Huawei BBU3910 - 2.3 Signaling Specifications; 2.4 CPRI Specifications

LTE TDD
BBU3900&BBU3910 Description
2 Technical Specifications
Issue 01 (2018-02-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
22
Item Specifications
eNodeB

When the UMPTa6 or UMPTb2 is used, sum of uplink and
downlink data rates at the MAC layer is 1.5 Gbit/s.

When the UMPTb9 is used, sum of uplink and downlink data
rates at the MAC layer is 2.0 Gbit/s.

When the LMPT is used, sum of uplink and downlink data rates
at the MAC layer is 750 Mbit/s.
Maximum number
of UEs in
RRC_CONNECTE
D mode in an
eNodeB

When configured with a LMPT:5400

When configured with a UMPTa/UMPTb:10800

When configured with a UMPTe2:
− 14400 (configured with one UMPTe2 board);
− 28800 (configured with two UMPTe2 boards)
Data radio bearer
(DRB)
Eight DBRs per user equipment (UE)
2.3 Signaling Specifications
The following table lists the signaling specifications of the LMPT, UMPT, LBBP, and UBBP
boards based on the definition of one BHCA.

288000 per UMPTa6

360000 per UMPTb2 or UMPTb9

180000 per LMPT

1620000 per UMPTe2

63000 per LBBPc

126000 per LBBPd

270000 per UBBPd4

396000 per UBBPd6 or UBBPd9

432000 per UBBPe4

648000 per UBBPe6

648000 per UBBPem

648000 per UBBPf1
2.4 CPRI Specifications
The following table lists the specifications of CPRI ports on an LBBP board.
Board Quantity
of CPRI
Ports
CPRI Port Rate
(Gbit/s)
Topology Type