- This topic has 38 replies, 1 voice, and was last updated 8 years, 10 months ago by Bhaw Nath.
2nd December 2009 at 16:18 #55128PixGuest
increase capacity at network level.6th December 2009 at 07:15 #55129AustinGuest
Hi Everyone, has anyone treated this alarms for Nokia equipment..? “working SDCCH channel below threshold” please kindly tell how. Thanks13th December 2009 at 09:41 #55130MakGuest
For The SD Drop Reasons in Nokia system you can check Report No 166 and 204. You will find out the sd drop reasons.13th December 2009 at 13:06 #55131MakGuest
“working SDCCH channel below threshold”.
What I think your cell is required more SDs.
Could you tell me your sd configuration against Cell Trx Configuration.14th December 2009 at 18:30 #55132kurbehGuest
My SDCCH Configuration is one SDCCH block per TRX, still having high SDC drop!!!22nd April 2010 at 06:15 #55133pavit kapoorGuest
You can change RET n SLO for SD drop to Solve2nd September 2010 at 18:54 #55134SwadhinGuest
One of my BSC having SD Drop more than 2Month…..
There is no such type of crical alarm.
& also I have checked all Freq, bsic,maio,hsn..ets..
No outage in BSC.No Ater prob..
No such type of hard ware issues..
Can any one Suggest me How I can improve in bsc..
I am working in Nokia System23rd December 2010 at 17:26 #55135arunGuest
how to reduce the sd drop an we have more sd allocate after that i face problem24th December 2010 at 06:43 #55136Iqbal AhmedGuest
Dear Swadhin ,
1.you need to check the 236 report for Overshooting.
2.need to check the timer for sdcch. if its less increase it.
3.with 196 report check the quality of the particular trx on which sdcch is present .if quality seems to be bad then change the sdcch to another trx.31st December 2010 at 18:24 #55137AhmadGuest
You can change T200S timer to decrease SDCCH Drop.2nd January 2011 at 07:10 #55138KARTHICK.RGuest
I’m new to Telecom field.
I want to know the differance between SD block & TCH Block and how to reduce it…
my mail id:- firstname.lastname@example.org March 2011 at 07:00 #55139SwadhinGuest
Dear Iqbal Ahmed,
There is no such type of Overshooting Issues.
Sd Drop has been degraded not cosistently..
Is there any BSC Parameter need to change..
already changed RXTA, ITCF etc…
Every alteranate 5 days it has been occurred….
Supposed 5 days it is going to smooth & after it has been degraded very badly…
Pls suggest me if any BSC level parameter change or BTS level para need to change..
BTS .. AHOP,SENA, RXDIV..all the para has been changed…Timer also changed..T200, T3101
OPls suggest me the timer regarding SD drop23rd March 2011 at 07:03 #55140SwadhinGuest
There is no such type of DAC issues..also28th March 2011 at 07:48 #55141bjushkaGuest
What is the value of the parameter rx level access that you have in your network?
bjushka28th March 2011 at 09:20 #55142tauseefGuest
check traffic and utilisation of the particular bsc..