CN105428817A - Bidirectional radiation antenna with elliptic cylindrical dielectric resonator - Google Patents
Bidirectional radiation antenna with elliptic cylindrical dielectric resonator Download PDFInfo
- Publication number
- CN105428817A CN105428817A CN201510930753.7A CN201510930753A CN105428817A CN 105428817 A CN105428817 A CN 105428817A CN 201510930753 A CN201510930753 A CN 201510930753A CN 105428817 A CN105428817 A CN 105428817A
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- China
- Prior art keywords
- dielectric resonator
- antenna
- via hole
- bidirectional radiation
- elliptic cylindrical
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- 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.)
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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
-
- 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
- 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
- H01Q9/0485—Dielectric resonator antennas
Abstract
The invention discloses a bidirectional radiation antenna with an elliptic cylindrical dielectric resonator. The bidirectional radiation antenna comprises a dielectric resonator, a bottom plate, a via hole, an SMA connector and a feed probe, wherein the dielectric resonator is a radiator of the antenna disclosed by the invention, is made of a ceramic dielectric and is in an elliptic cylindrical shape; the bottom plate is made of metal; the cross section of the bottom plate is in a round shape; the via hole is a round through hole and is located at the center position of the bottom plate; the dielectric resonator is placed at the center position of the upper surface of the bottom plate and covers the via hole; the SMA connector is fixed to the center position of the lower bottom surface of the bottom plate; the feed probe is made of the metal and is in a fine cylindrical shape; and one end of the feed probe is connected with the SMA connector and the other end passes through the via hole and is inserted into the dielectric resonator along the median axis of the dielectric resonator. The bidirectional radiation antenna with the elliptic cylindrical dielectric resonator has the advantages of being simple in structure, small in size and the like; and a matching circuit does not need to add.
Description
Technical field
The invention belongs to the technical field of microwave antenna, particularly relate to a kind of bidirectional radiation Elliptic cylindrical dielectric resonator antenna.
Background technology
Antenna is the critical component in wireless communication system.In recent years, along with wireless communication system in colliery, the extensive use in the field such as tunnel and subway, the demand of market to bidirectional radiation antenna increases.
The conventional method realizing bidirectional radiation antenna is, two one-way radiation devices are arranged back-to-back, the direction that sensing two is contrary is respectively (see L.Liu, Z.Zhang, Z.Tian, andZ.Feng, " Abidirectionalend rearraywithcompactantennaelementsforcoalmine/tunnelcommu nication, " IEEEAntennasWirelessPropat.Lett., vol.11, pp.342 – 345,2012.).The method needs configuration two one-way radiation devices, and the volume of the bidirectional radiation antenna thus realized is compared one-way radiation antenna and is multiplied.And the bidirectional radiation antenna that the method realizes, usually need to increase extra match circuit and could mate two one-way radiation devices simultaneously, the complexity of antenna can be increased like this.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of bidirectional radiation Elliptic cylindrical dielectric resonator antenna, this antenna has that structure is simple, volume is little and without the need to increasing the advantages such as match circuit.
The present invention adopts following technical scheme:
A kind of bidirectional radiation Elliptic cylindrical dielectric resonator antenna, comprises a dielectric resonator, a base plate, a via hole, a SMA connector and a feed probes; Described dielectric resonator is the radiator of inventive antenna, and its material is ceramic dielectric, and profile is Elliptic Cylinder; Its material of described base plate is metal, and cross section is circular; Described via hole is manhole, is positioned at the center of described base plate; Described dielectric resonator is positioned over the upper surface center of described base plate, covers on described via hole; Described SMA connector is fixed on described base plate lower surface center; Its material of described feed probes is metal, and shape is thin cylinder, and its one end is connected with described SMA connector, and its other end is through described via hole, and the axis along described dielectric resonator is inserted into the inside of described dielectric resonator; The bidirectional radiation Elliptic cylindrical dielectric resonator antenna that the degree of depth regulating described feed probes to be inserted into described dielectric resonator can make the present invention design reaches matching status.
The present invention compared with prior art, has following outstanding substantive distinguishing features and remarkable advantage:
1. the bidirectional radiation antenna of the present invention's design only comprises a radiator, and thus antenna structure is simple, volume is little.
2. simple probe feed only used by the bidirectional radiation antenna of the present invention's design, and without the need to increasing extra match circuit, thus the complexity of Antenna Design is low.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is the end view of the bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment that the present invention designs.
Fig. 2 is the vertical view of the bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment that the present invention designs.
Fig. 3 is the bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment frequency response chart that the present invention designs.
Fig. 4 is the antenna pattern of the bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment that designs of the present invention at its resonance frequency 5.46GHz.
Fig. 5 is the gain diagram of the bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment that designs of the present invention in x-axis positive direction.
Embodiment
The present invention design bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment and be described in detail as follows.
Fig. 1 and Fig. 2 is respectively end view and the vertical view of the bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment of the present invention's design.As depicted in figs. 1 and 2, the bidirectional radiation Elliptic cylindrical dielectric resonator antenna of the present invention's design, comprises dielectric resonator 10, base plate 11, via hole 12, SMA connector 13 and a feed probes 14.
Dielectric resonator 10 is the radiator of inventive antenna, and its material is ceramic dielectric, and dielectric constant is 10, and its profile is Elliptic Cylinder, long axis length a=15mm, minor axis length b=7.5mm, and height h=20mm, resonance is at 5.46GHz.Base plate 11 material is metal, in the present embodiment aluminium material, and cross section is circular.Via hole 12 is manhole, is positioned at the center of base plate 11.Dielectric resonator 10 is positioned over the upper surface center of base plate 11, covers on via hole 12.SMA connector 13 is fixed on base plate 11 lower surface center.Feed probes 14 material is metal, selects red metal in the present embodiment, and shape is thin cylinder, and its one end is connected with SMA connector 13, and its other end is through via hole 12, and the axis along dielectric resonator 10 is inserted into the inside of dielectric resonator 10.The bidirectional radiation Elliptic cylindrical dielectric resonator antenna that the degree of depth regulating feed probes 14 to be inserted into dielectric resonator 10 can make the present invention design reaches matching status.
