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Member
Reputation: 65
SDCCH Drop Problem
Hi all,
I'm facing a big problem, I have a big number of SDCCH drop per cell in my area which decrease CSSR (nokia product).
Please advise
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2009-06-01 07:01 PM
# ADS
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Check the hardware (i mean TRXs)!!!
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Originally Posted by
electron
Check the hardware (i mean TRXs)!!!
change SD to ather TRX !!!
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Originally Posted by
taki
Hi all,
I'm facing a big problem, I have a big number of SDCCH drop per cell in my area which decrease CSSR (nokia product).
Please advise
Hi,
1. Kindly check the alarms whether there is alarms on TRX, Combiner, etc
2. Check Interference, (Co/Adj BCCH or other freq), change the ARFCN to the clean one.
3. Finally, you can move the SDCCH Channel to the other Trx which is clean
br
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Member
Reputation: 65
Thanks friends for your suggestions but I tried all thinks mentionned without
success !!!!
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Originally Posted by
taki
Thanks friends for your suggestions but I tried all thinks mentionned without
success !!!!
Tell me the specific problem, you give general data
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Member
Reputation: 65
Originally Posted by
gprastomo
Tell me the specific problem, you give general data
Hi gprastomo,
I'm facing a SDCCH drop problem for about 200 cells !!!!
-I tried to change SD from trx to another one but no success
-The frequency plan is good
-No HW problem
So what's the problem
Please help
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maybe it is N7 link problem,can you see some counter about A (BSC-MSC) interface?
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VIP Member
Reputation: 571
Originally Posted by
taki
Hi all,
I'm facing a big problem, I have a big number of SDCCH drop per cell in my area which decrease CSSR (nokia product).
Please advise
hi taki
i suspect transmission link ,and i advice you to ask for investigation A interface with
protocole analyzer,maybe there is hardware problem in bsc level matrix responsible to make connection through transmission link between bsc and bts devices during immediate assignmente.
have a look !
http://www.finetopix.com/showthread.php?t=1664
br hassen
Last edited by hassen; 2009-06-02 at 06:30 AM
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Member
Reputation: 65
Originally Posted by
hassen
hi taki
i suspect transmission link ,and i advice you to ask for investigation A interface with
protocole analyzer,maybe there is hardware problem in bsc level matrix responsible to make connection through transmission link between bsc and bts devices during immediate assignmente.
have a look !
http://www.finetopix.com/showthread.php?t=1664
br hassen
Hi Hassen thanks a lot for your help, take care
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