CN205985337U - Two polarized radiation units of broadband - Google Patents
Two polarized radiation units of broadband Download PDFInfo
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- CN205985337U CN205985337U CN201621015733.3U CN201621015733U CN205985337U CN 205985337 U CN205985337 U CN 205985337U CN 201621015733 U CN201621015733 U CN 201621015733U CN 205985337 U CN205985337 U CN 205985337U
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Abstract
The utility model provides a two polarized radiation units of broadband, wherein, every polarization of two polarized radiation units of broadband is including two dipole subunits that form the array, two dipole subunits adopt different distributing point and homophase feed, every dipole subunit in two dipole subunits includes two at least dipoles, at least two dipoles same distributing point of sharing and shunt feed, wherein, every dipole of two polarized radiation units of broadband all includes two oscillator arms. According to the utility model discloses a two polarized radiation units of broadband matches in the broadband very easily, has higher radiant efficiency.
Description
Technical field
This utility model is related to antenna technical field, more particularly, to a kind of broadband dual-polarization radiating unit.
Background technology
In prior art, the dual-polarization radiating unit of high-gain can not be operated in broadband well, in broadband
It is highly difficult for joining existing radiating element, and unmatched radiating element can cause amplitude and PHASE DISTRIBUTION inconsistent, thus
So that feeding waste less efficient and that energy can be produced, and the antenna pattern during broadband can be deformed, especially
It is that radiation secondary lobe can not be suppressed well, and this will lead to the interference between two adjacent base stations.
Following two solutions are generally adopted in prior art：
1) each polarization of dual-polarization radiating unit includes a pair of dipole of parallelly feeding (fed in parallel).
As shown in figure 1, being the structural representation of the dual-polarization radiating unit of an example in prior art, wherein, this dual polarised radiation
Each polarization of unit includes four oscillator arms, and for one of polarization, Arm01 and Arm04 forms a dipole,
Arm02 and Arm03 forms another dipole, and this two dipoles share a distributing point and parallelly feeding.Based on this solution
The radiation efficiency of the dual-polarization radiating unit of scheme is relatively low.
2) each polarization of dual-polarization radiating unit includes forming a pair of dipole of array.As shown in Fig. 2 being existing skill
The structural representation of the dual-polarization radiating unit of an example in art, wherein, each polarization of this dual-polarization radiating unit is same
Including four oscillator arms, for one of polarization, Arm05 and Arm06 forms a dipole, Arm07 and Arm08 composition is another
One dipole, this two dipoles, form array, and this two dipoles have respective distributing point.Based on this solution
Dual-polarization radiating unit be difficult to broadband mate.
Utility model content
The purpose of this utility model is to provide a kind of broadband dual-polarization radiating unit.
According to one side of the present utility model, provide a kind of broadband dual-polarization radiating unit, wherein, described broadband
Each polarization of dual-polarization radiating unit includes forming two dipole triads of array, and described two dipole triads adopt different
Distributing point and homophase feed, each dipole triads in described two dipole triads included at least two dipoles, described at least
Two dipoles, share same distributing point and parallelly feeding, wherein, each dipole of described broadband dual-polarization radiating unit
Son all includes two oscillator arms.
Compared with prior art, this utility model has advantages below：Described broadband dual-polarization radiating unit holds very much
Easily mate in broadband, there is higher radiation efficiency, can be used in increasing VSWR (the Voltage Standing of antenna
Wave Ratio, voltage standing wave ratio) bandwidth；And, by changing the length of the oscillator arms of broadband dual-polarization radiating unit, can
Broadband dual-polarization radiating unit is made to be used for different working frequency range；Compared with dual-polarization radiating unit of the prior art,
Higher gain and narrower beam angle can be realized using the antenna of described broadband dual-polarization radiating unit；Can drop
The labor cost that low antenna cost of manufacture and antenna assemblies are consumed, and the structure of described broadband dual-polarization radiating unit sets
Meter is more simple, reduces development cost；The reliability of described broadband dual-polarization radiating unit and concordance are higher, Neng Gouti
High antenna quality, and it is easier the VSWR of tuned dipole in broadband such that it is able to accelerate research and development process.
