CN209029535U - Millimeter wave antenna array element, aerial array, communication device - Google Patents
Millimeter wave antenna array element, aerial array, communication device Download PDFInfo
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- CN209029535U CN209029535U CN201821926954.5U CN201821926954U CN209029535U CN 209029535 U CN209029535 U CN 209029535U CN 201821926954 U CN201821926954 U CN 201821926954U CN 209029535 U CN209029535 U CN 209029535U
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- millimeter wave
- antenna array
- filter
- wave antenna
- array element
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Abstract
It the utility model discloses a kind of millimeter wave antenna array element, is vertically arranged including two panels and orthogonal sheet radiating element between each other, is respectively used to radiation vertical polarization directions signal and horizontal polarization directions signal；The sheet radiating element by lower part substrate integration wave-guide (Substrate Integrated Waveguide, abbreviation SIW) filter and top gradual change fin line antenna composition, and the substrate integral wave guide filter of lower part and the gradual change fin line antenna duplexer on top are the same as a piece of medium substrate.The invention also discloses a kind of millimeter wave antenna arrays and a kind of millimetre-wave attenuator device.The utility model in vertical direction becomes one radiation component and filter, has the advantages that compact-sized, it is often more important that can guarantee that the phase and amplitude of each transmitted signal of array element in aerial array is almost the same.
Description
Technical field
The utility model relates to technical field of micro communication more particularly to a kind of millimeter wave antenna array elements.
Background technique
The communication of 5G millimeter wave frequency band is the communication technology of current forefront, is the communications field most important research side in the recent period
To.Major communication common carrier in the world all carries out the research work of related fields.The 5G millimeter-wave communication system of current each company
MIMO and phased-array technique are all used, wherein most is all the array antenna using 8*8 16*16 radiating element,
Specifically include the forms such as Waveguide slot array antenna battle array, patch array antenna array.Some schemes use two-dimensional scanning scheme, have
One-dimensional scanning scheme is used a bit.
No matter any form is used, it is necessary to inhibit local oscillator radiation, meet international wireless electric radiation standard, can be only achieved
The requirement of business application.For that purpose it is necessary to integrate the filter for inhibiting local oscillator radiation between bay and transceiver.
For the scheme only with a transceiver, integrated filter relatively convenient, it is only necessary to install one before transceiver
Filter, but this scheme is used, entire communication system is similar to inactive phased array system, and performance is necessarily limited
System.Another scheme is the corresponding transceiver of each bay, and two-dimensional scanning not only may be implemented using the program, but also
It can be realized multi-beam, communication capacity greatly enhances；But the program is used, between each bay and transceiver
Two filters (because using dual-polarization scheme) will be integrated.And due to the two-dimensional scanning for needing wide-angle, by phased array day
The fundamental formular of structuring the formation of lineIt is found that the spacing very little between antenna element and unit is (with currently used
For 28GHz system, it is desirable that azimuth direction scans ± 60 °, and pitch orientation scans ± 15 °, each unit occupied area is only
Have about 7.5mm*5mm), two filters are integrated inside so small space, on the one hand the size of filter are required non-
It is often harsh, on the other hand also require all bays after integrated filter, the phase and amplitude of transmitted signal will protect
It demonstrate,proves almost the same.This is the critical bottleneck technology for realizing such 5G technology at present, it is difficult to ensure that the consistency in each path, is arrived
So far, good solution is not found still.
Utility model content
The technical problem to be solved by the utility model is to overcome the shortage of prior art, a kind of millimeter wave antenna battle array is provided
Member in vertical direction becomes one radiating element and filter, have it is compact-sized, the advantages of occupying little space, more
It is important that can guarantee that the phase and amplitude of each transmitted signal of array element in aerial array is almost the same.
The utility model specifically uses following technical scheme to solve above-mentioned technical problem:
A kind of millimeter wave antenna array element, is vertically arranged and orthogonal sheet radiating element between each other including two panels, respectively
For radiating vertical polarization directions signal and horizontal polarization directions signal；The sheet radiating element integrates wave by the substrate of lower part
The gradual change fin line antenna for leading (Substrate Integrated Waveguide, abbreviation SIW) filter and top forms, and under
The substrate integral wave guide filter in portion and the gradual change fin line antenna duplexer on top are the same as a piece of medium substrate.
Preferably, the SIW filter is with split-ring resonator (Split Ring Resonator, abbreviation
SRR) the SRR-SIW filter of structure, or for complementary openings metal resonant ring (Complementary Split Ring
Resonator, abbreviation CSRR) structure CSRR-SIW filter.
