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How many TS PDCH are Required for Edge

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  • #65705 Reply
    Mimo
    Guest

    Hi All,
    Need your help to answer this questions
    How many TS PDCH are Required in Edge for: MCS-1, MCS2,,,,,to MCS-9 ?
    and How Much bit rate Max for 1 TS PDCH ?

    Thanks
    Mimo

    #65706 Reply
    pix
    Guest

    hi mimo,

    the amount of TS PDCH does not depend on the coding scheme (MCS-*)
    if one PDCH is carrying “MCS-9” it means the the bitrate of this PDCH is 59.2kbps.

    if one MS is using 4 PDCH @ MCS-9, then the MS gets a (theoretical) throughput of 59.2kbps * 4.

    On the Abis interface, 1 TS PDCH will be mapped on “n” Abis 16kbps resources (=nibbles).
    If MCS9, then 1 PDCH = 4.5 nibbles
    If MCS-5, then 1 PDCH = 3 nibbles
    If MCS1, then 1 PDCH = 1 nibble

    the explanation is that 1 nibble = 16kbps, it carry only a static throughput. While the PDCH can carry a variable throughput.

    Cheers
    pix

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