CN106169644A - A kind of split type ultra-wideband dual-polarization radiating unit and antenna for base station - Google Patents
A kind of split type ultra-wideband dual-polarization radiating unit and antenna for base station Download PDFInfo
- Publication number
- CN106169644A CN106169644A CN201610767705.5A CN201610767705A CN106169644A CN 106169644 A CN106169644 A CN 106169644A CN 201610767705 A CN201610767705 A CN 201610767705A CN 106169644 A CN106169644 A CN 106169644A
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- polarization
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—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
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
Abstract
The present invention relates to a kind of split type ultra-wideband dual-polarization radiating unit and antenna for base station, including four symmetrical dipoles, described each symmetrical dipole includes two unit radiation arms and balance balun, and described unit radiation arm one end connects balance balun, the end of other end 90-degree bent up or down；Described four symmetrical dipole settings the most in a center of symmetry, each two symmetrical dipole constitutes a pair radiating doublet.Coaxial group of formation formula can be used to realize wideband array antenna with the oscillator of higher frequency, it is possible not only to reduce the size of antenna, the balance balun of low frequency radiating element can be reduced to being placed on the radiation effect of high frequency oscillator inside it simultaneously, thus ensure the multifrequency antenna for base station properties in each frequency range.
Description
Technical field
The present invention relates to communication technical field, in particular, relate to a kind of split type ultra-wideband dual polarised radiation list
Unit and antenna for base station.
Background technology
Due to the large-scale use of intelligent mobile terminal, make the data service in mobile communication occur in that and be skyrocketed through.For
Meet the requirement to high speed data transfer in mobile communication, domestic and international Ge great operator greatly developing with TD-LTE and
Two kinds of standards of FDD-LTE are main forth generation (4G) mobile communication technology.Nowadays, 2G, 3G and the 4G LTE network that will popularize
And deposit, the system of multiple use different frequency ranges exists simultaneously, needs to use the antenna for base station that can be operated in different frequency range.Use general
Logical narrow band antenna, a base station is accomplished by arranging many slave antennas, adds system complexity and property cost.In order to drop
Low networking cost, broadband, the miniaturization of antenna and multifrequency share and have become as one of current focus.
In the multifrequency antenna array that existing co-axial form designs, use the low frequency spoke that traditional half-wave radiation oscillator designs
Penetrate oscillator, because of the impact of radiation arm with balance balun so that stronger electricity occurs between low frequency radiation oscillator and high frequency radiation oscillator
Magnetic coupling, causes antenna to produce distortion at the directional diagram of low frequency or some frequency of high frequency, i.e. produces alien frequencies interference, so that
The indices hydraulic performance decline of antenna.And the multifrequency antenna of the co-axial form in the present embodiment, because of low frequency radiating element uniqueness
Structure and performance so that the performance of antenna is far superior to other same type antenna.
Summary of the invention
In view of this, it is necessary to for the problems referred to above, it is provided that a kind of split type ultra-wideband dual-polarization radiating unit and base station
Antenna, it is adaptable to mobile radio networks, covers 2G, 3G and LTE frequency range, has extraordinary lobe width broadband properties
With high-isolation characteristic, and compact conformation, it is easy to assemble and produce.
To achieve these goals, technical scheme is as follows:
A kind of split type ultra-wideband dual-polarization radiating unit, including four symmetrical dipoles, described each symmetrical dipole
Including two unit radiation arms and balance balun, described unit radiation arm one end connects balance balun, and the end of the other end is upwards
Or it is bent downwardly 90 °；Described four symmetrical dipole settings the most in a center of symmetry, each two symmetrical dipole composition a pair
Radiating doublet.
As preferably, described two pairs of radiating doublet Orthogonal Composite form ± 45 ° of polarization modes.
As preferably, the unit radiation arm cross section of described symmetrical dipole is L-shaped, circular or rectangle.
As preferably, described balance balun top half is provided with the hollow slots of transforming section cabling, the latter half outer surface
It is provided with the groove of cable wiring.
As preferably, described balance balun is arc, and its one end connects two unit radiation arms, and the other end offers
Fixing screw.
As preferably, the spacing of described each two symmetrical dipole is 0.4 λ 0～0.6 λ 0, the arc of described balance balun
A length of 0.2 λ 0～0.4 λ 0, λ 0 wavelength corresponding to ultra-wideband dual-polarization radiating unit mid frequency.
