Asymmetric Coplanar Waveguide Triple Band Antenna with Defective Ground Structure

A technology of defective ground structure and coplanar waveguide, which is applied in the field of radio antennas, can solve the problems of antenna mutual interference and low spectrum utilization, and achieve the effects of improving antenna performance, improving communication performance, and increasing local width

Active Publication Date: 2017-12-26
ANHUI UNIVERSITY OF ARCHITECTURE
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  • Description
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Problems solved by technology

However, the erection of multiple antennas has brought many new problems, the most prominent of which are low spectrum utilization and serious mutual interference between antennas

Method used

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  • Asymmetric Coplanar Waveguide Triple Band Antenna with Defective Ground Structure
  • Asymmetric Coplanar Waveguide Triple Band Antenna with Defective Ground Structure
  • Asymmetric Coplanar Waveguide Triple Band Antenna with Defective Ground Structure

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Embodiment Construction

[0040] In order to make the technical means, creative features, work flow, use method, purpose and effect of the present invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] Such as figure 1 As shown, the asymmetrical coplanar waveguide triple-band antenna with defective ground structure includes: a substrate 1 , a radiation patch unit 2 , a metal ground plate 3 , and an impedance-matched input transmission line 4 .

[0042] The substrate is made of polytetrafluoroethylene, its relative dielectric constant is 2....

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Abstract

The invention provides an asymmetrical coplanar waveguide triple-band antenna with defective ground structure, which includes a substrate, a radiation patch unit, a metal ground plate, and an impedance matching input transmission line. The surface of the substrate has a radiation patch unit, a metal ground plate and an impedance matching input transmission line; the metal ground plate has a rectangular groove, an inverted right-angled triangle groove and an arc groove; the radiation patch unit includes a uniform broken line combined radiation patch A and Radiation patch C, non-uniform broken-line combination type radiation patch B Three radiation patches, the bottom of the three radiation patches overlap, the middle of the bottom is connected to one end of the impedance matching input transmission line, and the other end of the impedance matching input transmission line is connected to the bottom of the substrate The three radiating patches and the impedance-matched input transmission lines are all symmetrical to the y-axis of the substrate. The structure of the invention is very simple, compact and novel, has high applicability, and at the same time expands the effective area of ​​the patch and improves the performance of the antenna.

Description

technical field [0001] The invention relates to the technical field of radio antennas, in particular to a defective structure asymmetrical coplanar waveguide triple-band antenna. Background technique [0002] With the rapid growth of wireless communication demand, wireless communication technology has achieved rapid development, and new wireless communication technologies and wireless communication frequency bands continue to emerge. Currently, 3G / 4G wireless communication systems, Bluetooth technology, Worldwide Interoperability for Microwave Access (WIMAX), and Wireless Local Area Network (WLAN) all use different wireless spectrums. In order to solve communication problems in different wireless spectrums, multiple antennas are generally set up on system equipment. However, erecting multiple antennas has brought many new problems, the most prominent being low spectrum utilization and serious mutual interference between antennas. [0003] The asymmetrical coplanar waveguid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50H01Q5/28
Inventor 吕虹夏新升于永林华志祥吴东升平兰兰
Owner ANHUI UNIVERSITY OF ARCHITECTURE
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