Miniaturization of microstrip antenna using folded structure with attaching plates for satellite communication terminal

Wan-Lae Roh, J. Woo
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引用次数: 15

Abstract

Today, the advancement speed of wireless communication system is accelerated and consumers want a communication service without limit of space. A portable satellite communication service is required with the need and miniaturization of a mobile terminal is more important. The previous antenna for a satellite communication terminal, such as the Quadrifilar Helix antenna, is used but it is not suitable for portable by its huge volume To solve this problem, in this paper, miniaturizing a microstrip patch antenna with 3-dimensional structure is explained that it has a small volume, a low position, light weight, and mass production. Generally, since the size of a microstrip patch antenna is in proportion with the wavelength of a center frequency, a high permittivity dielectric is utilized for miniaturization of an antenna. However, this method causes drops of a radiating efficiency and bandwidth by the high permittivity. Therefore, folded structure and a method of using a plate attached in the bottom of an antenna are mixed rather than using a high dielectric. It is that a plate is attached on the edge of a folded antenna's patch. Also, to minimize an antenna, a method of folded structure is applied to resonance length L and width W in a general patch antenna.
卫星通信终端用折叠附板微带天线的小型化
在无线通信系统发展速度加快的今天,消费者希望获得不受空间限制的通信服务。随着对移动终端的需求和小型化的要求越来越高,人们需要一种便携式卫星通信服务。为了解决这一问题,本文介绍了一种体积小、位置低、重量轻、可批量生产的三维结构微带贴片天线小型化技术。一般来说,由于微带贴片天线的尺寸与中心频率的波长成正比,因此采用高介电常数的电介质来实现天线的小型化。然而,这种方法由于高介电常数导致辐射效率和带宽下降。因此,将折叠结构和使用附在天线底部的板的方法混合在一起,而不是使用高电介质。它是在折叠的天线贴片的边缘附加一个板。此外,为了使天线最小化,对一般贴片天线的谐振长度L和宽度W采用了折叠结构的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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