CN209329152U - A kind of electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding - Google Patents
A kind of electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding Download PDFInfo
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- CN209329152U CN209329152U CN201920251534.XU CN201920251534U CN209329152U CN 209329152 U CN209329152 U CN 209329152U CN 201920251534 U CN201920251534 U CN 201920251534U CN 209329152 U CN209329152 U CN 209329152U
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Abstract
The utility model relates to a kind of electric adjustable wide-band orbital angular momentum mode reconfigurable antennas of coding, and the antenna element including four in circular array arrangement, each antenna element includes super surface array unit, driving chip unit and feeding network unit；Super surface array element solder is on upper dielectric substrate, driving chip unit is welded on middle dielectric substrate, ground metal layer is welded on the upper surface of lower dielectric substrate, and feeding network element solder forms transmission network network layers in the lower surface of lower dielectric substrate, four feeding network units.The entire antenna of the utility model is mainly metal layer and plated-through hole technique, and total processing technology is fairly simple and is easily integrated；The antenna has the orbital angular momentum of different mode number, and can pass through programmable unit coding-control between each mode.
Description
Technical field
The utility model relates to antenna technical field, especially a kind of electric adjustable wide-band orbital angular momentum mode of coding can be weighed
Structure antenna.
Background technique
With the fast development of wireless communication technique, the capacity of information exchange increasingly increases sharply, and existing antenna technology is to frequency
Spectrum resource utilization rate is subject to certain restrictions.To meet growing big data information exchange, there is an urgent need to one kind to mention
Rise the antenna technology of power system capacity and spectrum utilization efficiency.Orbital angular momentum antenna technology is because of its spy with unlimited orthogonal modes
Point, as a kind of multiplexing technology gradually hot spot technology by field of communication technology recent studies on.Currently, main mode can
Reconstruct orbital angular momentum antenna is that the mode realized by multiport is restructural, and most of all works in relatively narrow frequency model
It encloses.Realize that the restructural orbital angular momentum antenna of the controllable single-port mode of program coding is the key technical problem of future studies
One of.
Orbital angular momentum is a kind of vortex electromagnetic wave, can carry the orbital angular momentum electromagnetic with different mode number
Beam, have the characteristics that between different modes it is mutually orthogonal, this feature can single work again frequency can transmit it is a variety of
The orbital angular momentum electromagnetism vortex wave beam of mode.Therefore, orbital angular momentum antenna technology can effectively improve spectrum utilization efficiency.
Reconfigurable antenna technology can be improved the multi-functional operating mode of single antenna as one kind, frequency reconfigurable,
The restructural, directional diagram reconstructable etc. that polarizes has been achieved for the accumulation of many relevant technologies.A variety of orbital angular momentum antennas
By the mutual switching between mode, system availability more flexible can be effectively improved, polarization mismatch asks in solution communication
Topic, to improve communication quality.
Currently, single layer PCB technology is highly developed, in the precision that microwave frequency band is processed, there has also been guarantee, simultaneous processings
Antenna product have the characteristics that low section, low quality, low volume, highly integrated, be conducive to the large-scale processing production of antenna,
It is had a very important significance in restructural orbital angular momentum field of antenna.
Utility model content
The purpose of this utility model is to provide it is a kind of can be realized orbital angular momentum it is multi-modal between switch at high speed, have
Imitate the coding electricity adjustable wide-band orbital angular momentum mode reconfigurable antenna of extension frequency bandwidth of operation.
To achieve the above object, the utility model uses following technical scheme: a kind of coding electric adjustable wide-band track angle
Momentum Model reconfigurable antenna, the antenna element including four in circular array arrangement, each antenna element include super surface battle array
Column unit, driving chip unit and feeding network unit；Wherein, super surface array element solder is on upper dielectric substrate, driving
Chip unit is welded on middle dielectric substrate, and ground metal layer is welded on the upper surface of lower dielectric substrate, the weldering of feeding network unit
It connects in the lower surface of lower dielectric substrate, four feeding network units form transmission network network layers；The upper dielectric substrate is located at intermediary
The top of matter substrate, middle dielectric substrate are located at the top of lower dielectric substrate.
