CN106229697A - Multi-input/output antenna device and aerial array - Google Patents
Multi-input/output antenna device and aerial array Download PDFInfo
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- CN106229697A CN106229697A CN201610753961.9A CN201610753961A CN106229697A CN 106229697 A CN106229697 A CN 106229697A CN 201610753961 A CN201610753961 A CN 201610753961A CN 106229697 A CN106229697 A CN 106229697A
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- high frequency
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- low
- buffer substrate
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention provides a kind of multi-input/output antenna device, including aerial array, earthing member and the multiple support columns connecting aerial array and earthing member.Aerial array definition has first and second length direction orthogonal and comprises: the square buffer substrate tablet that is positioned at antenna array center, two square high frequency antennas that four the square low-frequency antennas being distributed in four corners of aerial array are positioned at buffer substrate tablet on the first length direction and two low-frequency antennas that will be located in diagonal angle are respectively connecting to first and second feed-in section of adjacent high frequency antenna.Above-mentioned buffer substrate tablet, low-frequency antenna, high frequency antenna and first and second feed-in section constitute the most inverted S-shaped cabling via wire concatenation.Wherein, the length of side of buffer substrate tablet is different from the length of side of any one high frequency antenna, and the length of side of any one high frequency antenna is less than the length of side of any one low-frequency antenna.
Description
Technical field
The present invention relates to a kind of antenna assembly, particularly relate to a kind of multi-input/output antenna device and aerial array.
Background technology
The antenna gain maximum of existing single plate aerial (patch antenna) is about 8dBi, so must be by
Multiple plate aerials are combined into aerial array could promote antenna gain.But, existing aerial array is only by multiple flat boards
Antenna links together, and this causes oversize (the size summations of the most above-mentioned multiple plate aerials) of aerial array, because of
And range of application is limited to.
Then, inventors believe that drawbacks described above can be improved, be that spy concentrates on studies and coordinates the utilization of the principles of science, finally
The present invention that is a kind of reasonable in design and that be effectively improved drawbacks described above is proposed.
Summary of the invention
The embodiment of the present invention is to provide a kind of multi-input/output antenna device and aerial array, is used for solving existing sky
Problem produced by linear array.
The open a kind of multi-input/output antenna device of the embodiment of the present invention, including: an aerial array, definition has mutually hangs down
One first straight length direction and one second length direction, described aerial array comprises: a buffer substrate tablet, substantially square and setting
Center in described aerial array；One low frequency cell, comprises four substantially square low-frequency antennas and two the first jumpers,
Four described low-frequency antennas are distributed in four corners of described aerial array with being respectively separated；Adjacent and position is in described first length
Any two described low-frequency antennas on direction are connected with described first jumper, and two described first jumpers are each other
In opposite directions；One high frequency unit, comprises two the first substantially square high frequency antennas and two the first extension lines, two described first
High frequency antenna is positioned at the two opposite sides of described buffer substrate tablet and is all positioned on described first length direction with described buffer substrate tablet, adjacent and
Do not connect with described first jumper and be provided with described first high frequency antenna between two described low-frequency antennas each other；Described
Buffer substrate tablet is connected with described first extension line between the first high frequency antenna with any one described；Wherein, the limit of described buffer substrate tablet
The long length of side being different from any one described first high frequency antenna, the length of side of any one described first high frequency antenna is less than any one institute
State the length of side of low-frequency antenna；And a feed-in unit, comprise one first feed-in section and one second feed-in section, be positioned at described aerial array
Clinodiagonal two described low-frequency antennas are connected to adjacent institute with described first feed-in section with described second feed-in section respectively
State the first high frequency antenna；And earthing member and multiple support columns, described antenna array is fixed in one end of multiple described support columns
Row, and the other end of multiple described support column is fixed on described earthing member so that described aerial array and described earthing member in
Every setting.
