CN106374226A - Double-frequency array antenna used for 5G (the fifth generation) wireless communication - Google Patents
Double-frequency array antenna used for 5G (the fifth generation) wireless communication Download PDFInfo
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- CN106374226A CN106374226A CN201610875334.2A CN201610875334A CN106374226A CN 106374226 A CN106374226 A CN 106374226A CN 201610875334 A CN201610875334 A CN 201610875334A CN 106374226 A CN106374226 A CN 106374226A
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- 238000004891 communication Methods 0.000 title claims abstract description 30
- 239000000178 monomer Substances 0.000 claims abstract description 31
- 230000005855 radiation Effects 0.000 claims abstract description 21
- 239000007787 solid Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 2
- 230000005404 monopole Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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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
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- 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
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention provides a double-frequency array antenna used for 5G (the fifth generation) wireless communication. An antenna monomer of the double-frequency array antenna comprises a first antenna radiating body and a second antenna radiating body which are arranged on the surface of a stereoscopic antenna carrier; the first antenna radiating body is a monopole antenna; the second antenna radiating body is around the first antenna radiating body, and is in ground connection with a PCB to form an annular antenna. The monopole antenna formed by the first antenna radiating body is used for direct feeding so as to generate resonance in a frequency range of about 36 to 40 GHz; the second antenna radiating body forming the annular antenna is coupled to the first antenna radiating body so as to generate another resonance in the frequency range of about 36 to 40 GHz, so that the antenna has double resonance. According to the array antenna disclosed by the invention, two 5G frequency bands of 37 GHz and 39 GHz defined by an FCC can be perfectly contained in the operation bandwidth of the array antenna; and meanwhile, the array antenna also has the characteristics of high radiation efficiency, high gain, good directionality, high stability and the like.
Description
Technical field
The present invention relates to antenna communication field, particularly relate to the dual-frequency array antenna for the 5th generation radio communication.
Background technology
In modern communication field, from the first Generation Mobile Communication System 2g to forth generation mobile communication system 4g lte, mainly
Solve is interpersonal communication, but the 5th generation (5g) mobile communication system, namely 5g, outside solving person to person
Communication between people and thing, thing and thing, that is, realize the hope of all things on earth interconnection.The transfer rate of 5g by be more than the Radix Achyranthis Bidentatae of 4g and
The equipment supporting magnanimity connects, and then all things on earth interconnection is possibly realized, and can realize the automatic Pilot of automobile, the void of 3d simultaneously
Intend reality, tele-medicine etc..Can foretell, the 5th Generation Mobile Communication System will be of new generation mobile logical towards after the year two thousand twenty
Letter system.
The enforcement of 5g will be convenient for the application making mobile terminal device on mobile terminals, more handy, more
Plus miniaturization is diversified, function is more powerful.The key that the technology of 5g can be obtained good application on a handheld device is
How to design the antenna array system that can be suitably used for 5g communication.
On July 15th, 2016, FCC (fcc) defined the millimeter wave frequency band for 5g: except
Outside the frequency range of 28ghz (27.5-28.35ghz), further comprises the 37ghz (37- that overall work frequency range is 37-40ghz
38.6ghz) with this two frequency ranges of 39ghz (38.6-40ghz).
Present low-frequency spectra resource is very crowded, is difficult to meet the demand of following 5g communication, therefore, develops millimeter wave
Become inevitable as 5g frequency range.Millimeter wave for 5g has the spies such as abundant, the good, strong antijamming capability of directionality of frequency spectrum resource
Point.The antenna of millimeter-wave communication system front end is particularly important, and the performance such as the gain of antenna, bandwidth, efficiency directly decides
The quality of system.It is understood that 5g antenna must be aerial array, constitute this aerial array feeding network form have as follows
Several: series, parallel, and series-parallel combination.In the past, the design of 5g aerial array focuses mostly in the 28ghz of narrower bandwidth
Frequency range on, and the requirement of the 5g millimeter wave frequency band of latest definition cannot be met, therefore, it is necessary to provide one kind can be applied to
The double frequency 5g antenna array system of 37ghz and 39ghz.
