CN109687114A - A kind of communication antenna and its dual polarization broadband radiating element - Google Patents
A kind of communication antenna and its dual polarization broadband radiating element Download PDFInfo
- Publication number
- CN109687114A CN109687114A CN201910064141.2A CN201910064141A CN109687114A CN 109687114 A CN109687114 A CN 109687114A CN 201910064141 A CN201910064141 A CN 201910064141A CN 109687114 A CN109687114 A CN 109687114A
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- China
- Prior art keywords
- oscillator
- radiating element
- communication antenna
- oscillator arms
- dual polarization
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- 238000004891 communication Methods 0.000 title claims abstract description 25
- 230000009977 dual effect Effects 0.000 title claims abstract description 17
- 230000010287 polarization Effects 0.000 title claims abstract description 17
- 230000005855 radiation Effects 0.000 claims abstract description 43
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
- H01Q19/106—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 two or more intersecting plane surfaces, e.g. corner reflector antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of communication antenna and its dual polarization broadband radiating element, radiating element includes the support column and two symmetric radiation oscillators that balanced-unbalanced converter is formed, each symmetric radiation oscillator is made of two symmetrical oscillator arms, two orthogonal thereto arrangements of symmetric radiation oscillator, there is coupling gap between adjacent vibration generators arm, oscillator arms are the frame-type structure of hollow out, its hollow-out part is equipped with open circuit detail, in two oscillator walls of the same symmetric radiation oscillator, one end of open circuit detail is connected as one with two opposite sides of oscillator arms, the other end extends towards the direction that two oscillator arms are away from each other.On the basis of oscillator arms form two orthogonal symmetric radiation oscillators, the open circuit detail of triangle is added in the oscillator arms of each hollow out frame-type structure, open circuit detail in two dipole arms forms a small symmetrical dipole radiation, increase a mode of resonance, increase a resonance point for radiating element more, the bandwidth of radiating element is expanded, to realize broadband radiation.
Description
Technical field
The present invention relates to a kind of communication antenna, the dual polarization broadband radiating element of specifically a kind of communication antenna with
And the communication antenna using the radiating element.
Background technique
With mobile communication fast development, 3G, 4G network coexisted situation is mature, and the communication system of various standards
There is different working frequency range, the section communication frequency range of 3G network TD-SCDMA, WCDMA, CDMA2000 are 1710 ~ 2145MHz,
The working frequency of smart antenna is 1880-1920MHz, 2010-2025MHz, 2300- in TD-SCDMA/LTE network
2400MHz, 2500-2690MHz.In TDD, FDD both of which in 4G network, it includes section communication frequency range be 1427 ~
1660 MHz and 1710-2145MHz.
In the case where multiple network standard coexists, in order to save base station installation resource, the cost of network construction is reduced, is adopted
Become first choice with the communication system scheme that multiple types are unified, this requires communication antennas can work in ultra-wide band, full
Compatibility requirement of the sufficient antenna to different network formats frequency range.
Summary of the invention
The technical problem to be solved by the present invention is to improve the bandwidth of antenna radiation unit to meet antenna to heterogeneous networks
The compatibility requirement of standard frequency range.
Used technical solution is the present invention to solve above-mentioned technical problem: a kind of dual polarization broadband of communication antenna
Radiating element, support column and two symmetric radiation oscillators being arranged on the support column including the formation of balanced-unbalanced converter,
Each symmetric radiation oscillator is made of two symmetrical oscillator arms, two orthogonal thereto arrangements of symmetric radiation oscillator, and two right
Claim that there is between adjacent oscillator arms coupling gap in radiating doublet, the oscillator arms are the frame-type structure of hollow out, are engraved at it
An open circuit detail extended from frame-type inner structural wall to center is equipped in empty part, at two of the same symmetric radiation oscillator
In oscillator wall, one end of the open circuit detail is connected as one with two opposite sides of oscillator arms, and the other end is towards two
The direction that oscillator arms are away from each other extends.
Two symmetric radiation oscillators are fed respectively by two feed tabs that are orthogonal thereto and placing up and down.
