CN107196061A - A kind of three frequency microstrip slot antennas based on loading resonator - Google Patents
A kind of three frequency microstrip slot antennas based on loading resonator Download PDFInfo
- Publication number
- CN107196061A CN107196061A CN201710532900.4A CN201710532900A CN107196061A CN 107196061 A CN107196061 A CN 107196061A CN 201710532900 A CN201710532900 A CN 201710532900A CN 107196061 A CN107196061 A CN 107196061A
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- loading resonator
- frequency
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- resonator
- gap
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- 230000005855 radiation Effects 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 12
- 238000004891 communication Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005388 cross polarization Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004883 computer application Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006880 cross-coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003071 parasitic effect Effects 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/106—Microstrip slot antennas
-
- 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
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of three frequency microstrip slot antennas based on loading resonator, including medium substrate and the input port being made on the medium substrate, the first loading resonator, the second loading resonator and open apertured floor, wherein, the first loading resonator and the second loading resonator are carried on the gap on floor to obtain three radio-frequency radiation characteristics respectively, and the feeder line of the input port is loaded directly on gap encouraging gap.The present invention can realize good radiation characteristic, meet the requirement of multiple-frequency operation, with flexible design, low section, low cost and other advantages.
Description
Technical field
The present invention relates to the technical field of antenna, a kind of three frequency microstrip gaps day based on loading resonator are referred in particular to
Line.
Background technology
With the high speed development of radio communication in recent years, the application of antenna is more and more extensive, to the performance requirement of antenna
More and more higher.Antenna, as a part indispensable in communication system, plays transmitting and receives the important work of radiofrequency signal
With.While communication system requirements antenna radiation performance now, small volume is also required, lightweight, cost is low, design is simple etc.
Etc. characteristic.In order to realize the multiple-frequency operation of antenna, a kind of mode is a ultra-wideband antenna of design to cover all passbands, so
Signal is filtered afterwards to obtain information needed, but this design inevitably reduces the signal to noise ratio of communication, reduces
Communication quality, increase design cost and complexity.Another method is then a multifrequency antenna of design, is only operated at antenna
Required frequency range.Microstrip antenna is due to its low manufacture cost, easy processing, low section, lightweight specific and receive significant attention.
For the design of multifrequency microstrip antenna, there are a variety of methods, for example, obtain many using higher mode or degenerate mode
Frequency characteristic or increase parasitic radiation element.But the former can only typically design dual-band antenna, the latter can then make the knot of antenna
Structure is complicated, and significantly increases antenna volume.
Prior art is investigated, it is as follows
Saber Soltani in 2017 et al. are in IEEE ANTENNAS AND WIRELESS PROPAGATION
Entitled " A Dual-Band Multiport MIMO Slot Antenna for WLAN have been delivered on LETTERS
In Applications ", text author by etched on micro-strip plate floor many gap structures come when first double frequency effect, but the day
Cable architecture is complicated and tunes process complexity.
2017, Chow-Yen-Desmond Sim et al. were in IEEE ANTENNAS AND WIRELESS
Entitled " Very Small-Size Uniplanar Printed Monopole have been delivered on PROPAGATION LETTERS
Antenna for Dual-Band WLAN Laptop Computer Applications”.Author passes through to two lists in text
Pole sub-antenna is bent and grooving, is realized and is devised a double frequency miniaturization WLAN antennas.
Generally speaking, the research now on microstrip antenna is maked rapid progress, but still has many deficiencies on multifrequency antenna.
For this background, this paper presents a kind of new three frequency microstrip slot antennas based on loading resonator.By simple
The quantity of controlled loading resonator can just realize desired passband number, and keep good radiation directivity.Three frequency is micro-
Band slot antenna has design simple freely, low section, easy processing, inexpensive characteristic, with very high application value.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art and shortcoming, it is proposed that it is a kind of based on loading resonator three
Frequency microstrip slot antenna, can realize good radiation characteristic, meet the requirement of multiple-frequency operation, with flexible design, low section,
Low cost and other advantages.
