CN206003971U - Wave-packet shaping network and its input structure, three beam antennas - Google Patents
Wave-packet shaping network and its input structure, three beam antennas Download PDFInfo
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- CN206003971U CN206003971U CN201621074104.8U CN201621074104U CN206003971U CN 206003971 U CN206003971 U CN 206003971U CN 201621074104 U CN201621074104 U CN 201621074104U CN 206003971 U CN206003971 U CN 206003971U
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Abstract
This utility model provides a kind of Wave-packet shaping network, including：First directional coupler, the second directional coupler, the 3rd directional coupler, the first power splitter and at least one phase shifter, the outfan of described first directional coupler is connected with the input of the second directional coupler and the 3rd directional coupler respectively, the outfan of described first power splitter is connected with the input of the second directional coupler and the 3rd directional coupler respectively, and the described phase shifter, at least one was connected on the second directional coupler and/or an outfan of the 3rd directional coupler；The signal of telecommunication inputs via the first directional coupler and the first power splitter respectively, and is exported by the outfan of the second directional coupler and the 3rd directional coupler respectively.This matrixing network has the characteristics that excellent performance, structure are simple, size is little and concordance is good.Additionally, further relating to the input output method of a kind of three beam antennas, the input structure of this Wave-packet shaping network and this Wave-packet shaping network.
Description
Technical field
This utility model is related to antenna technical field, more particularly, to Wave-packet shaping network and its input structure, three wave beam skies
Line.
Background technology
At present, moving communicating field technology develops rapidly, and subscriber traffic continues blowout, and substantial amounts of data service is to movement
Message capacity is put forward higher requirement.Generally, antenna of mobile communication base station covers a sector with a wider wave beam,
When user increases in this sector, can bring about the problems such as signal interference strengthens, capacity is not enough.
Multibeam antenna can be regarded as a wider wave beam " splitting " becoming multiple narrower wave beams, is to be at antenna feeder end
System capacity enlargement provides a kind of reliable solution.Forming multiple wave beams using Butler matrix is multibeam antenna design
One of Main Means.
A kind of dual polarization three beam antenna for mobile communication base station of patent CN201210080959.1, discloses one kind
Three beam antennas, -120 ° of phase contrast that this patent is formed, 0 ° of phase contrast ,+120 ° of phase contrasts can realize the respectively on antenna
- 40 ° of azimuthal sensing left shift of one wave beam, the azimuthal of the second wave beam are oriented to 0 °, the azimuth of the 3rd wave beam
Be oriented to 0.For to be formed -40 °, 0 ° ,+40 ° of azimuth.In addition to changing phase contrast, antenna can also be optimized
In array pitch.By changing its spacing it is also possible to change the formation of antenna azimuth.But the ripple being formed due to this antenna
Bundle azimuthal displacement is larger, but the size greater level face Sidelobe Suppression of antenna can not meet existing demand, and it is integrally tied
Structure design is complex, relatively costly.
Patent CN201310294694.X one kind 3 × 3Butler matrix and 5 × 6Butler matrix, disclose a kind of 3 ×
3Butler matrix, including by the first directional coupler, the second directional coupler, the 3rd directional coupler, the first phase shifter,
Two phase shifters and the 3rd phase shifter composition.Due to 3dB directional coupler a key property be straightthrough port and coupling aperture energy
Formation has 90 ° of phase contrasts, and 120 ° of phase contrasts that the 3 × 3Butler matrix described in this patent is formed are by power combing
's.The first delivery outlet OUT1 therefore described in this patent, the second delivery outlet OUT2, the 3rd delivery outlet OUT3 output must
It is equal, this power distribution is irrational for the antenna pattern of antenna.First, its first delivery outlet OUT1,
Two delivery outlet OUT2, the output of the 3rd delivery outlet OUT3 are equal, then can make the antenna pattern of the first input port in1
- 40 ° of the beam positional angular variation of the first wave beam, therefore, the horizontal plane Sidelobe Suppression of the first wave beam just cannot be inhibited, can be right
The antenna pattern (i.e. the second wave beam) of the second input port in2 and the antenna pattern (i.e. the 3rd wave beam) of the 3rd input port in3
Main beam formed interference.Secondly as the increase of phase contrast, it will so that the loss of antenna is increased.
So, existing Butler matrix design is complicated, size is larger, and conformity of production deviation need to improve.
Content of the invention
Primary and foremost purpose of the present utility model aims to provide that a kind of structure is simple, smaller, stable performance and concordance relatively
Good Wave-packet shaping network.
