CN109713439A - A kind of omnidirectional's domestic aerial based on 5G communication - Google Patents
A kind of omnidirectional's domestic aerial based on 5G communication Download PDFInfo
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- CN109713439A CN109713439A CN201811621616.5A CN201811621616A CN109713439A CN 109713439 A CN109713439 A CN 109713439A CN 201811621616 A CN201811621616 A CN 201811621616A CN 109713439 A CN109713439 A CN 109713439A
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- radiator
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- domestic aerial
- coaxial cable
- omnidirectional
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Abstract
It include: the radiator (5,6) with bow-tie antenna structure the invention discloses a kind of omnidirectional's domestic aerial based on 5G communication, one of them is perpendicular to another；Parasitic antenna (7) is along ± 45 ° of diagonal arrangements;And cavity body structure (10) made of metal.In order to ensure covering communication service extensively, and optimizing the structure of high speed data transfer and multiband communication environment, antenna is by coaxial cable (1,2), parasitic antenna and cavity body structure made of metal are constituted, to meet the structure of high speed data transfer and multiband communication environment.In addition, antenna has the high isolation rate (S21 > 31dB) and low-cross polarization higher than 31dB in working frequency range, it can be used for mobile communication omnidirectional domestic aerial or the indoor base station antenna with high isolation rate and low-cross polarization.
Description
Technical field
The present invention relates to mobile communication fields, and in particular to a kind of omnidirectional's domestic aerial based on 5G communication.
Background technique
Mobile communication profoundly changes people's lives, but people to the pursuit of higher performance mobile communication never
Stop.Mobile communication technology will welcome for the purpose of realizing high-speed transfer and all things on earth interconnection by the development in 4 generation of front
Five generations (namely 5G).Present low-frequency spectra resource is very crowded, is difficult meet the needs of following 5G communication, therefore, 5G skill
Art will be carried out in millimeter wave frequency band, because of the broader bandwidth of millimeter wave.But millimeter wave is since wavelength is short, almost in straightline propagation,
Big decaying can be generated in air, this makes its propagation distance short.So needing when carrying out 5G arrangement of base stations in all directions
The electromagnetic wave for having more transmitting base stations to issue to prevent single base station is blocked by the body and influences to communicate.
The working frequency range of future mobile will be extended to millimeter wave, and current mostly be used in mobile communication
There are directional transmissions etc. in the antenna of two dimensional form.Cubical array antenna is mostly design in microwave band, if being applied to
In mobile communication, there are problems that transmission efficiency is low for high-power radiation problem, antenna processing technology challenge and antenna.
Summary of the invention
For the shortcoming in above-mentioned existing method of discrimination, the invention discloses in a kind of omnidirectional room based on 5G communication
Antenna includes: radiator (5,6), has bow-tie antenna structure, one of them is perpendicular to another；Parasitic antenna (7) edge ±
45 ° of diagonal arrangements;And cavity body structure (10) made of metal.In order to ensure covering communication service extensively, and it is excellent
Change the structure of high speed data transfer and multiband communication environment, antenna parasitic antenna and is made of metal by coaxial cable (1,2)
Cavity constitute, to meet the structure of high speed data transfer and multiband communication environment.In addition, antenna has in working frequency range
There are the high isolation rate (S21 > 31dB) and low-cross polarization higher than 31dB, can be used for mobile communication omnidirectional domestic aerial or have
The indoor base station antenna of high isolation rate and low-cross polarization.
It is a kind of based on 5G communication omnidirectional's domestic aerial include: the antenna radiator (5,6) with butterfly junction structure, coaxially
Cable (1,2,3,4), parasitic antenna (7), dielectric base plate (8), cavity body structure (10), the ground connection (11) of domestic aerial, conductor
(15), tie point (14), tie point (16), conductor (17).
Further, the antenna assembly (12) of the cavity configuration of parasitic antenna and metal composition.
It further, include radiator (5) and radiator (6) in omnidirectional's domestic aerial, radiator (5,6) has each other
Vertically form and be located at the shape of two bow-tie antenna structures on the top surface of dielectric base plate, radiator (5,6) point
It is not connected to coaxial cable (1,2,3,4).
