CN108123230A - A kind of big angle of declination antenna for base station of biserial - Google Patents
A kind of big angle of declination antenna for base station of biserial Download PDFInfo
- Publication number
- CN108123230A CN108123230A CN201611071291.9A CN201611071291A CN108123230A CN 108123230 A CN108123230 A CN 108123230A CN 201611071291 A CN201611071291 A CN 201611071291A CN 108123230 A CN108123230 A CN 108123230A
- Authority
- CN
- China
- Prior art keywords
- reflecting plate
- base station
- isolation board
- biserial
- radiating element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002955 isolation Methods 0.000 claims abstract description 30
- 230000005855 radiation Effects 0.000 claims abstract description 30
- 238000003491 array Methods 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000012913 prioritisation Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- 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
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- 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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/104—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
Abstract
The present invention relates to communication technique fields, more particularly to a kind of big angle of declination antenna for base station of biserial, including two single-row aerial arrays, single-row aerial array includes reflecting plate, radiating element, isolation board and isolating bar and feeding network, reflecting plate is symmetrical on center line, several radiating elements are set at equal intervals along the center line of reflecting plate, feeding network is arranged on the back side of reflecting plate, isolating bar is arranged between adjacent radiating element, isolation board is arranged on the both sides of isolating bar, isolation board is arranged on the inside of reflecting plate, and isolation board is symmetrical arranged compared with radiating element.The advantages of frequency coverage of the present invention is 1710MHz 2690MHz, when adjusting lower decline angle, has good radiation characteristic, while has stable structure, of low cost, and space availability ratio is high.
Description
Technical field
The present invention relates to communication technique field more particularly to a kind of big angle of declination antenna for base station of biserial.
Background technology
Antenna plays a crucial role in mobile communication, and antenna for base station is website and terminal in base station communication system
Establish the critical component of communication link.The upstream request signal that forwarding terminal is sent is responsible in base station, while will communication other end hair
The Info Down brought sends terminal to, and therefore, the performance of antenna directly affects the covering of this cell.By to antenna
Different designs is carried out, changes its radiation characteristic, controls the spatial distribution of electromagnetic energy, improves resource utilization.For different words
The cell of business amount provides different tilt angled downs.
2G, 3G, 4G and LTE network are run simultaneously at this stage, and network thickness increases.Outdoor macro station, indoor small station, micro- station etc.
The three-dimensional overlay network of composition, network density increase.Multi-network cooperative and the network optimization are the key that build high-performance LTE network.For
Meet the network optimization requirement gradually increased, operator need to seek the high antenna of easy to operate, high efficiency, low cost, flexibility ratio
Scheme.It is to realize the common method of the network optimization that antenna, which has a down dip,.It can be realized by the angle of declination for changing antenna for base station main beam
The covering of different radii cell and the interference for reducing minizone.Downtilt size and the coverage that need to be controlled, base station day
The relative altitude of line, the width of antennas orthogonal lobe etc. are related.There are mainly two types of the modes that antenna beam has a down dip：Mechanical tilt and
Electricity is adjusted and had a down dip.Mechanical tilt antenna realizes downwards bevel beam by raising line mechanical tilt arm all day in website, and electricity is adjusted and had a down dip, and is
By changing the phase difference between unit, have a down dip so as to change far field synthesis field beam position realization.With mobile broadband service
Continuous growth, inter-cell interference and user experience become key, and mechanical tilt will cause pattern distortion, increase minizone
Interference reduces edge customer rate, influences user experience.It has a down dip for electricity tune, it is little to change the variation of angle of declination rear direction figure.Increase
Add tilt angled down, sector coverage product reduces, but does not generate interference.
With the quickening of urban construction, base station selection is more and more harsh, each position is also just selected particularly precious on base station
It is expensive.Biserial antenna substantially increases space availability ratio, is also increasingly connect by major operator compared to the single-row antenna of tradition
By.
The content of the invention
The present invention provide it is a kind of it is simple in structure, at low cost, performance is stable, space availability ratio is high, frequency coverage is wide
The big angle of declination antenna for base station of biserial.