Content of the invention
The technical problem to be solved is: provides a kind of dual-frequency array antenna of the 5th generation radio communication, is suitable for
In 37ghz and 39ghz, there is the features such as roomy, gain of band and efficiency high, good directionality.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
For the dual-frequency array antenna of the 5th generation radio communication, the antenna monomer of described dual-frequency array antenna includes being arranged on
The first antenna radiant body of three-dimensional antenna carrier surface and the second antenna radiator；
Described first antenna radiant body is a unipole antenna；Described second antenna radiator is one around described first antenna
Radiant body is arranged, and the loop aerial being connected with the ground of pcb plate.
The beneficial effects of the present invention is: be different from prior art 5g aerial array only support 28ghz frequency range it is impossible to
Meet the deficiency that other 5g millimeter wave frequency bands require.The present invention by the antenna monomer in array of designs antenna comprise two special
Antenna radiator structure, each radiant body produce a separate resonance, make antenna have double resonance, can wrap simultaneously
Containing two frequency ranges of 37ghz and 39ghz, thus extending the working frequency range of 5g antenna, preferably meet the requirement of 5g millimeter wave frequency band.
Specifically, the unipole antenna direct feed being made up of first antenna radiant body, produces frequency for about 36-40ghz scope
Individual resonance point；Coupled with first antenna radiant body by the second antenna radiator constituting loop aerial, producing another frequency is
The resonance that another resonance point about 36-40ghz scope, the first radiant body and the second radiant body each produce can pass through chi
Very little adjustment is realized exchanging and is adjusted, so that antenna obtains two frequency ranges of 37ghz and 39ghz simultaneously.Antenna by said structure
The array antenna that monomer is constituted, two 5g frequency ranges of 37ghz and 39ghz that fcc can be defined by its bandwidth of operation are ideally wrapped
In being contained in；Simultaneously moreover it is possible to there is high radiation efficiency and high-gain, the features such as band is roomy, good directionality, stability are strong.
Brief description
Fig. 1 is the structural representation of inventive antenna monomer；
Fig. 2 is the attachment structure schematic diagram of inventive antenna monomer and pcb plate；
Fig. 3 is the overall structure diagram of dual-frequency array antenna of the present invention；
Fig. 4 is the return loss plot of inventive antenna monomer；
Fig. 5 is the return loss plot of inventive antenna array；
Fig. 6 is the gain curve figure of inventive antenna array；
Fig. 7 be inventive antenna array in frequency the three-dimensional radiation directional diagram for 40ghz；
Fig. 8 be inventive antenna array in frequency the two-dimensional radiation directional diagram for 37ghz；
Fig. 9 be inventive antenna array in frequency the two-dimensional radiation directional diagram for 38.5ghz；
Figure 10 be inventive antenna array in frequency the two-dimensional radiation directional diagram for 40ghz；
Label declaration:
1st, antenna monomer；2nd, feeding network；3rd, t font network node；4th, three-dimensional antenna carrier；
5th, first antenna radiant body；6th, the second antenna radiator；7th, pcb plate；
8th, pcb substrate；9th, pcb floor；10th, via；11st, the first pad；12nd, the second pad；
13rd, the 3rd pad；14th, the 4th pad；15th, the 5th pad；16th, the 6th pad；
17th, distributing point；18th, crest line；19th, array-fed point.
Specific embodiment
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is: the radiator structure of antenna monomer includes a monopole antenna and around single-stage
Antenna and with pcb plate be connected after constitute loop aerial, each radiant body produce a separate resonance, make antenna
There is double resonance, meet the band requirement of the 37ghz and 39ghz 5g millimeter wave of fcc latest definition.
Explanation of technical terms according to the present invention:
Refer to Fig. 1, the present invention provides a kind of dual-frequency array antenna for the 5th generation radio communication, described dual frequency array
The antenna monomer of antenna includes first antenna radiant body and the second antenna radiator being arranged on three-dimensional antenna carrier surface；
Described first antenna radiant body is a unipole antenna；Described second antenna radiator is one around described first antenna
Radiant body is arranged, and the loop aerial being connected with the ground of pcb plate.
