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User Manual
Airbridge cBTS3612 CDMA Base Station
negotiated with BTRM software, it adapts signaling from OMU or BCKM and sends
them to BTRM, or adapts signaling from BTRM and sends them to OMU or BCKM.
2) Operation & maintenance
Public part: process messages related to OMU interface, such as log
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management, board self-checking, public query, interface tracing, board
software loading, link test, and related functions.
Private part: perform functions such as baseband trunk link configuration,
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BTRM signaling trunk link configuration, link quality monitoring, board status
management, alarm collection, alarm processing and reporting.
3.2.7 BTRM Software
I. Function
BTRM software exercises management over BTRM. The main functions include:
Cell carrier configuration, carrier parameter measurement and transmit gain
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compensation.
Operation & maintenance over BTRM module.
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Ensuring the precision of BTRM clock through software phase-locking.
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Board device configuration, BFMM & environment monitor box management ,
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and optical link delay measurement.
II. Structure
The structure of BTRM software is shown in Figure 3-8.
Others
Figure 3-8 Structure of BTRM software
III. Introduction to software units
1) Signaling processing
This unit consists of 4 functional sub-modules:
Carrier setting: BTRM software receives carrier configuration command from
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main control software, and configures the frequency and power class of the
sector carrier.
BTRM software
Signaling
Software
processing
phase-lock
3-10
3 Software Architecture
Operation &
maintenance
System Description
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