基于CDT的高山站掉话分析方法研究

Research on the High-mountain Station Call-drop Analysis Method Based on CDT

高山站一般位置较高、覆盖范围不易控制,容易成为高掉话小区。而山区地理环境复杂多变,路测数据获取不易,从而使高山站掉话问题很难进行准确定位。CDT数据中包含呼叫建立过程、释放过程、信号质量和切换信息等大量的有用信息。文章探索基于CDT的高山站分析及定位方法,深入分析了造成高山站掉话的因素,创新性地提出高山站掉话分类匹配算法以及分析定位流程,从而有效解决高山站掉话分析和定位难的问题。

For those base stations located in the high mountains,it＇s much more difficult to control their coverage and so that they are likely to be the high-call-drop cells.Moreover, because of the variation of the geographical environment and the difficulty of getting the DT data,it costs engineers much more time in solving such problems.On the other hand,a lot of information contained in the CDT data such as the process of call-establish and the call-release,the quality of wireless signal and the handoff between cells have not yet been adequately used.In this paper,we analyze the reasons of call-drops happened among those base stations .Based on the CDT, we creatively present an algorithm for classifying those call-drops and a set of procedure for solving them.