Technical Description BTS3812E.pdf

Chapter 1 Introduction to BTS3812E 1-1.............................................................

Chapter 2 Key Benefits 2-1...................................................................................

2.1 Coverage Capability 2-1...............................................................................2.2 Capacity 2-1.................................................................................................2.3 Networking Capability 2-1.............................................................................2.4 Clock and Synchronization 2-2.....................................................................2.5 Enhanced Functions 2-2...............................................................................

2.5.1 RET Antenna 2-2.................................................................................2.5.2 HSDPA 2-2...........................................................................................

2.6 Installation 2-3..............................................................................................2.7 Evolution 2-3.................................................................................................

Chapter 3 System Architecture 3-1......................................................................

3.1 Physical Architecture 3-1..............................................................................3.1.1 Appearance 3-1....................................................................................3.1.2 Functional Architecture 3-3..................................................................

3.2 Configuration 3-6..........................................................................................

Chapter 4 Services and Functions 4-1.................................................................

4.1 Services 4-1..................................................................................................4.2 Location Servicesl 4-2..................................................................................4.3 Handover 4-2................................................................................................4.4 Diversity 4-3..................................................................................................4.5 License Function 4-4....................................................................................

Chapter 5 Operation and Maintenance 5-1..........................................................

5.1 O&M System 5-1..........................................................................................5.2 O&M Functions 5-2.......................................................................................

Chapter 6 Reliability 6-1........................................................................................

6.1 System Reliability 6-1...................................................................................6.2 Hardware Reliability 6-1...............................................................................6.3 Software Reliability 6-2.................................................................................

Chapter 7 Technical Specifications 7-1...............................................................

7.1 Radio Performance 7-1................................................................................7.1.1 Working Frequency Bands 7-1.............................................................7.1.2 Transmitting Indices 7-1.......................................................................7.1.3 Receiving Indices 7-2...........................................................................7.1.4 Capacity 7-2.........................................................................................

7.2 Engineering Indices 7-3................................................................................

7.2.1 Mechanical Dimensions 7-3.................................................................7.2.2 Weight 7-3............................................................................................7.2.3 Power Requirements 7-3.....................................................................7.2.4 Power Consumption 7-4.......................................................................7.2.5 Transmission 7-5..................................................................................7.2.6 External Alarm Interface 7-6................................................................7.2.7 Operation Environment Requirements 7-6...........................................7.2.8 EMC 7-7...............................................................................................7.2.9 Acoustic Noise 7-7...............................................................................7.2.10 Storage Environment Requirements 7-7............................................7.2.11 Transportation Requirements 7-7......................................................7.2.12 Quakeproof Protection 7-7.................................................................

Chapter 8 Installation 8-1......................................................................................

Appendix A Environment Requirements A-1.......................................................

A.1 About This Appendix A-1..............................................................................A.2 Storage Environment A-1.............................................................................

A.2.1 Climate Requirements A-1...................................................................A.2.2 Waterproof Requirements A-2.............................................................A.2.3 Biological Requirements A-2................................................................A.2.4 Air Cleanness Requirements A-2.........................................................A.2.5 Mechanical Stress Requirements A-3..................................................

A.3 Transportation Environment A-4...................................................................A.3.1 Climate Requirements A-4...................................................................A.3.2 Waterproof Requirements A-4.............................................................A.3.3 Biological Requirements A-5................................................................A.3.4 Air Cleanness Requirements A-5.........................................................A.3.5 Mechanical Stress Requirements A-6..................................................

A.4 Operation Environment A-7..........................................................................A.4.1 Climate Requirements A-7...................................................................A.4.2 Biological Requirements A-7................................................................A.4.3 Air Cleanness Requirements A-7.........................................................A.4.4 Mechanical Stress Requirements A-8..................................................

Index .................................................................................................................

Huawei Technologies Proprietary

HUAWEI

BTS3812E WCDMA NodeB Technical Manual – System Description

V100R005


BTS3812E WCDMA NodeB

Technical Manual

Volume System Description

Manual Version T2-030263-20050430-C-1.50

Product Version V100R005

BOM 31026663

Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. Please feel free to contact our local office or company headquarters.

Huawei Technologies Co., Ltd.

Address: Administration Building, Huawei Technologies Co., Ltd.,

Bantian, Longgang District, Shenzhen, P. R. China

Postal Code: 518129

Website: http://www.huawei.com

Email: [email protected]


Copyright © 2005 Huawei Technologies Co., Ltd.

All Rights Reserved

No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.

Trademarks

, HUAWEI, C&C08, EAST8000, HONET, , ViewPoint, INtess, ETS, DMC,

TELLIN, InfoLink, Netkey, Quidway, SYNLOCK, Radium, M900/M1800, TELESIGHT, Quidview, Musa, Airbridge, Tellwin, Inmedia, VRP, DOPRA, iTELLIN, HUAWEI OptiX, C&C08 iNET, NETENGINE, OptiX, iSite, U-SYS, iMUSE, OpenEye, Lansway, SmartAX, infoX, TopEng are trademarks of Huawei Technologies Co., Ltd.

All other trademarks mentioned in this manual are the property of their respective holders.

Notice

The information in this manual is subject to change without notice. Every effort has been made in the preparation of this manual to ensure accuracy of the contents, but all statements, information, and recommendations in this manual do not constitute the warranty of any kind, express or implied.


Summary of Updates

This section provides the update history of this manual and introduces the contents of subsequent updates.

Update History

This manual is updated for a major product version to maintain consistency with system hardware or software versions and to incorporate customer suggestions.

Manual Version Notes

T2-030263-20050225-C-1.50 Initial commercial release

T2-030263-20050430-C-1.50


About This Manual

Release Notes

The product version that corresponds to the manual is Huawei BTS3812E WCDMA NodeB V100R005.

Organization

The manual consists of 8 chapters that brief the characteristics, application, architecture and technical specifications of BTS3812E WCDMA NodeB.

Chapter 1 Introduction to BTS3812E. It briefly introduces the orientation of BTS3812E in the network.

Chapter 2 Key Benefits. It introduces the main features of BTS3812E.

Chapter 3 System Architecture. It introduces the appearance and functions of BTS3812E.

Chapter 4 Services and Functions. It introduces the main functions and services of BTS3812E.

Chapter 5 Operation and Maintenance. It introduces the operation and maintenance function of BTS3812E and the structure of the network management system.

Chapter 6 Reliability. It introduces the measures taken in reliability design of BTS3812E from the aspects of system, hardware and software.

Chapter 7 Technical Specifications. It lists the main performance indices and engineering parameters of BTS3812E.

Chapter 8 Installation. It introduces the installation features of BTS3812E.