Another object of the present utility model is to provide a kind of three beam antennas applying above-mentioned Wave-packet shaping network.
A further object of the present utility model is to provide a kind of input structure of above-mentioned Wave-packet shaping network.
To achieve these goals, this utility model provides technical scheme below：
A kind of Wave-packet shaping network is it is characterised in that include：First directional coupler, the second directional coupler, the 3rd fixed
To bonder, the first power splitter and at least one phase shifter, the outfan of described first directional coupler orients with second respectively
The input of bonder and the 3rd directional coupler connects, the outfan of described first power splitter respectively with the second directional coupler
Connect with the input of the 3rd directional coupler；The signal of telecommunication inputs via the first directional coupler and the first power splitter respectively, and
Exported by the outfan of the second directional coupler and the 3rd directional coupler respectively and/or export to the described phase shifter, described
Phase shifter, at least one was connected on the second directional coupler and/or an outfan of the 3rd directional coupler.
Preferably, each directional coupler is respectively provided with first, second input and first, second outfan；First orientation
First outfan of bonder is connected with the first input end of described second directional coupler, and the second of the first directional coupler is defeated
Go out end to be connected with the second input of the 3rd directional coupler；Two output ports of described first power splitter and the second orientation coupling
Second input of clutch, the first input end of the 3rd directional coupler connect one to one, and the second of the second directional coupler
Outfan, the first outfan of the 3rd directional coupler respectively connect a described phase shifter.
Further, outfan with the phase shifter and/or the first outfan of the second directional coupler, the 3rd fixed are also included
Multiple second power splitters connecting to the second outfan of bonder.
Preferably, each described directional coupler is the directional coupler that two outfans have 90 ° of phase contrasts.
Preferably, the directional coupler that described first directional coupler distributes for 3dB constant power, described second, third is determined
The directional coupler distributing for unequal power to bonder.
Preferably, each phase shifter all introduces 90 ° of Phase delay.
A kind of three beam antennas, divide including reflecting plate, the aerial array on reflecting plate, the work(for aerial array feed
The Wave-packet shaping network that the input that phase shift feeding network and its outfan divide phase shift feeding network with work(is connected, described antenna
Array includes multiple subarrays, and each subarray includes multiple radiating elements；Described work(divides number and the son of phase shift feeding network
The columns of array is consistent, and each work(divides phase shift feeding network to be respectively provided with an input and multiple outfan；Described beam shaping
Network is above-mentioned Wave-packet shaping network, the output port quantity of this Wave-packet shaping network and the submatrix column number one of aerial array
Cause, and the input that multiple output ports of Wave-packet shaping network divide phase shift feeding network with multiple work(connect one to one,
Each described work(divides multiple outfans of phase shift feeding network to connect one to one with multiple radiating elements of a subarray.
Preferably, each described radiating element is dual-polarization radiating unit, and the quantity of described Wave-packet shaping network is at least
Two, described two Wave-packet shaping networks are respectively used to two different polarization, and each work(divides the input of phase shift feeding network
Each a corresponding outfan connects with two Wave-packet shaping networks.
Preferably, the spacing of two neighboring subarray is selected from 0.5～1.2 times of wavelength of working frequency range center frequency point, same
In individual subarray, the spacing of two neighboring radiating element is 0.7～1.3 times of wavelength selected from working frequency range center frequency point.
Preferably, two neighboring subarray mutual dislocation setting, dislocation spacing is two neighboring spoke in same subarray
Penetrate spacing between unit 0.5 times.
A kind of input output method of Wave-packet shaping network, comprises the following steps：The first via signal of telecommunication of input is carried out
Coupling and phase modulation are processed, and export four tunnel forward direction output signals；The second road signal of telecommunication of input is coupled and phase modulation is processed,
And export the reverse output signal in four tunnels；The two-way that is divided into of the 3rd road signal of telecommunication of input is exported the equal shunting signal of telecommunication, and
The described shunting signal of telecommunication is coupled, output four tunnel phase places become the signal of the arithmetic progression that tolerance is zero；Described four tunnels are just
To output signal, reverse output signal corresponds with described four tunnels, and has equal phase place between mutually corresponding signal
Difference.
Described coupling and phase modulation process and include coupling processing and phase shift process, the signal of telecommunication coupling that described coupling processing will input
He Chu tetra- road signal, described phase shift processes and at least one road signal is carried out phase shift and exports.
Described coupling processing includes the first coupling processing and the second coupling processing, the electricity that described first coupling processing will input
Signal constant power is distributively coupled out two-way coupled signal, and the second coupling processing is carried out at coupling to two-way coupled signal respectively
Reason, and export four road signals.
