基于频谱分析的TD-LTE干扰排查研究  

Research on TD-LTE Interference Screening Based on Spectrum Analysis

作　　者：郭志财 

机构地区：[1]中国移动通信集团山东有限公司烟台分公司,山东烟台264000

出　　处：《移动通信》2016年第15期36-42,共7页Mobile Communications

摘　　要：为了更准确有效地定位干扰类型,并排查出干扰源,改善干扰对网络KPI指标和用户感知造成的较大影响,从TDD系统干扰产生的原理入手,对干扰频谱的时域和频域的典型特征进行归纳总结,并结合干扰范围、地域分布特征、告警、KPI等多种数据,总结出一套较准确的、高效的干扰排查流程,实现干扰排查工作效率的大幅提升。In order to determine the type of interference with accuracy and effi ciency, and screen the source, reducing negative infl uence of interference to network KPI and user perception, the paper started with the producing mechanism of TDD system interference, summarized typical characteristics of the time and frequency domain of the interference spectrum, combining with data of the range, geographical distribution characteristics, alarm, and KPI, concluded an interference positioning approach with accuracy and effi ciency, greatly improving the effi ciency of interference investigation.

关 键 词：频谱 干扰 帧偏置 互调 谐波 杂散 

分 类 号：TN929.53[电子电信—通信与信息系统]