CN202121063U - Ultra wide band microstrip antenna based on complementary split ring resonator for realizing suppressing harmonic wave - Google Patents
Ultra wide band microstrip antenna based on complementary split ring resonator for realizing suppressing harmonic wave Download PDFInfo
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- CN202121063U CN202121063U CN2011201593025U CN201120159302U CN202121063U CN 202121063 U CN202121063 U CN 202121063U CN 2011201593025 U CN2011201593025 U CN 2011201593025U CN 201120159302 U CN201120159302 U CN 201120159302U CN 202121063 U CN202121063 U CN 202121063U
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- driffractive ring
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Abstract
An ultra wide band microstrip antenna based on a complementary split ring resonator for realizing suppressing harmonic wave comprises a block of medium substrate (1), a metal crossing layer (4) which is carved with a first complementary split ring resonator (6) and a second complementary split ring resonator (9) and is covered on a lower surface of the medium substrate, an antenna radiation unit (2) and a feed line (3), wherein the metal crossing layer (4) is a grounding conducting surface, the back of the antenna radiation unit (2) is not provided with a metal layer, a microstrip line form is adopted for the feed line (3), impedance match is realized between the feed line (3) and the antenna radiation unit (2), the first complementary split ring resonator (6) and the second complementary split ring resonator (9) are carved on the metal crossing layer (4), and the first complementary split ring resonator (6) and the second complementary split ring resonator (9) are both composed of an inner split ring and an outer split ring, wherein the opening direction of the outer ring is far from the ground wire, and the opening direction of the inner ring is close to the ground wire.
Description
Technical field:
The utility model relates to a kind of ultra-wideband microstrip antenna comprehensive Design technology based on complementary driffractive ring resonator realization inhibition harmonic wave that is applied to wireless communication technology field.
Background technology:
In recent years, ultra broadband (UWB) short-distance wireless communication had caused that the global communication technical field paid attention to greatly.Ultra broadband (UWB) technology is compared with other communication technologys.Ultra-wideband Communication Technology is high with its efficiency of transmission, the anti-multipath interference performance is strong, help advantage such as multifunctional all becomes radio communication and has one of technology of competitiveness and development prospect.Simultaneously super-broadband tech has that the signal power spectrum density is low, high security, advantage such as is difficult for detecting, the system complex degree is low, is particularly useful for the indoor high-speed radio in multi-path dense place that waits and inserts and military communication.Ultra-wideband antenna structure of the prior art; Like traveling-wave antenna, logarithm periodic antenna, equiangular spiral antenna etc.; These antenna can be realized the working band of several octaves; But these classical ultra-wideband antenna structures all have a common shortcoming, and promptly the physical dimension of this narrow-band antenna of the same type wants big many, has satisfied not the little requirement of UWB system configuration.To the development and the application of Ultra-wideband Communication Technology system, need the novel ultra-wideband antenna of development, as: standing-wave ratio is little, gain is high, volume is little, cost is low, section is low and it is integrated etc. to be convenient to.Microstrip antenna is that a kind of standing-wave ratio is little, gain is high, volume is little, cost is low, section is low, be convenient to integrated microwave communication antenna, can be widely used in the mobile phone circuit.
In the application of reality, the harmonic wave of microstrip antenna becomes a factor that influences its performance.In order to overcome this shortcoming of microstrip antenna.The researcher has proposed certain methods in succession.Mainly contain adopt pbg structure suppress microstrip antenna harmonic wave, the effect of adopting the DGS low pass filter to reach the microstrip antenna harmonic wave to suppress, adopt a kind of small microstrip resonant element to realize the inhibition of antenna second harmonic, adopt fractal EBG to suppress harmonic wave etc. with wide stopband.
The complementary driffractive ring resonator that occurs recently can produce negative dielectric constant and magnetic permeability.With alternating electric field along resonant ring axially to complementary driffractive ring resonator excitation, can make it produce band resistance phenomenon at CF generation resonance and near resonance.In microstrip structure, consider the electromagnetic field characteristic distributions of little band, CSRR is etched in waveguide central authorities or bottom, and the electric field that can make full use of microstrip structure encourages and does not increase circuit size, is suitable for the miniaturization of microstrip circuit.
Summary of the invention:
The purpose of the utility model is:
Propose a kind of ultra-wideband microstrip antenna, not only have the ultra broadband characteristic, and have the performance of good inhibition harmonic wave based on complementary driffractive ring resonator realization inhibition harmonic wave.This antenna has simple in structure, advantages of small volume, is convenient to the characteristic integrated with circuit board of mobile phone, and has low cost, is convenient to advantages such as batch process, can be applicable to multiple ultra wideband applications occasion.
