CN109216887A - Liquid crystal antenna assembly - Google Patents
Liquid crystal antenna assembly Download PDFInfo
- Publication number
- CN109216887A CN109216887A CN201810380006.4A CN201810380006A CN109216887A CN 109216887 A CN109216887 A CN 109216887A CN 201810380006 A CN201810380006 A CN 201810380006A CN 109216887 A CN109216887 A CN 109216887A
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- Prior art keywords
- liquid crystal
- crystal antenna
- antenna element
- wireless signal
- electrode
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
- H01Q3/005—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using remotely controlled antenna positioning or scanning
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of liquid crystal antenna assembly, including a liquid crystal antenna element, include multiple microwave components, wherein each microwave component includes the second electrode that a first electrode and the first electrode are oppositely arranged and the liquid crystal cells between the first electrode and the second electrode, and wherein the liquid crystal antenna element is to receive a wireless signal；An and control unit, it is electrically connected to the liquid crystal antenna element, the control unit is to control the liquid crystal antenna element to form one first wave beam, first wave beam has a first direction, wherein the control unit be according to the liquid crystal antenna element the received wireless signal determine a source orientation of the wireless signal, and control the first direction of first wave beam towards the source orientation.
Description
Technical field
The invention relates to antenna assemblies, in particular to a kind of liquid crystal antenna assembly.
Background technique
In the epoch of 5G communication, it is necessary to allow antenna that there is directive property, so that signal energy can concentrate on specific direction, one
Aspect reduces the interference to other wireless devices, also reduces the waste of signal energy on the other hand to improve communication product
Matter.In addition to directive property, antenna must also can have the ability of fast track wireless device, logical required for could communicating in response to 5G
Interrogate quality.
Summary of the invention
One aspect of the present invention proposes a kind of liquid crystal antenna assembly, including a liquid crystal antenna element, includes multiple microwaves
Element, wherein each microwave component includes a first electrode, the second electrode being oppositely arranged with the first electrode and is located at this
A liquid crystal cells between first electrode and the second electrode, wherein the liquid crystal antenna element receives a wireless signal；And one
Control unit, is electrically connected to the liquid crystal antenna element, which is to control the liquid crystal antenna element to form a first wave
Beam, first wave beam have a first direction, and wherein the control unit is that received this is wireless according to liquid crystal antenna element institute
One source orientation of the signal deciding wireless signal, and the first direction of first wave beam is controlled towards the source orientation.
Another aspect of the present invention proposes a kind of liquid crystal antenna assembly, including a liquid crystal antenna element, comprising multiple micro-
Wave element, wherein each microwave component includes a first electrode, the second electrode being oppositely arranged with the first electrode and is located at
A liquid crystal cells between the first electrode and the second electrode, wherein the liquid crystal antenna element receives a wireless signal；And
One control unit, is electrically connected to the liquid crystal antenna element, which controls the liquid crystal antenna element and form a first wave
Beam, and first wave beam has a first direction, wherein the control unit controls the liquid crystal antenna list in a first time section
Member determines the nothing according to the received wireless signal of liquid crystal antenna element institute to change the first direction of first wave beam
One source orientation of line signal.Wherein in one second time interval behind the first time section, control unit control should
Liquid crystal antenna element, so that the first direction of first wave beam is towards the source orientation.
Detailed description of the invention
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to tool of the invention
Body embodiment elaborates, in which:
Figure 1A is the functional block diagram for showing the liquid crystal antenna assembly in an embodiment according to the present invention.
Figure 1B is the schematic diagram for showing the microwave component in an embodiment according to the present invention.
Fig. 2A~2C is to show the schematic diagram for starting tracking component in an embodiment according to the present invention using time division multiplexing.
Fig. 3 A~3B is to show the schematic diagram that different tracking component is divided in another embodiment according to the present invention.
Fig. 4 A~4C is to show the schematic diagram that different tracking component is divided in another embodiment according to the present invention.
