CN108429016A - A kind of constringent aerial array of improvement horizontal plane wave beam - Google Patents
A kind of constringent aerial array of improvement horizontal plane wave beam Download PDFInfo
- Publication number
- CN108429016A CN108429016A CN201810472072.4A CN201810472072A CN108429016A CN 108429016 A CN108429016 A CN 108429016A CN 201810472072 A CN201810472072 A CN 201810472072A CN 108429016 A CN108429016 A CN 108429016A
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- cell array
- alien frequencies
- radiation cell
- horizontal plane
- power splitters
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- 230000005855 radiation Effects 0.000 claims abstract description 37
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003491 array Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 235000019606 astringent taste Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Abstract
The present invention provides a kind of constringent aerial arrays of improvement horizontal plane wave beam, are effectively improved horizontal plane wave beam convergence, are advantageously implemented more preferably network overlapping effect, reduce antenna front face area, reduce windage.It includes the first radiation cell array that side by side parallel is placed on the length direction along reflecting plate, the second radiation cell array, first radiation cell array is correspondingly arranged on the first feeding network, second radiation cell array is correspondingly arranged on the second feeding network, it further includes having the not equal power splitters of alien frequencies, and it includes that there are one input port P1 and two output ports P2, P3 that the alien frequencies, which does not wait power splitters,；One radiating element of first radiation cell array, a radiating element of the second radiation cell array connect one to one with two output ports P2, P3 of the alien frequencies power splitters such as not, form one group of parallel connection structure respectively.
Description
Technical field
The present invention relates to the technical fields of mobile communication antenna, the specially a kind of constringent antenna of improvement horizontal plane wave beam
Array.
Background technology
In mobile communication covering, as the antenna for base station of wireless access system, substitutes also with communication system and improves,
The performance of antenna for base station directly affects the overall performance of entire wireless network.With mobile communications network on capacity and in quality
Continuous promotion, system correspondingly proposes increasingly higher demands to the electrical performance indexes of antenna for base station.Wherein, horizontal plane half
Powerbeam width convergence is exactly to weigh a major criterion of antenna for base station directional diagram radiation characteristic, it is just in practical application
In receive the highest attention of Mobile Network Operator.
Antenna for base station horizontal plane beam angle convergence refers to that horizontal plane half-power beam width fluctuates in working frequency range
Otherness, difference shows that more greatly wave beam convergence is poorer, and the smaller then convergence of difference is better.The good antenna energy of wave beam convergence
Stable network covering property is provided, conversely, the antenna of wave beam poor astringency cannot provide the consistent network coverage, so that reducing
Power system capacity brings certain difficulty to the network optimization.In order to improve the horizontal plane half-power beam width convergence of antenna for base station
Property, keep the network coverage more excellent, more stable, needs development and manufacturing cost low and high performance innovation aerial array form.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of constringent aerial array of improvement horizontal plane wave beam, effectively change
Kind horizontal plane wave beam convergence, is advantageously implemented more preferably network overlapping effect, reduces antenna front face area, reduces windage.
A kind of constringent aerial array of improvement horizontal plane wave beam, it is characterised in that：It includes the length along reflecting plate
The first radiation cell array, the second radiation cell array of side by side parallel placement, first radiation cell array pair on direction
The first feeding network should be provided with, second radiation cell array is correspondingly arranged on the second feeding network, further include have it is different
Frequency does not wait power splitters, and the not equal power splitters of the alien frequencies include that there are one input port P1 and two output ports P2, P3；Described
One radiating element of one radiation cell array, a radiating element of the second radiation cell array respectively with an alien frequencies
Two output ports P2, P3 of not equal power splitters are connected one to one, are formed one group of parallel connection structure, are set on the reflecting plate
It is equipped at least two groups parallel connection structure, the input port P1 connections of the not equal power splitters of alien frequencies of at least one set of parallel connection structure
The input port P1 of the correspondence output port of first feeding network, the not equal power splitters of alien frequencies of at least one set of parallel connection structure connects
Connect the correspondence output port of the second feeding network, the input port P1 of the not equal power splitters of alien frequencies corresponding to every group of parallel connection structure
Can only a uniquely coupled feeding network correspondence output port.
