CN103682645A - Reconfigurable plane microstrip antenna with multi-angle main beam pointing directions - Google Patents
Reconfigurable plane microstrip antenna with multi-angle main beam pointing directions Download PDFInfo
- Publication number
- CN103682645A CN103682645A CN201310641951.2A CN201310641951A CN103682645A CN 103682645 A CN103682645 A CN 103682645A CN 201310641951 A CN201310641951 A CN 201310641951A CN 103682645 A CN103682645 A CN 103682645A
- Authority
- CN
- China
- Prior art keywords
- drive vibrator
- antenna
- oscillator
- main beam
- switch
- 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.)
- Granted
Links
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention provides a reconfigurable plane microstrip antenna with multi-angle main beam pointing directions, belongs to the technical field of electronics, and particularly relates to an antenna with five main beam radiation directions. The antenna comprises an insulation base plate with a feed input port, a grounded metal plate arranged on the bottom face of the base plate, directing vibrators and a drive vibrator, wherein the directing vibrators and the drive vibrator are arranged on the upper surface of the base plate. The drive vibrator is a crossed-type drive vibrator formed due to the fact that a basic drive vibrator and an adjustable drive vibrator are vertically crossed, the crossed point is a feed point, the four directing vibrators are located in the four included angles of the drive vibrator respectively, each directing vibrator is formed by two parallel metal strips with a switch in the middle, and the grounded metal plate is a crossed-type grounded plate corresponding to the drive vibrator. According to the antenna, all technical parameters of all work modes have high consistency except that the radiation directions are different, and the plane microstrip antenna with five main beam radiation directions and stable work states is designed.
Description
Technical field
The invention belongs to electronic technology field, particularly a kind of restructural plane microstrip antenna with five main beam radiation directions.
Background technology
Along with the development of information technology, with present mobile communication, satellite communication, various army/commerical radar and the aircraft etc. of wireless transmission method transmission of information, the status in national economy and national defence field becomes more and more important.Antenna is the important component part of wireless communication system, it can receive and launch radio wave and transmission of information, therefore the operating characteristic of antenna will directly affect the performance of whole wireless communication system, and this makes the important content that develops into wireless messages technical development of antenna technology.Current, various wireless systems are more and more higher to the requirement of the performances such as capacity, function, bandwidth.Obviously, improve power system capacity, increase systemic-function, expanding system bandwidth, can meet current demand, but this is by the information subsystem quantity increase that makes to carry on same wireless system platform, thereby the quantity of antenna also must correspondingly be increased.Reconfigurable antenna is fused to the function of a plurality of antennas in same antenna bore, can reduce system holistic cost, weight reduction, reduce system RCS, realize good electromagnetic compatibility characteristic, with an antenna aperture, realize the function of a plurality of antennas.
Document " directional diagram reconstructable aerial of the parasitic oscillator structure of a kind of micro-band " (" A Pattern Reconfigurable Microstrip Parasitic Array " .IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL.52, NO.10, OCTOBER 2004, pp.2773 – 2776.).The parasitic oscillator structure of Yagi antenna is improved in microstrip structure, is designed to micro-main beam reconfigurable antenna with Yagi spark gap structure.As shown in Figure 1, antenna body comprises with the insulated substrate of feed input port, be parallel to each other and be located at the drive vibrator being connected with inner conductor on substrate and respectively with the parasitic oscillator of two diode switches, be located at the grounding plate of substrate bottom surface, coaxial cable; Inner conductor is connected with drive vibrator is eccentric, during work, electric current flows to shorter one end by one end of growing, both sides bonding jumper as parasitic oscillator connects an extension at two ends by switch respectively, and when the switch connection of two ends, this parasitism oscillator is director dipole, when two end switch disconnect, this parasitism oscillator is reflection oscillator; Two on off states during work on each parasitic oscillator are consistent, by regulating parasitic oscillator switch connection status that its function is changed between director dipole and reflection oscillator, when the switch connection status of both sides director dipole is different, director dipole one side that main beam radiation direction deflection switch connects, when switch connection status is identical, main beam is perpendicular to the antenna substrate radiation that makes progress.Although this antenna is simple in structure, fixing owing to only having a drive vibrator and exciting current to flow to, drive vibrator both sides are all only provided with a parasitic oscillator in addition, thereby main beam radiation direction only has three angles during work.
