CN109103592A - A kind of dual-polarization radiating unit and the array antenna with the dual-polarization radiating unit - Google Patents
A kind of dual-polarization radiating unit and the array antenna with the dual-polarization radiating unit Download PDFInfo
- Publication number
- CN109103592A CN109103592A CN201810996797.3A CN201810996797A CN109103592A CN 109103592 A CN109103592 A CN 109103592A CN 201810996797 A CN201810996797 A CN 201810996797A CN 109103592 A CN109103592 A CN 109103592A
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- Prior art keywords
- dual
- radiating unit
- polarization radiating
- pcb substrate
- 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
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
-
- 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
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of dual-polarization radiating unit and with the array antenna of the dual-polarization radiating unit, mainly solving the technical problems that in the prior art between array the problem of mutual coupling, the present invention passes through a kind of dual-polarization radiating unit, including radiation appliance, the radiation appliance includes the symmetrically arranged a period of time arm of right-angled intersection being arranged in the first PCB substrate, a period of time arm is connect with decoupling circuit using straight feedback mode or coupled modes, the effective length of the decoupling circuit is the technical solution of 0.02~0.1 wavelength, preferably solves the problems, such as this, it can be used for array antenna.
Description
Technical field
The present invention relates to a kind of dual-polarization radiating unit and with the array antenna of the dual-polarization radiating unit.
Background technique
With the development of mobile Internet and Internet of Things, the network rate of 4G mobile communication system, network capacity, terminal connect
It connects quantity and time delay of eating dishes without rice or wine is no longer satisfied the demand of market and technological evolvement, need that bandwidth is wider, rate is higher, function future
The 5G mobile communication technology lower, time delay is shorter is consumed, antenna for base station will be faced with huge challenge, and traditional base station antenna cannot
Meets the needs of 5G system.
As the extensive antenna technology of one of 5G key technology, can be good at solving the deficiency in 4G technical foundation
Place, by arranging the aerial array of tens a antenna scales up to a hundred in base station end, rather than just several antennas, radiation signal
To target user.In 5G mobile communication system, it is desirable that the radiating element size as antenna core component is small, and has accurate
Size；And under the premise of 5G high band, the way of realization of conventional radiation unit it is difficult to ensure that size it is accurate, error is big,
And biggish error is often the fatal place of this high band antenna.In order to guarantee accurately size, the present invention abandons to adopt in the past
With the antenna radiation unit of die casting form, but it is whole use micro-strip form, strengthen the precision of antenna production, structure letter
Single, production difficulty substantially reduces, and is conducive to the integrated of large scale array antenna.
Large scale array antenna in actual work, what the coupling between array element was constantly present, it can produce the performance of antenna
Raw very detrimental effect, so that the antenna radiation unit conventionally designed is unable to satisfy the needs of reality.In reality
In the array antenna system on border, each antenna element is opening circuit, acts on phase by electromagnetic coupling between each unit
It mutually influences, when special when array element spacing is smaller, coupling is with regard to very important.The mutual coupling effect of antenna directly influences
The change of the electrical parameter of antenna performance, if current distribution changes, input impedance changes, radiation pattern distortion, main beam
Offset etc..In the present invention, in order to solve the mutual coupling between array, innovative design is gone on designed dual-polarization radiating unit
Coupling circuit, improves polarization isolation, and antenna is made to have reached optimal design effect.
Summary of the invention
The technical problem to be solved by the present invention is to a kind of new pair the problem of mutual coupling, is proposed between array in the prior art
Ultra-wideband antenna and array antenna with the dual-polarization radiating unit, which has effectively solve array between mutual coupling, mention
The characteristics of high polarization isolation.
In order to solve the above-mentioned technical problem, The technical solution adopted by the invention is as follows: a kind of dual-polarization radiating unit, including
Radiation appliance, the radiation appliance include the symmetrically arranged a period of time arm of right-angled intersection being arranged in the first PCB substrate, the battle array
Sub- arm is connect with decoupling circuit using straight feedback mode or coupled modes, and the effective length of the decoupling circuit is 0.02~0.1
A wavelength.
Further, it is preferable that the coupling spacing between the decoupling circuit and a period of time arm is less than the decoupling electricity
The effective length on road.
Preferably, the radiation appliance is supported on radiating element pedestal by balun feed device, the balun feed
Device one end is connect with the radiation appliance, and the balun feed device other end is connect with the radiating element pedestal.
It is highly preferred that the balun feed device includes two piece of second PCB substrate of right-angled intersection setting, every piece described the
Balun device and feeder equipment are equipped in two PCB substrates.
It is highly preferred that the balun device is the first microstrip line that second PCB substrate side is arranged in, the feed
Device is the second microstrip line that second PCB substrate other side is arranged in.