Further, in the radiator (5,6) of the bow-tie antenna structure, feed section passes through coaxial cable to antenna
Radiator power supply, coaxial cable (1,3) is connected to the radiator (5) of domestic aerial, by coaxial cable to the spoke of domestic aerial
Emitter (5) power supply, coaxial cable (2,4) is connected to the radiator (6) of domestic aerial, by coaxial cable to the radiator of antenna
(6) it powers.
Further, parasitism is formed with the diagonal of +/- 45 degree of differential seat angle on the coaxial cable upper part
Element (7), dielectric base plate (8) are printed with the bowknot structural radiation device (5,6) of antenna and the knot of parasitic antenna (7) thereon
Structure.
Further, the distance between bottom (13) of dielectric base plate (8) and antenna radiator is 1-2mm.
Further, ensure the characteristic of domestic aerial using four parasitic antennas (7) in the parasitic antenna, it is bowed to post
Raw element (7) are arranged in the end of the cavity body structure (10) of lower position and the lower end of dielectric base plate (8), relative to coaxial electrical
Cable 1 is arranged with ± 45 degree of diagonal, and (S21 > 31dB) is higher than 31dB in working band.
Further, in a kind of cavity body structure (10), for ensuring to be mounted on the room on preceding tetrahedron and rear tetrahedron
The isolation of internal antenna;It is formed in the ground connection (11) of the domestic aerial of bottom.
Further, pass through made of metal using four parasitic antennas in the characteristic of the domestic aerial bowknot radiator structure
At cavity body structure (10), ensure the isolation (S21 > 31dB) higher than 31dB in the working band of antenna indoors.
Further, in the tie point (14) of the top radiator of the domestic aerial radiator (5) and coaxial cable (1)
Conductor (15), for connecting the lower end radiator of the radiator (5) of domestic aerial and the outer conductor of coaxial cable (1);Indoor day
The tie point (16) of the right radiator of the radiator (6) of line and the conductor of coaxial cable (2);And conductor (17) is used for junction chamber
The left radiator of the coaxial cable (2) of the radiator (6) of internal antenna and the conductor of coaxial cable (2).
In the described indoor base station for mobile communication omnidirectional domestic aerial or with high isolation rate and low-cross polarization
Antenna has extensive coverage area, for providing 5G communication service, in order to optimize data in 1.710-2.690MHz frequency band
Transmission and multiband communication environment, using the cavity configuration and domestic aerial being made of parasitic antenna and metal, in 1.71-2.69
Meet VSWR < 2 in the broadband of GHz with 31dB for mobile communication omnidirectional domestic aerial and indoor base station antenna, meets more
High isolation (S21 > 31dB) and low-cross polarization.
Detailed description of the invention
Fig. 1 is the structure chart of omnidirectional's domestic aerial.
Fig. 2 is the side view of the structure of omnidirectional's domestic aerial and indoor base station antenna.
Fig. 3 is the plan view of the structure of omnidirectional's domestic aerial and indoor base station antenna.
The shell and omnidirectional's domestic aerial structure shown in Fig. 1-3 that Fig. 4 is the cavity configuration of parasitic antenna and metal composition.
Fig. 5 is the curve graph of reflection loss of the different types of antenna in situation 1,2 and 3.
Fig. 6 is the curve graph of isolation of the different types of antenna in situation 1,2 and 3.
Fig. 7 is the plan view and its size of omnidirectional's domestic aerial structure, unit mm.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Embodiment 1
As shown in Figure 1, the radiator (5,6) of bow-tie antenna structure, feed section passes through radiator of the coaxial cable to antenna
Power supply, coaxial cable (1,3) is connected to the radiator (5) of domestic aerial, by coaxial cable to the radiator of domestic aerial
(5) it powers, coaxial cable (2,4) is connected to the radiator (6) of domestic aerial, by coaxial cable to the radiator (6) of antenna
Power supply.Radiator (5,6) has two bow-tie antennas on the top surface perpendicular to one another for being formed and being located at dielectric base plate
The shape of structure, radiator (5,6) are connected respectively to coaxial cable (1,2,3,4).With +/- 45 on coaxial cable upper part
The diagonal of the differential seat angle of degree forms parasitic antenna (7), and dielectric base plate (8) is printed with the butterfly junction of antenna thereon
The structure of structure radiator (5,6) and parasitic antenna (7).Cavity body structure (10) is for ensuring to be mounted on preceding tetrahedron and rear tetrahedron
On domestic aerial isolation, be formed in the ground connection (11) of the domestic aerial of bottom.
