CN106921011A - A kind of phase shifter and antenna - Google Patents
A kind of phase shifter and antenna Download PDFInfo
- Publication number
- CN106921011A CN106921011A CN201510999449.8A CN201510999449A CN106921011A CN 106921011 A CN106921011 A CN 106921011A CN 201510999449 A CN201510999449 A CN 201510999449A CN 106921011 A CN106921011 A CN 106921011A
- Authority
- CN
- China
- Prior art keywords
- band line
- phase
- phase shift
- phase shifter
- slip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/184—Strip line phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The embodiment of the present invention provides a kind of phase shifter and antenna, is related to the communications field, and enabling to the phase of signal will not change because of the relative motion between slip band line and fixing band line, improve the effect of phase shifter.The phase shifter includes input port, and fixing band line, slip band line, at least one phase shift minor matters, each phase shift minor matters are connected with two the first output ports；Compensation medium, compensation medium is overlapped when slip band line is slided relative to fixing band line with slip stripline portions, for changing the effective dielectric constant with the slip band line of compensation medium overlapping part；When slip band line is in the first direction or when second direction is slided relative to fixing band line, equal in magnitude, and the opposite in phase of the first phase shift of signal and the second phase shift of signal.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of phase shifter and antenna.
Background technology
In a communications system, the array that antenna is made up of a certain number of antenna element, actually should
In, in order to realize the coverage optimization to cellular cell wireless signal, the greatest irradiation direction of antenna is
Need what is changed according to demand, and the method for changing the greatest irradiation direction of antenna is exactly that change is presented in day
The phase of the electromagnetic wave of each antenna element in linear array so that have one in array between each antenna element
Fixed phase difference, the device for realizing the phase place change of this electromagnetic wave is exactly phase shifter.Existing phase shift
Device is broadly divided into two types：The first be by change the effective dielectric constant of signal transmission path come
Realize phase shift；Second is to realize phase shift by changing the length of signal transmission path.It is common,
Due to that can there is certain tolerance, therefore its phase to signal generation in actual production in the first phase shifter
The precision of shifting is less than second phase shifter.
In above-mentioned second phase shifter, phase shifter is to change signal by sliding main feeder band movable slider
The length of transmission path realizes phase shift.Slided in some phase shifters (such as linear pattern phase shifter)
During main feeder, the length of main feeder changes, the distance that signal is propagated in main feeder
It is change, therefore signal generates phase shift in main feeder, so as to have impact on the effect of phase shifter.
The content of the invention
The embodiment of the present invention provides a kind of phase shifter and antenna, enables to the phase of signal will not be because of
Relative motion between slip band line and fixing band line and change, improve the effect of phase shifter.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
In a first aspect, the embodiment of the present invention provides a kind of phase shifter, including input port, it is defeated with described
The fixing band line of incoming interface connection, the slip band line being connected with the fixing band line, with the slip band
At least one phase shift minor matters of line connection, wherein, the slip band line is slided relative to the fixing band line
Dynamic, each described phase shift minor matters is connected with two the first output ports；The phase shifter also includes：
Compensation medium, the compensation medium is when the slip band line is slided relative to the fixing band line
Overlapped with the slip stripline portions, for changing the slip with the compensation medium overlapping part
Effective dielectric constant with line；
Wherein, when the slip band line along the first direction or the second direction relative to described
When fixing band line is slided, the size phase of the first phase shift of the signal and the second phase shift of the signal
Deng and opposite in phase, first phase shift is slided for the slip band line relative to the fixing band line
The phase shift that the distance of Shi Bianhua is produced to the signal；Second phase shift is that the slip band line is relative
When the fixing band line is slided in the changing unit of the overlapping part compensation medium dielectric constant
The phase shift produced to the signal.
In phase shifter provided in an embodiment of the present invention, due to the addition of compensation medium in phase shifter, mend
Repay medium for change it is normal with effective dielectric of the slip band line of the compensation medium overlapping part
Number, therefore, when the slip band line is slided relative to the fixing band line, the first of the signal
Phase shift and the second phase shift of the signal it is equal in magnitude, and opposite in phase, i.e. slip band line relative to
The phase shift that the distance that fixing band line changes when sliding is produced to signal is with slip band line relative to fixing band
The phase shift that the dielectric constant of compensation medium is produced to signal in the changing unit of overlapping part when line is slided
Cancel out each other so that the phase of signal will not be because of the relative motion between slip band line and fixing band line
Change, improve the effect of phase shifter.
Further, the phase shifter also includes：
The second output port being connected with the fixing band line, wherein, the signal is from the input
Mouth input, via a part of fixing band line, from second output port output, the signal
The distance of propagation is fixed value.
