CN105762502A - Double trapped wave UWB antenna provided with spiral ring-shaped resonator - Google Patents
Double trapped wave UWB antenna provided with spiral ring-shaped resonator Download PDFInfo
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- CN105762502A CN105762502A CN201410796977.9A CN201410796977A CN105762502A CN 105762502 A CN105762502 A CN 105762502A CN 201410796977 A CN201410796977 A CN 201410796977A CN 105762502 A CN105762502 A CN 105762502A
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Abstract
The invention discloses a double trapped wave UWB antenna provided with spiral ring resonators. The antenna provided by the invention is composed of a medium substrate (1), a radiation unit (2), a coplanar waveguide signal feed micro-strip line (4), coplanar waveguide ground planes (5) and spiral ring resonator (3). The radiation unit, the coplanar waveguide signal feed micro-strip line, the coplanar waveguide ground plane (5) and the spiral ring resonators are printed on the upper surface of the medium substrate. The radiation unit is disposed in the middle part of the medium substrate. The coplanar waveguide signal feed micro-strip line (4) is led to the radiation unit from the edge of the medium substrate and is connected with the radiation unit. The two coplanar waveguide ground planes are fixed on two sides of the coplanar waveguide signal feed micro-strip line separately and are spaced from the micro-strip line. The two spiral ring resonators are disposed on two side of the radiation unit and are spaced from the radiation unit. According to the invention, by adding the spiral ring resonators on two sides of the radiation unit, an aims of realizing trapped wave characteristics while not affecting UWB antenna performance is realized. The antenna provided by the invention is compact in structure and small in size. Trapped wave frequency can be adjusted through adjusting and optimizing positions of the spiral ring resonators. A problem of common-frequency interference of a UWB communication system is solved.
Description
Technical field
The present invention designs a kind of antenna, it is specifically related to a kind of double; two trap UWB antennas with helical ring resonator, helical ring resonator is added, to realize trap characteristic and the purpose of UWB Antenna performance (S parameter is less than-10dB) that do not degenerate in radiating element both sides.
Background technology
Ultra broadband (UWB) antenna is widely used in business and the military field of communication system, because it has low cost, volume is little, it is easy to the characteristic of manufacture.And this structure can be made by camera technique, having good polarization characteristic, therefore this technology has been applied in the design of ultra-wideband antenna and the design of relevant microwave circuit components and parts.
The current frequency band shared by ultra-wideband communications is 3.1GHz to 10.6GHz, it and WLAN (5.15GHz-5.825GHz) have shared part, the ultra-wideband antenna that interference, design have trap characteristic is brought to become the focus of research at present it is thus desirable to the antenna of design can be reduced to WLAN.Suppress harmonic resonance and parasitic emission without suitable design, neighbouring equipment will be produced electromagnetic interference by antenna, jeopardizes system itself and the normal operation of contiguous system, particularly currently used LAN system is interfered.Interpolation wave filter is the most-often used method solving problems, but often cause antenna and microwave circuit not to mate, even reduce the overall efficiency of system, therefore design has the coplanar waveguide ultra wide band antenna of trap characteristic is one of important method solving this problem, solves the structure of current antenna and the problem that technics comparing is complicated simultaneously.
For many years, for the problem overcoming various UWB Antenna to interfere, mainly adopt on paster and ground, open variously-shaped groove.Nowadays several research groups attempt by Meta Materials resonator, and such as split-ring resonator (SRR) structure achieves the goal.Meta Materials resonator is regarded as the little resonator of the electricity with very high q value, and it has been used on the wave filter that special frequency channel builds sharp-pointed trap or passband, and the structure of helical ring resonator (SLR) is different from SRR, but fundamental mechanism is identical.
Description
It is an object of the invention to provide a kind of simple in construction, compact, a kind of double; two trap UWB antennas with helical ring resonator of broader bandwidth, this antenna can be used in the military equipments such as electronics investigation, electronic countermeasure and civil equipment, reduces the interference to WLAN (5.15～5.825GHz) band communication.
Technical solutions according to the invention are:
A kind of double, two trap UWB antennas with helical ring resonator, it is characterized in that: include medium substrate, radiating element, co-planar waveguide signal feed microstrip line, co-planar waveguide ground plane, helical ring resonator, described radiating element, co-planar waveguide signal feed band wire, co-planar waveguide ground plane, helical ring resonator is printed on medium substrate upper surface, described radiating element is positioned at the middle part of medium substrate, co-planar waveguide signal feed microstrip line guides radiating element into and connected from medium substrate edge, two panels co-planar waveguide ground plane is individually fixed in co-planar waveguide signal feed microstrip line both sides and has gap with microstrip line, two helical ring resonators are positioned at the both sides of radiating element and have gap with radiating element.
