Entry

Math: Traffic engineering: Unit: Erlang: What is the Erlang unit of traffic? [telephone]

Feb 19th, 2006 10:18
Knud van Eeden,

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--- Knud van Eeden --- 28 December 2004 - 05:02 pm -------------------

Math: Traffic engineering: Unit: Erlang: What is the Erlang unit of 
traffic? [telephone]

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The Erlang unit of traffic is defined as
(e.g. specific for telephone calls)

 (total amount of calls per time unit) . (average time per call)   (1)

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e.g.                                                               (2)

total amount of calls per time unit = 80 calls per hour

average time per call = 10 minutes = 10/60 hour = 1/6 hour

Putting (2) in (1) gives:

 80 . (1/6)

= 80 / 6

= 13.33... Erlang

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Internet: see also:

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Math: Traffic engineering: Can you give overview of links about the 
distribution of telephone calls?
http://www.faqts.com/knowledge_base/view.phtml/aid/39736/fid/815

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