CN105990656A - Antenna, antenna system and communication device - Google Patents
Antenna, antenna system and communication device Download PDFInfo
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- CN105990656A CN105990656A CN201510050849.4A CN201510050849A CN105990656A CN 105990656 A CN105990656 A CN 105990656A CN 201510050849 A CN201510050849 A CN 201510050849A CN 105990656 A CN105990656 A CN 105990656A
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- 238000004891 communication Methods 0.000 title claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 121
- 239000000758 substrate Substances 0.000 claims abstract description 71
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000010363 phase shift Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 241000533950 Leucojum Species 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention relates to an antenna and an antenna system and a communication device using the antenna. The antenna comprises a first substrate, a second substrate, a first radiation sheet and a second radiation sheet. The first radiation sheet is arranged on the first substrate. The second substrate is arranged on the first radiation sheet. The second radiation sheet is arranged on the second substrate. Of the first radiation sheet and the second radiation sheet, one is provided with a first feed part and a second feed part arranged on a second symmetry axis of the radiation feet and a third feed part and a fourth feed part arranged on a first symmetry axis of the radiation feet, and the other is provided with a fifth feed part and a sixth feed part arranged on a second symmetry axis of the radiation sheet and a seventh feed part and an eighth feed part arranged on a first symmetry axis of the radiation sheet. The first substrate, the second substrate, the first radiation sheet and the second radiation sheet are cambered surfaces.
Description
Technical field
The present invention relates to wireless communication field, especially relate to a kind of antenna, and use the aerial system of this antenna
System and communication equipment.
Background technology
Antenna is a kind of electronic device for launching or receive electromagnetic wave.Antenna applications in broadcast and TV,
The systems such as point-to-point radio communication, radar and space probation.Along with developing rapidly of wireless communication technology,
Field involved by antenna technology is more and more extensive.In many special applications, for the requirement of antenna performance
More and more higher.In modern communications, along with the raising of communication system integrated level, it is desirable to the antenna tool of use
There are the features such as high-gain, broadband or multiband, circular polarisation, miniaturization, wide covering.
But, in current prior art, when needs multiband (such as, two-band) antenna or multiband
During circular polarized antenna, it is common that realize different frequency ranges respectively, at this by multiple feed port and multiple antenna
In the case of Zhong, the output of a usual feed port needs a whole set of signal processing apparatus follow-up to process, also
Need multiple antenna to respond the aerial signal of different frequency range, so, if multifrequency to be realized in prior art
Section, high-gain and circular polarisation just certainly will increase the quantity of antenna, but if the quantity increasing antenna may result in
Interfering enhancing and then affecting the performance of circular polarisation between multiple antennas, also results between multiple antenna simultaneously
Complex structural designs, and then cause final antenna size to become big, therefore, how to realize making antenna have many
The problem that the advantage always industries such as frequency range, circular polarisation, miniaturization, wide covering need solution badly.
Summary of the invention
The technical problem to be solved is to provide a kind of antenna.
The present invention solves that above-mentioned technical problem employed technical scheme comprise that a kind of antenna, including the first base
Plate, second substrate, the first radiation fin and the second radiation fin, described first radiation fin is arranged on described first base
On plate, described second substrate is arranged on described first radiation fin, and described second radiation fin is arranged on described
On two substrates, in described first radiation fin and described second radiation fin have lay respectively at place radiation
The second current feed department on first current feed department of the second axis of symmetry of sheet and the 3rd current feed department and the first axis of symmetry and
4th current feed department, another have the 5th current feed department on the second axis of symmetry laying respectively at place radiation fin and
The 6th current feed department on 7th current feed department and the first axis of symmetry and the 8th current feed department, described first substrate, second
Substrate, the first radiation fin and the second radiation fin are cambered surface.
Alternatively, described first current feed department and the 3rd current feed department are symmetrical about place radiation fin the first axis of symmetry,
And described second current feed department and the 4th current feed department are symmetrical about place radiation fin the second axis of symmetry.
Alternatively, described 5th current feed department and the 7th current feed department are symmetrical about place radiation fin the first axis of symmetry,
And described 6th current feed department and the 8th current feed department are symmetrical about place radiation fin the second axis of symmetry.Alternatively, institute
It is coaxial for stating the first current feed department, described second current feed department, described 3rd current feed department and described 4th current feed department
Current feed department.
