CN202172118U - UWB band-notch antenna based on complementary diffractive ring resonator - Google Patents
UWB band-notch antenna based on complementary diffractive ring resonator Download PDFInfo
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- CN202172118U CN202172118U CN2011201411614U CN201120141161U CN202172118U CN 202172118 U CN202172118 U CN 202172118U CN 2011201411614 U CN2011201411614 U CN 2011201411614U CN 201120141161 U CN201120141161 U CN 201120141161U CN 202172118 U CN202172118 U CN 202172118U
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Abstract
Provided is a UWB (Ultra Wide Band) band-notch antenna based on a complementary split ring resonator, comprising a medium substrate (1), a metal coating layer (4) covering on the lower surface of the medium substrate (1), an antenna radiation unit (2) engraved with a complementary split ring resonator(5) and a feed line (3) and characterized in that the metal coating layer (4) is a grounding conducting surface, and the back of the antenna radiation unit (2) has no metal layers; the feed line (3) employs a microstrip line mode and realizes impedance match with the antenna radiation unit (2); the complementary split ring resonator(5) is engraved on the antenna radiation unit (2) and is composed of an internal split ring and an external split ring, wherein the opening direction of the external split ring (7) is close to the feed line, and the opening direction of the internal split ring (6) is far from the feed line.
Description
Technical field:
The utility model relates to a kind of ultra broadband band based on complementary driffractive ring resonator that is applied to wireless communication technology field and falls into the antenna synthesis designing technique.
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 microwave integrated circuit.
But along with the development of various communication systems, frequency alias has appearred in ultra-wideband communication system and other same frequency system, so the development of radio ultra wide band system faces the problem that interferes with each other between system with regard to having to.For example, in the frequency band of ultra-wideband communication system work (U.S. FCC assert UWB frequency band be 3.1GHz-10.6GHz), with regard to the band signal of the 5.8GHz of the interference signal problem WLAN WLAN that has CF.For fear of the interference of these frequency signals, in the design of ultra-wideband communication system, can have the ultra-wideband antenna realization that band falls into characteristic through adding corresponding band resistance-trap filter or design.
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 at CF generation resonance and near resonance and fall into phenomenon.In microstrip structure, consider the electromagnetic field characteristic distributions of little band, complementary driffractive ring resonator 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 broadband band and fall into antenna, not only have the ultra broadband characteristic, and have the sunken performance of good band based on complementary driffractive ring resonator.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 ultra broadband band of realizing based on complementary driffractive ring resonator of the utility model falls into the characteristic antenna; This antenna is made up of the coat of metal, the antenna radiation unit that is carved with complementary driffractive ring resonator and several parts of feeder line that a dielectric substrate, dielectric substrate lower surface cover, realizes on the microwave-medium substrate through printed-board technology; It is characterized in that: described metal coating 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; Complementary driffractive ring resonator is etched on the antenna radiation unit; Complementary driffractive ring resonator is made up of inside and outside two splitting rings, and wherein the opening direction of outer shroud is near feeder line, and the opening direction of interior ring is away from feeder line.
The antenna radiation unit that falls into antenna based on the ultra broadband band of complementary driffractive ring resonator is circular arc, rectangle, triangle, ellipse or semicircle.
The outer shroud and the interior ring that fall into the complementary driffractive ring resonator of antenna based on the ultra broadband band of complementary driffractive ring resonator be circle or square.
Beneficial effect:
1. antenna has the ultra broadband characteristic, can satisfy the ultra-wideband communication system requirement; The band that the while antenna can produce a frequency falls into, and has anti-specific frequency interference characteristic.
2. the band of antenna falls into shape, size and the etching position free adjustment that characteristic can be passed through the complementary driffractive ring resonator of adjustment, promptly have band and fall into modulability, therefore can satisfy the application of some interfering frequency special occasions.
