DBS3900
Distributed Base Stations enable radio access for small to large eLTE wireless private networks that provide services such as video security, data acquisition, and data transmission. The base stations’ modular platform consists of a Base Band Unit (BBU3900) and Remote Radio Unit (RRU). Both components feature flexible installation, easy site deployment, low power consumption, and low TCO.
| Specifications | B-TrunC | 3GPP | |
| Work Mode | TDD | FDD | FDD |
| Frequency bandwidth |
• 3 MHz (Supported only by 400M eRRU3255) • 5 MHz • 10 MHz • 15 MHz (Supported only by 1.8G eRRU3232, and 1.4G eRRU3253, eRRU3253b, and eRRU3278) • 20 MHz |
• 5 MHz • 10 MHz • 20 MHz |
• 5 MHz/10 MHz/15 MHz/20 MHz |
| Maximum number of cells supported by an DBS3900 | 18 • 8T8R (supported only by the LBBPd4)/4T4R/2T2R/1T1R: 20 MHz cell bandwidth • 4T4R/2T2R/1T1R: 15 MHz cell bandwidth • 8T8R (supported only by the LBBPd4)/4T4R/2T2R/1T1R: 10 MHz cell bandwidth • 4T4R/2T2R/1T1R: 5 MHz cell bandwidth • 4T4R/2T2R/1T1R: 3 MHz cell bandwidth |
18 • 4T4R/2T2R: 20 MHz cell bandwidth • 4T4R/2T2R: 10 MHz cell bandwidth • 4T4R/2T2R: 5 MHz cell bandwidth |
• When the UMPTb2 board is used, 36 cells (2T2R/2T4R/4T4R, 20 MHz) are supported. • When the UMPTe2 board is used, 72 cells (2T2R/2T4R/4T4R, 20 MHz) are supported. |
| Maximum throughput per DBS3900 |
• Downlink data rate at the MAC layer: 450 Mbit/s, Uplink data rate at the MAC layer: 300 Mbit/s.(LMPT) • Sum of uplink and downlink data rates at the MAC layer: 1.5 Gbit/s(UMPTb2, no limit on the assignment of downlink and uplink data) |
• When the UMPTb2 board is used, the sum of uplink and downlink data rates at the MAC layer is 1.5 Gbit/s. • When the UMPTe2 board is used, the sum of uplink and downlink data rates at the MAC layer is 10 Gbit/s. |
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| Maximum number of UEs in RRC-connected mode per DBS3900 |
• LMPT: 4800 • UMPTb2: 9600 |
• When the UMPTb2 board is used, up to 10800 UEs are supported. • When the UMPTe2 board is used, up to 14400 UEs are supported. |
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