Adjacent oscillator arms are symmetrical relative to the central axis plane of radiating element in two symmetric radiation oscillators.
Maximum in two symmetric radiation oscillators between adjacent oscillator arms is spaced about 2/5 operation wavelength.
The height for the support column that balanced-unbalanced converter is formed is 1/4 operation wavelength.
The open circuit detail is triangle, rectangle or trapezoidal.
The width of the open circuit detail is gradually reduced from oscillator arms frame-type inner structural wall to its elongated end.
A kind of communication antenna with the radiating element, including reflecting plate and described in being arranged in array on reflecting plate
Radiating element.
Spacing on reflecting plate between adjacent radiation unit is 0.8 times of operation wavelength.
The edge of the reflecting plate has two layers of boundary lath.
The beneficial effects of the present invention are: forming the basis of two orthogonal symmetric radiation oscillators in two groups of symmetrical oscillator arms
On, open circuit detail is added in the oscillator arms of each hollow out frame-type structure, the open circuit detail in two dipole arms forms one
A small symmetrical dipole radiation, increases a mode of resonance, is that radiating element increases a resonance point more, has expanded radiating element
Bandwidth the operating frequency range of antenna greatly improved with conventional dual-polarization radiating unit to realize broadband radiation.Cause
This, can use multiple frequency band networks using dual polarization broadband radiating element disclosed by the invention, realize antenna to different nets
The compatibility of network standard frequency range considerably increases the multiple utilization rate of antenna.
Support column is formed by balanced-unbalanced converter, props up the radiating surface of entire radiating element, balancedunbalanced conversion
Unbalanced coaxial feed can be converted to balanced feeding by device, guarantee the symmetry of directional diagram and promoted cross polarization and every
From degree.
Detailed description of the invention
Fig. 1 is the schematic perspective view of dual polarization broadband radiating element of the present invention.
Fig. 2 is the front view of dual polarization broadband radiating element of the present invention.
Fig. 3 is the embodiment with the communication antenna of dual polarization broadband radiating element of the present invention.
Marked in the figure: 1,2: symmetric radiation oscillator；1a, 1b, 2a, 2b: oscillator arms；3, balanced-unbalanced converter；4, it presents
Electric piece；5a, 5b, 5c, 5d: open circuit detail；6, gap, 7, reflecting plate are coupled；8, radiating element；9, boundary lath.
Specific embodiment
Embodiments of the present invention are illustrated with reference to embodiments.
Dual polarization broadband radiating element of the invention includes a balanced-unbalanced converter 3 and two symmetric radiations
Oscillator 1,2.The support column that balanced-unbalanced converter 3 is formed, two symmetric radiation oscillators 1,2 are arranged on the support column.It is right
Radiating doublet 1 and 2 is claimed to be made of two symmetrical oscillator arms.As shown in Figure 1, symmetric radiation oscillator 1 is by symmetrical oscillator
Arm 1a, 1b composition, symmetric radiation oscillator 2 are made of symmetrical oscillator arms 2a, 2b.Two symmetric radiation oscillators 1,2 are orthogonal thereto
Arrangement, and fed respectively by two feed tabs 4 that are orthogonal thereto and placing up and down.Adjacent vibration in two symmetric radiation oscillators 1,2
There is coupling gap 6, for example, between oscillator arms 1a and oscillator arms 2a or between oscillator arms 2a and oscillator arms 1b between sub- arm
With coupling gap 6.Two orthogonal symmetric radiation oscillators 1,2 form orthogonal dual-polarization radiating unit.Two symmetric radiations
Maximum in oscillator between adjacent oscillator arms is spaced about 2/5 operation wavelength.It is left end in embodiment illustrated in fig. 2 to most
The distance of right end is 2/5 operation wavelength.