Knowable to foregoing description, the beneficial effects of the present invention is: the antenna monomer of the present invention is by first antenna radiant body
Constitute the unipole antenna direct feed that operating frequency is 1/4 wavelength, produce the resonance that frequency is about 36-40ghz scope
Point；By by first antenna radiant body, around wherein, and the second antenna radiator composition operating frequency being connected with the ground of pcb plate is
The loop aerial of 1 wavelength, equally can produce another resonance point that frequency is about 36-40ghz scope；By adjusting the
The length of one antenna radiator and the second antenna radiator so that the resonant frequency that first antenna radiant body produces be more than or
The resonant frequency producing less than the second antenna radiator, so that antenna comprises 37ghz and 39ghz of fcc latest definition simultaneously
Two 5g frequency ranges；And have that size is little, carry roomy, gain and efficiency high, and the feature of good directionality stable performance.
Further, the via that described second antenna radiator passes through on described pcb plate is connected with the ground of pcb plate.
Seen from the above description, the second antenna radiator on three-dimensional antenna carrier surface itself can not constitute complete ring
Shape loop, just forms complete annular and returns after the two-end-point of the second antenna radiator is connected to ground by the via on pcb plate
Road, thus constituting the loop aerial that operating frequency is 1 wavelength, and produces the resonance that frequency is about 36-40ghz scope
Point.
Refer to Fig. 2, further, connected by pad between described three-dimensional antenna carrier and described pcb plate；Described weldering
Disk is connected with the two-end-point of the described second radiation body antenna, and described pad is provided with described via.
Seen from the above description, pad connected mode can not only improve the connection between three-dimensional antenna carrier and pcb plate
Steadiness, and simple type is installed；And the second radiation body antenna can also be facilitated to be connected with the ground of pcb.
Further, the two-end-point of corresponding described second antenna radiator in the bottom surface of described three-dimensional antenna carrier is respectively provided with
There are the first pad and the second pad；Corresponding described first pad of the upper surface of described pcb plate and the second pad are respectively arranged with the
Three pads and the 4th pad；Described two-end-point is connected respectively described first pad and the second pad, described first pad and
Second pad is connected respectively the 3rd pad and the 4th pad.
Seen from the above description, pass through the welding of four pads between carrier and pcb plate upper surface, ensure that carrier even
Connect firmly, difficult for drop-off；It is also convenient for the installation of carrier simultaneously；It is connected with also ensure that the second radiant body and pcb plate further
Steadiness.
Further, the distributing point of the corresponding described first antenna radiant body in the bottom surface of described three-dimensional antenna carrier be provided with
Its 5th pad connecting；Corresponding described 5th pad of the upper surface of described pcb plate is provided with connected 6th pad.
Seen from the above description, the setting of the 5th pad can not only ensure that the feed of first antenna radiant body connects surely
Gu；And stable connection that can also further between lifting carrier and pcb plate.
Further, described three-dimensional antenna carrier is the three-dimensional pottery of rectangle；Described second antenna radiator is along described rectangle
The crest line setting of three-dimensional pottery.
Seen from the above description, three-dimensional antenna carrier is rectangle, not only has good stability；And facilitate radiant body
Arrangement setting.Second antenna radiator is designed as the crest line cabling along carrier, not only facilitates and produce, difficult for drop-off；And energy
Enough effectively prevent between radiant body overlapping it is ensured that radiant body has good service behaviour；Simultaneously also more attractive in appearance.
Size due to antenna radiator (antenna monomer) is determined by the dielectric constant of antenna carrier, the dielectric constant of carrier
Bigger, wavelength is shorter and then overall dimensions that can reduce antenna.The carrier of the present invention is ceramic material, more satisfactory due to having
Dielectric constant, so our single-stage (monopole) antennas of 1/4 required wavelength and the annular of a wavelength
(loop) size of antenna also will diminish, thus realizing reducing of antenna monomer overall dimensions, and then it is whole to realize array antenna
Reducing of body size, can preferably be applied to miniature communication apparatus.
Further, described first antenna radiant body is arranged on the one side of the three-dimensional pottery of described rectangle；Described second day
The distribution of beta radiation body is arranged on described one side, the upper surface of the three-dimensional pottery of rectangle and the side adjacent with described one side.
Seen from the above description, the setting that walks of first antenna radiant body and the second antenna radiator can not only ensure two
Person forms required resonance point；And it is difficult for drop-off.
