5G 700 MHz频段干扰有线电视信号的处理方法  

Processing Method of 5G 700 MHz Band Interference CATV Signal

作　　者：焦东俊 JIAO Dongjun(Qujing branch of China Radio and Television Yunnan Network Co.,Ltd.,Qujing 655000,China)

机构地区：[1]中国广电云南网络有限公司曲靖市分公司,云南曲靖655000

出　　处：《电视技术》2022年第3期128-130,152,共4页Video Engineering

摘　　要：目前,中移通信技术有限公司已在大范围使用5G 700 MHz频段。700 MHz下行信号干扰广电有线的范围和点位也在不断增多,目前受影响的主要是县乡区域。该问题导致有线电视同频下的数字信号劣化,节目出现间歇性马赛克现象。为此,以实际故障处理过程为案例进行分析,从接入网和频点的优化入手,切实解决同频干扰问题。At present,China Mobile Communication Technology Co.,Ltd.has widely used 5G 700 MHz frequency band.The scope and points of 700 MHz downlink signal interference with radio and television cable are also increasing.At present,the affected areas are mainly counties and townships.This problem leads to the deterioration of digital signals under the same frequency of cable TV,and the intermittent mosaic phenomenon of programs.Therefore,this paper takes the actual fault treatment process as a case to analyze,and starts with the optimization of access network and frequency points to effectively solve the problem of co frequency interference.

关 键 词：干扰 比特误码率(BER) 频点 

分 类 号：TN929.5[电子电信—通信与信息系统]