In the present invention, as shown in Figure 1, described oscillator arms 1a, 1b, 2a, 2b are the frame-type structure of hollow out, Fig. 1 embodiment
In be rectangular frame structure, adjacent oscillator arms are symmetrical relative to the central axis plane of radiating element in two symmetric radiation oscillators, i.e.,
Oscillator arms 1a and 2a, 2a are symmetrical with 1b.The open circuit extended from frame-type inner structural wall to center is added in oscillator arms hollow-out part
Detail is equipped with open circuit detail 5a, 5b, 5c, 5d as respectively corresponded in oscillator arms 1a, 2a, 1b, 2b.It shakes in the same symmetric radiation
In two oscillator walls of son, the one end for detail of opening a way is connected as one with two opposite sides of oscillator arms, other end direction two
The direction that a oscillator arms are away from each other extends.Such as shown in Fig. 1, a diagonal line and symmetric radiation of the oscillator arms 1a and 1b of rectangle
The center line overlap of oscillator, along the center line of symmetric radiation oscillator, the angle at oscillator arms 1a and 1b towards the center of rectangle is opposite to be set
It sets, is away from each other towards the angle in outside.Open circuit detail 5a and 5c are separately positioned in the hollow-out part of oscillator arms 1a and 1b, open circuit branch
Section in symmetric radiation oscillator center one end and oscillator arms integrally connected, the other end along symmetric radiation oscillator center line outwardly
Extend.
Open circuit detail 5a and 5c are one group, and 5b, 5d are one group, two groups of equally orthogonal thereto arrangements.A pair of of oscillator arms composition
The open-circuit detail added in symmetric radiation oscillator forms a mode of resonance, increases a resonance for radiating element more
Point, has expanded the bandwidth of radiating element, and relative bandwidth can achieve 61%.
The frequency for changing the adjustable resonance point of shape, length of open circuit detail, realizes required bandwidth direction.According to need
It wants, open circuit detail can be set to the forms such as triangle, rectangle, trapezoidal.In the embodiment shown in the figures, it opens a way detail
Width is gradually reduced from oscillator arms frame-type inner structural wall to its elongated end.Such as triangle, triangle are set by open circuit detail
The direction that is away from each other towards two oscillator arms of an apex angle, the bottom edge opposite with the apex angle is connect with oscillator arms.Triangle is opened
The apex angle of road detail may be set to be the form of non-wedge angle, is truncated into bald face in its top end, is formed and be similar to trapezoidal knot
Structure.
Balanced-to-unblanced transformer 3 forms support column and is connected with two couples of oscillator arms 1a, 1b, 2a, 2b, in structure, plays
The effect of entire radiated electromagnetic wave part is propped up, height is about 1/4 operation wavelength.It is to be made of short circuit in principle, it can
The uneven feed of coaxial line is converted to balanced feeding, the symmetry of directional diagram ensure that.
Fig. 3 is the embodiment using the communication antenna of the radiating element comprising reflecting plate 7 and is arranged in array anti-
Penetrate the radiating element 8 on plate 7.Spacing on reflecting plate 7 between adjacent radiation unit 8 is 0.8 times of operation wavelength.Its frequency
Range is 1427MHz ~ 2690MHz, covers two kinds of moulds of TDD, FDD in 3G network TD-SCDMA, WCDM frequency range and 4G network
Formula frequency range.The edge of reflecting plate 7 has two layers of boundary lath 9, can promote front and back and compare performance.
Claims (10)
1. a kind of dual polarization broadband radiating element of communication antenna, the support column formed including balanced-unbalanced converter (3)
With two symmetric radiation oscillators being arranged on the support column (1,2), each symmetric radiation oscillator is by two symmetrical oscillator arms
Composition, two orthogonal thereto arrangements of symmetric radiation oscillator (1,2), and oscillator arms adjacent in two symmetric radiation oscillators (1,2) it
Between have coupling gap (6), it is characterised in that: the oscillator arms be hollow out frame-type structure, be equipped in its hollow-out part
One open circuit detail extended from frame-type inner structural wall to center, in two oscillator walls of the same symmetric radiation oscillator, institute
The one end for the open circuit detail stated is connected as one with two opposite sides of oscillator arms, and the other end is away from each other towards two oscillator arms
Direction extend.
2. a kind of dual polarization broadband radiating element of communication antenna as described in claim 1, it is characterised in that: described two
A symmetric radiation oscillator is fed respectively by two feed tabs (4) that are orthogonal thereto and placing up and down.
