestal and is used to form single polarization or dual-polarized radiator, the radiator packet
Include the radiation arm for being fixed on the support column on pedestal and being fixed on the support column, which is characterized in that the reflecting plate is
The metal plate of strip, two sides longer sides flip up to form symmetrical flanging, and the fold angle of the flanging is 90 °-
100 °, center line successively equidistant placement of the multiple radiating element along the reflecting plate, the center line and the longer sides
In parallel, the radiation arm includes scallop and convergent part, and the expanded angle of the scallop is 60 ° -90 °, and center of circle side is solid
It constitutes due on the support column, the convergent part is extended outwardly by the arc-shaped side of the scallop, both sides are from the arc
The both ends on side, which are symmetrically extended, to be intersected in a bit, and the center of circle at the midpoint and the scallop of the point and the arc-shaped side is respectively positioned on one
On straight line, and this to arc-shaped side midpoint distance with arc-shaped side midpoint being equidistant to the scallop center of circle.
There are two pieces of isolation boards between the multiple radiating element and two flangings on the reflecting plate, described two
Block isolation board is symmetrically distributed in the two sides of the multiple radiating element vertically.
The reflecting plate also has more isolating bars being located between adjacent radiation unit, and the isolating bar is in n shape,
Its both ends is fixed with two pieces of isolation boards.
Aperture is equipped on the scallop and convergent part.
The radiating element is 11.
This programme further includes the feeding network for feeding for the multiple radiating element, and the feeding network includes one
One one point of three power splitters, two the first one-to-two power splitters, four the second one-to-two power splitters and one the 2nd 1 point three
The function of three output ends a, b, c of power splitter, the one one point of three power splitters and the 2nd 1 point of three power splitters point is than being 1:
The function of two output ends of 1:2, the first one-to-two power splitter and the second one-to-two power splitter point is than being 1:1, described the
The input terminal of three power splitters is divided to connect feed mouth one by one, output end a is through a positive phase shifter and a first one-to-two function point
The input terminal of device connects, and an output end of the first one-to-two power splitter is through a positive phase shifter and a second one-to-two function
Divide the input terminal connection of device, another output connects a second one-to-two power splitter, the one one point of three power splitters
One the second one-to-two power splitter of output end b connection, output end c is through a reversed phase shifter and another the first one-to-two function
Divide the input terminal connection of device, an output end of the first one-to-two power splitter connects the input of a second one-to-two power splitter
End, another output are connect through a reversed phase shifter with the input terminal of the 2nd 1 point of three power splitters, and the described 2nd 1
Two output ends of three output ends a, b, c and four the second one-to-two power splitters for being divided to three power splitters pass through an electricity respectively
Cable is connect with 11 radiating elements, and the forward direction phase shifter and reversed phase shifter are dielectric phase shifter, and are connected to same
On root drive rod.
The cable calculates its length by following steps:
The power ratio of each radiating element is determined according to the feeding network, and then determines the amplitude of each radiating element
Than；
According to the Amplitude Ratio, the initial phase ψ of each radiating element is calculated by genetic algorithm；
Using the maximum radiating element of initial phase ψ as reference data, initial phase, which is used as, refers to initial phase ψ0, phase
The cable length answered is as reference cable length L0, fixed phase ψ0Subtract each other respectively with the initial phase ψ of remaining radiating element,
Obtain phase difference △ ψ；
The length difference △ L that each radiating element corresponds to cable and reference cable is calculated by △ ψ/β, then each radiating element is corresponding
The length L of cable is L0+ △ L, β are the phase-shift constant of cable.
One one point of three power splitters, the first one-to-two power splitter, the second one-to-two power splitter and the 2nd 1 point three
Power splitter is the Wilkinson power divider of FR4 material.
The present invention improves the structure of reflecting plate, in the case where size constancy, can optimize antenna horizontal plane
Directional diagram increases radiation current path, effectively optimize aerial array valve is wide and front and back ratio, effectively increase the increasing of antenna
Benefit, and the structure of radiating element is optimized, frequency coverage is wide, can effectively cover 1710-2690MHz frequency
Section, while broadening working band, is reduced in size, reduces costs.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of radiating element of the invention；
Fig. 3 is the structural schematic diagram of feeding network of the invention.
