CN110556629A - novel ultra-wideband planar monopole antenna - Google Patents
novel ultra-wideband planar monopole antenna Download PDFInfo
- Publication number
- CN110556629A CN110556629A CN201910929542.XA CN201910929542A CN110556629A CN 110556629 A CN110556629 A CN 110556629A CN 201910929542 A CN201910929542 A CN 201910929542A CN 110556629 A CN110556629 A CN 110556629A
- Authority
- CN
- China
- Prior art keywords
- dielectric substrate
- monopole antenna
- ground plate
- feeder line
- novel ultra
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005404 monopole Effects 0.000 title claims abstract description 27
- 230000005855 radiation Effects 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- 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
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- 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
-
- 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
- H01Q5/25—Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- 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
- H01Q9/40—Element having extended radiating surface
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a novel ultra-wideband planar monopole antenna, which comprises a dielectric substrate, a radiation patch, a microstrip feeder line and a truncated ground plate, wherein the radiation patch and the microstrip feeder line are printed on the front surface of the dielectric substrate, and the truncated ground plate is printed on the back surface of the dielectric substrate; the radiation patch is in a structure combining an equilateral triangle and two semicircles; the microstrip feeder line is connected with the bottom of the radiation patch and correspondingly overlapped on the slot of the truncated ground plate; symmetrically arranged chamfered parts are formed on two sides of the top of the truncated grounding plate. The novel ultra-wideband planar monopole antenna has the advantages of miniaturization, simple structure, good radiation characteristic, strong anti-interference capability and omnidirectional radiation characteristic in a passband frequency band.
Description
Technical Field
The invention belongs to the technical field of wireless communication, and particularly relates to a novel ultra-wideband planar monopole antenna.
Background
The ultra-wideband technology has the advantages of high transmission rate, low power consumption, high resolution and the like, and is widely applied to the fields of radar remote sensing and military communication. Since 2002, the Federal Communications Commission (FCC) divides the 3.1-10.6GHz ultra-wideband frequency band into the field of civil communications, the ultra-wideband technology has attracted more important attention in the academic and commercial industries. The ultra-wideband antenna is used as a core component of a system, and the transmission quality of the whole system is directly influenced by the performance of the ultra-wideband antenna.
microstrip antenna has advantages such as small, with low costs and simple structure, has obtained the wide application in industry this year. With the advance of technology, microstrip antennas have been used in a variety of fields including wireless local area networks and high-precision positioning.
In the reference "Experimental study of a printed ultra-wideband modified circular modulator anti-enna.Kundu S.Microw Opt Technol Lett.2019; 1-6' provide a disc monopole ultra wide band antenna, the antenna adopts coplanar waveguide feed, can realize the working bandwidth of 3.1-20GHz, but the physical size is great, difficult to integrate.
disclosure of Invention
Based on the defects of the prior art, the technical problem to be solved by the invention is to provide a novel ultra-wideband planar monopole antenna which is simple in structure, small in size and stable in performance, has good radiation characteristics and strong anti-interference capability, and has the characteristic of omnidirectional radiation in a passband frequency band.
In order to solve the technical problems, the invention is realized by the following technical scheme: the invention provides a novel ultra-wideband planar monopole antenna, which comprises a dielectric substrate, a radiation patch, a microstrip feeder line and a truncated ground plate, wherein the radiation patch and the microstrip feeder line are printed on the front surface of the dielectric substrate, and the truncated ground plate is printed on the back surface of the dielectric substrate;
The radiation patch is in a structure combining an equilateral triangle and two semicircles;
the microstrip feeder line is connected with the bottom of the radiation patch and correspondingly overlapped on the slot of the truncated ground plate;
Symmetrically arranged chamfered parts are formed on two sides of the top of the truncated grounding plate.
Therefore, the novel ultra-wideband planar monopole antenna adopts a structure combining a triangle and a semicircle as a radiation patch, realizes miniaturization of the ultra-wideband antenna, and has the advantages of simple structure, good radiation characteristic and strong anti-interference capability.
