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BTS TRX

Viewing 15 posts - 31 through 45 (of 78 total)
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  • 4th June 2010 at 06:36 #50934 Reply
    islam ali
    Guest

    wat is the basic function of the Trx in Bts? how a call run’s in a bts?

    9th June 2010 at 13:13 #50935 Reply
    KJB
    Guest

    Hi MR.Singh

    Kindly Consult NED for Nokia TRX.

    Thx
    Khalid

    12th June 2010 at 07:31 #50936 Reply
    kalim .i
    Guest

    hello dear function of noika trx:-

    1 trx card supports 8 time i.e. max. no of 8 users . but not practically. it will supports max. no of 7 callers.

    since 1 time slots = 16 kbps

    Here,
    max no of callers, if
    4+4+4(using 8 users)=96 users at H.R
    4+4+4(using 7 users)=84 users at H.R

    4+4+4(using 8 users)=192users at F.R

    4+4+4(using 7 users)=168 users at F.R

    Function of Trx=

    trx consist of 1 Tx, 1 main Rx and 1 diversity Rx.
    Trx unit perform Rf modulation/demodulation and amplification of one Rf carrier.

    It also handle uplink signal from ms to bts and downlink signal from bts to ms.

    thanks

    1st July 2010 at 11:41 #50937 Reply
    nitish
    Guest

    trx is a hardware insite bts.one trx can take at a time maximum no of 8 calls on full rate and 16 in full rate ,this also may not possible since time slots are required signalling purposes also

    7th July 2010 at 09:18 #50938 Reply
    islam ali
    Guest

    wat is the function of duplexer @multicoupler in the nokia designed Bts.?

    7th July 2010 at 11:06 #50939 Reply
    Bijoy
    Guest

    Hi Islam Ali
    Functions of Duplexer:
    1.combines transmitted and received signals into one antenna
    2.amplifies received signals with a variable-gain LNA.
    Functions of multicoupler:
    The multicoupler splits Received (RX) and Diversity-Received (DRX) signals and distribute them to the Transceiver units.

    Br\\
    Bijoy

    13th July 2010 at 09:23 #50940 Reply
    Rajiv Singh
    Guest

    How many call run at the same time on single trx

    1st September 2010 at 17:20 #50941 Reply
    rajib jena
    Guest

    i want to know how bts works in detail?

    2nd November 2010 at 10:27 #50942 Reply
    Narender reddy.p
    Guest

    what is the permanent solution of cfr,mean holding & path loss

    24th November 2010 at 08:12 #50943 Reply
    Umeer
    Guest

    would you please explain in detail the function of TRX without any vendor reference ??
    thanks in advance

    7th December 2010 at 10:00 #50944 Reply
    Vivekananda Maity
    Guest

    Dear Team,

    What is the function of LAPD

    2nd January 2011 at 16:24 #50945 Reply
    savan
    Guest

    multicoupler in bts?

    2nd January 2011 at 22:16 #50946 Reply
    kim
    Guest

    hi , I am a fresher and i m really want to learn the details about the trx and e1 . how the calls are carried out . what it is made up of and other detal . kindly guide me from where i can get the material on net

    5th January 2011 at 10:36 #50947 Reply
    pankam
    Guest

    wtat is tscand wts its function in bcch trx,,,,

    8th February 2011 at 12:05 #50948 Reply
    MRG
    Guest

    DUPLEXER is a passive device where TX and RX signals are connected to same antenna for simultaneous transmission and reception.
    MULTICOUPLER is a passive device where received signal is splitted to feed a number of receivers(4,8,16).
    COMBINER is a passive device where two or more transmitters are combined to feed to a single antenna.

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