Described a kind of double; two trap UWB antennas with helical ring resonator, is characterized in that: described medium substrate is the length of side is the square structure of 38mm, and thickness is 0.812mm, and relative dielectric constant is 3.38.
Described a kind of double; two trap UWB antennas with helical ring resonator, it is characterized in that: described radiating element is outer radius is 10.5mm, and internal diameter is the cirque structure of 7mm, having a width in annular is the rectangle of 6mm, being connected with annulus top by feeding microstrip line, rectangular centre is the center of circle.
Described a kind of double; two trap UWB antennas with helical ring resonator, is characterized in that: described co-planar waveguide signal feed micro belt line width is 2.84mm.
Described a kind of double; two trap UWB antennas with helical ring resonator, is characterized in that: described co-planar waveguide ground plane is made up of at the rectangle structure metal of the square notch having the length of side to be 1.5mm of the Shang Jiaochu near microstrip line place two panels.
Described a kind of double; two trap UWB antennas with helical ring resonator, is characterized in that: described co-planar waveguide ground plane lays respectively at the both sides of microstrip line, and structure is completely the same, and base overlaps with medium substrate edge line, and from microstrip line 0.27mm.
Described a kind of double; two trap UWB antennas with helical ring resonator, it is characterized in that: described helical ring resonator is to be rotated by the rectangle structure that the length that width is 0.4mm is different to constitute for 7 times, base is parallel with medium substrate edge line and be 0.1mm from radiating element beeline, and the structure of two helical ring resonators is by parameter L1、L2、L3Determine, L1、L2、L3Value respectively 3.3mm, 0.4mm, 0.7mm.
Described a kind of double; two trap UWB antennas with helical ring resonator, is characterized in that: the center of described helical ring resonator is parallel with medium substrate edge line with the radiating element line of centres.
Beneficial effect:
(1) inventive antenna single layer printed circuit plate technique can realize, simple and compact for structure, compact, and easy to process, cost is low, and has good impedance bandwidth and trap characteristic, adds its scope of application.
(2) of the present invention at radiating element both sides placement helical ring resonator, by adjusting and optimize size and the position of helical ring resonator, adjustable trap frequency, realize ultra-wideband communications and the compatible communication for coordination of mutual interference communication system, eliminate the design of wave filter, reduce the complexity of design cost and system, improve the overall performance of system simultaneously, reduce overall volume.
(3) antenna designed by the present invention adopts co-planar waveguide, it is printed on medium substrate the same face, be conducive to integrated with microwave integrated circuit, involved antenna can improve according to the actual requirements voluntarily, the size of radiating element, distance etc. between co-planar waveguide ground plane and radiating element are set, improve the performance of antenna.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of double; two trap UWB antennas with helical ring resonator of the present invention；
Fig. 2 is the structural side view of a kind of double; two trap UWB antennas with helical ring resonator of the present invention；
Fig. 3 is the structural front view of a kind of double; two trap UWB antennas with helical ring resonator of the present invention；
Fig. 4 is the helical ring structural representation of a kind of double; two trap UWB antennas with helical ring resonator of the present invention.
Detailed description of the invention
As shown in Figure 1, a kind of novel a kind of double, two trap UWB antennas with helical ring resonator, its composition includes: medium substrate (1), radiating element (2), co-planar waveguide signal feed band wire (4), co-planar waveguide ground plane (5), helical ring resonator (3), described radiating element, co-planar waveguide signal feed band wire, co-planar waveguide ground plane, helical ring resonator is printed on medium substrate upper surface, described radiating element is positioned at the middle part of medium substrate, co-planar waveguide signal feed microstrip line guides radiating element into and connected from medium substrate edge, two panels co-planar waveguide ground plane is individually fixed in co-planar waveguide signal feed microstrip line both sides and has gap with microstrip line, two helical ring resonators are positioned at the both sides of radiating element and have gap with radiating element.
Described medium substrate is the length of side is the square structure of 38mm, and thickness is 0.812mm, and relative dielectric constant is 3.38, and on medium substrate, all structures are full symmetric about the left and right, axis of medium substrate.
Described radiating element is outer radius is 10.5mm, and internal diameter is the cirque structure of 7mm, and having a width in annular is the rectangle of 6mm, is connected with annulus top by feeding microstrip line, and rectangular centre is the center of circle.
