CN107565214A - One kind miniaturization fractal ultra wide band antenna and its design method - Google Patents
One kind miniaturization fractal ultra wide band antenna and its design method Download PDFInfo
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- CN107565214A CN107565214A CN201710755320.1A CN201710755320A CN107565214A CN 107565214 A CN107565214 A CN 107565214A CN 201710755320 A CN201710755320 A CN 201710755320A CN 107565214 A CN107565214 A CN 107565214A
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Abstract
The present invention relates to one kind to minimize fractal ultra wide band antenna, including antenna ground plate and radiation patch, antenna ground plate and radiation patch are fitted on the two sides of substrate respectively；By some paster groups, circumferentially shape distribution forms the radiation patch, and every group of paster group includes the first paster, the second paster, the 3rd paster and the 4th paster successively from the outside to the core；First paster, the second paster, the 3rd paster and the 4th paster are isosceles trapezoidal structure, enhance aerial radiation intensity, reduce the volume of antenna, reduce cost.
Description
Technical field
The invention belongs to one kind miniaturization fractal ultra wide band antenna and its design method, belong to GSM and general
System frequency domain.
Background technology
Ultra wide band (UWB) communication technology is current one of study hotspot of electronic communication scientific research field in the world.This century
The Novel Communication technology just developed starts UWB being applied to civilian high speed, wireless near field communication field, and achieves very fast hair
Exhibition, by advantages such as high-speed, low-power consumption, low costs, UWB short-range communication technique standards have begun to lead the tradition of bluetooth
Domain proposes challenge.It is in addition to possessing the characteristics of Bluetooth technology is existing, also with speed is high, power consumptive province is (wireless less than existing
Technology 1%), the more low advantage of cost, also will be one of Main Means of following short-range wireless connectivity, have it is extremely wide
Application field and market prospects.Under the long-term continued support of National 863 plan, China is in super broad band radio communication key technology
Impressive progress is had been achieved in terms of research and development, the development ability of chip, software and application system has been preliminarily formed, has possessed and be directed to
Industry requirement carries out the technical conditions of system-level research and development and application innovation.The ultra-wide that FCC (FCC) determines
The frequency range of band (UWB) communication is 3.100~10.600GHz, and this standard turns into the state of ultra-wideband communication system antenna now
Border standard.Ultra-wideband communication system require antenna simultaneously meet small size, low thickness, low return loss, big bandwidth of operation will
Ask, there is larger performance redundancy, the biography of wireless communication signals can be ensured under various unpredictable bad electromagnetic environments
Transmission quality.
The content of the invention
The present invention proposes a kind of miniaturization fractal ultra wide band antenna regarding to the issue above, enhances aerial radiation intensity,
The volume of antenna is reduced, reduces cost.
Specific technical scheme is as follows：
One kind miniaturization fractal ultra wide band antenna, including antenna ground plate and radiation patch, antenna ground plate and radiation are pasted
Piece is fitted on the two sides of substrate respectively；
By some paster groups, circumferentially shape distribution forms the radiation patch, and every group of paster group includes the successively from the outside to the core
One paster, the second paster, the 3rd paster and the 4th paster；
First paster, the second paster, the 3rd paster and the 4th paster are isosceles trapezoidal structure.
A kind of above-mentioned miniaturization fractal ultra wide band antenna, wherein, the upper bottom length of first paster is L1, bottom length
For M1, a height of h1, the upper bottom length of the second paster is L2, bottom length is M2, a height of h2, and the upper bottom length of the 3rd paster is
L3, bottom length are M3, a height of h3, and the upper bottom length of the 4th paster is L4, bottom length is M4, a height of h4, L1=L2=L3
=L4, M1 ＞ M2 ＞ M3 ＞ M4, h1 ＜ h2 ＜ h3 ＜ h4.
A kind of above-mentioned miniaturization fractal ultra wide band antenna, wherein, the quantity of the paster group is 8-16.
A kind of design method for minimizing fractal ultra wide band antenna, its step are as follows：
The whole frequency range that antenna need to be covered is divided into several continuous but independent frequency range, is distinguished according to the frequency range after segmentation
Designing antenna cabling；
Based on tree-like fractal structure, it is level Four to design its patch components level according to the requirement of antenna impedance；
The specific size of level Four paster is designed according to the requirement of the beamwidth of antenna, works as L1：L2：L3：L4=1：1：1：1, M1：
M2：M3：M4=3：2.5：1.8：1, h1：h2：h3：H4=1：1.2：1.5：When 1.8, beamwidth of antenna characteristic is best, and volume is minimum.
The present invention beneficial aspects be：
Invention enhances aerial radiation intensity, reduces the volume of antenna, reduces cost.
Brief description of the drawings
Fig. 1 is structure chart of the present invention.
Fig. 2 is paster group structure chart of the present invention.
Embodiment
To make technical scheme become apparent from clearly, the present invention is described further below in conjunction with the accompanying drawings,
Any scheme drawn to the technical characteristic progress equivalencing of technical solution of the present invention and conventional reasoning each falls within guarantor of the present invention
Protect scope.
Reference
Antenna ground plate 1, radiation patch 2, the first paster 3, the second paster 4, the 3rd paster 5, the 4th paster 6.
A kind of miniaturization fractal ultra wide band antenna as shown in the figure, including antenna ground plate 1 and radiation patch 2, antenna ground
Plate and radiation patch are fitted on the two sides of substrate respectively；
By some paster groups, circumferentially shape distribution forms the radiation patch, and the quantity of the paster group is 8-16, often
Group paster group includes the first paster 3, the second paster 4, the 3rd paster 5 and the 4th paster 6 successively from the outside to the core；
First paster, the second paster, the 3rd paster and the 4th paster are isosceles trapezoidal structure.
