CN207691005U - A kind of antenna system of two-dimensional radiation directional diagram reconstructable - Google Patents
A kind of antenna system of two-dimensional radiation directional diagram reconstructable Download PDFInfo
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- CN207691005U CN207691005U CN201820043664.XU CN201820043664U CN207691005U CN 207691005 U CN207691005 U CN 207691005U CN 201820043664 U CN201820043664 U CN 201820043664U CN 207691005 U CN207691005 U CN 207691005U
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- phase shifter
- butler matrix
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Abstract
The utility model discloses a kind of antenna systems of two-dimensional radiation directional diagram reconstructable, including the antenna element array module of signal for transmitting and receiving；Butler matrix module for forming horizontal and vertical beam feature before antenna element array module emits signal, is made of 3dB electric bridges；One is used for transmission the input signal that feeding network or transceiver provide, and the phase shifter module of input signal is provided for butler matrix module comprising the phase shifter of at least one constant power distribution；Wherein there are one input port and four output ports for phase shifter module tool, butler matrix module has multiple input port and multiple output ports, four output ports of phase shifter module are connect with the input port of butler matrix module, and the output port of butler matrix module is connect with antenna element array module.The antenna system of the utility model, beam angle is adjustable, it is simple in structure, be easily achieved.
Description
Technical field
The utility model is related to wireless communication technology field, a kind of two-dimensional radiation directional diagram reconstructable is particularly related to
Antenna system.
Background technology
In wireless communication coverage, each a certain range of region of day line traffic control, the region is known as sector or cell,
The region internal antenna receives and radiated electromagnetic wave, and radiation radius is controlled by controlling lobe angle of declination, by setting horizontal wave
Beam width determines the sector coverage area of cell.
Various ways may be used in the angle of declination adjusting of antenna, and mechanical tilt and electricity, which are adjusted, to have a down dip, and comparatively technology is sent out
Exhibition is more mature；And in view of the sector coverage area of different cells, need antenna in indexs such as horizontal beam widths
Parameter makes corresponding adjustment, and existing traditional antenna beamwidth is fixed, it is contemplated that different application environment will be researched and developed and be set again
New antenna is counted to adapt to index request, causes the waste of the increase and antenna physical resources of R＆D costs.
Therefore, there is an urgent need for a kind of adjustable methods of beam angle of design to improve its problem, reduce R＆D costs and increase day
The applicability of line.
Utility model content
The utility model is intended to provide a kind of antenna system of two-dimensional radiation directional diagram reconstructable, beam angle is adjustable,
It is simple in structure, be easily achieved.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of antenna system of two-dimensional radiation directional diagram reconstructable, including：
The antenna element array module of one signal for transmitting and receiving, by several equidistantly ± 45 ° of dual polarization vibrators
Composition；
One Butler for forming horizontal and vertical beam feature before the antenna element array module emits signal
Matrix module is made of 3dB electric bridges；
One is used for transmission the input signal that feeding network or transceiver provide, and is carried for the butler matrix module
For the phase shifter module of input signal comprising the phase shifter of at least one constant power distribution；
There are one input port and four output ports, the butler matrix module tools for the wherein described phase shifter module tool
Have a multiple input port and multiple output ports, four output ports of the phase shifter module with the butler matrix mould
The input port of block connects, and the output port of the butler matrix module is connect with the antenna element array module.
Preferably, the phase shifter is mirror image phase shifter.
Preferably, the antenna element array module includes four equidistant ± 45 ° of dual polarization vibrators, adjacent vibration generators spacing
For 105mm.
Preferably, the 3dB electric bridges are 90 degree of 3dB electric bridges.
Using above-mentioned technical proposal, the utility model includes at least following advantageous effect：
The antenna system of two-dimensional radiation directional diagram reconstructable described in the utility model, by the Butler of multiple-input and multiple-output
Matrix realizes that the amplitude distribution of signal is adjustable controllable, and then realizes that horizontally or vertically beam angle is continuously adjusted antenna.
Description of the drawings
Fig. 1 is the schematic block diagram of the antenna system of the utility model embodiment；
Fig. 2 is the stereoscopic schematic diagram of the antenna system of the utility model embodiment；
Fig. 3 is the operation principle schematic diagram of the antenna system of the utility model embodiment；
Fig. 4 is the analogous diagram of the antenna pattern for the antenna system that phase difference is 5 °；
Fig. 5 is the analogous diagram of the antenna pattern for the antenna system that phase difference is 20 °；
Fig. 6 is the analogous diagram of the antenna pattern for the antenna system that phase difference is 45 °.