Described co-planar waveguide signal feed micro belt line width is 2.84mm, and co-planar waveguide signal feed microstrip line guides radiating element into and connected from medium substrate edge, and length is 9.1mm, characteristic impedance 50 Ω.
Described co-planar waveguide ground plane lays respectively at the both sides of microstrip line, structure is completely the same, the rectangle structure metal of square notch is had to constitute by two panels at the upper angle near microstrip line place, two limits of rectangle structure overlap with medium substrate edge line, long limit and medium substrate base coincident, from microstrip line 0.27mm, minor face overlaps with medium substrate side, length is 8.8mm, the length of side 1.5mm of square notch.
The center of described helical ring resonator is parallel with medium substrate edge line with the radiating element line of centres, helical ring resonator is to be rotated by the rectangle structure of the different length of sides that width is 0.4mm to constitute for 7 times, and each rectangle and another lap are the length of side is the square of 0.4mm.The rectangular length of side of longest edge length is 3.3mm, is spaced apart 0.4mm between adjacent rectangle, and the shortest rectangle length of side is 1.4mm, and wherein 0.4mm overlaps with another rectangle, and is 0.1mm from radiating element beeline, namely as shown in Figure 4, and L1=3.3mm, L2=0.4mm, L3=0.7mm.
Claims (8)
1. double, two trap UWB antennas with helical ring resonator, it is characterized in that: include medium substrate, radiating element, co-planar waveguide signal feed microstrip line, co-planar waveguide ground plane, helical ring resonator, described radiating element, co-planar waveguide signal feed band wire, co-planar waveguide ground plane, helical ring resonator is printed on medium substrate upper surface, described radiating element is positioned at the middle part of medium substrate, co-planar waveguide signal feed microstrip line guides radiating element into and connected from medium substrate edge, two panels co-planar waveguide ground plane is individually fixed in co-planar waveguide signal feed microstrip line both sides and has gap with microstrip line, two helical ring resonators are positioned at the both sides of radiating element and have gap with radiating element.
2. a kind of double; two trap UWB antennas with helical ring resonator according to claim 1, is characterized in that: described medium substrate is the length of side is the square structure of 38mm, and thickness is 0.812mm, and relative dielectric constant is 3.38.
3. a kind of double; two trap UWB antennas with helical ring resonator according to claim 1, it is characterized in that: described radiating element is outer radius is 10.5mm, internal diameter is the cirque structure of 7mm, having a width in annular is the rectangle of 6mm, being connected with annulus top by feeding microstrip line, rectangular centre is the center of circle.
4. a kind of double; two trap UWB antennas with helical ring resonator according to claim 1, is characterized in that: described co-planar waveguide signal feed micro belt line width is 2.84mm.
5. a kind of double; two trap UWB antennas with helical ring resonator according to claim 1, it is characterized in that: described co-planar waveguide ground plane lays respectively at the both sides of microstrip line, structure is completely the same, and base overlaps with medium substrate edge line, and from microstrip line 0.27mm.
6. a kind of double; two trap UWB antennas with helical ring resonator according to claim 1, is characterized in that: described co-planar waveguide ground plane is made up of at the rectangle structure metal of the square notch having the length of side to be 1.5mm of the Shang Jiaochu near microstrip line place two panels.
7. a kind of double; two trap UWB antennas with helical ring resonator according to claim 1, it is characterized in that: described helical ring resonator is to be rotated by the rectangle structure that the length that width is 0.4mm is different to constitute for 7 times, base is parallel with medium substrate edge line and be 0.1mm from radiating element beeline, and the structure of two helical ring resonators is by parameter L1、L2、L3Determine, L1、L2、L3Value respectively 3.3mm, 0.4mm, 0.7mm.
8. a kind of double; two trap UWB antennas with helical ring resonator according to claim 1, is characterized in that: the center of described helical ring resonator is parallel with medium substrate edge line with the radiating element line of centres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796977.9A CN105762502A (en) | 2014-12-19 | 2014-12-19 | Double trapped wave UWB antenna provided with spiral ring-shaped resonator |
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| CN201410796977.9A CN105762502A (en) | 2014-12-19 | 2014-12-19 | Double trapped wave UWB antenna provided with spiral ring-shaped resonator |
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| CN105762502A true CN105762502A (en) | 2016-07-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019127412A1 (en) * | 2017-12-29 | 2019-07-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Harmonic control circuit apparatus and method for manufacturing the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019127412A1 (en) * | 2017-12-29 | 2019-07-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Harmonic control circuit apparatus and method for manufacturing the same |
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Application publication date: 20160713 |
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| WD01 | Invention patent application deemed withdrawn after publication |