eWBB2.0 DBS3900 LTE TDD Product Description · eWBB2.0 DBS3900 LTE TDD Product Description Issue 01 Date 2012-05-30 HUAWEI TECHNOLOGIES CO., LTD

eWBB2.0 DBS3900 LTE TDD Product Description

Issue 01

Date 2012-05-30

HUAWEI TECHNOLOGIES CO., LTD.

Issue 01 (2012-05-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

Page 2 of 32

Copyright © Huawei Technologies Co., Ltd. 2012. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute the warranty of any kind, express or implied.

Huawei Technologies Co., Ltd.

Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China

Website: http://www.huawei.com

Email: [email protected]

http://www.huawei.commailto:[email protected]

eWBB2.0 DBS3900 LTE TDD

Product Description


Page 3 of 32

Contents

About This Document ..................................................................................................................... 4

1 Introduction.................................................................................................................................... 5 1.1 Overview .......................................................................................................................................................... 5 1.2 Product Positioning .......................................................................................................................................... 5 1.3 Benefits ............................................................................................................................................................ 6

2 Architecture .................................................................................................................................... 8 2.1 Overview .......................................................................................................................................................... 8 2.2 Basic Function Modules ................................................................................................................................... 8

2.2.1 BBU3900 ................................................................................................................................................ 8 2.2.2 RRU ...................................................................................................................................................... 11

2.3 Auxiliary Devices ........................................................................................................................................... 15 2.3.1 APM30H ............................................................................................................................................... 15 2.3.2 TMC11H ............................................................................................................................................... 16 2.3.3 IBBS200D or IBBS200T ...................................................................................................................... 17 2.3.4 IMB03 ................................................................................................................................................... 17 2.3.5 OMB ..................................................................................................................................................... 18

2.4 Typical Installation Scenarios for the DBS3900............................................................................................. 18

3 Typical Configurations .............................................................................................................. 21

4 Operation and Maintenance ..................................................................................................... 22 4.1 Overview ........................................................................................................................................................ 22 4.2 O&M System .................................................................................................................................................. 22 4.3 O&M Functions .............................................................................................................................................. 23

5 Technical Specifications ............................................................................................................ 27 5.1 Capacity Specifications .................................................................................................................................. 27 5.2 Equipment Specifications ............................................................................................................................... 27 5.3 Input Power and Clock Synchronization Specifications................................................................................. 29 5.4 Reliability Specifications ............................................................................................................................... 30 5.5 Compliance Standards .................................................................................................................................... 30

6 Acronyms and Abbreviations ................................................................................................... 31


Product Description


Page 4 of 32

About This Document

Overview This document describes the network position, product architecture and characteristics, and related technical specifications of the DBS3900 LTE TDD.

Intended Audience This document is intended for:

l Huawei technical support l System engineers l Network planning engineers

Change History Updates between document issues are cumulative. Therefore, the latest document issue contains all updates made in previous issues.

Issue 01 (2012-05-30) This is the first commercial release.


Product Description


Page 5 of 32

1 Introduction 1.1 Overview

This document is released with the eWBB2.0 Solution. The version of the product corresponds to DBS3900 LTE TDD V100R004C01.

Long Term Evolution (LTE) is an evolved telecom standard. It provides various technical benefits for evolved universal terrestrial radio access network (E-UTRAN), including:

l Reduced service delay l Higher user data rates l Increased spectral efficiency l Optimized support for packet data services

Improved system capacity and coverage LTE provides flexible bandwidths, enhanced modulation schemes, and effective scheduling mechanisms. Therefore, it meets enterprises' requirements for broadband communication in the radio access network (RAN).

1.2 Product Positioning Focusing on customer-oriented innovation, Huawei launches a series of products in its SingleBTS product portfolio, including the DBS3900 LTE time division duplex (TDD) which is referred to as DBS3900 in this document. It fully utilizes Huawei radio platform resources and a variety of technologies to meet the challenges of mobile network development.

