多信道系统中多天线隔离度研究  

Research on Multi-antenna Isolation for Multi-channel System

作　　者：周国印 王磊 黄华东 汪进军 徐峰 ZHOU Guoyin;WANG Lei;HUANG Huadong;WANG Jinjun;XU Feng(Beijing Institute of Special Vehicles,Beijing 100072,China;Research and Development Center,Wuhan Zhongyuan Electronic Group Co.,Ltd.,Wuhan 430205,China)

机构地区：[1]北京特种车辆研究所,北京100072 [2]武汉中原电子集团有限公司研发中心,湖北武汉430205

出　　处：《无线电工程》2018年第11期86-91,共6页Radio Engineering

摘　　要：基于多信道的多天线技术可以在不增加带宽的情况下成倍提高系统的传输速率和传输质量,而多信道系统中多天线技术是否可行、能够多大程度提高传输质量与系统容量,受制于天线隔离度。由于S参数无法直接获取多信道系统中多天线隔离度,研究了2种基于全波仿真的积分计算方法。在HFSS软件中对8单元天线仿真,验证上述2种方法的有效性。利用电场强度积分方法对微波频段多天线系统隔离度进行了仿真计算,研究在多种工作模式条件下天线间耦合情况,为多信道多天线系统方案论证与制定提供有效支撑。Based on multi-channel and multi-antenna technology,the transmission rate and quality of system can be doubled without increasing the bandwidth.However,the feasibility is limited by antenna isolation. Since S-parameters cannot directly obtain the isolation of multiple antennas,two integral calculation methods based on full-wave simulation are studied.Firstly,an 8-unit antenna is simulated to verify the validity.Then the electric field strength integration method is used to study the isolation of multi-antenna system.The coupling between the antennas under different operation modes is studied to provide support for multi-channel system.

关 键 词：多信道 多工作模式 多天线技术 隔离度 

分 类 号：TN925[电子电信—通信与信息系统]