As a preferred implementation manner of the foregoing technical solution, the novel ultra-wideband planar monopole antenna provided by the embodiment of the present invention further includes some or all of the following technical features:
As an improvement of the above technical solution, in an embodiment of the present invention, the radiation patches are symmetrical with respect to a central axis of the dielectric substrate, and the equilateral triangle is tightly combined with two semicircles symmetrical with respect to the central axis of the dielectric substrate.
In one embodiment of the present invention, the slot of the truncated ground plate is located at the middle upper part of the truncated ground plate and is located right below the microstrip feed line, and the width of the slot is greater than the width of the microstrip feed line; the length of the slot is 5-7 mm.
In addition, in the embodiment mode of the invention, the side length of the equilateral triangle is 16.6mm, and the radius of the semicircle is 7.2-7.6 mm.
in one embodiment of the present invention, the microstrip feed line is a microstrip feed line with a characteristic impedance of 50 Ω, and the length of the microstrip feed line is 17-18mm and the width thereof is 2.6 mm.
As an improvement of the technical scheme, the horizontal length of the chamfer part of the truncated grounding plate is 10-11mm, and the vertical length of the chamfer part is 10-11 mm.
Therefore, the structure of the truncated ground plate is adopted, triangular corners are cut off from two sides of the top of the ground plate, and the rectangular groove is formed in the middle upper part of the ground plate, so that the structure can generate gradual change resonance characteristics, and the antenna can generate stable transition from one resonance mode to another resonance mode, thereby further improving the performance of the antenna.
in one embodiment of the invention, the thickness of the dielectric substrate is 1.6mm, and the length and width of the dielectric substrate are 30mm and 30mm, respectively.
Therefore, the planar structure is adopted, the size is small, the structure is compact, and the integration with the radio frequency front-end circuit is convenient to realize.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following detailed description is given in conjunction with the preferred embodiments, together with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a block diagram of a novel ultra-wideband planar monopole antenna according to a preferred embodiment of the present invention;
fig. 2 is a front structural view of the novel ultra-wideband planar monopole antenna of the present invention;
Figure 3 is a back view of the novel ultra-wideband planar monopole antenna of the present invention;
fig. 4 is a return loss curve of the novel ultra-wideband planar monopole antenna of the present invention;
Fig. 5 is a voltage standing wave ratio graph of the novel ultra-wideband planar monopole antenna of the present invention;
Fig. 6a and 6b are radiation patterns of the novel ultra-wideband planar monopole antenna at different frequency points.
Detailed Description
Other aspects, features and advantages of the present invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which form a part of this specification, and which illustrate, by way of example, the principles of the invention. In the referenced drawings, the same or similar components in different drawings are denoted by the same reference numerals.
as shown in fig. 1-6, the novel ultra-wideband planar monopole antenna of the present invention includes a dielectric substrate 10, a radiation patch 20, a microstrip feed line 30 and a truncated ground plate 40, wherein the radiation patch 20 and the microstrip feed line 30 are printed on the front surface of the dielectric substrate 10, and the truncated ground plate 40 is printed on the back surface of the dielectric substrate 10. The radiation patch 20 has a structure in which an equilateral triangle 21 and two semicircles 22 are combined.
In the preferred embodiment of the present invention, the radiating patch 20 is symmetrical about the central axis of the dielectric substrate 10, and the equilateral triangle 21 is tightly combined with two equal-sized semicircles 22 located on both sides of the equilateral triangle 21 and symmetrical about the central axis of the dielectric substrate 10, wherein the side length of the equilateral triangle 21 is 16.6mm, and the radius of the semicircles 22 is 7.2-7.6 mm.
The bottom of the radiation patch 20 is connected to a microstrip feed line 30 having a characteristic impedance of 50 Ω, and the microstrip feed line 30 has a length of 17-18mm and a width of 2.6 mm.
