间接远场法及其在毫米波终端空口测试的应用  

Indirect Far-field and its Applications in Over-the-air Test of Millimeter Wave Terminals

作　　者：银灼 黎福海[2] 漆一宏 蔡张华 刘列 Yin Zhuo;Li Fuhai;Qi Yihong

机构地区：[1]深圳市通用测试系统有限公司 [2]湖南大学电气与信息工程学院

出　　处：《安全与电磁兼容》2021年第4期38-43,50,共7页Safety & EMC

摘　　要：随着5G移动通信技术的快速发展,间接远场法已经被用于毫米波终端的空口(OTA)测试中。为了帮助相关技术人员更好理解这一新方法,文章介绍了间接远场的代表——紧缩场(CATR)的发展历史、基本原理和系统构成,概述了间接远场(IFF)法的最新应用——平面波发生器(PWG)及可用于毫米波终端空口测试的紧缩场。间接远场法应用前景良好,未来发展趋势包括提升质量、降低成本及扩大应用范围。With the rapid development of 5G wireless communication,the indirect far-field(IFF)has been employed in over-the-air(OTA)test of millimeter wave terminals.To promote this new test method,the development history,basic principles and system configuration of compact antenna test range(CATR)have been introduced.The recent development of plane-wave generator(PWG)and CATR that can be used for OTA test of millimeter-wave terminals has been summarized as well.It is found that the IFF has good application prospect and the future developments include improving quality,reducing costs and expanding the scope of application.

关 键 词：毫米波终端 空口测试 间接远场 紧缩场 平面波发生器 

分 类 号：TN929.5[电子电信—通信与信息系统]