 This topic has 104 replies, 1 voice, and was last updated 6 years, 12 months ago by Sohaib.

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JonGuest
hi, does anyone know: is erlang calculated for data rates or the number of channels for voice available? whats difference?
Theo HaddadGuestI would please like all the info on how to calculate Erlang and what kind of traffic measured in
Erlang can a radio in a BTS handle.I would also like you to tell me the advantages and disadvantages offull rate and half rate in a GSM network and what the traffic in Erlang would be if using the different rates.
thanks
SthisaGuestHi
i am looking out for method to calculate Erlang for GSM network.
For Um interface and Abis interface.I am looking for some help on the above subject.
Thanks & Regards
Arun
Vijay KumarGuesti am looking out for method to calculate Erlang for a PSTN network.
For a particular subscribers say (25,000 sub.), how many E1/trunk lines are required with 1% blocking.
Many thanks
Vijay
HerorGuestHi ,
I am an young radio engineer (GSM network in Croatia).
I see we have the same problem , and , still, I see only the questions not the answer on GSM and UMTS usage of ERLANG B , ERLANG C and MULTIERLANG – upon Campbell`s theorem.
I need to do some calculations for GSM and UMTS traffic (calculation of number of voice trunks per user, …), so I would very appreciate if you could share some of your knowledge on this subject.I would appreciate if you would send me an email with the answer, if you have one ;))).
Thanks and best regards,
Heror
My email is h.eror@vipnet.hr
asadGuesti am looking out for method to calculate Erlang for GSM network.
For Um interface and Abis interface.I am looking for some help on the above subject.
Thanks & Regards
RadhakantGuestHi Sudhir
Can U pl. explain how your Abis & Um interface can have different GOS?DeltaGuestHi,
How would I calculate ARPU? If the mErl/subs 16.29?Can you please help?
Thanks
krishan palGuest1.can anyone explain me how erlang & BHCA are related to each other.
2. Which method is more accurate
Erlang B or erlang C & Why ?MataliGuestHi,
I am looking to find out the formula how to find 1. Mean of Holding Time 2. Mean of Convessertion Time & 3. duration.I am looking for some help on the above.
Thank you.Mehmet BeyazGuestHi Kumar,
The formula for any type of Erlang calculation is;
A= BHCA * MHT / 3600
A= Traffic
BHCA= Busy Hour Call Attempts
MHT= Mean Holding Time.
Regards
Mehmet Beyaz
Do not hesitated to contact me if you have further questions
mehmet.beyaz@ttgint.comtuyaGuestwhat is the protocol of abis interface & what is the difference between abis & a interface
plz helpK.Hari SatyanarayanaGuestCan some body tell me which site/s will give information on
1. Um interface
2. Abis interface and
3. IOS Version 4.0MarthaGuestI am investigating a problem on
silence call at BTS (GSM 900 Lucent Network).
Please help me..
TQ.AndyGuestHello everyone, hope you are fine.
I am working in inbound call operation here in the caribbeans, and i would like to know the formula they use to calculate agents on the Erlang C tool.
Please, I’d really appreciate your help on this matter.
Best regards,
Andy 
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