Summary of the invention
The object of the invention is to design the reconfigurable plane microstrip antenna of a kind of multi-angle main beam pointing, to realize the object with five selectable main beam radiation directions.
The present invention is micro-with the improvement design in Yagi antenna basic principle in background technology, the main part of antenna of the present invention comprises with the insulated substrate of feed input port and is located at the grounding plate of substrate bottom surface, be located at director dipole and the drive vibrator of upper surface of base plate, it is characterized in that described drive vibrator is basic driver oscillator and intersects with adjustable drive vibrator " ten " word X-shape drive vibrator fixedly forming, both crosspoints are antenna feed point, basic driver oscillator distributing point both sides length is unequal, adjustable drive vibrator comprises oscillator main body and is positioned at the extension at two ends, and oscillator main body two ends are fixedly connected with respectively to the switch being integral with extension, adjustable drive vibrator both sides are symmetrical arranged with respect to distributing point, wherein the length of either side equals long one section of basic driver oscillator, the length that oscillator main body is positioned at distributing point both sides all shorter with basic driver oscillator one section equate, described director dipole is four groups of director dipoles that structure is identical, parallel and the middle bonding jumper that is provided with switch forms by two for every group of director dipole, each is organized director dipole and lays respectively in basic driver oscillator and formed four angles of adjustable drive vibrator, and its extended line and both sides drive vibrator bonding jumper are 45° angle, described metal ground plate is " ten " word X-shape ground plate corresponding with drive vibrator, the four edges length of ground plate and width is identical, its center is connected with coaxial cable outer conductor, inner conductor is connected with the distributing point in drive vibrator through insulated substrate.
Wherein, drive vibrator, director dipole, metal ground plate are all arranged at insulated substrate by modes such as traditional printing or etchings, and all switches are pin diode switch or mems switch, and switch is fixedly connected with by the mode of welding.
Antenna of the present invention has different size spans to different frequency range.As in frequency range 3GHz to 10GHz scope, the length of both sides, basic driver oscillator crosspoint is respectively 0.25-0.35 λ and 0.2-0.3 λ (λ is the wavelength at working frequency range center frequency point place); The length of each director dipole is 0.1-0.5 λ, and wherein each inner side director dipole is 0.1-0.5 λ apart from the distance of apex drive point, and each outside director dipole is 0.05-0.15 λ apart from the distance of inner side director dipole; The width of drive vibrator and director dipole is all consistent, and its width is according to impedance 80-120 ohm microstrip value.
In the present invention, drive vibrator consists of basic driver oscillator and adjustable drive vibrator square crossing, the connection status that changes switch in adjustable drive vibrator changes the length of this drive vibrator, electric current in drive vibrator flows to shorter one end by one end of growing, diverter switch connection status, realized to exciting current various flows to selection.Director dipole is arranged at respectively in basic driver oscillator and formed four angles of adjustable drive vibrator, in the middle of each director dipole, load a switch, and the connection status of switch is consistent in every group of director dipole, change switch connection status, be generation or the cut-out of host age preference electric current.During antenna work, two switches in adjustable drive vibrator are one open-one close always, exciting current just have two kinds of various flows to, be divided into incentive mode one and incentive mode two, now, only the director dipole in the different angle of both sides drive vibrator length is just to wave beam generation effect, select the flow direction of different exciting currents, select two groups of different director dipoles to exert an influence to wave beam, the various combination of switch on these two groups of director dipoles, have the main beam radiation direction of three kinds of different angles, so antenna of the present invention has six kinds of radiation modes, wherein there is the main beam radiation angle of two kinds of radiation modes identical, for the radiation that makes progress perpendicular to substrate, the main beam radiation direction of all the other four kinds of radiation modes and antenna substrate place plane have 30 °-50 ° departing from.So the present invention has five selectable main beam pointings; In addition, the present invention has very high symmetry in overall structure, and each mode of operation is except radiation direction is inconsistent, and all the other technical parameters (as S11, radiation gain etc.) all have the consistency of height, so each stable working state of antenna of the present invention.In sum, the present invention designs and has realized the reconfigurable plane microstrip antenna of a kind of multi-angle main beam pointing.
