高速铁路专网设计与优化XX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............................................................