In phase shifter provided in an embodiment of the present invention, if phase shifter includes what is be connected with the fixing band line
Second output port, wherein, the signal is input into from the input port, via a part of described solid
Fixed band line, from second output port output, the distance that the signal is propagated is fixed value, therefore,
The phase of the second output port does not occur when the slip band line is slided relative to the fixing band line
Phase shift, the second output port is zero phase port.
In the first possible implementation, the phase shift minor matters are slow-wave structure.
In second possible implementation, the phase shifter also includes：
The media units at least one phase shift minor matters are arranged on, for changing the phase shift minor matters
Effective dielectric constant.
In phase shifter provided in an embodiment of the present invention, phase shift minor matters can be slow-wave structure, it is also possible to
Set media units in phase shift minor matters to change the effective dielectric constant of the phase shift minor matters, so as to reach
Make the purpose that there is phase difference between each delivery outlet.
Further, if the phase shifter includes phase shift minor matters described at least two, at least two institutes
State homonymy or heteropleural of the phase shift minor matters positioned at the slip band line.
In phase shifter provided in an embodiment of the present invention, can be according to actual phase shifter size, to phase shift
The arrangement of device inside phase shift minor matters is designed.
Further, the phase shifter also includes：
The line being connected with the input port, first output port and second output port
Cable.
Further, the phase shifter also includes：
It is arranged at the fixing band line, the slip band line, the phase shift minor matters and the compensation medium
Outside, for fixing or installing the fixing band line, the slip band line, the phase shift minor matters
With the cavity of the compensation medium.
Further, the connected mode between the fixing band line and the slip band line is electrically connected to couple
Connect or directly contact electrical connection；Connection between the slip band line and phase shift minor matters described at least one
Mode is coupling electrical connection or directly contact electrical connection.
Second aspect, the embodiment of the present invention provides a kind of antenna, including with appointing described in first aspect
The phase shifter of feature of anticipating, and at least one antenna element being connected with the phase shifter.
The technique effect of antenna provided in an embodiment of the present invention may refer to phase shift in above-mentioned first aspect
The technique effect of device, here is omitted.
Further, the phase shifter is by antenna described in the cable and at least one in the phase shifter
Unit is connected.
The embodiment of the present invention provides a kind of phase shifter and antenna, and phase shifter includes input port, with input
Interface connection fixing band line, the slip band line being connected with fixing band line, be connected with slip band line to
Few phase shift minor matters, wherein, slip band line is slided relative to fixing band line, each phase shift minor matters with
Two the first output ports are connected；Phase shifter also includes：Compensation medium, compensation medium is in slip band
Overlapped with slip stripline portions when line is slided relative to fixing band line, overlapped with compensation medium for changing
The effective dielectric constant of partial slip band line；Wherein, when slip band line in the first direction or second
When direction is slided relative to fixing band line, the size phase of the first phase shift of signal and the second phase shift of signal
Deng, and opposite in phase, the first phase shift is the distance changed when slip band line is slided relative to fixing band line
The phase shift produced to signal；Second phase shift is overlapping part when slip band line is slided relative to fixing band line
Changing unit in compensation medium the phase shift that is produced to signal of dielectric constant.
Description based on above-described embodiment, due to the addition of compensation medium, compensation medium in phase shifter
For changing the effective dielectric constant with the slip band line of the compensation medium overlapping part, because
This, when the slip band line is slided relative to the fixing band line, the first phase shift of the signal and
Equal in magnitude, and the opposite in phase of the second phase shift of the signal, i.e. slip band line is relative to fixing band
The phase shift that the distance that line changes when sliding is produced to signal is slided with slip band line relative to fixing band line
When overlapping part changing unit in the dielectric constant of compensation medium the phase shift that signal is produced mutually is supported
Disappear so that the phase of signal will not change because of the relative motion between slip band line and fixing band line
Become, improve the effect of phase shifter.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it should be apparent that,
Drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art
For, on the premise of not paying creative work, can also obtain other attached according to these accompanying drawings
Figure.
Fig. 1 is the position relationship of adjacent antenna units in a kind of linear array provided in an embodiment of the present invention
Schematic diagram；
Fig. 2 is phase shifter in the prior art by changing the length of signal transmission path to realize phase shift
Structural representation one；
Fig. 3 is phase shifter in the prior art by changing the length of signal transmission path to realize phase shift
Structural representation two；
Fig. 4 is a kind of structural representation one of phase shifter provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation two of phase shifter provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation three of phase shifter provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation four of phase shifter provided in an embodiment of the present invention；
Fig. 8 is a kind of structural representation five of phase shifter provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation six of phase shifter provided in an embodiment of the present invention；
Figure 10 is a kind of structural representation seven of phase shifter provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention,
Rather than whole embodiments.
