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User Manual
Airbridge cBTS3612 CDMA Base Station
4.5.7 Cell Breath
BTS can control the transmit power and receive sensitivity so as to adjust the
effective coverage of cells and balance the system load. This feature is especially
important to CDMA system. The control range of transmit power and receive
sensitivity provided by BTS for cell breath is 24dB. The transmit power is regulated
at a step of 0.5dB and receive sensitivity at a step of 1dB.
4.6 Operation and Maintenance
4.6.1 Software Loading
I. Overview
BTS supports remote software loading and local loading from an LMF. The
configuration data of BTS can be loaded to OMU through software loading function.
Software loading procedure consists of two steps: Software is downloaded to BCKM
through OMC/LMF, and then BCKM transfers the software to other boards.
When BTS is powered on and starts operation, the boards will run the existing
software in its Flash Memory. Only when the software is upgraded will download
command be sent through OMC, LMF or FTP tool to activate the software
downloading process.
II. Software loading from OMC to BCKM
In software upgrading, the software is downloaded from OMC to BCKM memory,
and then saved in the Flash Memory of BCKM. BTS configuration data can also be
downloaded to OMU with this function.
III. Software loading from BCKM to other boards
Through OMC or LMF, the downloaded software saved in the Flash Memory of
BCKM can be loaded to any specified board and activated. In this way, software
online upgrading is achieved.
IV. Local/remote software loading from FTP
BTS support local and remote software downloading and activation. If necessary,
user can start a n FTP Client application and log on to BTS through LMF or RMF,
download the software to a specific board of BTS and activate the software.
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System Description
4 System Function
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