Chapter 9 Appendix A

Intended Audience

The manual is intended for the following readers:

Technical marketing specialists Installation engineers and technicians Operation and maintenance personnel


Conventions

This manual uses the following conventions:

I. General conventions

Convention Description

Arial Normal paragraphs are in Arial.

Arial Narrow Warnings, Cautions, Notes and Tips are in Arial Narrow.

Boldface Headings are in Boldface.

II. Symbols

Eye-catching symbols are also used in the manual to highlight the points worthy of special attention during the operation. They are defined as follows:

Note Means a complementary description.

Technical Manual – System Description BTS3812E WCDMA NodeB Table of Contents


i

Table of Contents

Chapter 1 Introduction to BTS3812E........................................................................................... 1-1

Chapter 2 Key Benefits ................................................................................................................. 2-1 2.1 Coverage Capability .......................................................................................................... 2-1 2.2 Capacity ............................................................................................................................. 2-1 2.3 Networking Capability ........................................................................................................ 2-1 2.4 Clock and Synchronization ................................................................................................ 2-2 2.5 Enhanced Functions .......................................................................................................... 2-2

2.5.1 RET Antenna........................................................................................................... 2-2 2.5.2 HSDPA.................................................................................................................... 2-2

2.6 Installation.......................................................................................................................... 2-3 2.7 Evolution ............................................................................................................................ 2-3

Chapter 3 System Architecture.................................................................................................... 3-1 3.1 Physical Architecture ......................................................................................................... 3-1

3.1.1 Appearance............................................................................................................. 3-1 3.1.2 Functional Architecture ........................................................................................... 3-3

3.2 Configuration...................................................................................................................... 3-6

Chapter 4 Services and Functions .............................................................................................. 4-1 4.1 Services ............................................................................................................................. 4-1 4.2 Location Servicesl.............................................................................................................. 4-2 4.3 Handover ........................................................................................................................... 4-2 4.4 Diversity ............................................................................................................................. 4-3 4.5 License Function................................................................................................................ 4-4

Chapter 5 Operation and Maintenance........................................................................................ 5-1 5.1 O&M System...................................................................................................................... 5-1 5.2 O&M Functions .................................................................................................................. 5-2

Chapter 6 Reliability ...................................................................................................................... 6-1 6.1 System Reliability............................................................................................................... 6-1 6.2 Hardware Reliability........................................................................................................... 6-1 6.3 Software Reliability ............................................................................................................ 6-2

Chapter 7 Technical Specifications............................................................................................. 7-1 7.1 Radio Performance............................................................................................................ 7-1

7.1.1 Working Frequency Bands...................................................................................... 7-1 7.1.2 Transmitting Indices ................................................................................................ 7-1 7.1.3 Receiving Indices .................................................................................................... 7-2 7.1.4 Capacity .................................................................................................................. 7-2

Technical Manual – System Description BTS3812E WCDMA NodeB Table of Contents


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7.2 Engineering Indices ........................................................................................................... 7-3 7.2.1 Mechanical Dimensions .......................................................................................... 7-3 7.2.2 Weight ..................................................................................................................... 7-3 7.2.3 Power Requirements............................................................................................... 7-3 7.2.4 Power Consumption................................................................................................ 7-4 7.2.5 Transmission........................................................................................................... 7-5 7.2.6 External Alarm Interface.......................................................................................... 7-6 7.2.7 Operation Environment Requirements.................................................................... 7-6 7.2.8 EMC ........................................................................................................................ 7-7 7.2.9 Acoustic Noise......................................................................................................... 7-7 7.2.10 Storage Environment Requirements..................................................................... 7-7 7.2.11 Transportation Requirements................................................................................ 7-7 7.2.12 Quakeproof Protection .......................................................................................... 7-7

Chapter 8 Installation.................................................................................................................... 8-1

Appendix A Environment Requirements ....................................................................................A-1 A.1 About This Appendix .........................................................................................................A-1 A.2 Storage Environment.........................................................................................................A-1

A.2.1 Climate Requirements ............................................................................................A-1 A.2.2 Waterproof Requirements.......................................................................................A-2 A.2.3 Biological Requirements .........................................................................................A-2 A.2.4 Air Cleanness Requirements ..................................................................................A-2 A.2.5 Mechanical Stress Requirements...........................................................................A-3

A.3 Transportation Environment ..............................................................................................A-4 A.3.1 Climate Requirements ............................................................................................A-4 A.3.2 Waterproof Requirements.......................................................................................A-4 A.3.3 Biological Requirements .........................................................................................A-5 A.3.4 Air Cleanness Requirements ..................................................................................A-5 A.3.5 Mechanical Stress Requirements...........................................................................A-6

A.4 Operation Environment .....................................................................................................A-7 A.4.1 Climate Requirements ............................................................................................A-7 A.4.2 Biological Requirements .........................................................................................A-7 A.4.3 Air Cleanness Requirements ..................................................................................A-7 A.4.4 Mechanical Stress Requirements...........................................................................A-8

Index ................................................................................................................................................ i-1

Technical Manual – System Description BTS3812E WCDMA NodeB Chapter 1 Introduction to BTS3812E


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Chapter 1 Introduction to BTS3812E

Huawei offers a series of WCDMA NodeBs by following 3GPP R4/R5 FDD protocols. Huawei can offer various customized solutions of the WCDMA radio access network according to different requirements and actual conditions of operators, to achieve the seamless coverage of cities, suburbs, countryside, highways and hot spots. Figure 1-1 shows a typical solution of the WCDMA radio access network supported by Huawei. Table 1-1 lists a series of NodeB.

RNC

RNC

WCDMA CS

WCDMA PS

NodeB

UTRAN

UE

UE

UE

NodeB

NodeB

NodeB

NodeBNodeB

NodeB

NodeB

Figure 1-1 Architecture of WCDMA radio access network

Note:

The NodeB in the above figure can be the one in the Huawei NodeB Family, such as indoor macro NodeB, outdoor macro NodeB, distributed NodeB, and mini NodeB. You may choose the wanted NodeB type according to environment and requirement.

Technical Manual – System Description BTS3812E WCDMA NodeB Chapter 1 Introduction to BTS3812E


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Table 1-1 Applications of Huawei NodeB series

NodeB type Model

Maximum number of cells per cabinet

Application Remarks

BTS3812E 12 Indoor

BTS3812 12 Densely populated areas, such as cities Indoor Indoor

macro NodeB

BTS3806 6 Small and middle-sized cities and towns with low equipment room requirements

Outdoor

BTS3812A 12 Open areas hard to set up an equipment room

BTS3812A is a type of outdoor NodeB based on BTS3812E.Outdoor

macro NodeB

BTS3806A 6 Open areas hard to set up an equipment room

BTS3806A is a type of outdoor NodeB based on BTS3806.