Fig. 5 A~5D is to show time division multiplexing in an embodiment according to the present invention to start the schematic diagram of tracking component.
Fig. 6 A~6B is the schematic diagram for showing the arrangement mode of the tracking component in another embodiment according to the present invention.
Fig. 7 is the process for showing the method in an embodiment according to the present invention using liquid crystal antenna assembly tracking wireless device
Figure.
Fig. 8 is the stream for showing the source orientation for determining wireless signal in another embodiment according to the present invention using active scan
Cheng Tu.
Fig. 9 A is the schematic diagram for the predetermined space that the liquid crystal antenna element in one embodiment of the invention can operate.
Fig. 9 B is the top view of the liquid crystal antenna element 110 in the embodiment of Fig. 9 A of the present invention.
Fig. 9 C is the side view of the liquid crystal antenna element 110 in the embodiment of Fig. 9 A of the present invention.
Component label instructions in figure:
100~liquid crystal antenna assembly；
110~liquid crystal antenna element；
111~microwave component；
120~control unit；
131~first electrode；
132~second electrode；
133~liquid crystal cells；
134~first substrate；
135~the second substrate；
111A, 111B~microwave component；
1110~tracking component；
1111~region；
S710-S740, S810-S820~step.
Specific embodiment
Figure 1A is the functional block diagram for showing the liquid crystal antenna assembly in an embodiment according to the present invention.As shown in Figure 1A,
Liquid crystal antenna assembly 100 includes: multiple microwave components (microwave element) 111 and a control unit 120.It is real one
It applies in example, microwave component is to receive or send wireless signal, and control unit 120 is emitted to control microwave component 111
Wave beam (beam) and reception wireless signal.Control unit 120 may be, for example, a general processor (general-purpose
Processor), a digital signal processor (digital signal procesor, DSP) or a micro-control unit
(microcontroller), but the present invention is not limited thereto.In one embodiment, microwave component 111 can for example be divided into one or
Multiple liquid crystal antenna elements 110.It for ease of description, is by taking a liquid crystal antenna element 110 as an example in Figure 1A.
Figure 1B is the schematic diagram for showing the microwave component in an embodiment according to the present invention.For example, each microwave component
111 include first substrate 134, the first electrode 131 on the first substrate 134, the second substrate 135, is located at second base
Second electrode 132 and a liquid crystal cells (liquid crystalcell) 133 on plate 135, and first electrode 131 and second
Electrode 132 is the opposite sides for being set to liquid crystal cells 133, as shown in Figure 1B.For example transmittable control letter of control unit 120
Number (such as a bias voltage signal) to each microwave component 111 first electrode 131 and/or second electrode 132 to adjust liquid crystal cells
133 rotation direction.Specifically, control unit 120 can control each microwave component 111 to form the direction of wave beam, or with
The mode of subregion controls the microwave component 111 in each region respectively to form the direction of wave beam in each region.
Fig. 2A~2C is to show the schematic diagram for starting tracking component in an embodiment according to the present invention using time division multiplexing.
In one embodiment, whole microwave components 111 in liquid crystal antenna element 110 are divided into one or more and chase after
Track component (tracking section) 1110, such as shown in Fig. 2 B and Fig. 2 C, and control unit 120 is to utilize time division multiplexing
Mode is to start or close tracking component.
For example, as shown in Figure 2 A, in time=tnWhen, control unit 120 is to close tracking component, and control unit
120 be according to microwave component 111 received wireless signal to determine the source orientation of wireless signal.
As shown in Figure 2 B, in time=tn+1, control unit 120 is starting tracking component 1110, and in each tracking component
Microwave component 111 in 1110 can be described as tracking microwave component 111B.
Fig. 2 C is to be painted another microwave component 111 that divides as the mode of tracking component, such as each tracking in fig. 2 c
The quantity that microwave component 111B is tracked included by component 1110 is more compared with Fig. 2 B.This means, in time=tn+1, control unit 120 can
Start tracking component 1110 with another division mode.
In Fig. 2 B~2C, control unit 120 is that each tracking component 1110 of driving changes its directive property towards different direction,
And each tracking component 1110 can receive the wireless signal from different angle.
For example, when a wireless device from a certain orientation issue wireless signal, with being differently directed property each tracking part
Wireless signal received by part 1110 has different signal characteristic values.Therefore, control unit 120 can be according to each tracking component
The characteristic value of wireless signal received by 1110 is to calculate the source orientation of the wireless signal that wireless device is issued.This is wireless
Device can be mobile communication device, base station, communications satellite etc., but be not limited thereto.
Then, control unit 120 some or all of can drive in liquid crystal antenna element 110 microwave component 111, make its wave
The direction of beam is towards the source orientation of wireless signal.As wireless device changes position, received by each tracking component 1110
The characteristic value of wireless signal also can be with change, therefore control unit 120 can the wireless communication as received by each tracking component 1110
Number characteristic value calculate again wireless device it is mobile after the source orientation of wireless signal that is issued, so as to reaching tracking wireless device
Function.
In some embodiments, in the initial state, control unit 120 can actuating section or whole tracking component, but
Other microwave components 111 are not started to reduce power consumption.When unit 120 to be controlled judges the source orientation of wireless signal,
Control unit 120 is that starting is whole or selected microwave component 111 is to form wave beam and towards the source of wireless signal
Orientation.
Fig. 3 A~3B- is to show the schematic diagram that different tracking component is divided in another embodiment according to the present invention.In liquid
Whole microwave components 111 in brilliant antenna element 110 can be divided into one or more tracking component 1110 using different modes.?
In one embodiment, as shown in Figure 3A, whole microwave components 111 can be divided by control unit 120 in the way of nine grids
Multiple tracking component 1110.
In another embodiment, as shown in Figure 3B, control unit 120 is with the center of the two-dimensional array of microwave component 111
Subject to, whole microwave components 111 is symmetrically divided into multiple tracking component 1110.
It is noted that 111 formula of microwave component is divided into one or more tracking component 1110 in the present invention, and unlimited
The division mode shown in Fig. 3 A and Fig. 3 B, such as tracking component 1110 can be divided into different shape, example according to actual demand
Such as sector, triangle, quadrangle, polygon, irregular shape, ring-type, but the present invention is not limited thereto.
Fig. 4 A~4C is to show the schematic diagram that different tracking component is divided in another embodiment according to the present invention.Another
In embodiment, as shown in Figure 4 A, control unit 120 can be in the way of nine grids by the microwave component of liquid crystal antenna element 110
111 are divided into multiple regions 1111, and the microwave component 111 in each region 1111 can be divided into first part and second part, the
A part is that tracking component 1110 includes one or more trackings microwave component 111B, and second part includes multiple microwave components
111A。
This means, the microwave component 111 that the first part in each region 1111 may be selected in control unit 120 (such as is tracked micro-
Wave element 111B) as tracking component 1110, making it respectively has different directive property to receive wireless signal, and control unit
120 can according to each tracking component 1110 received wireless signal to judge the source orientation of wireless signal.Control unit 120 can
It is specified wave beam to be formed by the microwave component 111A in one or more regions and towards the source orientation of wireless signal.
Similarly, in figure 4b, control unit 120 can utilize another symmetrical division mode by liquid crystal antenna element 110
Microwave component 111 be divided into multiple regions 1111.In figs. 4 a and 4b, control unit 120 is that the fixed tracking of selection is micro-
Wave element 111B is as tracking component 1110, and the arrangement mode of the tracking microwave component 111B in each tracking component 1110
It is identical.
In figure 4 c, control unit 120 is again first by the microwave of liquid crystal antenna element 110 using another symmetrical division mode
Part 111 is divided into multiple regions 1111, and the arrangement mode of the tracking microwave component 111B in each tracking component 1110 can be with
It is different.
The embodiment of complex chart 4A~4C, it can be seen that multiple microwave components of the tracking component 1110 in each region 1111
111B can have one or more arrangement modes.
Fig. 5 A~5D is to show time division multiplexing in an embodiment according to the present invention to start the schematic diagram of tracking component.One
In embodiment, control unit 120 is using the mode of time division multiplexing to start in each region 1111 of liquid crystal antenna element 110
In tracking component 1110.For example, as shown in Figure 5A, in time=tnWhen, control unit 120 is inactive in liquid crystal antenna
Any tracking component 1110 in each region 1111 of unit 110.As shown in Figure 5 B, in time t=n+1, control unit 120 is
Start the part microwave component 110 (such as tracking microwave component 111B) in each region 1111 of liquid crystal antenna element 110 with
As tracking component 1110, making it respectively has different directive property to receive wireless signal.
In another embodiment, as shown in Fig. 5 C and Fig. 5 D, control unit 120 can time division multiplexing change in liquid crystal antenna list
The position of tracking component 1110 in each region 1111 of member 110 or arrangement mode.Such as in time=tnWhen, control unit
120 be to start the tracking component 1110 in each region 1111 of liquid crystal antenna element 110 with the arrangement mode of Fig. 5 C.In the time
=tn+1, the then tracking with the arrangement mode starting of Fig. 5 D in each region 1111 of liquid crystal antenna element 110 of control unit 120
Component 1110, such as the position of tracking component 1110 in figure 5d have compared to Fig. 5 C and slightly change.
Fig. 6 A~6B is the schematic diagram for showing the arrangement mode of the tracking component in another embodiment according to the present invention.Another
In one embodiment, whole microwave components 111 is divided into multiple by control unit 120 using the mode similar to Fig. 4 A and 4B
Region 1111, and the microwave component 111 in each region 1111 can be divided into multiple first microwave component 111A and multiple second microwaves
Element 111B, and the first microwave component 111A is to form a two-dimensional array, and the second microwave component 111B is to be set to two-dimentional battle array
To form one or more tracking component 1110 around column, as shown in Fig. 6 A and Fig. 6 B.
Fig. 7 is the process for showing the method in an embodiment according to the present invention using liquid crystal antenna assembly tracking wireless device
Figure.
In step S710, a wireless signal is received using microwave component 111.In step S720, according to 111 institute of microwave component
Received wireless signal is to determine the source orientation of wireless signal.For example, microwave component 111 receives wireless signal and can be divided into
Active scan or passive received mode, wherein passive received mode for example can refer to the embodiment of Fig. 2~6, therefore it is thin
It saves and is repeated no more in this.The mode of active scan can refer to the embodiment of Fig. 8.
In step S730, controls microwave component 111 and be formed by the direction of wave beam in a predetermined space range.Citing comes
It says, the direction of the wave beam of liquid crystal antenna element 110 can operate in a three-dimensional space, if Fig. 9 A is in one embodiment of the invention
900 schematic diagram of a predetermined space that liquid crystal antenna element 110 can operate.Fig. 9 B is the top view of liquid crystal antenna element 110, wave
Shu Fangxiang can be operated in the angle c perpendicular to 110 left of liquid crystal antenna element and right.Fig. 9 C is that the present invention one is real
Apply the side view of the liquid crystal antenna element 110 in example, beam direction can operate above perpendicular to liquid crystal antenna element 110 and
Within the scope of one angle beta of lower section.Wherein, the numerical value of angle [alpha] and angle beta may be the same or different.
In step S740, substantially (substantially) direction should in the direction of the wave beam of control liquid crystal antenna element 110
The source orientation of wireless signal.If wireless device is in moving condition, control microwave component 111 wave beam towards wireless signal
Source orientation after, radio signal source may deviate original orientation due to mobile, chase after since liquid crystal antenna element 110 has
The function of track wireless device, thus liquid crystal antenna element 110 be formed by wave beam direction can constantly correct and substantially direction
Wireless signal source orientation.
Fig. 8 is the stream for showing the source orientation for determining wireless signal in another embodiment according to the present invention using active scan
Cheng Tu.In another embodiment, in step S810, control unit 120 is the tracking component controlled in liquid crystal antenna element 110
1110 directive property is scanned in a predetermined space.Wherein above-mentioned scanning can be described as active scan, imply that in different time
Point (such as t0、t1、t2…、tn) when, the directive property of tracking component 1110 have at every point of time an angulation change (such as but
It is not limited to change toward perpendicular to the above/below of liquid crystal antenna assembly 100 or left/right direction), last tracking component
1110 directive property can this inswept entire predetermined space range.Wherein the division mode of tracking component 1110 can refer to above-mentioned implementation
Example.
In step S820, when tracking component 1110 is at a time point, received radio signal characteristics are compared to other
Radio signal characteristics received by time point reach a predetermined condition (such as relative signal intensity (signal strength)
It is maximum), control unit 120 is the directive property of the tracking component 1110 when determining at the time point for towards the source of wireless signal
Orientation, and then by the wave beam of liquid crystal antenna element 110 towards the source orientation of wireless signal.
The direction of the wave beam of liquid crystal antenna element 110 can operate in a three-dimensional space.Such as Fig. 9 A, Fig. 9 B and Fig. 9 C institute
Show, the range that the directive property of the tracking component 1110 in liquid crystal antenna element 110 is scanned is in vertical liquid crystal antenna element 110
One angle c of left and right, and perpendicular to the angle beta range institute shape over and under liquid crystal antenna element 110
At predetermined space 900 in.Wherein, the numerical value of angle [alpha] and angle beta may be the same or different.Imply that liquid crystal antenna element
The change in the direction (for example, first direction) of wave beam caused by 110 is in predetermined space 900.
For example, (such as the time point t in first time section0~tnBetween), because liquid crystal antenna element 110 exists
Active scan is carried out with the source orientation of detected wireless signals, therefore the predetermined space 900 of the scanning of liquid crystal antenna element 110 can be used
Biggish range is scanned, such as liquid crystal antenna element 110 operates scanning within the scope of angle [alpha] and angle beta.Work as control unit
120 orient the source orientation of wireless signal using tracking component 1110 after (such as be judged as time point tmWhen directive property, 0 >
M > n), in the second time interval (such as time point tn+1~tn+xBetween, x > 1), control unit 120 controls liquid crystal antenna element
110, so that the direction of the wave beam (for example, the first wave beam) of liquid crystal antenna element 110 is towards the source orientation of wireless signal.Cause
The source of the wireless signal may move, and the tracking component 1110 of liquid crystal antenna element 110 can be further in third time zone
Between (such as time point tn+x+1~tn+x+yBetween, y > 1) scanning range is reduced, imply that predetermined space is contracted to coming for wireless signal
An a small range arround the orientation of source, and a small range can be within predetermined space 900 arround the source orientation.So
It can accelerate the speed in the source orientation of tracking wireless signal.
In conclusion a kind of method that the present invention is to provide liquid crystal antenna assembly and its tracks wireless device, available
The modulated characteristic of the directive property of microwave component, can quickly locate and track wireless device, and it is preferable to provide wireless device
Signal transmitting quality.In addition, the microwave component of selectable portion of the present invention is as tracking component, and by time division multiplexing, wave beam
It manages and/or changes its arrangement mode, pressure (stress) time of microwave component can be reduced, and extend making for microwave component
Use the service life.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect therefore of the invention protection model
It encloses to work as and subject to the definition of the claims.
Claims (9)
1. a kind of liquid crystal antenna assembly, comprising:
One liquid crystal antenna element includes multiple microwave components, wherein each microwave component includes a first electrode and the first electrode
The second electrode being oppositely arranged and the liquid crystal cells between the first electrode and the second electrode, the wherein liquid
Brilliant antenna element receives a wireless signal；And
One control unit, is electrically connected to the liquid crystal antenna element, which controls the liquid crystal antenna element and form one the
One wave beam, first wave beam have a first direction,
Wherein the control unit according to the liquid crystal antenna element the received wireless signal determine a source of the wireless signal
Orientation, and the first direction of first wave beam is controlled towards the source orientation.
2. liquid crystal antenna assembly as described in claim 1, which is characterized in that multiple microwave component is divided into first part
And second part, and multiple microwave component in the first part is for receiving the wireless signal.
3. liquid crystal antenna assembly as claimed in claim 2, which is characterized in that multiple microwave component in the first part is
Divide into multiple regions with being differently directed property.
4. liquid crystal antenna assembly as claimed in claim 2, which is characterized in that multiple microwave component in the second part is used
In formation first wave beam.
5. liquid crystal antenna assembly as claimed in claim 4, which is characterized in that the liquid crystal antenna element receives the wireless communication simultaneously
Number and form first wave beam.
6. liquid crystal antenna assembly as claimed in claim 2, which is characterized in that for receiving the first part of the wireless signal
In multiple microwave component receive the wireless signal in a time interval, and form first wave beam in another time interval.
7. a kind of liquid crystal antenna assembly, comprising:
One liquid crystal antenna element includes multiple microwave components, wherein each microwave component includes a first electrode and the first electrode
The second electrode being oppositely arranged and the liquid crystal cells between the first electrode and the second electrode, the wherein liquid
Brilliant antenna element receives a wireless signal；And
One control unit, is electrically connected to the liquid crystal antenna element, which controls the liquid crystal antenna element and form one the
One wave beam, first wave beam have a first direction,
Wherein in a first time section, the control unit control the liquid crystal antenna element with change first wave beam this first
Direction, and according to the liquid crystal antenna element the received wireless signal determine a source orientation of the wireless signal,
Wherein one second time interval behind the first time section, the control unit control the liquid crystal antenna element, so that
The first direction of first wave beam is towards the source orientation.
8. liquid crystal antenna assembly as claimed in claim 7, which is characterized in that in the first time section, the first direction
Change be to change being positioned at an angle to be formed by the first range with the liquid crystal antenna element normal to a surface.
9. liquid crystal antenna assembly as claimed in claim 8, which is characterized in that the third time after second time interval
In section, which changed in one second range in first range.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/000,242 US10811769B2 (en) | 2017-06-30 | 2018-06-05 | Liquid-crystal antenna apparatus and method for tracking wireless apparatus using the same |
| EP18180350.3A EP3422477B1 (en) | 2017-06-30 | 2018-06-28 | Liquid-crystal antenna apparatus and method for tracking wireless apparatus using the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762527192P | 2017-06-30 | 2017-06-30 | |
| US62/527,192 | 2017-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109216887A true CN109216887A (en) | 2019-01-15 |
Family
ID=64991188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810380006.4A Pending CN109216887A (en) | 2017-06-30 | 2018-04-25 | Liquid crystal antenna assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109216887A (en) |
Cited By (2)
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| CN110444859A (en) * | 2019-07-17 | 2019-11-12 | 维沃移动通信有限公司 | A kind of method of controlling antenna and terminal |
| CN110634418A (en) * | 2019-11-05 | 2019-12-31 | 京东方科技集团股份有限公司 | Driving backboard, manufacturing method of driving backboard, mother board of driving backboard, display panel and manufacturing method of liquid crystal antenna |
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| CN110634418A (en) * | 2019-11-05 | 2019-12-31 | 京东方科技集团股份有限公司 | Driving backboard, manufacturing method of driving backboard, mother board of driving backboard, display panel and manufacturing method of liquid crystal antenna |
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Application publication date: 20190115 |