Wherein：11. phase shifter module, 12. butler matrix modules, 13. antenna element array modules.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 3, for meet the utility model a kind of two-dimensional radiation directional diagram reconstructable antenna system,
Including：
The antenna element array module 13 of one signal for transmitting and receiving is shaken by several equidistantly ± 45 ° of dual polarizations
Son composition；
One Bart for forming horizontal and vertical beam feature before the antenna element array module 13 emits signal
Matrix module 12 is strangled, is made of 3dB electric bridges；
One is used for transmission the input signal that feeding network or transceiver provide, and is the butler matrix module 12
There is provided the phase shifter module 11 of input signal comprising the phase shifter of at least one constant power distribution；
There are one input port and four output ports, the butler matrix modules for the wherein described tool of phase shifter module 11
12 have multiple input port and a multiple output ports, four output ports of the phase shifter module 11 with the Butler
The input port of matrix module 12 connects, the output port of the butler matrix module 12 and the antenna element array module
13 connections.
Module described in said program is only the main modular needed for antenna system, can also include feeding network module,
For adjusting antenna lobe angle of declination and horizontal azimuth；The utility model realizes that signal has a down dip in combination with feeding network module
Angle and horizontal azimuth are adjustable, improve antenna to the applicability of environment, save R＆D costs and antenna physical resources, system knot
Structure is simple, is easy to carry out remote control and real-time optimization to antenna.
Corresponding electric bridge number and oscillator in above-mentioned antenna butler matrix module 12 and antenna element array module 13
Number is not limited only to the number in the utility model embodiment, also has certain autgmentability.
Preferably, the phase shifter is mirror image phase shifter.
Preferably, the antenna element array module 13 includes four equidistant ± 45 ° of dual polarization vibrators, between adjacent vibration generators
Away from for 105mm.
Preferably, the 3dB electric bridges are 90 degree of 3dB electric bridges.
In a preferred embodiment, by taking four go out butler matrix into four as an example, system includes phase shifter module 11, Butler
The output signal of matrix module 12, antenna element array module 13, system feeding network or transceiver goes out four into one
Then mirror image phase shifter module 11 inputs the butler matrix module being made of 90 degree of 3dB electric bridges by the signal of phase shifter output
12, the signal of butler matrix output feeds antenna element array, the signal synthetic antenna that antenna element array is sent out
Lobe directions figure changes the phase for the signal for being input to butler matrix, and then influence butler matrix by adjusting phase shifter
The watt level of output signal antenna oscillator is presented with different power under the premise of ensureing secondary lobe index request
Electricity, the beam angle that antenna may be implemented are continuously adjusted within the scope of certain angle.
Fig. 3 is the operation principle of the antenna system of the utility model embodiment, if input signal is indicated with S_In, mirror image moves
Four port output signals of phase device use S_Out (1), S_Out (1), S_Out (3), S_Out (4) to indicate respectively, Butler square
12 4 port output signal of array module uses M_Out (1), M_Out (2), M_Out (3), M_Out (4) to indicate that phase shifter moves respectively
Dynamic phase is indicated with Delta_Phz；The phase difference that S_Out (1) and S_Out (2) is easy to get by Fig. 3 is 2*Delta_Phz；Together
The phase difference of reason, S_Out (4) and S_Out (3) are also 2*Delta_Phz.Input signal passes through the mirror image phase shift of constant power distribution
Device obtains that phase shifter output signal power is equal, and the phase of output signal is determined by phase shifter, the phase shift with equal phase difference
Device output signal inputs to two input ports of 90 degree of 3dB electric bridges, and Butler square can be obtained according to butler matrix principle
The output signal of battle array, the output signal of different power distributions can be obtained by out of phase difference, is worked according to butler matrix
Principle is known that the phase difference of such structure butler matrix output signal is equal；And the different capacity of butler matrix output
The signal of distribution feeds antenna element array, can adjust the beam angle of antenna；Since phase shifter can be to phase
Continuously adjusted, then phase shifter output signal similarly can there are one continuous phase potential difference, butler matrix output signal
Amplitude can there are one the processes that continuously adjusts, such situation to carry out feed to array oscillator and can be obtained by continuous beam angle
Adjusting.
The following table 1 is input signal phase difference and phase shifter output signal and Butler in the case of phase shifter difference phase shift
The amplitude of Output matrix signal and some typical datas statistics of phase, wherein Phz_Out indicate phase shifter output phase, Amp_
M_Out indicates butler matrix output amplitude, and Phz_M_Out indicates butler matrix output phase, it is recognised that in phase shifter
When difference is 45 °, it is zero that can make 1 tunnel of butler matrix output signal and 4 tunnel output amplitude values, only two intermediate at this time
Oscillator works, and realizes the maximum value of the beam angle under this Model Condition.