The embodiment of the present invention also open a kind of aerial array, definition has orthogonal one first length direction and one second
Length direction, described aerial array comprises: a buffer substrate tablet, is square and is arranged at the center of described aerial array；One low frequency list
Unit, comprises four substantially square low-frequency antennas and two the first jumpers, and four described low-frequency antennas divide with being respectively separated
It is distributed in four corners of described aerial array；Adjacent and any two described low-frequency antennas that position is on described first length direction with
One described first jumper is connected, and two described first jumpers are toward each other；One high frequency unit, comprises two substantially
The first high frequency antenna being square and two the first extension lines, two described first high frequency antennas are positioned at the contrary of described buffer substrate tablet
Both sides are also all positioned on described first length direction with described buffer substrate tablet, adjacent and do not connect each other with described first jumper
Described first high frequency antenna it is provided with between two described low-frequency antennas；Described buffer substrate tablet and any one described first high frequency sky
Connect with described first extension line between line；Wherein, the length of side of described buffer substrate tablet is different from any one described first high frequency sky
The length of side of line, the length of side of any one described first high frequency antenna is less than the length of side of any one described low-frequency antenna；And a feed-in
Unit, comprises one first feed-in section and one second feed-in section, is positioned at clinodiagonal two the described low-frequency antennas of described aerial array
It is connected to adjacent described first high frequency antenna with described second feed-in section respectively with described first feed-in section.
In sum, the multi-input/output antenna device disclosed in the embodiment of the present invention and aerial array, it is through setting
Put buffer substrate tablet, and make the first feed-in section can share said two first high when inputting high-frequency signals with the second feed-in section
Frequently antenna and buffer substrate tablet, to reach to reduce the effect of antenna array size.
Furthermore, the length of side of described buffer substrate tablet is different from the length of side of any one the first high frequency antenna, uses and makes the humorous of buffer substrate tablet
Vibration frequency is different from the high-frequency band that each first high frequency antenna is suitable for, and then promotes respectively from described first feed-in Duan Yu
Two feed-in section feed-ins, and along contrary two directions isolation between two the first high frequency antennas and the signal of buffer substrate tablet.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of multi-input/output antenna device of the present invention.
Fig. 2 is the floor map of Fig. 1.
Fig. 3 is the perspective cross-sectional schematic diagram of Fig. 1.
Fig. 4 is the partial schematic diagram of Fig. 1.
Fig. 5 is another partial schematic diagram of Fig. 1.
Fig. 6 is the test signal that multi-input/output antenna device of the present invention uses the first feed-in section and the second feed-in section
Figure.
Fig. 7 is the floor map of multi-input/output antenna another embodiment of device of the present invention.
In figure:
100: aerial array
1: buffer substrate tablet
2: low frequency cell
21: low-frequency antenna
22: the first jumpers
23: the second jumpers
3: high frequency unit
31: the first high frequency antennas
32: the second high frequency antennas
33: the first extension lines
34: the second extension lines
4: feed-in unit
41: the first feed-in sections
42: the second feed-in sections
43: the three feed-in sections
44: the four feed-in sections
5: matching unit
51: matching section
200: earthing member
300: support column
D1: the first length direction
D2: the second length direction
L1, L2, L3: the length of side
F1, F2: signal load point
A: the first dual frequency flat panel antenna
B: the second dual frequency flat panel antenna
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings to the present invention for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
Detailed description of the invention be described in detail.
Refer to Fig. 1 to Fig. 6, for embodiments of the invention, need to first illustrate, mentioned by the present embodiment respective figure
Correlated measure and external form, be only used for specifically describing embodiments of the present invention, in order to understand present disclosure, rather than use
Limit to protection scope of the present invention.
As shown in Figure 1 to Figure 3, the present embodiment be a kind of multiple-input and multiple-output (multi-input multi-output,
MIMO) antenna assembly, it includes the dual frequency flat panel antenna that at least two groups can be shared each other, uses and effectively reduce entirety
Size.Described multi-input/output antenna device includes aerial array 100, earthing member 200 and a multiple support column 300.Its
In, described earthing member 200 is that a flat board and area are more than above-mentioned aerial array 100 in the present embodiment；Above-mentioned multiple support
One end (support column 300 top in Fig. 3) of post 300 be fixed on as described in aerial array 100, and multiple support column 300 is another
One end (support column 300 bottom in Fig. 3) be fixed on as described in earthing member 200 so that described aerial array 100 and earthing member
200 are set in distance.