It is further characterized by：Radiating element corresponding to parallel connection structure described in every group is the first radiating element battle array
The radiating element of arrangement is aligned in row, the second radiation cell array side by side；
There are one input port and at least two output ports respectively for first feeding network, the second feeding network；
The length and width of the aerial array combines to form strip structure, the aerial array relative to conventional scheme
Shape, front face area reduce, and effectively reduce windage；
The frequency range of the aerial array is 1700-2700MHz, the convergence fluctuation of horizontal half-power beam width for 64 ±
4°；
The not equal power splitters of the alien frequencies are specially PCB microstrip structures；
The not equal power splitters of the alien frequencies are specially work(point than being the structure for not waiting work(point and same phase output.
After adopting the structure of the invention, using the not equal power splitters of alien frequencies, different frequent points may be implemented realize different work(
Divide ratio, can be effectively improved horizontal plane wave beam convergence using the technology, be advantageously implemented more preferably network overlapping effect, reduces
Antenna front face area reduces windage.
Description of the drawings
Fig. 1 is the aerial array schematic diagram of the prior art；
Fig. 2 is the aerial array schematic diagram of specific embodiments of the present invention；
Fig. 3 is that the alien frequencies of specific embodiments of the present invention does not wait the structural schematic diagram of power splitters；
Fig. 4 is that alien frequencies does not wait power splitters input port voltage standing wave ratio in the embodiment of the present invention；
Fig. 5 is that alien frequencies does not wait power splitters in two output port power ratios in the embodiment of the present invention；
Not equal power splitters the first array horizontal radiation pattern of alien frequencies is not added for the embodiment of the present invention by Fig. 6；
Fig. 7 is not equal power splitters the first array horizontal radiation pattern of the embodiment of the present invention addition alien frequencies；
Title in figure corresponding to serial number is as follows：
Reflecting plate 1, the first radiation cell array 2, the second radiation cell array 3, the first feeding network 4, the second transmission network
Network 5, alien frequencies power splitters 6, parallel connection structure 7, the radiating element 8 such as not.
Specific implementation mode
A kind of constringent aerial array of improvement horizontal plane wave beam, is shown in Fig. 2, Fig. 3：It includes the length along reflecting plate 1
The first radiation cell array 2, the second radiation cell array 3 of side by side parallel placement, first radiation cell array 2 on direction
It is correspondingly arranged on the first feeding network 4, second radiation cell array 3 is correspondingly arranged on the second feeding network 5, further includes
There are the not equal power splitters 6 of alien frequencies, it includes that there are one input port P1 and two output ports P2, P3 that the alien frequencies, which does not wait power splitters 6,；
One radiating element 8 of first radiation cell array 2, a radiating element 8 of the second radiation cell array 3 are respectively with one
A alien frequencies does not wait two output ports P2, P3 of power splitters 6 to connect one to one, form one group of parallel connection structure 7, institute
It states and is provided at least two groups parallel connection structure 7 on reflecting plate 1, the alien frequencies of at least one set of parallel connection structure 7 does not wait power splitters 6
The first feeding network of input port P1 connections 4 correspondence output port, the not equal work(of the alien frequencies of at least one set of parallel connection structure 7
The correspondence output port of the second feeding network of input port P1 connections 5 of point device 6, alien frequencies corresponding to every group of parallel connection structure 7
The input port P1 of equal power splitters 6 can only a uniquely coupled feeding network correspondence output port.
Radiating element corresponding to parallel connection structure 7 described in every group is the first radiation cell array 2, the second radiating element
The radiating element of arrangement is aligned in array 3 side by side；
There are one input port and at least two output ports respectively for first feeding network 4, the second feeding network 5；
The length and width of the aerial array 8 combines to form strip structure, the aerial array relative to conventional scheme
Shape, front face area reduce, effectively reduce windage；
The frequency range of the aerial array 8 is 1700-2700MHz, and the convergence fluctuation of horizontal half-power beam width is 64
±4°；
The not equal power splitters 6 of the alien frequencies are specially PCB microstrip structures；
It is specially that work(divides than being the structure for not waiting work(point and same phase output that the alien frequencies, which does not wait power splitters 6,.
