CN207098060U - A kind of orbital angular momentum antenna - Google Patents
A kind of orbital angular momentum antenna Download PDFInfo
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- CN207098060U CN207098060U CN201720709095.3U CN201720709095U CN207098060U CN 207098060 U CN207098060 U CN 207098060U CN 201720709095 U CN201720709095 U CN 201720709095U CN 207098060 U CN207098060 U CN 207098060U
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- antenna
- medium substrate
- angular momentum
- orbital angular
- antenna radiation
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- 230000005855 radiation Effects 0.000 claims abstract description 51
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 238000004904 shortening Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 13
- 238000004891 communication Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of orbital angular momentum antenna, including medium substrate, four antenna radiation units, feed ports；The upper and lower surface of the medium substrate is equipped with ground plane；Four antenna radiation units are inverted F shaped antenna radiating element, outward flange of each antenna radiation unit along medium substrate is sequentially positioned over the region for not being grounded face covering on medium substrate at equal intervals, and the differential seat angle between adjacent antenna radiating element is 90 degree, and each antenna radiation unit is connected by the first shortening contact and the second shortening contact with the ground plane of medium substrate upper surface respectively；The feed port is located at the upper surface of medium substrate, and is connected respectively with each antenna radiation unit, for being fed for antenna radiation unit.The utility model can realize that it be L=1 orbital angular momentum wave beams to produce pattern count, and isolation height, enables to Antenna Operation in 5.15 5.5.43GHz frequency ranges between each antenna radiation unit.
Description
Technical field
The utility model belongs to antenna technical field, and in particular to a kind of orbital angular momentum antenna.
Background technology
With the fast development of wireless communication technology, wireless telecommunications system is seen everywhere in daily life.
In all kinds of antenna forms of Wireless Telecom Equipment built-in aerial, the cause of falling inverse-F antenna have small volume, it is simple in construction, be easy to match
The advantages that with antenna low manufacture cost, be widely used wireless local area network (WLAN) system.
In recent years, WLAN (Wireless Local Area Networks, WLAN) has obtained relatively broad
Using WLAN is to be based on IEEE802.11 standards, and it can be used for being transmitted data, audio and video frequency signal etc..At present, WLAN
Groundwork frequency range is 2.45GHz frequency ranges (2.4-2.484GHz), 5.2GHz frequency ranges (5.15-5.35GHz) and 5.8GHz frequencies
Section (5.725-5.825GHz).
At present, orbital angular momentum light beam achieves widely in various fields such as optic communication, optical imagery and quantum entanglements
Using.It is different with traditional multiplex mode, its pattern count is chosen during using orbital angular momentum as multiplexed resource as modulation
Parameter, have it is mutually orthogonal between the vortex electromagnetic wave of different mode, it is final real so as to form multiple orbital angular momentum channels
Present same time, the same space, multiple signals are transmitted in same frequency range, can be greatly enhanced the frequency spectrum of wireless communication system
Utilization rate and power system capacity.
At this stage, with the extensive use of wireless telecommunications system, and electromagnetic spectrum resource has finiteness so that channel radio
Letter frequency spectrum resource utilization rate is relatively low increasingly to be highlighted with the problem of capacity of communication system deficiency.Therefore, how research produces microwave section
Orbital angular momentum wave beam, needed at this stage so as to realize to be transmitted to become in same transmission path by multiple signals synthesis
The key issue of solution.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of orbital angular momentum antenna, it can realize that it is L to produce pattern count
=1 orbital angular momentum wave beam, isolation is high between each radiating element of antenna, enables to Antenna Operation in 5.15-5.5.43GHz
Frequency range.
Above-mentioned technical purpose is realized, reaches above-mentioned technique effect, the utility model is achieved through the following technical solutions：
A kind of orbital angular momentum antenna, including medium substrate, four antenna radiation units, feed ports；
The upper and lower surface of the medium substrate is equipped with ground plane；
Four antenna radiation units are inverted F shaped antenna radiating element, and each antenna radiation unit is along medium substrate
Outward flange be sequentially positioned over the region for not being grounded face covering on medium substrate at equal intervals, and between adjacent antenna radiating element
Differential seat angle be 90 degree, and each antenna radiation unit is respectively by the first shortening contact and the second shortening contact and medium substrate
The ground plane on surface is connected；
The feed port is located at the upper surface of medium substrate, and is connected respectively with each antenna radiation unit, for for day
Beta radiation unit is fed.
