Figure 3-21
Panel of the WBBPb
Figure 3-22
Panel of the WBBPd
Figure 3-23
Panel of the WBBPf
NOTE
l
The WBBPb1, WBBPb2, WBBPb3, and WBBPb4 have silkscreens
WBBPb1
,
WBBPb2
,
WBBPb3
, and
WBBPb4
indicating their board types on the lower left corner of the board panel,
respectively.
l
The WBBPd1, WBBPd2, and WBBPd3 have silkscreens
WBBPd1
,
WBBPd2
, and
WBBPd3
indicating their board types on the lower left corner of the board panel, respectively.
l
The WBBPf1, WBBPf2, WBBPf3, and WBBPf4 have silkscreens
WBBPf1
,
WBBPf2
,
WBBPf3
, and
WBBPf4
indicating their board types on the lower left corner of the board panel, respectively.
Functions
The WBBP performs the following functions:
l
Provides CPRI ports for communication with RF modules, and supports CPRI ports in 1
+1 backup mode.
l
Processes uplink and downlink baseband signals.
l
The WBBPd supports interference cancellation (IC) within the board.
l
When the WBBPd is installed in slot 2 or 3 and is connected to an RF module, the WBBPd
supports the IC of uplink data.
l
The WBBPf installed in slot 2 or slot 3 supports the baseband interconnection between
BBUs.
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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