BBU3806 3 Indoor baseband processing unit

BBU3806C 3

Outdoor baseband processing unit

BBU3836 81 Indoor baseband processing unit

Distributed NodeB

RRU3801C 2

The BBU+RRU distributed NodeB solution ensures lower costs and faster networking for operators.

Outdoor radio remote unit

BTS3801C 1

BTS3802C 2 Mini NodeB

BTS3803C 3

Indoor, highways, railways and so on

BTS3812E is a type of indoor macro-cell NodeB developed according to the 3GPP R4/R5 FDD protocols. A single BTS3812E cabinet can support up to 12 cells and be applied to urban areas, central business districts and areas with great traffic development potentialities.

Technical Manual – System Description BTS3812E WCDMA NodeB Chapter 2 Key Benefits


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Chapter 2 Key Benefits

BTS3812E embodies the user-centered design ideas. It gives full consideration to the service, capacity, coverage, transmission, power supply, installation and maintenance requirements of network operators. It adopts a modular design method and is a type of highly integrated equipment.

2.1 Coverage Capability 1) Under different configurations, the transmit power per carrier at the Tx antenna

connector (at the top of BTS3812E cabinet) may be 20 W or 40 W when each MTRU supports a single carrier. It can also be 15 W or 20 W when each MTRU supports two carriers. BTS3812E supports special configurations under which the number of carriers and transmit power can vary from sector to sector.

2) The transmit diversity mode is supported to enhance downlink demodulation gains.

3) The cell breathing function is supported and the maximum cell breath gain adjustment range is equal to or smaller than 10 dB.

4) RRU(Radio Remote Unit) connection is supported to deal with coverage in some special regions.

5) The maximum search capability of baseband is 180 km. The maximum access search radius is configurable.

6) The 1-way receiver sensitivity is better than –125 dBm. 7) The NodeB tower mounted amplifier module (TMA, optional) is supported. The

TMA can compensate for feeder loss. The TMA gain is 24dB or 12 dB. 8) Multiple receive diversity modes are supported, including 2-way receiver diversity,

4-way receiver diversity, and RAKE multi-path receive diversity so that the uplink demodulation performance and uplink receiver sensitivity are both improved.

2.2 Capacity A single BTS3812E cabinet supports 1024 equivalent voice channels at 12.2 kbit/s

in both uplink and downlink. A single BTS3812E cabinet can support up to 12 cells and each sector can

support up to 4 carriers, meeting the requirements of high traffic areas.

2.3 Networking Capability 1) Transmission modes supported:

E1



2-2

T1 STM-1 Hybrid: STM-1 and E1/T1

2) Networking modes supported: Star Chain Tree Ring Hybrid

The chain and tree networking modes support up to five levels of cascading.

3) Co-transmission between 2G and 3G equipment

BTS3812E can provide transmission links for 2G BTSs by means of CES mode, or use the transmission links provided by 2G BTSs to transmit the Iub interface data by means of Fractional ATM mode.

4) The inverse multiplexing on ATM (IMA) mode and user network interface (UNI) mode are supported.

2.4 Clock and Synchronization

Multiple synchronization modes are supported for different network environments, including:

Synchronizing with the clock extracted from the Iub interface (default) Synchronizing with the Global Positioning System (GPS) Synchronizing with the external input clock such as the BITS clock, 2M clock and

so on Supporting free-run working mode which can keep the NodeB in normal working

for 90 days or longer

2.5 Enhanced Functions

2.5.1 RET Antenna

BTS3812E supports remote electric tilt (RET) antenna system that complies with AISG1.0. It facilitates the antenna tilt adjustment and enhances network performance.

2.5.2 HSDPA

BTS3812E supports high speed downlink packet access (HSDPA). The HSDPA technology is a modulation and demodulation algorithm put forward in 3GPP R5 for asymmetrical uplink/downlink data service transmission. It plays an important role in



2-3

increasing downlink capacity and data service rate. The peak data rate can be 14.4 Mbps/cell.

2.6 Installation

BTS3812E features easy installation and supports:

Frontal accessibility of BTS3812E cabinet cabling Installation against wall Back-to-back installation Side-by-side installation Smaller floor space Frontal accessibility of O&M Before delivery, BTS3812E cabinet is ready for use, and all internal cables of

cabinet are installed and debugged to meet customers’ requirements. The field installation personnel only need to fix the cabinet, insert the boards,

install the external cables and download the data configuration file. Easy and fast BTS3812E software and hardware installation leads to much

shorter installation time and faster network rollout.

2.7 Evolution

BTS3812E can meet the requirements in smooth upgrade and capacity expansion from the following aspects.

I. Smooth Evolution of Protocol Releases

The present BTS3812E is based on 3GPP R4/R5 protocol releases. It supports smooth evolution to later 3GPP protocol release, for example, multimedia broadcast and multicast service (MBMS) and high speed uplink packet access (HSUPA).

To support MBMS, you only need to upgrade the software loaded to BTS3812E. To support HSUPA, you only need to add a HSUPA-supportive UL processing

board or replace the existing board with such a board, and then upgrade the software loaded to BTS3812E.

See the following description of MBMS and HSUPA.

MBMS: It is a point-to-multipoint technology introduced to WCDMA R6 release. This technology can save resources over the air interface by broadcasting multimedia services to the UEs of a cell over common channels or by sending multicast services subscribed by UEs of a cell.

HSUPA: It is a technology introduced to WCDMA R6 release, serving as a means to enhance UL packet service processing capability. Specific techniques related to HSUPA include 2ms frame, HARQ, and NodeB scheduling. HSUPA can enhance



2-4

system capacity by 50% to 70% and reduce time delay in packet services by 20% to 55%. A single subscriber can enhance service rate by 50%.

II. Enhanced Functions and Technologies

1) The present BTS3812E supports three transmission modes, that is, E1, T1, and STM-1. It will be able to support more transmission modes such as E3, T3, and Ethernet.

2) Later versions of BTS3812E can be enhanced by some technologies, including: Smart antenna (SA): It performs formation and shaping for the received and

transmitted beams of the NodeB according to the spatial characteristics of signal transmission and the digital signal processing technology. It can reduce interference, multiply capacity, broaden coverage, enhance communication quality and decrease costs of operators.

Multi-user detection (MUD): Perform combined detection for multiple users to limit the multiple access interference. It is a good solution to the near-far problem. The technology lowers the requirements for power control precision, and therefore can make better use of the spectrum resources and enhance system capacity and coverage.