Fig. 4 A-4D is antenna pattern of the invention.
Specific embodiment
As shown in Figure 1, a kind of array antenna, including reflecting plate 1100 and multiple radiating elements 1200.
Reflecting plate 1100 is the metal plate of strip, and two sides longer sides flip up to form symmetrical flanging 1110, is rolled over
The fold angle on side 1110 is 90 ° -100 °.
In the present embodiment, reflecting plate 1100 is formed by metal plate punching, and the fold angle of flanging 1110 is 98 °.
There are two pieces of isolation boards between multiple radiating elements 1200 and two flangings 1110 on reflecting plate 1100
1120, two pieces of isolation boards 1120 are symmetrically distributed in the two sides of multiple radiating elements 1200 vertically, and isolation board 1120 can increase radiation
Current path, optimize directional diagram valve is wide and front and back ratio.
Reflecting plate 1100 also has more isolating bars 1130 being located between adjacent radiation unit 1200, isolating bar
1130 be in n shape, and both ends are fixed with two pieces of isolation boards 1120, can effectively improve the isolation between array antenna polarization.
1100 pairs of traditional structures of reflecting plate of the present invention are improved, and in the case where size constancy, can optimize day
Line horizontal radiation pattern increases radiation current path, effectively optimize aerial array valve is wide and front and back ratio.
Multiple radiating elements 1200 are fixed on reflecting plate 1100, and multiple radiating element 1200 is along reflecting plate 1100
Heart line successively equidistant placement, can effectively improve the gain of antenna, the center line is parallel with longer sides.
As shown in Fig. 2, radiating element 1200 is made of die cast metal comprising pedestal 1210 and be used to form single polarization
Or the radiator 1220 of dual polarized antenna, radiator 1220 include the support column 1221 being fixed on pedestal 1210 and fix
In the radiation arm 1222 on support column 1221.
Two 1220 relative gap of radiator arrangements, constitute single-polarized antenna；Four radiators 1220 are by being arranged cross, structure
At dual polarized antenna.
Support column 1221 welds together with radiation arm 1222 and pedestal 1210, improves the monolithic stability of radiating element 1200
Property, while playing the role of " U-shaped balun ", optimize 1200 standing wave of radiating element and directional diagram.
Radiation arm 1222 includes scallop 1222a and convergent part 1222b, and the expanded angle of scallop 1222a is 60 °-
90 °, center of circle side is fixed on support column 1221, and convergent part 1222b is extended outwardly by the arc-shaped side of scallop 1222a to be constituted,
Its both sides is symmetrically extended from the both ends of arc-shaped side and is intersected in a bit, the circle at the midpoint and scallop 1222a of the point and arc-shaped side
The heart is respectively positioned on straight line, and this is to the distance L2 and arc-shaped side midpoint to scallop center of circle distance L1 at arc-shaped side midpoint
It is equal.
In the present embodiment, the expanded angle of scallop 1222a is 90 °.
Aperture there are two being all provided on scallop 1222a and convergent part 1222b, the middle line of two hole opening's edge radiation arms 1222
It is arranged symmetrically, the path of electric current on radiation arm 1222 can be increased, improve its s parameter.
Half-wave dipole narrower bandwidth, the mode that broadening radiation arm is usually taken increase bandwidth, and traditional increase radiation arm is wide
The method of degree considerably increases the size of radiating element 1200 while broadening bandwidth.Radiation arm 1222 of the invention is taken
The outside fan out (scallop 1222a) since feed point (junction with support column 1221), reaches 1222 length of radiation arm
When half position, then (convergent part 1222b) is restrained, while broadening 1200 working band of radiating element, reduces spoke
Penetrate the size of unit 1200.
The structure of radiating element 1200 is optimized in this to the present invention, and frequency coverage is wide, can effectively cover
1710-2690MHz frequency range.