Refer to Fig. 3, further, also include feeding network, plural described antenna monomer and described transmission network
Network connects；The distance between each antenna monomer is between 1/2 to 1 wavelength of operating frequency of described dual-frequency array antenna.
Further, described feeding network is mutually cascaded by 2n-1 power divider and constitutes；Described antenna monomer
Number is 2n；Described n is positive integer.
Further, described feeding network comprises 2n-1 t font network node, at each described t font network node
Comprise the impedance transducer of 1/4 wavelength of center operating frequency of a relatively described dual-frequency array antenna.
Seen from the above description although other forms can also be taken, the feeding network of such as series connection or connection in series-parallel mixing etc.,
Parallel microstripline feed network is used in present example.Heretofore described dual-frequency array antenna can overcome
5g frequency is very high, is lost big in atmosphere, and the short problem of transmission range, it is ensured that transmission range reaches standard, increases the increasing of antenna
Benefit, thus reach the requirement of long-distance transmissions communication.
Embodiment one
Refer to Fig. 1, Fig. 3 and Fig. 5, the present embodiment provides a kind of dual-frequency array antenna for the 5th generation radio communication,
The big bandwidth of two frequency ranges of 37ghz and 39ghz can be comprised simultaneously, there is gain simultaneously and radiation efficiency is high, good directionality etc.
Advantage, can provide the millimeter wave antenna array system of following 5g communication for mobile device.
Described dual-frequency array antenna includes multiple antenna monomers 1 and feeding network 2, described antenna monomer 1 and described feedback
Electric network 2 connects.Each described antenna monomer 1 includes three-dimensional antenna carrier 4 and pcb plate 7；The surface of three-dimensional antenna carrier 4 is enclosed
Around being provided with first antenna radiant body 5 and the second antenna radiator 6, produce different resonance points respectively, realize double frequency feature.Often
Individual resonance point is produced by different antenna branch, specific:
One pole (monopole) antenna that described first antenna radiant body 5 is 1/4 wavelength for an operating frequency, its distributing point
It is connected with the upper surface of pcb plate 7, be 36-40ghz model by directly first antenna radiant body is carried out with feed forming antenna frequencies
Enclose a resonance point of left and right, that is, first antenna radiant body 5 itself is whole as an antenna branch, produces this resonance point.
Described second antenna radiator 6 constitutes loop checking installation by being connected its two-end-point with the ground of pcb plate 7, annular
The operating frequency in loop is a wavelength；Described first antenna radiant body 5 around wherein, is obtained by the second antenna radiator 6
Coupled relation, thus the second antenna radiator 6 is by forming antenna frequencies for 36-40ghz with coupling of first antenna radiant body 5
Another resonance point about scope.
Preferably, described first antenna radiant body 5 and the second antenna radiator 6 can form frequency respectively by the adjustment of size
Rate be 39ghz about and 36ghz about two resonance points, certainly, also can be interchangeable by size adjusting and adjust.
The antenna monomer 1 being formed by said structure, from the return loss plot of Fig. 4 antenna monomer, the battle array being made up of it
Array antenna has double frequency feature, and the working frequency range of antenna has been extended to 37ghz and 39ghz, can be good at being applied to future
5g antenna is the communication of millimeter wave frequency band.
It should be noted that the feeding network 2 in the present embodiment can be series, parallel or the shape of connection in series-parallel composition
Formula；It can be feeding network based on microstrip line or in the form of substrate integrated waveguide type.
Refer to Fig. 3 it is preferred that above-mentioned feeding network 2 adopts parallel microstripline feed network, by 2n-1 power
Allotter mutually cascades composition, comprises 2n-1 t font network node 3, comprises one relatively at each t font network node 3
The impedance transducer of 1/4 wavelength of operating frequency of antenna, other microstrip line characteristic impedances all can be set to 50 ohm.Above-mentioned antenna list
The number of body 1 is 2n, and the distance between each antenna monomer 1 is between 1/2 to 1 wavelength of center of antenna operating frequency.
Referring to Fig. 5, the feed for having the return loss plot of the dual-frequency array antenna of 8 antenna monomers 1, in the present embodiment
The return loss of network 2, about -28db, meets the requirement of aerial array well；Each antenna monomer 1 of this aerial array
The distance between for about 0.65 wavelength.