Phase shifter described in the embodiment of the present invention can be used in various antenna for base station, and antenna is by certain
The array of the antenna element composition of number, the method for changing the greatest irradiation direction of antenna is exactly to change feedback
The phase of the electromagnetic wave of each antenna element in aerial array.Common aerial array includes line array
Row, broad side array, end-fire array etc., the phase difference in aerial array between adjacent antenna units is usual
It is equal.Exemplary, as shown in figure 1, being a kind of linear array provided in an embodiment of the present invention
The position relationship schematic diagram of middle adjacent antenna units.The linear array includes 5 antenna elements (as schemed
A, B, C, D and E shown in 1), 5 antenna elements are placed along same straight line, are led to
Often, antenna element C is zero phase antenna element, during phase shifter phase shift, antenna element C
All the time the phase difference of phase shift, antenna element B and antenna element D and antenna element C is not produced to be θ,
Phase difference between antenna element A and antenna element B is θ, antenna element D and antenna element E
Between phase difference also be θ, wherein, the value of θ can become during phase shifter phase shift
Change.
It is existing to realize that the structure of the phase shifter of phase shift is shown by changing the length of signal transmission path
Be intended to as shown in Figures 2 and 3, wherein, the phase shifter include 3 output ports, input port,
The main feeder 10 electrically connected with input port；The sliding block 11 electrically connected with main feeder 10, and set
Can be slided along straight line is relative between sliding block 11 and main feeder 10；The phase shift electrically connected with sliding block 11
Minor matters 12, when sliding block 11 is along linear slide, sliding block 11 keeps being slidably connected with phase shift minor matters 12,
And two output port (output ends as shown in Figure 2 in phase shift minor matters 12 and 3 output ports
Mouth 2 and output port 3) electrical connection, media units wherein are provided with phase shift minor matters 12, to increase
The amount of phase shift that big each phase shift minor matters are produced to signal, meanwhile, another in 3 output ports is defeated
The distance between exit port (output port 1 as shown in Figure 2) and input port be it is fixed, i.e.,
Output port 1 is zero phase port.When sliding block 11 is along linear slide, such as the arrow institute in Fig. 3
Show, the length of main feeder 10 diminishes compared with the length of main feeder in Fig. 2 10.Because signal is in feedback
The path passed through in line is more long, and phase is more delayed, therefore, the same signal of phase shifter is input into figure
Phase in 2 and Fig. 3 into sliding block 11 is different, causes output port 2 and output port 1
Between phase difference, with the phase difference between output port 3 and output port 1, have impact on shifting
The effect of phase device.
A kind of phase shifter is the embodiment of the invention provides, enables to the phase of signal will not be because of slip
Changed with the relative motion between line and fixing band line, overcome signal and shifting is produced in main feeder
The problem of phase, improves the effect of phase shifter.
It should be noted that for convenience and more fully understanding the technical side of the embodiment of the present invention
Case, following embodiments of the invention are to be with the phase difference between adjacent antenna units in aerial array
It is equal to illustrate, it is to be understood that the phase in aerial array between adjacent antenna units
Potential difference can be adjusted according to actual needs, not necessarily equal, and the present invention is not limited.
The terms "and/or", only it is a kind of describe affiliated partner incidence relation, expression can
There are three kinds of relations, for example, A and/or B, can represent：Individualism A, while there is A
And B, individualism B these three situations.In addition, character "/" herein, before and after typicallying represent
Affiliated partner is a kind of relation of "or".
The embodiment of the present invention provides a kind of phase shifter, as shown in figure 4, phase shifter includes input port
20 and (the indicated packless line in such as 4 in figure of fixing band line 21 of the connection of input interface 20
Frame), the slip band line 22 that is connected with fixing band line 21 (indicated filled black in such as 4 in figure
Wire frame), at least one phase shift minor matters 23 being connected with slip band line 22, wherein, slip band line
22 in the first direction or second direction is slided relative to fixing band line 21, each phase shift minor matters 23
It is connected with two the first output ports 24, signal is input into from input port 20, via fixing band line
21st, slip band line 22 and phase shift minor matters 23, export from each first output port 24；Phase shifter
Also include：
Compensation medium 25, compensation medium 25 is when slip band line 22 is slided relative to fixing band line 21
It is overlapping with the part of slip band line 22, for changing and the slip band line of the overlapping part of compensation medium 25
Effective dielectric constant.
Wherein, when slip band line 22 in the first direction or second direction is slided relative to fixing band line 21
When dynamic, equal in magnitude, and the opposite in phase, first of the first phase shift of signal and the second phase shift of signal
Phase shift is the phase that the distance changed when slip band line 22 is slided relative to fixing band line 21 is produced to signal
Move；Second phase shift is the change section of overlapping part when slip band line 22 is slided relative to fixing band line 21
The phase shift that the dielectric constant of compensation medium is produced to signal in point.
