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dect systems & erlang

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  • #40590
    Dimitris Roussos

    My question reffers to DECT systems
    in which we have to care about two kind of capacities, the
    first one related to the number of base stations (antennas
    with capability to handle 4 simultaneously conversation))and
    the second one the number of DECT handsets.

    Generally only 10% of DECT handsets could be in involved
    (simultaneously)in conversation.
    My question is how we can extract the erlang figure based on
    the above numbers ?


    Thanks for ur intrest with DECT
    I have already worked with DECT system there i could allow 12 persons at a time to one CBS(compact base station)as we can think DECT has 24 time slot of 10 ms out of this 5 ms for RX and 5 ms for RX.
    Comming to ur que as i know erlang is just a messuring unit of traffic it may be BHCA in erlang or any other type of traffic.we may think how many DECT speech channels(u may further define traffic with perticular base station or a dect system as a whole) are available as compare to the busy speech channel u may calculate the traffic in that way.


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