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User Manual
Airbridge cBTS3612 CDMA Base Station
2) Operation & maintenance
Public part: process messages related to OMU interface, such as log
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management, board self-check, public query, interface tracing, board s oftware
loading, link test, and related functions.
Private maintenance: perform management of E1/SDH interface, IMA state
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machine and IMA configuration, BCIM board status management, alarm
collection, alarm processing and reporting.
3.2.5 BCPM Software
I. Function
The function of BCPM software is to make operation and control to channel
processors, specifically:
Working with main control software to manage the traffic layer of BCPM.
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Common channel processing.
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Traffic channel processing.
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II. Structure
The structure of BCPM software is shown in Figure 3-6.
Service
application
Figure 3-6 Structure of BCPM software
III. Introduction to software units
1) Service application
This unit consists of 3 functional sub-modules:
Control & management sub -module: the sub-module sets up or release
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specified channels according to the control command sent from main control
software. At the same, it exercises management over cell configuration and
radio link.
Common channel sub-module: under the control of the control & management
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sub-module, this sub-module sets up or releases common channel. For forward
common channel, it dispatches messages and controls the corresponding
driver to send messages on the air at correct time. For the reverse common
BCPM software
Operation &
maintenance
3-8
System Description
3 Software Architecture
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