Technical Manual – System Description BTS3812E WCDMA NodeB Chapter 3 System Architecture


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Chapter 3 System Architecture

3.1 Physical Architecture

3.1.1 Appearance

Complying with the IEC297 standard, the cabinet dimensions of BTS3812E are:

1400 mm high 600 mm wide 600 mm deep

Figure 3-1 shows the appearance of a BTS3812E cabinet.

Figure 3-1 Appearance of BTS3812E cabinet



3-2

Figure 3-2 shows a BTS3812E cabinet under full configuration. A single BTS3812E cabinet can support up to 12 cells.

(1) MAFU subrack (2) MTRU subrack (3) Fan subrack (4) Baseband subrack

Figure 3-2 BTS3812E cabinet under full configuration



3-3

Note:

The NAOI and NDTI are both Iub interface boards. The slots for Iub interface boards are compatible with both NDTI and NAOI.

NBOI can also use the 0 or 1 slot of baseband subrack when BTS3812E need to connect RRU.

Table 3-1 lists the boards and modules in BTS3812E.

Table 3-1 Boards and modules

Abbreviation Full name

NAOI NodeB ATM Optical Interface unit

MAFU NodeB Multi-carrier Antenna Filter Unit

NBOI NodeB Baseband processing and Optical Interface unit

MTRU NodeB Multi-carrier TRansceiver Unit

HDLP NodeB HSDPA supported Down Processing Unit

NDTI NodeB Digital Trunk Interface unit

NFAN NodeB FAN box

NBBI NodeB BaseBand Interface processing Unit

NCCU NodeB Cable Connected Unit

NMON NodeB MONitor unit

NMPT NodeB Main Processing & Timing unit

TMA Tower Mount Amplifier

HULP NodeB HSDPA supported Uplink Processing Unit

3.1.2 Functional Architecture

Figure 3-3 shows the functional modules of BTS3812E.



3-4

NBBI

HULPNDTI/NAOI

TMA

Antenna

TMA

Antenna

RNC

TransportSubsystem

BTS3812E cabinet

RF SubsystemBasebandSubsystem

ControlSubsystem

MTRU

Rxo

Rx1

Tx PA

Rx path 0

Rx path1

Tx path

MAFU

Dup

lexe

r

HDLP

NMPT

NMON

Figure 3-3 Functional architecture of BTS3812E

A BTS3812E is composed of the following subsystems:

I. Transport Subsystem

The transport subsystem consists of Iub interface boards such as NDTI and NAOI. Its principal function is to interface with the RNC to exchange information between BTS3812E and the RNC.

The slots for Iub interface boards are compatible with both NAOI and NDTI, and NAOI and NDTI can coexist in one cabinet.

1) NDTI NDTI provides E1/T1 ports for interfacing with the RNC, bearing the ATM

switching function. NDTI supports load sharing mode.

2) NAOI NAOI provides ATM optical interfaces for interfacing with the RNC, bearing the

ATM switching function. NAOI supports load sharing mode.

II. Baseband Subsystem

The baseband subsystem comprises HULPs, HDLPs and NBBIs. It performs downlink transmit and uplink receive on the physical layer.

1) NBBI Converts and controls baseband signals and RF signals Process services in downlink and uplink baseband signals Supports 1+1 backup mode

2) HDLP



3-5

The HDLP performs encoding and modulation of DL baseband signal. The two HDLPs support load sharing mode.

3) HULP The HULP implements search over UL access channels, demodulation over

dedicated channels, UL channel encoding, channel estimation, RAKE receive, softer handover and decoding.

The HULP supports N+1 work mode and resource pools.

III. RF Subsystem

The RF subsystem includes MTRUs and NAFUs.

1) MTRU

MTRU consists of RF receive channels and one RF transmit channel.

The receive channels:

Down-converts received signals into IF signals Amplifies the IF signals Performs A/D conversion, digital down conversion, matched filtering, and DAGC

The transmit channel performs:

Shaping and filtering of DL spread signals Digital upconversion D/A conversion Up-conversion of RF signals at transmit frequency band Power amplification

2) MAFU

MAFU provides such functions as filtering and low noise amplification.

Each MAFU

Consists of one duplex filter, one receive filter, and two LNAs Provides two receive channels and one transmit channel

IV. Control Subsystem

The control subsystem includes NMPT and NMON.

1) NMPT

NMPT is the control core of BTS3812E. It controls all the boards in baseband subrack, processes various signals, and provides system clock.

NMPT has the following functions:

Signaling processing over the Iub interface Resource management Equipment management



3-6

Configuration management Maintenance management Software management Alarm management Active/standby management Testing management Environment monitoring

The clock module in NMPT providing various reference clocks for the entire NodeB.

2) NMON

The optional NMON has the following functions:

Providing Boolean value ports for external alarms and output control Working with NMPT to control RET Providing modulation and demodulation of AISG signals

V. Antenna and Feeder Subsystem

The antenna and feeder subsystem consists of:

Antenna Feeder Optional TMA

The subsystem transmits and receives signals over the Uu interface of the NodeB.

The principal functions of TMA are to:

Amplify weak signals received from the antennas Improve receiver sensitivity of the NodeB enlarge the UL coverage of the system Effectively lower transmit power of a UE Mitigate interference noise inside the system Enhance call quality

VI. Cooling Subsystem

The fan subrack and the air inlet box form a ventilation circuit, cooling the entire system.

3.2 Configuration

Table 3-2 shows the typical configurations of BTS3812E

Table 3-2 Typical configurations of BTS3812E

Configuration type No. of cabinets Transmit diversity

1 × 1 1 Opt.



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Configuration type No. of cabinets Transmit diversity

3 × 1 1 Opt.

3 × 2 1 Opt.

3 × 3 1 No

3 × 4 1 No

6 × 1 1 No

6 × 2 1 No

In addition, BTS3812E supports some special configurations such as 2-sector configuration, 4-sector configuration and so on.

BTS3812E have the following configuration features:

BTS3812E supports omni-directional, 2-sector, 3-sector and 6-sector configurations. Each sector can support up to 4 carriers. A single BTS3812E cabinet can support up to 3 × 4 (sector × carrier) no transmit diversity configuration or 6 × 2 no transmit diversity configuration. It also supports cascaded RRUs. Operators may select from the above configurations according to the target areas and the number of subscribers.

BTS3812E supports smooth capacity expansion from 1 × 1 to 6 × 2. BTS3812E adopts a modular design, which makes it possible to expand the network capacity simply by adding new modules. In the initial phase of network deployment, operators can select a configuration with small capacity such as omni configuration or 3 × 1 configuration. Later on when there are more subscribers, you can expand system capacity from small-capacity configuration to large-capacity configuration such as 3 × 2 and 3 × 4.

