爱立信网络优化交流npi.ppt

NETWORK OPTIMIZATION
TELEWAVE
NETWORK OPTIMIZATION
WORK PERFORMANCE IMPROVE
MSC KEY PERFORMANCE IMPROVE
Procedure on Radio Optimization
Cell Database
Statistics
Drive Test
Neighbor cell
Analysis Neighbor Cell for Missing Ncellr
Database Verification
Consistency Check
Analysis and Monitor
Stats Counters
Frequency Retune /
Parameters Changes
Verify and work Performance
Frequency Retune /
Parameters Changes
CDB
CDB Verification
Consistency Check
CDB -- Consistency Check
Load Consistency Check from Cell Database
Find out all the mismatch and make necessary modification
Example of inconsistency:
BCCHNO and/or BSIC mismatch in external cell
Cell CGI not match in BSC and/or MSC
Parameters Mismatch between internal and external cell
Warning on co and adj. channel, etc..
Statistics
Analysis and Monitor
Stats Counters
Statistics
TCH & H Drop Call Rate
TCH & H Congestion
Handover essful Rate
Random Access essful Rate
TCH & H Availability
Channel Establishment
Statistics
Monitoring the Statistics
Parameters Modification
Frequency Retune
Hardware Replacement
Statistics
Analysis and Monitor
Stats Counters
Frequency Retune /
Parameters Changes
BASIC TUNING METHODS
INTRODUCTION
ABSTRACT
RANDOM ACCESS
H CONGESTION
H DROP CALL
TCH CONGESTION
TCH DROP CALL
HANDOVER
TCH ASSIGNMENT
TCH、H AVAILABILITY
ABSTRACT
Focus on 7 key performances
RA fail, SD congestion, SD drop, TCH congestion, TCH drop, Intra-BSC H/O ess, Inter-BSC H/O ess
Basic Methods used in RNPI services for Local work
Most methods can be used in other work
Description, reasons for the performance, basic methods
BASIC TUNING METHODS
Description
The first step when the MS want to access work
Answer to Paging, Location Updating/Periodic Location updating/ IMSI Attach/Detach, Emergency call, Original call/SMS
Key performance in accessibility
Affect work/work performances
Random Access
Causes of RA Failure
RA with excessive TA(Timing Advance)
Too large coverage or bad cove