1 phase shifter of table and butler matrix output signal statistics
By taking 1710-2170MHz frequency ranges as an example, using four equidistant ± 45 ° of dual polarization vibrators, adjacent vibration generators spacing is set
For 105mm, the directional diagram of array radiation signal can be obtained by emulation, as shown in Figures 4 to 6, the following table 2 is that table 1 is corresponding
The wave of antenna pattern is wide and Sidelobe Suppression concrete numerical value counts；The variation of 20 °~37.5 ° angular ranges may be implemented in emulation,
By adjusting intermediate radiating element environmental condition, such as：Adjust the reflecting plate either height of baffle, increasing or reduction adjacent vibration generators
Between spacing etc., horizontal beam width adjusting can also further be extended；Meanwhile identical knot is set in antennas orthogonal direction
Structure can also realize the adjusting of antennas orthogonal direction beam angle.
The adjusting of horizontal azimuth of antenna and lobe angle of declination can be by adding phase shift at butler matrix output signal
Device, the output phase of Regulate signal realize that horizontal azimuth of antenna and lobe angle of declination are adjustable, to realize antenna system two dimension
Directional diagram is adjustable.
2 radiation pattern wave of table is wide and secondary lobe counts
In conclusion the horizontal beam width that antenna system may be implemented in the utility model is adjustable, antenna emits and connects
The collection of letters number is an inverse process, and principle is identical, therefore therefore not to repeat here.The phase difference for cleverly utilizing mirror image phase shifter, makes
The output signal for obtaining butler matrix has equal phase, does not need additional phase of cable compensation, simple in structure, is easy to real
It is existing.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (4)
1. a kind of antenna system of two-dimensional radiation directional diagram reconstructable, which is characterized in that including：
The antenna element array module of one signal for transmitting and receiving is made of several equidistantly ± 45 ° of dual polarization vibrators；
One butler matrix for forming horizontal and vertical beam feature before the antenna element array module emits signal
Module is made of 3dB electric bridges；
One is used for transmission the input signal that feeding network or transceiver provide, and provides for the butler matrix module defeated
Enter the phase shifter module of signal comprising the phase shifter of at least one constant power distribution；
There are one input port and four output ports, the butler matrix module has more the wherein described phase shifter module tool
A input port and multiple output ports, four output ports of the phase shifter module with the butler matrix module
Input port connects, and the output port of the butler matrix module is connect with the antenna element array module.
2. the antenna system of two-dimensional radiation directional diagram reconstructable as described in claim 1, it is characterised in that：The phase shifter is
Mirror image phase shifter.
3. the antenna system of two-dimensional radiation directional diagram reconstructable as claimed in claim 1 or 2, it is characterised in that：The antenna
Layered transducer elements module includes four equidistant ± 45 ° of dual polarization vibrators, and adjacent vibration generators spacing is 105mm.
4. the antenna system of two-dimensional radiation directional diagram reconstructable as described in claim 1, it is characterised in that：The 3dB electric bridges
For 90 degree of 3dB electric bridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043664.XU CN207691005U (en) | 2018-01-11 | 2018-01-11 | A kind of antenna system of two-dimensional radiation directional diagram reconstructable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043664.XU CN207691005U (en) | 2018-01-11 | 2018-01-11 | A kind of antenna system of two-dimensional radiation directional diagram reconstructable |
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| CN207691005U true CN207691005U (en) | 2018-08-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054514A (en) * | 2018-01-11 | 2018-05-18 | 江苏亨鑫科技有限公司 | A kind of antenna system of two-dimensional radiation directional diagram reconstructable |
| CN113162668A (en) * | 2020-01-22 | 2021-07-23 | 南京捷希科技有限公司 | Test system and test method for adjusting fixed beam |
-
2018
- 2018-01-11 CN CN201820043664.XU patent/CN207691005U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054514A (en) * | 2018-01-11 | 2018-05-18 | 江苏亨鑫科技有限公司 | A kind of antenna system of two-dimensional radiation directional diagram reconstructable |
| WO2019137015A1 (en) * | 2018-01-11 | 2019-07-18 | 江苏亨鑫科技有限公司 | Two-dimensional radiation pattern reconfigurable antenna system |
| CN113162668A (en) * | 2020-01-22 | 2021-07-23 | 南京捷希科技有限公司 | Test system and test method for adjusting fixed beam |
| CN113162668B (en) * | 2020-01-22 | 2022-08-05 | 南京捷希科技有限公司 | Test system and test method for adjusting fixed beam |
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