To achieve the above object, technical scheme provided by the present invention is：A kind of three frequency micro-strips based on loading resonator
Slot antenna, including medium substrate and be made on the medium substrate input port, first loading resonator, second loading it is humorous
Shake and device and open apertured floor, wherein, the first loading resonator and the second loading resonator are carried in floor respectively
Three radio-frequency radiation characteristics are obtained on gap, the feeder line of the input port is loaded directly on gap encouraging gap.
The first loading resonator and the second loading resonator reduce size using bending structure.
The gap is rectangular aperture.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1st, by loading resonator on traditional slot antenna, the multiple-frequency operation of microstrip slot antenna is realized, was designed
Journey and simple in construction, design freedom height.
2nd, by the cross-couplings between resonator and gap, gain zero point can be obtained on gain curve, is reduced
Out-of-band interference, improves signal to noise ratio.
3rd, because the three frequency microstrip slot antennas of the present invention are microstrip structure, lightweight, cost is low, be adapted to big batch life
Production.
4th, the frequency band adjustments of three frequency microstrip slot antennas of the invention are simple, and each frequency band control is free, and each passband
Low-cross polarization characteristic can be obtained.
Brief description of the drawings
Fig. 1 is the structural representation of the three frequency microstrip slot antennas of the present invention.
Fig. 2 is the simulation result of the S parameter of the three frequency microstrip slot antennas of the present invention.
Fig. 3 is the maximum gain in the vertical direction of the three frequency microstrip slot antennas of the present invention with frequency variation curve.
E faces and H face directional diagram of Fig. 4 a for three frequency microstrip slot antennas of the invention at 2.4GHz.
E faces and H face directional diagram of Fig. 4 b for three frequency microstrip slot antennas of the invention at 3.5GHz.
E faces and H face directional diagram of Fig. 4 c for three frequency microstrip slot antennas of the invention at 5.2GHz.
Embodiment
With reference to specific embodiment, the present invention is described further.
It is shown in Figure 1, the three frequency microstrip slot antennas that the present embodiment is provided, including medium substrate 5 and it is made in this
The loading resonator 2, second of input port 1, first on medium substrate 5 loads resonator 3 and is provided with the floor of rectangular aperture 4,
The first loading resonator 2 and second loading resonator 3 is carried on the rectangular aperture 4 on floor to obtain three radio-frequency radiations respectively
Characteristic, while the feeder line of the input port 1 is loaded directly into encouraging gap on rectangular aperture 4.In addition, in order to reduce entirety
Size, the first loading resonator 2 and second loading resonator 3 has carried out appropriate bending.The three of the present embodiment design
Three passband central frequencies of frequency microstrip slot antenna are respectively 2.4GHz, 3.5GHz, 5.2GHz, wherein, gap resonant frequency
About 3.5GHz, the first loading resonant frequency of resonator 2 is about 2.4GHz, and the second loading resonator 3 resonant frequency is about
It is that can obtain desired passband by simulation optimization for 5.2GHz.
It is shown in Figure 2, it is shown that the S parameter simulation result of the above-mentioned three frequencies microstrip slot antenna of the present embodiment.By antenna
S11 can be seen that antenna and obtain good impedance matching respectively in 2.4GHz, 3.5GHz, 5.2GHz.
It is shown in Figure 3, it is shown that gain becomes with frequency in the above-mentioned three frequencies microstrip slot antenna vertical direction of the present embodiment
The simulation curve of change.In passband, the maximum gain of antenna is respectively 2.96dBi, 4.60dBi and 6.00dBi.And it is outer in band
The radiation zero of limited position is generated, the radiation to spurious signal is reduced.
Referring to shown in Fig. 4 a, 4b, 4c, it is shown that the above-mentioned three frequencies microstrip slot antenna of the present embodiment is respectively in three frequency bands
The normalized radiation pattern at frequency of heart (2.4GHz, 3.5GHz, 5.2GHz) place.It can be seen that antenna is equal in each frequency range
Good omnidirectional radiation characteristic is obtained, and cross polarization is below -15dB.
Embodiment described above is only the preferred embodiments of the invention, and the practical range of the present invention is not limited with this, therefore
The change that all shape, principles according to the present invention are made, all should cover within the scope of the present invention.