The eNodeB is used for radio access in the LTE system. It mainly performs radio resource management (RRM) functions such as air interface management, access control, mobility control, and user equipment (UE) resource allocation. An E-UTRAN is composed of multiple eNodeBs.

The DBS3900 has only two types of basic modules: baseband unit (BBU) and remote radio unit (RRU). These basic modules can be flexibly configured to meet requirements for different capacities and in different application scenarios. In addition, the DBS3900 features a small size, low power consumption, flexible installation, and easy site deployment. Figure 1-1 shows a DBS3900.


Product Description


Page 6 of 32

Figure 1-1 DBS3900

1.3 Benefits

Tailor-Made Product Form and RRUs Based on Enterprises' Requirements for the Wireless Network

The DBS3900 supports mainstream LTE TDD frequency bands and TDD-specific frequency bands (1.8 GHz and 1.4 GHz) in the industry. In addition, the RRU can work at a full bandwidth, transmit signals with high power, and maximize power amplification efficiency.

Flexible Installation for Fast Network Deployment with a Low TCO l Flexible installation of the DBS3900 simplifies site acquisition and achieves fast

network deployment with a low total cost of ownership (TCO). The BBU3900 can be installed on an indoor wall or in a standard cabinet, reducing the installation cost. The RRU can be installed on high positions, for example, on a pole, tower, or concrete wall, reducing site lease costs. It can also be installed close to the antenna system, reducing the cost of feeders and power consumption.


Product Description


Page 7 of 32

l The DBS3900 provides various transmission ports for Internet Protocol (IP) transport. Multiple quality of service (QoS) mechanisms are applied to provide high capacity, implement differentiated services, and meet the QoS requirements.


Product Description


Page 8 of 32

2 Architecture 2.1 Overview

The DBS3900 features a distributed architecture and consists of two basic function modules: BBU3900 and RRU. The BBU3900 and RRU are connected using optical fibers through common public radio interface (CPRI) ports to transmit CPRI signals.

The DBS3900 has the following auxiliary devices:

l Advanced power module with heat-exchanger (APM30H) l Integrated battery backup system with direct cooling (IBBS200D) or integrated battery

Backup system with thermoelectric cooling unit (IBBS200T) l Transmission cabinet of 11 U high with heat exchanger (TMC11H) l Indoor mini box 03 (IMB03) l Outdoor mini box (OMB)

The basic modules and auxiliary devices are flexibly combined to provide diverse site solutions and meet customers' requirements.

2.2 Basic Function Modules 2.2.1 BBU3900

The BBU3900 performs the following functions:

l Provides physical ports for connection between the eNodeB and the mobility management entity (MME) or serving gateway (S-GW) and processes related transport protocol stacks.

l Provides CPRI ports for communication with the RRU and processes uplink and downlink baseband signals.

l Manages the entire eNodeB, including operation and maintenance (O&M) and signaling processing.

l Provides an O&M channel towards the local maintenance terminal (LMT) or iManager M2000 (M2000). The M2000 is a network management system provided by Huawei.


Product Description


Page 9 of 32

l Provides clock ports for clock synchronization, alarm monitoring ports for environment monitoring, and a Universal Serial Bus (USB) port for commissioning using a USB flash drive.

BBU3900 Exterior The BBU3900 has a compact case structure measuring 19 inch wide and 2 U (88.90 mm or 3.50 in.) high. Figure 2-1 shows the BBU3900 exterior.

Figure 2-1 BBU3900 exterior

Boards of the BBU3900 The following boards or modules must be configured in the BBU3900.

l LTE main processing and transmission unit (LMPT) It manages the entire eNodeB by performing O&M, processing signaling, and providing clock signals for the BBU3900.

l LTE baseband processing unit (LBBP) It processes baseband signals and CPRI signals.

l FAN It controls the rotation of fans, detects the temperature of the fan module, and dissipates heat from the BBU.

l Universal power and environment interface unit (UPEU) It converts -48 V direct current (DC) power input into +12 V DC and provides transmission ports for two RS485 signals and eight Boolean signals.

