CN101320840A - Multi-stop band ultra-wideband antenna based on miniaturization double module resonator - Google Patents
Multi-stop band ultra-wideband antenna based on miniaturization double module resonator Download PDFInfo
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Abstract
A multi-stop ban ultra wide band antenna based on a small-size double mode resonator and a zero-order resonator comprises a dielectric substrate (1), a lower surface metal plating (2) that covers upper and lower surfaces of the dielectric substrate (1), and a upper surface metal plating (3); the lower surface metal plating (2) is the earth of a feeder part, designed in isosceles trapezoid, so as to meet impedance matching requirement between a feeder (5) and an antenna radiating unit (4); the upper surface metal plating (3) comprises the following parts: an antenna radiating unit (4), a feeder (5), a first double mode stepped impedance resonator (8), a second double mode stepped impedance resonator (9), a third double mode stepped impedance resonator (10), and a zero-order splitting ring resonator (11). The antenna has simple structure, small volume, which meets the requirement of integration of a planar circuit, with low cost, which is convenient for batched manufacturing. Therefore, the invention is appropriate for various interference-free ultra wide band applications.
Description
Technical field
The present invention is a kind of multi-attenuation band ultra-wideband (Ultra-Wideband, UWB) the comprehensive Design technology of communication antenna that can restrain a plurality of band signals interference.
Background technology
Ultra-wideband communication system has advantages such as big bandwidth, high data rate, low cost, is paid close attention to widely in recent years and uses.Meanwhile, the development of various wireless communication systems and application make existing band resource become more and more nervous, the following frequency range of 10GHz particularly, a large amount of different types of communication services of crowding.For example, UMTS/WCDMA, GPS, WLAN, WiMAX and FBWA etc.There are overlap problem in the working band and the ultra-wideband communication system of these systems, therefore all may become potential interference source.Disturb for fear of these potential signals, protect the operate as normal of each communication system simultaneously, can have the antenna realization of stopband characteristic by design.This antenna can be operated in very wide frequency band, the feeder line structure that has filtering characteristic simultaneously can make antenna have very big standing wave ratio of input voltage on specific frequency, promptly present and end for the signal antenna of corresponding frequencies, idle state reduces even eliminates the effect of mutual interference mutually between radio ultra wide band system and other communication systems thereby play.Existing stopband antenna mostly has single stopband, can not the signal of a plurality of frequencies be suppressed; Perhaps, the antenna bandwidth of operation with two stopbands is affected and reduces, and does not satisfy the ultra broadband characteristic.Therefore, design a kind of many stopbands that have, the miniaturization antenna feeder of ultra broadband bandwidth of operation becomes problem demanding prompt solution.
On the other hand, the stepped impedance resonance line with bimodulus characteristic has little and preceding two resonance frequencys of volume controlled character separately, can be used to design the filter of many stopbands.Splitting ring resonator with zeroth order resonance characteristic has the small and exquisite and spurious resonance spacing characteristic far away of volume simultaneously.Therefore, utilize these two kinds of many stop-band filters of resonator design simultaneously unwanted parasitic stopband to be controlled so that the antenna overall volume is less.Therefore utilize these two kinds of resonators can design the stopband that to coordinate.
Summary of the invention
Technical problem: the objective of the invention is to propose a kind of multi-attenuation band ultra-wideband aerial that adopts plane electric circuit technology based on miniaturization dual-mode resonator and Zero order resonator, not only have the ultra broadband characteristic, and the good restraining effect is arranged for the interference signal of a plurality of frequencies.That this antenna has is simple in structure, volume is small and exquisite, satisfies the integrated requirement of planar circuit, and have cost low, be convenient to advantage such as batch process, therefore be applicable to multiple jamproof ultra wideband applications occasion.
Technical scheme: designed antenna comprises semiellipse dish antenna and bimodulus step electric impedance resonator, zeroth order splitting ring resonator coupling feed structure two parts, has ultra broadband bandwidth of operation (1-6.05GHz).Simultaneously, be coupled, constitute filter,, just can form ultra-wideband antenna with many stopband characteristics with this filter and disk aerial cascade with a plurality of stopbands by two kinds of resonators and feeder line.This Antenna Design utilizes the microwave-medium substrate to realize based on the plane electric circuit technology, adopts feed microstrip line, and volume is small and exquisite, and it is integrated to be fit to level.Simultaneously, bimodulus step electric impedance resonator and zeroth order splitting ring resonator have ripe design formula, therefore, and design processes simplified greatly in many stopbands Antenna Design.
