CN103094680A - Five-notch ultra wide band antenna - Google Patents
Five-notch ultra wide band antenna Download PDFInfo
- Publication number
- CN103094680A CN103094680A CN201310019212XA CN201310019212A CN103094680A CN 103094680 A CN103094680 A CN 103094680A CN 201310019212X A CN201310019212X A CN 201310019212XA CN 201310019212 A CN201310019212 A CN 201310019212A CN 103094680 A CN103094680 A CN 103094680A
- Authority
- CN
- China
- Prior art keywords
- shape groove
- trap
- wide band
- ultra wide
- unit
- 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.)
- Pending
Links
Images
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention relates to a five-notch ultra wide band antenna and belongs to the technical field of wireless communication. The five-notch ultra wide band antenna comprises a medium plate (1), a radiating unit (2) printed on the same surface of the rectangular medium plate (1), a feed unit (10), a grounding unit (11), a big C-shaped groove (3) additionally formed in the radiating unit (2) of round metal chip, a C-shaped groove (7), a small C-shaped groove (4) nested in the C-shaped groove (3), open circuit branchknots (5 and 6), and U-shaped grooves (8 and 9) additionally formed in the trapezoid grounding unit, wherein the radiating unit (2) is directly connected with the feed unit (10). A gap (12) is arranged between the feed unit (10) and the grounding unit (11) and the coplanar waveguide feed is formed. The five-notch ultra wide band antenna has the advantages of being simple in structure, compact in size, low in wastage and cost, high in precision, and good in repeatability, performance of ultra wide band and notch property, capable of effectively filtering a plurality of signals and eliminating electromagnetic interference signals of a plurality of frequency channels, and suitable for small and portable ultra wide band (UWB) equipment.
Description
Technical field:
The present invention relates to a kind of five trap UWB antennas, belong to wireless communication technology field.
Background technology:
Since FCC was divided into the radio ultra wide band system frequency range with 3.1GHz-10.6 GHz frequency range, industrial quarters and academia had dropped into a large amount of research and effort in the Ultra-Wide Band Radio field.As an important component part of radio ultra wide band system, ultra-wideband antenna wideband impedance match, stable antenna pattern, miniaturization and low-cost aspect attracted research widely.
In the frequency range of existing UWB system assignment, there is the radio interference signal of a plurality of frequency ranges, for example: the descending satellite communication signal of X-band of the WLAN signal of the WiMAX signal of 3.3GHz-3.7GHz frequency range, 5.15GHz-5.35 GHz and 5.725 GHz-5.825 ghz band, 7.25 GHz-7.75 GHz and the ITU signal of 8.025 GHz-8.4 ghz bands.These signals can disturb radio ultra wide band system.The ultra-wideband antenna that therefore, need to be designed with trap function is eliminated these unnecessary interference.Yet in many traps antenna of having reported, the trap that contains is no more than three usually.
Five trap UWB antennas of the present invention's design by literature search, have no the open report identical with the present invention.
Summary of the invention:
The present invention provides a kind of miniaturization disc ultra-wideband antenna with five trap functions overcoming on prior art not enough basis.
Utilization of the present invention has the antenna filtering technique of band filter function, three C shape grooves of etching, two L shaped open circuit minor matters of increase on radiation patch, and on metal ground plate two U-lags of etching, reach the trap to 3.3GHz-3.7GHz, 5.15GHz-5.35 GHz, 5.725 GHz-5.825 GHz, 7.25 GHz-7.75 GHz, five wave bands of 8.025 GHz-8.4 GHz.In addition, antenna of the present invention has the structure (26mm*31.8mm*1.6mm) of compact, can be integrated into easily in UWB equipment.
Technical scheme of the present invention is as described below:
The present invention includes: a dielectric-slab (1), be printed on radiating element (2) on dielectric-slab (1) the same face and ground unit (11), in two identical L shaped open circuit minor matters (5 and 6) and feed element (10) of the upper increase of radiating element (2).As shown in Figure 1, dielectric-slab (1) is a rectangular slab, prints radiating element (2), feed element (10) and ground unit (11) on the same face of dielectric-slab (1).Radiating element (2) directly is connected with feed element (10).Between feed element (10) and ground unit (11), gap (12) is arranged, form coplanar wave guide feedback.Wherein, radiating element (2) is the metal patch of a circle, etching C shape groove (3), C shape groove (7) and be nested in c-shape groove (4) in C shape groove (3) on it; Metal patch both sides increase two L shaped open circuit minor matters (5 and 6) in circle.At the upper groove (8 and 9) of etching U-shaped respectively of the ground unit (11) that is trapezoidal metal patch.