The super surface array unit is with certain interval by 4 × 4 square metal patches in two-dimensional directional periodic arrangement
It forms, super surface array unit and ground metal layer form resonant cavity；It is opened up on the upper dielectric substrate for fixed upper medium
The plastic support hole of substrate, middle dielectric substrate and lower dielectric substrate.
The driving chip unit includes the feed port for driving patch and being symmetrically distributed in driving patch two sides, driving
The center of patch opens up via hole.
Metallization power feed hole, metallization feeding network ground hole and metallization driving unit are opened up in the ground metal layer
Ground hole.
The feeding network unit is made of 0 degree of phase shift, 90 degree of phase shifts, biasing circuit and switch port；The lower medium
Ground via is opened up on substrate.
The lower dielectric substrate and middle dielectric substrate are bonded by multi-layer board technique；The middle dielectric substrate and upper
The distance between dielectric substrate is d, and the two is isolated by plastic support hole.
The size of the square metal patch is 8.8mm × 8.8mm, and the certain interval is 0.4mm.
The ground metal layer is connected with metallization driving unit ground hole, metallization feeding network ground hole；It is described to connect
Ground metal layer is not turned on metallization power feed hole.
As shown from the above technical solution, the utility model has the following beneficial effects: first, entire antenna be mainly metal layer and
Plated-through hole technique, total processing technology is fairly simple and is easily integrated；Second, which has different mode number
Orbital angular momentum, and programmable unit coding-control can be passed through between each mode；Third, the antenna have wide band
Characteristic, and peak gain with higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the lower dielectric substrate and transmission network network layers in the utility model；
Fig. 2 is the structural schematic diagram of the ground metal layer in the utility model；
Fig. 3 is the structural schematic diagram of the middle dielectric substrate and driving chip unit in the utility model；
Fig. 4 is the structural schematic diagram of the upper dielectric substrate and super surface array unit in the utility model；
Fig. 5 is the reflection coefficient of antenna three kinds of different modes in emulation and test in specific embodiment of the present invention
Figure；
Fig. 6 is the gain diagram of antenna three kinds of different modes in emulation and test in specific embodiment of the present invention；
Fig. 7 is the phase distribution figure of three kinds of different modes in specific embodiment of the present invention, and viewing plane is apart from day
Line surface is 400 millimeters, and viewing plane size is 525 millimeters × 525 millimeters.
Specific embodiment
As shown in Figure 1,2,3, 4, the electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of a kind of coding, including four be in
The antenna element of circular array arrangement, each antenna element include super surface array unit 41, driving patch Unit 33 and feed
Network unit；Wherein, super surface array unit 41 is welded on dielectric substrate 43, drives 33 element solder of patch in middle medium
On substrate 31, ground metal layer 21 is welded on the upper surface of lower dielectric substrate 11, and feeding network element solder is in lower dielectric substrate
11 lower surface, four feeding network units form transmission network network layers 16；The upper dielectric substrate 43 is located at middle dielectric substrate 31
Top, middle dielectric substrate 31 is located at the top of lower dielectric substrate 11.
As shown in figure 4, the super surface array unit 41 is with certain interval by 4 × 4 square metal patches in two-dimensional square
It is formed to periodic arrangement, the size of the square metal patch is 8.8mm × 8.8mm, and the certain interval is 0.4mm, is surpassed
Surface array unit 41 and ground metal layer 21 form resonant cavity, can broaden antenna with a variety of radiation modes of excitation antenna
Bandwidth；It is opened up on the upper dielectric substrate 43 for fixed upper dielectric substrate 43, middle dielectric substrate 31 and lower dielectric substrate 11
Plastic support hole 42.The lower dielectric substrate 11 and middle dielectric substrate 31 are bonded by multi-layer board technique；The intermediary
The distance between matter substrate 31 and upper dielectric substrate 43 are d, and the two is isolated by plastic support hole 42.
As shown in figure 3, driving patch Unit 33 includes driving patch 33 and being symmetrically distributed in drive 33 liang of patch
The center of the feed port 32 of side, driving patch 33 opens up via hole 34.