The multi-attenuation band ultra-wideband aerial that the present invention is based on miniaturization dual-mode resonator and Zero order resonator adopts following technical scheme: this antenna comprises a dielectric substrate and the lower surface coat of metal that covers in the dielectric substrate upper and lower surface, the upper surface coat of metal; The lower surface coat of metal is the ground of feeder line part, has adopted the design of isosceles trapezoid, to satisfy the impedance matching demand between feeder line and the antenna radiation unit; The upper surface coat of metal has comprised following a few part: antenna radiation unit, feeder line, the first bimodulus step electric impedance resonator, the second bimodulus step electric impedance resonator, the 3rd bimodulus step electric impedance resonator, zeroth order splitting ring resonator, wherein, antenna radiation unit adopts semicircle to reduce the overall dimensions of antenna, disk does not have metal ground behind and distributes, and this unit form has the ultra broadband characteristic; Feeder line is the microstrip line form, and has adopted the straight corner of L type, has also adopted transition line to improve the impedance matching performance with the antenna radiation unit joining part; The first bimodulus step electric impedance resonator, the second bimodulus step electric impedance resonator, the 3rd bimodulus step electric impedance resonator and splitting ring resonator are arranged in the feeder line both sides respectively and are coupled with it and constitute many stop-band filters; The grounded part of the first bimodulus step electric impedance resonator, the second bimodulus step electric impedance resonator, the 3rd bimodulus step electric impedance resonator has adopted the metal throuth hole realization.
Each bimodulus step electric impedance resonator is by two sections microstrip lines with different characteristic impedance and electrical length formation that links to each other, end open circuit, other end short circuit.Short-circuit end is realized by metal throuth hole ground connection.All step electric impedance resonators and all parallel coupling of splitting ring resonator with feeder line.
The stopband characteristic that characteristic impedance by regulating each section of step electric impedance resonator and electrical length can realize several different frequencies; Also can realize a single stopband characteristic by the physical size of regulating the splitting ring resonator.The stopband that combination is produced by several resonators can be so that the antenna general performance goes out five stopband characteristics.
Beneficial effect: the present invention has following advantage:
1. antenna has ultra broadband characteristic (1-6.05GHz), can satisfy the ultra-wideband communication system requirement; Simultaneously, antenna can produce the stopband of five frequencies, has anti-multifrequency point jamming performance.
2. the frequency of antenna stopband can utilize bimodulus step electric impedance resonator and zeroth order splitting ring resonator design formula to calculate the physical dimension of resonator, therefore has the stopband adjustability, therefore can satisfy the application of some interfering frequency special occasions.
3. the bimodulus step electric impedance resonator is compared with traditional resonance structure with zeroth order splitting ring resonator and is had the little characteristics of volume.Therefore, utilizing the antenna of these two kinds of resonator design is miniaturizations.Simultaneously, antenna adopts microstrip line as feeder line, can make things convenient for the microwave planar circuit height integratedly, is fit to mobile compact apparatus and uses.
4. the each several part of entire antenna becomes one, and is simple in structure, all utilizes the PCB explained hereafter, and cost is low, precision is high, good reproducibility, is fit to produce in enormous quantities.
Description of drawings
Fig. 1 is the structural representation based on the multi-attenuation band ultra-wideband aerial of miniaturization dual-mode resonator and Zero order resonator, and wherein Fig. 1 a is the Facad structure schematic diagram, and Fig. 1 b is the side structure schematic diagram.
Fig. 2 is insertion loss (Return Loss) measurement result of embodiment 1.
Fig. 3 is standing wave ratio of input voltage (VSWR) measurement result of embodiment 1.
The lower surface coat of metal 2, the upper surface coat of metal 3, antenna radiation unit 4, feeder line part 5, L type coupling part 6, transition line 7, the first bimodulus step electric impedance resonators 8, the second bimodulus step electric impedance resonator 9, the 3rd bimodulus step electric impedance resonator 10, zeroth order splitting ring resonator 11, metal throuth hole 12.
Embodiment
Antenna proposed by the invention is made of the radiating element of semiellipse form and the many stop-band filters that are made of bimodulus step electric impedance resonator and zeroth order splitting ring resonator.The ultra broadband characteristic of antenna depends on the form of radiating element and the impedance matching of feeder line and radiating element.Therefore, there have various ways to have a radiating element of ultra broadband characteristic to be available, and common has: rectangle circle, ellipse, half elliptic etc.Impedance matching between radiating element and the feeder line can realize by gradual change feeder line or gradual change metal ground form.On the other hand, many stopband characteristics of antenna are then realized by bimodulus step electric impedance resonator and zeroth order splitting ring resonator coupling feed structure.The frequency of stopband can change by the adjusting to bimodulus step electric impedance resonator and zeroth order splitting ring resonator physical size, and has the ripe design formula can be for reference, and this just makes design work greatly simplify.The radiating element that will have a ultra broadband characteristic combines with above-mentioned many stop-band filters all can realize multi-attenuation band ultra-wideband aerial.In addition, bimodulus step electric impedance resonator and zeroth order splitting ring resonator all have the little characteristics of volume, and the structure of both and feeder line coupling can carry out adjustment on shape and the layout according to the design needs, to satisfy the requirement of circuit miniaturization and compact layout.