Technical Manual – System Description BTS3812E WCDMA NodeB Chapter 4 Services and Functions


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Chapter 4 Services and Functions

4.1 Services

BTS3812E supports:

Circuit switched (CS) domain services at various rates Packet switched (PS) domain services at various rates Combined services between the PS domain and CS domain

I. CS Domain Services

The CS domain services are telecommunication services that pose relatively high real-time requirements in the areas below:

Voice services, for example, adaptive multi rate (AMR) voice services Data services, for example, video phone and fax

There are two types of CS domain data services:

Transparent services NodeB Non-transparent services

1) AMR voice services

BTS3812E supports AMR voice services at various rates

12.2 kbit/s 10.2 kbit/s 7.95 kbit/s 7.4 kbit/s 6.7 kbit/s 5.9 kbit/s 5.15 kbit/s 4.75 kbit/s

The AMR voice rates in uplink and downlink can be asymmetrical.

2) Transparent data services

BTS3812E supports transparent data services at the following rates:

64 kbit/s 56 kbit/s 32 kbit/s 28.8 kbit/s

The data rates in uplink and downlink can be asymmetrical.



4-2

3) Non-transparent data services

BTS3812E supports non-transparent data services at the following rates:

57.6 kbit/s 28.8 kbit/s 14.4 kbit/s

The data rates in uplink and downlink can be asymmetrical.

II. PS Domain Services

The WCDMA system distinguishes itself from the 2G system by its high transfer rate of data services. This distinct feature gives subscribers high speed access to the Internet and makes the system capable of supporting services such as web browsing, data downloading, E-mail, video on demand and audio on demand.

BTS3812E supports the PS domain services at the typical rates below:

16 kbit/s 32 kbit/s 64 kbit/s 128 kbit/s 144 kbit/s 384 kbit/s

BTS3812E supports transmission with transmission time interval (TTI) of 10 ms, 20 ms, 40 ms, or 80 ms. The data rates in uplink and downlink can be asymmetrical.

III. Combined Services between PS and CS

BTS3812E supports various combined services between the PC domain and CS domain:

AMR voice service + PS domain data service AMR voice service + CS domain non-transparent data service AMR voice service + CS domain transparent data service CS domain transparent data service + PS domain data service CS domain non-transparent data service + PS domain data service AMR voice service + data service 1 + data service 2

4.2 Location Servicesl

BTS3812E supports location services based on Cell ID, OTDOA and A-GPS.

4.3 Handover

BTS3812E supports:



4-3

Soft handover Softer handover Hard handover

I. Soft Handover

Soft handover takes place between intra-frequency neighboring cells within the same UTRAN. Handover between intra-frequency neighboring cells of the same NodeB might be soft handover or softer handover.

II. Softer Handover

Softer handover, a special kind of soft handover, takes place between intra-frequency neighboring cells that belong to neighboring sectors of the same NodeB. During softer handover, the UE sets up radio links with two cells of the same NodeB. In this case, the NodeB merges the diversity signals the two cells receive from the UE. Generally the communication quality in softer handover is better than that in soft handover.

III. Hard Handover

BTS3812E supports the following kinds of hard handover:

Intra-frequency hard handover: takes place between intra-frequency cells under RNCs not interconnected through the Iur interface

Inter-frequency handover: takes place between cells at different frequencies Inter-core network (CN) handover Inter-system handover: BTS3812E supports seamless handover of dual-band

UEs between GSM and WCDMA systems.

4.4 Diversity

I. Transmit Diversity

BTS3812E supports:

Open loop space time transmit diversity (STTD) Open loop time switched transmit diversity (TSTD) Closed loop transmit diversity in Mode 1 Closed loop transmit diversity in Mode 2

Transmit diversity is optional and operator-specific.

II. Receive Diversity

BTS3812E supports:

2-way receive diversity: basic function



4-4

4-way receive diversity: optional function

4.5 License Function

Traditionally, operators can expand capacity by purchasing more hardware. A License provides the mechanism for precise capacity control. With a License, operators may obtain a rather small-capacity system with lower investment in the initial phase of network deployment.

With a License, operators can obtain enhanced functions and services and provide value-added services. They may choose network functions applicable to a specific phase so that their investment will be protected to the greatest extent.

Technical Manual – System Description BTS3812E WCDMA NodeB Chapter 5 Operation and Maintenance


5-1

Chapter 5 Operation and Maintenance

5.1 O&M System

The O&M system of BTS3812E provides graphic user interfaces (GUIs) and MML commands to support customized man-machine interfacing. It provides customers with the following functions:

Security management Data configuration Maintenance management Alarm management Performance test Environment monitoring

Figure 5-1 shows the O&M system of BTS3812E.

VLANLMT

LMT NodeB

NodeB

RNC

iManagerM2000

LMT

IPoA

IPoE

IPoEIPoA

IPoA: IP over ATM IPoE: IP over Ethernet NodeB: UMTS Base Station RNC: Radio Network Controller VLAN: Virtual Local Area Network LMT: Local Maintenance Terminal IManager M2000: Huawei Mobile Element Management System

Figure 5-1 O&M system of BTS3812E

The O&M terminals of BTS3812E include:

Local maintenance terminal (LMT) iManager M2000: a centralized maintenance center

BTS3812E supports the following maintenance modes:



5-2

Near end maintenance: The maintenance engineer connects an LMT to BTS3812E through a network cable and logs in to the NodeB to perform maintenance.

Far end maintenance: BTS3812E is generally seated in an unattended room. The maintenance engineer logs in to BTS3812E over the IPoA channel to perform maintenance on the NodeB through LMT or M2000.

Automatic setup of default maintenance channel: When no data configuration file is loaded to NodeB, the default IPoA maintenance channel can be automatically set up between RNC and NodeB. Generally, BTS3812E only has software loaded rather than data configuration file after hardware installation. With this function, the maintenance personnel can load data and programs to the NodeB at the far end. The automatic setup function of default maintenance channel decreases the operation and maintenance costs and enhances network maintainability and maintenance quality.

5.2 O&M Functions

BTS3812E puts great emphasis on operator-specific requirements in operation and maintenance and offers the following effective functions.

I. Security Management

BTS3812E provides powerful security management functions to effectively manage and control the system by authorizing maintenance engineers with layered operation rights.

II. Alarm Management

The alarm management system of BTS3812E can detect and report equipment faults and abnormality in real time. It can display alarm information and alarm handling suggestions on the alarm management system of LMT or M2000. The alarm management system of M2000 can connect to an alarm box through a serial port, and supports audible and visible alarms. Customers may subscribe some specified alarms and forward them to the handsets or pagers of maintenance engineers. The engineers then can handle the faults and abnormalities as quick as possible.