In order to achieve the object of the present invention, used technical solution is：A kind of big angle of declination antenna for base station of biserial, including
Two single-row aerial arrays, single-row aerial array include reflecting plate, radiating element, isolation board and isolating bar and feeding network, instead
Penetrate that plate is symmetrical on center line, several radiating elements are set at equal intervals along the center line of reflecting plate, and feeding network is arranged on instead
The back side of plate is penetrated, isolating bar is arranged between adjacent radiating element, and isolation board is arranged on the both sides of isolating bar, and isolation board is set
In the inside of reflecting plate, isolation board is symmetrical arranged compared with radiating element.
As the prioritization scheme of the present invention, radiating element includes four radiation arms, feed tab, feeder line, feed tab plastic mattress
Piece, balun support construction, radiating element pedestal and pedestal plastic spacer, radiation arm use square engraved structure, four radiation arms
By feed tab intersection group battle array, one end of feed tab is connected with radiation arm, and the other end of feed tab is connected with feeder line, feed tab modeling
Backing strap piece is arranged between feed tab and radiation arm, and radiation arm is mounted on by balun support construction on radiating element pedestal, bottom
Seat plastic spacer is arranged between radiating element pedestal and reflecting plate.
As the prioritization scheme of the present invention, the big angle of declination antenna for base station of biserial is symmetrically made of two single-row aerial arrays.
As the prioritization scheme of the present invention, reflecting plate is provided at both ends with U-shaped bending corner.
As the prioritization scheme of the present invention, feeding network includes phase shifter, power splitter and coaxial cable, and phase shifter is used to control
The tilt angled down of the big angle of declination antenna for base station of biserial processed, power splitter are connected by coaxial cable with phase shifter.
As the prioritization scheme of the present invention, isolating bar is perpendicular to isolation board, the height of isolating bar and the height phase of isolation board
Together.
As the prioritization scheme of the present invention, isolation board is set along the inside of reflecting plate, the length of isolation board and reflecting plate
Length is identical.
The present invention has positive effect：1) present invention is made of two row HF arrays, compared to single-row antenna, is carried significantly
High space availability ratio；The adjustment of 0 ° of -10 ° of tilt angled down can be achieved to the control of phase by feeding network, can meet not
With the covering of telephone traffic cell；
2) radiation arm of the invention is stablized using die cast metal, radiance, and uniformity is good, and damage rate is low；
3) present invention uses U-shaped bending corner, reduces the height of reflecting plate, improves the front and rear ratio of antenna, and valve is wide also more
It adds and holds back；
4) antenna overall structure of the invention is simple, performance is stablized, and parameter consistency is preferable, is easy to produce in enormous quantities, day
Line frequency wide coverage.
5) frequency coverage of the present invention is 1710MHz-2690MHz, when adjusting lower decline angle, has good radiation spy
Property, while there is stable structure, it is of low cost the advantages of.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the overlooking the structure diagram of the present invention；
Fig. 2 is the left view structural representation of the present invention；
Fig. 3 is the overlooking the structure diagram of the single radiating element of the present invention；
Fig. 4 for the big angle of declination antenna for base station of biserial have a down dip 10 ° when elevation radiation patytern.
Wherein：1st, reflecting plate, 2, radiating element, 3, isolation board, 4, isolating bar, 5, U-shaped bending corner, 21, radiation arm,
22nd, feed tab, 23, feeder line, 24, feed tab plastic spacer, 25, balun support construction, 26, radiating element pedestal, 27, pedestal modeling
Backing strap piece.
Specific embodiment
As shown in Figs. 1-3, it is single including single-row aerial array the invention discloses a kind of big angle of declination antenna for base station of biserial
Array antenna array includes reflecting plate 1, radiating element 2, isolation board 3 and isolating bar 4 and feeding network, and reflecting plate 1 is on center line
Symmetrically, several radiating elements 2 are set at equal intervals along the center line of reflecting plate 1, and feeding network is arranged on the back side of reflecting plate 1,
Isolating bar 4 is arranged between adjacent radiating element 2, and isolation board 3 is arranged on the both sides of isolating bar 4, and isolation board 3 is arranged on reflection
The inside of plate 1, isolation board 3 are symmetrical arranged compared with radiating element 2.Wherein, the thickness of reflecting plate 1 is 2mm.
