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eWBB2.0 DBS3900 LTE TDD
Product Description
Issue 01
Date 2012-05-30
HUAWEI TECHNOLOGIES CO., LTD.
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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 orrepresentations 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]
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eWBB2.0 DBS3900 LTE TDD
Product Description
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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
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eWBB2.0 DBS3900 LTE TDD
Product Description
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About This Document
Overview
This document describes the network position, product architecture and characteristics, andrelated 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 HistoryUpdates between document issues are cumulative. Therefore, the latest document issuecontains all updates made in previous issues.
Issue 01 (2012-05-30)
This is the first commercial release.
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1 Introduction
1.1 OverviewThis 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, enhancedmodulation 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 itsSingleBTS 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 resourcesand 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 resourcemanagement (RRM) functions such as air interface management, access control, mobilitycontrol, 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 radiounit (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.
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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 TCOl Flexible installation of the DBS3900 simplifies site acquisition and achieves fast
network deployment with a low total cost of ownership (TCO). The BBU3900 can beinstalled 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.
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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.
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2 Architecture
2.1 OverviewThe 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 mobilitymanagement 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.
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l Provides clock ports for clock synchronization, alarm monitoring ports for environmentmonitoring, and a Universal Serial Bus (USB) port for commissioning using a USB flash
drive.
BBU3900 ExteriorThe BBU3900 has a compact case structure measuring 19 inch wide and 2 U (88.90 mm or3.50 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 providestransmission ports for two RS485 signals and eight Boolean signals.
Figure 2-2 shows the panel of the BBU3900.
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Figure 2-2 Panel of the BBU3900
l The universal transmission processing unit (UTRP) is optional. If the LMPT cannot providesufficient 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 fortime 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 orModule
Port Quantity Connector Function
LMPT FE/GE optical
port
2 SFP Transmits
traffic data onthe S1 and X2interfaces.
FE/GE
electrical port2 RJ45 Transmits
traffic data onthe S1 and X2interfaces.
USB port 1 USB Loads software.
TST port 1 USB Tests the BBU.
CommissioningEthernet port
1 RJ45 Connects to thecomputer where
the LMT is
installed.
GPS antenna
port1 SMA Connects the
BBU3900 and aGPS antenna.
LBBP CPRI port 6 SFP Connects theBBU3900 and
RRU.
UPEU Power socket 1 3V3 Receives -48 V
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Board orModule
Port Quantity Connector Function
DC power.
MON0 1 RJ45 Monitor twoRS485 signals
and connect toexternal
monitoring
devices.
MON1 1 RJ45
E x T - ALM0 1 RJ45 Receive eight
dry contactalarm signals
and connect to
external alarmdevices.
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 1PPSand 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 ExteriorsFigure 2-3 shows the RRU3232 exterior. Figure 2-4 shows the RRU3253 exterior.
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Figure 2-3 RRU3232 exterior
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Figure 2-4 RRU3253 exterior
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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
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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, thedescription 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 installingthe 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
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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 beconfigured. 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.
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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 DC184 Ah backup power by using storage batteries configured in the cabinet.
The IBBS200D or IBBS200T is compact, lightweight, and easy to transport. In addition, thecabinet 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 theIBBS200D. 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 powersystems 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 easycabling. It can be supplied with DC or AC power. Figure 2-8 shows the IMB03 interior.
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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. Itenables enterprises to efficiently deploy a wireless network with a low TCO by minimizing
the investment in electricity, space, and manpower.
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The DBS3900 consists of the BBU3900 and RRU. The BBU3900 is characterized by its smallfootprint, 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 outdoorsand 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.
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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 orrack, 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.
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3 Typical Configurations
Table 3-1 describes the typical configurations of the DBS3900.
Table 3-1 Typical configurations of the DBS3900
ConfigurationType
MIMO Quantity ofLBBPs
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
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4 Operation and Maintenance
4.1 OverviewThe 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 variousO&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 SystemFigure 4-1 shows the O&M system for the eNodeB.
Figure 4-1 O&M system for the eNodeB
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The O&M system consists of the LMT and iManager M2000 (M2000). The LMT maintains asingle 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 minimizethe requirement for the customer to manually enter configuration information, andspeeds 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 theeNodeB.
! The Configuration Management Express (CME) supports configuration rollback in
batches. Therefore, users can run a rollback command to restore data whendiscovering 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 functionsof 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.
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l Easy fault locating
! Alarm handling suggestions are offered for every alarm. This helps users to locateand 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 itseventual 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 faultdetection 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 alarmsare 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. Inaddition, 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 entirenetwork, 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 iscomplete.
! 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 onsiteinformation. Then they can send the information to Huawei Customer Service Center
for fault location.
Performance ManagementPerformance 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. Thedefault 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.
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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 availabilityof 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), SecureSocket 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 upgradewizard of the M2000. In addition, this function enables users to easily query theupgrade 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.
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l During remote deployment, software commissioning is performed in the elementmanagement system (EMS) rather than on site. Users can perform acceptance tests in the
EMS.
Equipment ManagementEquipment 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, statusmanagement, and inventory reporting for the main equipment, mechanical and electricequipment, 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 theeNodeB, 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.
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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 eNodeB5400
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)
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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)
Relative humidity 5% RH to 100% RH
Atmospheric pressure 70 kPa to 106 kPa
Protection level IP65
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Table 5-4 Equipment specifications of the RRU3253 (8T8R)
Item Specifications
Frequency band and
bandwidthFrequency 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#Fto +122#F)
Without solar radiation: -40#C to +55#C (-40#F to +133#F)
Relative humidity 5% RH to 100% RH
Atmospheric pressure 70 kPa to 106 kPa
Protection level IP65
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
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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, nottemperature-controlled storage locations"
Transmission environment standard ETSI EN300019-1-2 V2.1.4 (2003-04) class2.3 "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 ofTelecommunications 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.
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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
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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