Preferably, the gradual change fin line antenna is that fin line feeds gradual change fin line antenna.
Further, the millimeter wave antenna array element further includes the fixation machine for fixing the two panels sheet radiating element
Structure.
Following technical scheme can also be obtained according to identical utility model thinking:
A kind of millimeter wave antenna array is made of one group of identical bay, and the bay is any of the above
Millimeter wave antenna array element described in technical solution.
A kind of millimetre-wave attenuator device is corresponded including aerial array and with the bay in the aerial array
One group of transceiver of connection, the aerial array are above-mentioned millimeter wave antenna array.
Compared with prior art, the utility model has the following beneficial effects:
The utility model in vertical direction becomes one radiating element and filter, can effectively ensure that aerial array
In each transmitted signal of array element phase and amplitude it is almost the same.
The utility model is become one SIW filter and gradual change fin line antenna by way of common media substrate,
It is simple with structure, the advantages of manufacturing process is simple, and cost is relatively low.
Accurate two-dimensional scanning had not only may be implemented in the utility model, but also can be realized multi-beam, solved 5G microwave communication
Critical bottleneck problem in technology, is of great significance for the functionization of the 5G communication technology.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of the utility model millimeter wave antenna array in specific embodiment；
Fig. 2 is the structural schematic diagram of single millimeter wave antenna array element；
Fig. 3 is the assembly structure diagram of single millimeter wave antenna array element；
Fig. 4 is the echo response curve of single millimeter wave antenna array element；
It is marked in figure comprising the following drawings:
1, SIW filter input end mouth, 2, gradual change fin line antenna, 3, fixed mechanism.
Specific embodiment
It is difficult to meet size requirement simultaneously for the aerial array in existing 5G millimetre-wave attenuator technology and each array element is passed
The defeated consistent requirement of signal phase, thought of the utility model based on Vertical collection propose a kind of millimeter wave antenna array element, are hanging down
Histogram becomes one SIW filter and gradual change fin line antenna upwardly through the mode of common media substrate, with structure
It is compact, the advantages of occupying little space, it is often more important that can guarantee the phase and width of each transmitted signal of array element in aerial array
It spends almost the same.
Substrate integration wave-guide is a kind of new microwave transmission line form, and wave is realized on dielectric substrate using metal throuth hole
The field communication mode led, the advantages of having taken into account conventional waveguide and microstrip transmission line, is, it can be achieved that high performance microwave millimeter-wave planar
Circuit.A kind of filter construction that SIW filter as develops on this basis, usually by intermediate medium substrate and medium
Metal layer on substrate tow sides forms, and a series of metallization VIA battle arrays of connection two metal layers are provided on medium substrate
Column.Due to having the characteristics that radiation loss is low, noiseproof feature is strong, integrated level is high and low-cost, SIW filter is more next to obtain
It is more widely applied, and proposes many improvement projects on its basis, such as with split-ring resonator (Split
Ring Resonator, abbreviation SRR) structure SRR-SIW filter, or have complementary openings metal resonant ring
The CSRR-SIW filter of (Complementary Split Ring Resonator, abbreviation CSRR) structure.
Specifically, the millimeter wave antenna array element that the utility model is proposed, including two panels is vertically arranged and between each other
Orthogonal sheet radiating element is respectively used to radiation vertical polarization directions signal and horizontal polarization directions signal；The sheet spoke
Unit is penetrated to be made of the SIW filter of lower part and the gradual change fin line antenna on top, and the substrate integral wave guide filter of lower part and
The gradual change fin line antenna duplexer on top is the same as a piece of medium substrate.
The SIW filter can be various types of SIW filters that are existing or will having, preferably humorous with open metal
The SRR-SIW filter of ring (Split Ring Resonator, abbreviation SRR) structure of shaking, or have complementary openings metal resonance
The CSRR-SIW filter of ring (Complementary Split Ring Resonator, abbreviation CSRR) structure.
Various types that are existing or will having can be used in the gradual change fin line antenna, it is preferred to use fin line feeds gradual change fin line day
Line.
Further, the millimeter wave antenna array element further includes the fixation machine for fixing the two panels sheet radiating element
Structure.
In 5G millimeter-wave communication system, millimeter wave antenna array is constructed using above-mentioned bay, and be each antenna
Array element configures a transceiver, accurate two-dimensional scanning can be realized, and can be realized multi-beam.
For the ease of public understanding, below by a specific embodiment and carry out the technology to the utility model in conjunction with attached drawing
Scheme is described in detail:
FIG. 1 to FIG. 3 shows a kind of specific structure of the utility model millimeter wave antenna array.As shown in Figure 1, the millimeter
The aerial array that wave antenna array is 8 × 8, is made of 64 identical bays altogether.