Brief description
By reading the detailed description that non-limiting example is made made with reference to the following drawings, of the present utility model
Other features, objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of the dual-polarization radiating unit of one example of prior art；
Fig. 2 is the structural representation of the dual-polarization radiating unit of another example of prior art；
Fig. 3 is the structural representation of the broadband dual-polarization radiating unit of one example of this utility model；
Fig. 4 is the normalization resistance of broadband dual-polarization radiating unit shown in Fig. 3 and the dual-polarization radiating unit of prior art
The contrast schematic diagram of anti-curve；
Fig. 5 is the spoke in H plane for the dual-polarization radiating unit of broadband dual-polarization radiating unit shown in Fig. 3 and prior art
Penetrate direction contrast schematic diagram；
Fig. 6 is the structural representation of the broadband dual-polarization radiating unit of another example of this utility model；
Fig. 7 is the structural representation of the broadband dual-polarization radiating unit of another example of this utility model；
Fig. 8 is the structural representation of the broadband dual-polarization radiating unit of another example of this utility model.
In accompanying drawing, same or analogous reference represents same or analogous part.
Specific embodiment
This utility model provides broadband dual-polarization radiating unit wherein, described broadband dual-polarization radiating unit every
Individual polarization includes two dipole triads of formation array (that is, described broadband dual-polarization radiating unit includes four dipoles altogether
Subgroup), described two dipole triads adopt different distributing points and homophase feeds (fed in phase), described two dipoles
Each dipole triads in group included at least two dipoles, and described at least two dipoles share same distributing point and parallel connection
Feed, wherein, each dipole of described broadband dual-polarization radiating unit, all includes two oscillator arms.
Wherein, the angle between two oscillator arms of each dipole of described broadband dual-polarization radiating unit can be big
In 0 ° and arbitrarily angled less than or equal to 180 °.It should be noted that the two of each dipole oscillator arms angulations are
Identical.For example, two oscillator arms of each dipole of broadband dual-polarization radiating unit are mutually vertical (also
90°).
It should be noted that the angle between the two of each dipole described oscillator arms is less, described broadband is bipolar
Change in radiating element and multifrequency antenna between other radiating elements of different frequency range influence each other less；Each dipole described
Two oscillator arms between angle bigger, the effective aperture of described broadband dual-polarization radiating unit is bigger, its radiation efficiency
Higher.In actual applications, interference between operative scenario and other radiating elements, radiation efficiency etc. can be considered multiple
Factor, to determine the angle between two oscillator arms of each dipole of broadband dual-polarization radiating unit.
As the first alternative, the oscillator arms end of a polarization and this of described broadband dual-polarization radiating unit
Between the oscillator arms end of vertical polarization of polarization, there is certain interval, that is, each of broadband dual-polarization radiating unit is even
It is not connected between the subgroup of pole.The size of the broadband dual-polarization radiating unit based on this alternative is larger.
As second alternative, two polarization of described broadband dual-polarization radiating unit share oscillator arms, that is,
Each oscillator arms in described broadband dual-polarization radiating unit, are all shared by two polarization.Width based on this alternative
The size of frequency band dual-polarization radiating unit is less.
In actual applications, can operative scenario based on broadband dual-polarization radiating unit come determine using above-mentioned which kind of can
Select scheme.For example, in single-band antenna scene, the first alternative above-mentioned can be adopted；In miniature antenna scene, can adopt
With above-mentioned second alternative.
