Single-layer Broadband Microstrip Patch Antenna
A technology of microstrip patch antenna and microstrip transmission line, which can be applied to antennas, slot antennas, resonant antennas, etc., and can solve the problems of narrow frequency bandwidth and restricted use range.
Active Publication Date: 2021-07-06
PURPLE MOUNTAIN LAB
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Problems solved by technology
However, the shortcomings of the microstrip patch antenna are also obvious. Since the working mechanism of the microstrip patch antenna is a resonant antenna, its frequency bandwidth is extremely narrow, and the bandwidth of an ordinary single-layer microstrip patch antenna is about 1%-2%, so Ordinary microstrip patch antennas cannot meet the needs of most practical application scenarios, and its narrow-band characteristics severely restrict its scope of use
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[0030] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the application are given in the drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.
[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the application are only for the purpose of describing specific embodiments, and are not intended to limit the application.
[0032]It can be understood that the terms "first", "second" and the like used in this application may be ...
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Abstract
The present application relates to a single-layer broadband microstrip patch antenna, comprising: a single-layer dielectric substrate and an antenna unit; The copper clad layer is a metal ground; the copper clad layer on the front side of the single-layer dielectric substrate is etched into the shape of an antenna unit, and the antenna unit includes a radiation patch, a first resonant cavity, a second resonant cavity, a grounding Shorting pins and microstrip transmission lines; slits are arranged on both sides opposite to the center of the radiating patch, and the slits are center-symmetrical to the center of the radiating patch, and the slits include 匚-shaped slits, and the 匚-shaped slits The long side of the slit is parallel to the non-radiating side of the radiating patch, and the two short sides of the U-shaped slit are parallel to the radiating side of the radiating patch. The present application can realize a single-layer broadband microstrip patch antenna with a relative bandwidth value of 7% on a single-layer dielectric substrate.
Description
technical field [0001] The present application relates to the technical field of wireless communication, in particular to a single-layer broadband microstrip patch antenna. Background technique [0002] In modern society, science and technology are the core foundation of social development, and wireless communication technology, as a part of information technology, is an extremely important branch of modern science and technology. At present, the global wireless communication system has entered the 5G era. The research and development cycle of the wireless communication system from 1G to the 5G era is getting shorter and shorter, and the wireless communication system has developed from the initial simple voice function to today's text, picture, High-definition video function, as well as VR and AR functions that will be common in the future. As the carrier of transmitting and receiving information in the wireless communication system, the antenna is one of the key components...
Claims
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IPC IPC(8): H01Q9/04H01Q13/10
CPCH01Q9/0407H01Q9/0442H01Q13/106
Inventor 徐海鹏李艳齐望东黄永明潘孟冠李晓东
Owner PURPLE MOUNTAIN LAB