2元双频陶瓷芯片手机天线的建模与设计

A. Andrenko
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引用次数: 1

摘要

本文介绍了用于UMTS/GPS双频手机应用的2元紧凑型陶瓷芯片天线的建模与设计。首先,介绍了集成了简单匹配电路的陶瓷芯片单极子的设计。介绍了该紧凑型天线单元的高增益和总效率等辐射特性。接下来,将介绍用于双频手机设计的2元天线系统,其中一个天线单元用于UMTS操作,另一个天线单元用作辅助GPS (A-GPS)天线。参数化研究说明了天线单元分离对天线端口间相互耦合的影响。研究表明,低互耦是高密度介电陶瓷衬垫内三维单极子受到强电流感应的结果。会议将详细讨论拟议的紧凑型二元天线系统在流动电话上的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modeling and design of 2-element dual-band ceramic chip handset antennas
This paper presents the modeling and design of 2-element compact ceramic chip antenna for UMTS/GPS dual-band mobile handset applications. First, the design of ceramic chip monopole integrated with a simple matching circuit will be explained. The radiation characteristics including high gain and total efficiency of the proposed compact antenna element will be presented. Next, 2-element antenna system for dual-band handset design where one antenna element is used for UMTS operation while the another one works as an assisted GPS (A-GPS) antenna will be introduced. Parametric study illustrating the effect of antenna elements separation on the mutual coupling between antenna ports will be analyzed. It has been shown that low mutual coupling is the result of strong current being induced on the 3D monopole placed inside high density dielectric ceramic pad. Mobile handset applications of the proposed compact 2-element antenna system will be discussed in the details at the Conference.
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