Alternatively, described 5th current feed department, described 6th current feed department, described 7th current feed department and described
Eight current feed departments are coaxial feed portion.
Alternatively, described each current feed department is electrically insulated.
Alternatively, described first radiation fin and the projection in the horizontal plane of described second radiation fin are rectangle.
Alternatively, the size being smaller in size than described second substrate of described second radiation fin, and described first spoke
Penetrate the size being smaller in size than described first substrate of sheet.
Alternatively, the size of described first radiation fin is more than the size of described second radiation fin.
Alternatively, the central point of described second radiation fin projection on described first radiation fin and described first
The central point of radiation fin overlaps.
Alternatively, the first axis of symmetry of described second radiation fin and the projection on a horizontal plane of second axis of symmetry
Overlap with the first axis of symmetry and the projection on this horizontal plane of second axis of symmetry of described first radiation fin respectively.
Alternatively, the curvature of described first substrate, second substrate, the first radiation fin and the second radiation fin is homogeneous
With.
Alternatively, it is placed with artificial micro-knot in the inner horizontal direction of described first substrate or vertical direction
Structure.
Alternatively, it is placed with artificial micro-knot in the inner horizontal direction of described second substrate or vertical direction
Structure.
Alternatively, the shape of described man-made microstructure include I-shaped or cross or snowflake shape,
Or the hollow disconnected.Alternatively, described first substrate and the projection in the horizontal plane of described second substrate
It is rectangle.
Alternatively, the thickness of described first substrate is less than the thickness of described second substrate.
Alternatively, described first radiation fin and described second radiation fin respectively attach to described first substrate and
The metal patch of described second substrate or plating are in described first substrate and the coat of metal of described second substrate.
The present invention also proposes a kind of antenna system, including feed port, antenna, combiner and the first merit
Dividing device and the second power splitter, described antenna is antenna as above, and the first end of described combiner connects institute
Stating feed port, the second end of described combiner connects the first end of described first power splitter, described combiner
Three-terminal link described in the first end of the second power splitter, the second end of described first power splitter connects described the
One current feed department, the 3rd end of described first power splitter connects described second current feed department, institute by 90 ° of phase shifters
The 4th end stating the first power splitter connects described 3rd current feed department by 180 ° of phase shifters, and described first merit is divided
5th end of device connects described 4th current feed departments by 270 ° of phase shifters, and the of described second power splitter
Two ends connect described 5th current feed department, and the 3rd end of described second power splitter connects described by 90 ° of phase shifters
6th current feed department, the 4th end of described second power splitter connects described 5th current feed department by 180 ° of phase shifters,
7th end of described second power splitter connects described 8th current feed department by 270 ° of phase shifters.
Alternatively, described 90 ° of phase shifters, 180 ° of phase shifters, 270 ° of phase shifters are by regulation transmission line
Length realizes 90 ° of phase shifts, 180 ° of phase shifts, 270 ° of phase shifts respectively.
The present invention also proposes a kind of communication equipment, including antenna system as above.
The antenna of the present invention uses the first radiation fin and second radiation fin of stacking, can reduce the volume of antenna
And size.The antenna of the present invention is by setting respectively on first axis of symmetry and the second axis of symmetry of each radiation fin
Count four different current feed departments, then by four power splitters and 90 ° of phase shifters, 180 ° of phase shifters, 270
° phase shifter connects this four current feed departments, respectively so that each radiation fin can be implemented separately circular polarisation.
This individual antenna of the present invention can be achieved with the technical scheme of circular polarisation, many compared to needing in prior art
For individual antenna coordinates to realize circular polarisation jointly, it is evident that there is the advantage of low cost, and structure designs
Simply, it is not necessary to the labyrinth design of multiple antennas.Meanwhile, the present invention is by phase shifter, power splitter etc.
Multiple technologies means combine, so that this antenna can realize multiband, circular polarisation, miniaturization, wide covering
Deng.