The truncated ground plate 40 with two cut-off corners 41 and slots 42 is printed on the lower side of the back surface of the dielectric substrate 10, the microstrip feed line 30 is located on the front surface of the dielectric substrate 10, and the position of the microstrip feed line corresponds to the position of the slots 42 of the truncated ground plate 40 on the back surface of the dielectric substrate 10, and is overlapped directly above the slots 42 of the truncated ground plate 40, the two cut-off corners 41 are located as shown in fig. 3, wherein the two cut-off corners 41 are symmetrically arranged, the cut-off corners 41 are right triangle, understandably, the cut-off corners 41 can also be arc-shaped cut-off corners or other shapes, etc. The horizontal length of the corner cutting part 41 is 10-11mm, the vertical length of the corner cutting part 41 is 10-11mm, and preferably, the horizontal length of the corner cutting part 41 is 11mm, and the vertical length is 11 mm.
The slot 42 of the truncated ground plate 40 is located as shown in fig. 3, the slot 42 is located at the middle upper part of the truncated ground plate 40 and is located right below the microstrip feed line 30, the width of the slot 42 is larger than the width of the microstrip feed line 30, the width of the slot is 3mm, the length of the slot 42 is 5-7mm, and the length of the slot 42 is preferably 6 mm. The adoption of the structure of truncating the grounding plate 40 can generate gradual-change resonance characteristics, so that the antenna generates smooth transition from one resonance mode to another resonance mode, and the performance of the antenna is further improved.
The ultra-wideband planar monopole antenna in the embodiment is printed on a dielectric substrate 10 made of FR4 epoxy resin material, the length, width and thickness of which are 30mm, 30mm and 1.6mm respectively, the relative dielectric constant of the dielectric substrate 10 is 4.4, and the dielectric loss tangent value is 0.024.
In order to further illustrate the good performance of the novel ultra-wideband planar monopole antenna, electromagnetic simulation software HFSS is used for modeling and simulating the radio frequency characteristics of the novel ultra-wideband planar monopole antenna.
Referring to fig. 4, the bandwidth with return loss less than-10 dB of the ultra-wideband antenna of the present invention is 1.9-11.1GHz, which completely meets the FCC specified ultra-wideband frequency band range.
Referring to fig. 5, the bandwidth of the ultra-wideband antenna of the invention with the voltage standing wave ratio less than 1.5 is 2.1-10.5GHz, and the bandwidth less than 2 is 1.8-11.3 GHz.
referring to fig. 6, radiation patterns of the ultra-wideband antenna of the embodiment of the present invention at 3GHz, 6GHz, and 8GHz are provided. As can be seen from fig. 6(a), the E-plane pattern of the antenna exhibits directional radiation in the shape of a "8", and as can be seen from fig. 6(b), the H-plane pattern of the antenna is approximately circular, exhibits omnidirectional radiation characteristics, and the antenna has good omnidirectional radiation characteristics in the entire passband frequency band.
The simulation analysis shows that the bandwidth of the antenna is 1.9-11.1GHz, the working bandwidth completely meets the ultra-wideband frequency range of 3.1-10.6GHz, and the antenna has the omnidirectional radiation characteristic in the passband frequency range, so that the antenna has higher practical value.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (7)
1. The utility model provides a novel ultra wide band plane monopole antenna, includes dielectric substrate (10), radiation paster (20), microstrip feeder (30) and truncates ground plate (40), its characterized in that:
The radiation patch (20) and the microstrip feeder line (30) are printed on the front surface of the dielectric substrate (10), and the truncated ground plate (40) is printed on the back surface of the dielectric substrate (10);
the radiation patch (20) is in a structure combining an equilateral triangle (21) and two semicircles (22);
The microstrip feed line (30) is connected with the bottom of the radiation patch (20) and correspondingly overlapped on the slot (42) of the truncated ground plate (40);
and symmetrically arranged chamfered parts (41) are formed on two sides of the top of the truncated ground plate (40).
