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  • This topic has 252 replies, 1 voice, and was last updated 12 years ago by DangerousMinds.
Viewing 15 posts - 166 through 180 (of 253 total)
  • Author
    Posts
  • #35326
    al-shamsi
    Guest

    hi engineers,

    i want to know testing and commissioning of Huawei 3812 node B,pls give any website address.

    #35327
    Saurabh Shukla
    Guest

    Hi i am Rf engg. in Cdma technology
    firm as i am a starter so i would like to know more about the Business So do Join me in ur sharing List

    #35328
    manoj kardam
    Guest

    hi,
    plz. tell me basic knowledge of
    BTS, PDH, micro SDH,XDM.
    what is the topology between BTS&
    BSC.?
    how is the call setup between BTS& BSC?

    regards
    manoj

    #35329
    madhu
    Guest

    Hi
    I A and B are in different MSC, and there is a call drop because of some problem in A network.

    1)Will this be a normal call B
    2)or will it be a call drop both in A and B.
    2)What messages will the BSC get in this case.

    Regards
    madhu

    #35330
    avinash
    Guest

    how many pcm links are required for a fully loaded(12 TRX) gsm bts.

    #35331
    Naren
    Guest

    Hey Avinash,

    1PCM–>2048Kbps(32 Channels)
    1–Framer,1 Signalling.
    So remaining 30 channels –30*64k=1920Kbps

    Abis Signalling needs 64k;
    Speech (4x16k TCH are multiplexed in 1x64k): means in 1xTRX—->128k
    So 12 TRX—>12*128= 1536K

    So 1PCM is more than Enough for your 12 TRX config

    #35332
    Mostafa
    Guest

    To Avinash,

    I think that (12 TRX TS)depends at least on 2 parameters:
    * Lapd signalling you have.
    * Confact parameter.

    #35333
    sanjay
    Guest

    hi,
    i want to know about DXX Ericsson.can any one help me regarding this.

    regards
    anjay

    #35334
    Cege
    Guest

    Hello people,

    I want to know what is signalling
    concentraded and unconcentrated and what it´s the relationship at the moment to define a TRX with its Timeslots and rblt´s.

    Exists any document in the Web that talk about this and we can read?

    Thank´s a lot.

    Cege

    #35335
    Shamem Ahmed
    Guest

    to mr madhu,

    Yr question is not BTS part, it is transmission part. Here i give y a basic idea about this.

    There are various capacity configuration of transmission like..

    e1,e2,e4 etc. are 1e1=2m, 2e1=4m etc. are are not synchronization, i.e PDH. also for pdh equipment are different.

    on the otherhand in SDH (synchronization digital hierarkey) are stm1=155m,stm4=622m,stm16,stm64=10g etc. also sdh equipment are different.

    thanks

    #35336
    sudhir &jitendra
    Guest

    hello sir ,
    i want to know that CDU BECOMES FAULTY AND SUDDENLY BECOMES IN OPERATION MODE ITSELF. AND IT SHOWS BTS INTERNAL AFFECTED AT BSC END . HOW DOES HAPPEN AND WAT SHOULD WE DO.

    #35337
    Emad K
    Guest

    Hi,

    kindly plz tell me what’s the max an min Tx power from omni antenna which will not effict the user , i’m talking about indoor coverage , and i’m using RBS 2206 ericsson, it will help me regarding RF design and callculation (Link Budget).

    BR.

    #35338
    AZZLEE
    Guest

    Hello to all,
    Could any one tell me about Minilink Traffic Node,& is there any differentiation between Minilink C/E? Thanks for your cooperation…

    Rgds,

    #35339
    suleimane abdu
    Guest

    HI all!
    please i need some explanation on Ericson BSS hardware configuration.
    Also the BSC capacity in term of BTS

    #35340
    emre
    Guest

    synchronization digital hierarkey

    Synchronous Digital Hierarchy

Viewing 15 posts - 166 through 180 (of 253 total)
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