UMTS terms confusion ?

[coursekec]

Can anyone explain me the following terms in UMTS ?

IRAT
UARFCN
IMA


How is subscriber capacity measured in UMTS coz there's no such thing as TRX ?


seeking reply ASAP..

thanks in advance..

[paboya]

i explain that i can

UARFCN = UTRA Absolute Radio Frequency Channel Number, where UTRA stands for UMTS Terrestrial Radio Access where UMTS stands for Universal Mobile Telephony System. These are used to identify frequencies in the UMTS frequency bands

IMA = Inverse Multiplexing for ATM) is a standardized technology used to transport ATM traffic over a bundle of T1 or E1 cables, also known as IMA Group
So IMA like loghical link that groupped from some E1/T1 (PDH) or STM1, and etc


Can anyone explain me the following terms in UMTS ?

IRAT
UARFCN
IMA


How is subscriber capacity measured in UMTS coz there's no such thing as TRX ?


seeking reply ASAP..

thanks in advance..

[paboya]

for dimensioning 3G is really different with 2G Dimensioning...
So complex to explain here...

here i share doc from Huawei
i take from this forum also
it will explain little about dimensioning 3G..

wish it usefull

[freakturd06]

You may also interested to read this one. The file is also shared here in the forum [UMTS RF Planning Guidelines v3.7 E*******]