Embodiment two
Refer to Fig. 2, the present embodiment, on the basis of embodiment one, is further opened up to the structure of dual-band single antenna
Exhibition.
Specifically, the two of corresponding described second antenna radiator 6 in the bottom surface of the three-dimensional antenna carrier 4 of described antenna monomer 1
End points is respectively arranged with the first pad 11 and the second pad 12.Described pcb plate 7 includes pcb substrate 8 and pcb floor 9；In pcb plate
Corresponding described first pad 11 of 7 upper surface (pcb substrate 8) and the second pad 12 are respectively arranged with the 3rd pad 13 and the 4th weldering
Disk 14, they are connected with pcb floor 9 by via 10；Two end points of the second antenna radiator 6 are connected respectively described
One pad 11 and the second pad 12, described first pad 11 and the second pad 12 are connected respectively the 3rd pad 13 and the 4th weldering
Disk 14.
Pass through four pads between three-dimensional antenna carrier 4 and pcb plate 7 to ensure firmly to be connected；Meanwhile, the second antenna radiator
6 can also be connected with the ground of pcb plate 7, thus forming loop checking installation by pad.Specifically, the 3rd pad 13 He on pcb plate 7
Be provided with 4th pad 14 with the via 10 that communicates, the quantity of preferred via 10 is two or more；Second aerial radiation
The two-end-point of body 6 can be connected with the ground of pcb plate by pad, constitutes a loop aerial.
Further, the distributing point 17 of the corresponding described first antenna radiant body 5 in the bottom surface of three-dimensional antenna carrier 4 be provided with
Its 5th pad 15 connecting, corresponding described 5th pad 15 of upper surface of described pcb plate 7 is provided with connected 6th weldering
Disk 16, directly carries out to first antenna radiant body 5 feeding the second resonance obtaining antenna by array-fed point 19.
Preferably, described first pad 11, the second pad 12, the 3rd pad 13, the 4th pad 14, the 5th pad 15 and
6th pad 16 is strip.
In the present embodiment, the setting of pad can not only ensure the stable connection of carrier and pcb plate 7；And can also be the
Two antenna radiators 6 are connected offer passage with pcb plate 7 ground, and first antenna radiant body 5 is directly fed.
Embodiment three
The present embodiment, on the basis of embodiment one and embodiment two, is further opened up to the structure of dual-band single antenna
Exhibition.
Specifically, described three-dimensional antenna carrier 4 can be rectangle stereochemical structure (cube structure or rectangular structure),
Can be as cylindrical column stereochemical structure；Its material can be pottery or other there is the material of good dielectric constant.
In the present embodiment, described three-dimensional antenna carrier 4 is the three-dimensional pottery of rectangle.
Due to antenna radiator size by antenna carrier dielectric constant εrDetermine, the dielectric constant of carrier is bigger, ripple
Length is shorter.In the present embodiment, due to using dielectric constant εr=8.0 ceramic material, its dielectric constant is larger, therefore antenna spoke
The size of beam just can reduce, and the size of antenna monomer also will reduce, and the overall dimensions of acquired array antenna also will reduce,
Microminiature equipment can be preferably applied to.
Preferably, the length, width and height of the three-dimensional pottery of described rectangle are respectively 0.9mm, 0.75mm and 0.9mm, but are not limited to
This, by the suitable size adjusting radiant body, can change the dielectric constant of carrier come the double-frequency resonance needed for obtaining, such as using not
Ceramic material with dielectric constant is easily adjusted.
It should be noted that above-mentioned rectangle solid pottery directly can carry out smt welding by pad and pcb plate, not only
Guarantee is connected firmly, and installs simple.Be different from the antenna form of existing paster (patch), will patch be produced on many
So that Antenna Design lacks motility on layer pcb plate, when the antenna of Design Theory does not conform to the actual conditions, (this situation often goes out
Existing, because the environment around antenna all cannot be taken into account during Design Theory) it has to whole pcb is done with making again,
And our SMD ceramic antennas avoid the need for pcb plate is done with making again, only rectangle solid pottery is carried out suitably in itself
Modification.Additionally, area on the surface of pcb plate for the pasted sheet type antenna or size will be far longer than the solid in the present invention
The size of antenna, the therefore aerial array based on pasted sheet type antenna will occupy bigger area on pcb plate.Due to handheld device
Limited space, therefore the three-dimensional antenna of the present invention is than the application being more suitable in the handheld device based on SMD antenna.
