BBU–RRU
EN
Huawei board category illustration
Illustration
Huawei

LBBPd1

What it does: LTE signal processing. Interfaces and data rates: 6 × CPRI 1.25/2.5/4.9/6.144/9.8 Gbit/s; star/chain/ring; HEI for combining baseband-resources.

2 part numbers: 03021HPH / 03021WVF=

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Main specifications

FamilyBBU3900
SlotsBBU3900, LTE FDD, one BBU: 3 > 0 > 1 > 2 > 4 > 5
CapacityLTE FDD, maximum homogeneous configurations: 3 × 1.4/3/5/10/15/20 MHz 2T2R; BBP.WM=NORMAL (UBBP), FDD (LBBP), BBP.SRT=DEFAULT; appropriate license required
SynchronizationIntegrated clock unit, linked to backplane BBU
ChassisBBU3900
ModulesIntegrated functional processing units baseband, switching, service interface and synchronization; swappable CPRI SFP
Functional roleProcessing baseband UL/DL and communication with radio modules via CPRI
Interfaces / connectors6 × SFP CPRI; 1 × QSFP HEI
Interfaces and data rates6 × CPRI 1.25/2.5/4.9/6.144/9.8 Gbit/s; star/chain/ring; HEI for combining baseband-resources
Power supply+12 V DC from backplane when installed in BBU3900 s UPEUa/UPEUc/UPEUd
Additional technical information
Installation environment
In a BBU3900 slot
Technologies
LTE FDD
Bandwidth
LTE FDD: 1.4/3/5/10/15/20 MHz at 2T2R
Architecture
Replaceable baseband-board: signaling processing and UL/DL, CPRI, internal switching, service and clock units; connection via backplane BBU
Subtype
Main processing board bands LTE
Details
CPRI Sharing; joint cell configuration 1R/2R; in LTE FDD mixing 1R/4R and 2R/4R not supported
Connection notes
Radio units via CPRI
Installation conditions
BBU3900

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