摘要
在网络运行中会出现由于设备故障等因素导致部分基站失步问题,从而造成对同天面及邻近区域TDD网络的干扰。为了快速发现并定位失步干扰,提出了一种基于时域信号分析的失步干扰检测方法,该方法不仅可以定位运营商内部TDD系统失步造成的同频干扰,也可以用于检测同一地理区域不同运营商网络间失步造成的邻频干扰。
Non-synchronization of partial base stations due to equipment failure in network operation often results in interference to TDD network in adjacent region. In order to quickly detect and locate non-synchronization, a non-synchronization interference detection method based on time domain signal analysis was proposed in this paper. The method is able not only to locate the co-channel interference resulted from operator’s TDD system non-synchronization, but to detect adjacent-channel interference due to non-synchronization of different operators in the same geographic region.
出处
《移动通信》
2015年第8期51-55,共5页
Mobile Communications
基金
国家科技重大专项课题"后IMT-Advanced移动通信技术及发展策略研究"(2013ZX03003016)
关键词
时域信号
干扰检测
TDD系统
失步
time-domain signal
interference detection
TDD system
non-synchronization