A kind of input structure of Wave-packet shaping network, including：At least two couple input and at least one grade work(divide defeated
Enter end；Described two couple input include being configurable for inputting the first input of two paths of signals for this Wave-packet shaping network
Port and the second input port, so that two paths of signals is formed under the constant power distribution coupling of this Wave-packet shaping network respectively all have
Dephased first, second wave beam；The work(such as described divides input, is configurable for inputting the 3rd for this Wave-packet shaping network
Road signal, so that the 3rd road signal forms equiphase 3rd ripple under the constant power distribution coupling of this Wave-packet shaping network
Bundle.
Compared to existing technology, scheme of the present utility model has advantages below：
Wave-packet shaping network of the present utility model, by three directional couplers, two phase shifters and a power splitter
Cooperate, the Wave-packet shaping network constructing one three input multi output (at least four output ports) is so that radiofrequency signal
When inputting by different input ports, form different phase configuration at four different output ports, thus forming three
Different beam positions.Wave-packet shaping network of the present utility model has that excellent performance, structure be simple, small volume and concordance is good
Feature.
The aspect that this utility model adds and advantage will be set forth in part in the description, and these will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
The above-mentioned and/or additional aspect of this utility model and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and easy to understand, wherein：
Fig. 1 is the schematic diagram of of the present utility model 3 × 4 Wave-packet shaping network；
Fig. 2 is the cut-away view of 3 × 4 Wave-packet shaping network shown in Fig. 1；
Fig. 3 is the structural representation of of the present utility model 3 × 5 Wave-packet shaping network；
Fig. 4 is the scheme of installation with reflecting plate for the aerial array of three beam antennas of the present utility model；
Fig. 5 is that the work(of three beam antennas of the present utility model divides the schematic diagram of phase shift feeding network；
Fig. 6 is the structural representation of three beam antennas of the present utility model, shows that Wave-packet shaping network, work(divide phase shift to present
Electric network and the annexation of aerial array；
Fig. 7 is the directional diagram of the antenna using Wave-packet shaping network of the present utility model.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary, is only used for explaining this utility model, and can not be construed to of the present utility model
Limit.
Fig. 1 to Fig. 3 collectively illustrates Wave-packet shaping network of the present utility model, in order to from different port input radio frequency signal
When form different phase configuration in different output port, thus forming multiple different beam positions.
With 3 × N Butler matrixing network (hereinafter referred to as " Butler matrixing network ") of three input multi output it is below
Example, illustrates to the composition and its principle of Wave-packet shaping network of the present utility model.
Described Butler matrixing network include the first directional coupler, the second directional coupler, the 3rd directional coupler,
One power splitter and at least one phase shifter, the outfan of described first directional coupler respectively with the second directional coupler and the 3rd
The input of directional coupler connects, and the outfan of described first power splitter orients coupling with the second directional coupler and the 3rd respectively
The input of clutch connects, and the described phase shifter, at least one was connected to the second directional coupler and/or the 3rd directional coupler
On one outfan.The signal of telecommunication inputs via the first directional coupler and the first power splitter respectively, and respectively by the second orientation coupling
The outfan output of clutch and the 3rd directional coupler.
Embodiment 1
Fig. 1 illustrates a kind of 3 × 4 Butler matrixing network 100, including three input ports and four output ports, point
Wei not first input port IN1, the second input port IN2, the 3rd input port IN3, the first output port OUT1, the second output
Port OUT2, the 3rd output port OUT3 and the 4th output port OUT4.
A kind of instantiation schematic diagram of Butler matrixing network shown in Fig. 1 for the Fig. 2.This Butler matrixing network 100
Including the first directional coupler 11, the second directional coupler 12,13, two phase shifters of the 3rd directional coupler 21,22 and one
Power splitter 3.Wherein, each directional coupler has first input end, the second input, the first outfan and the second outfan,
Taking the first directional coupler 11 as a example, the first directional coupler 11 have its first input end 11a, the second input 11b, first
Outfan 11c and the second outfan 11d；Two described phase shifters 21,22 respectively have an input and an outfan；Described
Power splitter 3 is one-to-two constant power power splitter, and that is, described power splitter 3 has an input 3a and two outfans 3b, 3c.
The first input end 11a of described first directional coupler 11 is as the first input of this Butler matrixing network 100
Port IN1, the second input 11b of described first directional coupler 11 inputs as the second of this Butler matrixing network 100
Port IN2, the input 3a of described power splitter 3 are as the 3rd input port IN3 of this Butler matrixing network 100.
