CN106602223A - Low-frequency radiation unit - Google Patents
Low-frequency radiation unit Download PDFInfo
- Publication number
- CN106602223A CN106602223A CN201611164995.0A CN201611164995A CN106602223A CN 106602223 A CN106602223 A CN 106602223A CN 201611164995 A CN201611164995 A CN 201611164995A CN 106602223 A CN106602223 A CN 106602223A
- Authority
- CN
- China
- Prior art keywords
- period
- time
- arm
- radiating element
- balun
- 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.)
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Classifications
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a low-frequency radiation unit which comprises the components of two pairs of same bent symmetrical oscillators, a base, and two pairs of same symmetrical BaLance To Unbalance Transformers(BALUNs) which are mounted on the base. The two pairs of symmetrical oscillators form a square opening. Two oscillators in each pair of symmetrical oscillators and two balance to unbalance transformer in each pair of symmetrical balance-unbalance converters are symmetrical relative to the diagonal line of the square opening. Each oscillator comprises two same oscillator arms. Furthermore an included angle between the two oscillator arms is 90 DEG. Each oscillator arm comprises a first radiation arm section and a second radiation arm section which are collinearly connected. Each oscillator arm is provided with a vertical surface which extends in the vertical direction. The inside of the vertical surface of each oscillator arm is provided with a metal semicircular column. Each balance to unbalance to unbalance transformer comprises two arms which are symmetrical side by side. The arm of each balance-unbalance converter is composed of an oblique segment and a top vertical segment. The oblique segment is connected with the base. The top vertical segment is connected with the first radiation arm section. The low-frequency radiation unit can realize a smaller opening and a larger working bandwidth, thereby facilitating realization of a coaxial double-frequency bandwidth antenna array.
Description
Technical field
The present invention relates to the technical field of mobile communication, refers in particular to a kind of low frequency radiating element.
Background technology
Mobile Communication Industry experienced in the past few decades rapidly swift and violent development, from the 1G of early stage 4G till now,
It experienced from analog to digital communication, the fast development from arrowband to broadband connections, from low capacity to high power capacity.It is this
In the Consumer's Experience of broadband high-speed, antenna for base station has vital effect.Antenna is guided wave and free sky in transmission line
Between in electromagnetic wave converter, play the role of in mobile communications important.Environment is complicated and changeable in Modern Communication System, has very
Big disturbing factor, with Bipolarization antenna for base station multipath fading can be overcome, while increasing channel capacity.Modern mobile communication
System is
The second generation, the third generation, forth generation mobile communication coexist.This requires that antenna for base station can realize broadband, multifrequency
Cover.Site space can not only be saved, while reduces cost.But, multiple mobile communication standards coexist and can bring different frequency range
The mutual coupling of antenna, this just proposes challenge to the miniaturization of low-and high-frequency antenna element.
In prior art, the usual bore of low frequency radiation is larger, is being realized using high frequency radiating element and low frequency radiating element
There are many difficulties during coaxial nested array antenna, or even the orthographic projection of low frequency radiating element can cover high frequency a period of time, this increases
The mutual coupling between low-and high-frequency radiating element is added.Have impact on the radiation characteristic of high frequency radiating element.So that the realization of array antenna is more
Plus it is difficult.
Prior art is investigated, it is specific as follows：
1. patent publication No.：US6333720B1, the Kathrein companies of Germany propose one kind and are enclosed with four doublets
Low frequency a period of time of diamondwise structure realizes the nested multifrequency antenna array of low-and high-frequency.This is for the design tool of multifrequency nesting antenna
There is directive function, but because the size in do so low frequency a period of time can be than larger, so Modern Mobile Communications Systems can not be met
Application request.
2. patent publication No.：CN 101425626A, patent name：Broadband annular dual polarized radiating element and linear array day
Line, patentee：Comba Telecom Systems (China) Co., Ltd..Patent a period of time bore is prototype, relative to rhombus bore,
There is certain miniaturization to a certain extent.
The content of the invention
It is an object of the invention to overcome existing low frequency radiating element bore big, so as to be difficult to be operated in 698-
A kind of problem of the dual-band antenna array of 960MHz and 1710-2690MHz, there is provided small-bore low frequency radiating element, passes through
A period of time arm of traditional linear pattern doublet is internally bent into the square bore of realization, while using step grading structure
A period of time arm causes radiating element bore further to minimize.The small-bore low frequency radiating element can be used in 698-960MHz and
The dual-band antenna array of 1710-2690MHz.