Need to first illustrate, for enabling above-mentioned at least two group plate aerials mutually to share assembly each other, the present embodiment
Proposition can effectively promote the technical characteristic of degree of being isolated from each other, and can make often to organize plate aerial and possess the antenna more than 8dBi and increase
Benefit.Furthermore, " substantially square " described in following of the present embodiment refers to square, the length-width ratio rectangle close to 1, shape
Become to have fillet or the square of chamfering or other are similar to foursquare external form.The antenna of the present embodiment will be first described below
Array 100 constructs, and introduces the running of above-mentioned aerial array 100 the most again.
The profile of described aerial array 100 is substantially square and adjacent two edges definition in its profile has orthogonal
One first length direction D1 and one second length direction D2.Described aerial array 100 comprises substantially square and is arranged at antenna
One buffer substrate tablet 1, low frequency cell 2, high frequency unit 3, feed-in unit 4 and a matching unit 5 at array 100 center.Yu Ben
In embodiment, the center of described buffer substrate tablet 1 is the center of above-mentioned aerial array 100, and aerial array 100 is relative to buffering
The center of sheet 1 is substantially in 90 degree rotationally symmetrical (4-fold symmetry).Described buffer substrate tablet 1 with high frequency unit 3 substantially in putting down altogether
Face is arranged, and described low frequency cell 2 compared to the height H1 of earthing member 200 more than described high frequency unit 3 compared to earthing member
The height H2 of 200.
Described low frequency cell 2 includes four low-frequency antennas 21, two that are substantially square and that substantially arrange in copline
First jumper 22 and two the second jumpers 23.Aforementioned four low-frequency antenna 21 is distributed in aerial array 100 with being respectively separated
Four corners, and each low-frequency antenna 21 do not covers buffer substrate tablet 1 in the height direction.
Wherein, any two low-frequency antenna 21 (left sides two in such as Fig. 2 adjacent and that position is on described first length direction D1
Individual low-frequency antenna 21 or two, right side low-frequency antenna 21) be connected with first jumper 22, and described two first across
Wiring 22 is along the second length direction D2 toward each other.And adjacent and that position is on described second length direction D2 any two low frequency skies
Line 21 (such as two, the upside in Fig. 2 low-frequency antenna 21 or two, downside low-frequency antenna 21) is with second jumper 23 phase
Connect, and described two the second jumpers 23 are along the first length direction D1 toward each other.
Furthermore, any one low-frequency antenna 21 is (such as the right side of the low-frequency antenna 21 in the upper left corner in Fig. 2 with adjacent two edges
Edge and lower edge) center be connected to the first corresponding jumper 22 and the second corresponding jumper 23.
Described high frequency unit 3 comprises two substantially square the first high frequency antennas 31, two substantially square second
First extension line 33 of 32, two linearities of high frequency antenna and the second extension line 34 of two linearities, and any of the above-described
The length of side of the second high frequency antenna 32 is equal to the length of side of any one the first high frequency antenna 31.
Said two the first high frequency antenna 31 is positioned at the two opposite sides of buffer substrate tablet 1 and is all positioned at described first with buffer substrate tablet 1
On length direction D1, and adjacent and do not connect with the first jumper 22 and between two low-frequency antennas 21 each other, be provided with one
It is connected with first extension line 33 between one high frequency antenna 31, and described buffer substrate tablet 1 with any one first high frequency antenna 31.
Wherein, the center of described buffer substrate tablet 1, two the first extension lines 33 and two the first high frequency antennas 31 are all positioned at described first length
On degree direction D1.It is to say, the center of the described contrary two edges of buffer substrate tablet 1 is respectively via above-mentioned two the first extension lines 33
It is connected to the center at adjacent (and parallel) edge of two the first high frequency antennas 31.