The present invention uses 11 radiating elements 1200, and activation profile common are constant amplitude distribution, cosine distribution etc., in order to excellent
Change minor lobe thereon to inhibit, what is generallyd use is dongle husband-Chebyshev's Optimal Distribution, and feeding network 1300 of the invention needs
The upper minor lobe of optimization array inhibits, while guaranteeing its gain, therefore uses a kind of more gentle amplitude distribution of variation tendency,
Amplitude is controlled using power splitter, and power splitter 22 uses one-to-two power splitter and one point of three power splitter, wherein one-to-two power splitter
For function point than being 1:1, the function point ratio of one point of three power splitter is 1:1:2, is assigned to each radiation in feeding network 1300 of the invention
The power ratio of unit is 1:1:1:1:2:2:2:2:2:1:1, and corresponding Amplitude Ratio is 1:1:1:1:1.41:1.41:1.41:
1.41:1.41:1:1。
As shown in figure 3, the specific structure of feeding network 1300 includes one the one one point three power splitter 1310, two first
1320, four the second one-to-two power splitters 1330 of one-to-two power splitter and the 2nd 1 point of three power splitters 1340.
The function of three output ends a, b, c of one one point of three power splitter 1310 and the 2nd 1 point of three power splitter 1340 point ratio
It is 1:1:2, the function point ratio of two output ends of the first one-to-two power splitter 1320 and the second one-to-two power splitter 1330 is
1:1。
The input terminal connection feed mouth of one one point of three power splitter 1310, output end a through a positive phase shifter 1350 with
The input terminal connection of one the first one-to-two power splitter 1320, an output end of the first one-to-two power splitter 1320 through one just
It is connect to phase shifter 1350 with the input terminal of a second one-to-two power splitter 1330, another output connects one second
One-to-two power splitter 1330.
One the second one-to-two power splitter 1330 of output end b connection of one one point of three power splitter 1310, output end c warp
One reversed phase shifter 1360 is connect with the input terminal of another the first one-to-two power splitter 1320, the first one-to-two power splitter
1320 output end connects the input terminal of a second one-to-two power splitter 1330, and another output is through a reversed shifting
Phase device 1360 is connect with the input terminal of the 2nd 1 point of three power splitter 1330, three output end a of the 2nd 1 point of three power splitter 1340,
B, two output ends of c and four the second one-to-two power splitter 1330 pass through cable 1370 and 11 radiating element respectively
1200 connections, positive phase shifter 1350 and reversed phase shifter 1360 are dielectric phase shifter, and are connected to same root drive rod
On.
Cable 1370 has outer conductor and inner conductor, and inner conductor connect 1222 with radiation arm by feed tab 1230, leads outside
Body and support column 1221 weld, the groove passed through on support column 1221 with up and down direction, current supply cable.
Above structure is single polarized feeding network 1300 in 11 radiating elements 1200, if connecting dual-polarized day
Line then needs two feeding networks 1300.
One one point of three power splitter 1310, the first one-to-two power splitter 1320, the second one-to-two power splitter 1330 and
21 point of three power splitter 1340 is the Wilkinson power divider of FR4 material.
Wherein, cable calculates its length by following steps:
The power ratio that each radiating element 1200 is determined according to feeding network 1300 is 1:1:1:1:2:2:2:2:2:1:1,
And then determine that the Amplitude Ratio of each radiating element 1200 is 1:1:1:1:1.41:1.41:1.41:1.41:1.41:1:1；
According to Amplitude Ratio, the initial phase ψ of each radiating element 1200 is calculated by genetic algorithm and MATLAB software；
The maximum radiating element 1200 of initial phase ψ is regard as reference data, using its initial phase as with reference to initial phase
Position ψ0, corresponding cable length is as reference cable length L0, fixed phase ψ0It is initial with remaining radiating element 1200 respectively
Phase ψ subtracts each other, and obtains phase difference △ ψ；
The length difference △ L of each radiating element 1200 corresponding cable and reference cable is calculated by △ ψ/β, then each radiating element
The length L of corresponding cable is L0+ △ L, β are the phase-shift constant of cable.
