CN106972270A - Multi-beam perimeter array antenna and phase distribution system of selection - Google Patents
Multi-beam perimeter array antenna and phase distribution system of selection Download PDFInfo
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- CN106972270A CN106972270A CN201610022867.6A CN201610022867A CN106972270A CN 106972270 A CN106972270 A CN 106972270A CN 201610022867 A CN201610022867 A CN 201610022867A CN 106972270 A CN106972270 A CN 106972270A
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- 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
- H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
- H01Q21/293—Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
-
- 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
Abstract
The present invention provides a kind of multi-beam perimeter array antenna and phase distribution system of selection, and wherein multi-beam perimeter array antenna includes：At least three antenna elements and unit control apparatus of annular array are set to, antenna element is connected with unit control apparatus and by unit control apparatus control, and unit control apparatus includes：Unit selection device, phase selector and phase converter, Unit selection device are connected with antenna element, control the opening and closing of antenna element；Phase selector is connected with phase converter, selectes phase and according to selected phase controlling phase converter；Phase converter is connected with antenna element, controls the phase distribution of antenna element.The multi-beam perimeter array antenna of the present invention and phase distribution system of selection, the radiation coverage of the change adjustment multi-beam perimeter array antenna according to the geographical distribution of user can be realized, flexible covering can be realized, and the multi-beam perimeter array antenna of the present invention is simple in construction, can effectively reduce operation cost.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of multi-beam perimeter array antenna and phase distribution selecting party
Method.
Background technology
For the antenna of existing wireless base station, it can select omnidirectional antenna and directional aerial according to application scenarios.Typically
For, omnidirectional antenna is applicable to the occasion of comprehensive communications coverage, and directional aerial is then applied to user's Relatively centralized
Occasion.
But it is relatively fixed for customer location, but presence necessarily changes for possible scene, the omnidirectional antennas of prior art
Line and directional aerial are all difficult to meet demand.
For example, for scarcely populated villages and small towns, user can use wireless terminal access base station at home.In such case
Under, if comprehensively covered using omnidirectional antenna, on most of direction, the radiant power of antenna is all wasted.
If using directional aerial according to user distribution, once Add User or reduce user, it is necessary to the spoke of antenna
Orientation is penetrated to be adjusted.Prior art typically realizes the adjustment in aerial radiation orientation by micro belt shifting phase.But micro-strip phase shift
Device cost is relatively very high, it is difficult to which large-scale application is in this application scenarios for needing consideration cost requirement.
Therefore, the realization as how simple and convenient and inexpensive is relatively fixed to customer location, but it is possible to there is change
Application scenarios carry out flexible communication overlay, just turn into urgent problem to be solved.
The content of the invention
Customer location can not be relatively fixed with simple and convenient and inexpensive realization to solve prior art, but there is change
Change the problem of possible application scenarios carry out flexible communication overlay, the invention provides a kind of multi-beam perimeter array antenna,
Including：
At least three antenna elements and unit control apparatus of annular array are set to, the antenna element is controlled with the unit
Device is connected and controlled by the unit control apparatus,
The unit control apparatus includes：Unit selection device, phase selector and phase converter,
The Unit selection device is connected with the antenna element, controls the opening and closing of the antenna element；
The phase selector is connected with the phase converter, selectes phase and the phase according to selected phase controlling
Converter；
The phase converter is connected with the antenna element, controls the phase distribution of the antenna element, corresponding to generate
Directional diagram.
Present invention also offers a kind of phase distribution system of selection of multi-beam perimeter array antenna, including：
The user geographical position generation target coverage area of communication overlay is carried out as needed；
Extract the characteristic value of the target coverage area, selected according to the characteristic value in array aerial direction figure database with
The directional diagram of the matching of the characteristic value；
It is selected by the corresponding antenna element of Unit selection device selection selection, and control according to the directional diagram of the matching
The phase converter and phase selector for the antenna element selected, to generate the directional diagram of the matching.
The multi-beam perimeter array antenna of the present invention and phase distribution system of selection, it is possible to achieve according to the geography of user point
The radiation coverage of the change adjustment multi-beam perimeter array antenna of cloth, it is possible to achieve flexible to cover and of the invention is more
Beam torus array antenna structure is simple, can effectively reduce operation cost.