As shown in Fig. 2, opening up metallization power feed hole 22, metallization feeding network ground hole 23 in the ground metal layer 21
With metallization driving unit ground hole 24.The ground metal layer 21 is fed with metallization driving unit ground hole 24, metallization
Grid grounding hole 23 is connected；The ground metal layer 21 is not turned on metallization power feed hole 22.
As shown in Figure 1, the feeding network unit is by 0 degree of phase shift, 13,90 degree of phase shifts 14, biasing circuit 15 and switch terminals
Mouth 12 forms；Ground via 17 is opened up on the lower dielectric substrate 11.
As shown in figure 5, the reflection coefficient of emulation and test keeps good consistency, in ± 1 mode working frequency model of l=
It encloses for 4.9GHz-6.5GHz (relative impedances bandwidth is 28.1%), the operating frequency range of l=0 mode is 5.0GHz-6.3GHz
(relative impedances bandwidth is 24.6%).
As shown in fig. 6, the gain of emulation and test keeps preferable consistency, peak gain is in l=+1, l=-1 and l
It is respectively 11.17dBi, 11.05dBi and 15.19dBi under=0 three kind of different mode.
As shown in fig. 7, the phase distribution result of corresponding emulation and the test of three kinds of different modes is in three different surveys
Frequency point 5.1GHz is tried, 5.7GHz, 6.3GHz keep preferable consistency.
The feed port 32 is connect by the power feed hole 22 that metallizes with the switch port 12 of lower dielectric substrate 11；Described
It the conducting of feed port 32 or not is by 15 independent control of biasing circuit；The biasing circuit 15 is by by programmable
Single-chip microcontroller coding-control；The switch port 12 makes antenna driving only one feed port of chip unit 33 be in work shape
State.The via hole 34 is connected directly with metallization driving unit ground hole 24.
Pass through the volume of 0 degree of phase shift 13,90 degree of phase shifts 14 and two 32 biasing circuits of feed port to four antenna elements
Process control, i.e. 4 × 4 groups of biasing circuits can be encoded into 16 binary conditions " 0 " and " 1 ", disconnect wherein " 0 " represents,
" 1 " represents conducting；The vortex electromagnetic wave of three kinds of different orbital angular momentum modes may be implemented in 16 binary conditions；When
List entries is respectively 0011001100110011,1100110011001100 and 0011110001011010, can be obtained respectively
It obtains [0 °, 90 °, 180 °, 270 °], [270 °, 180 °, 90 °, 0 °] and [0 °, 0 °, 0 °, 0 °] three kinds of phase differences, and then can obtain
Obtain the orbital angular momentum electromagnetic of tri- kinds of different modes of corresponding l=+1, l=-1 and l=0.
Embodiment one
Four of the utility model are in the antenna element of circular array arrangement, and circular array radius R is 40.5mm, the center of work
Frequency is 5.7GHz；
The overall dimensions of the lower dielectric substrate 11 are 125mm × 125mm × 0.508mm, material Rogers5880；
31 overall dimensions of middle dielectric substrate are 125mm × 125mm × 0.508mm, material Rogers4350B；The upper medium
43 overall dimensions of substrate are 125mm × 120mm × 0.508mm, material Rogers4350B；
33 size of driving patch are as follows: 13.2mm × 13.2mm；
The switch port 12 includes that several microwave diodes and patch capacitor are constituted, by the control of biasing circuit,
Realize the conducting and disconnection of driving feed port；
Described 0 degree of phase shift, 13, the 90 degree of phase shifts 14 and two feed ports 32 motivate respectively, generate 180 degree of phase
Difference can make each antenna element generate 0 °, 90 °, 180 ° with 270 ° of four kinds of different shift states；
The lower dielectric substrate 11 and middle dielectric substrate 31 is bonded by multi-layer board technique；The bonding thickness
Degree is 0.1mm thickness, material Rogers4003；
Distance is 2mm between the middle dielectric substrate 31 and upper dielectric substrate 43, is isolated by plastic support hole 42
It forms.
In conclusion the entire antenna of the utility model is mainly metal layer and plated-through hole technique, total adds
Work technics comparing is simple and is easily integrated；The antenna has the orbital angular momentum of different mode number, and can between each mode
To pass through programmable unit coding-control；The antenna has wide band characteristic, and peak gain with higher.
