User's Manual

Overview of the Flexent‚ Modular Cell 4.0B cabinet
installation
1- 55
Lucent Technologies – Proprietary
See notice on first page
401-703-454
FOA Draft Issue 1
January, 2006
............................................................................................................................................................................................................................................................
1xEV-DO service
The installation of a 1xEV-DO base station is the same as a 2G/3G base
station installation regardless whether the 1xEV-DO base station is a
stand-alone base station or co-located with 2G or 3G-1X base station.
The difference is the destination of the T1/E1 lines. Rather than going
to the MSC, the T1/E1 lines are connected by a Flexent Mobility Server
(FMS) within the RAN network. Users will access the RAN through an
Access Terminal (AT) that maintains an air interface with a 1xEV-DO
base station. The AT may be used in a laptop computer, a hand-held
device such a Palm Pilot or personal digital assistant, or multi-mode
mobile with AMPS/IS-95 and 3G-1X/1xEV-DO capabilities.
The FMS is analogues with the mobility management AP in the 2G/3G
voice network and provides call processing functionality allowing an
AT user to acquire the RAN network. Each FMS frame is capable of
interfacing and handling the call processing function for 48 base
stations, and the RAN network can use up to six FMS frames.
Therefore, the RAN next can service up to 288 base station. The uplink
input router, which is a bidirectional device and provide a common
point to terminate back haul T1/E1 lines from all 1xEV-DO base
stations, steer and convert the uplink data stream received over the T1/
E1 line to the FMS frames.
User maintenance and controls for the six FMS within the RAN are
provided through Element Management System (EMS), which runs on
the Flexent OMP-FX platform. System and base station control and
configuration database is downloaded from the Flexent OMP-FX
platform into the 1xEV-DO network management system. When the
RAN network is integrated with a Lucent wireless voice network, as
shown in the figure, the same OMP-FX platform may by used for voice
and 1xEV-DO data networks. The FMS-processed data is connected to
PDSN via the downlink input router.