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If it were to describe the traffic in a mobile phone network, what would be the best mathematical distributions?

It would be more of a combination of distributions? Which distribution would describe better normal traffic and which would describe better high traffic?

I have seen lots of distribution being used in many articles, but I don't have the knowledge to conclude which is better for real life simulations.

Note: I am more interested in the distribution of number of calls in a period of time, for short and long periods of time also.

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The best mathematical distribution for what? Number of calls per minute? Number of calls given the hour of the day? Duration of calls? – Chris Taylor May 3 '12 at 12:38
I updated the answer in my questions. Thank you for helping making it more relevant. – Coral Doe May 3 '12 at 12:45
I have retagged this question, since "distribution-theory" is about a branch of functional analysis, not probability. – M Turgeon May 3 '12 at 14:26
up vote 1 down vote accepted

The Poisson distribution sounds about right if you are interested in number of calls over a time period.

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