[nghiahq]

Hi all,
Iam facing the SDCCH congestion problem, and I’d like to know how to calculate the traffic of SDCCH channel in Erlang unit. Is this using Erlang B table?? plz help me!
Thansk in advance!

[Ahmed M.]

1 Erlang is a circuit being used for a duration of one hour.

The SDCCH capacity is affected by the configuration you are using. For example it will differ if you use combined or non-combined SDCCH, or if you have additional dedicated SDCCH channels, certain radio feature.

Since SDCCH is a set of sub-channels, the total capacity will consider the number of sub-channels as the number of circuits and QoS requirement should be more aggressive, typically 0.5%, now you can use both figures to calculate the supported traffic from teh Erlang B table.

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