Said two the second high frequency antenna 32 is positioned at the two opposite sides of buffer substrate tablet 1 and is all positioned at described second with buffer substrate tablet 1
On length direction D2, and adjacent and do not connect with the second jumper 23 and be provided with one second between two low-frequency antennas 21 each other
It is connected with second extension line 34 between high frequency antenna 32, and described buffer substrate tablet 1 with any one second high frequency antenna 32.Its
In, the center of described buffer substrate tablet 1, two the second extension lines 34 and two the second high frequency antennas 32 are all positioned at described second length
On the D2 of direction.It is to say, the center of the described contrary two edges of buffer substrate tablet 1 connects via above-mentioned two the second extension lines 34 respectively
It is connected to the center at adjacent (and parallel) edge of two the second high frequency antennas 32.
In more detail, length of side L1 of described buffer substrate tablet 1 is different from the limit of (such as: be more than) any one the first high frequency antenna 31
Long L3, preferably length of side L1 of buffer substrate tablet 1 length of side L2 between arbitrary low-frequency antenna 21 and the limit of arbitrary first high frequency antenna 31
Between long L3.And length of side L3 of any one the first high frequency antenna 31 is less than length of side L2 of any one low-frequency antenna 21.
Wherein, the low frequency frequency range at signal place that each low-frequency antenna 21 can be used for processing in the present embodiment is
2300MHz～2700MHz, and each first high frequency antenna 31 and each second high frequency antenna 32 can be used for locating in the present embodiment
The high-frequency band at the signal place of reason is 3400MHz～3800MHz, but the present invention is not only restricted to this.
When described low frequency cell 2 and high frequency unit 3 orthographic projection are in earthing member 200 (such as Fig. 2), each first jumper 22
Two low-frequency antennas 21 being connected and between the second high frequency antenna 32 (such as two, the left side in Fig. 2 low-frequency antenna 21 and
Left side the second high frequency antenna 32) outward flange mutually trim and in conllinear arrange；Connected two of each second jumper 23
Low-frequency antenna 21 and between the first high frequency antenna 31 (such as two, the upside in Fig. 2 low-frequency antenna 21 and upside the first high frequency
Antenna 31) outward flange mutually trim and in conllinear arrange.
Furthermore, arbitrary first jumper 22 orthographic projection in the second adjacent high frequency antenna 32 view field formed thereby,
Be position at adjacent second high frequency antenna 32 center away from the side of buffer substrate tablet 1 (outside the second high frequency antenna 32 center in such as Fig. 2
Side).Arbitrary described second jumper 23 orthographic projection, in the first adjacent high frequency antenna 31 view field formed thereby, is that position exists
Adjacent first high frequency antenna 31 center is away from the side (such as the outside at the first high frequency antenna 31 center in Fig. 2) of buffer substrate tablet 1.Mat
This, arbitrary first jumper 22 is through above-mentioned spread configuration, it is possible to avoid affecting the antenna gain of adjacent second high frequency antenna 32；
And arbitrary second jumper 23 is through above-mentioned spread configuration, it is possible to avoid affecting the antenna gain of adjacent first high frequency antenna 31.
Described feed-in unit 4 comprises one first feed-in section 41,1 second feed-in section 42, the 3rd feedback being separated from each other setting
The section of entering 43 and one the 4th feed-in section 44.It is positioned at described aerial array 100 clinodiagonal two low-frequency antennas 21 (such as upper left in Fig. 2
Angle and the two of the lower right corner low-frequency antennas 21) it is connected to adjacent with above-mentioned first feed-in section 41 with the second feed-in section 42 respectively
First high frequency antenna 31；And be not attached to above-mentioned first feed-in section 41 and the second feed-in section 42 two low-frequency antennas 21 (as
The upper right corner and two low-frequency antennas 21 in the lower left corner in Fig. 2) connect with described 3rd feed-in section 43 and the 4th feed-in section 44 respectively
It is connected to the second adjacent high frequency antenna 32.
Wherein, described first feed-in section the 41, second feed-in section the 42, the 3rd feed-in section 43 and the 4th feed-in section 44 are in this reality
Execute example to be all substantially u-shaped and is respectively arranged with and locally vertically bend towards earthing member direction, in order to select appropriate location to make thereon
For signal load point F1, F2, F3, F4.Each signal load point F1, F2, F3, F4 can be adjusted it according to user demand
Position, and in the present embodiment, signal load point F1, F2, F3, the F4 in arbitrary feed-in section 41,42,43,44 be further from
The low-frequency antenna 21 that it is connected, but the present invention is not only restricted to this.
Described matching unit 5 includes the matching section 51 of four L-shaped, and aforementioned four matching section 51 in the present embodiment
It is connected to described first feed-in section the 41, second feed-in section the 42, the 3rd feed-in section 43 and the 4th feed-in section 44, in order to conduct
Matching and modification is used.But, the present invention can also carry out Matching and modification through other modes, and is not only restricted to use above-mentioned coupling
Unit 5.Such as, use circuit board (not shown) to carry out Matching and modification, or adjust described feed-in unit 4 and earthing member
Distance between 200, or be to adjust described first feed-in section the 41, second feed-in section the 42, the 3rd feed-in section 43 and the 4th feedback
The width of the section of entering 44.
Additionally, buffer substrate tablet 1, low-frequency antenna 21, high frequency unit 3, feed-in unit 4 and matching unit 5 in the present embodiment are
Punching press bends single lamellar body and integrally formed structure, but the present invention is not only restricted to this.
Being more than the structure explanation of the present embodiment multi-input/output antenna device, following then to introduce above-mentioned multi input many
The running of output antenna assembly.Wherein, due to first feed-in section the 41, second feed-in section the 42, the 3rd feedback of described aerial array 100
The section of entering 43 and the 4th feed-in section 44 can feed-in signal simultaneously, so for ease of understanding the present embodiment multi-input/output antenna
The running of device, the present embodiment is reduced to the operating mode when polarised direction is parallel as shown in Figure 4 and such as Fig. 5 institute
The operating mode when polarised direction is vertical shown.
As shown in Figure 4, described first feed-in section 41, the matching section 51 being connected and along the first length direction D1 institute sequentially phase
Two low-frequency antennas 21 (such as two, the left side in Fig. 4 low-frequency antenna 21) even, 22, two the first high frequencies of first jumper
31, two the first extension lines 33 of antenna and buffer substrate tablet 1, can be by as one first dual frequency flat panel antenna A.Described second feed-in section
42, the matching section 51 being connected and two low-frequency antennas 21 being sequentially connected along the first length direction D1 are (such as the right side in Fig. 2
Two low-frequency antennas 21), first jumper 22, two the first high frequency antennas 31, two first extension lines 33 and buffer substrate tablets
1, can be by as one second dual frequency flat panel antenna B.
Therefore, described first dual frequency flat panel antenna A and the second dual frequency flat panel antenna B, when processing high-frequency signals, all needs
It is used in conjunction with 31, two the first extension lines 33 of above-mentioned two the first high frequency antenna and buffer substrate tablet 1, it is thus possible to effectively drop
The size of low aerial array.Furthermore, processing high frequency for promoting the first dual frequency flat panel antenna A and the second dual frequency flat panel antenna B
Isolation during signal, described aerial array 100 is through length of side L1 of buffer substrate tablet 1 is different from any one first high frequency antenna 31
Length of side L3, so the resonant frequency of buffer substrate tablet 1 is different from described high-frequency band so that respectively from described first feed-in section 41 with
Second feed-in section 42 feed-in, and along contrary two directions (such as the basipetal direction in Fig. 4 and direction from lower to upper) warp
Cross and there is between two the first high frequency antennas 31 and the signal of buffer substrate tablet 1 isolation (as shown in Figure 6, this enforcement less than-15dB
Example can be less than the isolation of-18dB).