It should be noted that the first direction and second direction described by the embodiment of the present invention are this hair
Bright a kind of implementation, it is to be understood that slip band line 22 is slided relative to fixing band line 21
It is not limited in the first direction or second direction is slided.Wherein, first direction is such as Fig. 4 reclaimed waters
Flat direction to the left, second direction is such as level direction to the right in Fig. 4；Or first direction be as
Level direction to the right in Fig. 4, second direction is such as level direction to the left in Fig. 4.Work as slip band
Line 22 is when level direction to the right is moved along such as Fig. 4, as shown in figure 5, the length of slip band line 22
Spend the first phase shift of reduction, the overlapping area increase of slip band line 22 and compensation medium 25, and signal
It is equal in magnitude with the second phase shift of signal, and opposite in phase, the first phase shift is the phase of slip band line 22
The phase shift that the distance changed when being slided for fixing band line 21 is produced to signal；Second phase shift is slip
When being slided relative to fixing band line 21 with line 22 in the changing unit of overlapping part compensation medium dielectric
The phase shift that constant is produced to signal.Change when i.e. slip band line 22 is slided relative to fixing band line 21
The overlapping part when phase shift that distance is produced to signal is slided with slip band line 22 relative to fixing band line 21
Changing unit in the dielectric constant of compensation medium the phase shift that signal is produced is cancelled out each other so that signal
Phase will not be changed because of the relative motion between slip band line and fixing band line, improve shifting
The effect of phase device.
Also, it should be noted that compensation medium 25 can be arranged at phase shift described by the embodiment of the present invention
First area and/or second area in device, wherein, as shown in figure 4, first area is slip band line
22 lower zone, second area is the upper area of slip band line 22；Or first area is cunning
The dynamic upper area with line 22, second area is the lower zone of slip band line 22.And first area
It is complete when slip band line 22 can not be slided relative to fixing band line 21 with slip band line 22 with second area
Full weight is folded.When the slip band line 22 of phase shifter slides into the leftmost side as shown in Figure 4, slip band line
22 can intersect with compensation medium 25 on locus, but in the absence of overlapping；In the cunning of phase shifter
Dynamic when sliding into the rightmost side as shown in Figure 4 with line 22, the slip band line 22 of the rightmost side can't exceed
The scope of compensation medium 25.
Further, as shown in fig. 6, phase shifter also includes：
The second output port 26 being connected with fixing band line 21, wherein, signal is from input port 20
Input, via a part of fixing band line 21, exported from the second output port 26, signal propagate away from
From being fixed value.
As seen from Figure 6, the second output port 26 be to the distance of input port 20 it is fixed,
Therefore the phase that signal is exported from the second output port 26 is fixed.Therefore, the second output port
26 may be considered zero phase port.And the first phase shift of signal and the second phase shift of signal is big
It is small equal, and opposite in phase, thereby it is ensured that be connected with same phase shift minor matters 23 two
The phase of the signal that the phase of the signal of the individual output of first output port 24 is exported with the second output port 26
The absolute value of the difference of position is equal.
Further, phase shift minor matters are slow-wave structure, for increasing the shifting that phase shift minor matters are produced to signal
Phasor.Wherein, slow-wave structure can be helical line slow-wave structure or serpentine slow-wave structure, this hair
It is bright not to be limited.
It is understood that by changing the groove such as Fig. 4, Fig. 5 and Fig. 6 middle polyline type slow-wave structure
Wide and groove depth, it is possible to achieve the different phase shift ratio of phase shifter.
Further, phase shifter also includes：
The media units at least one phase shift minor matters are arranged on, effective Jie for changing phase shift minor matters
Electric constant.
Similarly, media units are set by phase shift minor matters, can vary in having for phase shift minor matters
Effect dielectric constant, and then realize the different phase shift ratio of phase shifter.
Further, two phase shift minor matters of phase shifter are located at slip band line in Fig. 4, Fig. 5 and Fig. 6
Homonymy, certainly, as shown in fig. 7, two phase shift minor matters of phase shifter may be located on slip band line
Heteropleural.
Further, phase shifter also includes：
The cable being connected with input port, the first output port and the second output port.
Further, phase shifter also includes：
It is arranged at fixing band line 21, slip band line 22, phase shift minor matters 23 and the outside of compensation medium 25
, for fix or install fixing band line 21, slip band line 22, phase shift minor matters 23 and compensation be situated between
The cavity 27 of matter 25.
It should be noted that connected mode between fixing band line and slip band line electrically connect couple or
Directly contact is electrically connected；Connected mode between slip band line and at least one phase shift minor matters is to couple electricity
Connection or directly contact electrical connection.Certainly, the connection between other structures provided in an embodiment of the present invention
Mode can also couple electrical connection or directly contact electrical connection.