2. The new ultra-wideband planar monopole antenna according to claim 1, characterized in that the radiating patch (20) is symmetrical about the central axis of the dielectric substrate (10), and the equilateral triangle (21) is tightly combined with two semicircles (22) symmetrical about the central axis of the dielectric substrate (10).
3. The novel ultra-wideband planar monopole antenna of claim 1, wherein: the slot (42) of the truncated ground plate (40) is positioned at the middle upper part of the truncated ground plate (40) and is positioned right below the microstrip feeder line (30), and the width of the slot (42) is greater than that of the microstrip feeder line (30);
The length of the open slot (42) is 5-7 mm.
4. The novel ultra-wideband planar monopole antenna of claim 2, wherein: the side length of the equilateral triangle (21) is 16.6mm, and the radius of the semicircle (22) is 7.2-7.6 mm.
5. The novel ultra-wideband planar monopole antenna of claim 1, wherein: the microstrip feeder line (30) is a microstrip feeder line with characteristic impedance of 50 omega, the length of the microstrip feeder line (30) is 17-18mm, and the width of the microstrip feeder line is 2.6 mm.
6. The novel ultra-wideband planar monopole antenna of claim 1, wherein: the horizontal length of the corner cutting part (41) of the truncated grounding plate (40) is 10-11mm, and the vertical length of the corner cutting part is 10-11 mm.
7. The novel ultra-wideband planar monopole antenna according to any of claims 1 to 6, characterized in that: the thickness of the dielectric substrate (10) is 1.6mm, and the length and the width of the dielectric substrate (10) are respectively 30mm and 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929542.XA CN110556629A (en) | 2019-09-28 | 2019-09-28 | novel ultra-wideband planar monopole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929542.XA CN110556629A (en) | 2019-09-28 | 2019-09-28 | novel ultra-wideband planar monopole antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110556629A true CN110556629A (en) | 2019-12-10 |
Family
ID=68741789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910929542.XA Pending CN110556629A (en) | 2019-09-28 | 2019-09-28 | novel ultra-wideband planar monopole antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110556629A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336002A (en) * | 2020-09-29 | 2022-04-12 | 中国移动通信集团终端有限公司 | Ultra-wideband antenna and electronic equipment |
| CN115548662A (en) * | 2022-09-29 | 2022-12-30 | 东莞理工学院 | UWB antenna applied to wireless communication system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050120442A (en) * | 2004-06-18 | 2005-12-22 | 박익모 | An ultra wideband printed monopole antenna using modified ground plane |
| CN203288747U (en) * | 2013-06-07 | 2013-11-13 | 天津职业技术师范大学 | UWB printed monopole antenna |
| CN204303981U (en) * | 2014-12-22 | 2015-04-29 | 重庆三峡学院 | A kind of is crown three frequency microstrip antenna based on defect ground structure housing |
| CN205752538U (en) * | 2016-06-29 | 2016-11-30 | 吉林医药学院 | A kind of symmetric double circular ring structure coplanar wave guide feedback two-band planar monopole antenna |
| CN106329090A (en) * | 2015-06-17 | 2017-01-11 | 张家港市华正进出口贸易有限公司 | Small-sized ultra-wide-band microstrip antenna |
| CN108767460A (en) * | 2018-05-23 | 2018-11-06 | 辽宁工程技术大学 | A kind of ultra-wideband antenna with three trap characteristics |
| CN110048228A (en) * | 2019-05-21 | 2019-07-23 | 辽宁工程技术大学 | One type Sierpinski fractal ultra wide band antenna |
| CN210897621U (en) * | 2019-09-28 | 2020-06-30 | 辽宁工程技术大学 | Novel ultra-wideband planar monopole antenna |
-
2019