Multi-attenuation band ultra-wideband aerial based on miniaturization dual-mode resonator and Zero order resonator comprises a dielectric substrate 1 and the lower surface coat of metal 2 that covers in dielectric substrate 1 upper and lower surface, the upper surface coat of metal 3; The lower surface coat of metal 2 is the ground of feeder line part, has adopted the design of isosceles trapezoid, to satisfy the impedance matching demand between feeder line 5 and the antenna radiation unit 4; The upper surface coat of metal 3 has comprised following a few part: antenna radiation unit 4, feeder line 5, the first bimodulus step electric impedance resonator 8, the second bimodulus step electric impedance resonator 9, the 3rd bimodulus step electric impedance resonator 10, zeroth order splitting ring resonator 11, wherein, antenna radiation unit 4 adopts semicircle to reduce the overall dimensions of antenna, disk does not have metal ground 2 behind and distributes, and this unit form has the ultra broadband characteristic; Feeder line 5 is the microstrip line form, and has adopted the straight corner 6 of L type, has also adopted transition line 7 to improve the impedance matching performance with antenna radiation unit 4 joining parts; The first bimodulus step electric impedance resonator 8, the second bimodulus step electric impedance resonator 9, the 3rd bimodulus step electric impedance resonator 10 and splitting ring resonator 11 are arranged in feeder line 5 both sides respectively and are coupled with it and constitute many stop-band filters; The grounded part of the first bimodulus step electric impedance resonator 8, the second bimodulus step electric impedance resonator 9, the 3rd bimodulus step electric impedance resonator 10 has adopted metal throuth hole 12 to realize.
Antenna structure as shown in Figure 1, dimensional units is mm.The sizes of substrate of this embodiment is 150 * 104.2 * 1.What the antenna of actual measurement inserted loss (Return Loss) and standing wave ratio of input voltage (VSWR) the results are shown in Fig. 2 and Fig. 3.
Designed antenna example comprises half elliptic antenna and many stop-band filters two parts.Wherein many stop-band filters are by the realization that is coupled of a plurality of bimodulus step electric impedance resonators (Stepped Impedance Resonators SIRs) and a zeroth order splitting ring resonator (Split Ring Resonators SRRs) and feeder line.Antenna have ultra-wideband antenna bandwidth of operation (1-6.05GHz) and five stopbands (1.28-1.39,1.51-1.61,2.99-3.11,4.02-4.35,4.88-5.16GHz).
Claims (1)
1. multi-attenuation band ultra-wideband aerial based on miniaturization dual-mode resonator and Zero order resonator, it is characterized in that this antenna comprises a dielectric substrate (1), with the lower surface coat of metal (2) that covers in dielectric substrate (1) upper and lower surface, the upper surface coat of metal (3); The lower surface coat of metal (2) is the ground of feeder line part, has adopted the design of isosceles trapezoid, to satisfy the impedance matching demand between feeder line (5) and the antenna radiation unit (4); The upper surface coat of metal (3) has comprised following a few part: antenna radiation unit (4), feeder line (5), the first bimodulus step electric impedance resonator (8), the second bimodulus step electric impedance resonator (9), the 3rd bimodulus step electric impedance resonator (10), zeroth order splitting ring resonator (11), wherein, antenna radiation unit (4) adopts semicircle to reduce the overall dimensions of antenna, disk does not have metal ground (2) behind and distributes, and this unit form has the ultra broadband characteristic; Feeder line (5) is the microstrip line form, and has adopted the straight corner (6) of L type, has also adopted transition line (7) to improve the impedance matching performance with antenna radiation unit (4) joining part; The first bimodulus step electric impedance resonator (8), the second bimodulus step electric impedance resonator (9), the 3rd bimodulus step electric impedance resonator (10) and splitting ring resonator (11) are arranged in feeder line (5) both sides respectively and are coupled with it and constitute many stop-band filters; The grounded part of the first bimodulus step electric impedance resonator (8), the second bimodulus step electric impedance resonator (9), the 3rd bimodulus step electric impedance resonator (10) has adopted metal throuth hole (12) to realize.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101242939A CN101320840B (en) | 2008-06-24 | 2008-06-24 | Multi-stop band ultra-wideband antenna based on miniaturization double module resonator |