In specific embodiment, the first radiation cell array 2, the second radiation cell array 3 outermost both sides correspondence spoke
Unit is penetrated to combine to form two groups of independent parallel connection structures.Alien frequencies corresponding to left side parallel connection structure 7 does not wait power splitters 6
One of the first feeding network of input port P1 connections 4 output port；Frequency corresponding to right side parallel connection structure 7 is not
One of the second feeding network of input port P1 connections 5 of equal power splitters output port.
Following parameter can specifically be reached：The frequency range of antenna is 1700-2700MHz, the convergence of horizontal half-power beam width
Property fluctuation 64 ± 4 °.
Fig. 4 is that alien frequencies does not wait 5 input port P1 voltage standing wave ratioes of power splitters in the embodiment of the present invention, in 1700-
In 2700MHz frequency bands, voltage standing wave ratio is less than 1.25, there is good matching performance.
Fig. 5 is that alien frequencies does not wait 5 input port P1 of power splitters in two output port P2, P3 power in the embodiment of the present invention
Than data statistics such as table 1：
| Frequency point (MHz) | 1700 | 1900 | 2100 | 2300 | 2500 | 2700 |
| P12 | 0.25 | 0.33 | 0.53 | 0.71 | 0.81 | 0.82 |
| P13 | 0.74 | 0.67 | 0.46 | 0.28 | 0.19 | 0.17 |
Table 1
Fig. 6 is the 2 horizontal plane direction of the first radiation cell array that the embodiment of the present invention is not added that alien frequencies does not wait power splitters 6
Figure, data statistics such as table 2：
Table 2
Fig. 7 is the 2 horizontal plane direction of the first radiation cell array that the embodiment of the present invention is added that alien frequencies does not wait power splitters 6
Figure, data statistics such as table 3：
| Frequency point (MHz) | 1700 | 1900 | 2100 | 2300 | 2500 | 2700 |
| Horizontal plane beam angle (°) | 67.8 | 63.1 | 63.7 | 66.1 | 67.5 | 60.1 |
Table 3
In same electric property, inventive antenna array-width is that conventional scheme aerial array width is 320mm,
Length is 1400mm, and antenna front face area is 0.448 ㎡, is 176mm, length 1600mm the present invention relates to antenna array width,
Antenna front face area is 0.282 ㎡, higher in view of the smaller stability of antenna windage, and front face area reduction could reduce windage, this
Invention aerial array front face area is 0.627 times of conventional scheme aerial array front face area, can effectively reduce windage.
The aerial array of the present invention is realized that different frequent points realize different work(point ratio, can be effectively improved using the technology
Horizontal plane wave beam convergence is advantageously implemented more preferably network overlapping effect, reduces antenna front face area, reduces windage.
Specific embodiments of the present invention are described in detail above, but content is only the preferable implementation of the invention
Example, should not be construed as limiting the practical range of the invention.It is all to become according to impartial made by the invention application range
Change and improve etc., it should all still belong within this patent covering scope.
Claims (7)
1. a kind of constringent aerial array of improvement horizontal plane wave beam, it is characterised in that：It includes the length side along reflecting plate
The first radiation cell array, the second radiation cell array that upward side by side parallel is placed, first radiation cell array correspond to
It is provided with the first feeding network, second radiation cell array is correspondingly arranged on the second feeding network, further includes having alien frequencies
Not equal power splitters, it includes that there are one input port P1 and two output ports P2, P3 that the alien frequencies, which does not wait power splitters,；Described first
One radiating element of radiation cell array, a radiating element of the second radiation cell array respectively with an alien frequencies not
Two output ports P2, P3 of equal power splitters are connected one to one, are formed one group of parallel connection structure, are arranged on the reflecting plate
There is an at least two groups parallel connection structure, the input port P1 connections of the not equal power splitters of alien frequencies of at least one set of parallel connection structure the
The correspondence output port of one feeding network, the input port P1 connections of the not equal power splitters of alien frequencies of at least one set of parallel connection structure
The correspondence output port of second feeding network, the input port P1 of the not equal power splitters of alien frequencies corresponding to every group of parallel connection structure is only
The correspondence output port of the uniquely coupled feeding network of energy.