Fig. 3 shows the bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment frequency response chart of the present invention's design.Show in figure, this antenna resonance is at 5.46GHz, and its impedance bandwidth (return loss <-10dB) is 1.65%, covers the frequency range from 5.41GHz to 5.50GHz.
Fig. 4 shows the antenna pattern of bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment at its resonance frequency 5.46GHz of the present invention's design.Show in figure, in horizontal plane (i.e. x-y face in figure), this antenna has 2 greatest irradiation directions, points to positive direction and the negative direction of x-axis respectively, indicates the bidirectional radiation characteristic of this antenna.
Fig. 5 shows the gain of bidirectional radiation Elliptic cylindrical dielectric resonator antenna embodiment in x-axis positive direction of the present invention's design.Show in figure, this antenna is maximum in 5.43GHz gain, and be 3.46dBi, this gain values can meet the application demand of the scene such as colliery, tunnel.
Known by above analysis, the antenna of the present invention's design has simple, the single radiator of structure and realizes the advantages such as bidirectional radiation.
The above, it is only better embodiment of the present invention, not any pro forma restriction is done to the present invention, any content not departing from technical solution of the present invention, the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the scope of technical solution of the present invention.
Claims (1)
1. a bidirectional radiation Elliptic cylindrical dielectric resonator antenna, comprises a dielectric resonator, a base plate, a via hole, a SMA connector and a feed probes, it is characterized in that:
Described dielectric resonator material its be ceramic dielectric, profile is Elliptic Cylinder; Its material of described base plate is metal, and cross section is circular; Described via hole is manhole, is positioned at the center of described base plate; Described dielectric resonator is positioned over the upper surface center of described base plate, covers on described via hole; Described SMA connector is fixed on described base plate lower surface center; Its material of described feed probes is metal, and shape is thin cylinder, and its one end is connected with described SMA connector, and its other end is through described via hole, and the axis along described dielectric resonator is inserted into the inside of described dielectric resonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930753.7A CN105428817A (en) | 2015-12-15 | 2015-12-15 | Bidirectional radiation antenna with elliptic cylindrical dielectric resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930753.7A CN105428817A (en) | 2015-12-15 | 2015-12-15 | Bidirectional radiation antenna with elliptic cylindrical dielectric resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105428817A true CN105428817A (en) | 2016-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510930753.7A Pending CN105428817A (en) | 2015-12-15 | 2015-12-15 | Bidirectional radiation antenna with elliptic cylindrical dielectric resonator |
Country Status (1)
| Country | Link |
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| CN (1) | CN105428817A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560385A (en) * | 2018-11-26 | 2019-04-02 | 广东三水合肥工业大学研究院 | A kind of Broad-band Ceramic antenna with seamless metal sleeve |
| CN110398636A (en) * | 2019-06-13 | 2019-11-01 | 西安电子科技大学 | Liquid dielectric Sensors & Application based on miniaturization medium resonator antenna |
| CN112751210A (en) * | 2020-12-29 | 2021-05-04 | 瑞声新能源发展(常州)有限公司科教城分公司 | Antenna assembly, antenna device and communication terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020196190A1 (en) * | 1999-04-02 | 2002-12-26 | Beng-Teck Lim | Dielectric-patch resonator antenna |
| CN101752667A (en) * | 2008-12-11 | 2010-06-23 | 株式会社电装 | Dielectric loaded antenna having hollow portion therein |
| CN205194850U (en) * | 2015-12-15 | 2016-04-27 | 天津职业技术师范大学 | Oval post dielectric resonator antenna of two -way radiation |
-
2015
- 2015-12-15 CN CN201510930753.7A patent/CN105428817A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020196190A1 (en) * | 1999-04-02 | 2002-12-26 | Beng-Teck Lim | Dielectric-patch resonator antenna |
| CN101752667A (en) * | 2008-12-11 | 2010-06-23 | 株式会社电装 | Dielectric loaded antenna having hollow portion therein |
| CN205194850U (en) * | 2015-12-15 | 2016-04-27 | 天津职业技术师范大学 | Oval post dielectric resonator antenna of two -way radiation |
Non-Patent Citations (2)
| Title |
|---|
| LI YING FENG等: "Bidirectional dielectric resonator antenna", 《TENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING, 2015 IEEE INTERNATIONAL SYMPOSIUM ON》 * |
| S. L. STEVEN YANG等: "Single-feed elliptical dielectric resonator antennas for circularly polarized applications", 《MICROWAVE AND OPTICAL TECHNOLOGY LETTERS》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560385A (en) * | 2018-11-26 | 2019-04-02 | 广东三水合肥工业大学研究院 | A kind of Broad-band Ceramic antenna with seamless metal sleeve |
| CN110398636A (en) * | 2019-06-13 | 2019-11-01 | 西安电子科技大学 | Liquid dielectric Sensors & Application based on miniaturization medium resonator antenna |
| CN110398636B (en) * | 2019-06-13 | 2021-09-21 | 西安电子科技大学 | Liquid dielectric constant sensor based on miniaturized dielectric resonator antenna and application |
| CN112751210A (en) * | 2020-12-29 | 2021-05-04 | 瑞声新能源发展(常州)有限公司科教城分公司 | Antenna assembly, antenna device and communication terminal |
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Application publication date: 20160323 |
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