For 50 Ω, dielectric permittivity be 2.08 coaxial cable, phase-shift constant β=3.8 ° of 2.2GHz frequency point/
mm。
In order to reach desired figuration phase, need to calculate the length of cable, the present invention is guaranteeing most stub cable length energy
Under the premise of enough meeting connection request, it is chosen as reference data, and corresponding cable is reference cable, to calculate other electricity
The length of cable, cable length needed for entire feeding network substantially reduce, and have saved cost.
Array antenna of the present invention realizes that phase change when having a down dip is shown in Fig. 3.Phase shifter is fixed by same root drive rod, can be with
It is consistent to control phase shifter phase change.Pull drive rod, 1350 phase change △ ψ of top forward direction phase shifter, the reversed phase shift in lower section
1360 phase change of device is-△ ψ, and the phase change for being assigned to radiating element 1200 is respectively 2* △ ψ, 2* △ ψ, △ from top to bottom
ψ, △ ψ, 0,0,-△ ψ,-△ ψ, -2* △ ψ, -2* △ ψ, -2* △ ψ, for equidistant uniform straight line array, angle of declination θ and phase
Relationship between poor △ ψ can indicate are as follows:
ψ=0 dr*sin θ+△
Radiating element 1200 of the present invention, which has a down dip, reaches 10 °, and required △ ψ is 105 °.
Change the phase difference between radiating element 1200 by feeding network 1300, to change far field synthesis beam position
Realization has a down dip, and after having a down dip, the variation of directional diagram is little, increases tilt angled down, and overlapping neighbouring sectors area reduces, and improves system
System coverage area reduces communication interference, improves communication quality.
Fig. 4 A-4D is antenna pattern of the invention, and X-axis is the azimuth of radiation in figure, and Y-axis is the level after normalization
Value, unit db.
Wherein, the horizontal plane that Fig. 4 A is 0 °, 0 ° of horizontal plane valve is 61 ° wide, and front and back ratio has reached 35dB.
The horizontal plane that Fig. 4 B is 0 °, upper minor lobe inhibition have reached 26.1dB, the angular accuracy that has a down dip height.
The horizontal plane that Fig. 4 C is 10 °, has a down dip to after 10 °, horizontal plane valve is 62 ° wide, and front and back ratio has 27.5dB.
The vertical plane that Fig. 4 D is 10 °, has a down dip to after 10 °, and minor lobe inhibition still has 17.1dB on vertical plane, and have a down dip angular accuracy
Preferably.
As it can be seen that vertical plane still has good upper minor lobe to inhibit, and horizontal radiation pattern is also all satisfied mobile communication after having a down dip
It is required that.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Invention, and be not used as limitation of the invention, as long as in spirit of the invention, to embodiment described above
Variation, modification will all fall within the scope of claims of the present invention.
Claims (8)
1. a kind of array antenna, including reflecting plate and multiple radiating elements, the multiple radiating element are fixed on the reflection
On plate, the radiating element includes pedestal and is used to form single polarization or dual-polarized radiator, and the radiator includes
The radiation arm for being fixed on the support column on pedestal and being fixed on the support column, which is characterized in that the reflecting plate is length
The metal plate of strip, two sides longer sides flip up to form symmetrical flanging, and the fold angle of the flanging is 90 ° -100 °,
For the multiple radiating element along the center line successively equidistant placement of the reflecting plate, the center line is parallel with the longer sides,
The radiation arm includes scallop and convergent part, and the expanded angle of the scallop is 60 ° -90 °, and institute is fixed in center of circle side
State on support column, the convergent part is extended outwardly by the arc-shaped side of the scallop to be constituted, both sides from the arc-shaped side two
End, which is symmetrically extended, to be intersected in a bit, and the center of circle at the midpoint and the scallop of the point and the arc-shaped side is respectively positioned on straight line
On, and this to arc-shaped side midpoint distance with arc-shaped side midpoint being equidistant to the scallop center of circle.
2. a kind of array antenna according to claim 1, which is characterized in that have on the reflecting plate positioned at the multiple
Two pieces of isolation boards between radiating element and two flangings, it is single that two pieces of isolation boards are symmetrically distributed in the multiple radiation vertically
The two sides of member.
3. a kind of array antenna according to claim 2, which is characterized in that the reflecting plate also have be located at it is adjacent
More isolating bars between radiating element, the isolating bar are in n shape, and both ends are fixed with two pieces of isolation boards.
4. a kind of array antenna according to claim 3, which is characterized in that be equipped on the scallop and convergent part
Aperture.
5. a kind of array antenna according to claim 1 or 4, which is characterized in that the radiating element is 11.
6. a kind of array antenna according to claim 5, which is characterized in that further include for being the multiple radiating element
The feeding network of feed, the feeding network include the one one point of three power splitters, two the first one-to-two power splitters, four
Second one-to-two power splitter and the 2nd 1 point of three power splitters, the one one point of three power splitters and the 2nd 1 point of three function
Divide the function point of three output ends a, b, c of device than being 1:1:2, the first one-to-two power splitter and the second one-to-two power splitter
Two output ends function point than being 1:1, the input terminal connection feed mouth of the one one point of three power splitters, output end a warp
One positive phase shifter is connect with the input terminal of a first one-to-two power splitter, an output end of the first one-to-two power splitter
It is connect through a positive phase shifter with the input terminal of a second one-to-two power splitter, another output connects one the 2nd 1
Divide two power splitters, one the second one-to-two power splitter of output end b connection of the one one point of three power splitters, output end c warp
One reversed phase shifter is connect with the input terminal of another the first one-to-two power splitter, an output of the first one-to-two power splitter
The input terminal of one the second one-to-two power splitter of end connection, another output is through a reversed phase shifter and described 2nd 1 point
The input terminal of three power splitters connects, three output ends a, b, c and four the second one-to-two of the 2nd 1 point of three power splitters
Two output ends of power splitter pass through a cable respectively and connect with 11 radiating elements, the forward direction phase shifter and reversed shifting
Phase device is dielectric phase shifter, and is connected on same root drive rod.
7. a kind of array antenna according to claim 6, which is characterized in that the cable calculates its length by following steps
Degree:
The power ratio of each radiating element is determined according to the feeding network, and then determines the Amplitude Ratio of each radiating element；
According to the Amplitude Ratio, the initial phase ψ of each radiating element is calculated by genetic algorithm；
Using the maximum radiating element of initial phase ψ as reference data, initial phase, which is used as, refers to initial phase ψ0, accordingly
Cable length is as reference cable length L0, fixed phase ψ0Subtract each other respectively with the initial phase ψ of remaining radiating element, obtains
Phase difference △ ψ；
The length difference △ L that each radiating element corresponds to cable and reference cable is calculated by △ ψ/β, then each radiating element corresponds to cable
Length L be L0+ △ L, β are the phase-shift constant of cable.
8. a kind of array antenna according to claim 7, which is characterized in that the one one point of three power splitters, the 1st
Dividing two power splitters, the second one-to-two power splitter and the 2nd 1 point of three power splitters is the Wilkinson power divider of FR4 material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610081.0A CN109301435A (en) | 2017-07-25 | 2017-07-25 | Array antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610081.0A CN109301435A (en) | 2017-07-25 | 2017-07-25 | Array antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668605A (en) * | 2020-07-02 | 2020-09-15 | 武汉虹信通信技术有限责任公司 | Electrically-controlled antenna used along high-speed rail |
