- This topic has 77 replies, 1 voice, and was last updated 5 years, 10 months ago by gebreegziabher.
19th February 2011 at 16:41 #50949yassineGuest
hi, need last omt version if possible. thanks.7th March 2011 at 19:31 #50950Mohit GoyalGuest
Hello Kalim bhai,
How many Time slots are there in one channel.20th April 2011 at 14:28 #50951MOGGuest
WHAT IS LAPD…?18th May 2011 at 09:54 #50952Malay DasGuest
In a busy hour :
According to Erlang B table, 7timeslot (1 trx in combined mode) with 2% GOS =3 Erlang(in 1hour).
But according to Erlang Definition it should be 7Erlang (in 1hour).
So, Where is that remaining (7-3)= 4 Erlang??18th May 2011 at 11:58 #50953pixGuest
the system capacity is 3erl@2%…
it means that when 3 erlangs are sent into the system, there are 2% which will be rejected.
If you send 7 erlangs, there will be about 50% of these 7 erlang which will be rejected.
The reason is that only 7 simultaneous can be handled. And statistically, 50% of the incoming calls will arrive when all 7 TS are busy.
And other times, only 2 or 3 TS are busy.
This is all linked to the random arrival of calls.
pix19th May 2011 at 08:46 #50954Malay DasGuest
Thanks for the answer.
But still I am cunfused..
But If, the TRX is totally free and 7calls arrived at a particular time, and the duration of each call is 1 hour.
Then what will happen??
It will 7 erlangs or as usual 2.94 Erlangs?19th May 2011 at 18:08 #50955pixGuest
yes, those 7 calls that last one hour would be measured as 7 erlangs.
now, to go a bit further : you agree that 7 simultaneous calls of 1 hours will never happen !
The erlang B table is actually telling you how “real” subscribers are going to behave, and what is the capacity of your system, relatively to this chaotic world.
pix20th May 2011 at 04:16 #50956Malay DasGuest
THX Pix…10th July 2011 at 07:30 #50957RomiGuest
i am not technical from background but still i have interest to know abt erlang generation process
Q:- what is function of MW / Core and Transit in entire network function12th August 2011 at 13:27 #50958Narendra GangwarGuest
who one trx can hold 2.94 Erlang traffic13th August 2011 at 07:43 #50959pixGuest
one trx contains 8 timeslots, and let’s say 6 of them are TCH.
in such case, in maximum usage, a TRX could carry up to 6 erlangs.
So 2.9 erlangs is possible.
regards8th September 2011 at 15:25 #50960sumit singhGuest
there are 4 channel in one time slot27th June 2012 at 06:21 #50961RAKESH BHATIAGuest
How can identify the data capacity if i have the number of nodes. Say i have 50 nodes, how much data can possibly it can handle23rd December 2012 at 20:10 #50962haniGuest
A bts has 12 trx
how many channel this bts has?
please help me26th December 2012 at 08:55 #50963ZachGuest
if you are dealing with data capacity, it’s not similar with voice capacity forecast, talking about data/PS will be end up in end user perception ( maximum throuhgput ) target, no matter technology you use, GSM, WCDMA, LTE, you name it.
But be carefull when you move further into throughput discussion, try to have deeper understanding about RLC/LLC throughput or even network throughput by using counter in measurement