高速铁路专网设计与优化中国移动通信集团上海有限公司2007年6月目录一、摘要...................................................................................................................4关健字：..............................................................................................................................4二、课题研究背景....................................................................................................42.1铁路提速........................................................................................................................42.2CRH简介........................................................................................................................4三、高铁专网设计方案............................................................................................53.1专网设计目标................................................................................................................53.2列车穿透损耗测试........................................................................................................53.2.1T型列车测试..........................................................................................................53.2.2K型列车测试..........................................................................................................63.2.3庞巴迪列车测试.....................................................................................................73.2.4CRH2测试...............................................................................................................73.2.5测试小结.................................................................................................................83.3重叠覆盖距离估算........................................................................................................83.3.1手机重选与切换.....................................................................................................83.3.2列车时速与重叠覆盖距离......................................................................................93.4传播模型采用................................................................................................................93.4.1传播模型简介.......................................................................................................103.4.2传播模型校正原理及方法....................................................................................103.4.2.1SPM校正原则............................................................................................103.4.2.2SPM校正流程............................................................................................113.4.3传播模型应用.......................................................................................................133.5话务模型分析..............................................................................................................173.5.1列车话音业务估算方法........................................................................................173.5.2列车数据业务估算方法........................................................................................193.6天线选择......................................................................................................................233.7站台与大网的衔接........................................................................
