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Reply To: Grade of Service


Hi all,
I am Vadan from India, working for a CDMA service provider. Recently we have ordred Huwavi IP Switch and they have sent their call model.
There are few terms which i have heard first time. ONe of them is
Integrated BHCA. To find BHCA we used formula BHCA = Total (Erlang/Erlag per sub)*BHCA per Sub
Traditional TDMA network formula.
Can anyone help me to find IP BHCA formula if i have followng data
BHCA per sub; 2.23
Erlang per sub: 35mEr
Total Erlang capacity: 20000
Average holding time: 56.30s

I would also like to know what is redundancy BHCA ?

with r’gds