Figure 4-11
Panel of the WBBPb
Figure 4-12
Panel of the WBBPd
Functions
The WBBP has the following functions:
l
Provides the CPRI interface for communication between the BBU and the RRU or RFU,
and supports the CPRI interface in 1+1 backup mode.
l
Processes uplink and downlink baseband signals.
l
The WBBPd supports interference cancellation (IC) within the board.
l
When installed in slot 2 or slot 3, the WBBPd supports the IC function of uplink data.
describes the specifications of the WBBP.
Table 4-16
Specifications of the WBBP
Board
Number of Cells
UL CE Number
DL CE Number
WBBPa
3
128
256
WBBPb1
3
64
64
WBBPb2
3
128
128
WBBPb3
6
256
256
WBBPb4
6
384
384
WBBPd1
6
192
192
WBBPd2
6
384
384
WBBPd3
6
256
256
LEDs
describes the LEDs on the WBBP and their status.
4 BTS3900 Components
BTS3900
Hardware Description
4-18
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 04 (2011-02-15)