CN116683187B - Antenna based on reconfigurable floor broadband low-profile directional diagram diversity and design method - Google Patents
Antenna based on reconfigurable floor broadband low-profile directional diagram diversity and design method Download PDFInfo
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- CN116683187B CN116683187B CN202310748802.XA CN202310748802A CN116683187B CN 116683187 B CN116683187 B CN 116683187B CN 202310748802 A CN202310748802 A CN 202310748802A CN 116683187 B CN116683187 B CN 116683187B
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- 238000013461 design Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000010586 diagram Methods 0.000 title abstract description 8
- 230000005404 monopole Effects 0.000 claims abstract description 12
- 230000005855 radiation Effects 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 8
- 239000002356 single layer Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/002—Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna
-
- 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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a reconfigurable floor broadband low-profile directional diagram-based diversity antenna and a design method thereof, wherein the antenna comprises a dielectric bottom plate and a monopole antenna, and the monopole antenna is positioned at the center of the top surface of the dielectric bottom plate; the top surface of the medium bottom plate also comprises a rectangular ground and four groups of branches, the rectangular ground is positioned at the center of the top surface of the medium bottom plate, the branches are symmetrically positioned at the periphery of the rectangular ground respectively, the four groups of branches are connected with the rectangular ground through four groups of switches respectively, a complete antenna ground is formed, and the structural reconstruction of the antenna ground is realized by controlling the working states of the switches between the lightning-shaped branches and the rectangular ground; the invention has simpler structure, lower cost, small appearance, low loss and no need of additional feed network, and can provide more effective solution for urban wireless communication environment with complicated congestion.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a reconfigurable floor broadband low-profile directional diagram-based diversity antenna and a design method.
Background
Currently, 5G construction is developing at a high rate. The reconfigurable antenna is an indispensable part of the 5G smart city, and can adapt to different wireless communication requirements, such as different working frequencies, different radiation directions, and the like, by changing the configuration of the reconfigurable antenna. The concept of reconfigurable antennas was proposed in the 60 s of the 20 th century. Reconfigurable means that the relation between array elements in a multi-antenna array can be flexibly changed according to practical situations, and is not fixed. The antenna performance is reconfigurable mainly by adjusting a state variable device.
Compared with the traditional fixed structure antenna, the reconfigurable antenna has higher flexibility and adaptability, and can play different roles in different application scenes, such as improving communication quality, enhancing anti-interference capability, expanding coverage range and the like. The reconfigurable antenna has various functions and applications, can help us to better cope with different communication requirements, and can be used as an accelerator to bear more important tasks in future communication network systems such as a sixth generation mobile communication technology (6G). The implementation of pattern reconfigurability using antenna reconfiguration mechanisms is an important aspect of reconfigurable antenna research. The pattern reconfigurable antenna can improve system gain and communication security. At the same time, the receiving part of the communication system may also reduce power consumption thanks to the advantages of the reconfigurable pattern of directional radiation and beam scanning.
At present, the traditional fixed antenna has poor structural flexibility, the antenna has a complex structure, the whole volume and weight of the antenna are increased, and the difficulty of antenna processing is increased.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the antenna based on the reconfigurable floor broadband low-profile directional diagram diversity and the design method thereof, wherein the antenna has the advantages of small appearance, low loss, low cost and simple structure, and does not need an additional feed network.
In order to achieve the above purpose, the present invention provides the following technical solutions: the antenna based on the reconfigurable floor broadband low-profile directional diagram diversity comprises a dielectric bottom plate and a monopole antenna, wherein the monopole antenna is positioned at the center of the top surface of the dielectric bottom plate;
the bottom surface of the medium bottom plate comprises a rectangular ground and four groups of branches, the rectangular ground is positioned at the center of the bottom surface of the medium bottom plate, the branches are symmetrically positioned at the periphery of the rectangular ground respectively, and the four groups of branches are connected with the rectangular ground through four groups of switches respectively, so that a complete antenna ground is formed;
The four groups of switches respectively comprise a switch 1, a switch 2, a switch 3 and a switch 4, and the switch 1, the switch 2, the switch 3 and the switch 4 are respectively connected with one end of the branches around;
the switch component comprises a PIN diode, a blocking capacitor, a Pad and an inductor;
the branches are distributed at the periphery of the bottom surface of the medium bottom plate in a lightning shape;
The structural reconstruction of the antenna ground is realized by controlling the working states of four groups of switches between the four groups of branches and the rectangular ground.
Preferably, the monopole antenna serves as a radiating portion.
Preferably, the corners of the periphery of the rectangular ground are connected with one end of the branch through the switch.
A design method of a reconfigurable floor broadband low-profile pattern diversity antenna comprises the following steps:
the four groups of lightning branches and the single-layer dipole patches are controlled to serve as working states of four groups of switches between rectangular grounds, so that the structural reconstruction of the antenna grounds is realized, and a differential radiation pattern comprising 12 types is obtained.
Compared with the prior art, the invention has the beneficial effects that:
1. Compared with the prior art, the invention has the advantages of simpler design structure, lower cost, small appearance, low loss, no need of an additional feed network, and more outstanding bandwidth, peak gain and radiation efficiency of the antenna.