In order to realize the purpose of the utility model, intend the following method that adopts:
The metal that is carved with the first complementary driffractive ring resonator and the second complementary driffractive ring resonator that the ultra-wideband microstrip antenna of the inhibition harmonic wave of realizing based on complementary driffractive ring resonator of the utility model is covered by a dielectric substrate, dielectric substrate lower surface crosses layer, antenna radiation unit and several parts of feeder line to be formed, and realizes on the microwave-medium substrate through the PCB technology; Wherein, metal crosses layer and is the ground connection conducting surface, and antenna radiation unit does not have metal level behind; Feeder line partly adopts the microstrip line form, realizes impedance matching between feeder line part and the antenna radiation unit; The first complementary driffractive ring resonator and the second complementary driffractive ring resonator are etched on the coat of metal; The first complementary driffractive ring resonator is made up of inside and outside two splitting rings, and wherein the opening direction of outer shroud one is away from ground wire, and the opening direction of interior ring one is near ground wire; The second complementary driffractive ring resonator is made up of inside and outside two splitting rings, and wherein the opening direction of outer shroud two is away from ground wire, and the opening direction of interior ring two is near ground wire.
Described antenna radiation unit is square, pentagon, and triangle, oval or semicircle.
The outer shroud one (7) of the first complementary driffractive ring resonator (6) of described ultra-wideband microstrip antenna and interior ring one (8) are circular or square; The outer shroud two (10) of the described second complementary driffractive ring resonator (9) and interior ring two (11) are circular or square.
Beneficial effect:
1. antenna has the ultra broadband characteristic, can satisfy the ultra-wideband communication system requirement; Antenna can produce the stopband of two frequencies simultaneously, has the good inhibition second harmonic and the performance of triple-frequency harmonics.
2. therefore the performance of antenna inhibition harmonic wave can satisfy the application of the special occasions of some electromagnetic interference through shape, size and the etching position free adjustment of the complementary driffractive ring resonator of adjustment.
3. the complementary driffractive ring resonator that is etched on the antenna has the left hand architectural characteristic, not only has high quality factor, can produce sharp-pointed stopband characteristic, and can not increase the additional size of antenna.
4. the each several part of entire antenna is integrated, and is simple in structure, all utilizes printed circuit board (PCB) (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 face of the facing sketch map of the structure of the utility model antenna,
Fig. 2 is the metal ground plane that is carved with two complementary driffractive ring resonators that is printed on the dielectric substrate lower surface,
Fig. 3 is the frequency response test result of embodiment,
Fig. 4 is the XOZ plane pattern of embodiment, and curve is the reflection loss test result,
Fig. 5 is the YOZ plane pattern of embodiment, curve voltage standing wave ratio test result,
Fig. 6 (a) be embodiment E face directional diagram, the test result when curve is 2.25GHz,
Fig. 6 (b) be embodiment H face directional diagram, the test result when curve is 2.25GHz,
Have in the above picture: dielectric substrate 1, metal patch antenna 2, feeder line 3, the lower surface coat of metal 4, the first complementary driffractive ring resonators 6 (containing outer shroud 1 and interior ring 1), the second complementary driffractive ring resonator 9 (containing outer shroud 2 10 and interior ring 2 11).
Embodiment:
The metal that is carved with the first complementary driffractive ring resonator 6 and the second complementary driffractive ring resonator 9 that the ultra-wideband microstrip antenna of the inhibition harmonic wave of realizing based on complementary driffractive ring resonator of the utility model is covered by a dielectric substrate 1, dielectric substrate lower surface crosses layer 4, antenna radiation unit 2 and feeder line more than 3 parts to be formed, and realizes on the microwave-medium substrate through the PCB technology; Wherein, metal crosses layer 4 for the ground connection conducting surface, and the antenna radiation unit 2 that is used to receive and send signal does not have metal level behind; Feeder line part 3 adopts the microstrip line form, realizes impedance matching between feeder line part 3 and the antenna radiation unit 2; The first complementary driffractive ring resonator 6 and the second complementary driffractive ring resonator 9 are etched on the coat of metal 4; The first complementary driffractive ring resonator 6 is made up of inside and outside two splitting rings, and wherein the opening direction of outer shroud 1 is away from ground wire, and the opening direction of interior ring 1 is near ground wire; The second complementary driffractive ring resonator 9 is made up of inside and outside two splitting rings, and wherein the opening direction of outer shroud 2 10 is away from ground wire, and the opening direction of interior ring 2 11 is near ground wire.Complementary driffractive ring resonator structure is compact, can produce the band resistance characteristic of CF, and therefore, this antenna has the characteristic and the anti-jamming capacity of miniaturization.
Described antenna radiation unit 2 is square, pentagon, and triangle, oval or semicircle.
The outer shroud 1 and the interior ring 1 of the described first complementary driffractive ring resonator 6 is circular or square; The outer shroud 2 10 and the interior ring 2 11 of the described second complementary driffractive ring resonator 9 is circular or square.
Antenna structure is as shown in Figure 1, and dimensional units is mm.The sizes of substrate of this embodiment is 60 * 60 * 1.72.The loss of actual measurement antenna-reflected, the directional diagram result of standing wave ratio of input voltage (VSWR) and H face and E face is shown in Fig. 3～Fig. 6.