Ultra broadband characteristic of the present invention determines by the circular metal paster of radiating element (2), trap characteristic by radiating element (2) upper etched C shape groove (3), C shape groove (7), be nested in c-shape groove (4) in C shape groove (3), in two identical L shaped open circuit minor matters (5 and 6) of circular metal paster both sides increase, and determine at upper etched two the identical U-lags of trapezoidal ground unit (11) (8 and 9).
The present invention changes resonance frequency, centre frequency, trap frequency and trap frequency band by position and the size of adjusting C shape groove (3), C shape groove (7), being nested in c-shape groove (4), two L shaped open circuit minor matters (5 and 6) and two U-lags (8 and 9) in C shape groove (3).Five trap frequency ranges are separate and can independently adjust, and reduced coupling each other, are convenient to realize corresponding trap function.
Feed element of the present invention (10) is coplanar wave guide feedback.
The present invention compared with prior art has following advantage:
1, have good ultra wideband and trap characteristic.Filtering brings descending satellite communication signal and the 8.025 GHz-8.4 ghz band ITU service signals of the X-band of the IEEE802.11a wlan system signal that affects the IEEE802.16WiMAX of 3.3GHz-3.7GHz frequency range system signal, 5.15GHz-5.35 GHz and 5.725 GHz-5.825 ghz band, 7.25 GHz-7.75 GHz to ultra broadband effectively, and can adjust independently the trap frequency that corresponding structure changes antenna, satisfy the trap adjustability, be fit to the application of special occasions.
2, simple in structure, compact dimensions, lightweight, loss is low, satisfies the requirement of planar design; Cost of manufacture is low, precision is high, favorable repeatability, is suitable for compact apparatus and uses, and is convenient to batch production.
Description of drawings:
Fig. 1 is structural representation of the present invention.
Fig. 2 is emulation and the measurement result of five trap UWB antenna voltage standing wave ratioes.
Fig. 3-a and Fig. 3-b are respectively the antenna pattern on xoz plane and yoz plane emulation and measurement when 3GHz.
Fig. 4-a and Fig. 4-b are respectively the antenna pattern on xoz plane and yoz plane emulation and measurement when 4.5GHz.
Fig. 5-a and Fig. 5-b are respectively the antenna pattern on xoz plane and yoz plane emulation and measurement when 6.5GHz.
Fig. 6 is the peak gain figure of antenna of the present invention.
Embodiment:
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
The present invention includes a FR4 type dielectric-slab 1, be printed on radiating element 2, L shaped open circuit minor matters 5 and 6, ground unit 11, feed element 10 on the dielectric-slab the same face, wherein:
A. radiating element 2 is circular metal patch, etching C shape groove 3, C shape groove 7 and be nested in c-shape groove 4 in C shape groove 3 respectively on it, and C shape groove is not closed ring;
B. the minor matters of opening a way 5 and 6 are L shaped sheet metal;
The present invention by adjust C shape groove 3, C shape groove 7 and be nested in 4, two L shaped open circuit minor matters 5 of c-shape groove and 6 in C shape groove 3, and position and the size of two U-lags 8 and 9 change resonance frequency, centre frequency, trap frequency and trap frequency band.Five trap frequency ranges are separate and can independently adjust, and reduced coupling each other, are convenient to realize corresponding trap function.
The relative dielectric constant that the present invention specifically implements the dielectric-slab of antenna is 4.5, and loss angle tangent tan σ=0.02 is of a size of 26mm*31.8mm*1.6mm.The test result of five trap UWB antennas is as shown in Fig. 2-6.Can be found out by figure: the standing-wave ratio (VSWR) of designed 2.45-12 GHz is less than in 2 working frequency range, 3.27-3.57 the VSWR of GHz, 5.01-5.45 GHz, 5.55-6.05 GHz, 7.05-7.45GHz and five frequency ranges of 7.83-8.19GHz is greater than 2, five interior gains of frequency range all are subject to great inhibition, present the characteristic of five traps.