In like manner, refer to Fig. 2, described 3rd feed-in section 43, the matching section 51 being connected and depended on along the second length direction D2
Two low-frequency antennas 21 (such as two, the upside in Fig. 2 low-frequency antenna 21) that sequence is connected, second jumper 23, two second
32, two the second extension lines 34 of high frequency antenna and buffer substrate tablet 1, can be by as one the 3rd dual frequency flat panel antenna C.Described 4th feedback
The section of entering 44, the matching section 51 being connected and two low-frequency antennas 21 being sequentially connected along the second length direction D2 are (in Fig. 2
Two low-frequency antennas 21 in downside), the second jumper 32, two second extension lines 34 of 23, two the second high frequency antennas and slow
Punching 1, can be by as one the 4th dual frequency flat panel antenna D.
Therefore, described 3rd dual frequency flat panel antenna C and the second dual frequency flat panel antenna D, when processing high-frequency signals, all needs
It is used in conjunction with 32, two the second extension lines 34 of above-mentioned two the second high frequency antenna and buffer substrate tablet 1, it is thus possible to effectively drop
The size of low aerial array.Furthermore, processing high frequency for promoting the 3rd dual frequency flat panel antenna C and the 4th dual frequency flat panel antenna D
Isolation during signal, described aerial array 100 is different from described high-frequency band through the resonant frequency of buffer substrate tablet 1, so that point
Not from described 3rd feed-in section 43 and the 4th feed-in section 44 feed-in, and along contrary two directions through two described second high frequency antennas
(the present embodiment can be less than the isolation of-18dB to have the isolation less than-15dB between 32 and the signal of buffer substrate tablet 1
Degree).
As it is shown in figure 5, it is the first dual frequency flat panel antenna A and the 3rd dual frequency flat panel antenna C.Above-mentioned first double frequency flat board sky
Line A and the 3rd dual frequency flat panel antenna C is to share low-frequency antenna 21 (the upper left side low-frequency antenna 21 as in Fig. 5) and a buffer substrate tablet
1, above-mentioned shared low-frequency antenna 21 be with the center at its adjacent two edges be connected to the first jumper 22 of correspondence with
The second corresponding jumper 23, and low-frequency antenna 21 is zero at the cross section electric field of edge center, so above-mentioned first double frequency flat board
Antenna A and the 3rd dual frequency flat panel antenna C, will not be the most dry between two adjacent low-frequency antennas 21 when processing low-frequency signal
Disturb.
Furthermore, the center of the described contrary two edges of buffer substrate tablet 1 is connected to via above-mentioned two the first extension lines 33 respectively
The center at adjacent (and parallel) edge of two the first high frequency antennas 31, and the center of the other two edges of described buffer substrate tablet 1 divides
It is not connected to the center at adjacent (and parallel) edge of two the second high frequency antennas 32 via above-mentioned two the second extension lines 34.
Described buffer substrate tablet 1 is zero and resonant frequency is different from described high-frequency band at the cross section electric field of edge center, so above-mentioned
One dual frequency flat panel antenna A and the 3rd dual frequency flat panel antenna C is when processing high-frequency signals, and described first high frequency antenna 31 and second is high
Frequently antenna 32 will not interfere.
In like manner, described first dual frequency flat panel antenna A, the second dual frequency flat panel antenna B, the 3rd dual frequency flat panel antenna C and the 4th
Other combination operating modes of dual frequency flat panel antenna D are similar to the operating mode that above-mentioned Fig. 4 Yu Fig. 5 is introduced, so the present embodiment
It is not repeated here.Wherein, described first dual frequency flat panel antenna A, the second dual frequency flat panel antenna B, the 3rd dual frequency flat panel antenna C,
And the 4th antenna gain measured in above-mentioned low frequency frequency range and high-frequency band for dual frequency flat panel antenna D approximately as shown in table:
Additionally, the aerial array 100 of the present embodiment is to be described with the structure shown in Fig. 2, but in the actual used time, this
Bright aerial array 100 can also structure as shown in Figure 4.Furthermore, though Fig. 2 of the present embodiment is with length of side L1 of buffer substrate tablet 1
It is described between length of side L2 and length of side L3 of arbitrary first high frequency antenna 31 of arbitrary low-frequency antenna 21, but is not only restricted to
This.For example, as it is shown in fig. 7, length of side L1 of described buffer substrate tablet 1 might be less that the length of side of any one the first high frequency antenna 31
L3, this can reach effect of above-mentioned lifting isolation equally.
