User's Manual

Nortel Networks Confidential
10
UMT/DCL/DD/0002
411--8111--905
Preliminary 01.06/EN october 2001
UMTS01
iBTS operational features
The main characteristics of the iBTS are the following:
no need for an extra site cabinet (iBTS outdoor) for user space and batteries
easy installation and commissioning
a flexible product: possible growth from low to high capacity without any additional cabinets
front access only
PCM internal protection
most common modules between the iBTS outdoor and the iBTS indoor
iBTS indoor powered in dc or ac
The iBTS is a low capacity solution that can grow in a modular way to full capacity.
The iBTS supports the following functions:
radio access and modem (modulation/demodulation, frequency up/down--conversion, amplification)
call processing (channel set--up and management for both common and dedicated channels, cell
management, power control, handover and measurement)
configuration and supervision
synchronization (to retrieve a highly stable radio frequency from either the network interface)