First outfan 11c of described first directional coupler 11 connects to the first outfan of the second directional coupler 12
12a, the second outfan 11d of the first directional coupler 11 connects to the second input 13b of the 3rd directional coupler 13, described
Second input 12b of two outfans 3b, 3c of power splitter 3 and the second directional coupler 12, the 3rd directional coupler 13
First input end 13a connects one to one, the second outfan 12d of described second directional coupler 12 and a phase shifter 21
Input connects, and the first outfan 13c of the 3rd directional coupler 13 is then connected with the input of another phase shifter 22.
First outfan 12c of described second directional coupler 12 is as the first output of this Butler matrixing network 100
Port OUT1, the outfan of a phase shifter 21 being connected with the second directional coupler 12 is as this Butler matrixing network 100
The 3rd output port OUT3, the outfan of a phase shifter 22 being connected with the 3rd directional coupler 13 is as this Butler square
Second output port OUT2 of battle array network 100, the second outfan 13d of the 3rd directional coupler 13 is as this Butler matrix net
4th output port OUT4 of network 100.
Preferably, in above-mentioned device, each described directional coupler 11,12,13 is that two outfans have 90 ° of phase contrasts
Directional coupler；Each described phase shifter 21,22 all introduces 90 ° of Phase delay；Two outfans of described power splitter 3
The phase place of 3b, 3c is consistent.
Thus, when radiofrequency signal inputs from first input port IN1 of this Butler matrixing network 100, signal passes through
The first input end 11a of the first directional coupler 11 enters the first directional coupler 11 two through the first directional coupler 11
Outfan 11c, 11d export, and wherein, the first outfan 11c of the first directional coupler 11 obtains 0 ° of signal 1/2 ∠, and second is defeated
Go out to hold 11d to obtain ∠ -90 ° of signal 1/2.
0 ° of first outfan 11c gained signal 1/2 ∠ of the first directional coupler 11 through the second directional coupler 12
One input 12a flows into the second directional coupler 12, and obtains signal 1/ in the first outfan 12c of the second directional coupler 12
40 ° of ∠, obtain ∠ -90 ° of signal 1/4 in the second outfan 12d of the second directional coupler 12, ∠ -90 ° of signal 1/4 again through with
Second directional coupler 12 second outfan 12d connect phase shifter 21 and export, finally in the outfan of this phase shifter 21
Obtain ∠ -180 ° of signal 1/4, that is, final OUT1 output signal is 0 ° of 1/4 ∠, ∠ -180 ° of OUT3 output signal 1/4.
First directional coupler 11 second outfan 11d gained signal 1/2 ∠ -90 ° through the 3rd directional coupler 13
Second input 13b flows into the 3rd directional coupler 13, and obtains signal in the first outfan 13c of the 3rd directional coupler 13
1/4 ∠ -180 °, obtain ∠ -90 ° of signal 1/4 in the second outfan 13d, ∠ -180 ° of signal 1/4 again through and the 3rd directional couple
Device 13 first outfan 13c connect phase shifter 22 and export, finally the outfan in this phase shifter 22 obtain signal 1/4 ∠-
270 °, that is, final OUT2 output signal be 1/4 ∠ -270 °, OUT4 output signal be 1/4 ∠ -90 °.
Therefore, if radiofrequency signal inputs from first input port IN1 of this Butler matrixing network 100, defeated at four
The signal that exit port obtains be respectively 0 ° of 1/4 ∠ (OUT1), 1/4 ∠ -270 ° (OUT2), 1/4 ∠ -180 ° (OUT3) and 1/4 ∠ -
90°(OUT4).It is the principles of a cycle according to 360 ° of electromagnetic wave, OUT1 output signal can be regarded as 1/4 ∠ -360 °.Thus
Constant amplitude can be formed between four output ports, phase contrast is+90 ° of width distributed mutually.
When radiofrequency signal is from the second input port IN2 of this Butler matrixing network 100, namely the first directional coupler 12
The second input 12b input when, obtain ∠ -90 ° of signal 1/2 in the first outfan 11c of the first directional coupler 11, second
Outfan 11d obtains 0 ° of signal 1/2 ∠.
∠ -90 ° of the signal 1/2 that first outfan 11c of the first directional coupler 11 obtains is through the second directional coupler
12 first input end 12a flows into the second directional coupler 12, and at the first outfan 12c of the second directional coupler 12
To ∠ -90 ° of signal 1/4, at the second outfan 12d, obtain ∠ -180 ° of signal 1/4, the second outfan 12d gained signal is again through moving
Phase device 21 exports, and finally the outfan in the phase shifter 21 obtains ∠ -270 ° of signal 1/4, that is, final OUT1 output signal 1/4 ∠ -
90 °, ∠ -270 ° of OUT3 output signal 1/4.