Further, in the two neighboring antenna radiation unit, the angles of the latter antenna radiation unit are by preceding
One radiating element dextrorotation turn 90 degrees to obtain.
Further, the ground plane is located at the centre position of medium substrate, is coaxially disposed with medium substrate.
Further, the ground plane of the medium substrate upper surface is eight-sided formation.
Further, the medium substrate is circle, is made up of FR4 materials.
Further, the shape of the ground plane of the medium substrate lower surface is identical with the shape of medium substrate.
Further, the material of the ground plane is copper.
The beneficial effects of the utility model：
The utility model proposes a kind of orbital angular momentum antenna, by carrying out constant amplitude to four antenna radiation units therein
Out-phase is fed, and the current feed phase difference between adjacent antenna radiating element is 90 ° so that antenna can realize that it is L to produce pattern count
=1 orbital angular momentum wave beam；Each adjacent antenna radiating element is spatially disposed vertically, and realizes high-isolation so that each day
The low interference work of beta radiation unit, and it is operated in 5.15-5.43GHz frequency ranges.
Brief description of the drawings
Fig. 1 is a kind of surface structure schematic diagram of the orbital angular momentum antenna of embodiment of the utility model；
Fig. 2 is the structural representation of first antenna radiating element；
Fig. 3 is the lower surface configuration schematic diagram of Fig. 1 middle orbit angular momentum antennas；
Fig. 4 is the return loss simulation curve figure of antenna each antenna radiation unit in the case where feed port is fed；
Fig. 5 is antenna isolation simulation curve figure between each antenna radiation unit in the case that feed port is fed.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
Application principle of the present utility model is explained in detail below in conjunction with the accompanying drawings.
As Figure 1-3, a kind of orbital angular momentum antenna, including medium substrate 9, four antenna radiation units, feed ends
Mouth 3；
The upper and lower surface of the medium substrate 9 is equipped with ground plane 8；Preferably, the ground plane 8 is located at medium
The centre position of substrate 9, it is coaxially disposed with medium substrate 9；
Four antenna radiation units are inverted F shaped antenna radiating element, respectively first antenna radiating element 1,
Two antenna radiation units 4, third antenna radiating element 5, the metal patch of the 4th antenna radiation unit 6, preferably F types, each antenna
Outward flange of the radiating element along medium substrate 9 is sequentially positioned over the area for not being grounded the covering of face 8 on medium substrate 9 at equal intervals
Domain, and the differential seat angle between adjacent antenna radiating element is 90 degree, is preferably：In two neighboring antenna radiation unit, the latter
The angles of antenna radiation unit are turn 90 degrees to obtain by previous radiating element dextrorotation, can effectively reduce each antenna spoke
The isolation penetrated between unit, the low interference work of each antenna radiation unit is realized, and each antenna radiation unit passes through respectively
One shortening contact 2 and the second shortening contact 7 are connected with the ground plane 8 of the upper surface of medium substrate 9；
The feed port 3 is located at the upper surface of medium substrate 9, and is connected respectively with each antenna radiation unit, for for
Antenna radiation unit is fed.
In a kind of embodiment of the present utility model, the ground plane 8 of the upper surface of medium substrate 9 is eight-sided formation,
The quantity of antenna radiation unit can be adjusted flexibly, so as to produce the orbital angular momentum wave beam of more pattern counts, use octagon
Structure can make the quantity of antenna radiation unit increase to eight, can at most produce pattern count L=-3, L=-2, L=-1, L=0, L
The orbital angular momentum wave beam of=+ 1, L=+2, L=+3 totally seven kinds of patterns, as shown in figure 1, only used four days in the present embodiment
Beta radiation unit produces pattern count L=+1 orbital angular momentums as example；The medium substrate 9 is circular, the medium substrate 9
The shape of the ground plane 8 of lower surface is identical with the shape of medium substrate 9.
In the other embodiment of the present embodiment, the ground plane 8 of the upper surface of medium substrate 9 is square structure,
Antenna radiation unit quantity is four, can produce the orbital angular momentum ripple of pattern count L=-1, L=0, L=+1 Three models
Beam.