A kind of band dual polarization antenna for base station is including some above-mentioned ultra-wideband dual-polarization radiating units, described some super
Broadband dualpolarization radiation unit is the most equidistantly arranged on metallic reflection plate, and described ultra-wideband dual-polarization radiating unit is embedded with
One high frequency radiating element.
As preferably, between described two the most adjacent ultra-wideband dual-polarization radiating units, it is provided with a high frequency radiation list
Unit.
As preferably, between described ultra-wideband dual-polarization radiating unit and high frequency radiating element, it is provided with rectangle or circular gold
Belong to frame.
As preferably, spacing about 0.6 λ 0～0.9 λ 0 of the most adjacent described two ultra-wideband dual-polarization radiating units, often
Adjacent two high frequency radiating element are spaced about 0.6 λ 01～0.95 λ 01, λ 01 ripple corresponding to high frequency vibrating subcenter frequency
Long.
Compared with prior art, the beneficial effects of the present invention is:
1, separate assembling low frequency dual-polarization radiating unit improves the stability of low frequency radiating element third order intermodulation；
2, bandwidth can effectively be increased, simultaneously by the length of regulation radiation arm end minor matters and the impedance of feeder line
The ultra-wideband dual-polarization radiating unit of the present invention also has that beam angle is little with frequency fluctuation scope, cross polarization differentiate high, every
From spending, radiation efficiency is high, be readily produced the advantages such as assembling, it is adaptable to mobile radio networks, covers 2G, 3G and LTE
Frequency range, has extraordinary lobe width broadband properties and high-isolation characteristic, and compact conformation, it is easy to assembles and produces；
3, symmetrical dipole by be installed on balance balun on two relative to balance balun be centrosymmetric arrange unit
Radiation arm and a balance balun are constituted, and use the mode of multistage matching section to realize feed, and described multistage matching section is to utilize to put down
Weighing apparatus balun hollow, adds the feeder line of different impedance, thus realizes wide-band impedance coupling in balance balun；
4, low frequency radiating element of the present invention can use coaxial group of formation formula to realize wideband with the oscillator of higher frequency
Array antenna, is possible not only to reduce the size of antenna, can reduce the balance balun of low frequency radiating element to being placed on it simultaneously
The radiation effect of the inside high frequency oscillator, thus ensure the multifrequency antenna for base station properties in each frequency range.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of the radiating element of the embodiment of the present invention；
Fig. 2 is the upward view of the radiating element of the embodiment of the present invention；
Fig. 3 is the axonometric chart of the radiating element of the embodiment of the present invention；
Fig. 4 is the base station antenna configuration schematic diagram of the embodiment of the present invention.
Detailed description of the invention
Ultra-wideband dual-polarization radiating unit split type to one of the present invention with embodiment and base below in conjunction with the accompanying drawings
Station antenna is described further.
The following is a kind of split type ultra-wideband dual-polarization radiating unit of the present invention and the preferred example of antenna for base station,
The most therefore protection scope of the present invention is limited.
Fig. 1 to Fig. 3 shows a kind of split type ultra-wideband dual-polarization radiating unit, including four symmetrical dipoles, described
Each symmetrical dipole includes two unit radiation arms 1 and balance balun 7, and described unit radiation arm 1 one end connects balance balun
7, the end of the other end upwards, be bent downwardly 90 °, such as labelling 2,3 part in figure, two lists that described balance balun 7 connects
Unit's radiation arm 1 is set to 90 degrees；Described four symmetrical dipole settings the most in a center of symmetry, each two structure of symmetrical dipole
Radiating doublet in a pair, radiating doublet described in every a pair is corresponding to a polarization of radiating element；Symmetrical dipole is by being installed on
Balance balun on two relative to balance balun be centrosymmetric arrange unit radiation arm and one balance balun constitute, use
The mode of multistage matching section realizes feed, and described multistage matching section is to utilize balance balun hollow, adds difference in balance balun
The feeder line of impedance, thus realize wide-band impedance coupling.Can be by the length of regulation radiation arm end minor matters and the resistance of feeder line
Anti-, effectively increase bandwidth, the ultra-wideband dual-polarization radiating unit of the present invention is applicable to mobile radio networks, covers
2G, 3G and LTE frequency range, has extraordinary lobe width broadband properties and high-isolation characteristic, and compact conformation, it is easy to assemble
Produce.
In the present embodiment, described two pairs of radiating doublet Orthogonal Composite form ± 45 ° of polarization modes, and antenna has been effectively ensured
The good result of diversity reception in work process, can reduce call loss, reduces interference, improves the service quality of the whole network.
In the present embodiment, unit radiation arm 1 cross section of described symmetrical dipole is L-shaped, circular or rectangle.
In the present embodiment, described balance balun 7 top half is provided with the hollow slots 4 of transforming section cabling 5, outside the latter half
Surface is provided with the groove 6 of cable wiring, is hidden cable wiring position by balance balun 7, is fixed, the present invention being
Structure is the compactest.
As preferably, described balance balun 7 is arc, and its one end connects two unit radiation arms 1, and the other end is offered
Having fixing screw 8, in the present embodiment, the end of the arc bending part of four balance baluns 7 is positioned at same level
On, by mating of bolt and screw, respectively end of each balance balun 7 can be fixed in same level, enter
And the split type ultra-wideband dual-polarization radiating unit of the present invention is fixed；In the present embodiment, described each two balances balun 7
Having a certain distance between end, after four balance baluns 7 are fixed respectively, its end surrounds an idle area, can be according to need
Configure other radiating elements.
As preferably, the spacing of described each two symmetrical dipole is 0.4 λ 0～0.6 λ 0, the arc of described balance balun 7
A length of 0.2 λ 0～0.4 λ 0, λ 0 wavelength corresponding to ultra-wideband dual-polarization radiating unit mid frequency.
Fig. 4 shows a kind of band dual polarization antenna for base station, including some above-mentioned ultra-wideband dual-polarization radiating unit B3,
In the present embodiment, described ultra-wideband dual-polarization radiating unit B3 is low frequency radiating element, described some ultra-wideband dual polarised radiation
Unit envelope curve is equidistantly arranged on metallic reflection plate B1, and described ultra-wideband dual-polarization radiating unit B3 is embedded with a high frequency spoke
Penetrate unit B 5.Low frequency radiating element can use coaxial group of formation formula to realize wideband array antenna, not only with the oscillator of higher frequency
The size of antenna can be reduced, the balance balun of low frequency radiating element can be reduced to being placed on high frequency oscillator inside it simultaneously
Radiation effect, thus ensure the multifrequency antenna for base station properties in each frequency range.
As preferably, between described two the most adjacent ultra-wideband dual-polarization radiating unit B3, it is provided with a high frequency radiation list
Unit B5.Rectangle or circular metal frame B4 it is provided with between described ultra-wideband dual-polarization radiating unit B3 and high frequency radiating element B5.Logical
Cross above-mentioned arrangement mode, effectively reduce the ultra-wideband dual-polarization radiating unit B3 caused because of the impact of radiation arm with balance balun
And the electromagnetic coupled between high frequency radiating element B5, so that antenna produces abnormal at the directional diagram of low frequency or some frequency of high frequency
The probability become, i.e. effectively reduces alien frequencies interference so that antenna property indices is more superior.
As preferably, spacing about 0.6 λ 0～0.9 λ 0 of the most adjacent described two ultra-wideband dual-polarization radiating units, often
Adjacent two high frequency radiating element are spaced about 0.6 λ 01～0.95 λ 01, λ 01 ripple corresponding to high frequency vibrating subcenter frequency
Long.
Compared with prior art, the beneficial effects of the present invention is:
1, separate assembling low frequency dual-polarization radiating unit improves the stability of low frequency radiating element third order intermodulation；
2, bandwidth can effectively be increased, simultaneously by the length of regulation radiation arm end minor matters and the impedance of feeder line
The ultra-wideband dual-polarization radiating unit of the present invention also has that beam angle is little with frequency fluctuation scope, cross polarization differentiate high, every
From spending, radiation efficiency is high, be readily produced the advantages such as assembling, it is adaptable to mobile radio networks, covers 2G, 3G and LTE
Frequency range, has extraordinary lobe width broadband properties and high-isolation characteristic, and compact conformation, it is easy to assembles and produces；
3, symmetrical dipole by be installed on balance balun on two relative to balance balun be centrosymmetric arrange unit
Radiation arm and a balance balun are constituted, and use the mode of multistage matching section to realize feed, and described multistage matching section is to utilize to put down
Weighing apparatus balun hollow, adds the feeder line of different impedance, thus realizes wide-band impedance coupling in balance balun；
4, low frequency radiating element of the present invention can use coaxial group of formation formula to realize wideband with the oscillator of higher frequency
Array antenna, is possible not only to reduce the size of antenna, can reduce the balance balun of low frequency radiating element to being placed on it simultaneously
The radiation effect of the inside high frequency oscillator, thus ensure the multifrequency antenna for base station properties in each frequency range.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a split type ultra-wideband dual-polarization radiating unit, it is characterised in that include four symmetrical dipoles, described each right
Claiming dipole to include two unit radiation arms and balance balun, described unit radiation arm one end connects balance balun, the other end
End 90-degree bent up or down；Described four symmetrical dipole settings the most in a center of symmetry, each two symmetrical dipole
Constitute a pair radiating doublet.
Split type ultra-wideband dual-polarization radiating unit the most according to claim 1, it is characterised in that radiation is shaken by described two
Sub-Orthogonal Composite forms ± 45 ° of polarization modes.
Split type ultra-wideband dual-polarization radiating unit the most according to claim 1, it is characterised in that described symmetrical dipole
Unit radiation arm cross section is L-shaped, circular or rectangle.
Split type ultra-wideband dual-polarization radiating unit the most according to claim 1, it is characterised in that in described balance balun
Half part is provided with the hollow slots of transforming section cabling, and the latter half outer surface is provided with the groove of cable wiring.
5. according to the split type ultra-wideband dual-polarization radiating unit described in claim 1 or 4, it is characterised in that described balance bar
Human relations are arc, and its one end connects two unit radiation arms, and the other end offers fixing screw.
Split type ultra-wideband dual-polarization radiating unit the most according to claim 5, it is characterised in that described each two is symmetrical
The spacing of dipole is 0.4 λ 0～0.6 λ 0, the arc length of described balance balun be 0.2 λ 0～0.4 λ 0, λ 0 be ultra-wideband dual polarization
Wavelength corresponding to radiating element mid frequency.
7. a band dual polarization antenna for base station, it is characterised in that include some surpassing as described in arbitrary in claim 1 to 6
Broadband dualpolarization radiation unit, described some ultra-wideband dual-polarization radiating units are the most equidistantly arranged on metallic reflection plate,
Described ultra-wideband dual-polarization radiating unit is embedded with a high frequency radiating element.
Band dual polarization antenna for base station the most according to claim 7, it is characterised in that described two the most adjacent ultra-wideband
A high frequency radiating element it is provided with between dual-polarization radiating unit.
Band dual polarization antenna for base station the most according to claim 7, it is characterised in that described ultra-wideband dual polarised radiation list
It is provided with rectangle or circular metal frame between unit and high frequency radiating element.
Band dual polarization antenna for base station the most according to claim 7, it is characterised in that the most adjacent described two ultra-wideband
The spacing of dual-polarization radiating unit about 0.6 λ 0～0.9 λ 0, the most adjacent two high frequency radiating element are spaced about 0.6 λ 01～0.95
λ 01, the λ 01 wavelength corresponding to high frequency vibrating subcenter frequency.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767705.5A CN106169644A (en) | 2016-08-30 | 2016-08-30 | A kind of split type ultra-wideband dual-polarization radiating unit and antenna for base station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767705.5A CN106169644A (en) | 2016-08-30 | 2016-08-30 | A kind of split type ultra-wideband dual-polarization radiating unit and antenna for base station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046167A (en) * | 2016-12-26 | 2017-08-15 | 董玉良 | Ultrabroad band dual polarized antenna |
| CN109103577A (en) * | 2018-08-16 | 2018-12-28 | 昆山恩电开通信设备有限公司 | A kind of Wideband half-wave radiation unit and antenna |
| CN109193113A (en) * | 2018-11-06 | 2019-01-11 | 深圳市鑫龙通信技术有限公司 | A kind of dual-polarization radiating unit of antenna for base station |
| CN111224224A (en) * | 2018-11-27 | 2020-06-02 | 华为技术有限公司 | Antenna and array antenna |
| CN111710966A (en) * | 2020-06-30 | 2020-09-25 | 广东工业大学 | Split ring loaded dual-frequency dual-polarized base station antenna |
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| CN107046167A (en) * | 2016-12-26 | 2017-08-15 | 董玉良 | Ultrabroad band dual polarized antenna |
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| CN109193113A (en) * | 2018-11-06 | 2019-01-11 | 深圳市鑫龙通信技术有限公司 | A kind of dual-polarization radiating unit of antenna for base station |
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| CN111710966A (en) * | 2020-06-30 | 2020-09-25 | 广东工业大学 | Split ring loaded dual-frequency dual-polarized base station antenna |
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