Figure 2-2 shows the panel of the BBU3900.


Product Description


Page 10 of 32

Figure 2-2 Panel of the BBU3900

l The universal transmission processing unit (UTRP) is optional. If the LMPT cannot provide

sufficient E1/T1 ports, the BBU3900 must be configured with a UTRP. l The universal satellite clock unit (USCU) is optional. If the 1PPS+TOD clock is required, the

BBU3900 must be configured with a USCU. PPS is short for pulse per second and TOD is short for time of day.

Ports on the Boards of the BBU3900 Table 2-1 describes the ports on the boards of the BBU3900.

Table 2-1 Ports on the boards of the BBU3900

Board or Module

Port Quantity Connector Function

LMPT FE/GE optical port

2 SFP Transmits traffic data on the S1 and X2 interfaces.

FE/GE electrical port

2 RJ45 Transmits traffic data on the S1 and X2 interfaces.

USB port 1 USB Loads software.

TST port 1 USB Tests the BBU.

Commissioning Ethernet port

1 RJ45 Connects to the computer where the LMT is installed.

GPS antenna port

1 SMA Connects the BBU3900 and a GPS antenna.

LBBP CPRI port 6 SFP Connects the BBU3900 and RRU.

UPEU Power socket 1 3V3 Receives -48 V


Product Description


Page 11 of 32

Board or Module

Port Quantity Connector Function

DC power.

MON0 1 RJ45 Monitor two RS485 signals and connect to external monitoring devices.

MON1 1 RJ45

E x T - ALM0 1 RJ45 Receive eight dry contact alarm signals and connect to external alarm devices.

E x T - ALM1 1 RJ45

UTRP E1/T1 port 2 DB26 Transmits eight E1/T1 transmission signals.

USCU TOD port 2 RJ45 Receives or transmits 1PPS and TOD signals.

M-1PPS port 1 SMA coaxial connector

Receives 1PPS signals from the M1000.

2.2.2 RRU The RRU can be installed on a pole, wall, or stand. It can also be installed close to antennas. This shortens the feeder length, reduces signal loss, and improves system coverage. The RRU modulates and demodulates baseband signals and RF signals, processes data, amplifies signal power, and detects standing waves.

RRU Exteriors Figure 2-3 shows the RRU3232 exterior. Figure 2-4 shows the RRU3253 exterior.


Product Description


Page 12 of 32

Figure 2-3 RRU3232 exterior


Product Description


Page 13 of 32

Figure 2-4 RRU3253 exterior


Product Description


Page 14 of 32

Ports on RRUs Each RRU has a modular structure. Its external ports are located at the bottom of the unit or in the cabling cavity. Table 2-2 describes the ports on the RRU3232. Table 2-3 describes the ports on the RRU3253.

Table 2-2 Ports on the RRU3232

Port Connector Quantity Function

CPRI port DLC 2 Connects to the BBU3900.

RF port Type N 4 Connects to an antenna.

Ground port OT 2 Provides protection ground.

Power socket Tool-less male connector (pressfit type)

2 Receives -48 V DC power.

RET port DB9 1 Connects to the remote control unit (RCU).

Table 2-3 Ports on the RRU3253

Item Port Function

Cabling cavity panel CPRI0/IR0 Connects to an optical fiber.

CPRI1/IR1 Connects to an optical fiber.

RTN(+) Transmits DC power.

NEG(-) Receives DC power.

Serial port for commissioning

Connects to commissioning devices.

RET/EXT_ALM DB9 Monitors alarms.

Type N connector CAL Adjusts input and output signals.

ANT1 Transmit downlink signals or receive uplink signals.

