W网规高培-WM200612-UTRAN KPI.ppt

Introduction KPI definition Key performance indicator KPI entity RNC level Cell level Clutter/region level (customized) KPI analysis Network performance surveillance Trouble shooting network problems Network trend analysis UTRAN KPI Overview The UTRAN KPI can be divided into 5 catalogs Accessibility：UTRAN Call Setup Retainability：UTRAN Call Drop Mobility：UTRAN Mobility Management Traffic：Resource and Traffic management Algorithm： Radio Resource Management Algorithm Management Contents UTRAN Call Setup UTRAN Call Setup includes the RRC connection setup and the RAB establish procedure. The Successful call setup involves the success RRC and RAB setup. The main indicators are RRC Setup Success Rate RAB Setup Success Rate RRC Setup Counter Measurement Point Stat. Number of RRC Connection Request in Point A1 of Figure1 Stat. Number of RRC Connection Setup in Point B of Figure1 Stat. Number of RRC Connection Setup complete in Point C of Figure1 Stat. Number of RRC Connection Reject in point A of Figure2 RRC Setup Counter RRC Setup KPI RRC Connection Setup Success Rate = RRC Connection Setup complete / RRC Connection Request Main counter RRC Connection Request RRC Connection Setup RRC Connection Reject RRC Connection Setup complete RRC Setup Counter Request cause counter Originating conversational call Terminating conversational call Inter-RAT cell re-selection Inter-RAT cell change order Registration …… Failure cause counter RRC Reject RRC setup no response RAB Setup Counter Measurement Point Stat. Number of RAB Setup Request in Point A of Figure1 Stat. Number of RAB Setup Success in Point B of Figure1 Stat. Number of RAB Setup Failure in Point B of Figure2 RAB Setup Counter RAB Setup KPI CS RAB Success rate = CS RAB Setup Success/CS RAB Setup Request PS RAB Success rate = PS RAB Setup Success/CS RAB Setup Request Overall counter CS RAB Setup Request CS RAB Setup Success CS RAB Setup Failure PS RAB Setup Request PS RAB Setup Success PS RAB Setup Failure Traffic