Accompanying drawing explanation
For the above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing to this
Bright detailed description of the invention elaborates, wherein:
Fig. 1 illustrates the perspective view of the antenna of one embodiment of the invention；
Fig. 2 illustrates the floor map of the antenna of one embodiment of the invention；
Fig. 3 illustrates the current feed department schematic diagram of the antenna of one embodiment of the invention；
Fig. 4 illustrates the structural representation of the antenna system of one embodiment of the invention；
Fig. 5 illustrates the voltage standing wave ratio curve chart of the antenna of the embodiment of the present invention；
Fig. 6 illustrates the gain curve figure of the antenna of the embodiment of the present invention；
Fig. 7 illustrates that the axle of the antenna of the embodiment of the present invention compares curve chart.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the invention will be further described, elaborates more in the following description
Many details so that fully understanding the present invention, but the present invention obviously can with multiple be different from this describe other
Mode is implemented, those skilled in the art can in the case of intension of the present invention according to practical situations
Make similar popularization, deduce, the most should be with content constraints protection scope of the present invention of this specific embodiment.
Fig. 1 illustrates the perspective view of the antenna of one embodiment of the invention.Fig. 2 illustrates that the present invention one is real
Execute the floor map of the antenna of example.With reference to shown in Fig. 1 and Fig. 2, the antenna 10 of the present embodiment can include the
One substrate 11, second substrate the 12, first radiation fin 13 and the second radiation fin 14.First radiation fin 13 is arranged on
On first substrate 11.Second radiation fin 14 is arranged on second substrate 12.First substrate 11 and second substrate
12 are made up of dielectric substrate.First radiation fin 13 and the second radiation fin 14 by conductive material, such as metal
Make.Radiation fin can be patch form, it is also possible to be the coating through chemical wet etching.Each radiation fin and
This assembled unit of corresponding substrate constitutes one and receives and send path.In the present embodiment, two combinations are single
Unit is combined into antenna further in the way of overlapping.It is to say, second substrate 12 is arranged on the first radiation fin 13
On.The antenna of the present invention uses the first radiation fin and second radiation fin of stacking, can reduce antenna volume and
Size.
In the present embodiment, in order to realize the circular polarisation of antenna, using four feedback methods to implement, four feeds are adopted
Mutually compensate for different phase shifts, such that it is able to improve impedance bandwidth and circular polarisation bandwidth, suppress cross polarization,
Improve axle and compare performance.Fig. 3 illustrates the current feed department schematic diagram of the antenna of one embodiment of the invention.With reference to Fig. 3 institute
Showing, the first radiation fin 13 has the first current feed department 15a, the second current feed department 15b, the 3rd current feed department 16a and the 4th
Current feed department 16b, the second radiation fin 14 has the 5th current feed department 17a, the 6th current feed department 17b, the 7th current feed department 18a
With the 8th current feed department 18b.First current feed department 15a, the second current feed department 15b, the 3rd current feed department 16a and the 4th feedback
Electricity portion 16b can input signal to be sent, or the signal that output has received.Similarly, the 5th current feed department 17a,
6th current feed department 17b, the 7th current feed department 18a and the 8th current feed department 18b can input signal to be sent, or defeated
Go out the signal received.In the present embodiment, by eight current feed departments being arranged on two radiation fins, moreover it is possible to
Enough optimize the wide-angle axle ratio of antenna and improve directional diagram out-of-roundness.
First current feed department 15a, the second current feed department 15b, the 3rd current feed department 16a and the 4th current feed department 16b need to divide
It is not positioned on the second axis of symmetry Y1 and the first axis of symmetry X1 of the first radiation fin 13.5th current feed department 17a,
Six current feed department 17b, the 7th current feed department 18a and the 8th current feed department 18b need to lay respectively at the second radiation fin 14
On second axis of symmetry Y2 and the first axis of symmetry X2.With reference to shown in Fig. 3, as particular instance, first is symmetrical
Axle X1, X2 are located along the same line, and the second axis of symmetry Y1, and Y2 is located along the same line.In other words,
The projection on the first radiation fin 13 of the central point of two radiation fins 14 overlaps with the central point of the first radiation fin 13.
The first axis of symmetry X2 and the second axis of symmetry Y2 of the second radiation fin 14 are at horizontal plane (X/Y plane in Fig. 1)
On projection respectively with the first axis of symmetry X1 and the second axis of symmetry Y1 throwing in the horizontal plane of the first radiation fin 13
Shadow overlaps.First current feed department 15a and the 3rd current feed department 16a is positioned at the second axis of symmetry Y1 of the first radiation fin 13
On, the second current feed department 15b and the 4th current feed department 16b is positioned on the first axis of symmetry X1 of the first radiation fin 13.
