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Senior Member
Reputation: 502
CSSR formula
Hi
can any one help for more aggressive CSSR formula? already iam trying to put the below formula is it ok?
CSSR=immediate assignment success rate*tch assignment success rate*sdcch success rate
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2009-05-28 06:06 AM
# ADS
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Hi you can use this, generally like this
CSSR = number of success TCH Assignment/number of immediate assignment(for call)
br
Originally Posted by
RF engineer
Hi
can any one help for more aggressive CSSR formula? already iam trying to put the below formula is it ok?
CSSR=immediate assignment success rate*tch assignment success rate*sdcch success rate
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Originally Posted by
RF engineer
Hi
can any one help for more aggressive CSSR formula? already iam trying to put the below formula is it ok?
CSSR=immediate assignment success rate*tch assignment success rate*sdcch success rate
100*(sum(rach_attempt- rach_failure)/sum(rach_attempt))*(1-sum(sdcch_drops)/sum(sdcch_seizures))*(1-sum(sdcch_block)/sum(sdcch_attempt))*(sum(tch_seizures)/sum(tch_attempt)) = CSSR
Is it enough agressive m8?
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Senior Member
Reputation: 502
Hi
can you please give description for each of the raw counter you mentioned in your formula
BR
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Member
Reputation: 48
I posted a document with a brief description of the parameters , no sure if these are present in it but it is worth you take a look.
As always , thanks and reputaion welcome if it helped
http://www.finetopix.com/showthread.php?t=4063
BR
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(1-SD Drop Rate) * (1- RTCH Assignment Radio Failure Rate – RTCH Assignment BSS Failure – RTCH Assignment Prep BSS Failure Rate – RTCH Assignment Congestion Failure Rate)
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Senior Member
Reputation: 502
Originally Posted by
Processor
(1-SD Drop Rate) * (1- RTCH Assignment Radio Failure Rate – RTCH Assignment BSS Failure – RTCH Assignment Prep BSS Failure Rate – RTCH Assignment Congestion Failure Rate)
Dear thanks but i have one comment?
Why you are not taking directly RTCH assignmnet failure rate instead of 1-RTCH assignmnet fail due to the reason you mentioned.
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Basically its the same but i use this method to enable me know which of the fails is impacting most on my CSSR.
Let me know if you have any other concerns!
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Senior Member
Reputation: 502
Thank you my friend it is now being cleared for me it is user defined not vendor defined formula.
BR
RF
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