Claims (3)
1. realize suppressing the ultra-wideband microstrip antenna of harmonic wave based on complementary driffractive ring resonator for one kind, the metal that is carved with the first complementary driffractive ring resonator (6) and the second complementary driffractive ring resonator (9) that this antenna is covered by a dielectric substrate (1), dielectric substrate lower surface crosses layer (4), antenna radiation unit (2) and several parts of feeder line (3) and forms; Wherein, metal crosses layer (4) and is the ground connection conducting surface, and antenna radiation unit (2) does not have metal level behind; Feeder line part (3) adopts the microstrip line form, realizes impedance matching between feeder line part (3) and the antenna radiation unit (2); The first complementary driffractive ring resonator (6) and the second complementary driffractive ring resonator (9) are etched on the coat of metal (4); The first complementary driffractive ring resonator (6) is made up of inside and outside two splitting rings, and wherein the opening direction of outer shroud one (7) is away from ground wire, and the opening direction of interior ring one (8) is near ground wire; The second complementary driffractive ring resonator (9) is made up of inside and outside two splitting rings, and wherein the opening direction of outer shroud two (10) is away from ground wire, and the opening direction of interior ring two (11) is near ground wire.
2. the ultra-wideband microstrip antenna based on complementary driffractive ring resonator realization inhibition harmonic wave according to claim 1, it is characterized in that: described antenna radiation unit (2) is square, pentagon, triangle, oval or semicircle.
3. the ultra-wideband microstrip antenna based on complementary driffractive ring resonator realization inhibition harmonic wave according to claim 1, it is characterized in that: the outer shroud one (7) of the described first complementary driffractive ring resonator (6) and interior ring one (8) are for circular or square; The outer shroud two (10) of the second complementary driffractive ring resonator (9) and interior ring two (11) are circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201593025U CN202121063U (en) | 2011-04-26 | 2011-04-26 | Ultra wide band microstrip antenna based on complementary split ring resonator for realizing suppressing harmonic wave |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201593025U CN202121063U (en) | 2011-04-26 | 2011-04-26 | Ultra wide band microstrip antenna based on complementary split ring resonator for realizing suppressing harmonic wave |
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| CN202121063U true CN202121063U (en) | 2012-01-18 |
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| CN2011201593025U Expired - Fee Related CN202121063U (en) | 2011-04-26 | 2011-04-26 | Ultra wide band microstrip antenna based on complementary split ring resonator for realizing suppressing harmonic wave |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466399A (en) * | 2013-09-22 | 2015-03-25 | 中兴通讯股份有限公司 | Microstrip antenna, method for filtering out interference signals and mobile terminal |
| WO2015043187A1 (en) * | 2013-09-26 | 2015-04-02 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN106159435A (en) * | 2015-04-15 | 2016-11-23 | 北方工业大学 | Ultra-wideband fractal antenna |
| CN107799890A (en) * | 2017-09-22 | 2018-03-13 | 天津大学 | Shape multifrequency wearable antenna is divided on a kind of five sides with electro-magnetic bandgap |
| CN115714268A (en) * | 2022-11-15 | 2023-02-24 | 北京星英联微波科技有限责任公司 | Low-profile SWB ultra-wideband antenna and array thereof |
| CN116722342A (en) * | 2023-08-09 | 2023-09-08 | 安徽蓝讯通信科技有限公司 | Millimeter wave filtering super-surface antenna module and communication equipment |
-
2011
- 2011-04-26 CN CN2011201593025U patent/CN202121063U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466399A (en) * | 2013-09-22 | 2015-03-25 | 中兴通讯股份有限公司 | Microstrip antenna, method for filtering out interference signals and mobile terminal |
| CN104466399B (en) * | 2013-09-22 | 2019-03-05 | 中兴通讯股份有限公司 | Method, the mobile terminal of a kind of microstrip antenna and its filtering interference signals |
| WO2015043187A1 (en) * | 2013-09-26 | 2015-04-02 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN104518278A (en) * | 2013-09-26 | 2015-04-15 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN106159435A (en) * | 2015-04-15 | 2016-11-23 | 北方工业大学 | Ultra-wideband fractal antenna |
| CN106159435B (en) * | 2015-04-15 | 2019-06-25 | 北方工业大学 | Ultra-wideband fractal antenna |
| CN107799890A (en) * | 2017-09-22 | 2018-03-13 | 天津大学 | Shape multifrequency wearable antenna is divided on a kind of five sides with electro-magnetic bandgap |
| CN115714268A (en) * | 2022-11-15 | 2023-02-24 | 北京星英联微波科技有限责任公司 | Low-profile SWB ultra-wideband antenna and array thereof |
| CN116722342A (en) * | 2023-08-09 | 2023-09-08 | 安徽蓝讯通信科技有限公司 | Millimeter wave filtering super-surface antenna module and communication equipment |
| CN116722342B (en) * | 2023-08-09 | 2023-10-10 | 安徽蓝讯通信科技有限公司 | Millimeter wave filtering super-surface antenna module and communication equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20120426 |