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BTS TRX

Viewing 15 posts - 46 through 60 (of 78 total)
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  • #50949 Reply
    yassine
    Guest

    hi, need last omt version if possible. thanks.

    #50950 Reply
    Mohit Goyal
    Guest

    Hello Kalim bhai,

    How many Time slots are there in one channel.

    #50951 Reply
    MOG
    Guest

    WHAT IS LAPD…?

    #50952 Reply
    Malay Das
    Guest

    In a busy hour :
    According to Erlang B table, 7timeslot (1 trx in combined mode) with 2% GOS =3 Erlang(in 1hour).
    But according to Erlang Definition it should be 7Erlang (in 1hour).
    So, Where is that remaining (7-3)= 4 Erlang??

    #50953 Reply
    pix
    Guest

    hi,

    the system capacity is 3erl@2%…

    it means that when 3 erlangs are sent into the system, there are 2% which will be rejected.

    If you send 7 erlangs, there will be about 50% of these 7 erlang which will be rejected.
    The reason is that only 7 simultaneous can be handled. And statistically, 50% of the incoming calls will arrive when all 7 TS are busy.
    And other times, only 2 or 3 TS are busy.
    This is all linked to the random arrival of calls.
    regards
    pix

    #50954 Reply
    Malay Das
    Guest

    Hi Pix,
    Thanks for the answer.
    But still I am cunfused..

    But If, the TRX is totally free and 7calls arrived at a particular time, and the duration of each call is 1 hour.
    Then what will happen??
    It will 7 erlangs or as usual 2.94 Erlangs?

    #50955 Reply
    pix
    Guest

    malay,

    yes, those 7 calls that last one hour would be measured as 7 erlangs.


    now, to go a bit further : you agree that 7 simultaneous calls of 1 hours will never happen !

    The erlang B table is actually telling you how “real” subscribers are going to behave, and what is the capacity of your system, relatively to this chaotic world.

    Cheers
    pix

    #50956 Reply
    Malay Das
    Guest

    THX Pix…

    #50957 Reply
    Romi
    Guest

    i am not technical from background but still i have interest to know abt erlang generation process

    Q:- what is function of MW / Core and Transit in entire network function

    #50958 Reply
    Narendra Gangwar
    Guest

    who one trx can hold 2.94 Erlang traffic

    #50959 Reply
    pix
    Guest

    narendra,

    one trx contains 8 timeslots, and let’s say 6 of them are TCH.
    in such case, in maximum usage, a TRX could carry up to 6 erlangs.

    So 2.9 erlangs is possible.

    regards

    #50960 Reply
    sumit singh
    Guest

    there are 4 channel in one time slot

    #50961 Reply
    RAKESH BHATIA
    Guest

    How can identify the data capacity if i have the number of nodes. Say i have 50 nodes, how much data can possibly it can handle

    #50962 Reply
    hani
    Guest

    hi eveybody
    A bts has 12 trx
    how many channel this bts has?
    please help me

    #50963 Reply
    Zach
    Guest

    Frohe Weihnachten

    @RAKESH BHATIA,
    if you are dealing with data capacity, it’s not similar with voice capacity forecast, talking about data/PS will be end up in end user perception ( maximum throuhgput ) target, no matter technology you use, GSM, WCDMA, LTE, you name it.

    But be carefull when you move further into throughput discussion, try to have deeper understanding about RLC/LLC throughput or even network throughput by using counter in measurement

Viewing 15 posts - 46 through 60 (of 78 total)
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