Wherein, each dipole triads of described broadband dual-polarization radiating unit include more multiple current dipoles, described wideband
Can operate at wider frequency band with dual-polarization radiating unit.However, increasing with dipole quantum count, broadband dual polarization spoke
The complexity penetrating unit also can increase, and cost of manufacture also can increase therewith, therefore, in actual applications, can be double in conjunction with broadband
The use frequency range of ultra-wideband antenna, to determine a dipole quantum count matching with this frequency range.
Wherein, the length of described oscillator arms is corresponding with the frequency range that described broadband dual-polarization radiating unit is worked.?
In practical application, the length of oscillator arms can be determined for different use frequency ranges, such as a frequency range, determination is operated in
The length of the oscillator arms of broadband dual-polarization radiating unit of this frequency range is about quarter-wave.
According to broadband dual-polarization radiating unit of the present utility model, it is very easy to coupling in broadband, has higher
Radiation efficiency, can be used in increase antenna VSWR bandwidth；And, by changing the oscillator of broadband dual-polarization radiating unit
The length of arm, can make broadband dual-polarization radiating unit be used for different working frequency range.Additionally, it is bipolar with of the prior art
Change radiating element to compare, higher gain and narrower can be realized using the antenna of described broadband dual-polarization radiating unit
Beam angle.
Additionally, according to broadband dual-polarization radiating unit of the present utility model, antenna cost of manufacture and antenna can be reduced
Assemble consumed labor cost, and the structure design of described broadband dual-polarization radiating unit is more simple, reduces out
Send out cost；And, the reliability of described broadband dual-polarization radiating unit and concordance are higher, it is possible to increase antenna quality, and
It is easier the VSWR of tuned dipole in broadband such that it is able to accelerate research and development process.
It should be noted that described broadband dual-polarization radiating unit is not limited to for antenna for base station, it is also applicable to
In other radio frequency applications, as antenna for satellite communication etc..
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Fig. 3 is the structural representation of the broadband dual-polarization radiating unit of one example of this utility model.This dual polarization spoke
Penetrate unit and include four dipole triads, and each dipole triads includes two dipoles.For the sake of simplicity, with dotted line frame in Fig. 3
Two included dipole triads of polarization are indicated：Group1, Group2, wherein, Group1 and Group2 is remote mutually
From and form array, both have each individually distributing point and homophase feed.Wherein, Group1 includes dipole Dipole1
And Dipole2, wherein, Dipole1 includes oscillator arms Arm11 and Arm12, and Dipole2 includes oscillator arms Arm13 and Arm14,
Dipole1 and Dipole2 shares same distributing point (and parallelly feeding；Group1 includes dipole Dipole3 and Dipole4,
Wherein, Dipole3 includes oscillator arms Arm15 and Arm16, and Dipole4 includes oscillator arms Arm17 and Arm18, Dipole3 and
Dipole4 shares with another distributing point and parallelly feeding.
Wherein, two oscillator arms of each dipole of broadband dual-polarization radiating unit shown in Fig. 3 are mutually vertical
(namely in 90 °).
Wherein, hung down with this polarization in the oscillator arms end that of the broadband dual-polarization radiating unit shown in Fig. 3 polarizes
Between the oscillator arms end of straight polarization, there is certain interval.For example, as shown in figure 3, Arm11 end (is equivalent to Arm11 place pole
The oscillator arms end changed) have and Arm19 end (being equivalent to the oscillator arms end of the vertical polarization of polarization that Arm11 is located) between
Certain interval.Therefore, the broadband dual-polarization radiating unit shown in Fig. 3 is applicable to single-band antenna scene.
Fig. 4 is the normalization resistance of broadband dual-polarization radiating unit shown in Fig. 3 and the dual-polarization radiating unit of prior art
The contrast schematic diagram of anti-curve (impedance curve).Wherein, indicated inside outermost layer circle 0.00,0.20,
0.50th, 1.00,2.00,5.00 etc. is normalized resistance value, and each lines through circular arc represent normalized reactance；Wherein, L1
The normalized impedance curve of broadband dual-polarization radiating unit shown in Fig. 3, L2 is the dual-polarization radiating unit of prior art
Normalized impedance curve.Can be it is evident that it be very convergence that L1 compares L2 by comparing L1 with L2, this shows this utility model
Broadband dual-polarization radiating unit be easier to carry out impedance matching in broadband, and there is less return loss, therefore, this reality
With the antenna of new broadband dual-polarization radiating unit, there is more preferable VSWR concordance, be easy to produce in batches.
Fig. 5 is the spoke in H plane for the dual-polarization radiating unit of broadband dual-polarization radiating unit shown in Fig. 3 and prior art
Penetrate direction contrast schematic diagram.Wherein, abscissa represents frequency values (Freq), and unit is MHZ, and vertical coordinate represents Half Power Beamwidth
Degree, unit is ° (Deg)；Wherein, L3 is the radiation direction curve of broadband dual-polarization radiating unit shown in Fig. 3, and L4 is existing skill
The radiation direction curve of the dual-polarization radiating unit of art.Can substantially be learnt by comparing L3 and L4, broadband of the present utility model
The narrower more convergence of beam angle of dual-polarization radiating unit is it means that broadband dual-polarization radiating unit of the present utility model has
High radiation efficiency and good base station is had to cover.
Fig. 6 is the structural representation of the broadband dual-polarization radiating unit of another example of this utility model.This broadband
Each dipole triads of dual-polarization radiating unit include three dipoles, two oscillator arms of each dipole orthogonal (
I.e. the angle between two oscillator arms is 90 °), such as Arm21 and Arm22 forms a dipole, and Arm21 and Arm22 is mutual
Vertically.The oscillator arms end of one polarization of this broadband dual-polarization radiating unit is last with the oscillator arms of the vertical polarization of this polarization
There is between end certain interval, be relatively applied to single-band antenna scene.
Fig. 7 is the structural representation of the broadband dual-polarization radiating unit of another example of this utility model.This broadband
Each dipole triads of dual-polarization radiating unit include three dipoles, and the angle between two oscillator arms of each dipole is big
In 90 ° and less than 180 °, such as Arm31 and Arm32 forms an angle between dipole, and Arm31 and Arm32 and is more than 90 °
And it is less than 180 °.The oscillator arms end of one polarization of this broadband dual-polarization radiating unit and shaking of the vertical polarization of this polarization
Between sub- arm end, there is certain interval, be relatively applied to single-band antenna scene.Compared with Fig. 6, because shown in Fig. 7, broadband is bipolar
Change the angle being formed between two oscillator arms of each dipole of radiating element bigger, therefore, this broadband dual polarised radiation
The radiation efficiency of unit is higher.
Fig. 8 is the structural representation of the broadband dual-polarization radiating unit of another example of this utility model.This broadband
Each dipole triads of dual-polarization radiating unit include three dipoles, mutually vertical between two oscillator arms of each dipole
Directly, it is 90 ° as Arm41 and Arm42 forms an angle between dipole, and Arm41 and Arm42.This broadband dual polarization
Two of radiating element polarization share oscillator arms, and as shown in Figure 8, Arm41 and Arm42 forms a dipole, Arm41 and
Arm43 forms another dipole, and this two dipoles are belonging respectively to two polarization of this broadband dual-polarization radiating unit,
Therefore, Arm41 is shared by this two polarization, similarly, other oscillator arms of this broadband dual-polarization radiating unit also all by
This two polarization are shared.Compared with Fig. 6 and Fig. 7, the size of this broadband dual-polarization radiating unit is less, is relatively applied to small-sized
Change antenna scene.
It should be noted that each dipole triads of the broadband dual-polarization radiating unit shown in Fig. 3 include two dipoles
Son, and each dipole triads of the broadband dual-polarization radiating unit of Fig. 6, Fig. 7 and Fig. 8 all include three dipoles, therefore, figure
6th, the broadband dual-polarization radiating unit of Fig. 7 and Fig. 8 can be operated in broader frequency band.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, this practicality can be realized in other specific forms new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that the containing of equivalency that will fall in claim
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as limiting
Involved claim.Furthermore, it is to be understood that " inclusion " one word is not excluded for other units or step, odd number is not excluded for plural number.System
In claim, multiple units of statement or device can also be realized by software or hardware by a unit or device.The
One, the second grade word is used for representing title, and is not offered as any specific order.
Claims (6)
1. a kind of broadband dual-polarization radiating unit, wherein, each polarization of described broadband dual-polarization radiating unit includes shape
Become two dipole triads of array, described two dipole triads adopt different distributing points and homophase feed, described two dipoles
Each dipole triads in subgroup included at least two dipoles, and described at least two dipoles share same distributing point and simultaneously
Connection feed, wherein, each dipole of described broadband dual-polarization radiating unit, all includes two oscillator arms.
2. broadband dual-polarization radiating unit according to claim 1, wherein, two oscillator arms of each dipole described
Between angle may be greater than 0 ° and arbitrarily angled less than or equal to 180 °.
3. broadband dual-polarization radiating unit according to claim 1 and 2, wherein, described broadband dual polarised radiation list
Between the oscillator arms end of one polarization of unit and the oscillator arms end of vertical polarization of this polarization, there is certain interval.
4. broadband dual-polarization radiating unit according to claim 1 and 2, wherein, described broadband dual polarised radiation list
Two polarization of unit share oscillator arms.
5. broadband dual-polarization radiating unit according to claim 1, wherein, each dipole triads described include more
Dipole, described broadband dual-polarization radiating unit can operate at wider frequency band.
6. broadband dual-polarization radiating unit according to claim 1, wherein, the length of described oscillator arms and described wideband
The frequency range being worked with dual-polarization radiating unit is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015733.3U CN205985337U (en) | 2016-08-30 | 2016-08-30 | Two polarized radiation units of broadband |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015733.3U CN205985337U (en) | 2016-08-30 | 2016-08-30 | Two polarized radiation units of broadband |
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| Publication Number | Publication Date |
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| CN205985337U true CN205985337U (en) | 2017-02-22 |
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| CN201621015733.3U Active CN205985337U (en) | 2016-08-30 | 2016-08-30 | Two polarized radiation units of broadband |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799878A (en) * | 2016-08-30 | 2018-03-13 | 安弗施无线射频系统（上海）有限公司 | A kind of broadband dual-polarization radiating unit |
| CN109768373A (en) * | 2017-11-09 | 2019-05-17 | 安弗施无线射频系统（上海）有限公司 | A kind of radiating element and bandwidth extended structure |
-
2016
- 2016-08-30 CN CN201621015733.3U patent/CN205985337U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799878A (en) * | 2016-08-30 | 2018-03-13 | 安弗施无线射频系统（上海）有限公司 | A kind of broadband dual-polarization radiating unit |
| CN109768373A (en) * | 2017-11-09 | 2019-05-17 | 安弗施无线射频系统（上海）有限公司 | A kind of radiating element and bandwidth extended structure |
| US11984666B2 (en) | 2017-11-09 | 2024-05-14 | Rfs Technologies, Inc. | Radiation element and bandwidth extension structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230504 Address after: No.388 ningqiao Road, pilot Free Trade Zone, Pudong New Area, Shanghai, 201206 Patentee after: NOKIA SHANGHAI BELL Co.,Ltd. Address before: 201613 No. 299, Rongle East Road, Songjiang District, Shanghai Patentee before: Alcatel Lucent |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230901 Address after: Connecticut, USA Patentee after: Anfersch Technology Co. Address before: No.388 ningqiao Road, pilot Free Trade Zone, Pudong New Area, Shanghai, 201206 Patentee before: NOKIA SHANGHAI BELL Co.,Ltd. |
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| TR01 | Transfer of patent right |