LTE_KPI定义及KPI指标优化思路一、LTEKPI总体架构...........................................................31.1无线网络类KPI...............................................................31.1.1接入类.................................................................31.1.2保持性.................................................................31.1.33、移动性..............................................................31.1.44、可用性..............................................................31.1.55、RB利用率...........................................................31.1.66、话务量..............................................................31.2业务类KPI...................................................................41.2.1时延...................................................................41.2.2完整性.................................................................41.3KPI采集方法.................................................................41.3.1话务统计...............................................................41.3.2路测，定点测试.........................................................5接入类KPI............................................................................61.1RRC连接建立成功率...........................................................61.1.1RRC连接建立成功率运算公式.............................................61.1.2RRC相关计数器.........................................................61.1.3QCI定义...............................................................71.2ERAB建立成功率..............................................................71.2.1ERAB建立成功率运算公式................................................71.2.2ERAB相关计数器........................................................81.3呼叫建立成功率..............................................................81.3.1呼叫建立成功率公式.....................................................81.3.2呼叫建立成功率相关计数器...............................................9保持类KPI............................................................................91、掉话率......................................................................91.1、掉话率相关运算公式.....................................................91.2、掉话率相关计数器......................................................10移动性KPI...........................................................................111、系统内切换出成功率.........................................................111.1、运算公式..............................................................112、系统内切换切入相关计数器...................................................123、系统间切换成功率...........................................................123.1、系统间切换成功率运算公式..............................................123.2、系统间切换计数器........................................................13资源利用类KPI.......................................................................131、可用性.....................................................................131.1、无线网络不可用率......................................................132、利用率〔上下行RB利用率，平均CPU负荷率〕..................................142.1、利用率运算公式..........................................................142.2、利用率相关计数器..........................................................