III. Data Configuration

The O&M system of BTS3812E allows addition, deletion, modification and consistency check of the NodeB data. It supports both online and offline data configurations.

For online data configuration, the modified data takes effect at once. For offline data configuration, the modified data takes effect only after the reset of

NodeB.



5-3

Offline data only applies to receive diversity mode.

IV. Maintenance Management

The O&M system of BTS3812E provides the following maintenance functions:

Supporting monitoring or querying of board operation status so that customers can know system operation timely.

Automatic backup of maintenance logs. The interval between backups and the backup directory can depends on operator’s requirements.

Supporting querying of the hardware, software and patch versions Supporting real-time monitoring of system operational indices and system

resources (such as CPU and DSP) Supporting status query, performance measurement and reset of physical links

over the Iub interface Supporting reset of boards and key components Supporting blocking and unblocking operations to boards and board resources Supporting the tracing, filtering and interpretation of Iub interface signaling. The

traced messages can be saved, reviewed and browsed

Technical Manual – System Description BTS3812E WCDMA NodeB Chapter 6 Reliability


6-1

Chapter 6 Reliability

6.1 System Reliability

BTS3812E is designed after overall analysis on system reliability. BTS3812E adopts the following methods to enhance system maintainability:

Active/standby mode load-sharing Redundant configuration Optimized fault detection of boards and system Optimized fault separation

I. Redundancy

Baseband boards (HULP and HDLP) adopt the resource pool architecture and work in N+1 backup mode. Failure in part of the boards does not affect normal operation of the NodeB. In addition, baseband processing capability is not affected when redundant boards are configured.

The Iub interface boards can work in load-sharing mode. When a service link is broken and the transmission capability deteriorates, the overloaded or faulty board can transfer partial or all load to other available boards or links.

II. Active/Standby Mode

NBBI supports active and standby modes.

III. System Maintainability

BTS3812E can automatically detect and diagnose faults in hardware or software, and report them as alarms. It can record and report fault information. It can also detect environmental status and report the abnormality in time.

6.2 Hardware Reliability

I. Prevention against Mistakenly Inserted Boards

When a functional board is inserted into a wrong slot, it cannot get into full contact with the backplane. This prevents the equipment from damage.



6-2

II. Speed Control and Redundancy Design of Fan Box

With system dissipation guaranteed, fan speed can be controlled to reduce equipment noise and fan abrasion. In this way, both the service life and reliability of the heat dissipation system can be greatly enhanced.

The redundancy design of the fan box ensures normal operation of the system even if one of the fans gets faulty. Therefore, the system anti-fault capability and the system reliability are enhanced.

III. Protection against Overtemperature and Over-Excitation of MTRU

When the temperature exceeds the specified limit, the system automatically lowers the rated output power of MTRU or shuts down the MTRU and reports related alarms. In this way, MTRU is under protection. Its service life and reliability cannot be affected.

MTRU also provides:

Over-excitation protection Over reflected power protection

IV. Reliability Design for Power Supply

The –48V input power supply is kept under detection. When the power voltage is too low or too high, BTS3812E reports an alarm.

The power supply has the lightning protection function and the protection function against voltage dips and sags.

BTS3812E provides the power failure protection for programs and data. The boards provide over-voltage, overcurrent and reverse-polarity-connection

protection.

6.3 Software Reliability

Software reliability is reflected in the powerful capability of error tolerance. The whole system will not corrupt when the software fails. That is, the system has self-healing capability. Error tolerance of BTS3812E is shown in the following aspects:

I. Regular Check on Key Resources

Seizure check is conducted on various software resources in the system. If resource hang-up occurs due to software abnormality, it lasts only a short time because the check mechanism can ensure the release of hung-up resources and the output of related logs and alarms.



6-3

II. Task Monitoring

When the software is active, the task monitoring function can monitor any possible fault in software or hardware. In addition, the detected fault can be reported. Task status and system abnormalities can be monitored.

III. Storage Protection

The software system adopts the segment/page protection mechanism of CPU memory management unit (MMU), implementing storage protection of codes and important data segments.

IV. Data Check

The system is able to perform regular or event-driven check on data consistency, restore the data consistency selectively or preferably and output related logs and alarms.

V. Saving Operation Log Information

The system records user operations within a certain period and saves the recorded information to the system operation log. The operation log can be used to locate the error or exception due to incorrect operation so that the system can be restored to normal state.

Technical Manual – System Description BTS3812E WCDMA NodeB Chapter 7 Technical Specifications


7-1

Chapter 7 Technical Specifications

7.1 Radio Performance

7.1.1 Working Frequency Bands

Table 7-1 System indices

Parameter Indices

Receive band 1920 MHz to 1980 MHz

Transmit band 2110 MHz to 2170 MHz

Bandwidth with a single carrier 5 MHz

Duplex frequency separation 130 MHz to 250 MHz

7.1.2 Transmitting Indices

Nominal output power per carrier at the Tx antenna connector (at the top of BTS3812E cabinet) is listed in Table 7-2.

Table 7-2 Output power

Configuration type

Transmit diversity mode

Max. output power (38 W PA)

Max. output power (50W PA)

No transmit diversity 44.78 dBm (30 W) 46 dBm (40 W) 1x1

Transmit diversity 47.78 dBm (60 W) 49dBm (80 W)



No transmit diversity 41.78dBm (15 W) 43 dBm (20 W)

No transmit diversity 44.78 dBm (30 W) 46 dBm (40 W)

3x2

Transmit diversity 44.78 dBm (30 W) 46 dBm (40 W)



6x2 No transmit diversity 41.78dBm (15 W) 43 dBm (20 W)



7-2

Configuration type

Transmit diversity mode

Max. output power (38 W PA)

Max. output power (50W PA)

No transmit diversity 44.78 dBm (30 W) 46 dBm (40 W)

Transmit diversity 44.78 dBm (30 W) 46 dBm (40 W)

7.1.3 Receiving Indices

I. Receiver Sensitivity

The static RF sensitivity at the Rx antenna connector (at the top of BTS3812E cabinet) is listed in Table 7-3, with following assumptions: BER < 10-3, convolutional coding 1/3 at 60 kbit/s, using 3GPP measurement channel of 12.2 kbit/s.

Table 7-3 Receiver sensitivity

Receive diversity mode Receiver sensitivity

1-way receive diversity –125 dBm

II. Maximum Access Search Capability

The maximum access search radius of baseband capability is 180 km. The maximum access search radius is configurable and the step size is 300 m.

7.1.4 Capacity

The number of channel elements is adjustable to fit specific requirements, depending on the number of subscribers and the types of service. Table 7-4 defines the maximum capacity of the baseband subrack in BTS3812E under 3 × 4 configuration.

Additional capacity is provided for common channels and softer handover. The full capacity is pooled over all cell-carriers.