2. The invention has the advantages of low profile, broadband, diversity radiation and the like, and can provide a more effective solution for urban wireless communication environments with complex congestion.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the structure of a view angle of a reconfigurable floor broadband low-profile pattern based diversity antenna according to the present invention;
FIG. 2 is a top view of a reconfigurable floor broadband low profile pattern based diversity antenna of the present invention;
FIG. 3 is a schematic diagram of multiple modes of the reconfigurable floor broadband low profile pattern based diversity antenna of the present invention;
Reference numerals in the drawings: 1. a media floor; 2. a monopole antenna; 3. rectangular ground; 4. branching.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1 and 2, the antenna based on the reconfigurable floor broadband low-profile pattern diversity comprises a dielectric base plate 1 and a monopole antenna 2, wherein the monopole antenna 2 is used as a radiation part, and the monopole antenna 2 is positioned at the center of the top surface of the dielectric base plate 1;
The bottom surface of the medium bottom plate 1 comprises a rectangular ground 3 and four groups of branches 4, the rectangular ground 3 is positioned at the central position of the bottom surface of the medium bottom plate 1, the rectangular ground 3 is a single-layer dipole patch, four corners of the periphery of the rectangular ground 3 are connected with one end of each branch 4 through the corresponding switch, the branches 4 are respectively symmetrically positioned at the periphery of the rectangular ground 3, the four groups of the branches 4 and the rectangular ground 3 are respectively connected through the four groups of the switches, and a complete antenna ground is formed, wherein the four groups of the switches respectively comprise a switch 1, a switch 2, a switch 3 and a switch 4, the switch 1, the switch 2, the switch 3 and the switch 4 are respectively connected with one end of each branch 4, and the switch comprises a PIN diode, a blocking capacitor, a Pad and an inductor.
A design method of a reconfigurable floor broadband low-profile pattern diversity antenna comprises the following steps: the four groups of lightning branches 4 and the single-layer dipole patches are controlled to serve as working states of four groups of switches arranged between the rectangular ground 3, so that the structural reconstruction of the antenna ground is realized, and a differential radiation pattern comprising 12 types is obtained.
Specifically, by controlling the opening and closing of the 4 PIN diodes, more than 12 different radiation patterns are realized, and meanwhile, the large bandwidth characteristic is still maintained, and under the working bandwidth of more than 1.2 GHz, the radiation efficiency of not less than 58% and the antenna gain of up to 4.5 dBi are also obtained.
As shown in fig. 3, the differential radiation pattern includes the following:
mode 0: switch 1, switch 2, switch 3 and switch 4 are all closed;
mode 1: switch 1 is open, switch 2, switch 3 and switch 4 are all closed;
mode 2: switch 2 is on, switch 1, switch 3 and switch 4 are all off;
Mode 3: switch 3 is open, switch 1, switch 2 and switch 4 are all closed;
mode 4: switch 4 is open, switch 1, switch 2 and switch 3 are all closed;
Mode 5: switch 1 and switch 2 are open, and switch 3 and switch 4 are closed;
Mode 6: switch 3 and switch 4 are open, switch 1 and switch 2 are closed;
Mode 7: switch 1 and switch 4 are open, switch 2 and switch 3 are closed;
Mode 8: switch 2 and switch 3 are open, switch 1 and switch 4 are closed;
Mode 9: switch 2 and switch 4 are open, switch 1 and switch 3 are closed;
mode 10: switch 1 and switch 3 are open, and switch 2 and switch 4 are closed;
mode 11: switch 1, switch 2, switch 3 and switch 4 are all open;
The statistics can be shown in the table above, including 12 different switching situations.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. Based on reconfigurable floor broadband low profile pattern diversity antenna, its characterized in that: the antenna comprises a dielectric bottom plate and a monopole antenna, wherein the monopole antenna is positioned at the center of the top surface of the dielectric bottom plate;
the bottom surface of the medium bottom plate comprises a rectangular ground and four groups of branches, the rectangular ground is positioned at the center of the bottom surface of the medium bottom plate, the branches are symmetrically positioned at the periphery of the rectangular ground respectively, and the four groups of branches are connected with the rectangular ground through four groups of switches respectively, so that a complete antenna ground is formed;
The four groups of switches respectively comprise a switch 1, a switch 2, a switch 3 and a switch 4, and the switch 1, the switch 2, the switch 3 and the switch 4 are respectively connected with one end of the branches around;
the switch component comprises a PIN diode, a blocking capacitor, a Pad and an inductor;
the branches are distributed at the periphery of the bottom surface of the medium bottom plate in a lightning shape;
The structural reconstruction of the antenna ground is realized by controlling the working states of four groups of switches between the four groups of branches and the rectangular ground.
2. The reconfigurable floor broadband low profile pattern diversity antenna and design method based on claim 1, wherein: the monopole antenna acts as a radiating portion.
3. The reconfigurable floor broadband low profile pattern diversity antenna and design method based on claim 1, wherein: the corners of the periphery of the rectangular ground are connected with one end of the branch through the switch.
4. A method of designing a reconfigurable floor broadband low profile pattern based diversity antenna according to any of the preceding claims 1-3, comprising:
the structural reconstruction of the antenna ground is realized by controlling the working states of four groups of switches between the four groups of branches and the rectangular ground, and the differential radiation patterns comprising 12 types are obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310748802.XA CN116683187B (en) | 2023-06-25 | 2023-06-25 | Antenna based on reconfigurable floor broadband low-profile directional diagram diversity and design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310748802.XA CN116683187B (en) | 2023-06-25 | 2023-06-25 | Antenna based on reconfigurable floor broadband low-profile directional diagram diversity and design method |
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| Publication Number | Publication Date |
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| CN116683187A CN116683187A (en) | 2023-09-01 |
| CN116683187B true CN116683187B (en) | 2024-05-17 |
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| CN116683187A (en) | 2023-09-01 |
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