0 ° of signal 1/2 ∠ that second outfan 11d of the first directional coupler 11 obtains is through the 3rd directional coupler 13
The second input 13b flow into the 3rd directional coupler 13, and obtain letter in the first outfan 13c of the 3rd directional coupler 13
Number 1/4 ∠ -90 °, obtain 0 ° of signal 1/4 ∠ at the second outfan 13d, the signal of the wherein first outfan 13c is again through phase shift
Device 22 and export so that obtaining ∠ -180 ° of signal 1/4 at the phase shifter 22, i.e. final ∠ -180 ° of OUT2 output signal 1/4, OUT4
0 ° of output signal 1/4 ∠.That is, the output signal of four outfans be respectively 1/4 ∠ -90 ° (OUT1), 1/4 ∠ -180 °
(OUT2)、1/4∠-270°(OUT3)、1/4∠-360°(OUT4).Constant amplitude, phase so can be formed between four output ports
Potential difference is -90 ° of width distributed mutually.
When radiofrequency signal is from the input 3a (i.e. the 3rd input port IN3 of this Butler matrixing network 100) of power splitter 3
During input, signal obtains the radiofrequency signal 1/2 of two constant amplitude homophases by power splitter 3 and in power splitter 3 two outfans 3b, 3c
∠0°.
0 ° of one of signal 1/2 ∠ at power splitter 3 output port is by the second input of the second directional coupler 12
End 12b flow into the second directional coupler 12, and the first outfan 12c of the second directional coupler 12 obtain signal 1/4 ∠-
90 °, obtain 0 ° of signal 1/4 ∠ in the second outfan 12d, and the second outfan 12d gained signal is again through the phase shifter 21
Export so that phase shifter 21 output obtains ∠ -90 ° of signal 1/4, i.e. final ∠ -90 ° of OUT1 output signal 1/4, OUT3 is defeated
Go out ∠ -90 ° of signal 1/4.
0 ° of another signal 1/2 ∠ at power splitter 3 output port passes through the first input end of the 3rd directional coupler 13
13a flows into the 3rd directional coupler 13, and obtains 0 ° of signal 1/4 ∠ in the first outfan 13c of the 3rd directional coupler 13, the
Two outfan 13d obtain ∠ -90 ° of signal 1/4, and wherein 0 ° of shifted device 22 of signal 1/4 ∠ exports and makes in the phase shifter 22
Output obtains ∠ -90 ° of signal 1/4, i.e. final ∠ -90 ° of OUT2 output signal 1/4, ∠ -90 ° of OUT4 output signal 1/4.
Thus, when when radiofrequency signal, the 3rd input port IN3 through this Butler matrixing network 100 inputs, four outputs
Port obtains the width distributed mutually (signal of four output ports output be 1/4 ∠ -90 °) of constant amplitude homophase.
In sum, when the Butler matrixing network 100 of the present embodiment is connected with four aerial arrays (matrixing network
Four output ports and four aerial arrays connect one to one), form 3 kinds of different beam position sides in three input ports
Xiang Tu, as shown in Figure 7.
The Butler matrixing network 100 of the present embodiment in three input port input radio frequency signals, in four outfans
Mouth exports four tunnel constant amplitudes and phase place becomes the forward signal that tolerance is 90 °, four tunnel constant amplitudes and phase place to become the reverse letter that tolerance is -90 °
Number and four tunnel constant amplitude homophases signal.
In the present embodiment, the mentality of designing of this Butler matrixing network is simple and ingenious, smaller, stable performance and
And concordance is good.
Preferably, the directional coupler that described first directional coupler 11 distributes for 3dB constant power.
Further it is contemplated that decay in transmitting procedure for the radiofrequency signal, for making the radio frequency of whole output ports outputs
Signal keeps constant amplitude, and second, third directional coupler 12,13 described can be the directional coupler of unequal power distribution, and makes
The power of an outfan being connected with the phase shifter 21,22 is more than the power of another outfan.In the present embodiment, second is fixed
It is more than the power of its first outfan 12c, the 3rd directional coupler 13 to the output of the second outfan 12d of bonder 12
The first outfan 13c output be more than its second outfan 13d output.
Above-mentioned each directional coupler 11,12,13 can using branch line directional coupler, oriented coupler of coupler wire (such as
Parallel coupled line directional coupler) or other design forms such as Small aperture coupling, the double T of coupling directional coupler.Each directional couple
Device can be constituted using coaxial line, rectangular waveguide, circular waveguide, strip line or microstrip line.