ANT2

ANT3

ANT4

ANT5


Product Description


Page 15 of 32

Item Port Function

ANT6

ANT7

ANT8

2.3 Auxiliary Devices

Both the APM30H and TMC11H have two versions: Ver.B and Ver.C. If the cabinet version is not specified, the description applies to the cabinet of either version. If the cabinet version is specified, the description applies only to the cabinet of that version.

2.3.1 APM30H The APM30H is an integrated backup power system for outdoor applications. It provides DC power and backup storage batteries for an outdoor eNodeB and provides space for installing the BBU3900 and customer equipment. It facilitates fast network deployment.

The APM30H is compact and lightweight, and can be installed on the pole or floor. Figure 2-5 shows the APM30H interior.

Figure 2-5 APM30H interior


Product Description


Page 16 of 32

l Power supply units (PSUs) convert +24 V DC and +110 V alternating current (AC) or +220 V AC

power into -48 V DC power. l A power monitoring unit (PMU) manages the power system, monitors the power distribution, and

reports alarms (if any) to the eNodeB.

2.3.2 TMC11H When more space is required for installing transmission devices, the TMC11H can be configured. The TMC11H provides space for installing the BBU3900 and customer equipment in outdoor scenarios.

The TMC11H is compact, lightweight, and easy to transport. It supports heat dissipation using fans. Figure 2-6 shows the TMC11H interior.

Figure 2-6 TMC11H interior

A direct current distribution unit (DCDU) supplies DC power to all components in the cabinet.


Product Description


Page 17 of 32

2.3.3 IBBS200D or IBBS200T When power backup of long duration is required, the IBBS200D or IBBS200T can be added. The IBBS200D or IBBS200T, which can be used outdoors, supports a maximum of -48 V DC 184 Ah backup power by using storage batteries configured in the cabinet.

The IBBS200D or IBBS200T is compact, lightweight, and easy to transport. In addition, the cabinet is cooled using natural heat dissipation. Figure 2-7 shows the IBBS200D and IBBS200T interior.

Figure 2-7 IBBS200D and IBBS200T interior

High temperatures affect the lifecycle of storage batteries. The IBBS200T is more heat-tolerant than the IBBS200D. Therefore, the IBBS200T is recommended in high-temperature areas and the IBBS200D can be used in other areas.

2.3.4 IMB03 The IMB03 is used for indoor applications. It provides a 3 U (133.35 mm or 5.25 in.) space for installing equipment such as BBU, AC/DC power equipment, DCDU, or other power systems of the DBS3900. In addition, it supports AC or -48 V DC power.

The IMB03 is characterized by its flexible installation, satisfactory heat dissipation, and easy cabling. It can be supplied with DC or AC power. Figure 2-8 shows the IMB03 interior.


Product Description


Page 18 of 32

Figure 2-8 IMB03 interior

2.3.5 OMB The OMB is also called the outdoor BBU subrack. It provides a 3 U (133.35 mm or 5.25 in.) space for installing equipment such as BBU3900, AC/DC power equipment, DCDU, or other power systems of the DBS3900. In addition, it supports AC or -48 V DC power.

The OMB is characterized by its easy cabling, protection against water, dust, and sunlight, and proper grounding. It is also easy to install and maintain. The OMB can be supplied with DC or AC power. Figure 2-9 shows the OMB interior.

Figure 2-9 OMB interior

2.4 Typical Installation Scenarios for the DBS3900 The DBS3900 addresses site acquisition problems and shortens network deployment time. It enables enterprises to efficiently deploy a wireless network with a low TCO by minimizing the investment in electricity, space, and manpower.


Product Description


Page 19 of 32

The DBS3900 consists of the BBU3900 and RRU. The BBU3900 is characterized by its small footprint, easy installation, and low power consumption. Therefore, the BBU3900 can be easily installed in a spare space at an existing site. The RRU is compact and lightweight. It can be installed close to an antenna to shorten feeder length and improve system coverage.

Figure 2-10 and Figure 2-11 shows the typical scenarios for installing the DBS3900 outdoors and indoors, respectively.