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 to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 arranges schematic diagram for the antenna element of one embodiment of the multi-beam perimeter array antenna of the present invention.
Fig. 2 is the structural representation of one embodiment of the multi-beam perimeter array antenna of the present invention.
Fig. 3 is the flow of one embodiment of the phase distribution system of selection of the multi-beam perimeter array antenna of the present invention
Figure.
Fig. 4 is the multi-beam of one embodiment of the phase distribution system of selection of the multi-beam perimeter array antenna of the present invention
The schematic diagram of perimeter array antenna.
Fig. 5 divides for the phase of one embodiment of the phase distribution system of selection of the multi-beam perimeter array antenna of the present invention
Butut.
Fig. 6 for the present invention multi-beam perimeter array antenna phase distribution system of selection one embodiment it is several not
The superposition schematic diagram of same-phase distribution map.
Fig. 7 divides for the phase of one embodiment of the phase distribution system of selection of the multi-beam perimeter array antenna of the present invention
Butut.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention
A part of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, the scope of protection of the invention is belonged to.
Fig. 1 arranges three-dimensional structure diagram for the antenna element of one embodiment of the multi-beam perimeter array antenna of the present invention,
Fig. 2 is the structural representation of one embodiment of the multi-beam perimeter array antenna of the present invention, as depicted in figs. 1 and 2, this implementation
The multi-beam perimeter array antenna of example, can include：It is set at least three antenna elements 1 and unit control dress of annular array
2 are put, antenna element 1 is connected with unit control apparatus 2 and controlled by unit control apparatus 2.
It should be noted that for convenience of explanation, the present embodiment have selected eight antenna elements 1 and constitute multi-beam circular array
Array antenna.Actually technical staff can constitute any more than three antenna element of omnidirectional radiation according to actual conditions selection
1 combination, i.e., surround the multi-beam perimeter array antenna of triangle, quadrangle, pentagon ... by antenna element 1.
Unit control apparatus 2 includes：Unit selection device 21, phase selector 22 and phase converter 23.
Unit selection device 21 is connected with antenna element 1, controls the opening and closing of antenna element 1.
Specifically, unit control apparatus 2 (because technical staff can setting unit control device 2 according to actual needs
Position, be for example arranged on the center of annular array, top, bottom or even be partially integrated in antenna element 1 can reach will
Ask, therefore its is not shown in FIG. 1) be made up of Unit selection device 21, phase selector 22 and phase converter 23.Wherein, it is single
The Unit selection device 21 of first control device 2 is connected with antenna element 1, and unit control apparatus 2 can control opening for antenna element 1
Close.Opening and closing i.e. by controlling antenna element 1, it is possible to achieve to the opening and closing of some antenna element 1 (for simplicity, Fig. 2 only shows
Go out the schematic diagram being connected with an antenna element 1, in fact, multi-beam perimeter array antenna includes several antenna elements 1, it is single
First control device 2 should be just connected one by one with them in the same way).The antenna list by different numbers can thus be realized
The effect for the multi-beam perimeter array antenna that member 1 is combined into.
For example, multi-beam perimeter array antenna is made up of eight antenna elements 1, selected by the unit of unit control apparatus 2
Selecting device 21 can be with any one or several unlatching of this eight antenna elements 1, so as to realize one, two, three ... eight
The effect that individual antenna element 1 is radiated.
Phase selector 22 is connected with phase converter 23, selectes phase and according to selected phase controlling phse conversion
Device 23.
Specifically, phase selector 22 is connected with phase converter 23, phase selector 22 can be according to the instruction of input
Or require, the phase for meeting instruction or requirement of corresponding selected antenna element 1, and become according to selected phase controlling phase
Parallel operation 23.
Phase converter 23 is connected with antenna element 1, the phase distribution of antenna element 1 is controlled, to generate corresponding direction
Figure.
Specifically, phase converter 23 is connected with antenna element 1, phase converter 23 is according to receiving the institute of phase converter 23
Selected phase, the phase distribution of corresponding control antenna element 1, so as to generate corresponding directional diagram.