In other embodiments, Butler matrixing network 100 is in three input port IN1～IN3 input radio frequency signal
When, export four tunnel constant amplitudes in four output port OUT1～OUT4 and have dephased forward signal, four tunnel constant amplitudes and and having
Dephased reverse signal and the signal of four tunnel constant amplitude homophases, wherein, four tunnel forward signals and four road reverse signals one a pair
Should, and between corresponding each two signal, there is identical phase contrast.Based on this, can be by those skilled in the art according to phase place
Difference demand allots specific Wave-packet shaping network from corresponding directional coupler, phase shifter group.
Embodiment 2
Fig. 3 shows a kind of 3 × 5 Butler matrixing network 100, has three input ports and five output ports,
Its structure is similar with embodiment 1, and difference is, including two power splitters 3, for ease of difference, definition offer the 3rd is defeated
One power splitter of inbound port IN3 is the first power splitter 31, and another power splitter is the second power splitter 32.As understood above, the
The input of one power splitter 31 as the 3rd input port IN3, the input of two outfan and second, third directional coupler
End connects.The input 32 of the second power splitter 32 is connected with the first outfan 12c of the second directional coupler 12, will be original
First output port OUT1 is divided into two output port OUT1 and OUT5 to carry out signal output, that is, in original four output ports
On the basis of increase a 5th output port OUT5.
In other embodiments, more power splitters 3 can also be included, except providing one of the 3rd input port IN3 the
One power splitter (i.e. the first power splitter 31) other power splitters (i.e. the second power splitter 32) outward, the outfan with the phase shifter 21,22
Connect, or the second outfan 13d of the first outfan 12c with the second directional coupler 12, the 3rd directional coupler 13 is even
Connect, or the outfan of phase shifter 21,22 outfans and second, third directional coupler 12,13 has all been connected with power splitter 32
Connect, so that more output ports are expanded on the basis of original multiple output ports by the second different power splitters 32, from
And it is applied to the antenna with more antennas subarray.
Embodiment 3
Fig. 4～Fig. 6 shows a kind of dual polarization three beam antenna 1000, including reflecting plate 400, on reflecting plate 400
Four sub-array antennas 301,302,303 work(consistent with sub-array antenna quantity with 304 divide phase shift feeding network 201,
202nd, 203 and 204 (referring to Fig. 5 and Fig. 6, because work(divides the structure of phase shift feeding network identical, for illustrating conveniently, 202,203,
204 not exclusively draw) and two embodiments 1 in Butler matrixing network 100 and 100 '.
In the present embodiment, each described sub-array antenna includes six antenna radiation units, and such as 301, including antenna
Radiating element 301b～301g, and six antenna radiation units are dual polarization antenna radiation unit, and each radiating element is equal
The work(being each connected to divides phase shift feeding network port (i.e. work(divides the outfan of phase shift feeding network) that is to say, that described work(
Phase shift feeding network is divided to have at least six outfans, the work(than as shown in Figure 5 one point six divides phase shift feeding network, and this work(divides
Phase shift feeding network 201 has input 201a and six outfan 201b～201g, wherein, outfan 201b～201g and spoke
Penetrate unit 301b～301g to connect one to one.
Incorporated by reference to Fig. 6, described two Butler matrixing networks 100 are identical with 100 ' structure, are respectively used to two differences
Polarization (such as+45 ° and -45 ° of linear polarizations).Described work(divides phase shift feeding network 201～204 all can support two are polarized
Antenna radiation unit feed simultaneously, that is, work(divide the input 201a of phase shift feeding network (such as 201) simultaneously with Butler square
Battle array network 100 OUT1 and Butler matrixing network 100 ' OUT1 ' connect, in the same manner, work(divide phase shift feeding network 202,
203rd, 204 are connected with two Butler matrixing networks 100,100 ' corresponding output ports.
In other embodiments, each subarray 301,302,303 and 304 of this dual polarization three beam antenna 1000
The number of radiating element can be adjusted by different gains demand.Corresponding with this, work(divide phase shift feeding network output port and
Its coupling branch road is suitably adjusted (such as increasing output port) and is thought that radiating element feeds.
Preferably, the array pitch of two neighboring subarray 301,302,303 and 304 is selected from working frequency range center frequency point
0.5～1.2 times of wavelength.
Preferably, the spacing of each two adjacent radiation unit in same subarray is selected from working frequency range center frequency point
0.7～1.3 times of wavelength.