It is highly preferred that one end of two pieces of second PCB substrates of right-angled intersection setting passes through first PCB substrate simultaneously
Weld together with first PCB substrate, the other end and the spoke of two pieces of second PCB substrates of right-angled intersection setting
Unit base is penetrated to weld together
A kind of array antenna with dual-polarization radiating unit, including multiple dual-polarization radiating units, calibration network,
Multiple first power splitters and metallic reflection plate, multiple dual-polarization radiating units are arranged in the metallic reflection plate, and described the
One power splitter is connect with the feeder equipment, and the calibration network is made of multiple second power splitters and multiple directional couplers,
Second power splitter connects the directional coupler, and the directional coupler is connect with first power splitter.
It is highly preferred that the every level-one function point port connecting with the power splitter is respectively connected with isolation resistance, in afterbody
End is equipped with Chip-R.
It is highly preferred that the total input port of the power splitter is calibration port, the input port of the directional coupler is
The output port of power splitter, the output port of the directional coupler are the input port of antenna radio-frequency signal.
The beneficial effects of the present invention are: the present invention effectively solves mutual coupling between array, improves pole by setting decoupling circuit
Change isolation, is conducive to the integrated of large scale array antenna；The present invention is connected by decoupling circuit with radiation appliance, is compared
Isolator is added between array, is conducive to Integration Design, reduces process complexity, improves the consistency of systematic entirety energy；
The present invention realizes antenna beam figuration by loading different amplitude and phase, convenient for improving system data capacity and frequency spectrum effect
Rate；The present invention has the advantages that dual polarization, miniaturization, high isolation, high-precision, and can satisfy 3300~3800MHz range.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of dual-polarization radiating unit of the present invention；
Fig. 2 is a kind of top view one of dual-polarization radiating unit of the present invention；
Fig. 3 is a kind of top view two of dual-polarization radiating unit of the present invention；
Fig. 4 is a kind of structural schematic diagram of the array antenna with dual-polarization radiating unit of the present invention；
Fig. 5 is a kind of top partial view diagram of the array antenna with dual-polarization radiating unit of the present invention；
Fig. 6 is the front view of calibration network of the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment one:
Referring to Figure 1, present embodiment discloses a kind of dual-polarization radiating unit, the dual-polarization radiating unit 1 includes spoke
Injection device 2, balun feed device 3, radiating element pedestal 53, the radiation appliance 2 are supported on radiation by balun feed device 3
In unit base 53, described 3 one end of balun feed device is connect with the radiation appliance 2,3 other end of balun feed device
It is connect with the radiating element pedestal 53, the radiation appliance 2 is arranged by the balun feed device 3 in the radiating element
On pedestal 53；
The balun feed device 3 includes two piece of second PCB substrate 52 of right-angled intersection setting, every piece of the 2nd PCB
Balun device and feeder equipment are equipped on substrate 52, the balun device is that 52 side of the second PCB substrate is arranged in
First microstrip line, the feeder equipment are the second microstrip line that 52 other side of the second PCB substrate is arranged in, and are filled by feed
It sets and couple feed is carried out to the radiation appliance 2, by 3 balanced feeding device 4 of balun device to the feed of radiation appliance 2, lead to
Crossing balun device 3 becomes Differential Output from single ended input for high-frequency signal, and completes the function of impedance matching；
As shown in Fig. 2, the radiation appliance 2 is symmetrically arranged including the right-angled intersection being arranged in the first PCB substrate 51
A period of time arm 21, each a period of time arm 21 carry out couple feed by feeder equipment, and a period of time arm 21 is with decoupling circuit 22 using straight
Feedback mode connects, and a period of time arm 21 and the decoupling circuit 22 are arranged in the first PCB substrate 51, a period of time arm 21
The corresponding decoupling circuit 22 in each end, four decoupling circuits 22 are tied with respect to 1 center of dual-polarization radiating unit in rotational symmetry
Structure or mirror image, preferably rotational symmetry structure, the decoupling circuit 22 are arranged in the form of microstrip line in the first PCB base
On plate 51, the effective length of the decoupling circuit 22 is 0.02 wavelength, the wavelength be equal to the transmission speed of electromagnetic wave divided by
The transmission speed of frequency, the electromagnetic wave is equal to 3*10^8M/s, the frequency are 3300~3800MHz, and optimized frequency is
3500MHz, the decoupling circuit 22 is L-shaped or "-" type, preferably L shape, the effective length of the decoupling circuit 22 are
The long side of L shape decoupling circuit 22 adds sum of short side, efficiently solves mutual coupling between array, raising by the way that decoupling circuit 22 is arranged
Polarization isolation is conducive to the integrated of large scale array antenna, can realize antenna wave by loading different amplitude and phase
Beam figuration, convenient for improving system data capacity and spectrum efficiency；
Right-angled intersection setting two pieces of second PCB substrates 52 one end pass through first PCB substrate 51 and with institute
It states the first PCB substrate 51 to weld together, two pieces of 52 square crossing of the second PCB substrate settings, the two of right-angled intersection setting
The other end of second PCB substrate 52 described in block welds together with the radiating element pedestal 53.
