BBU–RRU
EN
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Huawei

WBBPf

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.

4 part numbers: 03021HPR= / 03021VHB= / 03021VHC= …

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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 1T2R, 6 cells, by variant: f1 — UL/DL 192/256 CE, HSDPA/HSUPA 144/144 UE; f2 — 256/384 CE, 192/192 UE; f3 — 384/512 CE, 256/256 UE; f4 — 512/768 CE, 384/384 UE; 6 × 15 HSDPA codes; 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

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