Further, two neighboring subarray 301,302,303 and 304 mutual dislocation setting, usually chooses same son
In array, 0.5 times of two neighboring radiating element spacing enters line misregistration.
This dual polarization three beam antenna 1000 divides phase shift feeding network 201,202,203,204 all to have electricity in each of which work(
Dual polarization three wave beam independence electrical tilt antenna is constituted during the function of adjusting phase shift.
The quantity of this dual polarization three beam antenna its subarray also expansible, is adapted to this, need to be by different outputs
Port power splitter extends to the output port consistent with submatrix number of columns, so that radiation.
Dual polarization of the present utility model three beam antenna illustrated above.When radiating element is not dual-polarization radiating unit,
Described three beam antennas are common three beam antennas.Now, described Wave-packet shaping network only needs to one.
Embodiment 4
In the present embodiment, this utility model provides a kind of input structure of Wave-packet shaping network, including：At least two
Couple input waits work(to divide input with least one；Described two couple input include being configurable for becoming for this wave beam
L network inputs first input port and second input port of two paths of signals, so that two paths of signals is in this Wave-packet shaping network
Form, under constant power distribution coupling, first, second wave beam being respectively provided with phase contrast respectively；The work(such as described divides input, is configured to
For inputting the 3rd road signal for this Wave-packet shaping network, so that the 3rd road signal divides in the constant power of this Wave-packet shaping network
Join coupling equiphase 3rd wave beam of lower formation.
Using the antenna of the Wave-packet shaping network with above input structure, can be in different input port input radio frequencies
Form different phase configuration in different output port, thus forming multiple different beam positions during signal.
Additionally, this utility model further relates to a kind of input output method of Wave-packet shaping network, comprise the following steps：
A () first via signal of telecommunication of input is coupled and phase modulation is processed, and exports four tunnel forward direction output signals, described
The phase place of four tunnel forward direction output signals becomes the ascending series that tolerance is a；
B () the second road signal of telecommunication of input is coupled and phase modulation is processed, and exports the reverse output signal in four tunnels, described
The phase place of the reverse output signal in four tunnels becomes the decreasing sequence of numbers that tolerance is b；
C the two-way that is divided into of the 3rd road signal of telecommunication inputting is exported the equal shunting signal of telecommunication by (), and to described shunting
The signal of telecommunication is coupled, and output four tunnel phase places become the signal of the arithmetic progression that tolerance is zero.
Wherein, described coupling and phase modulation process and include coupling processing and phase shift process, and every road is inputted by described coupling processing
Coupling electrical signals go out four road signals；Described phase shift processes and carries out phase shift at least one road signal in four road signals being coupled out
And export, so that at four output ports of Wave-packet shaping network, the phase place of the signal of output becomes arithmetic progression to be distributed.
Specifically, described coupling processing includes the first coupling processing and the second coupling processing, and described first coupling processing will
The signal of telecommunication constant power of input is distributively coupled out two-way coupled signal, and the second coupling processing is respectively to the first coupling processing gained
Two-way coupled signal carry out coupling processing, and export four road signals.
In other embodiments, four tunnel forward signals first via Electric signal processing being formed have phase contrast, described
Phase contrast can be the tolerance of arithmetic progression, be not also fixed value；In the same manner, anti-to four tunnels of the second road Electric signal processing output
To signal, also there is phase contrast.
Sum it up, adopting this input output method, a kind of wave beam network of multiple-input and multiple-output, this wave beam can be formed
Network forms different phase configuration in different input port input radio frequency signals in different output port, thus being formed many
Individual different beam position.
The above is only some embodiments of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (11)
1. a kind of Wave-packet shaping network is it is characterised in that include：First directional coupler, the second directional coupler, the 3rd orientation
Bonder, the first power splitter and at least one phase shifter, the outfan of described first directional coupler orients coupling with second respectively
The input of clutch and the 3rd directional coupler connects, the outfan of described first power splitter respectively with the second directional coupler and
The input of the 3rd directional coupler connects；
The signal of telecommunication inputs via the first directional coupler and the first power splitter respectively, and respectively by the second directional coupler and the 3rd
The outfan of directional coupler exports and/or exports to the described phase shifter, and the described phase shifter, at least one was connected to second calmly
To on an outfan of bonder and/or the 3rd directional coupler.
2. Wave-packet shaping network according to claim 1 is it is characterised in that each directional coupler is respectively provided with first,
Two inputs and first, second outfan；The of first outfan of the first directional coupler and described second directional coupler
One input connects, and the second outfan of the first directional coupler is connected with the second input of the 3rd directional coupler；Described
Second input of two output ports of the first power splitter and the second directional coupler, the first input of the 3rd directional coupler
End connects one to one, the second outfan of the second directional coupler, each connection one of the first outfan of the 3rd directional coupler
The individual described phase shifter.
3. Wave-packet shaping network according to claim 2 is it is characterised in that further include the outfan with the phase shifter
And/or multiple second work(that second first outfan of directional coupler, the second outfan of the 3rd directional coupler connect divide
Device.
4. Wave-packet shaping network according to claim 2 is it is characterised in that each described directional coupler is two outputs
End has the directional coupler of 90 ° of phase contrasts.
5. Wave-packet shaping network according to claim 4 is it is characterised in that described first directional coupler is the work(such as 3dB
The directional coupler of rate distribution, the directional coupler that second, third directional coupler described distributes for unequal power.
6. Wave-packet shaping network according to claim 2 is it is characterised in that each phase shifter phase place of all introducing 90 ° is prolonged
Late.
7. a kind of three beam antennas, divide shifting including reflecting plate, the aerial array on reflecting plate, the work(for aerial array feed
The Wave-packet shaping network that the input that phase feeding network and its outfan divide phase shift feeding network with work(is connected, described antenna array
Row include multiple subarrays, and each subarray includes multiple radiating elements；Described work(divides number and the submatrix of phase shift feeding network
The columns of row is consistent, and each work(divides phase shift feeding network to be respectively provided with an input and multiple outfan；It is characterized in that, described
Wave-packet shaping network is the Wave-packet shaping network described in any one of claim 1 to 6, the output port number of this Wave-packet shaping network
Amount is consistent with the submatrix column number of aerial array, and multiple output ports of Wave-packet shaping network divide phase shift to feed with multiple work(
The input of network connects one to one, and each described work(divides multiple outfans of phase shift feeding network and the many of a subarray
Individual radiating element connects one to one.
8. three beam antennas according to claim 7 are it is characterised in that each described radiating element is dual polarised radiation list
Unit, the quantity at least two of described Wave-packet shaping network, described two Wave-packet shaping networks are respectively used to two different poles
Change, each work(divides input and each corresponding outfan connection of two Wave-packet shaping networks of phase shift feeding network.
9. three beam antennas according to claim 7 or 8 are it is characterised in that the spacing of two neighboring subarray is selected from work
Make 0.5～1.2 times of wavelength of frequency range center frequency point, in same subarray, the spacing of two neighboring radiating element is selected from work
0.7～1.3 times of wavelength of frequency range center frequency point.
10. three beam antennas according to claim 9 are it is characterised in that the setting of two neighboring subarray mutual dislocation, wrong
Column pitch is in same subarray 0.5 times of spacing between two neighboring radiating element.
A kind of 11. input structures of Wave-packet shaping network are it is characterised in that include：
At least two couple input wait work(to divide input with least one；
Described two couple input include being configurable for inputting the first input of two paths of signals for this Wave-packet shaping network
Port and the second input port, so that two paths of signals is formed under the constant power distribution coupling of this Wave-packet shaping network respectively all have
Dephased first, second wave beam；
The work(such as described divides input, is configurable for inputting the 3rd road signal for this Wave-packet shaping network, so that the 3rd tunnel
Signal forms equiphase 3rd wave beam under the constant power distribution coupling of this Wave-packet shaping network.
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| CN201621074104.8U CN206003971U (en) | 2016-09-22 | 2016-09-22 | Wave-packet shaping network and its input structure, three beam antennas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602265A (en) * | 2016-09-22 | 2017-04-26 | 京信通信技术(广州)有限公司 | Wave beam forming network, input structure thereof, input/output method of wave beam forming network, and three-beam antenna |
| WO2023274159A1 (en) * | 2021-07-02 | 2023-01-05 | 中兴通讯股份有限公司 | Antenna apparatus and base station antenna |
-
2016
- 2016-09-22 CN CN201621074104.8U patent/CN206003971U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602265A (en) * | 2016-09-22 | 2017-04-26 | 京信通信技术(广州)有限公司 | Wave beam forming network, input structure thereof, input/output method of wave beam forming network, and three-beam antenna |
| CN106602265B (en) * | 2016-09-22 | 2023-08-22 | 京信通信技术(广州)有限公司 | Beam forming network and input structure, input and output method and three-beam antenna thereof |
| WO2023274159A1 (en) * | 2021-07-02 | 2023-01-05 | 中兴通讯股份有限公司 | Antenna apparatus and base station antenna |
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Effective date of registration: 20200122 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Co-patentee before: Comba Telecom System (China) Ltd. Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |