空口测试方法及其新应用  

Over-the-air Test and its Novel Applications

作　　者：漆一宏 李俊 翁子杉 沈鹏辉 罗庆春 刘列 Qi Yihong;Li Jun;Weng Zishan

机构地区：[1]深圳市通用测试系统有限公司

出　　处：《安全与电磁兼容》2021年第2期9-15,共7页Safety & EMC

摘　　要：在移动通信领域,空口测试(OTA)已成为无线设备性能评估的标准方法,并广泛用于通讯基站、通讯终端的性能评估。随着无线通信在智慧城市的应用,OTA迎来了新的挑战。新的测试技术与方法被不断地引入到传统通信测试领域,如文中提出的辐射两阶段法、近场快速测量及场源重构等方法,可以解决OTA在汽车测试、卫星相控阵天线测试、毫米波测试、大型物联网终端测试等新领域的应用中所面临的工程与技术难题,同时使空口测试系统能够测得准、测得快和用得起。Over-the-air(OTA)test has been widely used as a standard method for radio performance evaluation in mobile communication.The emerging applications,such as smart city and related applicaitions,have put forward many new challenges for the OTA test.New technologies and testing methods have been brought in the traditional wireless OTA measurement systems recently,like radiated two-stage method,fast near field and field reconstruction method etc,to solve engineering and technical challenges from OTA,autonomous vehicles,satellite phase-array antenna measurement,millimeter wave testing as well as large IoT devices testing,and still making OTA test solutions accurate,fast and affordable.

关 键 词：空口测试 无线通信 无线测量 

分 类 号：TN98[电子电信—信息与通信工程]