As shown in Figures 4 and 5, a kind of array antenna with dual-polarization radiating unit, the array antenna 11 include multiple
The dual-polarization radiating unit 1, multiple first power splitters 13 and metallic reflection plate 14, the dual-polarization radiating unit 1 pass through institute
It states radiating element pedestal 53 to be arranged in metallic reflection plate 14, first power splitter 13 is divided by the equal part function of two One In and Two Out
Device composition, multiple dual-polarization radiating units 1 and multiple first power splitters 13 are respectively provided in the metallic reflection plate 14, multiple
The dual-polarization radiating unit 1 and multiple first power splitters 13 are arranged in array manner in the metal expelling plate 14
On, multiple dual-polarization radiating units 1 are arranged in 8*N form, and N is positive integer, preferably 8*8 form, multiple first power splitters
13 are also arranged in corresponding 8*N form, and N is positive integer, preferably 8*8 form, and first power splitter 13 is filled with the feed
4 connections are set, as shown in fig. 6, the array antenna 11 further includes calibration network 12, the calibration network 12 is by multiple second function point
Device 15 and multiple directional couplers 16 form, and the second power splitter 15 is a using (8 × N-1), and N is positive integer, the directional couple
The use of device 16 8 × N number of, N is positive integer, and second power splitter 15 connects the directional coupler 16, the directional coupler
16 connect with first power splitter 15；
The every level-one function point port connecting with second power splitter 15 is respectively connected with isolation resistance, the resistance value of isolation resistance
For 100 Ω, it is equipped with Chip-R in afterbody end, the resistance value of Chip-R is 50 Ω.
The total input port of second power splitter 15 is calibration port, and the input port of the directional coupler 16 is the
The output port of two power splitters 15, the output port of the directional coupler 16 are the input port of antenna radio-frequency signal.
In 3300-3800MHz frequency band, voltage standing wave ratio is less than the two-port voltage standing wave ratio of dual-polarization radiating unit 1
1.4, there is good matching performance, the interport isolation of dual-polarization radiating unit is in 3300-3800MHz frequency band, port isolation
Degree is less than -30dB, there is good isolation effect.
Embodiment two:
As shown in Fig. 2, the effective length of the decoupling circuit 22 in embodiment one is set as 0.035 wavelength, it is described
Wavelength is equal to the transmission speed of electromagnetic wave divided by frequency, and the transmission speed of the electromagnetic wave is equal to 3*10^8M/s, the frequency are
3300~3800MHz, optimized frequency 3500MHz.
Embodiment three:
As shown in figure 3, a period of time arm 21 is connected with decoupling circuit 22 using coupled modes on the basis of example 1
It connecing, and the effective length of the decoupling circuit 22 is set as 0.04 wavelength, the decoupling circuit 22 is preferably provided to " u "-shaped,
The effective length of " u "-shaped decoupling circuit 22 is sum that three sides are added, at the same the decoupling circuit 22 and a period of time arm 21 it
Between coupling spacing be less than the decoupling circuit effective length.
Example IV:
As shown in figure 3, the effective length of the decoupling circuit 22 is set as 0.1 wavelength on the basis of embodiment three.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (9)
1. a kind of dual-polarization radiating unit, it is characterised in that: including radiation appliance, the radiation appliance includes being arranged first
The symmetrically arranged a period of time arm of right-angled intersection in PCB substrate, a period of time arm using straight feedback mode or are coupled with decoupling circuit
Mode connects, and the effective length of the decoupling circuit is 0.02~0.1 wavelength.
2. a kind of dual-polarization radiating unit as described in claim 1, which is characterized in that the decoupling circuit and a period of time arm
Between coupling spacing be less than the decoupling circuit effective length.
3. a kind of dual-polarization radiating unit as described in claim 1, which is characterized in that the radiation appliance passes through balun feed
Device is supported on radiating element pedestal, and balun feed device one end is connect with the radiation appliance, the balun feed
The device other end is connect with the radiating element pedestal.
4. a kind of dual-polarization radiating unit as claimed in claim 3, which is characterized in that the balun feed device includes cross
Two piece of second PCB substrate arranged in a crossed manner is equipped with balun device and feeder equipment in every piece of second PCB substrate.
5. a kind of dual-polarization radiating unit as claimed in claim 4, which is characterized in that the balun device is to be arranged described
First microstrip line of the second PCB substrate side, the feeder equipment are second PCB substrate other side is arranged in second micro-
Band line.