The characteristic of domestic aerial bowknot radiator structure: four parasitic antenna cavity body structures made of metal are used
(10), ensure the isolation (S21 > 31dB) higher than 31dB in the working band of antenna indoors.Radiator (5,6) has that
This is vertically formed and the shape of two bow-tie antenna structures on the top surface of dielectric base plate, and (5,6) connect respectively
It is connected to coaxial cable (1,2,3,4).Parasitic antenna ensures the characteristic of domestic aerial using four parasitic antennas (7), bowed
Parasitic antenna (7) is arranged in the end of the cavity body structure (10) of lower position and the lower end of dielectric base plate (8), relative to coaxial
Cable 1 is arranged with ± 45 degree of diagonal, and (S21 > 31dB) is higher than 31dB in working band.
For mobile communication omnidirectional domestic aerial or the indoor base station antenna with high isolation rate and low-cross polarization,
There is in 1.710-2.690MHz frequency band extensive coverage area, for providing 5G communication service, in order to optimize data transmission and
Multiband communication environment, using the cavity body structure and domestic aerial being made of parasitic antenna and metal, 1.71-2.69 GHz's
Meet VSWR < 2 in broadband with 31dB for mobile communication omnidirectional domestic aerial and indoor base station antenna, meet it is higher every
From degree (S21 > 31dB) and low-cross polarization.
Embodiment 2
As shown in Fig. 2, in the X direction, the distance between bottom (13) of dielectric base plate (8) and antenna radiator is 1.2mm,
The length of dielectric base plate (8) is 60mm, and the length of cavity body structure (10) is 100mm, and the width of cavity body structure (10) is 40mm.
Embodiment 3
As shown in figure 3, the tie point (14) of the top radiator of domestic aerial radiator (5) and the conductor of coaxial cable (1)
(15), for connecting the lower end radiator of the radiator (5) of domestic aerial and the outer conductor of coaxial cable (1);Domestic aerial
The tie point (16) of the right radiator of radiator (6) and the conductor of coaxial cable (2);And conductor (17) is for day in junction chamber
The left radiator of the coaxial cable (2) of the radiator (6) of line and the conductor of coaxial cable (2).
Embodiment 4
As shown in figure 4, the cavity configuration of antenna radiator and the metal composition of butterfly junction structure, there are four types of types by parasitic antenna
(1,2,3 and 4).Class1 includes coaxial cable 1 and 2, ground connection, the structural body of the antenna radiator of butterfly junction structure.Type 2 is wrapped
Coaxial cable 1 and 2 is included, is grounded, the antenna radiator of butterfly junction structure and four parasitic antennas.Type 3 includes cavity knot
Structure, coaxial cable 1 and 2, ground connection, the structural body of the antenna radiator of butterfly junction structure.Type 4 includes cavity body structure, coaxial electrical
Cable 1 and 2, the antenna radiator of butterfly junction structure and four parasitic antennas.
Embodiment 5
As shown in figure 5, being the curve graph of the reflection loss of more different types of antenna, different types of antenna is in situation 1-3
In reflection loss curve graph.The case where Class1 is the antenna radiator of butterfly junction structure.Type 2 is parasitic antenna and butterfly
The case where antenna radiator of butterfly junction structure.Type 3 is the feelings of the shell of cavity body structure and the antenna radiator of butterfly junction structure
Condition.Type 4 is the domestic aerial.
In Class1, the formation at right angles to each other of broadband character antenna structure is ensured by the radiator of two bowknots, but
It is insufficient for desired frequency range.On the other hand, apply chamber made of metal in the case where bowknot structural antenna radiator
Structure ensures frequency more broader than first structure by resonance.
Radiator in the domestic aerial structure, parasitic antenna and cavity configuration made of metal use simultaneously, can
To integrate operated service, the configuration achieves by the way that existing frequency is applied to domestic aerial, structure 10 is by made of metal
At it is two antenna structures vertically formed.