Claims (8)
1. a kind of electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding, it is characterised in that: including four in circular array
The antenna element of arrangement, each antenna element include super surface array unit (41), driving patch (33) unit and transmission network
Network unit；Wherein, super surface array unit (41) is welded on dielectric substrate (43), drives patch (33) element solder in
On dielectric substrate (31), ground metal layer (21) is welded on the upper surface of lower dielectric substrate (11), and feeding network element solder exists
The lower surface of lower dielectric substrate (11), four feeding network units form transmission network network layers (16)；The upper dielectric substrate (43)
Positioned at the top of middle dielectric substrate (31), middle dielectric substrate (31) is located at the top of lower dielectric substrate (11).
2. the electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding according to claim 1, it is characterised in that: institute
Stating super surface array unit (41) is formed with certain interval in two-dimensional directional periodic arrangement by 4 × 4 square metal patches, is surpassed
Surface array unit (41) and ground metal layer (21) form resonant cavity；It is opened up on the upper dielectric substrate (43) for fixed
The plastic support hole (42) of dielectric substrate (43), middle dielectric substrate (31) and lower dielectric substrate (11).
3. the electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding according to claim 1, it is characterised in that: institute
Stating driving patch (33) unit includes driving patch (33) and the feed port for being symmetrically distributed in driving patch (33) two sides
(32), the center of patch (33) is driven to open up via hole (34).
4. the electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding according to claim 1, it is characterised in that: institute
It states and opens up metallization power feed hole (22), metallization feeding network ground hole (23) and metallization driving list on ground metal layer (21)
First ground hole (24).
5. the electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding according to claim 1, it is characterised in that: institute
Feeding network unit is stated to be made of 0 degree of phase shift (13), 90 degree of phase shifts (14), biasing circuit (15) and switch port (12)；It is described
Ground via (17) are opened up on lower dielectric substrate (11).
6. the electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding according to claim 2, it is characterised in that: institute
It states lower dielectric substrate (11) and middle dielectric substrate (31) is bonded by multi-layer board technique；The middle dielectric substrate (31) and
The distance between upper dielectric substrate (43) is d, and the two is isolated by plastic support hole (42).
7. the electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding according to claim 2, it is characterised in that: institute
The size for stating square metal patch is 8.8mm × 8.8mm, and the certain interval is 0.4 mm.
8. the electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding according to claim 4, it is characterised in that: institute
State ground metal layer (21) and metallization driving unit ground hole (24), metallization feeding network ground hole (23) conducting；It is described
Ground metal layer (21) is not turned on metallization power feed hole (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920251534.XU CN209329152U (en) | 2019-02-28 | 2019-02-28 | A kind of electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding |
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| CN201920251534.XU CN209329152U (en) | 2019-02-28 | 2019-02-28 | A kind of electric adjustable wide-band orbital angular momentum mode reconfigurable antenna of coding |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092294A (en) * | 2019-12-06 | 2020-05-01 | 西安电子科技大学 | Liquid antenna based on OAM single mode and mixed mode |
| CN113300085A (en) * | 2021-05-25 | 2021-08-24 | 安徽大学 | 3G/4G/5G-oriented small broadband dual-polarized base station antenna unit |
| WO2022007248A1 (en) * | 2020-07-07 | 2022-01-13 | 深圳市信维通信股份有限公司 | 5g millimeter wave dual-polarized antenna unit, antenna array, and terminal device |
-
2019
- 2019-02-28 CN CN201920251534.XU patent/CN209329152U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092294A (en) * | 2019-12-06 | 2020-05-01 | 西安电子科技大学 | Liquid antenna based on OAM single mode and mixed mode |
| WO2022007248A1 (en) * | 2020-07-07 | 2022-01-13 | 深圳市信维通信股份有限公司 | 5g millimeter wave dual-polarized antenna unit, antenna array, and terminal device |
| CN113300085A (en) * | 2021-05-25 | 2021-08-24 | 安徽大学 | 3G/4G/5G-oriented small broadband dual-polarized base station antenna unit |
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