Further, the arrangement setting of the upper first antenna radiant body 5 of the three-dimensional pottery of rectangle and the second antenna radiator 6 is permissible
It is:
First antenna radiant body 5 as unipole antenna is vertically arranged in the side of the three-dimensional pottery of rectangle, its feed end with
Pcb plate 7 connects, and the other end of hanging setting may be located in described side according to required frequency range, it is vertical to extend to rectangle
Body pottery upper surface or extend to the another side relative with described side.In the present embodiment, first antenna radiant body
5 centre positions being vertically arranged in rectangle three-dimensional pottery one side, its free end and feed end are respectively positioned in described side.
Second antenna radiator 6 is arranged along the crest line 18 of the three-dimensional pottery of described rectangle, by first antenna radiant body 5 around it
In.Preferably, the side that one end of the second antenna radiator 6 is located by first antenna radiant body 5 upwardly extends along its crest line 18
To upper surface, three sides around upper surface extend to summit, take advantage of a situation by common with described side on the adjacent surface of above-mentioned side
Same crest line extends downward and pcb plate；Described second antenna radiator 6 distribution is arranged on described one side, the three-dimensional pottery of rectangle
The upper surface of porcelain and the side adjacent with described one side, constitute a convex shape.
The first antenna radiant body 5 of said structure of setting and the second aerial radiation on the three-dimensional pottery of the rectangle of above-mentioned size
Body 6, can produce, by first antenna radiant body 5, first resonance point that frequency is 39.544ghz；By the second aerial radiation
Body 6 produces another resonance point that frequency is 36.005ghz, so that array antenna obtains two frequencies of 37ghz and 39ghz simultaneously
Section.It should be noted that the resonance point that the radiant body of the present embodiment each obtains is only a specific embodiment, first antenna radiates
The resonance that body 5 and the second antenna radiator 6 each produce can be realized exchanging by size adjusting and adjust.
Understand referring to Fig. 4, the array antenna of the present embodiment can comprise two frequency ranges of 37ghz and 39ghz (namely
37ghz-40ghz).Fig. 6 is the maximum gain curve of aerial array, and the gain of aerial array in the range of 37-40ghz is more than
12.9db；Increase with the antenna monomer number being comprised of aerial array is increased by the gain of antenna.Fig. 7 exists for frequency
During 40ghz, the three-dimensional radiation directional diagram of aerial array is it can be seen that this antenna array system has good radiation directivity, and
Maximum is distributed in whole yz plane that is to say, that this antenna system may serve to connect in any one angle of yz plane
Receive and transmitting 5g signal, this feature is suitable for the application of handheld device just, namely 5g signal both can be in the side of screen
Can be received at the back side of equipment.Additionally, this aerial array has higher radiation efficiency, in working frequency range internal antenna battle array
The radiation efficiency of row is all more than -1.0db.Fig. 8-10 is respectively two dimension in 37ghz, 38.5ghz and 40ghz frequency for the frequency
From above-mentioned in figure, antenna pattern, can be seen that this aerial array all has more consistent directivity on each Frequency point.
Additionally, this aerial array extends also to other 5g working frequency range, such as 28ghz or 60ghz etc..
In sum, provided by the present invention for the dual-frequency array antenna of the 5th generation radio communication, not only there is double resonance,
The big bandwidth frequency range of 37ghz and 39ghz two can be comprised；And there is gain and efficiency high, and the feature of good directionality；Enter
One step, the installation and pcb plate between is simple and firm；Further, the carrier of ceramic material makes antenna have volume
Little feature.Additionally, proposed by the present invention aerial array based on three-dimensional antenna unit the same with other antenna array design
Can also be controlled by adding phase regulator to reach the beam direction to aerial array in feeding network, and then realize
The beam shaping of aerial array and beam scanning.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
The equivalents that bright description and accompanying drawing content are made, or directly or indirectly it is used in the technical field of correlation, all include in the same manner
In the scope of patent protection of the present invention.