The multi-beam perimeter array antenna of the present embodiment can be convenient to multi-beam annular array day according to the actual requirements
The radiation coverage of line is adjusted.For example, multi-beam perimeter array antenna can be found out not according to the actual distribution of user
Need the region of covering and need the region of enhanced rad intensity, i.e., corresponding required radiation pattern.Then pass through
When the required radiation pattern calculates generation corresponding actual antennas antenna pattern, the antenna element 1 of required unlatching
With the phase of the antenna element of each unlatching, then held by Unit selection device 21, phase selector 22 and phase converter 23
The corresponding operation of row, with the radiation coverage of the multi-beam perimeter array antenna needed for generating.In addition can also calculated in advance
Go out the most radiation pattern that multi-beam perimeter array antenna can be generated.Then with required aerial radiation direction
Figure is contrasted, and is therefrom found out the radiation pattern closest to required radiation pattern, is then selected by unit
Select device 21, phase selector 22 and phase converter 23 and perform corresponding operation, to generate corresponding multi-beam annular array day
The radiation coverage of line.
It is preferred that, phase converter 23 can include the cable of different length, and the cable adjustment different by connecting is corresponding
Antenna element phase.
Specifically, phase converter 23 can include the cable of different length, each 1 pair of antenna element should have one group of difference
The cable of length.Phase converter 23 can be by modes such as selecting switch, and by connecting, different cables connects with antenna element 1
Fetch the phase for directly adjusting corresponding antenna element.The cost of multi-beam perimeter array antenna can be so effectively reduced,
It is conducive to apply on a large scale.
It is preferred that, annular array is made up of 8 antenna elements.
Specifically, annular array can be made up of 8 antenna elements, that is, formed overlook for regular octahedron structure (such as
Shown in Fig. 1), tested according to inventor, for outdoor base station scene, 8 antenna elements can be very good to meet real
Border demand.
It is preferred that, the phase distribution of antenna element is discrete type phase distribution.
Specifically, the phase distribution of antenna element is discrete type phase distribution.In order to simplify the structure of phase converter,
The cost of phase converter or even whole multi-beam perimeter array antenna is reduced, the phase distribution of antenna element is discrete type phase
Distribution.I.e. phase converter is that the phase angle that each antenna element is selected is discrete.Although so whole multi-beam circular array
The quantity for the radiation pattern that array antenna can be generated is limited, but by selecting the discrete type phase of antenna element
Distribution, by simple permutation and combination, can generate substantial amounts of radiation pattern.Although in these antenna radiation side
The radiation pattern that may do not matched completely with actual demand into figure, but can find and be connect the most with actual demand
Closely, the directional diagram of user's communication requirement and can substantially be met.It so can significantly reduce multi-beam perimeter array antenna
Manufacturing cost, be conducive to its large-scale promotion.
It is further preferred that the phase angle of discrete type phase distribution can include：-120、-90、-60、-45、-30、0、
30th, at least three in 45,60,90,120 and 180.
Specifically, the phase angle of discrete type phase distribution can include：-120、-90、-60、-45、-30、0、30、45、
60th, at least three in 90,120 and 180.These phase angles are all the conventional phase angle of antenna element, the day at these phase angles
The combination of line unit, can form the more radiation pattern changed greatly.The phase angle of antenna element is more, entirely
The quantity for the radiation pattern that multi-beam perimeter array antenna can be generated is more, can thus make a multi-beam ring
Shape array antenna can better meet the actual demand of user.
It is further preferred that annular array is at least two layers in vertical direction.
Specifically, annular array could be arranged at least two layers in vertical direction.According to actual conditions, in order to carry
High-gain, the annular array of multilayer can be used in vertical direction, that is, constitute annular array is not antenna one by one
Unit, is an array antenna unit, and each column is at least made up of two antenna elements.
It is further preferred that antenna element can include：The outer media substrate that sets gradually, interlayer substrate,
Interlevel dielectrics substrate and reflecting plate.
The outer surface of outer media substrate is provided with parasitic patch；The upper surface of interlayer substrate is provided with radiation patch
Piece, the inner surface of interlayer substrate integrally adheres to the first metal ground plane.
The inner surface setting feed structure of interlevel dielectrics substrate, the outer surface of interlevel dielectrics substrate is integrally attached with the second gold medal
Belong to ground plane.
Feed structure is connected with phase converter, by phase converter control feed structure feed.