Accompanying drawing explanation
Fig. 1 is the antenna schematic diagram of background technology;
Fig. 2 is the front elevation of antenna of the present invention;
Fig. 3 is the back view of antenna of the present invention;
Fig. 4 is in the embodiment of the present invention, and K switch 9 disconnects, sense of current when K10 connects in drive vibrator;
Fig. 5 is in the embodiment of the present invention, and K switch 10 disconnects, sense of current when K9 connects in drive vibrator;
Fig. 6 is in the embodiment of the present invention, the S11 parameter curve under six kinds of radiation modes;
Fig. 7 is in the embodiment of the present invention, the 3D of the first radiation mode and tangent plane directional diagram;
Fig. 8 is in the embodiment of the present invention, the 3D of the second radiation mode and tangent plane directional diagram;
Fig. 9 is in the embodiment of the present invention, the 3D of the third radiation mode and tangent plane directional diagram;
Figure 10 is in the embodiment of the present invention, the 3D of the 4th kind of radiation mode and tangent plane directional diagram;
Figure 11 is in the embodiment of the present invention, the 3D of the 5th kind of radiation mode and tangent plane directional diagram;
Figure 12 is in the embodiment of the present invention, the 3D of the 6th kind of radiation mode and tangent plane directional diagram.
Drawing reference numeral explanation:
1. insulated substrate; 2-1. drive vibrator; The parasitic oscillator of 2-2～3.; The switch of 3-1～4.; 4. insulated substrate; 5-1. basic driver oscillator; Drive vibrator that 5-2. is adjustable; The director dipole of 6-1～4.; 7-1; K switch 1, K2; 7-2. K switch 3, K4; 7-3. K switch 5, K6; 7-4. K switch 7, K8; 7-5. K switch 9; 7-6. K switch 10; 8. metal ground plate; 9 coaxial cable feed input ports.
Embodiment
The present invention be take the antenna that is operated in 5.9GHz and is illustrated as embodiment.
As shown in Figure 2, substrate is that thickness is 1mm, relative dielectric constant ε
r=2.2 RO6010 sheet material, drive vibrator, director dipole, metal ground plate etching or be printed in substrate front side.In drive vibrator, the length of adjustable drive vibrator main body is 15mm, and extension length is 1.7mm, and the length of basic driver oscillator distributing point both sides is respectively 9.7mm and 7.5mm.In every group of director dipole, inner side director dipole is 6.5mm apart from the distance of distributing point, and length is 7mm, and outside director dipole is 10mm apart from the distance of distributing point, and length is 10.5mm.The width of drive vibrator and director dipole is 1mm.As shown in Figure 3, grounding plate is arranged at substrate back, corresponding with drive vibrator, in metal ground plate, the length of four bonding jumpers is 11.2mm, width is 4mm, and 50 ohm coaxial cable outer conductors are welded at its center, and inner conductor is connected with the distributing point in drive vibrator through insulated substrate.
Switch in drive vibrator is for regulating the flow direction of exciting current, and K switch 9, K10 be a disconnection of a connection when antenna is worked.When K switch 9 disconnections, K10 connect, as shown in Figure 4, this pattern is incentive mode one to current direction; When K9 connection, K10 disconnect, as shown in Figure 5, this pattern is incentive mode two to current direction.
