NOTE
The LBBPc can be used in both LTE FDD and LTE TDD modes, and the LBBPb can be used in only LTE
FDD mode.
Function
The LBBP has the following functions:
l
Processes uplink and downlink baseband signals
l
Provides CPRI ports connected to RF modules
describes the specifications of the LBBP working in LTE FDD mode.
Table 4-21
Specifications of the LBBP
Board
Number of Cells
Bandwidth of the
Cell
Antenna
Configuration
LBBPb
3
10M
2T2R
1
20M
2T2R
1
10M
4T4R
LBBPc
3
20M
2T2R
3
10M
4T4R
1
20M
4T4R
describes the specifications of the LBBP working in LTE TDD mode.
Table 4-22
Specifications of the LBBP
Board
Number of Cells
Bandwidth of the
Cell
Antenna
Configuration
LBBPc
3
20M
2T2R
3
10M
4T4R
1
20M
4T4R
1
-
8T8R
LED
There are three LEDs on the panel of the LBBP.
describes the LEDs on the LBBP.
BTS3900
Hardware Description
4 BTS3900 Components
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4-21