For achieving the above object, technical scheme provided by the present invention is：A kind of low frequency radiating element, including two pairs identical
The doublet of bending, base and the symmetrical balun of two pairs of identicals on the base is installed；Two pairs of doublets enclose
Into square bore, two baluns in two in each pair doublet a period of time and the symmetrical balun of each pair are with square bore
Diagonal correspondence, each a period of time includes two identical a period of time arms, and the angle of two a period of time arms is 90 °, each battle array
Sub- arm includes the first radiation arm joint and the second radiation arm joint, and the first radiation arm joint of each a period of time arm and the second radiation arm joint are conllinear
Connection, each a period of time arm adopts step grading structure, wherein the first radiation arm joint is uniformly to become big grading structure, the second radiation
Arm joint is non-grading structure, i.e. homogeneous texture；Each a period of time arm has extended in vertical direction vertical plane, each a period of time arm
Vertical plane inner side protrudes metal semicolumn, and for increasing surface current path, all a period of time arms constitute square corner cut
Bore, four angles are the top vertical sections of balun；Each balun includes two arms symmetrical side by side, the arm of each balun be by
Tilting section and top vertical section are constituted, and tilting section is connected with base, and there is angle, and top vertical section connects the first radiation arm
Section, two top vertical sections of each balun are connected respectively with the first radiation arm joint of two a period of time arms in an a period of time,
A top vertical section wherein in each balun is provided with via, and for passing through for coaxial feeder cables, another top is erected
Straight section up protrudes metal column, for being connected with coaxial feeder cables inner core by feed tab.
The arm back side of each balun is the groove of arc-shaped, for the cabling of fixing coaxial feed cable.
The base is the plinth or annular base at outer shroud corner cut inner ring supplementary angle.
The length sum of the first radiation arm joint and the second radiation arm joint is less than radiating element operating center frequency
0.18 times of wavelength.
0.45 times wavelength of the bore of the low frequency radiating element less than its operating center frequency.
The first radiation arm joint is 135 ° with the top vertical section angle of adjacent balun.
The present invention compared with prior art, has the advantage that and beneficial effect：
1st, by the way that by linear pattern doublet arm 45-degree-buckling, fully rationally utilization space realizes the miniaturization of the first step.
2nd, by the present invention in that being extended to vertical direction with wide a period of time arm axial space is made full use of so as to reduce indirectly
A period of time bore.
3rd, by combining and realizing the miniaturization of doublet using step grading structure a period of time arm and wide a period of time arm, from
And furthermore achieved that the miniaturization in low frequency a period of time.
4th, it is metal semicolumn by increasing projection on a period of time arm, so as to increase current path, further realizes miniaturization.
5th, normal radiation unit bore is generally bigger than normal, for multifrequency antenna array design when due to high frequency radiation list
The mutual coupling of unit, can affect radiation characteristic.Low frequency radiating element proposed by the present invention realizes less bore and broader
Bandwidth of operation, so as to be beneficial to realize coaxial Dual-frequency wide-band antenna array.
Description of the drawings
Fig. 1 is the stereogram of low frequency radiating element of the present invention in embodiment 1.
Fig. 2 is the top view of low frequency radiating element of the present invention in embodiment 1.
Fig. 3 is the voltage standing wave ratio that low frequency radiating element of the present invention is operated in 670MHz-960MHz frequency ranges in embodiment 1
VSWR simulation curves.
Fig. 4 is the isolation emulation song that low frequency radiating element of the present invention is operated in 670MHz-960MHz frequency ranges in embodiment 1
Line.
Fig. 5 is to be used for low frequency radiating element of the present invention in embodiment 2 to design the top view in dual-band antenna a period of time.
Fig. 6 is the stereogram of low frequency Bipolarization antenna for base station in embodiment 3.
Fig. 7 is the top view of low frequency Bipolarization antenna for base station in embodiment 3.
Specific embodiment
With reference to specific embodiment, the present invention is described further.
Embodiment 1
A period of time upper-arm circumference that the present invention realizes being into square bore a period of time, a period of time bore is mainly by the length of a period of time arm
Determine.Our purposes are to reduce a period of time bore, that is to say, that realize that a period of time arm is realized in the case where working frequency range is constant small-sized
Change, what is expected first is exactly wide a period of time arm, be secondly exactly using a period of time arm of step grading structure, be exactly again by a period of time arm to
Vertical direction extends, and will not so increase a period of time bore, and can realize miniaturization, while also increasing a period of time inside bore space.
Increase raised or groove so as to increase current path on a period of time arm surface in addition, further realize miniaturization.
As shown in figure 1, the low frequency radiating element that the present embodiment is provided, including the doublet, outer of two pairs of identicals bending
The plinth 4 at ring cutting angle inner ring supplementary angle and two pairs of identical baluns on the plinth 4；Two pairs of doublets enclose
Into square bore, two baluns in two in each pair doublet a period of time and the symmetrical balun of each pair are with square bore
Diagonal correspondence, each a period of time includes two identical a period of time arms, and the angle of two a period of time arms is 90 °, each battle array
Sub- arm includes the first radiation radiation arm joint 22 of arm joint 21 and second.The first radiation radiation arm of arm joint 21 and second of each a period of time arm
The conllinear connection of section 22.Each a period of time arm adopts step grading structure, wherein the first radiation arm joint 21 is uniformly to become big graded junction
Structure, the second radiation arm joint 22 is non-grading structure, i.e. homogeneous texture；Each a period of time arm has been extended in vertical direction vertically
Face, the vertical plane inner side of each a period of time arm protrudes metal semicolumn 23, for increasing surface current path, all a period of time arms
The bore of square corner cut is constituted, four angles are the top vertical sections 1 of balun.Each balun includes two arms symmetrical side by side,
The arm of each balun is made up of the vertical section 1 on tilting section 3 and top, and tilting section 3 is connected with plinth 4, and there is folder
Angle, the connection of top vertical section 1 first radiates arm joint 21, two top vertical sections 1 of each balun respectively with an a period of time in
First radiation arm joint 21 of two a period of time arms is connected, i.e., one top vertical section 1 connects the first radiation arm of a period of time arm
Section 21, the first radiation arm joint 21 is 135 ° with the angle of top vertical section 1, a top vertical section 1 wherein in each balun
Via 6 is provided with, for passing through for coaxial feeder cables, another top vertical section 1 up protrudes little metal column 5, is used for
It is connected with coaxial feeder cables inner core by feed tab.The arm back side of each balun is formed with the groove 2 of arc-shaped, for fixing
Feeding coaxial lines cable cabling.The tilting section 3 of the balun for using in the present embodiment is rectilinear, it is of course also possible to be circular arc
Shape or the linear of stage gradual change.The base 4 of the present embodiment is the square ring-type that peripheral corner cut inside casing is handed in retroactively, also may be used certainly
To select annular base.
As shown in Fig. 2 corresponding a pair of the doublets 10 and 12 of square bore diagonal are like-polarized, -45 ° are realized
Polarization, the two doublets are by the coaxial power splitter feed of one-to-two.Another pair doublet 11 and 13 be it is like-polarized,
+ 45 ° of polarization are realized, the two doublets pass through the balun back side by the coaxial power splitter feed of another one-to-two, coaxial line
The cabling of groove 2 feed through the via 6 of top vertical section 1 of balun.First radiation arm joint 21 and second of each a period of time arm
The length sum of radiation arm joint 22 is less than 0.18 times of wavelength of the operating center frequency of low frequency radiating element 9,9 mouthfuls of low frequency radiating element
Footpath contributes to overcoming 698-960MHz and 1710-2690MHz dual-band antennas less than 0.45 times of wavelength of its operating center frequency
Design challenges.The first radiation radiation of arm joint 21 and second structure of arm joint 22 is not only limited to this, or multistage stepped uniform
Or the structure that non-homogeneous grading structure and nonlinear type a period of time arm be combined with each other.
Fig. 3 is the voltage standing wave ratio VSWR emulation song that low frequency radiating element of the present invention is operated in 670MHz-960MHz frequency ranges
Line, two polarization port VSWR in working band<1.5.Fig. 4 is operated in 670MHz- for low frequency radiating element of the present invention
The isolation simulation curve of 960MHz frequency ranges, it can be seen that be more than 29dB with interior isolation.
Embodiment 2
As shown in figure 5, for the basic dual-band antenna array structure design of the present embodiment, including two are operated in 698-
The low frequency radiating element (using the low frequency radiating element structure of embodiment 1) of 960MHz and four working frequency range 1710-2690MHz
High frequency radiating element 7 and reflecting plate 8.
Embodiment 3
As shown in Figure 6 and Figure 7, the main feature of the Bipolarization antenna for base station of the present embodiment has：The small-bore, and of a period of time arm 14
Balun is connected downward-sloping extension, and remaining is same as Example 1.It is of course also possible to use long and short a period of time arm of segmentation.
Embodiment described above is only the preferred embodiments of the invention, not limits the practical range of the present invention with this, therefore
The change that all shapes according to the present invention, principle are made, all should cover within the scope of the present invention.
Claims (6)
1. a kind of low frequency radiating element, it is characterised in that：Doublet, base including the bending of the two pairs of identicals and installed in this
The symmetrical balun of two pairs of identicals on base；Two pairs of doublets surround square bore, two in each pair doublet
With the diagonal correspondence of square bore, each a period of time includes two to two baluns in individual a period of time and the symmetrical balun of each pair
Identical a period of time arm, and the angle of two a period of time arms is 90 °, each a period of time arm includes the first radiation arm joint and the second radiation arm
Section, the first radiation arm joint of each a period of time arm and the second radiation arm joint collinearly connect, and each a period of time arm adopts step grading structure,
Wherein first radiation arm joint is uniformly to become big grading structure, and the second radiation arm joint is non-grading structure, i.e. homogeneous texture；Each
A period of time arm has extended in vertical direction vertical plane, and the vertical plane inner side of each a period of time arm protrudes metal semicolumn, uses
In increase surface current path, all a period of time arms constitute the bore of square corner cut, and four angles are the top vertical sections of balun；Often
Individual balun includes two arms symmetrical side by side, and the arm of each balun is made up of tilting section and top vertical section, tilting section with
Base connects, and there is angle, and top vertical section connection first radiates arm joint, two top vertical sections of each balun respectively with
First radiation arm joint of two a period of time arms in one a period of time is connected, and a top vertical section wherein in each balun is arranged
There is via, for passing through for coaxial feeder cables, another top vertical section up protrudes metal column, for by feed tab
It is connected with coaxial feeder cables inner core.
2. a kind of low frequency radiating element according to claim 1, it is characterised in that：The arm back side of each balun is arc-shaped
Groove, for the cabling of fixing coaxial feed cable.
3. a kind of low frequency radiating element according to claim 1, it is characterised in that：The base is outer shroud corner cut inner ring benefit
The plinth or annular base at angle.
4. a kind of low frequency radiating element according to claim 1, it is characterised in that：The first radiation arm joint and the second spoke
Penetrate the 0.18 times wavelength of the length sum less than radiating element operating center frequency of arm joint.
5. a kind of low frequency radiating element according to claim 1, it is characterised in that：The bore of the low frequency radiating element is little
In 0.45 times of wavelength of its operating center frequency.
6. a kind of low frequency radiating element according to claim 1, it is characterised in that：The first radiation arm joint and adjacent bar
The top vertical section angle of human relations is 135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611164995.0A CN106602223B (en) | 2016-12-16 | 2016-12-16 | Low-frequency radiation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611164995.0A CN106602223B (en) | 2016-12-16 | 2016-12-16 | Low-frequency radiation unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106602223A true CN106602223A (en) | 2017-04-26 |
| CN106602223B CN106602223B (en) | 2023-05-02 |
Family
ID=58801838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611164995.0A Active CN106602223B (en) | 2016-12-16 | 2016-12-16 | Low-frequency radiation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106602223B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110409A (en) * | 2018-01-30 | 2018-06-01 | 京信通信系统（中国）有限公司 | Broadband dual polarized antenna and its radiation appliance |
| CN108461904A (en) * | 2018-03-13 | 2018-08-28 | 江苏捷士通射频系统有限公司 | Ultra-wide-band emission unit applied to low-frequency range antenna |
| CN110416704A (en) * | 2018-04-26 | 2019-11-05 | 罗森伯格技术（昆山）有限公司 | A kind of antenna radiation unit and wide frequency antenna |
| CN112072281A (en) * | 2020-07-17 | 2020-12-11 | 中天通信技术有限公司 | Antenna radiation unit and broadband base station antenna |
| CN112582774A (en) * | 2019-09-30 | 2021-03-30 | 京信通信技术(广州)有限公司 | Antenna, radiating element thereof, balun structure of radiating element and manufacturing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117967A (en) * | 2009-12-30 | 2011-07-06 | 广东通宇通讯股份有限公司 | Broadband dual-polarized antenna radiation unit and antenna |
-
2016
- 2016-12-16 CN CN201611164995.0A patent/CN106602223B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117967A (en) * | 2009-12-30 | 2011-07-06 | 广东通宇通讯股份有限公司 | Broadband dual-polarized antenna radiation unit and antenna |
Non-Patent Citations (1)
| Title |
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| 侯荣晖;薛锋章;: "具有紧凑型结构的超宽带双极化基站天线" * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110409A (en) * | 2018-01-30 | 2018-06-01 | 京信通信系统（中国）有限公司 | Broadband dual polarized antenna and its radiation appliance |
| WO2019149187A1 (en) * | 2018-01-30 | 2019-08-08 | 京信通信系统（中国）有限公司 | Broadband dual-polarized antenna and radiation device thereof |
| CN108461904A (en) * | 2018-03-13 | 2018-08-28 | 江苏捷士通射频系统有限公司 | Ultra-wide-band emission unit applied to low-frequency range antenna |
| CN110416704A (en) * | 2018-04-26 | 2019-11-05 | 罗森伯格技术（昆山）有限公司 | A kind of antenna radiation unit and wide frequency antenna |
| CN112582774A (en) * | 2019-09-30 | 2021-03-30 | 京信通信技术(广州)有限公司 | Antenna, radiating element thereof, balun structure of radiating element and manufacturing method |
| CN112072281A (en) * | 2020-07-17 | 2020-12-11 | 中天通信技术有限公司 | Antenna radiation unit and broadband base station antenna |
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| Publication number | Publication date |
|---|---|
| CN106602223B (en) | 2023-05-02 |
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