At incentive mode for the moment, the director dipole that is only parallel to Y-axis just can produce and guide effect into radiation beam, so by-pass cock K1, K2 and K5, K6 connection status can realize three kinds of radiation modes in ZOX plane; In like manner, when incentive mode two, the director dipole that is only parallel to X-axis just can produce and guide effect into radiation beam, so the connection status of by-pass cock K3, K4 and K7, K8 can realize three kinds of radiation modes in ZOY plane.Wherein in every group of director dipole, the connection status of two switches is consistent.
Accompanying drawing 7 to accompanying drawing 12 has not provided 3D and the tangent plane directional diagram under six radiation modes of antenna, now switch connection status and corresponding simulation parameter are listed as to following table, be provided with comparison, in its each pattern, the connection status of not specified switch does not exert an influence substantially to this mode of operation.
Here it should be noted that, antenna of the present invention has six kinds of radiation modes, five main beam radiation directions, wherein radiation mode one is vertical antenna Basic Law to radiation with the main beam pointing of radiation mode four, difference is that the antenna pattern 3dB broad beam face of pattern one is ZOX face, and the antenna pattern 3dB broad beam face of pattern four is ZOY face.
Accompanying drawing 6 is S11 parametric plot under six kinds of mode of operations, can find out S11 parameter under each radiation mode basically identical and on this frequency of 5.9GHz S11 parameter all lower than-25dB, the impedance matching that this has guaranteed port, makes the efficient feed antenna of input signal.
To sum up, the present invention has designed a kind of reconfigurable antenna simply efficiently with multi-angle main beam pointing.
Claims (3)
1. the reconfigurable plane microstrip antenna of multi-angle main beam pointing, comprise with the insulated substrate of feed input port and be located at the grounding plate of substrate bottom surface, be located at director dipole and the drive vibrator of upper surface of base plate, it is characterized in that described drive vibrator is basic driver oscillator and intersects with adjustable drive vibrator " ten " word X-shape drive vibrator fixedly forming, both crosspoints are antenna feed point, basic driver oscillator distributing point both sides length is unequal, adjustable drive vibrator comprises oscillator main body and is positioned at the extension at two ends, and oscillator main body two ends are fixedly connected with respectively to the switch being integral with extension, adjustable drive vibrator both sides are symmetrical arranged with respect to distributing point, wherein the length of either side equals long one section of basic driver oscillator, the length that oscillator main body is positioned at distributing point both sides all shorter with basic driver oscillator one section equate, described director dipole is four groups of director dipoles that structure is identical, parallel and the middle bonding jumper that is provided with switch forms by two for every group of director dipole, each is organized director dipole and lays respectively in basic driver oscillator and formed four angles of adjustable drive vibrator, and its extended line and both sides drive vibrator bonding jumper are 45° angle, described metal ground plate is " ten " word X-shape ground plate corresponding with drive vibrator, the four edges length of ground plate and width is identical, its center is connected with coaxial cable outer conductor, inner conductor is connected with the distributing point in drive vibrator through insulated substrate.
2. the reconfigurable plane microstrip antenna of multi-angle main beam pointing as claimed in claim 1, is characterized in that described switch is pin diode switch or mems switch.
