A kind of antenna and mimo antenna with the antenna
An antenna and feeder technology, applied in the field of MIMO antennas, can solve the problems of increasing the area of the radio frequency system, difficult to meet the system design requirements of low power consumption, and increasing the design of the electronic system feeder, so as to achieve rich dispersion characteristics, high isolation, Strong anti-interference ability
Active Publication Date: 2016-08-03
KUANG CHI INST OF ADVANCED TECH
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However, the impedance matching network additionally increases the feeder design of the electronic system and increases the area of the radio frequency system. At the same time, the matching network also introduces a lot of energy loss, which is difficult to meet the system design requirements of modern communication systems with low power consumption.
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[0029] Metamaterials are composed of artificial microstructures with a certain pattern shape arranged periodically on a substrate in a specific way. The different pattern shapes and arrangements of the artificial microstructures make the metamaterials have different dielectric constants and different magnetic permeability, so that the metamaterials have different electromagnetic responses. Among them, when the artificial microstructure is in the resonant frequency band, the artificial microstructure will exhibit a high degree of dispersion characteristics. The so-called high dispersion characteristics refer to the impedance, capacitive inductance, equivalent permittivity and magnetic permeability of the artificial microstructure. The rate varies drastically with frequency.
[0030] The present invention uses the above-mentioned principle of metamaterials to design an antenna, which utilizes the high dispersion characteristics of the artificial microstructure to form a microgro...
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The invention relates to an antenna, which comprises a feeder line, a first metal sheet and a second metal sheet opposite to the first metal sheet, wherein the feeder line feeds a signal in the first metal sheet in a coupling way; the second metal sheet is electrically connected with the feeder line; and a micro-channel structure is formed on the first metal sheet. A complex impedance matching network is eliminated; and the antenna has the advantages of small size and low cost, and is easy to machine. Furthermore, the structure of the feeder line can be simplified when the antenna works in a low working frequency range, the loss of the feeder line can be reduced, and the performance of the antenna in the low working frequency range can be improved.
Description
technical field [0001] The present invention relates to the communication field, in particular to an antenna and a MIMO antenna with the antenna. Background technique [0002] With the high development of semiconductor technology, higher and higher requirements are put forward for the integration of today's electronic systems, and the miniaturization of devices has become a technical issue of great concern to the entire industry. However, unlike the development of IC chips following "Moore's Law", radio frequency modules, another important component of electronic systems, face the difficult technical challenge of device miniaturization. The radio frequency module mainly includes main components such as frequency mixing, power amplifier, filter, radio frequency signal transmission, matching network and antenna. Among them, the antenna is the radiating unit and receiving device of the final radio frequency signal, and its working characteristics will directly affect the worki...
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IPC IPC(8): H01Q1/38H01Q21/00
Inventor 刘若鹏徐冠雄杨松涛
Owner KUANG CHI INST OF ADVANCED TECH