Fractal array bionic ultra-wideband antenna

An ultra-wideband antenna and fractal technology, which is applied to antennas, antenna arrays, and antenna arrays that are powered independently, can solve the problems of weak antenna radiation intensity and limited radiation energy, and achieve the effect of large working bandwidth and good radiation performance

Active Publication Date: 2017-07-25
XIAMEN UNIV TAN KAH KEE COLLEGE
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  • Description
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AI Technical Summary

Problems solved by technology

[0013] Although the photonic crystal batwing bionic small antenna can completely cover the working frequency bands of the second, third, fourth, and fifth generation mobile communication systems, radio frequency identification systems, and ultra-wideband communication systems, it is only a single antenna after all. The radiated energy is limited, and the radiated energy is distributed in such a wide operating frequency band, which will cause the antenna radiation intensity to be weak

Method used

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0036] This embodiment provides a fractal array bionic ultra-broadband antenna, which specifically includes a substrate and a fractal array bionic radiation patch attached to the front of the substrate; the fractal array bionic radiation patch is composed of 25 photonic crystal batwing bionic An antenna array composed of small antennas arranged in a cross fractal array structure.

[0037] In this embodiment, the size of the small photonic crystal batwing bionic antenna is 2.0mm±0.01mm×2.0mm±0.01mm.

[0038] Such as figure 2 As shown, in this embodiment, the photonic crystal batwing bionic small antenna is composed of 9 pairs of parallel symmetrical oscillators, and the lengths of each pair of parallel symmetrical oscillators are 0.85mm±0.01mm, 0.70mm±0.01mm, 0.55mm± 0.01mm, 0.40mm±0.01mm, 0.25mm±0.01mm, 0.40mm±0.01mm, 0.55mm±0.01mm, 0.70mm±0.01mm, 0....

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Abstract

The invention relates to a fractal array bionic ultra-wideband antenna which comprises a substrate and a fractal array bionic radiation patch adhering to the front side of the substrate. The fractal array bionic radiation patch is an antenna array formed by arranging 25 photonic crystal batwing bionic small antennas according to a crisscrossed array structure. The invention ensures that the antenna array has a large working bandwidth while enhancing the antenna radiation intensity through the array.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a fractal array bionic ultra-wideband antenna. Background technique [0002] Ultra-wideband (UWB) communication technology is one of the research hotspots in the field of electronic communication research in the world. The new communication technology developed at the beginning of this century began to apply UWB to the field of civilian high-speed and short-distance wireless communication, and achieved rapid development. With the advantages of high speed, low power consumption, and low cost, UWB short-distance communication technology standards have begun It poses a challenge to the traditional field of Bluetooth. In addition to the existing characteristics of Bluetooth technology, it also has the advantages of high speed, low power consumption (less than 1% of the existing wireless technology), and lower cost. It will also be one of the main means of short-distance wirele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q5/25H01Q21/00H01Q21/06
CPCH01Q1/38H01Q5/25H01Q21/00H01Q21/065Y02D30/70
Inventor 林斌张培涛蔡沅坤叶广雅刘泽泰张颖
Owner XIAMEN UNIV TAN KAH KEE COLLEGE
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