View Full Version : Drop call
haq_enam
2010-12-22, 05:04 PM
We are using Huawei 2G system....
I have been trying to find out the drop call reasons How i will identify. here are some info
1. layer 3 messages are showing normal release.
2. Quality is is bit bad...value 6
3. Rxlevel is -65dBm serving cell
4.Neighbors are -70dBm
5. Equipments are ok.
6. Around 30 neighbors define in each cell
Can u say any way forward
sonerss
2010-12-22, 05:55 PM
Hi
Can you share the log file?
We are using Huawei 2G system....
I have been trying to find out the drop call reasons How i will identify. here are some info
1. layer 3 messages are showing normal release.
2. Quality is is bit bad...value 6
3. Rxlevel is -65dBm serving cell
4.Neighbors are -70dBm
5. Equipments are ok.
6. Around 30 neighbors define in each cell
Can u say any way forward
Alex_R
2010-12-22, 06:09 PM
what was the value of RL Timeout Counter (Cur) ?
haq_enam
2010-12-22, 06:47 PM
RL time out Non AMR 20
AMR 32
haq_enam
2010-12-22, 06:56 PM
Hi
Can you share the log file?
Please find the log files in below link
Logfiles_2.rar - 4shared.com - online file sharing and storage - download (http://www.4shared.com/file/jMrMhFdR/Logfiles_2.html)
sonerss
2010-12-22, 08:12 PM
Hi
I cant access the log file. can you upload it again?
Please find the log files in below link
Logfiles_2.rar - 4shared.com - online file sharing and storage - download (http://www.4shared.com/file/jMrMhFdR/Logfiles_2.html)
haq_enam
2010-12-22, 08:37 PM
Hi
I cant access the log file. can you upload it again?
Pls chk this out
Logfiles.rar - 4shared.com - online file sharing and storage - download (http://www.4shared.com/file/jWjGm5rm/Logfiles.html)
sonerss
2010-12-22, 08:59 PM
hi
Which drive test tool did you use it?? Tems, Nemo or other... I cant open with Actix??
Pls chk this out
Logfiles.rar - 4shared.com - online file sharing and storage - download (http://www.4shared.com/file/jWjGm5rm/Logfiles.html)
haq_enam
2010-12-22, 09:23 PM
hi
Which drive test tool did you use it?? Tems, Nemo or other... I cant open with Actix??
TEMS Automatic and TI 9
sonerss
2010-12-24, 09:53 PM
Hi
I found some issues for Handover showing below Log files. Can you check neighbour definations about this.. And do you use baseband hopping?
Log file : 1A5KWHA MS handover from 1800 Band to 900 Band.. after than sudden drop RxLevSub:good, RxQualSub:Good, RLT not decrease
Log file : 1A7SUL2 MS Handover from BCCH:826 to BCCH:829 after than sudden drop RxLevSub:good, RxQualSub:Good, RLT not decrease
Log file : 1A8WTQ2 MS handover from 1800 Band to 900 Band.. after than sudden drop RxLevSub:good, RxQualSub:Good, RLT not decrease
TEMS Automatic and TI 9
haq_enam
2010-12-25, 12:46 AM
Hi
I found some issues for Handover showing below Log files. Can you check neighbour definations about this.. And do you use baseband hopping?
Log file : 1A5KWHA MS handover from 1800 Band to 900 Band.. after than sudden drop RxLevSub:good, RxQualSub:Good, RLT not decrease
Log file : 1A7SUL2 MS Handover from BCCH:826 to BCCH:829 after than sudden drop RxLevSub:good, RxQualSub:Good, RLT not decrease
Log file : 1A8WTQ2 MS handover from 1800 Band to 900 Band.. after than sudden drop RxLevSub:good, RxQualSub:Good, RLT not decrease
It is BB hopping....Neighbor definations between 900 and 1800?
sonerss
2010-12-25, 07:27 PM
Yes when MS made a HO 1800 band to 900 Band, suddenly occurs drop call. Maybe you can Check HO parameters.. and Neighbour definations...
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