Table 7-4 Capacity.

Channel element

Uplink capacity 1024

Downlink capacity 1024



7-3

7.2 Engineering Indices

7.2.1 Mechanical Dimensions

Table 7-5 Mechanical dimensions of BTS3812E

Width (mm) Depth (mm) Height (mm)

Cabinet 600 600 1400

Cabinet + power supply box at the top of cabinet

600 600 1500

Base frame 600 600 60

Total 600 600 1560

Note:

Adjust the base frame to change the height by 0 mm to 4 mm if the mounting surface is uneven. Therefore, the maximum cabinet height can reach 1564 mm. The base frame is mandatory.

7.2.2 Weight

Table 7-6 Weight

Unit Weight (kg)

Full configuration 205

3 x 1, Normal configuration 160

3 x 2, Normal configuration 165

7.2.3 Power Requirements

The BTS3812E complies with the requirement regarding to the rated –48 V DC power supply stipulated in ETS 300 132-2. The external power supply equipment has to comply with this standard.



7-4

Table 7-7 Power Requirements.

Value

Rated voltage - 48 V DC

Input voltage range - 40 V DC ~ - 60 V DC

7.2.4 Power Consumption

Table 7-8 lists the minimum, maximum and typical power consumption of BTS3812E under typical configuration.

Table 7-8 Power consumption

Configuration type

O1 S(1,1,1)

S(2,2,2)

S(3,3,3)

S(4,4,4)

S(1,1,1,1,1,1)

S(2,2,2,2,2,2)

Max. power consumption (38 W PA)

530

1120 1150 2290 2290 2290 2290

Typical power consumption(38W PA)

340

760 790 1660 1660 1660 1660

Maximum power consumption(50W PA)

580

1290 1320 2630 2630 2630 2630

Note:

The maximum power consumption of 38 W PA is tested when the output power is 30 W at the top of cabinet per MTRU.

The typical power consumption of 38 W PA is tested when the output power is 20 W with 50% load at the top of cabinet per MTRU.



7-5

7.2.5 Transmission

I. Transmission Interfaces

Table 7-9 BTS3812E transmission interfaces

Interface type Quantity Speed Standards

T1 16 pairs 1.5 Mbit/s ANSI-G.703/G.704

E1 16 pairs 2 Mbit/s ETS 300 420 ITU G.703/G.704

STM-1 4 155 Mbit/s ANSI T1.105-1995ITU I.432.2 G.703 ITU G.957

II. Interfaces for 2G Connections

Table 7-10 Interfaces between BTS3812E and 2G connections

Interface type Quantity

E1 4 pairs

T1 4 pairs

III. Other External Interfaces

Table 7-11 BTS3812E external interfaces

Interface name Type Quantity Function

GPS 2 Providing stable second signal

Clock interface

External input clocks

1 Such as BITS providing high-precision clock signals at 2.048 MHz

Power supply 1 --

Protection ground

1 --

Power and grounding interface

Power ground 1 --

External alarm input port

32 -- Monitoring interface

External control output port

7 --



7-6

Interface name Type Quantity Function

Environment monitoring communication interface

1 Providing the interface to environment monitoring instrument (EMI)

Antenna and feeder interface

RF signal interface

12 Corresponding to three sectors or six sectors

7.2.6 External Alarm Interface

BTS3812E has 32 external alarms input ports and 7 output control ports to supervise and control other external devices at the same site.

The operator may define up to 32 external alarms input ports and 7 output control ports. External devices are electrically isolated from the NodeB. You may set the alarms either by switching on or by switching off the external devices.

Table 7-12 lists the specified parameters of external alarm interfaces.

Table 7-12 External alarm interfaces parameters

Input/output ports Parameters

Closed resistance Closed < 1k ohm

Open resistance Open > 51 k ohm

Min. current 5 mA

External alarm input ports

Min voltage 6 V

Max. voltage through relay 110 V DC; 125 V AC Output control ports

Max. current through relay 1 A

7.2.7 Operation Environment Requirements

Table 7-13 BTS3812E operation environment requirements

Item Range

Temperature –5 C to 45 C Long-term operation environment

Relative humidity

5% RH to 85% RH

Short-term operation Temperature –10 C to 55 C



7-7

Item Range environment Relative

humidity 5% RH to 95% RH

Note:

Long-term operation environment refers to normal working condition of NodeB for a long time.

Short-term operation environment refers to the working condition in which the NodeB can work normally for no more than 15 days with no hardware failure.

7.2.8 EMC

BTS3812E fulfills the electromagnetic compatibility (EMC) requirements specified in:

R&TTE Directive 99/5/EC 3GPP TS 25.113 V4.4.0 (December 2002) ETSI EN 301 489-1/23 ETSI EN 301 908-1 V2.2.1 (October 2003)

BTS3812E has passed the CE certification.

7.2.9 Acoustic Noise

In normal operation, the sound power level (SPL) acoustic noise generated by BTS3812E is lower than 64 dBA.

7.2.10 Storage Environment Requirements

BTS3812E complies with ETS class 1.2 Weather Protected, Not Temperature Controlled Storage Locations in ETS 300 019-1-1.

7.2.11 Transportation Requirements

BTS3812E complies with ETS class 2.3 Public Transportation in ETS 300 019-1-2.

7.2.12 Quakeproof Protection

BTS3812E fulfills the quakeproof protection requirements according to:

IEC/EN 60 068-2-57



7-8

MII YD5083-99

Technical Manual – System Description BTS3812E WCDMA NodeB Chapter 8 Installation


8-1

Chapter 8 Installation

BTS3812E features easy installation. BTS3812E can be placed against a wall, side by side, or back to back. Therefore, less floor space is required. Before delivery, all internal cabling of the NodeB is installed and debugged to meet customers’ requirements. The field installation personnel only need to fix the cabinet, insert the boards, install the external cables and download the data configuration file.

BTS3812E also facilitates equipment maintenance and future expansion. In the NodeB, the cables supports frontal accessibility, specifically, cables connecting BTS3812E baseband subrack and MTRU and those between MTRUs and MAFUs.

The external cables of BTS3812E are easy to install. Ports for the antenna jumpers, power cables, transmission cables, and signal cables are all routed at the top of the cabinet with corresponding silk-screens.

Automatic setup of default maintenance channel is supported. When no data configuration file is loaded to NodeB, the default IPoA maintenance channel can be automatically set up between RNC and NodeB. Generally, BTS3812E only has software loaded rather than data configuration file after hardware installation. With this function, the maintenance personnel can load data and programs to the NodeB at the far end. The automatic setup function of default maintenance channel decreases the operation and maintenance costs and enhances network maintainability and maintenance quality.

