产品名称Productname密级ConfidentialitylevelG3BSC内部公开产品版本ProductversionTotal17pages共17页GSMBSS网络性能KPI（TCH拥塞率）优化手册V1.0(仅供内部使用）Forinternaluseonly拟制：PreparedbyGSM&UMTS性能研究部赵康日期：2008-6-4审核:Reviewedby日期：审核:Reviewedby日期：批准:Grantedby日期：华为技术有限公司HuaweiTechnologiesCo.,Ltd.版权所有侵权必究Allrightsreserved目录1TCH拥塞率的概念和定义........................................................................................................61.1定义..............................................................................................................................61.2推荐公式......................................................................................................................62涉及特性..................................................................................................................................73TCH拥塞率的影响分析............................................................................................................84TCH拥塞率的影响因素..........................................................................................................114.1网络容量及话务分布.................................................................................................114.2设备安装、硬件及传输故障.....................................................................................124.3网络干扰....................................................................................................................124.4参数设置不合理.........................................................................................................124.5第三方设备配合.........................................................................................................134.6软件版本问题............................................................................................................135TCH拥塞率分析流程和优化方法..........................................................................................135.1网络容量及话务分布.................................................................................................145.1.1话务的均衡性.................................................................................................145.1.2话务分布环境.................................................................................................155.2设备安装及硬件故障.................................................................................................175.2.1天馈安装及故障.............................................................................................175.2.2板件故障.........................................................................................................195.2.3传输及时钟问题.............................................................................................195.3干扰原因....................................................................................................................195.3.1网外干扰.........................................................................................................195.3.2频率计划不当.................................................................................................205.4KPI统计问题..............................................................................................................205.5参数设置...