The length effective wavelength of parasitic antenna is 2.5GHz.Therefore, there are four parasitic antenna (7) in diagonal for design
On appropriate position, the length of parasitic antenna is ± 45 ° of upper ends for arriving coaxial cable (1,2), bowknot radiator (5,6)
In the lower surface of the fixed point (9) of dielectric base plate (8), work the characteristic that can be obtained as impedance matching element.
Embodiment 6
As shown in fig. 6, be to compare the isolation curve graph with different type antenna in Class1,2 and 3 and the interior
The isolation figure of antenna.In addition parasitic antenna is applied in the isolation (1,2) of Class1 and type 2, show that isolation is reduced with frequency
Rate increases in high band (2.3-2.69 GHz).Isolation is better than Class1 and type 2 using the type 3 of metal cavity configuration, still
Isolated antennas (dB of S21 > 30), effectively to operate antenna system, it is unsatisfactory for owning.Radiator, parasitic antenna and by
Cavity configuration made of metal uses simultaneously, can satisfy all high-isolations.
Maximum element may insure the cavity of high degree of isolation electricity wall.When antenna with the work of higher order mode, is handed over
Fork polarization increases suddenly and the rapid corruptions of isolation due to above, between antenna.But using being made of metal
Cavity body structure, may be implemented that cross polarization high frequency band (2.3-2.69 GHz) is minimized and isolation is very high in characteristic
Meet antenna > 31dB.
Embodiment 7
As shown in fig. 7, its size of the plan view of omnidirectional's domestic aerial structure of 5G communication is with (mm) for unit.In omnidirectional room
In antenna structure plan view, 100 mm in width of raw basin and length difference.The bowknot structural radiation device of antenna in the figure
There is the width of 1mm and the length of 5.5mm in vertical direction by the outer conductor that lead is connected to coaxial cable.The butterfly of antenna
It is 1 millimeter that butterfly junction structure radiator, which passes through transverse width by the outer conductor cable that lead is connected to coaxial cable, and length is 6 millis
The conductor direction of rice.
5G communication omnidirectional's domestic aerial meets VSWR < 2 in frequency, uses the cavity knot being made of parasitic antenna and metal
The frequency band of the 1.71-2.69GHz of structure, and meet day in high degree of isolation (S21 > 31dB) omnidirectional room in operating frequency range
Line, while a large amount of wireless communication bring high speed data transfer being also provided, omnidirectional's domestic aerial spatially can freely make
With, in addition, when be difficult to ensure electric isolution therebetween apart from when omnidirectional domestic aerial can improve performance reducing in antenna size,
The performance between isolation between antennas is improved by using cavity body structure made of metal, by with identical planform
Two bowknot radiators, size can maximize.It, can be in addition, when according to frequency band operation where mobile communication system
The size for adjusting structure of the invention and position are with the frequency band of adaptive expectation.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel it should be appreciated that without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.Obviously, described embodiment is only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of omnidirectional's domestic aerial based on 5G communication, which is characterized in that including the antenna radiator with butterfly junction structure
(5,6), coaxial cable (1,2,3,4), parasitic antenna (7), dielectric base plate (8), fixed point (9), cavity body structure (10), room
The ground connection (11) of internal antenna, conductor (15), tie point (14), tie point (16), conductor (17).
2. a kind of omnidirectional's domestic aerial based on 5G communication according to claim 1, which is characterized in that in the omnidirectional room
Antenna includes radiator (5) and radiator (6), and radiator (5,6) has perpendicular to one another formed and positioned at dielectric base plate
The shape of two bow-tie antenna structures on top surface.
3. a kind of omnidirectional's domestic aerial based on 5G communication according to claim 1, which is characterized in that radiator (5,6)
It is connected respectively to coaxial cable (1,2,3,4)；The antenna assembly (12) of the cavity configuration of parasitic antenna and metal composition.
4. a kind of omnidirectional's domestic aerial based on 5G communication according to claim 3, which is characterized in that the bowknot day
The radiator (5,6) of cable architecture, feed section are powered by coaxial cable to the radiator of antenna.