| CN113782983A (en) * | 2021-09-13 | 2021-12-10 | 四川九洲电器集团有限责任公司 | Narrow reflecting plate one-dimensional linear array antenna |
| CN114330112A (en) * | 2021-12-15 | 2022-04-12 | 南京理工大学 | Method for optimizing non-equidistant tightly-coupled array antenna |
| WO2023115285A1 (en) * | 2021-12-20 | 2023-06-29 | 华为技术有限公司 | Antenna sidelobe suppression method and antenna array |
| CN117175207A (en) * | 2023-09-27 | 2023-12-05 | 普罗斯通信技术（苏州）有限公司 | Antenna |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5543805A (en) * | 1994-10-13 | 1996-08-06 | The Boeing Company | Phased array beam controller using integrated electro-optic circuits |
| CN201191650Y (en) * | 2008-06-12 | 2009-02-04 | 哈尔滨工业大学 | Pattern predisposed RFID system reader antenna |
| CN201199544Y (en) * | 2008-05-07 | 2009-02-25 | 摩比天线技术（深圳）有限公司 | Small separation array antennas |
| CN103022641A (en) * | 2011-09-28 | 2013-04-03 | 东莞市晖速天线技术有限公司 | Base station antenna applicable to multi-system communication and wideband dual-polarized oscillator of base station antenna |
| CN104300199A (en) * | 2009-11-17 | 2015-01-21 | 株式会社Kmw | Method for installing radiator elements arranged in different planes and antenna thereof |
| CN204481126U (en) * | 2015-04-23 | 2015-07-15 | 佛山市迪安通讯设备有限公司 | A kind of wideband high-frequency dual polarization vibrator |
| CN106329124A (en) * | 2016-08-31 | 2017-01-11 | 武汉虹信通信技术有限责任公司 | Phase shifter and antenna |
| CN206225561U (en) * | 2016-11-29 | 2017-06-06 | 南京濠暻通讯科技有限公司 | A kind of big angle of declination antenna for base station of biserial |
| CN206282963U (en) * | 2016-12-23 | 2017-06-27 | 武汉虹信通信技术有限责任公司 | One kind miniaturization base station antenna radiation unit |
-
2017
- 2017-07-25 CN CN201710610081.0A patent/CN109301435A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5543805A (en) * | 1994-10-13 | 1996-08-06 | The Boeing Company | Phased array beam controller using integrated electro-optic circuits |
| CN201199544Y (en) * | 2008-05-07 | 2009-02-25 | 摩比天线技术（深圳）有限公司 | Small separation array antennas |
| CN201191650Y (en) * | 2008-06-12 | 2009-02-04 | 哈尔滨工业大学 | Pattern predisposed RFID system reader antenna |
| CN104300199A (en) * | 2009-11-17 | 2015-01-21 | 株式会社Kmw | Method for installing radiator elements arranged in different planes and antenna thereof |
| CN103022641A (en) * | 2011-09-28 | 2013-04-03 | 东莞市晖速天线技术有限公司 | Base station antenna applicable to multi-system communication and wideband dual-polarized oscillator of base station antenna |
| CN204481126U (en) * | 2015-04-23 | 2015-07-15 | 佛山市迪安通讯设备有限公司 | A kind of wideband high-frequency dual polarization vibrator |
| CN106329124A (en) * | 2016-08-31 | 2017-01-11 | 武汉虹信通信技术有限责任公司 | Phase shifter and antenna |
| CN206225561U (en) * | 2016-11-29 | 2017-06-06 | 南京濠暻通讯科技有限公司 | A kind of big angle of declination antenna for base station of biserial |
| CN206282963U (en) * | 2016-12-23 | 2017-06-27 | 武汉虹信通信技术有限责任公司 | One kind miniaturization base station antenna radiation unit |
Non-Patent Citations (1)
| Title |
|---|
| 徐海健: ""LTE宽带双极化电调基站阵列天线"", 《中国优秀硕士学位论文全文数据库（电子期刊）信息科技辑》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668605A (en) * | 2020-07-02 | 2020-09-15 | 武汉虹信通信技术有限责任公司 | Electrically-controlled antenna used along high-speed rail |
| CN111668605B (en) * | 2020-07-02 | 2021-07-09 | 中信科移动通信技术股份有限公司 | Electrically-controlled antenna used along high-speed rail |
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| CN113782983B (en) * | 2021-09-13 | 2023-02-24 | 四川九洲电器集团有限责任公司 | Narrow reflecting plate one-dimensional linear array antenna |
| CN114330112A (en) * | 2021-12-15 | 2022-04-12 | 南京理工大学 | Method for optimizing non-equidistant tightly-coupled array antenna |
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