6. a kind of dual-polarization radiating unit as claimed in claim 4, which is characterized in that two pieces of right-angled intersection setting described the
One end of two PCB substrates passes through first PCB substrate and welds together with first PCB substrate, right-angled intersection setting
Two pieces of second PCB substrates the other end together with the radiating element tube chamber welds with base.
7. a kind of array antenna with dual-polarization radiating unit, which is characterized in that including multiple dual-polarization radiating units,
The metallic reflection plate is arranged in calibration network, multiple first power splitters and metallic reflection plate, multiple dual-polarization radiating units
On, first power splitter is connect with the feeder equipment, and the calibration network is by multiple second power splitters and multiple orientation couplings
Clutch composition, second power splitter connect the directional coupler, and the directional coupler is connect with first power splitter.
8. a kind of array antenna with dual-polarization radiating unit as claimed in claim 7, which is characterized in that with the function point
Every level-one function point port of device connection is respectively connected with isolation resistance, is equipped with Chip-R in afterbody end.
9. a kind of array antenna with dual-polarization radiating unit as claimed in claim 7, which is characterized in that the power splitter
Total input port is calibration port, and the input port of the directional coupler is the output port of power splitter, the orientation coupling
The output port of clutch is the input port of antenna radio-frequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996797.3A CN109103592A (en) | 2018-08-29 | 2018-08-29 | A kind of dual-polarization radiating unit and the array antenna with the dual-polarization radiating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996797.3A CN109103592A (en) | 2018-08-29 | 2018-08-29 | A kind of dual-polarization radiating unit and the array antenna with the dual-polarization radiating unit |
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| Publication Number | Publication Date |
|---|---|
| CN109103592A true CN109103592A (en) | 2018-12-28 |
Family
ID=64864167
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810996797.3A Pending CN109103592A (en) | 2018-08-29 | 2018-08-29 | A kind of dual-polarization radiating unit and the array antenna with the dual-polarization radiating unit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323553A (en) * | 2019-04-01 | 2019-10-11 | 深圳三星通信技术研究有限公司 | The radiating element and antenna of antenna |
| CN110504542A (en) * | 2019-08-28 | 2019-11-26 | 重庆大学 | Load the wideband dual polarized high density high-isolation array antenna of compound isolator |
| CN110691474A (en) * | 2019-09-23 | 2020-01-14 | 京信通信技术(广州)有限公司 | Welding method of radiation unit |
| CN111525234A (en) * | 2020-06-02 | 2020-08-11 | Oppo广东移动通信有限公司 | Dual-polarized antenna and customer front-end equipment |
| CN112531323A (en) * | 2019-09-19 | 2021-03-19 | 比亚迪股份有限公司 | Antenna |
| CN114122666A (en) * | 2021-11-18 | 2022-03-01 | 中信科移动通信技术股份有限公司 | Ultra-wideband dual-polarized filtering antenna |
| WO2022088032A1 (en) * | 2020-10-30 | 2022-05-05 | 华为技术有限公司 | Radiating unit, antenna array, and network device |
| US20230055236A1 (en) * | 2021-08-23 | 2023-02-23 | GM Global Technology Operations LLC | Simple ultra wide band very low profile antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110323553A (en) * | 2019-04-01 | 2019-10-11 | 深圳三星通信技术研究有限公司 | The radiating element and antenna of antenna |
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| CN110504542A (en) * | 2019-08-28 | 2019-11-26 | 重庆大学 | Load the wideband dual polarized high density high-isolation array antenna of compound isolator |
| CN112531323A (en) * | 2019-09-19 | 2021-03-19 | 比亚迪股份有限公司 | Antenna |
| CN110691474A (en) * | 2019-09-23 | 2020-01-14 | 京信通信技术(广州)有限公司 | Welding method of radiation unit |
| CN111525234A (en) * | 2020-06-02 | 2020-08-11 | Oppo广东移动通信有限公司 | Dual-polarized antenna and customer front-end equipment |
| WO2021244158A1 (en) * | 2020-06-02 | 2021-12-09 | Oppo广东移动通信有限公司 | Dual-polarized antenna and customer premise equipment |
| WO2022088032A1 (en) * | 2020-10-30 | 2022-05-05 | 华为技术有限公司 | Radiating unit, antenna array, and network device |
| US20230055236A1 (en) * | 2021-08-23 | 2023-02-23 | GM Global Technology Operations LLC | Simple ultra wide band very low profile antenna |
| US11791558B2 (en) * | 2021-08-23 | 2023-10-17 | GM Global Technology Operations LLC | Simple ultra wide band very low profile antenna |
| CN114122666A (en) * | 2021-11-18 | 2022-03-01 | 中信科移动通信技术股份有限公司 | Ultra-wideband dual-polarized filtering antenna |
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