Figure 2-10 Typical outdoor scenario for installing the DBS3900

If the DBS3900 is deployed outdoors, the BBU3900 can be installed in an APM30H, TMC11H, or OMB. They provide installation space and outdoor protection for the BBU3900, and supplies -48 V DC power to the BBU3900 and RRU.


Product Description


Page 20 of 32

Figure 2-11 Typical indoor scenario for installing the DBS3900

If the DBS3900 is deployed indoors, the BBU3900 can be installed in a 19-inch cabinet or rack, in an indoor centralized rack (ICR), in an IMB03, or on the wall. The BBU3900 is served by the power supply system and transport system in the existing network.

The ICR provides a baseband rack for installing the BBU3900 and provides an RF rack for installing a maximum of six RRUs in a centralized manner when the BBU3900 is installed in the ICR.


Product Description


Page 21 of 32

3 Typical Configurations Table 3-1 describes the typical configurations of the DBS3900.

Table 3-1 Typical configurations of the DBS3900

Configuration Type

MIMO Quantity of LBBPs

Quantity of RRUs

3 x 10 MHz 2 x 2 MIMO 1 3

3 x 10 MHz 4 x 2 MIMO 1 3

3 x 20 MHz 2 x 2 MIMO 1 3

3 x 20 MHz 4 x 2 MIMO 3 3

3 x 10 MHz 4T4R Beamforming 1 3

3 x 20 MHz 4T4R Beamforming 3 3


Product Description


Page 22 of 32

4 Operation and Maintenance 4.1 Overview

The eNodeB supports the O&M system that is based on the man-machine language (MML) and the graphic user interface (GUI). The O&M system enables a hardware-independent O&M mechanism and provides powerful O&M functions for customers to meet various O&M requirements.

The eNodeB can be maintained locally or remotely. In the O&M system, the maintenance terminal connects to the eNodeB through the intranet, internet, or virtual local area network (VLAN). This facilitates maintenance of the eNodeB.

4.2 O&M System Figure 4-1 shows the O&M system for the eNodeB.

Figure 4-1 O&M system for the eNodeB


Product Description


Page 23 of 32

The O&M system consists of the LMT and iManager M2000 (M2000). The LMT maintains a single eNodeB locally using an Ethernet cable or remotely through the IP network. The M2000 remotely maintains multiple eNodeBs of different types and with different software versions.

The functions of the LMT and M2000 are as follows:

l The LMT performs functions such as data configuration, alarm monitoring, commissioning, and software upgrade. It supports both MML and GUI modes.

l The M2000 performs functions such as data configuration, alarm monitoring, performance monitoring, and software upgrade. It supports both MML and GUI modes.

4.3 O&M Functions

Configuration Management Configuration management of the O&M system features easy accessibility, high reliability, and excellent scalability.

l Easy accessibility − The O&M system supports a user-friendly GUI mode. − The eNodeB provides configuration templates for common configuration scenarios,

such as startup, capacity expansion, and replacement. In addition, it provides specific configuration wizards in GUI mode. This scenario-oriented design helps to minimize the requirement for the customer to manually enter configuration information, and speeds up deployment.

− The network planning tool iPlan is used to import data to the template for initial configuration. This tool reduces manpower required for network planning and optimization.

l High reliability − The O&M system can configure, query, export, back up, and restore data. Meanwhile,

it can synchronize data with the M2000. − The O&M system updates all the configuration data delivered to the eNodeB and

checks the configuration restrictions, minimizing impact of misoperations on the eNodeB.

− The Configuration Management Express (CME) supports configuration rollback in batches. Therefore, users can run a rollback command to restore data when discovering abnormal running or malfunctions of the eNodeB after the configuration.

l Excellent scalability − The northbound network management system (NMS) supports configuration

management. − Users can add, remove, or modify the eNodeB functions using MML commands. − Users can use MML commands and the iSStar of the M2000 to customize functions

of the M2000, such as, troubleshooting procedures.