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 backsight face sketch map of the structure of the utility model antenna,
Fig. 3 is the sketch map of the microstrip structure of complementary driffractive ring resonator,
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, 3 curves are 4,6 respectively, the test result during 9GHz,
Fig. 6 (b) be embodiment H face directional diagram, 3 curves are 4,6 respectively, the test result during 9GHz,
Have in the above picture: dielectric substrate 1, antenna radiation unit 2, feeder line part 3, the lower surface coat of metal 4, complementary driffractive ring resonator 5 (containing outer shroud 7 and interior ring 6).
Embodiment:
The ultra broadband band based on complementary driffractive ring resonator realization of the utility model falls into the characteristic antenna to be made up of the coat of metal 4, the antenna radiation unit 2 that is carved with complementary driffractive ring resonator 5 and feeder line more than 3 parts that a dielectric substrate 1, dielectric substrate 1 lower surface cover, realizes on the microwave-medium substrate through printed-board technology; It is characterized in that: described metal coating 4 is 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; Complementary driffractive ring resonator 5 is etched on the antenna radiation unit 2; Complementary driffractive ring resonator 5 is made up of inside and outside two splitting rings, and wherein the opening direction of outer shroud 7 is near feeder line, and the opening direction of interior ring 6 is away from feeder line.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.
The antenna radiation unit 2 that described ultra broadband band based on complementary driffractive ring resonator falls into antenna is circular arc, rectangle, triangle, ellipse or semicircle.
The outer shroud 7 that described ultra broadband band based on complementary driffractive ring resonator falls into the complementary driffractive ring resonator 5 of antenna is circular or square with interior ring 6.
Antenna structure is as shown in Figure 1, and dimensional units is mm.The sizes of substrate of this embodiment is 41 * 34 * 0.762.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. the ultra broadband band based on complementary driffractive ring resonator falls into antenna, and this antenna is made up of the coat of metal (4), the antenna radiation unit (2) that is carved with complementary driffractive ring resonator (5) and several parts of feeder line (3) that a dielectric substrate (1), dielectric substrate (1) lower surface cover; It is characterized in that: described metal coating (4) 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); Complementary driffractive ring resonator (5) is etched on the antenna radiation unit (2); Complementary driffractive ring resonator (5) is made up of inside and outside two splitting rings, and wherein the opening direction of outer shroud (7) is near feeder line, and the opening direction of interior ring (6) is away from feeder line.
2. the ultra broadband band based on complementary driffractive ring resonator according to claim 1 falls into antenna, it is characterized in that: described antenna radiation unit (2) is circular arc, rectangle, triangle, ellipse or semicircle.
3. the ultra broadband band based on complementary driffractive ring resonator according to claim 1 falls into antenna, it is characterized in that: the outer shroud (7) of described complementary driffractive ring resonator (5) and interior ring (6) are for circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201411614U CN202172118U (en) | 2011-04-26 | 2011-04-26 | UWB band-notch antenna based on complementary diffractive ring resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201411614U CN202172118U (en) | 2011-04-26 | 2011-04-26 | UWB band-notch antenna based on complementary diffractive ring resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172118U true CN202172118U (en) | 2012-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201411614U Expired - Fee Related CN202172118U (en) | 2011-04-26 | 2011-04-26 | UWB band-notch antenna based on complementary diffractive ring resonator |
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| CN (1) | CN202172118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728542A (en) * | 2014-01-02 | 2014-04-16 | 国家电网公司 | Forbidden band ultra-high-frequency sensor used for spatial orientation of discharging source of transformer substation |
| CN114696098A (en) * | 2020-12-29 | 2022-07-01 | ***通信集团终端有限公司 | Plane ultra-wideband antenna |
-
2011
- 2011-04-26 CN CN2011201411614U patent/CN202172118U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728542A (en) * | 2014-01-02 | 2014-04-16 | 国家电网公司 | Forbidden band ultra-high-frequency sensor used for spatial orientation of discharging source of transformer substation |
| CN114696098A (en) * | 2020-12-29 | 2022-07-01 | ***通信集团终端有限公司 | Plane ultra-wideband antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120321 Termination date: 20130426 |