Reflecting plate is located at the inner surface side of interlevel dielectrics substrate, and reflecting plate has air layer with interlevel dielectrics substrate interval.
Specifically, the antenna element of the present embodiment can use following structure：To constitute multi-beam annular array day
Outer media substrate, interlayer substrate, interlevel dielectrics substrate and reflecting plate that line is set gradually from outside to inside.
The outer surface of the outer media substrate of antenna element is provided with parasitic patch.The upper surface of interlayer substrate is set
Radiation patch is equipped with, the inner surface of interlayer substrate integrally adheres to the first metal ground plane.
The inner surface setting feed structure of interlevel dielectrics substrate, the outer surface of interlevel dielectrics substrate is integrally attached with the second gold medal
Belong to ground plane.
Feed structure directly can be connected with phase converter, by phase converter control feed structure feed.Pass through phase
Bit changer control feed structure feed, you can change the radiating phase angle of antenna element.So whole multi-beam annular array
Each antenna element of antenna can adjust radiating phase angle by such mode, so as to realize different aerial radiation sides
Xiang Tu.
Reflecting plate is located at the inner surface side of interlevel dielectrics substrate, and reflecting plate has air layer with interlevel dielectrics substrate interval.Instead
The directionality of antenna can be strengthened by penetrating plate, can effectively improve the radiance of antenna element.
The multi-beam perimeter array antenna of the present embodiment, can with simple and flexible adjustment antenna radiation pattern,
And it is also equipped with advantage simple in construction, with low cost, it is adaptable in scarcely populated regional extensive popularization.
Fig. 3 is the flow of one embodiment of the phase distribution system of selection of the multi-beam perimeter array antenna of the present invention
Figure, as shown in figure 3, the phase distribution system of selection of the multi-beam perimeter array antenna of the use previous embodiment of the present embodiment,
It may comprise steps of：
Step 101, the user geographical position generation target coverage area of communication overlay is carried out as needed.
Specifically, obtain the geographical position for the user for needing to carry out communication overlay first, it is specific obtain can by GPS,
The modes such as the Big Dipper coordinate satellite image or map to be accurately positioned the geographical position of user.According to the geographical position of user, accordingly
The target coverage area of covering needed for being assured that multi-beam perimeter array antenna.
Step 102, the characteristic value of target coverage area is extracted, is selected according to characteristic value in array aerial direction figure database
Select the directional diagram matched with characteristic value.
Specifically, extracting the characteristic value of the target coverage area of covering needed for multi-beam perimeter array antenna, you can with root
According to the distance apart from multi-beam perimeter array antenna position, determine that multi-beam perimeter array antenna radiates work(in respective direction
Rate can reach the radiation intensity size (radiation intensity size should meet the basic communication requirement of user) of the position as special
Value indicative.The smallest coverage that the radiation pattern of coverage goal overlay area should be met can accordingly be found out.So
According to this smallest coverage, it is possible to select the direction matched with characteristic value into array aerial direction figure database
Figure.The directional diagram that the multi-beam perimeter array antenna that can be stored with array aerial direction figure database can be generated, Huo Zheduo
Beam torus array antenna can be generated typically, the part directional diagram of strong applicability.Especially when multi-beam perimeter array antenna
Antenna element phase angle be discrete type phase distribution in the case of, array aerial direction figure database can be stored with many ripples
The directional diagram that beam perimeter array antenna can be generated.Array aerial direction figure database can be located at the webserver in or after
Platform, in the webserver or hind computation is found out, is then forwarded to live execution, so that multi-beam perimeter array antenna is generated
Corresponding directional diagram.
Step 103, corresponding antenna element, and control are selected by the selection of Unit selection device according to the directional diagram of matching
The phase converter and phase selector of selected antenna element, to generate the directional diagram of matching.
Specifically, multi-beam perimeter array antenna is received after the directional diagram of matching, it can be passed through according to the directional diagram of matching
The corresponding antenna element of Unit selection device selection selection, that is, start corresponding antenna element.And according to the directional diagram control of matching
The phase converter and phase selector of the antenna element started are made, makes each antenna element of startup with required phase spoke
Penetrate, so that the directional diagram of the matching needed for generating.
