Version 0.0Call Drop Failures

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Post ProcessData

RNC_183cAvailability >

99.5%?

RNC_195a SHOsuccess<90%?

RNC_168a IFHOsuccess < 90%?

M1010C0 UtranISHHO RT > 10?

M1010C1 UEISHHO RT > 10? M1010C2 comm

ISHHO RT > 10?M1010C39 Ue

ISHHO NRT > 10?M1010C40 commISHHO NRT > 10?

RNC_900a SHOAdj <90 %?

RNC_901a IFHOAdj <90 %?

RNC_296a>40%? RNC_300c <90 %?

2GInvestigation

RNC_22c RRC Active Success Ratio

Yes No No

Yes

Cell on Inter-RNCBorder?

Yes

No

No No NoNo

YesYesYesYesYes

InvestigateNeighbour

Yes

Yes

Yes

RNC297a>40%?

Optimise Option

Yes Yes

No

3G Drive TestNo

check Alarmson cell

Yes

Investigate Iur

Yes

Check Synch

Check Neighbour

Per Adjacency Stats

ISHO Failure counters

ISHO No cell found RatioRT&NRT

ISHO Success RateSHO Success Rate IFHO Success Rate

RNC_22c > X? RNC_50c > X?Yes

No No

Yes

RRC Act Success RAB Act Success

RNC_183 >99.5% on

Neighbours?

Check Alarmson neighbours

No

RNC_50c RAB Active Success Ratio

No

Top 10 cells Top 10 cells

Check Adjs

No

NoPer Adjacency Stats

RNC_301c <90 %?No

Yes