2. a kind of constringent aerial array of improvement horizontal plane wave beam as described in claim 1, it is characterised in that：Described in every group
Radiating element corresponding to parallel connection structure is that contraposition is arranged side by side in the first radiation cell array, the second radiation cell array
Radiating element.
3. a kind of constringent aerial array of improvement horizontal plane wave beam as described in claim 1, it is characterised in that：Described first
There are one input port and at least two output ports respectively for feeding network, the second feeding network.
4. a kind of constringent aerial array of improvement horizontal plane wave beam as described in claim 1, it is characterised in that：The antenna
The length and width of array combines to form strip structure.
5. a kind of constringent aerial array of improvement horizontal plane wave beam as described in claim 1, it is characterised in that：The antenna
The frequency range of array is 1700-2700MHz, and the convergence fluctuation of horizontal half-power beam width is 64 ± 4 °.
6. a kind of constringent aerial array of improvement horizontal plane wave beam as described in claim 1, it is characterised in that：The alien frequencies
Not equal power splitters are specially PCB microstrip structures.
7. a kind of constringent aerial array of improvement horizontal plane wave beam as claimed in claim 6, it is characterised in that：The alien frequencies
Not equal power splitters are specially work(point than being the structure for not waiting work(point and same phase output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810472072.4A CN108429016A (en) | 2018-05-17 | 2018-05-17 | A kind of constringent aerial array of improvement horizontal plane wave beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810472072.4A CN108429016A (en) | 2018-05-17 | 2018-05-17 | A kind of constringent aerial array of improvement horizontal plane wave beam |
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| Publication Number | Publication Date |
|---|---|
| CN108429016A true CN108429016A (en) | 2018-08-21 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544757A (en) * | 2011-11-10 | 2012-07-04 | 广东博纬通信科技有限公司 | Single-polarization eight-beam antenna for mobile communication base station |
| CN105742828A (en) * | 2016-03-31 | 2016-07-06 | 广东通宇通讯股份有限公司 | Dual-polarization three-beam antenna and feed network device thereof |
| CN106711622A (en) * | 2017-01-22 | 2017-05-24 | 京信通信系统（中国）有限公司 | Antenna array and antenna |
| CN206619691U (en) * | 2017-03-24 | 2017-11-07 | 武汉虹信通信技术有限责任公司 | One kind miniaturization multi-port antenna array |
| CN208240885U (en) * | 2018-05-17 | 2018-12-14 | 江苏亨鑫科技有限公司 | A kind of constringent aerial array of improvement horizontal plane wave beam |
-
2018
- 2018-05-17 CN CN201810472072.4A patent/CN108429016A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544757A (en) * | 2011-11-10 | 2012-07-04 | 广东博纬通信科技有限公司 | Single-polarization eight-beam antenna for mobile communication base station |
| CN105742828A (en) * | 2016-03-31 | 2016-07-06 | 广东通宇通讯股份有限公司 | Dual-polarization three-beam antenna and feed network device thereof |
| CN106711622A (en) * | 2017-01-22 | 2017-05-24 | 京信通信系统（中国）有限公司 | Antenna array and antenna |
| CN206619691U (en) * | 2017-03-24 | 2017-11-07 | 武汉虹信通信技术有限责任公司 | One kind miniaturization multi-port antenna array |
| CN208240885U (en) * | 2018-05-17 | 2018-12-14 | 江苏亨鑫科技有限公司 | A kind of constringent aerial array of improvement horizontal plane wave beam |
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