5th current feed department 17a and seven or six current feed department 18a is positioned on the second axis of symmetry Y2 of the second radiation fin 14, and the 6th
Current feed department 17b and the 8th current feed department 18b is positioned on the first axis of symmetry X2 of the second radiation fin 14.It addition, this
Inventive embodiment does not limit first to the 8th current feed department relative position on horizontal plane (paper in Fig. 3),
As long as the first to the 8th current feed department can each draw transmission line (not shown) in engineering.
It is preferred that the first current feed department 15a and the 3rd current feed department 16a is symmetrical about the first axis of symmetry X1, the
Two current feed department 15b and the 4th current feed department 16b are symmetrical about the second axis of symmetry Y1.5th current feed department 17a and
7th current feed department 18a is symmetrical about the first axis of symmetry X2, and the 6th current feed department 17b and the 8th current feed department 18b
Symmetrical about the second axis of symmetry Y2.
On shape designs, first substrate 11 and second substrate 12 projection in the horizontal plane are preferably rectangular,
It is of course also possible to be other shape.First radiation fin 13 and the projection in the horizontal plane of the second radiation fin 14 are preferred
For rectangle.Of course it is to be understood that the first radiation fin 14 and the second radiation fin 14 can also is that other shapes.But,
It is identical that first radiation fin 13 is preferably shape with the second radiation fin 14.It is preferred that the size of the first radiation fin 13
Less than the size of first substrate 11, the size being smaller in size than second substrate 12 of the second radiation fin 14.First spoke
Penetrating the size size more preferably greater than the second radiation fin 14 of sheet 13, Fig. 1 illustrates that the size of the first radiation fin 13 is big
In the example of the size of the second radiation fin 14, thus to guarantee that the signal that the first radiation fin 13 gives off is not positioned at
Second radiation fin 14 thereon is blocked.
Further, can have man-made microstructure, such as conductive micro structures in first substrate 11 and second substrate 12.
Man-made microstructure in substrate can be to have certain geometric plane or stereochemical structure, and can level (figure
X/Y plane direction in 1) and/or vertically (Z-direction in Fig. 1) be placed in base material, also referred to as super material
Material micro structure.By arranging man-made microstructure in substrate, thus it is possible to vary the dielectric constant of substrate, thus it is suitable for carrying
For having the substrate of differing dielectric constant.As particular instance, the shape of man-made microstructure can include I-shaped, ten
Font, snowflake shape or the hollow disconnected.Dimensionally, the thickness of first substrate 11 is smaller than the second base
The thickness of plate 12.
The antenna of the present embodiment is configured to have double frequency and sends and receiving ability.To this end, the first to the 8th feed
Portion is each electrically insulated, to be input in respective assembled unit by frequency band signals to be sent respectively, or by
The signal received exports from respective assembled unit.
Preferably, the first current feed department 15a, the second current feed department 15b, the 3rd current feed department 16a, the 4th current feed department 16b,
5th current feed department 17a, the 6th current feed department 17b, the 7th current feed department 18a and the 8th current feed department 18b are preferably coaxial
Current feed department.Use the mode of coaxial feed, reduce the interference of feed structure.
In the present embodiment, first substrate 11, second substrate the 12, first radiation fin 13 and the second radiation fin 14
Cambered surface, such as convex shape or concave can be.First substrate 11, second substrate the 12, first radiation fin
13 and second radiation fin 14 can have identical curvature, thus between these structure sheafs 11-14 because of its similar three
Tie up shape and fit.In this embodiment, by first substrate 11, second substrate the 12, first radiation fin 13
Can be conformal concave or convex shape with the second radiation fin 14, so, so that this antenna
Design compacter, reduce planar dimension, the swept area of antenna can also be increased by the conformal design of this curved surface,
Emittance is concentrated, and then improves the gain of antenna and widen coverage.