Claims (2)
1. trap UWB antenna, comprising: a dielectric-slab (1) is printed on the radiating element (2) on dielectric-slab (1) the same face, L shaped open circuit minor matters (5 and 6), feed element (10) and grounding plate (11), it is characterized in that:
A. radiating element (2) is the metal patch of a circle, respectively etching C shape groove (3), C shape groove (7) and be nested in c-shape groove (4) in C shape groove (3) on it, and C shape groove is not closed ring;
B. the minor matters of opening a way (5 and 6) are L shaped sheet metal;
C. ground unit (11) is trapezoidal metal patch, the groove (8 and 9) of difference etching U-shaped on it, and U-lag is not closed ring;
D. feed element (10) adopts the coplanar wave guide feedback mode;
E. radiating element (2) directly is connected with feed element (10).
2. described five trap UWB antennas according to claim 1, is characterized in that: adjust the change that C shape groove (3), C shape groove (7), the position that is nested in the c-shape groove (4) in C shape groove (3), L shaped open circuit minor matters (5 and 6) and U-lag (8 and 9) and size realize resonance frequency, centre frequency, trap frequency and trap frequency band; Five trap frequency ranges are separate and can independently adjust, and reduce coupling each other, realize corresponding trap function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310019212XA CN103094680A (en) | 2013-01-20 | 2013-01-20 | Five-notch ultra wide band antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310019212XA CN103094680A (en) | 2013-01-20 | 2013-01-20 | Five-notch ultra wide band antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103094680A true CN103094680A (en) | 2013-05-08 |
Family
ID=48206987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310019212XA Pending CN103094680A (en) | 2013-01-20 | 2013-01-20 | Five-notch ultra wide band antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103094680A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457030A (en) * | 2013-09-16 | 2013-12-18 | 华东交通大学 | Flexible dual-band planar microstrip antenna |
| CN103855466A (en) * | 2014-03-25 | 2014-06-11 | 电子科技大学 | Three-stopband ultra wideband antenna with narrow notch bandwidth |
| CN104282992A (en) * | 2014-07-04 | 2015-01-14 | 云南大学 | Fractal ultra-wideband antenna |
| CN105406182A (en) * | 2015-12-04 | 2016-03-16 | 华南理工大学 | UWB (Ultra Wide Band) MIMO (Multiple Input Multiple Output) antenna with controlled trap bandwidth |
| CN106654545A (en) * | 2016-07-13 | 2017-05-10 | 云南大学 | Left-handed material loading base station antenna |
| CN108742643A (en) * | 2018-08-27 | 2018-11-06 | 天津大学 | A ultra-wideband antenna suitable for human blood glucose concentration detection |
| CN109509975A (en) * | 2018-12-23 | 2019-03-22 | 上海电力学院 | A kind of flexible 5G multifrequency antenna based on liquid crystal polymer |
| CN109962333A (en) * | 2017-12-14 | 2019-07-02 | 比亚迪股份有限公司 | Four trap UWB antennas |
| CN111403905A (en) * | 2020-02-11 | 2020-07-10 | 普联技术有限公司 | 4G omnidirectional antenna |
| CN113140905A (en) * | 2021-04-16 | 2021-07-20 | 西安邮电大学 | Ultra-wideband antenna with butterfly-shaped six-notch characteristic |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800958A (en) * | 2012-09-03 | 2012-11-28 | 云南大学 | Four-trap ultra-wideband antenna |
-
2013
- 2013-01-20 CN CN201310019212XA patent/CN103094680A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800958A (en) * | 2012-09-03 | 2012-11-28 | 云南大学 | Four-trap ultra-wideband antenna |
Non-Patent Citations (4)
| Title |
|---|
| JIE XU等: "A Compact Disc UltrawideBand(UWB) Antenna With Quintuple Band Rejections", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
| LI-XIAN LI，SHUN-SHI ZHONG,AND MIN-HUA CHEN: "compact band-notched ultra-wideband antenna using defected ground structure", 《MICROWAVE AND OPTICALTECHNOLOGY LETTERS》 * |
