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# erlang +blocking probability in relation

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akshay
Guest

i want to know the unit erlang in relation with the blocking probability in a cell
for example–
for a given number of channels n=250 with blocking probability of 2% the no. of erlangs from erlang- b table is aprox. (238)and with blocking probability of 50% the value of erlang is something more than 400
i want to know how?

teki
Guest

try the white pages in this websie, tells exactly wat ur lokin 4.

Ati
Guest

Erlang B formula gives no of traffic in erlang from given number of channel and blocking probability. This formula gives no of blocking(call rejected) with input of number of channel and traffic. To know the formula, you can go to teletraffic handbook website and go to chapter Erlang B formula

It is logic that when you increase the blocking the number of traffic is greater because you make constant of number of channel.
Briefly the formula like this
B(n,a)= Blocking
n= no of channel
a = traffic

In you case n is constant, the different is blocking. When Blocking is less then traffic is less and otherwise.

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