The foregoing is only the preferable possible embodiments of the present invention, it is also not used to limit to the scope of the claims of the present invention, all
The equalization change done according to scope of the present invention patent and modification, all should belong to the covering scope of the present invention.
Claims (10)
1. a multi-input/output antenna device, including:
One aerial array, definition has orthogonal one first length direction and one second length direction, described aerial array bag
Contain:
One buffer substrate tablet, substantially square and be arranged at the center of described aerial array；
One low frequency cell, comprises four substantially square low-frequency antennas and two the first jumpers, four described low-frequency antennas
It is distributed in four corners of described aerial array with being respectively separated；Any two institutes adjacent and that position is on described first length direction
State low-frequency antenna to be connected with described first jumper, and two described first jumpers are toward each other；
One high frequency unit, comprises two the first substantially square high frequency antennas and two the first extension lines, two described first
High frequency antenna is positioned at the two opposite sides of described buffer substrate tablet and is all positioned on described first length direction with described buffer substrate tablet, adjacent and
Do not connect with described first jumper and be provided with described first high frequency antenna between two described low-frequency antennas each other；Described
Buffer substrate tablet is connected with described first extension line between the first high frequency antenna with any one described；
Wherein, the length of side of described buffer substrate tablet is different from the length of side of any one described first high frequency antenna, any one described first height
Frequently the length of side of antenna is less than the length of side of any one described low-frequency antenna；And
One feed-in unit, comprises one first feed-in section and one second feed-in section, is positioned at clinodiagonal two institutes of described aerial array
State low-frequency antenna and be connected to adjacent described first high frequency antenna with described first feed-in section with described second feed-in section respectively；
And
One earthing member and multiple support columns, one end of multiple described support columns is fixed on described aerial array, and multiple described
The other end of dagger is fixed on described earthing member, so that described aerial array is set in distance with described earthing member.
2. multi-input/output antenna device as claimed in claim 1, wherein, each described first high frequency antenna can be used for locating
Manage the signal of a high-frequency band, and the resonant frequency of described buffer substrate tablet is different from described high-frequency band, so that respectively from described
One feed-in section and described second feed-in section feed-in, and along contrary two directions through two described first high frequency antennas and described buffering
There is between the signal of sheet the isolation less than-15dB.
3. multi-input/output antenna device as claimed in claim 2, wherein, the length of side of described buffer substrate tablet is between arbitrary described
Between the length of side and the length of side of arbitrary described first high frequency antenna of low-frequency antenna.
4. multi-input/output antenna device as claimed in claim 1, wherein, described low frequency cell further includes two
Second jumper, any two described low-frequency antennas adjacent and that position is on described second length direction bridge with one described second
Line is connected, and two described second jumpers are toward each other；Described high frequency unit further include two substantially square
The second high frequency antenna and two the second extension lines, the length of side of any one described second high frequency antenna equal to any one described first
The length of side of high frequency antenna, two described second high frequency antennas be positioned at described buffer substrate tablet two opposite sides and with described buffer substrate tablet all positions
On described second length direction, adjacent and do not connect with described second jumper and arrange between two described low-frequency antennas each other
There is described second high frequency antenna；Extend with one described second between described buffer substrate tablet and any one described second high frequency antenna
Line connects；Described feed-in unit comprises one the 3rd feed-in section and one the 4th feed-in section further, is not attached to described first feed-in
Section and two described low-frequency antennas of described second feed-in section are respectively with described 3rd feed-in section and described 4th feed-in Duan Erlian
It is connected to adjacent described second high frequency antenna.
5. multi-input/output antenna device as claimed in claim 4, wherein, the center of described buffer substrate tablet, two articles described the
One extension line and two described first high frequency antennas are all positioned on described first length direction；The center of described buffer substrate tablet, two
Described second extension line and two described second high frequency antennas are all positioned on described second length direction.