3. the reconfigurable plane microstrip antenna of multi-angle main beam pointing as claimed in claim 1, is characterized in that in frequency range 3GHz to 10GHz scope, and the length of both sides, described basic driver oscillator crosspoint is respectively 0.25-0.35 λ and 0.2-0.3 λ; The length of each director dipole is 0.1-0.5 λ, and wherein each inner side director dipole is 0.1-0.5 λ apart from the distance of apex drive point, and each outside director dipole is 0.05-0.15 λ apart from the distance of inner side director dipole; The width of drive vibrator and director dipole is all consistent, and its width is according to impedance 80-120 ohm microstrip value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310641951.2A CN103682645B (en) | 2013-12-03 | 2013-12-03 | The reconfigurable plane microstrip antenna of a kind of multi-angle main beam pointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310641951.2A CN103682645B (en) | 2013-12-03 | 2013-12-03 | The reconfigurable plane microstrip antenna of a kind of multi-angle main beam pointing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103682645A true CN103682645A (en) | 2014-03-26 |
| CN103682645B CN103682645B (en) | 2016-03-30 |
Family
ID=50319407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310641951.2A Expired - Fee Related CN103682645B (en) | 2013-12-03 | 2013-12-03 | The reconfigurable plane microstrip antenna of a kind of multi-angle main beam pointing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103682645B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071033A (en) * | 2015-08-25 | 2015-11-18 | 华南理工大学 | Monopole-loop-based pattern-reconfigurable antenna |
| CN108390153A (en) * | 2018-02-08 | 2018-08-10 | 南通大学 | The restructural medium resonator antenna in broadband |
| CN108767457A (en) * | 2018-05-16 | 2018-11-06 | 中山大学 | A kind of micro-strip magnetic-dipole antenna |
| TWI677160B (en) * | 2018-01-18 | 2019-11-11 | 義守大學 | Wireless power transmission system |
| CN112531335A (en) * | 2020-11-16 | 2021-03-19 | 珠海格力电器股份有限公司 | Square three-frequency antenna device and communication equipment |
| CN113224507A (en) * | 2020-02-04 | 2021-08-06 | 华为技术有限公司 | Multi-beam antenna |
| CN114512798A (en) * | 2020-11-16 | 2022-05-17 | 华为技术有限公司 | Reconfigurable antenna and communication device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030176179A1 (en) * | 2002-03-18 | 2003-09-18 | Ken Hersey | Wireless local area network and antenna used therein |
| CN101834349A (en) * | 2010-05-05 | 2010-09-15 | 电子科技大学 | Microstrip patch antenna with reconfigurable directional diagram |
| CN201838722U (en) * | 2010-05-05 | 2011-05-18 | 电子科技大学 | Microstrip patch antenna with reconfigurable directional diagram |
| CN102437423A (en) * | 2011-09-09 | 2012-05-02 | 天津大学 | Planar directional pattern reconfigurable method and antenna with six-wave-beam selectivity |
| CN102820538A (en) * | 2012-08-31 | 2012-12-12 | 电子科技大学 | Miniaturized and circularly-polarized RFID (Radio Frequency Identification) reader-writer antenna |
| WO2013126124A2 (en) * | 2011-12-07 | 2013-08-29 | Utah State University | Reconfigurable antennas utilizing liquid metal elements |
| CN103296398A (en) * | 2013-05-07 | 2013-09-11 | 西安电子科技大学 | Microstrip antenna with directional diagram capable of being reconstructed |
-
2013
- 2013-12-03 CN CN201310641951.2A patent/CN103682645B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030176179A1 (en) * | 2002-03-18 | 2003-09-18 | Ken Hersey | Wireless local area network and antenna used therein |
| CN101834349A (en) * | 2010-05-05 | 2010-09-15 | 电子科技大学 | Microstrip patch antenna with reconfigurable directional diagram |
| CN201838722U (en) * | 2010-05-05 | 2011-05-18 | 电子科技大学 | Microstrip patch antenna with reconfigurable directional diagram |
| CN102437423A (en) * | 2011-09-09 | 2012-05-02 | 天津大学 | Planar directional pattern reconfigurable method and antenna with six-wave-beam selectivity |