Optionally, phase shifter provided in an embodiment of the present invention can be suspended mictrostrip phase shifter, also may be used
Think other kinds of phase shifter, the present invention is not limited.
Exemplary, by taking the phase shifter in Fig. 8 as an example, four the first output ports 24 are from left to right
It is followed successively by the first output port A, the first output port B, the first output port C and the first output end
Mouth D, the shifting to be reached of phase shifter is in a ratio of 1:2 (the i.e. outputs of the first output port B and first
The shifting of port A is in a ratio of 1:2).It is micro- that signal is passed to the suspension by input port 20 by cable
In band line phase shifter, by cable in the first output port 24 and the second output port 26 by different phases
On the signal feed antenna array element of position.When slip band line 22 is slided to the right along horizontal direction
When, the now distance increase of the output port of input port 20 to the first A and the first output port B,
The phase of the first output port A and the first output port B outputs is delayed；Input port 20 is arrived
The distance of the first output port C and the first output port D reduces, the first output port C and first
The phase of output port D outputs is advanced.In theory, during slip band line 22 is slided,
In same phase shift minor matters, signal is equal to letter from input port to a reduction amount for the distance of output port
Number from input port to the increase of the distance of another output port.First output port A and first
The power of output port D is equal；The power of the first output port B and the first output port C is equal.
Slip band line 22 slides identical apart from L, with the first output port A and the first output port D
In the phase shift minor matters 23 of connection change phase be with the first output port B and the first output port
2 times of the phase changed in the phase shift minor matters 23 of C connections, zero phase port (i.e. the second output end
26) phase in sliding process keeps constant to mouth.Therefore after sliding same distance L, phase shifter is defeated
The amount of phase shift of outlet is respectively：
First output port A：First output port B：Second output port：First output port C:
First output port D=-2：-1：0：1：2.Wherein, negative sign represents the letter of output port output
Number phase be delayed.
Similarly, when slip band line 22 is slided to the left along horizontal direction, input port is arrived
The distance of the first output port A and the first output port B reduces, the first output port A and first
The phase of output port B outputs is advanced；Input port is defeated to the first output port C and first
The distance of exit port D increases, and the phase of the first output port C and the first output port D outputs is
Delayed.After sliding same distance L, the amount of phase shift of phase shifter delivery outlet is respectively：
First output port A：First output port B：Second output port：First output port C:
First output port D=2：1：0：-1：-2.
Exemplary, by taking the phase shifter in Fig. 9 as an example, phase shifter includes three phase shift minor matters 23 altogether,
Six the first output ports 24 be followed successively by from left to right the first output port A, the first output port B,
First output port C, the first output port D, the first output port E and the first output port F,
The shifting to be reached of phase shifter is in a ratio of 1：2：3 (i.e. the first output port C and the first output ends
The shifting of mouth B and the first output port A is in a ratio of 1：2：3).Input port 20 will by cable
Signal is passed in the suspended mictrostrip phase shifter, by cable in the first output port 24 and second
Output port 26 is by the signal feed antenna array element of out of phase.When slip band line 22 along
When horizontal direction is slided to the right, now input port is to the first output port A, the first output end
The distance increase of mouth B and the first output port C, the first output port A, the first output port B
The phase exported with the first output port C is delayed；Input port is to the first output port D,
The distance of one output port E and the first output port F reduces, the first output port D, the first output
The phase of port E and the first output port F outputs is advanced.In theory, in slip band line 22
During slip, in same phase shift minor matters, signal is from input port to a distance for output port
Reduction amount be equal to signal from input port to the increase of the distance of another output port.First is defeated
The power of exit port A and the first output port F is equal；First output port B and the first output end
The power of mouth E is equal；The power of the first output port C and the first output port D is equal.Slide
Band line 22 slides identical apart from L, is connected with the first output port B and the first output port E
Phase shift minor matters 23 on the phase that changes be to connect with the first output port C and the first output port D
2 times of the phase changed in the phase shift minor matters 23 for connecing；Exported with the first output port A and first
The phase changed in the phase shift minor matters 23 of port F connections is defeated with the first output port C and first
3 times of the phase changed in the phase shift minor matters 23 of exit port D connections, zero phase port (i.e. second
Output port 26) phase keeps constant in sliding process.Therefore after sliding same distance L, move
The amount of phase shift of phase device delivery outlet is respectively：
First output port A：First output port B：First output port C：Second output port:
First output port D：First output port E：First output port F=-3：-2：-1：0：1：
2：3.Wherein, negative sign represents that the phase of the signal of output port output is delayed.
Similarly, when slip band line 22 is slided to the left along horizontal direction, input port is arrived
The distance of the first output port A, the first output port B and the first output port C reduces, and first is defeated
Exit port A, the first output port B and the phase of the first output port C outputs are advanced；Input
Port increases to the distance of the first output port D, the first output port E and the first output port F,
First output port D, the first output port E and the phase of the first output port F outputs are delayed.
After sliding same distance L, the amount of phase shift of phase shifter delivery outlet is respectively：
First output port A：First output port B：First output port C：Second output port:
First output port D：First output port E：First output port F=3：2：1：0：-1：
-2：-3.
Also, it should be noted that when phase shifter provided in an embodiment of the present invention is designed, can be according to reality
The phase shifter size on border, the arrangement to phase shifter inside phase shift minor matters is designed.As shown in Figure 10,
Multiple phase shift minor matters can be arranged in order setting.
The embodiment of the present invention provides a kind of phase shifter and antenna, and the phase shifter includes input port, and defeated
The fixing band line of incoming interface connection, the slip band line being connected with fixing band line is connected with slip band line
At least one phase shift minor matters, wherein, slip band line is slided relative to fixing band line, each phase shift minor matters
It is connected with two the first output ports；Phase shifter also includes：Compensation medium, compensation medium is being slided
Overlapped with slip stripline portions when band line is slided relative to fixing band line, handed over compensation medium for changing
The effective dielectric constant of the slip band line of folded part；Wherein, when slip band line in the first direction or
When two directions are slided relative to fixing band line, the size of the first phase shift of signal and the second phase shift of signal
It is equal, and opposite in phase, the first phase shift be change when slip band line is slided relative to fixing band line away from
From the phase shift produced to signal；Second phase shift is overlap when slip band line is slided relative to fixing band line
The phase shift that the dielectric constant of compensation medium is produced to signal in the changing unit divided.
Description based on above-described embodiment, due to the addition of compensation medium, compensation medium in phase shifter
For changing the effective dielectric constant with the slip band line of compensation medium overlapping part, therefore, work as slip
When band line is slided relative to fixing band line, the size phase of the first phase shift of signal and the second phase shift of signal
Deng, and the distance that opposite in phase, i.e. slip band line change when being slided relative to fixing band line produces to signal
Compensated in the changing unit of overlapping part when raw phase shift is slided with slip band line relative to fixing band line
The dielectric constant of medium is cancelled out each other to the phase shift that signal is produced so that the phase of signal will not be because of cunning
It is dynamic to be changed with the relative motion between line and fixing band line, improve the effect of phase shifter.
The embodiment of the present invention also provides a kind of antenna, including with it is above-mentioned as Fig. 4 to Figure 10 it is any it
Phase shifter shown in one, and at least one antenna element being connected with phase shifter.
Further, phase shifter is connected by the cable in phase shifter with least one antenna element.
It is right in the above-mentioned embodiment as shown in Fig. 4 to Figure 10 to be for details, reference can be made to for the description of phase shifter
The associated description of phase shifter, here is omitted.
Description based on above-described embodiment, due to the addition of compensation medium, compensation medium in phase shifter
For changing the effective dielectric constant with the slip band line of compensation medium overlapping part, therefore, work as slip
When band line is slided relative to fixing band line, the size phase of the first phase shift of signal and the second phase shift of signal
Deng, and the distance that opposite in phase, i.e. slip band line change when being slided relative to fixing band line produces to signal
Compensated in the changing unit of overlapping part when raw phase shift is slided with slip band line relative to fixing band line
The dielectric constant of medium is cancelled out each other to the phase shift that signal is produced so that the phase of signal will not be because of cunning
It is dynamic to be changed with the relative motion between line and fixing band line, improve the effect of phase shifter.
The above, specific embodiment only of the invention, but protection scope of the present invention not office
Be limited to this, any one skilled in the art the invention discloses technical scope in, can
Change or replacement are readily occurred in, should be all included within the scope of the present invention.Therefore, the present invention
Protection domain described should be defined by scope of the claims.
Claims (10)
1. a kind of phase shifter, including input port, the fixing band line being connected with the input interface, with
The slip band line of the fixing band line connection, at least one phase shift minor matters being connected with the slip band line,
Wherein, the slip band line is slided relative to the fixing band line, each described phase shift minor matters with two the
One output port is connected；Characterized in that, the phase shifter also includes：
Compensation medium, the compensation medium when the slip band line is slided relative to the fixing band line with
The slip stripline portions are overlapped, for changing the slip band line with the compensation medium overlapping part
Effective dielectric constant；
Wherein, when the slip band line is solid relative to described along the first direction or the second direction
When fixed band line is slided, the first phase shift of the signal and the second phase shift of the signal it is equal in magnitude, and
Opposite in phase, first phase shift be change when the slip band line is slided relative to the fixing band line away from
From the phase shift produced to the signal；Second phase shift is the slip band line relative to the fixing band line
The phase that the dielectric constant of compensation medium is produced to the signal in the changing unit of the overlapping part during slip
Move.
