有关于系统呼损率丢包率随新呼叫接入门限的变化规律，用于判定新呼叫的介入指标-Call loss rate on the system packet loss rate with the new call admission threshold variation, used to determine the involvement of the new call indicator

它介绍了UTRAN接口协议和功能，小区相关流程分析，系统信息流程分析，呼叫建立和释放流程分析等-It describes the UTRAN interface protocols and functions, community-related process analysis, process analysis system information, call setup and release process analysis, etc.