The structure of individual antenna array element is as shown in Figure 2 and Figure 3 comprising two panels is vertically arranged and piece orthogonal between each other
The fixed mechanism 3 of shape radiating element and a square frame-shaped, two panels sheet radiating element are respectively used to radiation vertical polarization directions letter
Number and horizontal polarization directions signal, fixed mechanism 3 on the one hand can play the fixed effect of support to two panels sheet radiating element, one
Aspect additionally can provide reflecting surface with the accurate positionin of each array element in auxiliary antenna array for radiating element.
As shown in Figure 2 and Figure 3, single sheet radiating element is the SIW filtering of the gradual change fin line antenna 2 and lower part by top
The entirety that device is constituted, the two are shared with a piece of medium substrate.As shown in figure 3, the medium substrate is divided into upper and lower two
Section, the tow sides of lower section medium substrate are attached with one layer of metal layer respectively, and two metal layers are by being arranged in lower section medium base
Metallization VIA array on plate realizes electrical connection, and lower section medium substrate is constituted together with metal layer and metallization VIA array
Basic SIW filter, 1 in figure is the input port of SIW filter, which is 50 ohm microstrips, can directly be passed through
The form and PCB plane circuit integration of card slot.SRR structure or CSRR knot can also be further arranged in the surface of lower section medium substrate
Structure, to constitute so-called SRR-SIW filter or CSRR-SIW filter.Upper section medium substrate tow sides are equally attached with one
Layer metal layer, metal layer forms gradual change fin line structure, to constitute gradual change fin line antenna 2 together with upper section medium substrate.Due to
SIW filter and gradual change fin line antenna are the prior art, for the sake of saving space, herein no longer to its structure, principle, preparation
The technical details such as technique are repeated.
Fig. 4 gives the echo response curve of individual antenna array element, by response curve it is found that in the band for needing to radiate,
Echo very little, and be then total reflection in stopband, therefore there is good filter effect.
In summary, in the utility model very good solution millimeter-wave communication system radiation component and filter it is integrated
Problem.Due to using Vertical collection, it is ensured that often signal transmission path all the way is all completely the same, so as to effective
The consistency for meeting phase and amplitude between each array element signals.
Claims (6)
1. a kind of millimeter wave antenna array element, which is characterized in that be vertically arranged including two panels and sheet orthogonal between each other radiates
Unit is respectively used to radiation vertical polarization directions signal and horizontal polarization directions signal；The sheet radiating element is by lower part
Substrate integration wave-guide SIW filter and the gradual change fin line antenna on top composition, and the substrate integral wave guide filter of lower part and upper
The gradual change fin line antenna duplexer in portion is the same as a piece of medium substrate.
2. millimeter wave antenna array element as described in claim 1, which is characterized in that the SIW filter is humorous with open metal
The SRR-SIW filter for ring SRR structure of shaking, or to be filtered with the CSRR-SIW of complementary openings metal resonant ring CSRR structure
Device.
3. millimeter wave antenna array element as described in claim 1, which is characterized in that the gradual change fin line antenna is that fin line feeds gradual change
Fin line antenna.
4. such as any one of claim 1 ~ 3 millimeter wave antenna array element, which is characterized in that the millimeter wave antenna array element further includes
For fixing the fixed mechanism of the two panels sheet radiating element.
5. a kind of millimeter wave antenna array is made of one group of identical bay, which is characterized in that the bay is
Any one of the claim 1 ~ 3 millimeter wave antenna array element.
6. a kind of millimetre-wave attenuator device corresponds company including aerial array and with the bay in the aerial array
The one group of transceiver connect, which is characterized in that the aerial array is millimeter wave antenna array described in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821926954.5U CN209029535U (en) | 2018-11-22 | 2018-11-22 | Millimeter wave antenna array element, aerial array, communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821926954.5U CN209029535U (en) | 2018-11-22 | 2018-11-22 | Millimeter wave antenna array element, aerial array, communication device |
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| Publication Number | Publication Date |
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| CN209029535U true CN209029535U (en) | 2019-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326892A (en) * | 2018-11-22 | 2019-02-12 | 江苏贝孚德通讯科技股份有限公司 | Millimeter wave antenna array element, aerial array, communication device |
-
2018
- 2018-11-22 CN CN201821926954.5U patent/CN209029535U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326892A (en) * | 2018-11-22 | 2019-02-12 | 江苏贝孚德通讯科技股份有限公司 | Millimeter wave antenna array element, aerial array, communication device |
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