| WO2013126124A2 (en) * | 2011-12-07 | 2013-08-29 | Utah State University | Reconfigurable antennas utilizing liquid metal elements |
| CN102820538A (en) * | 2012-08-31 | 2012-12-12 | 电子科技大学 | Miniaturized and circularly-polarized RFID (Radio Frequency Identification) reader-writer antenna |
| CN103296398A (en) * | 2013-05-07 | 2013-09-11 | 西安电子科技大学 | Microstrip antenna with directional diagram capable of being reconstructed |
Non-Patent Citations (1)
| Title |
|---|
| 王秉中等: "毫米波方向图可重构天线及其相控阵研究(特邀报告)", 《2011年全国微波毫米波会议论文集（上册）》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071033A (en) * | 2015-08-25 | 2015-11-18 | 华南理工大学 | Monopole-loop-based pattern-reconfigurable antenna |
| TWI677160B (en) * | 2018-01-18 | 2019-11-11 | 義守大學 | Wireless power transmission system |
| CN108390153A (en) * | 2018-02-08 | 2018-08-10 | 南通大学 | The restructural medium resonator antenna in broadband |
| CN108390153B (en) * | 2018-02-08 | 2019-12-31 | 南通大学 | Broadband reconfigurable dielectric resonator antenna |
| CN108767457A (en) * | 2018-05-16 | 2018-11-06 | 中山大学 | A kind of micro-strip magnetic-dipole antenna |
| CN113224507A (en) * | 2020-02-04 | 2021-08-06 | 华为技术有限公司 | Multi-beam antenna |
| WO2021155696A1 (en) * | 2020-02-04 | 2021-08-12 | 华为技术有限公司 | Multi-beam antenna |
| US11909123B2 (en) | 2020-02-04 | 2024-02-20 | Huawei Technologies Co., Ltd. | Multibeam antenna |
| CN112531335A (en) * | 2020-11-16 | 2021-03-19 | 珠海格力电器股份有限公司 | Square three-frequency antenna device and communication equipment |
| CN114512798A (en) * | 2020-11-16 | 2022-05-17 | 华为技术有限公司 | Reconfigurable antenna and communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103682645B (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103682645B (en) | The reconfigurable plane microstrip antenna of a kind of multi-angle main beam pointing | |
| KR101760823B1 (en) | Multiple-antenna system and mobile terminal | |
| CN101814657B (en) | Low-loss microstrip patch frequency scanning antenna array capable of scanning by large angle in limited bandwidth | |
| US11316263B2 (en) | Radiation apparatus | |
| US10665954B2 (en) | Leaky-wave antenna | |
| CN109687125B (en) | Ultra-low profile dual-frequency wide-beam microstrip antenna based on multi-mode fusion | |
| CN105896091A (en) | Miniaturized broadband high-gain circular polarized microstrip antenna | |
| CN102800956A (en) | Wideband dual-polarized antenna for integrated balun feed | |
| CN102832450B (en) | Novel dual-frequency and polarization reconfigurable antenna | |
| CN104852137A (en) | Miniaturized frequency reconfigurable microstrip slit antenna | |
| CN203596414U (en) | Tapered slot antenna and phased array antenna thereof | |
| CN102157779A (en) | Wireless terminal and antenna thereof | |
| CN110112574A (en) | A kind of restructural ultra wide band array antenna | |
| CN108666768A (en) | With the centrical adaptive radiating element of multiphase and array antenna | |
| US11239544B2 (en) | Base station antenna and multiband base station antenna | |
| CN105896070B (en) | Divide the ultra-wideband microstrip antenna of shape based on rectangular step structure | |
| CN108123217A (en) | A kind of broadband and wideangle double-circle polarization satellite antenna | |
| CN108736150B (en) | Ku/Ka waveband frequency reconfigurable microstrip antenna | |
| CN207517871U (en) | A kind of differential frequency reconfigurable antenna | |
| CN204424458U (en) | Dual polarization slotted guide antenna battle array | |
| CN109524771B (en) | Dual-polarized sine antenna device based on GCPW feed | |
| CN105144483B (en) | Circular polarized antenna | |
| CN104518289A (en) | Dual-polarized slotted waveguide antenna array | |
| CN111628286B (en) | Dual-frequency dual-circularly polarized antenna | |
| CN207517894U (en) | A kind of four array element Shared aperture multiband composite array antennas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20191203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |