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GSM basics

Viewing 15 posts - 46 through 60 (of 157 total)
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  • 22nd July 2004 at 13:57 #34460
    Pramod Nair
    Guest

    To Mohhamed,
    We calculate traffic in terms of Erlang
    Take the total nos of TRX in to consideration,Remove the BCCH time slot and we have got 7 ts in one carrier .
    Take the equivalent erlang in the TS
    Take erlang per subscriber
    divide the total erlang by erlang per carrier(depending on the carrier)
    And lo u get the max subsccriber(max voice traffic)in the carrier

    25th July 2004 at 07:18 #34461
    Mohammed Nayeemuddin
    Guest

    Hi Mr Pramod Nair

    Thankyou v much for your eplanation regarding trafic chnanel. Really u r brilliant, i have ask this question to many people, but no one could answer this question.Pls if u have some important technical points regading GSM And CDMA concepts pls let me know.And if i have any doubts i will give you trouble again.

    Thankyou once again

    26th July 2004 at 06:33 #34462
    Satheesh
    Guest

    Hi,

    I’m new to this domain with only little knowledge of the Telecom/Switching. I wish to know more about various switches, their CDR formats and how CDR is passed on to the external billing system (eg ftp)

    I want to improve my knowledge of telecom technology and request u experts to guide me on the same
    where can i get these information on CDRs of various switches?

    Where can i find the replies to the queries? I hadn’t seen much on this page

    regards,
    Satheesh

    28th July 2004 at 12:33 #34463
    Pramod Nair
    Guest

    some body with material on GPRS /EDGE DIMENSIONING
    JUST GIVE A PING

    29th July 2004 at 12:19 #34464
    Naresh
    Guest

    Hi
    every one i am new for this domain
    i want shair experience
    and learn from all of you

    4th August 2004 at 08:33 #34465
    Saikat Sarkar
    Guest

    Hi,

    I’m new to GSM Tech.
    Pls let me know the DUAMCO, CU, DULNA & their relations regarding SIEMENS BTS

    7th August 2004 at 09:33 #34466
    suba
    Guest

    Hello everybody,

    Can anyone help me in knowing about CAMEL’s CAP messages formats.

    please help me out,
    Can anyone send any document about it.

    suba

    12th August 2004 at 15:43 #34467
    Vuyof Ngwo
    Guest

    Hi Mohammed,

    In respond to your question,of howmany voice calls can be made in one traffic channel,I will tell you 7 calls can be made.Following the GSM principles of 8 TS,this means 7calls can be made while one TS is left for signallisation.

    14th August 2004 at 06:43 #34468
    Mohammed Nayeemuddin
    Guest

    Hi
    Mr Vouyf ngwo

    Thankyou v much for your response for my question.One thing i did’nt uderstand that in one traffic channel there will be 24 TDMA frames and each TDMA frame having 8 times slot ie 8 bursts and each lasts for .577 ms.so if want to know ,how many calls can be made in one traffic channel will it be 7 or 7×24.
    second thing accoding to Mr promod nair explanation on 22nd july 04,he has shown one procedure. consider total no of TRX then remove BCCH, take eqvivalent erlang in TS,then take erlang per subscriber then divide total erlangs by erlangs per carrier to find no of vioce calls can be made in one traffic channel at a time.
    Going through all this, can you give more clear explanation, that how can we find the total nuber of voice calls we can make in one traffic channel at a time.

    29th August 2004 at 11:37 #34469
    yacine
    Guest

    i like to receive document pdf about bts siemens XL240

    7th September 2004 at 20:20 #34470
    emugerwa
    Guest

    Dear Guys;

    Is anyone in knowledge of why we CAMEL billing principles? That is what parameters should exist in the CDR for proper roaming? My address is emugerwa@hotmail.com for any replies thanks

    15th September 2004 at 13:11 #34471
    Kiran
    Guest

    Hi,Can u give the Details of Radio
    Network Management(GSM Network).
    I need Source of Information and Book on this topic

    20th September 2004 at 16:54 #34472
    Hari
    Guest

    Hello Suba,

    Can i know what is you are looking for?.

    -Hari

    24th September 2004 at 19:52 #34473
    Mohammad Yasin
    Guest

    Hi All
    I am working on NOKIA BSC’s and have problem in using function of SPLITTING BSSs i.e to shift a site from one BSC to another.Please if anyone can help me mail me at
    engineeryasin@yahoo.com
    Thanks

    27th September 2004 at 02:02 #34474
    JCD
    Guest

    I’m also very much interested in knowing the theory behind Cell Split… How does it defer against Half-Rate?

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