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Reply To: congestion SDCCH

#37699
yogesh_rf
Guest

hi manoj, u asked abt.some nokia parameters,pls rd down ths,giv me ur id,i will send u attachments.

BR//
yogesh_rf

This report shows HO failure rates for all cells sorted by failure
rate. Note that HO failure does not yet mean a dropped call because in most
cases the call is successfully returned to the old channel.

The target for an acceptable HO failure rate has to be set by the operator but
generally it should be under 10% for normal sites.

Tot Ho Fail % /hfr_1 Handover failure ratio over period
HO att /ho_13a Handover attempts
Drop call /dcf_6 Drop calls in handovers (BSC controlled incoming
. and outgoing and intracell)

Type Att Fail Blck NotA Drop Other
——————————————————————-
MSC i ho_8 hfr_4a c4001 n/a n/a
MSC o ho_9 hfr_5a c4055 c4037 c4107
BSC i ho_10 hfr_6a c4011 n/a c4083
BSC o ho_11 hfr_7a c4072 c4038 c4084
Cell ho_12 hfr_3a c4019 c4036 c4085

WHERE

Type Handover type
MSC i MSC controlled incoming HOs
MSC o MSC controlled outcoming HOs
BSC i BSC controlled incoming HOs
BSC o BSC controlled outcoming HOs
Cell Intra cell HOs

Att Handover attempts
Tot Fail Handover failure ratio of HO type
Blck Handover blocked ratio
NotA HO not allowed ratio
Drop Drop call ratio
Other Fail – Blck – NotA – Drop

===============================================================================

BTS HO failure rate
between 20001227 and 20001227
sorted by total HO fail %

Tot
BTS Tot HO
BCF Type Att Fail Blck NotA Drop Other Fail
BSC (BTSid) % % % % % %
—————– ——————————————- ——
22722C MSC i: 354 11.2 0.0 – – 11.2 46.0
22722 MSC o: 72 0.1 0.0 0.0 0.0 0.1
BSC4335(54) BSC i: 1202 30.0 0.0 – 0.2 29.6
BSC o: 426 0.9 0.0 0.0 0.4 0.7
Cell : 190 3.8 0.0 0.0 1.0 2.8