- 2019-09-28 CN CN201910929542.XA patent/CN110556629A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050120442A (en) * | 2004-06-18 | 2005-12-22 | 박익모 | An ultra wideband printed monopole antenna using modified ground plane |
| CN203288747U (en) * | 2013-06-07 | 2013-11-13 | 天津职业技术师范大学 | UWB printed monopole antenna |
| CN204303981U (en) * | 2014-12-22 | 2015-04-29 | 重庆三峡学院 | A kind of is crown three frequency microstrip antenna based on defect ground structure housing |
| CN106329090A (en) * | 2015-06-17 | 2017-01-11 | 张家港市华正进出口贸易有限公司 | Small-sized ultra-wide-band microstrip antenna |
| CN205752538U (en) * | 2016-06-29 | 2016-11-30 | 吉林医药学院 | A kind of symmetric double circular ring structure coplanar wave guide feedback two-band planar monopole antenna |
| CN108767460A (en) * | 2018-05-23 | 2018-11-06 | 辽宁工程技术大学 | A kind of ultra-wideband antenna with three trap characteristics |
| CN110048228A (en) * | 2019-05-21 | 2019-07-23 | 辽宁工程技术大学 | One type Sierpinski fractal ultra wide band antenna |
| CN210897621U (en) * | 2019-09-28 | 2020-06-30 | 辽宁工程技术大学 | Novel ultra-wideband planar monopole antenna |
Non-Patent Citations (1)
| Title |
|---|
| IPPEI MURATA等: "Broadband characteristics analysis of semicircle-type bow-tie antenna with hole slots", 《ELECTRICAL ENGINEERING IN JAPAN》, vol. 159, no. 4, 1 June 2007 (2007-06-01), pages 47 - 53 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336002A (en) * | 2020-09-29 | 2022-04-12 | 中国移动通信集团终端有限公司 | Ultra-wideband antenna and electronic equipment |
| CN115548662A (en) * | 2022-09-29 | 2022-12-30 | 东莞理工学院 | UWB antenna applied to wireless communication system |
| CN115548662B (en) * | 2022-09-29 | 2024-01-26 | 东莞理工学院 | UWB antenna applied to wireless communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206349513U (en) | A kind of single trap ultra-wideband monopole antenna | |
| CN202712422U (en) | Ultra wide-band antenna | |
| CN103531898B (en) | Based on the radio-frequency (RF) identification fractal antenna of Meta Materials | |
| KR20090055927A (en) | A non-dispersive uwb antenna apparatus using the multi-resonance | |
| CN101465467A (en) | Tri-frequency plane patch antenna and design method | |
| CN210897621U (en) | Novel ultra-wideband planar monopole antenna | |
| CN110556629A (en) | novel ultra-wideband planar monopole antenna | |
| Che et al. | Simulation of a small sized antipodal Vivaldi antenna for UWB applications | |
| CN101777691A (en) | Slot printing monopole ultra-wideband antenna | |
| CN108461912B (en) | Terahertz microstrip antenna | |
| CN208226087U (en) | A kind of ultra-wideband antenna with three trap characteristics | |
| CN203553353U (en) | A radio frequency identification fractal antenna | |
| CN112234358A (en) | Miniaturized double-trapped wave ultra-wideband antenna | |
| CN107834190B (en) | Small double-notch ultra-wideband antenna | |
| CN110729557A (en) | EBG structure and millimeter wave microstrip antenna based on EBG structure | |
| CN2927342Y (en) | Antenna | |
| CN106684544B (en) | A kind of miniaturization monopole ultra-wideband antenna | |
| CN113964534A (en) | Trapped wave ultra wide band antenna with two trapped wave characteristics | |
| CN112768945A (en) | Miniaturized teapot-shaped ultra-wideband antenna | |
| CN111293433A (en) | Flexible hexagonal ultra-wideband antenna | |
| CN210379419U (en) | Ultra-wideband antenna with double-trapped wave characteristic | |
| CN112467352A (en) | Wrench-shaped trapped wave reconfigurable ultra-wideband antenna | |
| CN112216971A (en) | Miniaturized double-trapped wave ultra-wideband antenna | |
| CN211743398U (en) | Flexible hexagonal ultra-wideband antenna | |
| CN213816425U (en) | Miniaturized teapot-shaped ultra-wideband antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |