ZTE Corporation R8881S8500 Manuel D’Utilisation
ZXSDR R8881 Product Description
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ZTE Confidential & Proprietary
The operating support layer provides the functions of OSS, while OAM, DBS, BRS,
BRACS and SCS serve different BTS modes.
Operating and Maintenance (OAM) provides the configuration, alarm and
performance measurement function.
Database Sub-system (DBS) is the database system.
Bearer Sub-system (BRS) processes the protocol stack.
Bearer Access Control Sub-system (BRACS) controls the access to bear layer.
System Control Sub-system (SCS) controls the power supplying and active/standby
switching.
Operation Support Sub-system (OSS) is the support layer in this entire framework, which
is a hardware platform for running software and provides basic functions like scheduling,
timer, memory management, communication, sequencing control, monitoring, alarming
and logging.
Board Support Package (BSP) is the software closely connected with the board
hardware and supports Real Time Operation Support Sub-system (RT OSS) to work on
the board.
2.5
Functionality
R8881 supports functionalities as follows.
Supports multi-band of 850M/900M/1800M/1900M/2100MHz/AWS.
Supports the configuration of 5MHz/4.8MHz/4.6MHz/4.4MHz/4.2MHz channel
interval for UMTS carrier.
Supports the configuration of 1.4MHZ/3MHz5MHz/10MHz/15MHz/20MHz scalable
bandwidth.
Supports one way transmitting and two-way receiving.