铁路新一代移动通信系统对我国S频段卫星移动通信系统干扰分析  

Analysis of Interference to China's S-band Satellite Mobile Communication System by the Next Generation Mobile Communication System for Railways

作　　者：李颖[1] 李静 LI Ying;LI Jing(Beijing Institute of Tracking and Telecommunications Technology,Beijing 100094,China)

机构地区：[1]北京跟踪与通信技术研究所,北京100094

出　　处：《微波学报》2024年第S1期382-385,共4页Journal of Microwaves

摘　　要：铁路新一代移动通信系统(5G-R)使用频段为1965~1975MHz和2155~2165MHz,与我国已经在轨的S频段卫星移动通信系统工作频带仅间隔5MHz,本文针对两系统相互之间的兼容性进行了仿真。通过建立铁路5G-R用户终端对我国S频段卫星移动通信系统上行接收的干扰模型和5G-R基站对我国S频段卫星移动通信系统下行地面移动终端接收的干扰模型,仿真分析了铁路5G-R对S频段卫星移动通信系统的影响,从而给出兼容使用的条件。The next-generation mobile communication system for railways(5G-R)uses frequency bands of 1965-1975MHz and 2155-2165MHz,which are only 5MHz apart from the working frequency bands of the S-band satellite mobile communication system already in operation in China.This paper conducts simulations on the compatibility between the two systems.By establishing interference models for the uplink of the S-band satellite mobile communication system by the 5G-R user terminal and the downlink of the S-band satellite mobile communication system by the ground mobile terminal of the 5G-R base station,the paper analyzes the impact of 5G-R on the S-band satellite mobile communication system and thus provides conditions for compatible use.

关 键 词：铁路5G-R系统 卫星移动通信系统 电磁兼容 邻带干扰 阻塞干扰 

分 类 号：U285.21[交通运输工程—交通信息工程及控制] TN929.5[交通运输工程—道路与铁道工程] TN927.23[电子电信—通信与信息系统]