BBU–RRU
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Huawei

WBBPf4

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

1 part number: 03021HPR

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Main specifications

FamilyBBU3900
SlotsBBU3900, UMTS: without additional CPRI-ports — 3 > 0 > 1 > 2 > 4 > 5; with additional CPRI — 3 > 2 > 0 > 1 > 4 > 5
CapacityUMTS: 6 cells 1T2R, UL/DL 512/768 CE, 6 × 15 HSDPA codes, 384/384 HSDPA/HSUPA UE; 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 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
UMTS
Bandwidth
UMTS: 5 MHz per carrier
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 WCDMA
Details
In slots 2/3 supports inter-unit baseband-communication between BBU
Connection notes
Radio units via CPRI; other baseband-boards via HEI
Installation conditions
BBU3900

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