Fig. 5 shows the voltage standing wave ratio curve chart of the antenna in Fig. 1.Fig. 6 shows the antenna in Fig. 1
Gain curve figure.Fig. 7 shows that the axle of the antenna in Fig. 1 is than curve chart, with reference to Fig. 7, the embodiment of the present invention
Antenna can be in the range of ± 50 °, it is achieved axle ratio is less than or equal to 6.In conjunction with Fig. 5 to Fig. 7, it is known that in the present invention
Antenna can produce the frequency range of two circular polarisation, and two entelechies can be realized by the accurate control to corner cut
The frequency range changed.
Due in prior art, need to use two antennas or the most multiple antenna to constitute two-band or
Multiband circular polarized antenna, therefore, when back end signal processes, it usually needs much more even more two overlap or to overlap signal
Processing means carries out the process of signal respectively, it will thus be appreciated that increase the volume of equipment, weight and cost.
But, from the point of view of the Antenna Design of the present invention, and the actual effect figure of Fig. 5 to Fig. 7, single spoke
Penetrate sheet and can be achieved with circular polarisation effect, and possess the advantage that two-band, high-gain and axle are better than performance.
Fig. 4 illustrates the structural representation of the antenna system of one embodiment of the invention.With reference to shown in Fig. 4, this reality
The antenna system executing example includes the antenna 10 of embodiment illustrated in fig. 1, combiner the 20, first power splitter 21, second
Power splitter 22 and feed port 30.Second end of combiner 20 connects the first end of the first power splitter 21, closes
First end of three-terminal link second power splitter 22 of road device 20, the second end of the first power splitter 21 connects first
Current feed department 15a, the 3rd end of the first power splitter 21 connects the second current feed department 15b by 90 ° of phase shifters 23, the
4th end of one power splitter 21 connects the 3rd current feed department 16a by 180 ° of phase shifters 24, the first power splitter 21
The 5th end connect the 4th current feed department 16b by 270 ° of phase shifters 25.Second end of the second power splitter 22 connects
5th current feed department 17a, the 3rd end of the second power splitter 22 connects the 6th current feed department 17b by 90 ° of phase shifters 26,
4th end of the second power splitter 22 connects the 7th current feed department 18a by 180 ° of phase shifters 27, the second power splitter 22
The 5th end connect the 8th current feed department 18b by 270 ° of phase shifters 28.
Combiner 20 1 aspect is that input signal is divided into the signal of multiband, is respectively outputted to the merit of correspondence
Divide device 21,22.Now combiner is also referred to as shunt, and correspondingly, antenna system is in the shape launching signal
State.On the other hand combiner 20 is that the reception signal of multiband is closed road to feed port, now aerial system
System is in the state receiving signal.For example, in the present embodiment, combiner 20 1 aspect is responsible for feed port
First frequency range of 30 pumping signals provided exports the first power splitter 21, by the second frequency range output of pumping signal
To the second power splitter 22.On the other hand combiner 20 is responsible for believe respectively from each power splitter 21,22 frequency range
Number it is combined to export the most afterwards to feed port 30.For example, the frequency of the second frequency range can be higher than first
Frequency range, forms the cooperation of high and low frequency.
First power splitter 21 is responsible for the signal of a frequency range is divided into two-way, and transmission line of leading up to exports antenna
The first current feed department 15a of 10, another road is through the second current feed department 15b of 90 ° of phase shifter 26 outputs to antenna 10.
Similarly, the second power splitter 22 is responsible for the signal of another frequency range is divided into two-way, and transmission line of leading up to exports
To the 3rd current feed department 16a of antenna 10, another road is through the 4th feedback of 90 ° of phase shifter 28 outputs to antenna 10
Electricity portion 16b.
Launch work time, pumping signal from a feed port 30 enter the first end of combiner 20 (now its
For input), after combiner 20, it is divided into two paths of signals, wherein a road signal is through the second of combiner 20
End (now it is outfan) is supplied to the first power splitter 21, and another road signal is through the 3rd end of combiner 20
(now it is outfan) is supplied to the second power splitter 22.When receiving work, four tunnels receive signal respectively with frequency
It is transferred to from the first current feed department 15a, the second current feed department 15b, the 3rd current feed department 16a and the 4th current feed department 16b
Second end (now it is input) of one power splitter 21, the 3rd end (now it is input), the 4th end are (now
It is input) and the 5th end (now it is input), and (now it is defeated from the first end of the first power splitter 21
Go out end) output, then the second end (now it is input) through combiner 20 is combined into a first frequency range letter
Number.Another four tunnels receive signal respectively from the 5th current feed department 17a, the 6th current feed department 17b, the 7th current feed department 18a with frequency
It is transferred to second end (now it is input) of the second power splitter 22, the 3rd end (now with the 8th current feed department 18b
It is input), the 4th end (now it is input) and the 5th end (now it is input), and from the second merit
First end (now it be outfan) of point device 22 exports, and then through the 3rd end of combiner 20, (now it is defeated
Enter end) it is combined into a second frequency band signals signal.The signal of two-way different frequency range is again from the first of combiner 20
End (now it is outfan) exports to feed port 30, by follow-up reception processing of circuit.