| 郭林，黄风义，唐旭升: "一种具有WIMAX/WLAN频段双陷波功能的共面波导馈电超宽带天线", 《2009年全国天线年会论文集（上）》 * |
| 黄天贵: "带宽可控的陷波超宽带天线研究", 《华南理工大学硕士学位论文》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457030A (en) * | 2013-09-16 | 2013-12-18 | 华东交通大学 | Flexible dual-band planar microstrip antenna |
| CN103855466A (en) * | 2014-03-25 | 2014-06-11 | 电子科技大学 | Three-stopband ultra wideband antenna with narrow notch bandwidth |
| CN104282992A (en) * | 2014-07-04 | 2015-01-14 | 云南大学 | Fractal ultra-wideband antenna |
| CN105406182A (en) * | 2015-12-04 | 2016-03-16 | 华南理工大学 | UWB (Ultra Wide Band) MIMO (Multiple Input Multiple Output) antenna with controlled trap bandwidth |
| CN106654545A (en) * | 2016-07-13 | 2017-05-10 | 云南大学 | Left-handed material loading base station antenna |
| CN109962333A (en) * | 2017-12-14 | 2019-07-02 | 比亚迪股份有限公司 | Four trap UWB antennas |
| CN109962333B (en) * | 2017-12-14 | 2020-06-19 | 比亚迪股份有限公司 | Four-trap ultra-wideband antenna |
| CN108742643B (en) * | 2018-08-27 | 2023-10-17 | 天津大学 | Ultra-wideband antenna suitable for human blood sugar concentration detection |
| CN108742643A (en) * | 2018-08-27 | 2018-11-06 | 天津大学 | A ultra-wideband antenna suitable for human blood glucose concentration detection |
| CN109509975A (en) * | 2018-12-23 | 2019-03-22 | 上海电力学院 | A kind of flexible 5G multifrequency antenna based on liquid crystal polymer |
| CN111403905B (en) * | 2020-02-11 | 2022-09-06 | 普联技术有限公司 | 4G omnidirectional antenna |
| CN111403905A (en) * | 2020-02-11 | 2020-07-10 | 普联技术有限公司 | 4G omnidirectional antenna |
| CN113140905A (en) * | 2021-04-16 | 2021-07-20 | 西安邮电大学 | Ultra-wideband antenna with butterfly-shaped six-notch characteristic |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103094680A (en) | Five-notch ultra wide band antenna | |
| CN102800958B (en) | Four-trap ultra-wideband antenna | |
| CN204167480U (en) | Single trap UWB antenna that a kind of bent spurious element loads | |
| CN202712422U (en) | Ultra wide-band antenna | |
| Cai et al. | Compact triple band antenna for Bluetooth/WiMAX/WLAN applications | |
| Ibrahim et al. | Reconfigurable band-notched UWB antenna for cognitive radio applications | |
| Tilanthe et al. | A compact UWB antenna with dual band rejection | |
| CN104282992B (en) | A fractal ultra wide band antenna | |
| Luo et al. | A compact CPW-fed UWB antenna with GSM, GPS, Bluetooth and dual notch bands applications | |
| CN102570021B (en) | Trapped wave ultra-wide band antenna with triangular groove | |
| Gao et al. | Novel circular slot UWB antenna with dual band-notched characteristic | |
| Rao et al. | CPW-fed compact ultra wideband MIMO antenna for portable devices | |
| CN202142638U (en) | Ultra wide band band-rejection antenna based on complementary diffractive-ring resonator | |
| Jaglan et al. | Band notched UWB MIMO/diversity antenna design with inductance boosted compact EBG structures | |
| Zhu et al. | A compact dual-band monopole antenna for 4G LTE and WIFI utilizations | |
| Sun et al. | Dual band-notched ultra-wideband planar monopole antenna with M-and W-slots | |
| Sri et al. | Design and Implementation of a Very Compact MIMO Antenna Providing Dual Notches at WLAN and Xband | |
| Akram et al. | Design of printed strip monopole antenna for UWB applications | |
| CN106876963A (en) | A kind of new hexagon Ultrawide-band trap antenna | |
| Kaur et al. | Design of a compact planar inverted-F antenna for WiMAX and WLAN USB dongle applications | |
| Golliwar et al. | Multiple controllable band notch butterfly shaped monopole UWB antenna for cognitive radio | |
| Song et al. | A novel ultra‐wideband monopole antenna with two symmetrical strips | |
| Taha-Ahmed et al. | UWB antennas with multiple notched-band function | |
| CN104901003B (en) | A kind of UWB antennas with band-stop response | |
| CN103633439A (en) | Ultrawide-band trap antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130508 |