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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..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 Vermathe 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
In addition to frequency check, also check for Hardware Alarms.
what is the dominant drop reasons (signal strenght, bad quality, TA,etc).
signal strenght
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
hi
can you give me description of cause of TCH DROP and SDCCH DROP
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.
what is the basic difference between sdcch drop and tch drop
hii,
i m found mostly sites sdcch drop in Ericsson system but tch drop not found. plz give me the reason.
regard
Gauravmay 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.
how to resolve the Problem of Tch Drop,we have extended configuration for many RBS.
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 )
Guys ,
can any one tell me that what does it mean SSBL in Drop due to Low SS BL
Thanks ,
Yaqubi