2. phase shifter according to claim 1, it is characterised in that the phase shifter also includes：
The second output port being connected with the fixing band line, wherein, the signal is from the input port
Input, via a part of fixing band line, from second output port output, the signal is propagated
Distance be fixed value.
3. phase shifter according to claim 1 and 2, it is characterised in that the phase shift minor matters are
Slow-wave structure.
4. phase shifter according to claim 1 and 2, it is characterised in that the phase shifter is also wrapped
Include：
The media units at least one phase shift minor matters are arranged on, for changing the phase shift minor matters
Effective dielectric constant.
5. the phase shifter according to any one in claim 1-4, it is characterised in that if described
Phase shifter includes phase shift minor matters described at least two, then phase shift minor matters described at least two are located at the slip
Homonymy or heteropleural with line.
6. phase shifter according to claim 2, it is characterised in that the phase shifter also includes：
The cable being connected with the input port, first output port and second output port.
7. the phase shifter according to any one in claim 1-6, it is characterised in that the shifting
Phase device also includes：
It is arranged at outside the fixing band line, the slip band line, the phase shift minor matters and the compensation medium
Side, for fixing or installing the fixing band line, the slip band line, the phase shift minor matters and institute
State the cavity of compensation medium.
8. phase shifter according to claim 1, it is characterised in that the fixing band line with it is described
Connected mode between slip band line is coupling electrical connection or directly contact electrical connection；The slip band line with
Connected mode between phase shift minor matters described at least one is coupling electrical connection or directly contact electrical connection.
9. a kind of antenna, it is characterised in that including with as described in any one in claim 1-8
Phase shifter, and at least one antenna element being connected with the phase shifter.
10. antenna according to claim 9, it is characterised in that the phase shifter is by the shifting
Cable in phase device is connected with antenna element described at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510999449.8A CN106921011B (en) | 2015-12-28 | 2015-12-28 | A kind of phase shifter and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510999449.8A CN106921011B (en) | 2015-12-28 | 2015-12-28 | A kind of phase shifter and antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106921011A true CN106921011A (en) | 2017-07-04 |
| CN106921011B CN106921011B (en) | 2019-07-19 |
Family
ID=59455227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510999449.8A Active CN106921011B (en) | 2015-12-28 | 2015-12-28 | A kind of phase shifter and antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106921011B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232376A (en) * | 2017-12-22 | 2018-06-29 | 广东盛路通信科技股份有限公司 | Ultra wide band 1710-2700MHz phase shifters |
| CN108232377A (en) * | 2017-12-22 | 2018-06-29 | 广东盛路通信科技股份有限公司 | Ultra wide band 690-960MHz phase shifters |
| WO2020024893A1 (en) * | 2018-07-31 | 2020-02-06 | 华为技术有限公司 | Phase switcher and electric tilt antenna |
| CN111180892A (en) * | 2018-11-09 | 2020-05-19 | 京信通信技术(广州)有限公司 | Antenna and phase shifter |
| WO2020263889A1 (en) * | 2019-06-27 | 2020-12-30 | Commscope Technologies Llc | Base station antennas having phase-error compensation and related methods of operation |
| CN113013625A (en) * | 2019-12-20 | 2021-06-22 | 华为机器有限公司 | Beam adjustment assembly and antenna system |
| CN113113741A (en) * | 2019-12-24 | 2021-07-13 | 华为技术有限公司 | Filter, phase shifter and related device |
| WO2022156385A1 (en) * | 2021-01-19 | 2022-07-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Device for power dividing and phase shifting |
| WO2024020792A1 (en) * | 2022-07-26 | 2024-02-01 | 京东方科技集团股份有限公司 | Tunable phase shifter and electronic device |
| WO2024067021A1 (en) * | 2022-09-26 | 2024-04-04 | 华为技术有限公司 | Phase shifter, base-station antenna and base station |
| WO2024088178A1 (en) * | 2022-10-28 | 2024-05-02 | 中信科移动通信技术股份有限公司 | Phase shifter and base station antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202042575U (en) * | 2011-03-28 | 2011-11-16 | 京信通信系统（中国）有限公司 | Coaxial medium phase shifting system, phase shifter and phase shifting driving device |
| CN103490166A (en) * | 2013-09-23 | 2014-01-01 | 摩比天线技术（深圳）有限公司 | Phase compensation method of TD intelligent antenna and phase compensation structure of TD intelligent antenna |