6. multi-input/output antenna device as claimed in claim 4, wherein, any one described low-frequency antenna is with adjacent two
The center at individual edge is connected to described first jumper of correspondence and corresponding described second jumper.
7. multi-input/output antenna device as claimed in claim 4, wherein, arbitrary described first jumper orthographic projection is in phase
The view field that adjacent described second high frequency antenna is formed thereby, be position at adjacent described second high frequency antenna center away from described
The side of buffer substrate tablet；Arbitrary described second jumper orthographic projection is in an adjacent described first high frequency antenna projected area formed thereby
Territory, be position at adjacent described first high frequency antenna center the side away from described buffer substrate tablet.
8. the multi-input/output antenna device as described in claims arbitrary in claim 4 to 7, wherein, described aerial array
Substantially rotationally symmetrical in 90 degree relative to the center of described buffer substrate tablet；Four described low-frequency antennas are substantially arranged in copline, institute
State buffer substrate tablet substantially to arrange in copline with described high frequency unit, and described low frequency cell is compared to the height of described earthing member
More than described high frequency unit compared to the height of described earthing member.
9. an aerial array, definition has orthogonal one first length direction and one second length direction, described antenna array
Row comprise:
One buffer substrate tablet, is square and is arranged at the center of described aerial array；
One low frequency cell, comprises four substantially square low-frequency antennas and two the first jumpers, four described low-frequency antennas
It is distributed in four corners of described aerial array with being respectively separated；Any two institutes adjacent and that position is on described first length direction
State low-frequency antenna to be connected with described first jumper, and two described first jumpers are toward each other；
One high frequency unit, comprises two the first substantially square high frequency antennas and two the first extension lines, two described first
High frequency antenna is positioned at the two opposite sides of described buffer substrate tablet and is all positioned on described first length direction with described buffer substrate tablet, adjacent and
Do not connect with described first jumper and be provided with described first high frequency antenna between two described low-frequency antennas each other；Described
Buffer substrate tablet is connected with described first extension line between the first high frequency antenna with any one described；
Wherein, the length of side of described buffer substrate tablet is different from the length of side of any one described first high frequency antenna, any one described first height
Frequently the length of side of antenna is less than the length of side of any one described low-frequency antenna；And
One feed-in unit, comprises one first feed-in section and one second feed-in section, is positioned at clinodiagonal two institutes of described aerial array
State low-frequency antenna and be connected to adjacent described first high frequency antenna with described first feed-in section with described second feed-in section respectively.
10. aerial array as claimed in claim 9, wherein, described low frequency cell further includes two the second jumpers,
Any two described low-frequency antennas adjacent and that position is on described second length direction are connected with described second jumper, and
Two described second jumpers are toward each other；Described high frequency unit further includes two the second substantially square high frequency skies
Line and two the second extension lines, the length of side of any one described second high frequency antenna is equal to the limit of any one described first high frequency antenna
Long, two described second high frequency antennas are positioned at the two opposite sides of described buffer substrate tablet and are all positioned at described second length with described buffer substrate tablet
On degree direction, adjacent and do not connect with described second jumper and between two described low-frequency antennas each other, be provided with one described the
Two high frequency antennas；Described buffer substrate tablet is connected with described second extension line between the second high frequency antenna with any one described；Described
Feed-in unit comprises one the 3rd feed-in section and one the 4th feed-in section further, is not attached to described first feed-in section and described second
Two described low-frequency antennas of feed-in section are connected to adjacent institute with described 3rd feed-in section with described 4th feed-in section respectively
State the second high frequency antenna.
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Cited By (1)
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| CN110970721A (en) * | 2019-12-16 | 2020-04-07 | 耀登电通科技（昆山）有限公司 | Shared antenna assembly and shared antenna structure |
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| US20150318624A1 (en) * | 2004-12-21 | 2015-11-05 | Q-Track Corporation | Embedded Symmetric Multiple Axis Antenna System With Isolation Among The Multiple Axes |
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