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SDCCH and TCH DROP in Ericsson network

Viewing 15 posts - 1 through 15 (of 16 total)
  • Author
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  • #60297 Reply
    campus
    Guest

    hi;
    having a lot of SDCCH drop and TCH drop in a particular site, i would ask about any corrélation between the SD and the TCH drop??
    thank you..

    #60298 Reply
    Deepak verma
    Guest

    I woud like to know the cause of sd drop,tch drop,sd congestion. so if u can solve ma problems then revert me with some detail of all these..

    Regards
    Deepak Verma

    #60299 Reply
    Firas
    Guest

    the relation is that what ever interference is impacting the TCH it for sure impact the SD as well, start by changing the frequencies especially the ones that are carrying the SD channels

    #60300 Reply
    Shivam
    Guest

    In addition to frequency check, also check for Hardware Alarms.

    #60301 Reply
    qwert
    Guest

    what is the dominant drop reasons (signal strenght, bad quality, TA,etc).

    #60302 Reply
    campus
    Guest

    signal strenght

    #60303 Reply
    monty
    Guest

    Hi,

    i am also working on eric sys and if drop is due to signal strength and quality then which para should be optimized if freq are ok

    #60304 Reply
    vipin kumar
    Guest

    hi

    can you give me description of cause of TCH DROP and SDCCH DROP

    #60305 Reply
    m12
    Guest

    Hi Monty,

    Is your drop reason SS on UL, DL or BL?

    If your frequency plan is OK (as well as Frequency Hopping parameters – if used)then probably the bad quality can be due to low Signal Strength which may be a result of coverage issues.

    Hardware problems may be a cause to the bad quality drops experienced.

    The solution to such problems may likely involve antenna physical parameters reviews including re-orientations, height reviews as well as tilt changes (depending on site location-urban/rural).

    For the case of low UL SS drops you may need to boost your UL SS with a TMA.

    m12.

    #60306 Reply
    arun dubey
    Guest

    what is the basic difference between sdcch drop and tch drop

    #60307 Reply
    gaurav
    Guest

    hii,

    i m found mostly sites sdcch drop in Ericsson system but tch drop not found. plz give me the reason.

    regard
    Gaurav

    #60308 Reply
    sam
    Guest

    may i know how to deal with bad quality drops in ul in ericson system… any parameter on which we can play.. or we can reduce the impact of ICM in tch drop.

    #60309 Reply
    dhokkar
    Guest

    how to resolve the Problem of Tch Drop,we have extended configuration for many RBS.

    #60310 Reply
    Mr.David
    Guest

    Hi Guys,

    There are some reasons SDCCH Drop and TCH Drop in Ericsson and we can classified which are the main reason which contributed to related KPI or Performance.

    SDCCH Drop that could lead by High Tch Congestion and Overshooting you can analyze by MRR and Physical Antenna audit.

    Otherwise you can try to shifting SDCCH to another Channel Group ( CHGR )

    #60311 Reply
    daoud
    Guest

    Guys ,

    can any one tell me that what does it mean SSBL in Drop due to Low SS BL

    Thanks ,

    Yaqubi

Viewing 15 posts - 1 through 15 (of 16 total)
Reply To: SDCCH and TCH DROP in Ericsson network
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