In one embodiment, 90 ° of phase shifters, 180 ° of phase shifters and 270 ° of phase shifters can be by regulation transmission lines
Length realizes.Specifically, the transmission line of two different lengths is set, makes the Phase delay that the difference of this length causes
It is just 90 °, 180 ° or 270 °.
Thus, the present invention has only to a feed port output, can only use a set of signal processing apparatus, significantly
Simplify the structure of antenna, reduce cost.
Circular polarized antenna and the antenna system of the above embodiment of the present invention can be combined in communication equipment.
The circular polarized antenna range of application of the embodiment of the present invention is more extensive, can apply to mobile communication, defends
The fields such as star navigation.Circular polarized antenna has at the main advantage of actual application aspect:
1) arbitrary polarized electromagnetic wave all can be analyzed to two oppositely oriented circularly polarised waves, as linear polarization
For ripple, the circularly polarised wave of two reverse constant amplitudes can be decomposed into.Therefore, the electromagnetic wave of arbitrarily polarization
Being received by circular polarized antenna, the antenna that the electromagnetic wave that circular polarized antenna is launched then can arbitrarily be polarized receives
Arrive, therefore commonly used circular polarized antenna in electronic reconnaissance and interference；
2) in the application such as communication, the polarity diversity work of radar and electronic countermeasure, circular polarized antenna is extensively utilized
Rotation direction orthogonality；
3) when circularly polarised wave incides symmetric targets (such as plane, sphere etc.), rotation direction reverses, so circular polarisation
Antenna is in the field such as mobile communication, satellite navigation suppression misty rain interference and anti-multipath reflection.
Although the present invention describes with reference to current specific embodiment, but common skill in the art
Art personnel are it should be appreciated that above embodiment is intended merely to the present invention is described, without departing from present invention essence
Change or the replacement of various equivalence also can be made, therefore, as long as at the connotation of the present invention in the case of god
In the range of change, the modification of above-described embodiment all will be fallen in the range of following claims.
Claims (20)
1. an antenna, including first substrate, second substrate, the first radiation fin and the second radiation fin, described
One radiation fin is arranged on described first substrate, and described second substrate is arranged on described first radiation fin, and described
Two radiation fins are arranged on described second substrate, and one in described first radiation fin and described second radiation fin has
Lay respectively on the first current feed department of the second axis of symmetry of place radiation fin, the 3rd current feed department and the first axis of symmetry
Another in two current feed departments and the 4th current feed department, described first radiation fin and described second radiation fin has position respectively
On the 5th current feed department on the second axis of symmetry of place radiation fin and the 7th current feed department and the first axis of symmetry the 6th
Current feed department and the 8th current feed department, described first substrate, second substrate, the first radiation fin and the second radiation fin are arc
Face.
2. antenna as claimed in claim 1, it is characterised in that described first current feed department and the 3rd current feed department close
Symmetrical in the first axis of symmetry of place radiation fin, and described second current feed department and the 4th current feed department are about place radiation fin
The second axis of symmetry symmetrical.
3. antenna as claimed in claim 1, it is characterised in that described 5th current feed department and the 7th current feed department close
Symmetrical in the first axis of symmetry of place radiation fin, and described 6th current feed department and the 8th current feed department are about place radiation fin
The second axis of symmetry symmetrical.
4. antenna as claimed in claim 1, it is characterised in that described first current feed department, described second feed
Portion, described 3rd current feed department and described 4th current feed department are coaxial feed portion.
5. antenna as claimed in claim 1, it is characterised in that described 5th current feed department, described 6th feed
Portion, described 7th current feed department and described 8th current feed department are coaxial feed portion.