Radiating element 2 includes four radiation arms 21, feed tab 22, feeder line 23, feed tab plastic spacer 24, balun support knot
Structure 25, radiating element pedestal 26 and pedestal plastic spacer 27, radiation arm 21 use square engraved structure, and four radiation arms 21 pass through
22 intersection group battle array of feed tab, one end of feed tab 22 are connected with radiation arm 21, and the other end of feed tab 22 is connected with feeder line 23, feedback
Electric piece plastic spacer 24 is arranged between feed tab 22 and radiation arm 21, and radiation arm 21 is mounted on spoke by balun support construction 25
It penetrates in unit base 26, pedestal plastic spacer 27 is arranged between radiating element pedestal 26 and reflecting plate 1.Wherein, balun supports
Structure 25 is arranged on the lower section of radiation arm 21, passes through the progress interconnection of feed tab 22, four radiation arms 21 between radiation arm 21
By 22 square crossing group battle array of feed tab, radiation arm 21 uses die cast metal.
The big angle of declination antenna for base station of biserial is symmetrically made of two single-row aerial arrays, and being provided at both ends with for reflecting plate 1 is U-shaped
Bending corner 5.By carrying out bending improvement to vertical corner, the whole height of reflecting plate 1 is reduced, changes radiation electric flow path
Footpath, can effectively improve because two list array antenna arrays exist interfere with each other caused by before and after than it is poor the problem of, carry simultaneously
The high wide convergence of antenna lens.
Feeding network includes phase shifter, power splitter and coaxial cable, and phase shifter is used to control the big angle of declination base station day of biserial
The tilt angled down of line, power splitter are connected by coaxial cable with phase shifter.
For isolating bar 4 perpendicular to isolation board 3, the height of isolating bar 4 is identical with the height of isolation board 3.Isolation board 3 is along reflecting plate
1 inside is set, and the length of isolation board 3 is identical with the length of reflecting plate 1.Wherein, isolating bar 4 can effectively improve array polarization
Between isolation.
Fig. 4 for the big angle of declination antenna for base station of biserial have a down dip 10 ° when elevation radiation patytern, it can be seen that in 1710MHz-
In 2690MHz frequency ranges, secondary lobe inhibits to be more than 16dB on antenna, and tilt angled down is near 9.8 °.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (7)
1. a kind of big angle of declination antenna for base station of biserial, it is characterised in that：Including two single-row aerial arrays, the single-row antenna
Array includes reflecting plate (1), radiating element (2), isolation board (3) and isolating bar (4) and feeding network, the reflecting plate (1)
Symmetrical on center line, several radiating elements (2) are set at equal intervals along the center line of reflecting plate (1), the feeding network
The back side of reflecting plate (1) is arranged on, isolating bar (4) is arranged between adjacent radiating element (2), and the isolation board (3) is set
It puts in the both sides of isolating bar (4), the isolation board (3) is arranged on the inside of reflecting plate (1), and the isolation board (3) is opposite
It is symmetrical arranged in radiating element (2).
2. a kind of big angle of declination antenna for base station of biserial according to claim 1, it is characterised in that：The radiating element
(2) four radiation arms (21), feed tab (22), feeder line (23), feed tab plastic spacer (24), balun support construction are included
(25), radiating element pedestal (26) and pedestal plastic spacer (27), the square engraved structure of the radiation arm (21) use, four
Radiation arm (21) is connected by feed tab (22) intersection group battle array, one end of feed tab (22) with radiation arm (21), feed tab (22)
The other end be connected with feeder line (23), the feed tab plastic spacer (24) be arranged on feed tab (22) and radiation arm (21) it
Between, the radiation arm (21) is mounted on by balun support construction (25) on radiating element pedestal (26), pedestal modeling
Backing strap piece (27) is arranged between radiating element pedestal (26) and reflecting plate (1).
3. a kind of big angle of declination antenna for base station of biserial according to claim 1 or 2, it is characterised in that：The biserial is big
Angle of declination antenna for base station is symmetrically made of two single-row aerial arrays.
4. a kind of big angle of declination antenna for base station of biserial according to claim 1 or 2, it is characterised in that：The two of reflecting plate (1)
End is provided with U-shaped bending corner (5).
5. a kind of big angle of declination antenna for base station of biserial according to claim 1 or 2, it is characterised in that：The transmission network
Network includes phase shifter, power splitter and coaxial cable, and the phase shifter is used to control having a down dip for the big angle of declination antenna for base station of biserial
Angle, the power splitter are connected by coaxial cable with phase shifter.
6. a kind of big angle of declination antenna for base station of biserial according to claim 1 or 2, it is characterised in that：The isolating bar
(4) perpendicular to isolation board (3), the height of isolating bar (4) is identical with the height of isolation board (3).
7. a kind of big angle of declination antenna for base station of biserial according to claim 1 or 2, it is characterised in that：The isolation board
(3) set along the inside of reflecting plate (1), the length of isolation board (3) is identical with the length of reflecting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071291.9A CN108123230A (en) | 2016-11-29 | 2016-11-29 | A kind of big angle of declination antenna for base station of biserial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071291.9A CN108123230A (en) | 2016-11-29 | 2016-11-29 | A kind of big angle of declination antenna for base station of biserial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108123230A true CN108123230A (en) | 2018-06-05 |
Family
ID=62225319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611071291.9A Pending CN108123230A (en) | 2016-11-29 | 2016-11-29 | A kind of big angle of declination antenna for base station of biserial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108123230A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048903A (en) * | 2019-12-10 | 2020-04-21 | 瑞声精密制造科技(常州)有限公司 | Isolation plate structure and antenna |
| CN113517561A (en) * | 2021-04-16 | 2021-10-19 | 浙江蔚远射频通信有限公司 | High-isolation antenna for 5G mobile communication |
| CN114566786A (en) * | 2022-02-25 | 2022-05-31 | 深圳市鑫龙通信技术有限公司 | Radiation unit and communication base station |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130088402A1 (en) * | 2011-10-07 | 2013-04-11 | Laird Technologies, Inc. | Antenna assemblies having transmission lines suspended between ground planes with interlocking spacers |
| CN105261829A (en) * | 2015-11-09 | 2016-01-20 | 中天宽带技术有限公司 | High front-to-back ratio dual polarization base station antenna |
| CN205303687U (en) * | 2016-01-12 | 2016-06-08 | 深圳国人通信股份有限公司 | M type reflecting plate base station antenna |
| CN206225561U (en) * | 2016-11-29 | 2017-06-06 | 南京濠暻通讯科技有限公司 | A kind of big angle of declination antenna for base station of biserial |
-
2016
- 2016-11-29 CN CN201611071291.9A patent/CN108123230A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130088402A1 (en) * | 2011-10-07 | 2013-04-11 | Laird Technologies, Inc. | Antenna assemblies having transmission lines suspended between ground planes with interlocking spacers |
| CN105261829A (en) * | 2015-11-09 | 2016-01-20 | 中天宽带技术有限公司 | High front-to-back ratio dual polarization base station antenna |
| CN205303687U (en) * | 2016-01-12 | 2016-06-08 | 深圳国人通信股份有限公司 | M type reflecting plate base station antenna |
| CN206225561U (en) * | 2016-11-29 | 2017-06-06 | 南京濠暻通讯科技有限公司 | A kind of big angle of declination antenna for base station of biserial |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048903A (en) * | 2019-12-10 | 2020-04-21 | 瑞声精密制造科技(常州)有限公司 | Isolation plate structure and antenna |
| CN113517561A (en) * | 2021-04-16 | 2021-10-19 | 浙江蔚远射频通信有限公司 | High-isolation antenna for 5G mobile communication |
| CN114566786A (en) * | 2022-02-25 | 2022-05-31 | 深圳市鑫龙通信技术有限公司 | Radiation unit and communication base station |
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