基于邻区切换数据的LTE扇区接反分析算法研究

Research on LTE Reversed Sector Analysis Algorithm Based on Neighbor Cell Handover Data

扇区接反是LTE移动基站建设的常见质量问题,它会引起无线网络覆盖异常、性能劣化从而影响4G用户感知。首先对LTE邻区特点及邻区切换指标进行介绍,然后提出一种基于性能数据的扇区接反分析算法,并给出了具体算法实现流程。现网应用验证结果表明,本文算法的问题定位准确率超过90%,与现有方法手段比较,分析问题更全面、更高效,有助于节省人力成本。

Reversed sector is a common quality problem in LTE base station constructions, which will cause the abnormal coverage and bad performance of wireless network coverage to affect 4G user perception. Characteristics and handover metrics of LTE neighbor cell were elaborated firstly. Then, a reversed sector analysis algorithm based on performance data was put forward with the detailed implementation flow of the algorithm. Application results in existing networks demonstrate that the proposed algorithm has the accuracy more than 90% and advantages in comprehensive analysis, high efficiency and low human cost compared with existing algorithms.