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care11.
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29th December 2010 at 19:16 #65420
jack
GuestHi all.
i have one question.
my vendor is nokia.
i have 3 METROSITE on same E1(ET).
i test this 2 senario for activating EDGE on these 3 sites:senario 1:i create 1 EDAP with 6 timeslot one same E1 And attach whole 3 sites to this EDAP.then i activate EGPRS on sectors of 3 sites(EGENA=Y),after one day i check KPI and i understand that only one site have GPRS/EGPRS traffic and other 2 sites doesnot have any GPRS/EGPRS traffic,after i disable EGPRS in this 2 sites(GPRS still active) these 2 sites captures GPRS traffic.
senario 2:i create 3 EDAP and each of them with 2 timeslot one same E1 and attach any of 3 sites into its EDAP.then i activate EGPRS on sectors of 3 sites(EGENA=Y),also in this case only one of 3 sites have GPRS/EGPRS traffic and and other 2 sites doesnot have any GPRS/EGPRS traffic.
i think that in nokia we cannot activate EGPRS on E1 that contains multiple sites(chained sites),CMIIW
i cannot activate EGPRS on 3 sites at the same time,i can activate EGPRS on only one of them and the other site only can support GPRS!
any solution?
30th December 2010 at 06:04 #65421Bijoy
GuestHi Jack
Try this
Create 3 DAP ID’s on this E1 & reserve independent TSL on it.
Say
DAP1=20,21
DAP2=22,23
DAP3=24,25Br\\
Bijoy30th December 2010 at 17:32 #65422jack
Guesthi Bijoy
thing that you say is senario 2.
i try that before.
two of 3 sites doesnot support EDGE and GPRS.
i think that something is wrong with SMCH(syncronization Master channel).
please give me another solution.31st December 2010 at 07:38 #65423Bijoy
GuestJack
Is there any sort of alarm on those sites where EGPRS is not working?Br\\
Bijoy31st December 2010 at 08:15 #65424jack
Guesthi Bijoy.
in case that 3 sites share 1 EDAP
i have only in 1 site EDGE and GPRS support and in other 2 sites i have no EDGE and GPRS traffic.i faund this by checking KPI,from KPI i have no DL TBF assighnment and i have no DL TBF traffic at all.just a few UL TBF stablished in EDGE and GPRS mode and i have no DL traffic for them.actually i have a few UL traffic for both of EDGE and GPRS but i havenot any DL traffic for them.
meanwile,for other 2 sites i have alarm 7725(traffic channel activation failure for PDTCH channel.when i split 1 EDAP to 3 EDAP,same result occure,but in this situation i have no 7725,actually in this case BSC can activate PDTCH for all of 3 sites,but KPI indicate that i have no DL TBF(DL traffic) at all.
31st December 2010 at 10:18 #65425Bijoy
GuestJack
Plz check the following
All the TRX’s connected to DAP must be connected to the same BCSU/PCU.
Also,RAC & NSEI should also be same.Br\\
Bijoy31st December 2010 at 13:00 #65426jack
Guestok.
i will check it tomarrow and reply to you the result.31st December 2010 at 13:30 #65427jack
Guesthi bijoy.
i check that very soon!
All the TRX’s connected to EDAPs
connected to same NSEI(PCU).
actually all 3 EDAP have Same BCSU and PCU and NSEI and PSEI!
the only thing that is different b/w TRXs that connected to EDAPs is LAPD of these TRXs that these LAPDs arenot on same BCSU!do you think that also in this case i have must same BCSU?4th January 2011 at 04:59 #65428jack
Guesti am wating for your reply,Bijoy
4th January 2011 at 09:35 #65429Bijoy
GuestJack
Yes,you can.& also perform a BCSU switchover activity in this BSC tonight if things are still the same.In the meantime,let me check if there is any pronto on this case.Can you tell me the BSC & BTS SW version.
Br\\
Bijoy4th January 2011 at 16:36 #65430jack
Guesti dont undersand BCSU switchover term.
do you mean i make BCSU switchover in all BCSU of this BSC or just make a BCSU switchover on BCSU that carry EDAP and Gprs Of these sites(all EDAP and GPRS of these 3 sites is on BCSU=6).
do you mean i make BCSU=6 in SP-EX state and then BCSU switchover can happen.
my BSC software is S12.
i will tell you tommorrow about BTS version.5th January 2011 at 03:54 #65431Bold
GuestI want know about some result.
how to calculate erlang of BSC, MSC in case of BSC and MSC are to become peak traffic.5th January 2011 at 18:58 #65432care11
GuestCheck the sites if all TRXs are EDGE capable.DAP should be defined to TRX.Also GENA-EGENA-CS34 should be enable Y state.
Add those TRXs(that doesnt have EGPRS traffic) to DAP .
Just a share…ope it helps.=)
6th January 2011 at 14:41 #65433jack
Guestplease someone help me.
i do every solution that you suggest,but still same result.8th January 2011 at 10:04 #65434care11
Guestwell jack,we need data on this=) logs,config etc.=)
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