-
2015
- 2015-12-28 CN CN201510999449.8A patent/CN106921011B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202042575U (en) * | 2011-03-28 | 2011-11-16 | 京信通信系统（中国）有限公司 | Coaxial medium phase shifting system, phase shifter and phase shifting driving device |
| CN103490166A (en) * | 2013-09-23 | 2014-01-01 | 摩比天线技术（深圳）有限公司 | Phase compensation method of TD intelligent antenna and phase compensation structure of TD intelligent antenna |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232377A (en) * | 2017-12-22 | 2018-06-29 | 广东盛路通信科技股份有限公司 | Ultra wide band 690-960MHz phase shifters |
| CN108232376A (en) * | 2017-12-22 | 2018-06-29 | 广东盛路通信科技股份有限公司 | Ultra wide band 1710-2700MHz phase shifters |
| US11870157B2 (en) | 2018-07-31 | 2024-01-09 | Huawei Technologies Co., Ltd. | Phase shifter and remote electrical tilt antenna |
| WO2020024893A1 (en) * | 2018-07-31 | 2020-02-06 | 华为技术有限公司 | Phase switcher and electric tilt antenna |
| CN110783666A (en) * | 2018-07-31 | 2020-02-11 | 上海华为技术有限公司 | Phase shifter and electrically tunable antenna |
| CN111180892A (en) * | 2018-11-09 | 2020-05-19 | 京信通信技术(广州)有限公司 | Antenna and phase shifter |
| CN111180892B (en) * | 2018-11-09 | 2021-05-07 | 京信通信技术(广州)有限公司 | Antenna and phase shifter |
| US11239543B2 (en) | 2019-06-27 | 2022-02-01 | Commscope Technologies Llc | Base station antennas having phase-error compensation and related methods of operation |
| WO2020263889A1 (en) * | 2019-06-27 | 2020-12-30 | Commscope Technologies Llc | Base station antennas having phase-error compensation and related methods of operation |
| CN113013625A (en) * | 2019-12-20 | 2021-06-22 | 华为机器有限公司 | Beam adjustment assembly and antenna system |
| US11955720B2 (en) | 2019-12-20 | 2024-04-09 | Huawei Technologies Co., Ltd. | Beam adjustment assembly and antenna system |
| CN113113741A (en) * | 2019-12-24 | 2021-07-13 | 华为技术有限公司 | Filter, phase shifter and related device |
| CN113113741B (en) * | 2019-12-24 | 2022-06-10 | 华为技术有限公司 | Filter, phase shifter and related device |
| WO2022156385A1 (en) * | 2021-01-19 | 2022-07-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Device for power dividing and phase shifting |
| WO2024020792A1 (en) * | 2022-07-26 | 2024-02-01 | 京东方科技集团股份有限公司 | Tunable phase shifter and electronic device |
| WO2024067021A1 (en) * | 2022-09-26 | 2024-04-04 | 华为技术有限公司 | Phase shifter, base-station antenna and base station |
| WO2024088178A1 (en) * | 2022-10-28 | 2024-05-02 | 中信科移动通信技术股份有限公司 | Phase shifter and base station antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106921011B (en) | 2019-07-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106921011A (en) | A kind of phase shifter and antenna | |
| CN106207320B (en) | Phase shifter and antenna | |
| JP7433229B2 (en) | Liquid crystal phase shifter and its operation method, liquid crystal antenna and communication device | |
| CN110649356A (en) | Power distribution network, liquid crystal antenna and communication device | |
| JP7424977B2 (en) | Liquid crystal phase shifter and its operation method, liquid crystal antenna, communication equipment | |
| CN112448105B (en) | Phase shifter and antenna | |
| CN104269647B (en) | A kind of phase shifter | |
| CN103199322B (en) | Phase shifter and antenna | |
| CN104103875A (en) | Phase shifter, phase shifting component and phase shifting feed network with the phase shifter | |
| CN106450763B (en) | Dielectric phase shift unit, dielectric phase shifter and base station antenna | |
| CN108432036B (en) | Phase shifter and antenna | |
| CN107579315B (en) | A kind of single-frequency solid phase shifter | |
| US11189920B2 (en) | Control substrate, liquid crystal phase shifter and method of forming control substrate | |
| CN102544733A (en) | Phase position continuous linear-variable phase shifter for base station electrically controlled antenna | |
| CN103094689A (en) | Medium phase shift module and phase shift unit, feed network and antenna thereof | |
| SE540163C2 (en) | Adjustable phase shifter with constant impedance | |
| CN112993580B (en) | Antenna device and electronic apparatus | |
| CN103985966A (en) | Broadband dielectric phase-shifting device | |
| CN203277596U (en) | Phase shifter | |
| WO2012106903A1 (en) | Phase shifter | |
| CN104765169A (en) | Detection circuit of array substrate and array substrate | |
| CN209643077U (en) | A kind of differential signal winding structure for common mode inhibition | |
| CN104508908B (en) | A kind of phase shifting equipment based on coated by dielectric | |
| WO2014094202A1 (en) | Equiphase differential beamforming apparatus | |
| CN102998868B (en) | Array substrate and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |