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It is recommended to calculate CSSR from Drive Test. Although for Ericsson systems the recommended CSSR formula is
CSSR = 100 * ([TCASSALL + TFCASSALLSUB + THCASSALL + THCASSALLSUB]/ TASSALL) * (1 – ([RAOREQ + RAAPAG + RACALRE]/CNROCNT) * (CCALLS-CMSESTAB)/CCALLS) * (1 – ([RAOREQ + RAAPAG + RACALRE]/CNROCNT)* (CNDROP – CNRELCONG)/CMSESTAB)
Hence it can be explained as
CSSR = TCH Assignment * (1-SD Establishment for TCH Calls) * (1-SD Drops for TCH Calls)
CSSR is standard to measure any call attempt which can be sucessfully be a call setup. CSSR is formula that usually used for DT KPI.
Hi Pak Mucky,
CMIIW
CSSR one of item in kpi which is belong to SD_DROP & SD_BLOCKWhat are the reasons for low Originating call setup Success Rate (Low originating CSSR) in CDMA
what is the huawei cssr formulae?
WAT IS MEANT BY CSSR AND DCR?
I want to know the expansion for the terms mentioned in following formula.
CSSR = 100 * ([TCASSALL + TFCASSALLSUB + THCASSALL + THCASSALLSUB]/ TASSALL) * (1 – ([RAOREQ + RAAPAG + RACALRE]/CNROCNT) * (CCALLS-CMSESTAB)/CCALLS) * (1 – ([RAOREQ + RAAPAG + RACALRE]/CNROCNT)* (CNDROP – CNRELCONG)/CMSESTAB)CSSR stands for call set up success rate……it is one of the KPI’s used for measuring the performance of network
What is the process ? can you give me one example please ?
Hello
Need a Favor please
Any idea about the 2 Below KPI
– Average uplink CE congestion rate
– Power Congestion
• Which input to use
• Any Measurement Protocol
• Minimum Level
• Formula to useMany Thanks
ChrisHi Chris
Could you pls specify the vendor.Br\\
Bijoy