Fault Management Fault management of the O&M system features easy fault location, high reliability, and various tracing and monitoring methods.


Product Description


Page 24 of 32

l Easy fault locating − Alarm handling suggestions are offered for every alarm. This helps users to locate

and rectify faults. − Alarm handling is supported by related O&M functions and tools to facilitate fault

locating. − The O&M system offers methods to rectify service faults at the key performance

indicator (KPI) level. This helps users to locate and solve problems quickly and accurately.

− The O&M system supports the alarm correlation function. When multiple faults are generated due to a root cause, the O&M system reports only one root alarm and its eventual impact on the service. Therefore, users can easily locate the root cause of the alarm by referring to the alarm correlation information, and then rectify the faults.

l High reliability − Fault detection is comprehensive and accurate. The eNodeB provides the fault

detection function for the hardware, software, antenna, transmission, cell, and environment. Fault detections for environment include door status, infrared, smoke, water damage, and temperature monitoring. In addition, user-defined external alarms are allowed.

− Fault isolation and self-healing of the O&M system ensures that a fault in the component of the eNodeB does not affect other components of the eNodeB. In addition, the eNodeB can set up the cell again with degraded specifications to minimize the impact of the fault on services.

l Various tracing and monitoring methods − The O&M system provides various tracing functions to check the compatibility

between interfaces. It traces the standard signaling of single UEs in the entire network, in a cell, or on interfaces. Users can trace operations of the eNodeB on the LMT or M2000 in real time, or browse and analyze tracing results after the tracing is complete.

− The O&M system supports the real-time performance monitoring in GUI mode, facilitating speedy performance faults locating. Users can monitor the quality of user-level or cell-level transmission over the air interface, air interface performance, interference, and quality of transmission links in real time.

− The O&M system allows one-click collection and upload of eNodeB logs. When users fail to locate or rectify faults, this function helps them to collect detailed onsite information. Then they can send the information to Huawei Customer Service Center for fault location.

Performance Management Performance management of the O&M system features monitoring and reporting in multiple periods and full measurement coverage to meet requirements in different scenarios.

l Monitoring and reporting in multiple periods − The O&M system can collect performance counters every 15 or 60 minutes. The

default period is 60 minutes. − The O&M system supports real-time monitoring of KPIs for a duration of 1 minute.

l Full measurement coverage − Performance measurement covers performance counters for eNodeB, cells,

neighboring cells, transmission links, interfaces, and device usage. This helps users to locate faults.


Product Description


Page 25 of 32

Security Management Security management of the O&M system provides network-level and user-level security services.

The O&M system supports the following services to ensure security, integrity, and availability of the eNodeB:

l Encryption of key information about users l User account management and authentication l Control over user access rights l Support of security protocols such as File Transfer Protocol Over SSL (FTPS), Secure

Socket Layer (SSL), and Internet Protocol security (IPSec) l Automatic record of the account usage information l Security certificate

Software Management Software management of the O&M system features easy accessibility, high efficiency, and little impact on services during a software upgrade.

l Easy accessibility − Users can perform a health check on the eNodeB before and after an upgrade, back

up, download, and activate the software step by step using the one-click upgrade wizard of the M2000. In addition, this function enables users to easily query the upgrade status and result.

− The O&M system automatically upgrades configuration data during upgrades. Therefore, users do not need to prepare the configuration data.

l High efficiency − The O&M system allows remote upgrades and batch upgrades of eNodeBs. − The O&M system allows upgrade policy management. After the upgrade policies are

configured, the eNodeB can perform software upgrades automatically. l Little impact on services during a software upgrade

− The O&M system allows fast upgrade rollback. Users can perform version rollbacks by running one command, reducing the impact of upgrade failures on the system.

− The O&M system supports the management of patch packages. Installing hot patches does not interrupt services.

