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half and full rate

Viewing 11 posts - 1 through 11 (of 11 total)
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  • #57912 Reply
    kasdir
    Guest

    hi
    what is difference between half rate and full rate
    in functin
    in half rate two subscriber use one timeslot can you exlain this
    thank’s in advance

    #57913 Reply
    Pix
    Guest

    half rate : one subscriber is coded at a rate of about 6kb/s
    full rate, one subscriber is coded at a rate of about 12.2kb/s

    in half rate, one subscriber will use only half the capacity offered by 1 timeslot.

    Physically : the MS in HR mode is sending a burst only 1 out of 2 TDMA frames.

    Cheers,
    Pix

    #57914 Reply
    ajay
    Guest

    what r crition for using half rate & full rate traffic , when we use half rate & full rate traffic.

    wat is importance of k far & l far
    in H.R. & F.R.

    #57915 Reply
    Pix
    Guest

    ajay,

    usually, it depends on the load of the cell (busy TCH / available TCH). If cell is loadaed, the new incoming call are setup in HR.

    that’s vendor dependent, so i can’t give you the parameter names.

    #57916 Reply
    ajay
    Guest

    thank’s pix

    Can u plz tell me wat r the advantage of full rate traffic over half rate?

    wat r the other reason for shifting form half rate to full & full to half rate .

    Dear pix i want some study material to learn MAIO ,BCCH & HSN Planning , can u help me
    me contact id is ajayrajput86@gmail.com

    #57917 Reply
    Pix
    Guest

    Ajay,

    see my 1st answer below.

    for maio and so on, you can check out other topics in this forum and books.

    I can only answer questions, I can’t give you any documents, sorry.

    #57918 Reply
    kasdir
    Guest

    thank you very much pix

    #57919 Reply
    ajay
    Guest

    thanks PIX

    can u tell me wat is dep ID , wats its important

    #57920 Reply
    sandeep
    Guest

    is half rate increases traffic?

    #57921 Reply
    narasimham
    Guest

    hi,
    recently i am getting a problem in my rf network , when sites are planned closely i.e., in dense urban area observed a degraded speech quality in handover zone . when i called my vendor in this rgard , he said it happens so in handover zone , but i didn’t experinced this previously . can u kindly advice what to do n expalin what’s the problem?

    #57922 Reply
    pix
    Guest

    hello,

    it’s difficult to answer, because you don’t provide any detail ! so here are some questions, to help me help you 🙂

    could you please write down which indicators or which measurements are showing “degraded speech quality” ?
    what do you mean by HO zone ?
    what kind of hopping are you using ?
    what is the intersite distance ?
    what is the downtilt applied and the antenna height ?
    how many TRX/cell ?
    in terms of qos stats, do you notice anything ?

    cheers
    pix

Viewing 11 posts - 1 through 11 (of 11 total)
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