Claims (3)
1. a kind of three frequency microstrip slot antennas based on loading resonator, it is characterised in that：Including medium substrate and it is made in this
Input port on medium substrate, the first loading resonator, the second loading resonator and apertured floor is opened, wherein, it is described
First loading resonator and the second loading resonator are carried on the gap on floor to obtain three radio-frequency radiation characteristics respectively, described defeated
The feeder line of inbound port is loaded directly on gap encouraging gap.
2. a kind of three frequency microstrip slot antennas based on loading resonator according to claim 1, it is characterised in that：It is described
First loading resonator and the second loading resonator reduce size using bending structure.
3. a kind of three frequency microstrip slot antennas based on loading resonator according to claim 1, it is characterised in that：It is described
Gap is rectangular aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532900.4A CN107196061A (en) | 2017-07-03 | 2017-07-03 | A kind of three frequency microstrip slot antennas based on loading resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532900.4A CN107196061A (en) | 2017-07-03 | 2017-07-03 | A kind of three frequency microstrip slot antennas based on loading resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107196061A true CN107196061A (en) | 2017-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710532900.4A Pending CN107196061A (en) | 2017-07-03 | 2017-07-03 | A kind of three frequency microstrip slot antennas based on loading resonator |
Country Status (1)
| Country | Link |
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| CN (1) | CN107196061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211172A1 (en) * | 2019-04-19 | 2020-10-22 | 深圳迈睿智能科技有限公司 | Antenna and manufacturing method therefor, and interference suppression method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203464A (en) * | 1997-05-09 | 1998-12-30 | 摩托罗拉公司 | Multi-band slot antenna structure and method |
| JP2005167830A (en) * | 2003-12-04 | 2005-06-23 | Alps Electric Co Ltd | Slot antenna |
| CN104993242A (en) * | 2015-06-18 | 2015-10-21 | 华南理工大学 | High-common-mode-rejection high-resistance-band differential ultra-wideband SIR slot antenna |
| CN105428802A (en) * | 2015-12-09 | 2016-03-23 | 华南理工大学 | Broadband slot antenna with filter character |
| CN106299671A (en) * | 2016-10-17 | 2017-01-04 | 山西大学 | Double frequency-band filter antenna |
| CN207282727U (en) * | 2017-07-03 | 2018-04-27 | 华南理工大学 | A kind of three frequency microstrip slot antennas based on loading resonator |
-
2017
- 2017-07-03 CN CN201710532900.4A patent/CN107196061A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203464A (en) * | 1997-05-09 | 1998-12-30 | 摩托罗拉公司 | Multi-band slot antenna structure and method |
| JP2005167830A (en) * | 2003-12-04 | 2005-06-23 | Alps Electric Co Ltd | Slot antenna |
| CN104993242A (en) * | 2015-06-18 | 2015-10-21 | 华南理工大学 | High-common-mode-rejection high-resistance-band differential ultra-wideband SIR slot antenna |
| CN105428802A (en) * | 2015-12-09 | 2016-03-23 | 华南理工大学 | Broadband slot antenna with filter character |
| CN106299671A (en) * | 2016-10-17 | 2017-01-04 | 山西大学 | Double frequency-band filter antenna |
| CN207282727U (en) * | 2017-07-03 | 2018-04-27 | 华南理工大学 | A kind of three frequency microstrip slot antennas based on loading resonator |
Non-Patent Citations (2)
| Title |
|---|
| YOSHIKAZU AND YOSHIMURA: "A Microstripline Slot Antenna", 《LEEETRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES》 * |
| 李润铄 等: "基于十字形谐振器的小型四频滤波器设计", 《中国科技论文》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211172A1 (en) * | 2019-04-19 | 2020-10-22 | 深圳迈睿智能科技有限公司 | Antenna and manufacturing method therefor, and interference suppression method |
| TWI743505B (en) * | 2019-04-19 | 2021-10-21 | 鄒高迪 | Antenna, manufacturing method thereof and interference suppression method |
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Application publication date: 20170922 |