It is preferred that, the direction map number included in array aerial direction figure database is Wherein, N is the phase angle number of discrete type phase distribution, and M is the antenna element number of annular array.
Specifically, when the phase angle of the antenna element of the multi-beam perimeter array antenna with M antenna element is discrete
In the case of formula phase distribution, each antenna element can select N number of different phase angle, simultaneous multiple beams perimeter array antenna
Corresponding antenna element can also be started by the selection selection of Unit selection device.So multi-beam perimeter array antenna can be selected
The antenna element selected is combined as：And the corresponding group for selected α antenna element of startup
Close, then haveIndividual directional diagram.So, for possessing M antenna element, each antenna element possesses N number of discrete type phase
For the multi-beam perimeter array antenna at the phase angle of distribution, it possesses Plant different
Directional diagram it is available.So, possess M antenna element, each antenna element possesses the phase of N number of discrete type phase distribution
Direction map number included in the array aerial direction figure database of the multi-beam perimeter array antenna at angle is up toIndividual, certain those skilled in the art can also be according to actual needs in battle array
The conventional directional diagram of selection storage in array antenna pattern data storehouse, such selection should also include the scope of the present invention.
Fig. 4 is the multi-beam of one embodiment of the phase distribution system of selection of the multi-beam perimeter array antenna of the present invention
The schematic diagram of perimeter array antenna, Fig. 5 is one of the phase distribution system of selection of the multi-beam perimeter array antenna of the present invention
The phase distribution figure of embodiment, Fig. 6 is a reality of the phase distribution system of selection of the multi-beam perimeter array antenna of the present invention
The superposition schematic diagram of several out of phase distribution maps of example is applied, as shown in Figure 4, Figure 5 and Figure 6, the present embodiment uses such as Fig. 1 and figure
8 antenna element P1 to P8 shown in 4.By -180 ° to each antenna element, -90 °, 0 °, 90 ° and 180 ° these from
The phase angle of particulate phase bit distribution is selected, it is possible to realize the antenna radiation pattern point distribution of various combination, corresponding required
The pattern data storehouse being made up of different directional diagrams.
Fig. 7 divides for the phase of one embodiment of the phase distribution system of selection of the multi-beam perimeter array antenna of the present invention
Butut, as shown in fig. 7, when 8 antenna element P1 to P8 phase angle is：P1 is -180 °, P2 is -90 °, P3 is 0 °, P4 is
90 °, the radiation pattern that P5 by 0 °, P6 is -90 °, P7 is -180 °, P8 is obtained when being 90 °.Such aerial radiation
Combination, can accordingly meet the situation in the antenna footprint of user distribution in this case.
So according to actual needs, when on the covering of the fan in 60 ° detected on the P7 directions that user concentrates on base station, just
Calculating that can be by characteristic value and search direction chart database are obtained and the immediate directional diagram of user's actual distribution, i.e. such as figure
Directional diagram shown in 5.And then 8 antenna elements are controlled, antenna element P7 corresponding with 60 ° of directions is opened, and select suitable
Phase, thus can be with while by the selection of the phase angles of other antenna elements for 0 ° so as to obtain the phase distribution shown in Fig. 5
The communication quality of effective lifting user, makes limited radiant power all project the position of user.
It is similar, each antenna element P1 is opened successively to P8, and close other antenna elements, and the Phase Stacking obtained
Figure, as shown in Figure 5, it can be seen that the directional diagram for the different directions that each antenna element list P1 is solely radiated and obtained to P8 is steady
Fixed, it is actually similar to an antenna element and obtains different directional diagrams by rotating.So according to user's integrated distribution in
The situation in some corresponding direction, can accordingly obtain suitable directional diagram and effectively be covered.
, can be by selecting antenna element P1 to P8 phase angle, to inquire about directional diagram for other users distribution situation
Database is obtained and the immediate radiation pattern of actual demand, and then controls antenna element P1 to P8 to realize the antenna spoke
Penetrate directional diagram.The radiation of antenna can thus be optimized, the region for making the radiation of antenna focus on where user, and can be
Expand the radiation coverage of antenna to a certain extent, making the radiation of antenna can be carried out effectively according to the actual distribution of user
Adjustment.
The phase distribution system of selection of the multi-beam perimeter array antenna of the present embodiment, it is possible to achieve according to the geography of user
The radiation coverage of the change adjustment multi-beam perimeter array antenna of distribution, can accordingly improve multi-beam perimeter array antenna
Radiation efficiency, be conducive to save operation cost.
The multi-beam perimeter array antenna of the present invention and phase distribution system of selection, it is possible to achieve according to the geography of user point
The radiation coverage of the change adjustment multi-beam perimeter array antenna of cloth, it is possible to achieve flexible to cover and of the invention is more
Beam torus array antenna structure is simple, can effectively reduce operation cost.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (9)
1. a kind of multi-beam perimeter array antenna, it is characterised in that including：It is set at least three antenna elements of annular array
And unit control apparatus, the antenna element is connected with the unit control apparatus and controlled by the unit control apparatus,
The unit control apparatus includes：Unit selection device, phase selector and phase converter,
The Unit selection device is connected with the antenna element, controls the opening and closing of the antenna element；
The phase selector is connected with the phase converter, selectes phase and the phase according to selected phase controlling
Converter；
The phase converter is connected with the antenna element, controls the phase distribution of the antenna element, corresponding to generate
Directional diagram.
2. multi-beam perimeter array antenna according to claim 1, it is characterised in that the phase converter includes difference
The cable of length, the cable different by connecting adjusts the phase of corresponding antenna element.
3. multi-beam perimeter array antenna according to claim 1, it is characterised in that the annular array is by 8 antennas
Unit is constituted.
4. multi-beam perimeter array antenna according to claim 1, it is characterised in that the phase distribution of the antenna element
For discrete type phase distribution.
5. multi-beam perimeter array antenna according to claim 4, it is characterised in that the phase of the discrete type phase distribution
Parallactic angle can include：At least three in -120, -90, -60, -45, -30,0,30,45,60,90,120 and 180.
6. the multi-beam perimeter array antenna according to any claim in claim 2 to 5, it is characterised in that described
Annular array is at least two layers in vertical direction.
7. multi-beam perimeter array antenna according to claim 6, it is characterised in that the antenna element includes：Successively
Outer media substrate, interlayer substrate, interlevel dielectrics substrate and the reflecting plate of setting,
The outer surface of the outer media substrate is provided with parasitic patch；The upper surface of the interlayer substrate is provided with spoke
Paster is penetrated, the inner surface of the interlayer substrate integrally adheres to the first metal ground plane；
The inner surface setting feed structure of the interlevel dielectrics substrate, the outer surface of the interlevel dielectrics substrate is integrally attached with
Two metal ground planes；
The feed structure is connected with the phase converter, controls the feed structure to feed by the phase converter；
The reflecting plate is located at the inner surface side of interlevel dielectrics substrate, and the reflecting plate is had time with the interlevel dielectrics substrate interval
Gas-bearing formation.
8. a kind of phase distribution of multi-beam perimeter array antenna using as described in any claim in claim 1 to 7
System of selection, it is characterised in that including：
The user geographical position generation target coverage area of communication overlay is carried out as needed；
Extract the characteristic value of the target coverage area, selected according to the characteristic value in array aerial direction figure database with
The directional diagram of the matching of the characteristic value；
It is selected by the corresponding antenna element of Unit selection device selection selection, and control according to the directional diagram of the matching
The phase converter and phase selector for the antenna element selected, to generate the directional diagram of the matching.
9. method according to claim 8, it is characterised in that the direction included in the array aerial direction figure database
Map number isWherein, N is individual for the phase angle of discrete type phase distribution
Number, M is the antenna element number of annular array.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019071507A1 (en) * | 2017-10-12 | 2019-04-18 | 深圳市大疆创新科技有限公司 | Antenna selection method and electronic device |
| CN109687167A (en) * | 2018-12-29 | 2019-04-26 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Aerial array for X-band wireless communication system |
| CN113541745A (en) * | 2021-07-01 | 2021-10-22 | 军事科学院系统工程研究院网络信息研究所 | Multi-mode dynamic multi-beam antenna system |
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| CN113541745A (en) * | 2021-07-01 | 2021-10-22 | 军事科学院系统工程研究院网络信息研究所 | Multi-mode dynamic multi-beam antenna system |
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