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| CN2008101242939A CN101320840B (en) | 2008-06-24 | 2008-06-24 | Multi-stop band ultra-wideband antenna based on miniaturization double module resonator |
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Cited By (9)
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| CN101794930B (en) * | 2010-01-07 | 2014-04-16 | 东莞市苏普尔电子科技有限公司 | Realization method for controlling signal shunting and novel power divider structure |
| CN103840259A (en) * | 2012-11-20 | 2014-06-04 | 广达电脑股份有限公司 | Antenna system |
| CN104538713A (en) * | 2014-12-09 | 2015-04-22 | 中国电子科技集团公司第十六研究所 | Micro-strip elliptic function band rejection filter |
| CN104681972A (en) * | 2015-02-15 | 2015-06-03 | 重庆大学 | Slot-loaded ultra-broadband monopole antenna simultaneously with stable directional diagram and high out-of-band rejection capability |
| CN104852140A (en) * | 2014-02-14 | 2015-08-19 | 明泰科技股份有限公司 | Resonant circuit capable of inhibiting interference between high-frequency connector and antenna |
| CN104871368A (en) * | 2013-01-24 | 2015-08-26 | 株式会社诺伊兹研究所 | Antenna |
| CN106816696A (en) * | 2016-12-26 | 2017-06-09 | 深圳大学 | A kind of Vivaldi antennas |
| CN110635234A (en) * | 2019-09-24 | 2019-12-31 | 环鸿电子（昆山）有限公司 | Antenna structure |
| CN116031599A (en) * | 2022-12-14 | 2023-04-28 | 天津大学 | Filter based on dielectric integrated suspension line composite resonator |
Family Cites Families (4)
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| KR20000068078A (en) * | 1997-06-06 | 2000-11-25 | 비센트 비.인그라시아 | Planar antenna with patch radiators for wide bandwidth and pass band function |
| US6501439B2 (en) * | 2000-05-26 | 2002-12-31 | Tyco Electronics Logistics Ag | Flexible substrate wide band, multi-frequency antenna system |
| GB0209818D0 (en) * | 2002-04-30 | 2002-06-05 | Koninkl Philips Electronics Nv | Antenna arrangement |
| US7830330B2 (en) * | 2004-03-25 | 2010-11-09 | Nxp B.V. | Antenna configuration |
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2008
- 2008-06-24 CN CN2008101242939A patent/CN101320840B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101794930B (en) * | 2010-01-07 | 2014-04-16 | 东莞市苏普尔电子科技有限公司 | Realization method for controlling signal shunting and novel power divider structure |
| CN103840259A (en) * | 2012-11-20 | 2014-06-04 | 广达电脑股份有限公司 | Antenna system |
| CN103840259B (en) * | 2012-11-20 | 2016-06-01 | 广达电脑股份有限公司 | Antenna system |
| CN104871368B (en) * | 2013-01-24 | 2017-08-22 | 株式会社诺伊兹研究所 | Antenna |
| CN104871368A (en) * | 2013-01-24 | 2015-08-26 | 株式会社诺伊兹研究所 | Antenna |
| CN104852140A (en) * | 2014-02-14 | 2015-08-19 | 明泰科技股份有限公司 | Resonant circuit capable of inhibiting interference between high-frequency connector and antenna |
| CN104852140B (en) * | 2014-02-14 | 2018-01-05 | 明泰科技股份有限公司 | The resonant circuit of the interference between high frequency connectors and antenna can be suppressed |
| CN104538713A (en) * | 2014-12-09 | 2015-04-22 | 中国电子科技集团公司第十六研究所 | Micro-strip elliptic function band rejection filter |
| CN104538713B (en) * | 2014-12-09 | 2017-06-06 | 中国电子科技集团公司第十六研究所 | A kind of micro-strip elliptic function bandstop filter |
| CN104681972A (en) * | 2015-02-15 | 2015-06-03 | 重庆大学 | Slot-loaded ultra-broadband monopole antenna simultaneously with stable directional diagram and high out-of-band rejection capability |
| CN104681972B (en) * | 2015-02-15 | 2017-06-23 | 重庆大学 | There is the groove loading ultra-wideband monopole antenna of stabilising direction figure and good Out-of-band rejection ability simultaneously |
| CN106816696A (en) * | 2016-12-26 | 2017-06-09 | 深圳大学 | A kind of Vivaldi antennas |
| CN106816696B (en) * | 2016-12-26 | 2019-07-26 | 深圳大学 | A kind of Vivaldi antenna |
| CN110635234A (en) * | 2019-09-24 | 2019-12-31 | 环鸿电子（昆山）有限公司 | Antenna structure |
| CN116031599A (en) * | 2022-12-14 | 2023-04-28 | 天津大学 | Filter based on dielectric integrated suspension line composite resonator |
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| CN101320840B (en) | 2012-02-22 |
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