3. a kind of dual polarization broadband radiating element of communication antenna as described in claim 1, it is characterised in that: two symmetrical
Adjacent oscillator arms are symmetrical relative to the central axis plane of radiating element in radiating doublet.
4. a kind of dual polarization broadband radiating element of communication antenna as described in claim 1, it is characterised in that: two symmetrical
Maximum in radiating doublet between adjacent oscillator arms is spaced about 2/5 operation wavelength.
5. a kind of dual polarization broadband radiating element of communication antenna as described in claim 1, it is characterised in that: balance-is no
The height for the support column that equilibrium conversion device (3) is formed is 1/4 operation wavelength.
6. a kind of dual polarization broadband radiating element of communication antenna as described in claim 1, it is characterised in that: described opens
Road detail is triangle, rectangle or trapezoidal.
7. a kind of dual polarization broadband radiating element of communication antenna as claimed in claim 6, it is characterised in that: the open circuit
The width of detail is gradually reduced from oscillator arms frame-type inner structural wall to its elongated end.
8. the communication antenna that one kind has the described in any item radiating elements of claim 1-7, it is characterised in that: including reflection
Plate (7) and the radiating element (8) being arranged in array on reflecting plate (7).
9. communication antenna as claimed in claim 8, it is characterised in that: on reflecting plate (7) between adjacent radiation unit (8) between
Away from for 0.8 times of operation wavelength.
10. communication antenna as claimed in claim 8, it is characterised in that: the edge of the reflecting plate (7) has two layers of boundary plates
Item (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064141.2A CN109687114A (en) | 2019-01-23 | 2019-01-23 | A kind of communication antenna and its dual polarization broadband radiating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064141.2A CN109687114A (en) | 2019-01-23 | 2019-01-23 | A kind of communication antenna and its dual polarization broadband radiating element |
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| Publication Number | Publication Date |
|---|---|
| CN109687114A true CN109687114A (en) | 2019-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910064141.2A Pending CN109687114A (en) | 2019-01-23 | 2019-01-23 | A kind of communication antenna and its dual polarization broadband radiating element |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380196A (en) * | 2019-07-30 | 2019-10-25 | 广东通宇通讯股份有限公司 | A kind of Wideband dual-polarization radiating unit and antenna |
| CN110661076A (en) * | 2019-08-22 | 2020-01-07 | 中国通信建设集团设计院有限公司 | Dual-polarized radiation unit and antenna for 5G communication |
| WO2021000180A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Wifi antenna and wireless communication device |
| CN117317576A (en) * | 2023-11-29 | 2023-12-29 | 福建福大北斗通信科技有限公司 | Broadband four-arm helical antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201946738U (en) * | 2010-12-03 | 2011-08-24 | 广东通宇通讯股份有限公司 | Broad band dual-polarization antenna unit |
| CN209448009U (en) * | 2019-01-23 | 2019-09-27 | 广东通宇通讯股份有限公司 | A kind of communication antenna and its dual polarization broadband radiating element |
-
2019
- 2019-01-23 CN CN201910064141.2A patent/CN109687114A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201946738U (en) * | 2010-12-03 | 2011-08-24 | 广东通宇通讯股份有限公司 | Broad band dual-polarization antenna unit |
| CN209448009U (en) * | 2019-01-23 | 2019-09-27 | 广东通宇通讯股份有限公司 | A kind of communication antenna and its dual polarization broadband radiating element |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000180A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Wifi antenna and wireless communication device |
| CN110380196A (en) * | 2019-07-30 | 2019-10-25 | 广东通宇通讯股份有限公司 | A kind of Wideband dual-polarization radiating unit and antenna |
| CN110661076A (en) * | 2019-08-22 | 2020-01-07 | 中国通信建设集团设计院有限公司 | Dual-polarized radiation unit and antenna for 5G communication |
| CN117317576A (en) * | 2023-11-29 | 2023-12-29 | 福建福大北斗通信科技有限公司 | Broadband four-arm helical antenna |
| CN117317576B (en) * | 2023-11-29 | 2024-02-06 | 福建福大北斗通信科技有限公司 | Broadband four-arm helical antenna |
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