Deployment Management The eNodeB deployment solutions include automatic discovery of the eNodeB, initial configuration, and remote commissioning by using a USB flash drive. These functions greatly reduce the workload and efforts of field installation personnel. No computer is required and the personnel only need to install the hardware.

l The O&M system supports automatic eNodeB discovery for Global Positioning System (GPS) binding and unique ID binding.

l Users can download software and data of an eNodeB using a USB port. This saves time especially when the transmission bandwidth between the eNodeB and the NMS is insufficient.


Product Description


Page 26 of 32

l During remote deployment, software commissioning is performed in the element management system (EMS) rather than on site. Users can perform acceptance tests in the EMS.

Equipment Management Equipment management of the O&M system offers several user-friendly functions.

l Multiple functions The O&M system provides functions such as fault detection, data configuration, status management, and inventory reporting for the main equipment, mechanical and electric equipment, GPS, and remote electrical tilt (RET) antenna.

l Easy accessibility The O&M system can report the inventory to the M2000 automatically.

Inventory Management Inventory management of the O&M system provides various, accurate, and real-time management services for user inventory.

l Various services The inventory management function helps to provide the inventory information of the eNodeB, such as hardware, physical ports, transmission resources, system configuration, and software version.

l Accurate and real-time services The O&M system collects the inventory information periodically and synchronizes the information everyday.


Product Description


Page 27 of 32

5 Technical Specifications 5.1 Capacity Specifications

Table 5-1 Capacity specifications

Item Specifications

Maximum number of cells 9 cells (10 MHz or 20 MHz)

Maximum throughput per cell (20 MHz) 2T2R DL:UL = 2:2 Downlink rate at the Media Access Control (MAC) layer: 78 Mbit/s(64QAM) Uplink rate at the Media Access Control(MAC): 18Mbps(16QAM)

Maximum throughput per eNodeB Downlink: 450 Mbit/s Uplink:300 Mbit/s

Maximum number of UEs in RRC_CONNECTED mode in an eNodeB

5400

Maximum number of data radio bearer (DRB)

8

5.2 Equipment Specifications Table 5-2 Equipment specifications of the BBU3900

Item Specifications

Dimensions (H x W x D) 86 mm x 442 mm x 310 mm (3.39 in. x 17.40 in. x 12.20 in.)

Weight In full configuration: ≤ 12 kg (24.46 lb)

Input power -48 V DC (-38.4 V DC to -57 V DC)


Product Description


Page 28 of 32

Item Specifications

Temperature l Long duration operation: -20°C to +50°C (-4°F to +122°F)

l Short duration operation: 50°C to 55°C (122°F to 133°F)

Relative humidity 5% RH to 95% RH

Atmospheric pressure 70 kPa to 106 kPa

Protection level IP20

CPRI port l Six CPRI ports per LBBP l CPRI 4.1 port and CPRI 3.0 port

standards

Transmission port l Two FE/GE electrical ports, l two FE/GE optical ports, l one FE/GE electrical port and one

FE/GE optical port

Table 5-3 Equipment specifications of the RRU3232 (4T4R)

Item Specifications

Frequency band and bandwidth

Frequency band Bandwidth

1.8 GHz: 1785 MHz to 1830 MHz 1755 MHz to 1920 MHz

10 MHz or 20 MHz

Dimensions (H x W x D) 18 L without the housing: 480 mm x 270 mm x 140 mm (18.90 in. x 10.63 in. x 5.51 in.) 24.7 L with the housing: 485 mm x 300 mm x 170 mm (19.09 in. x 11.81 in. x 6.69 in.)

Weight Without the housing: ≤ 19.5 kg (43.00 lb) With the housing: ≤ 21 kg (46.31 lb)

Input power -48 V DC Voltage range: -36 V DC to -57 V DC

Maximum output power 4 × 20 W

Temperature With solar radiation of 1120 W/m2: -40°C to +50°C (-40°F to +122°F) Without solar radiation: -40°C to +55°C (-40°F to +133°F)





Product Description


Page 29 of 32

Table 5-4 Equipment specifications of the RRU3253 (8T8R)

Item Specifications

Frequency band and bandwidth

Frequency band Bandwidth

1.4 GHz: 1447 MHz to 1467 MHz

20 MHz

Dimensions (H x W x D) 18 L without the housing: 480 mm x 270 mm x 140 mm (18.90 in. x 10.63 in. x 5.51 in.) 24.7 L with the housing: 485 mm x 300 mm x 170 mm (19.09 in. x 11.81 in. x 6.69 in.)

