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Network Opt. and KPI Monitoring

Viewing 15 posts - 16 through 30 (of 40 total)
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  • #43930 Reply
    pix
    Guest

    yep, it’s the amount of trafic handled by the network at a certain time that matters (i.e. for dimensionning or for QoS monitoring reports, or whichever purpose).

    Not a “virtual” max traffic that cannot happen…

    #43931 Reply
    Yves
    Guest

    The network have different BH than BTS, That is the fact. When dimensionning network elements, you have to considered individual BH for the BTS design, and BH given by MSC/BSC load for the rest of elements

    #43932 Reply
    HSDEEP
    Guest

    The BH at a BSC level is definitely not the sum of the BH of all cells. But it is usually possible to estimate it from the sum of the BH of all cells using a “Moderation Factor”. For instance with Alcatel, under classical call mix, you can get BH traffic by summing all BH at cell level and then by multiplying by 0.8 (moderation factor).

    #43933 Reply
    hashem
    Guest

    hi have a problem in data call
    when i have a data call (GPRS)and recording any log with my tool(tems investigation) i have a expired time out (T3168 EXPIRED )and i have not any info about that ,can you help me about that ,what affect of this fault in my data network
    BR
    HASHEM

    #43934 Reply
    Tech Man
    Guest

    Hashem,

    Here’s the definition of T3168 timer:Wait for Packet Uplink Assignment message

    The timer T3168 is used on the mobile station side to define when to stop waiting for a Packet Uplink Assignment message after sending of a Packet Resource request message.

    The timer value is modifiable.The unit is 500ms (0=500ms, 1=1s, 2=1.5s, etc.)- Minimum value is 1 and Maximum value is 7. However, you’d need to wait for 5 minutes for the changes to take place. Also, you need to disable GPRS and Re-enable GPRS for those cells where GPRS is enabled for the changes to take effect.

    Hope this helps.

    #43935 Reply
    DJ
    Guest

    What are all the main KPIs we have to observe for CORE NW ?

    Rgds

    #43936 Reply
    aso
    Guest

    dear hashem
    may be you have congestion on PCH and check your CCCH configure.

    #43937 Reply
    harsh kalra
    Guest

    The T3168 timer is the timer which affects you TBF success ratio. Generally, the default value is 1000ms. when this timer expires, your TBF sucess ratio is affected if the TBF is not assigned in the stipulated timer expiry period. In short, it is like the RLT for TBF ass. sucesss

    #43938 Reply
    sds
    Guest

    hi,
    Is the timer T3168 only for satellite sites or it also has effect on normal sites?

    #43939 Reply
    bill
    Guest

    in our network tbf drop rate is almost 6%. i want to improve it to 2%. Any suggestions, the vendors are nokia and siemens….

    #43940 Reply
    bill
    Guest

    any one please reply:

    in our network tbf drop rate is almost 6%. i want to improve it to 2%. Any suggestions, the vendors are nokia and siemens….

    #43941 Reply
    Vicky
    Guest

    @ Bill:
    what iare the values for N3101,N3103 & N3105

    #43942 Reply
    Sandip
    Guest

    TBF success rate can be improve by reducing the value of Inactive period UL TBF

    #43943 Reply
    pix
    Guest

    Sandeep,

    At the expense of degrading the network latency…

    regards
    pix

    #43944 Reply
    angy
    Guest

    Hi,

    I have 2 questions =

    1- there are call drops with the cause : suddenly loss, on the whole site. do you know it ?

    2- how can I see interferences of a site, on the statistics (KPI) ?

Viewing 15 posts - 16 through 30 (of 40 total)
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