The upper bottom length of first paster is L1, bottom length is M1, a height of h1, and the upper bottom length of the second paster is
L2, bottom length are M2, a height of h2, and the upper bottom length of the 3rd paster is L3, bottom length is M3, a height of h3, the 4th paster
Upper bottom length is L4, bottom length is M4, a height of h4, L1=L2=L3=L4, M1 ＞ M2 ＞ M3 ＞ M4, h1 ＜ h2 ＜ h3 ＜
h4。
A kind of design method for minimizing fractal ultra wide band antenna, its step are as follows：
The whole frequency range that antenna need to be covered is divided into several continuous but independent frequency range, is distinguished according to the frequency range after segmentation
Designing antenna cabling；
Based on tree-like fractal structure, it is level Four to design its patch components level according to the requirement of antenna impedance；
The specific size of level Four paster is designed according to the requirement of the beamwidth of antenna, works as L1：L2：L3：L4=1：1：1：1, M1：
M2：M3：M4=3：2.5：1.8：1, h1：h2：h3：H4=1：1.2：1.5：When 1.8, beamwidth of antenna characteristic is best, and volume is minimum.
Claims (4)
1. one kind miniaturization fractal ultra wide band antenna, it is characterized in that, including antenna ground plate and radiation patch, antenna ground plate and
Radiation patch is fitted on the two sides of substrate respectively；
By some paster groups, circumferentially shape distribution forms the radiation patch, and every group of paster group includes the first patch successively from the outside to the core
Piece, the second paster, the 3rd paster and the 4th paster；
First paster, the second paster, the 3rd paster and the 4th paster are isosceles trapezoidal structure.
2. a kind of miniaturization fractal ultra wide band antenna as claimed in claim 1, it is characterized in that, the upper bottom length of first paster
Spend for L1, bottom length is M1, a height of h1, the upper bottom length of the second paster is L2, bottom length is M2, a height of h2, the 3rd patch
The upper bottom length of piece is L3, bottom length is M3, a height of h3, and the upper bottom length of the 4th paster is L4, bottom length is M4, a height of
H4, L1=L2=L3=L4, M1 ＞ M2 ＞ M3 ＞ M4, h1 ＜ h2 ＜ h3 ＜ h4.
3. a kind of miniaturization fractal ultra wide band antenna as claimed in claim 1, it is characterized in that, the quantity of the paster group is 8-
16.
4. a kind of design method for minimizing fractal ultra wide band antenna, it is characterized in that, its step is as follows：
The whole frequency range that antenna need to be covered is divided into several continuous but independent frequency range, is separately designed according to the frequency range after segmentation
Antenna cabling；
Based on tree-like fractal structure, it is level Four to design its patch components level according to the requirement of antenna impedance；
The specific size of level Four paster is designed according to the requirement of the beamwidth of antenna, works as L1：L2：L3：L4=1：1：1：1, M1：M2：M3：
M4=3：2.5：1.8：1, h1：h2：h3：H4=1：1.2：1.5：When 1.8, beamwidth of antenna characteristic is best, and volume is minimum.
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| CN201710755320.1A CN107565214A (en) | 2017-08-29 | 2017-08-29 | One kind miniaturization fractal ultra wide band antenna and its design method |
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| CN201710755320.1A CN107565214A (en) | 2017-08-29 | 2017-08-29 | One kind miniaturization fractal ultra wide band antenna and its design method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038775A (en) * | 2020-08-26 | 2020-12-04 | 电子科技大学 | Fractal circular patch antenna |
Citations (3)
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| US20090207091A1 (en) * | 2005-07-26 | 2009-08-20 | Dimitrios Anagnostou | Reconfigurable multifrequency antenna with rf-mems switches |
| CN102800952A (en) * | 2012-08-06 | 2012-11-28 | 厦门大学 | Small fractal fin array antenna of Beidou navigation system |
| CN104730426A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Sensor and discharge signal detection method |
-
2017
- 2017-08-29 CN CN201710755320.1A patent/CN107565214A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090207091A1 (en) * | 2005-07-26 | 2009-08-20 | Dimitrios Anagnostou | Reconfigurable multifrequency antenna with rf-mems switches |
| CN102800952A (en) * | 2012-08-06 | 2012-11-28 | 厦门大学 | Small fractal fin array antenna of Beidou navigation system |
| CN104730426A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Sensor and discharge signal detection method |
Non-Patent Citations (4)
| Title |
|---|
| ABOLFAZL AZARI: "A New Super Wideband Fractal Microstrip Antenna", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
| Y.B. THAKARE、RAJKUMAR: "Design of fractal patch antenna for size and radar cross-section reduction", 《IET MICROWAVES, ANTENNAS & PROPAGATION》 * |
| 李迎送、苏畅、牛朝、杨晓冬、刘乘源: "一种基于分形结构的超宽带天线研究", 《系统仿真技术》 * |
| 赵小莹、臧洪明、张功磊、卢静静: "一种新颖的树状分形超宽带天线", 《电子与信息学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038775A (en) * | 2020-08-26 | 2020-12-04 | 电子科技大学 | Fractal circular patch antenna |
| CN112038775B (en) * | 2020-08-26 | 2021-12-28 | 电子科技大学 | Fractal circular patch antenna |
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Application publication date: 20180109 |
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