BBU–RRU
EN
Huawei board category illustration
Illustration
Huawei

WBBPd

What it does: UMTS signal processing. Interfaces and data rates: 6 × CPRI 1.25/2.5 Gbit/s; star/chain/ring.

3 part numbers: 03020SSA= / 03020QYR= / 03020XCN=

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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: d1 — UL/DL 192/192 CE, HSDPA/HSUPA 128/96 UE; d2 — 384/384 CE, 144/144 UE; d3 — 256/256 CE, 144/96 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
Interfaces and data rates6 × CPRI 1.25/2.5 Gbit/s; star/chain/ring
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
Intra-board interference suppression IC; in slots 2/3 — IC for uplink with appropriate connection CPRI
Connection notes
Radio units via CPRI

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