wcdma网规高培－utran+kpi.pdf

文档介绍：WCDMA UTRAN KPI
IntroductionIntroduction
z KPI definition
¾ Key performance indicator
z KPI entity
¾ RNC level
¾ Cell level
¾ Clutter/region level (customized)
z KPI analysis
¾ Network performance surveillance
¾ Trouble work problems
¾ Network trend analysis
UTRANUTRAN KPIKPI OverviewOverview
z The UTRAN KPI can be divided into 5 catalogs
¾ Accessibility:UTRAN Call Setup
¾ Retainability:UTRAN Call Drop
¾ Mobility:UTRAN Mobility Management
¾ Traffic:Resource and Traffic management
¾ Algorithm: Radio Resource Management Algorithm Management
KPI
Accessibility Retainability Mobility Traffic Algorithm
ContentsContents
UTRAN Call Setup
UTRAN Call Drop
UTRAN Mobility Management
Traffic Management
Algorithm Management
UTRANUTRAN CallCall SetupSetup
z UTRAN Call Setup includes the RRC connection setup and the RAB
establish procedure. The essful call setup involves the ess
RRC and RAB setup. The main indicators are
¾ RRC Setup ess Rate
¾ RAB Setup ess Rate
RRCRRC SetupSetup CounterCounter
z Measurement Point
¾ Stat. Number of RRC Connection Request in Point A1 of Figure1
¾ Stat. Number of RRC Connection Setup in Point B of Figure1
¾ Stat. Number of RRC Connection plete in Point C of Figure1
¾ Stat. Number of RRC Connection Reject in point A of Figure2
UE RNC
RRC CONNECTION REQUEST
A1
A2
RRC CONNECTION SETUP
B
RRC CONNECTION PLETE
C
UE RNC
RRC CONNECTION REQUEST
RRC CONNECTIONREJECT
A
F1:essful RRC connection setup procedure F2: RRC connection reject procedure
RRCRRC SetupSetup CounterCounter
z RRC Setup KPI
¾ RRC Connection Setup ess Rate = RRC Connection plete / RRC
Connection Request
z Main counter
¾ RRC Connection Request
¾ RRC Connection Setup
¾ RRC Connection Reject
¾ RRC Connection plete
RRCRRC SetupSetup CounterCounter
z Request cause counter
¾ Originating conversational call
¾ Terminating conversational call
¾ Inter-RAT cell re-selection
¾ Inter-RAT c