Claims (10)
1. be used for the 5th generation radio communication dual-frequency array antenna it is characterised in that: the antenna monomer of described dual-frequency array antenna
Including the first antenna radiant body being arranged on three-dimensional antenna carrier surface and the second antenna radiator；
Described first antenna radiant body is a unipole antenna；Described second antenna radiator is one around the radiation of described first antenna
Body is arranged, and the loop aerial being connected with the ground of pcb plate.
2. be used for as claimed in claim 1 the dual-frequency array antenna of the 5th generation radio communication it is characterised in that: described second day
The via that beta radiation body passes through on described pcb plate is connected with the ground of pcb plate.
3. be used for as claimed in claim 2 the dual-frequency array antenna of the 5th generation radio communication it is characterised in that: described solid sky
Connected by pad between line carrier and described pcb plate；Described pad is connected with the two-end-point of the described second radiation body antenna, institute
State and described via is provided with pad.
4. be used for as claimed in claim 1 the dual-frequency array antenna of the 5th generation radio communication it is characterised in that: described solid sky
The two-end-point of corresponding described second antenna radiator in the bottom surface of line carrier is respectively arranged with the first pad and the second pad；Described
Corresponding described first pad of the upper surface of pcb plate and the second pad are respectively arranged with the 3rd pad and the 4th pad；Described two ends
Point is connected respectively described first pad and the second pad, and described first pad and the second pad are connected respectively the 3rd weldering
Disk and the 4th pad.
5. be used for as claimed in claim 1 the dual-frequency array antenna of the 5th generation radio communication it is characterised in that: described solid sky
The distributing point of the corresponding described first antenna radiant body in the bottom surface of line carrier is provided with connected 5th pad；Described pcb plate
Corresponding described 5th pad of upper surface be provided with connected 6th pad.
6. be used for as claimed in claim 1 the dual-frequency array antenna of the 5th generation radio communication it is characterised in that: described solid sky
Line carrier is the three-dimensional pottery of rectangle；Described second antenna radiator is along the crest line setting of the three-dimensional pottery of described rectangle.
7. be used for as claimed in claim 6 the dual-frequency array antenna of the 5th generation radio communication it is characterised in that: described first day
Beta radiation body is arranged on the one side of the three-dimensional pottery of described rectangle；Described second antenna radiator distribution is arranged on described side
Face, the upper surface of the three-dimensional pottery of rectangle and the side adjacent with described one side.
8. the dual-frequency array antenna for the 5th generation radio communication as described in claim 1-7 any one it is characterised in that:
Also include feeding network, plural described antenna monomer is connected with described feeding network；Between each antenna monomer away from
Between 1/2 to 1 wavelength of the operating frequency for described dual-frequency array antenna.
9. be used for as claimed in claim 8 the dual-frequency array antenna of the 5th generation radio communication it is characterised in that: described transmission network
Network is mutually cascaded by 2n-1 power divider and constitutes；The number of described antenna monomer is 2n；Described n is positive integer.
10. be used for as claimed in claim 9 the dual-frequency array antenna of the 5th generation radio communication it is characterised in that: described feed
Network comprises 2n-1 t font network node, comprises a relatively described dual frequency array sky at each described t font network node
The impedance transducer of 1/4 wavelength of center operating frequency of line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875334.2A CN106374226B (en) | 2016-09-30 | 2016-09-30 | Dual-frequency array antenna for fifth-generation wireless communication |
| PCT/CN2016/113404 WO2018058840A1 (en) | 2016-09-30 | 2016-12-30 | Dual-band array antenna for fifth generation wireless communications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875334.2A CN106374226B (en) | 2016-09-30 | 2016-09-30 | Dual-frequency array antenna for fifth-generation wireless communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106374226A true CN106374226A (en) | 2017-02-01 |
| CN106374226B CN106374226B (en) | 2024-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610875334.2A Active CN106374226B (en) | 2016-09-30 | 2016-09-30 | Dual-frequency array antenna for fifth-generation wireless communication |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106374226B (en) |
| WO (1) | WO2018058840A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018058840A1 (en) | 2018-04-05 |
| CN106374226B (en) | 2024-04-16 |
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