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PDCHs

Viewing 15 posts - 1 through 15 (of 35 total)
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  • #62278 Reply
    guru
    Guest

    “Maximum Ratio Threshold of PDCHs in a Cell”

    Hi all ,Can any one explain me the actual discription of this huawei parameter..Is it for to calculate static PDCH or Dynamic?

    #62279 Reply
    Bijoy
    Guest

    Guru
    This parameter actually defines the maximum no. of PDCH’s in a cell(dynamic+static).
    Consider an Example.
    Say you set “Maximum Ratio Threshold of PDCHs in a Cell” to 30%
    No. of Static PDCH=3
    No.of TCH =28
    Then Max available PDCH=(28+3)*30/100 =9.3

    So,the maximum no. of Dynamic PDCH will be (9-3)=6.

    Br\\
    Bijoy

    #62280 Reply
    GURU
    Guest

    Thnaks Bijoy for the prompt reply..How you are taken No.of TCH =28 ? how many carriers 3?

    #62281 Reply
    guru
    Guest

    not 3 ..i think 4 ? also tell me whats the actual use of this parameter

    #62282 Reply
    Bijoy
    Guest

    Yes,I have taken 4 TRX for the cell.By this parameter you can optimize the Dynamic PDCH in a cell as per your requirement.

    Br\\
    Bijoy

    #62283 Reply
    Prabeen
    Guest

    Hi Bijoy,

    Can u tell me on wat basis should i do the TS expansion for EDGE?? Which criteria should i take n wat s the threshold. pls help

    #62284 Reply
    guru
    Guest

    Thanks a lot Bijoy

    #62285 Reply
    Bijoy
    Guest

    Hi Prabeen
    TS increment for EGPRS/GPRS should be done as per soft n hard blocking.For soft blocking increase Dynamic TS & for Hard increase the fixed ones.
    Criteria
    Soft Blocking > 5%
    Hard Blocking > 2%

    You can try flexi abis also to obtain good data KPI’s

    Br\\
    Bijoy

    #62286 Reply
    Prabeen
    Guest

    Thanks Bijoy,

    But could u explan wat is soft n hard blocking.

    #62287 Reply
    guru
    Guest

    Bijoy one more doubt ..what would be the impact if i make the ratioo to 100% ?
    Also pls explain soft n hard blocking.

    #62288 Reply
    Bijoy
    Guest

    Guru/Prabeen
    Hard Blocking means user is totally deprived to get any channel for data,i’e PDCH.
    Soft Blocking means user is not totally deprived of data channel,but it is not up to the mark of the user capability,say the MS is capable of 4 TSL’s in DL & 2 in UL,but it is assigned 2 in DL & 1 in UL.

    Guru
    If you make that 100%,it will mean all your TCH’s can be used as dynamic PDCH.In that case,the parameter “Maximum PDCH numbers of carrier” should be set as “8”.

    But never set it as 100%,it will affect the CS services

    Br\\
    Bijoy

    #62289 Reply
    Prabeen
    Guest

    Hi Bijoy,

    That was a beautiful explanation. Also, Could u tel me the process or command to retreive the data from server in Ericsson system.

    And, I have got most of my Cells with High Packet Channel Allocation Failure. Could you tell me thereason for this? The CS traffic is considerably low for all these cells. N i dont have any RPP constraint. Wher else should i invent?

    pls help.

    #62290 Reply
    guru
    Guest

    Thanks Bijoy , wonderful,

    #62291 Reply
    Bijoy
    Guest

    Hi Prabeen
    What is your vendor?Is it Huawei??

    Br\\
    Bijoy

    #62292 Reply
    Prabeen
    Guest

    Hi Bijoy,

    Its Ericsson

Viewing 15 posts - 1 through 15 (of 35 total)
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