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CDMA traffic Design

Viewing 7 posts - 1 through 7 (of 7 total)
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  • #34836 Reply
    Hieuha
    Guest

    Hi every body!
    Now I’m designing CDMA-based WLL. Could anyone help me calculating Numbers of voice (coded QCELP 8kbps) was supported by 1E1?

    Thanks!

    #34837 Reply
    Indrajit
    Guest

    It really depends on how your system is designed.If you are vocoding all the calls from 8 or 13k voices to 16k and putting them in a PCM (so four in a TCH of 64k), you can calculate it. But some vendors like Lucent technologies is making a packet pipe against some 8/13k calls and putting them in a 2-16DS0 and using it towards the BTS.So it’s a vendor’s choice how to use the TCH for allocating the QCELP.

    #34838 Reply
    Tanmay Singhal
    Guest

    hi everyone!
    i have just completed my engg and have joined the RF Dept of LG Electronics. i would like to knwo how to design a system, given the total number of lines supported by the system and the traffic in erlang/ subscriber.

    thanks.

    #34839 Reply
    Antoine Soyoh
    Guest

    Could you please tell me where I can find an Erlang B Traffic table for IS95 CDMA carriers?
    Thanks!
    Antoine

    #34840 Reply
    Hieu Ha
    Guest

    Hi every body!
    Hi Tanmay Singhal!

    I have 15 k Subscribers of CDMA2000 1x network. Coverage area needs about 20 BTS.
    Services: Voice ~ 75%
    Data @ 64 kbps ~ 15%
    Data @128 kbps ~ 7 %
    Data @>128kbps ~ 3 %
    Voice service 0.05Erl/Sub@GoS0.05

    #34841 Reply
    HiepNgTr
    Guest

    Hi

    Could anybody provide to me (or tell me where has free/trial) software CDMA network design (cdma2000 1x better!)

    Thanks for any information!

    Bst Rgds
    Hiep

    #34842 Reply
    sureshbabu
    Guest

    hi everyu body
    could u plztell me ho do u design
    hand off channnel in case of cdma
    and gsm design of cell planning

Viewing 7 posts - 1 through 7 (of 7 total)
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