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1 E1 in erlang

Bijoy - 5th April 2010  (07:09 GMT)

Hi Amit
1 E1 can support upto 15 TRX in TDM mode.

Considering a site with 5+5+5 conf,with 35 TCH per cell,you can have an Equipped Traffic of 26.4 *3= 80 Erl approx.

If you use HDLC,this figure will be higher.


Br\\
Bijoy

amit dobhal - 3rd April 2010  (18:08 GMT)

Hi,
would like to one E1 can contain how mcuh erlang traffic ??

thanks for answer in advance

regards,

pix - 27th August 2007  (14:20 GMT)

Da architect,

Maybe i'm wrong, but this might be the case when there are 2 abis links (main abis and secondary abis). One TS is reserved for communication with the second abis... but i might be wrong. I've no time to check it out, sorry :)

RLTO - 27th August 2007  (11:51 GMT)

Confirmed

it is according to your required blocking probability you need.

one may use;
1 TRX => 2 TS PCM
& Other use;
1 TRX => 2.25 TS PCM
Or even 2.5.

which is your option ??

Da Architect - 27th August 2007  (10:55 GMT)

ts 0 for framing and ts 16 for signalling, sometimes in alcatel they use one more ts for signalling, which make us left with 29 TS for dimensioning.

confirm please!

pix - 26th August 2007  (07:27 GMT)

of course, they have a "use", but they're not useful for us, in the dimensioning.

Optimizer - 26th August 2007  (06:19 GMT)

the remnant two are also useful [signaling].

pix - 23rd August 2007  (19:35 GMT)

but only 30ts are useful...

Pingo - 23rd August 2007  (14:34 GMT)

32 TS

Pix - 17th August 2007  (08:44 GMT)

Hello,

This post answers a thread that has been closed (too many posts maybe ?).

In 1 E1, you have 30 timeslots (= 30 channels). Therefore the offered traffic should be about 16.6 erl (with a blocking rate of 0.1%).

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