Weight Without the housing: ≤ 19.5 kg (43.00 lb) With the housing: ≤ 21 kg (46.31 lb)

Input power -48 V DC Voltage range: -36 V DC to -57 V DC

Maximum output power 4 x 20 W

Temperature With solar radiation of 1120 W/m2: -40°C to +50°C (-40°F to +122°F) Without solar radiation: -40°C to +55°C (-40°F to +133°F)




5.3 Input Power and Clock Synchronization Specifications Table 5-5 Input power and clock synchronization specifications

Item Specifications

Input power -48 V DC Voltage range: -38.4 V DC to -57 V DC

Clock synchronization GPS, IEEE1588V2, and TOD + 1PPS


Product Description


Page 30 of 32

5.4 Reliability Specifications Table 5-6 Reliability specifications

Item Specifications

System availability ≥ 99.999%

Mean time between failures (MTBF) ≥ 155,000 hours

Mean time to recovery (MTTR) ≤ 1 hour

System restarting time < 450s

5.5 Compliance Standards Table 5-7 Compliance standards

Item Standard

Storage environment standard ETSI EN300019-1-1 V2.1.4 (2003-04) class1.2 "Weatherprotected, not temperature-controlled storage locations"

Transmission environment standard ETSI EN300019-1-2 V2.1.4 (2003-04) class 2.3 "Public transportation"

Anti-seismic performance standard IEC 60068-2-57 (1999-11) Environmental testing - Part 2-57: Tests - Test Ff: Vibration - Time-history method. YD5083-9: Interim Provisions for Test of Anti-Seismic Performances of Telecommunications Equipment (telecom industry standard in the People's Republic of China)

Electromagnetic compatibility standard The eNodeB meets the Electromagnetic Compatibility (EMC) requirements and complies with the following standards: l R&TTE Directive 1999/5/EC l R&TTE Directive 89/336/EEC l 3GPP TS 36.113 l ETSI EN 301489-1/23 l ETSI EN 301908-1 V2.2.1(2003-10) l ITU-R SM.329-10 The eNodeB is Conformite Europeenne (CE) certified.


Product Description


Page 31 of 32

6 Acronyms and Abbreviations Acronym/Abbreviation Full Name

APM Advanced Power Module

BBU BaseBand control Unit

CPRI Common Public Radio Interface

DBS Distribution Base Station

E-UTRAN Evolved UMTS Terrestrial Radio Access Network

FAN Fan Unit

FE Fast Ethernet

GE Gigabit Ethernet

GPS Global Positioning System

GSM Global System for Mobile communications

IBBS Integrated Battery Backup System

IP Internet Protocol

LMT Local Maintenance Terminal

LTE Long Term Evolution

MIMO Multiple Input Multiple Output

MTBF Mean Time Between Failures

MTTR Mean Time To Recovery

OM Operation and Maintenance

RGPS Remote Global Positioning System

RRU Remote Radio Unit

TCO Total Cost of Ownership


Product Description


Page 32 of 32

Acronym/Abbreviation Full Name

TMC Transmission Cabinet

UMTS Universal Mobile Telecommunications System

UPEU Universal Power and Environment Interface Unit

USB Universal Serial Bus

UTRAN UMTS Terrestrial Radio Access Network

Documents

eWBB2.0 DBS3900 LTE TDD Product Description · eWBB2.0 DBS3900 LTE TDD Product Description Issue 01 Date 2012-05-30 HUAWEI TECHNOLOGIES CO., LTD