Embodiment two
In the present embodiment, the medium substrate 9 is made up of FR4 materials, thickness 1.6mm, radius 32mm；Ground plane
8 thickness is 0.036mm, and the width of each antenna radiation unit and the second shortening contact 7 is 0.4mm, and thickness is
0.036mm, the width of the first shortening contact 2 is 0.9mm, thickness 0.036mm, four antenna radiation units and ground plane 8
It is made by copper product, specific implementation can be made up on medium substrate 9 of typography.
Fig. 4 gives return loss simulation curve figure of the antenna in the case of the feed of feed port 3, as we can see from the figure
Antenna is made up of four antenna radiation units, and the center operating frequency of antenna is 5.25GHz, working frequency range 5.15-
5.43GHz.In Fig. 4, S11, S22, S33, S44 represent the return loss of each antenna radiation unit respectively, such as S11 represents the
The return loss of one antenna radiation unit.
Fig. 5 gives antenna isolation simulation curve between each antenna radiation unit in the case that feed port 33 is fed
Figure, antenna is higher than -12.8dB in working frequency range 5.15-5.43GHz isolations as we can see from the figure, can realize each antenna spoke
The high-isolation penetrated between unit works, and the S12 in figure, S13, S14 are isolation, and concrete meaning is：S12 is represented first day
Isolation between beta radiation unit and the second antenna radiation unit, S13 represent first antenna radiating element and third antenna spoke
The isolation penetrated between unit, S14 represent the isolation between first antenna radiating element and the 4th antenna radiation unit.
In summary：
The utility model proposes a kind of orbital angular momentum antenna, by carrying out constant amplitude to four antenna radiation units therein
Out-phase is fed, and the current feed phase difference between adjacent antenna radiating element is 90 ° so that antenna can realize that it is L to produce pattern count
=1 orbital angular momentum wave beam；Each adjacent antenna radiating element is spatially disposed vertically, and realizes high-isolation so that each day
The low interference work of beta radiation unit, and it is operated in 5.15-5.43GHz frequency ranges.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (7)
- A kind of 1. orbital angular momentum antenna, it is characterised in that：Including medium substrate, four antenna radiation units, feed ports；The upper and lower surface of the medium substrate is equipped with ground plane；Four antenna radiation units are inverted F shaped antenna radiating element, and each antenna radiation unit is along the outer of medium substrate Edge is sequentially positioned over the region for not being grounded face covering on medium substrate, and the angle between adjacent antenna radiating element at equal intervals Degree difference is 90 degree, and each antenna radiation unit passes through the first shortening contact and the second shortening contact and medium substrate upper surface respectively Ground plane be connected；The feed port is located at the upper surface of medium substrate, and is connected respectively with each antenna radiation unit, for for antenna spoke Penetrate unit feed.
- A kind of 2. orbital angular momentum antenna according to claim 1, it is characterised in that：The two neighboring aerial radiation list In member, the angles of the latter antenna radiation unit are turn 90 degrees to obtain by previous radiating element dextrorotation.
- A kind of 3. orbital angular momentum antenna according to claim 1 or 2, it is characterised in that：The ground plane is located at medium The centre position of substrate, is coaxially disposed with medium substrate.
- A kind of 4. orbital angular momentum antenna according to claim 1, it is characterised in that：The medium substrate upper surface connects Ground is eight-sided formation.
- A kind of 5. orbital angular momentum antenna according to claim 1, it is characterised in that：The medium substrate is circle, by FR4 materials are made.
- A kind of 6. orbital angular momentum antenna according to claim 5, it is characterised in that：The medium substrate lower surface connects The shape on ground is identical with the shape of medium substrate.
- A kind of 7. orbital angular momentum antenna according to claim 1, it is characterised in that：The material of the ground plane is copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709095.3U CN207098060U (en) | 2017-06-19 | 2017-06-19 | A kind of orbital angular momentum antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709095.3U CN207098060U (en) | 2017-06-19 | 2017-06-19 | A kind of orbital angular momentum antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207098060U true CN207098060U (en) | 2018-03-13 |
Family
ID=61552743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720709095.3U Expired - Fee Related CN207098060U (en) | 2017-06-19 | 2017-06-19 | A kind of orbital angular momentum antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207098060U (en) |
-
2017
- 2017-06-19 CN CN201720709095.3U patent/CN207098060U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 |