6. antenna as claimed in claim 1, it is characterised in that described each current feed department is electrically insulated.
7. antenna as claimed in claim 1, it is characterised in that described first radiation fin and described second spoke
Penetrate sheet projection in the horizontal plane and be rectangle.
8. antenna as claimed in claim 1, it is characterised in that being smaller in size than of described second radiation fin is described
The size of second substrate, and the size being smaller in size than described first substrate of described first radiation fin.
9. antenna as claimed in claim 1, it is characterised in that the size of described first radiation fin is more than described
The size of the second radiation fin.
10. antenna as claimed in claim 1, it is characterised in that the central point of described second radiation fin is described
Projection on first radiation fin overlaps with the central point of described first radiation fin.
11. antennas as claimed in claim 1, it is characterised in that the first axis of symmetry of described second radiation fin and
The projection on a horizontal plane of second axis of symmetry is symmetrical with the first axis of symmetry of described first radiation fin and second respectively
Axle projection on this horizontal plane overlaps.
12. antennas as claimed in claim 1, it is characterised in that described first substrate, second substrate, first
The curvature of radiation fin and the second radiation fin is the most identical.
13. antennas as claimed in claim 1, it is characterised in that in the inner horizontal direction of described first substrate
Or vertical direction is placed with man-made microstructure.
14. antennas as claimed in claim 1, it is characterised in that in the inner horizontal direction of described second substrate
Or vertical direction is placed with man-made microstructure.
15. antennas as described in claim 13 or 14, it is characterised in that the shape bag of described man-made microstructure
Include I-shaped or cross or snowflake shape or the hollow disconnected.
16. antennas as claimed in claim 1, it is characterised in that described first substrate and described second substrate exist
Projection on horizontal plane is rectangle.
17. antennas as claimed in claim 1, it is characterised in that described first radiation fin and described second radiation
Sheet respectively attaches to described first substrate and the metal patch of described second substrate or plating in described first substrate
The coat of metal with described second substrate.
18. 1 kinds of antenna systems, including feed port, antenna, combiner and the first power splitter and the second merit
Dividing device, described antenna is the antenna according to any one of claim 1 to 17, and the first end of described combiner is even
Connecing described feed port, the second end of described combiner connects the first end of described first power splitter, described combiner
Three-terminal link described in the first end of the second power splitter, the second end of described first power splitter connects described first feedback
Electricity portion, the 3rd end of described first power splitter connects described second current feed departments by 90 ° of phase shifters, and described first
4th end of power splitter connects described 3rd current feed department, the 5th end of described first power splitter by 180 ° of phase shifters
Connect described 4th current feed departments by 270 ° of phase shifters, and the second end of described second power splitter connects described the
Five current feed departments, the 3rd end of described second power splitter connects described 6th current feed department by 90 ° of phase shifters, described
4th end of the second power splitter connects described 7th current feed departments by 180 ° of phase shifters, the of described second power splitter
Seven ends connect described 8th current feed department by 270 ° of phase shifters.
19. antenna systems as claimed in claim 18, it is characterised in that described 90 ° of phase shifters, 180 ° of shiftings
Phase device, 270 ° of phase shifters all by the length of regulation transmission line realize respectively 90 ° of phase shifts, 180 ° of phase shifts,
270 ° of phase shifts.
20. 1 kinds of communication equipments, including the antenna system according to any one of claim 18 to 19.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050849.4A CN105990656A (en) | 2015-01-30 | 2015-01-30 | Antenna, antenna system and communication device |
| PCT/CN2016/072678 WO2016119728A1 (en) | 2015-01-30 | 2016-01-29 | Antenna, antenna system and communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050849.4A CN105990656A (en) | 2015-01-30 | 2015-01-30 | Antenna, antenna system and communication device |
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| Publication Number | Publication Date |
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| CN105990656A true CN105990656A (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510050849.4A Pending CN105990656A (en) | 2015-01-30 | 2015-01-30 | Antenna, antenna system and communication device |
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| CN (1) | CN105990656A (en) |
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| CN110800158A (en) * | 2017-09-28 | 2020-02-14 | 株式会社友华 | Patch antenna and antenna device |
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Application publication date: 20161005 |