5. a kind of omnidirectional's domestic aerial based on 5G communication according to claim 3, which is characterized in that parasitic antenna and gold
Belong to the antenna assembly (12) of the cavity configuration of composition, coaxial cable (1,3) is connected to the radiator (5) of domestic aerial, by coaxial
Cable is powered to the radiator (5) of domestic aerial, and coaxial cable (2,4) is connected to the radiator (6) of domestic aerial, by coaxial
Cable is powered to the radiator (6) of antenna.
6. a kind of omnidirectional's domestic aerial based on 5G communication according to claim 1, which is characterized in that the coaxial cable
Parasitic antenna (7) are formed with the diagonal of +/- 45 degree of differential seat angle on upper part, dielectric base plate (8) prints thereon
There are the bowknot structural radiation device (5,6) of antenna and the structure of parasitic antenna (7);The parasitic antenna uses four spurious elements
Part (7) ensures the characteristic of domestic aerial, and bowed parasitic antenna (7) is arranged in the end of the cavity body structure (10) of lower position
With the lower end of dielectric base plate (8), arranged relative to coaxial cable 1 with ± 45 degree of diagonal, (S21 > 31dB) is in work
Make to be higher than 31dB in frequency band；The distance between bottom (13) of dielectric base plate (8) and antenna radiator is 1-2mm.
7. a kind of omnidirectional's domestic aerial based on 5G communication according to claim 1, which is characterized in that a kind of cavity body structure
(10), for ensuring to be mounted on the isolation of the domestic aerial on preceding tetrahedron and rear tetrahedron.
8. a kind of omnidirectional's domestic aerial based on 5G communication according to claim 7, which is characterized in that be formed in bottom
The ground connection (11) of domestic aerial.
9. a kind of omnidirectional's domestic aerial based on 5G communication according to claim 1, which is characterized in that the domestic aerial
The characteristic of bowknot radiator structure uses four parasitic antenna cavity body structures made of metal (10), indoors antenna
Ensure the isolation (S21 > 31dB) higher than 31dB in working band.
10. a kind of omnidirectional's domestic aerial based on 5G communication according to claim 1, which is characterized in that the interior day
The tie point (14) of the top radiator of beta radiation device (5) and the conductor (15) of coaxial cable (1), for connecting domestic aerial
The lower end radiator of radiator (5) and the outer conductor of coaxial cable (1);The company of the right radiator of the radiator (6) of domestic aerial
The conductor of contact (16) and coaxial cable (2);And conductor (17) is used to connect the coaxial cable of the radiator (6) of domestic aerial
(2) conductor of left radiator and coaxial cable (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621616.5A CN109713439A (en) | 2018-12-28 | 2018-12-28 | A kind of omnidirectional's domestic aerial based on 5G communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621616.5A CN109713439A (en) | 2018-12-28 | 2018-12-28 | A kind of omnidirectional's domestic aerial based on 5G communication |
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| CN109713439A true CN109713439A (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811621616.5A Pending CN109713439A (en) | 2018-12-28 | 2018-12-28 | A kind of omnidirectional's domestic aerial based on 5G communication |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6028563A (en) * | 1997-07-03 | 2000-02-22 | Alcatel | Dual polarized cross bow tie dipole antenna having integrated airline feed |
| CN201584489U (en) * | 2009-12-21 | 2010-09-15 | 摩比天线技术（深圳）有限公司 | Double-frequency dual-polarization antenna oscillator |
| CN104471792A (en) * | 2013-06-27 | 2015-03-25 | 华为技术有限公司 | Antenna radiation unit and antenna |
| CN107104272A (en) * | 2017-04-25 | 2017-08-29 | 南京航空航天大学 | Wideband dual polarized electromagnetic dipole antenna |
-
2018
- 2018-12-28 CN CN201811621616.5A patent/CN109713439A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6028563A (en) * | 1997-07-03 | 2000-02-22 | Alcatel | Dual polarized cross bow tie dipole antenna having integrated airline feed |
| CN201584489U (en) * | 2009-12-21 | 2010-09-15 | 摩比天线技术（深圳）有限公司 | Double-frequency dual-polarization antenna oscillator |
| CN104471792A (en) * | 2013-06-27 | 2015-03-25 | 华为技术有限公司 | Antenna radiation unit and antenna |
| CN107104272A (en) * | 2017-04-25 | 2017-08-29 | 南京航空航天大学 | Wideband dual polarized electromagnetic dipole antenna |
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