BTS3812E features easier and faster installation of both software and hardware. This ensures faster network deployment and rollout.

Technical Manual – System Description BTS3812E WCDMA NodeB Appendix A Environment Requirements


A-1

Appendix A Environment Requirements

A.1 About This Appendix

This appendix describes the environment requirements of BTS3812E, including:

Storage Environment Transportation Environment Operation Environment

Note:

The environment requirements comply to the following two standards: ETS 300019 "Equipment Engineering (EE); Environmental conditions and

environmental tests for telecom equipment" IEC 60721 "Classification of environmental conditions"

A.2 Storage Environment

The following lists the climate, waterproof, biological, air cleanness, and mechanical stress requirements of the equipment during storage.

A.2.1 Climate Requirements

The storage environment of NodeB should meet the climate requirements listed in Table A-1.

Table A-1 Climate requirements for equipment storage

Item Range

Altitude ≤ 5,000 m

Air pressure 70 kPa to 106 kPa

Temperature: –40°C to +70°C

Temperature change rate ≤ 1°C/min

Relative humidity 10% to 100%



A-2

Item Range

Solar radiation ≤ 1,120 W/s²

Thermal radiation ≤ 600 W/s²

Wind speed ≤ 30 m/s

Rain Drippings

A.2.2 Waterproof Requirements

The equipment is usually stored in a room, where:

There is no water on the ground. No water (such as water from auto fire-fighting devices and air-conditioner) may

endanger the package.

If the equipment has to be placed outdoor, make sure that:

The package is intact. Waterproof measures are applied to prevent rain from entering the package. There is no water on the ground and no water may enter the package. The package is not exposed to direct sunshine.

A.2.3 Biological Requirements

The storage environment of NodeB should meet the biological requirements listed below.

No fungus or mildew may grow. There are no rodent animals such as rats.

A.2.4 Air Cleanness Requirements

The storage environment of NodeB should meet the air cleanness requirements listed below.

There is no explosive, conductive, magneto-conductive or corrosive dust in the air.

The density of mechanically active materials complies with Table A-2.

Table A-2 Storage requirements for physically active materials

Physically active material Unit Density

Suspending dust mg/m³ ≤ 5.00

Falling dust mg/m²h ≤ 20.0



A-3


Sand mg/m³ ≤ 300

Note:

Suspending dust: diameter ≤ 75 µm

Falling dust: 75 µm ≤ diameter ≤ 150 µm

Sand: 150 µm ≤ diameter ≤ 1,000 µm

The density of chemically active materials must comply with the requirements listed in Table A-3.

Table A-3 Storage requirements chemically active materials

Chemically active material Unit Density

SO2 mg/m³ ≤ 0.30

H2S mg/m³ ≤ 0.10

NO2 mg/m³ ≤ 0.50

NH3 mg/m³ ≤ 1.00

Cl2 mg/m³ ≤ 0.10

HCl mg/m³ ≤ 0.10

HF mg/m³ ≤ 0.01

O3 mg/m³ ≤ 0.05

A.2.5 Mechanical Stress Requirements

The storage environment of NodeB should meet the mechanical stress requirements listed in Table A-4.

Table A-4 Mechanical stress requirements for storage environment

Item Sub-item Range

Offset ≤ 7.0 mm –

Accelerated speed – ≤ 20.0 m/s² Sinusoidal vibration

Frequency range 2 Hz to 9 Hz 9Hz to 200 Hz

Unsteady impact Impact response spectrum II ≤ 250 m/s²



A-4

Item Sub-item Range

Static payload ≤ 5 kPa

Note:

Impact response spectrum: The maximum acceleration response curve generated by the equipment under specified impact excitation. Impact response spectrum II means that the duration of semi-sine impact response spectrum is 6 ms.

Static payload: The capability of the equipment in package to bear the pressure from the top in normal pile-up method.

A.3 Transportation Environment

The following lists the climate, waterproof, biological, air cleanness, and mechanical stress requirements of the equipment during transportation.


The transportation environment of NodeB should meet the climate requirements listed in Table A-5.

Table A-5 Climate requirements for equipment transportation

Item Range



Temperature: –40°C to +70°C



Solar radiation ≤ 1,120 W/s²

Thermal radiation ≤ 600 W/s²


A.3.2 Waterproof Requirements

The transportation environment of NodeB should meet the waterproof requirements listed below.

The package is intact.



A-5

Waterproof measures are applied to prevent rain from entering the package. There is no water on the transportation vehicle.


The transportation environment of NodeB should meet the biological requirements listed below.



The transportation environment of NodeB should meet the air cleanness requirements listed below.



Table A-6 Transportation requirements for physically active materials


Suspending dust mg/m³ No requirement

Falling dust mg/m²·h ≤ 3.0

Sand mg/m³ ≤ 100

Note:



Sand: 150 µm ≤ diameter ≤ 1,000 µm


Table A-7 Transportation requirements for chemically active materials


SO2 mg/m³ ≤ 0.30

H2S mg/m³ ≤ 0.10

NO2 mg/m³ ≤ 0.50

NH3 mg/m³ ≤ 1.00



A-6


Cl2 mg/m³ ≤ 0.10

HCl mg/m³ ≤ 0.10

HF mg/m³ ≤ 0.01

O3 mg/m³ ≤ 0.05


The transportation environment of NodeB should meet the mechanical stress requirements listed in Table A-8.

Table A-8 Mechanical stress requirements for transportation

Item Sub-item Range

Offset ≤ 7.5 mm – –

Accelerated speed – ≤ 20.0 m/s² ≤ 40.0 m/s² Sinusoidal

vibration

Frequency range 2Hz to 9 Hz 9Hz to 200 Hz 200 Hz to 500

Hz

Spectrum density of accelerated speed

10 m²/s³ 3 m²/s³ 1 m²/s³ Random vibration

Frequency range 2 Hz to 9 Hz

9 Hz to 200 Hz

200 Hz to 500 Hz

Impact response spectrum II ≤ 300 m/s² Unsteady

impact Static payload ≤ 10 kPa

Note:

1) Impact response spectrum: The maximum acceleration response curve generated by the equipment under the specified impact excitation. Impact response spectrum II refers to the semi sinusoidal impact response spectrum whose duration is 6 ms.

2) Static payload: The capability of the equipment in package to bear the pressure from the top in normal pile-up method.



A-7

A.4 Operation Environment

The following lists the climate, waterproof, biological, air cleanness, and mechanical stress requirements of the equipment during operation.


The operation environment of NodeB should meet the climate requirements listed in Table A-9.

Table A-9 Operation requirements for climax factors

Item Range



Temperature –5°C to +40°C



Solar radiation ≤ 700 W/m²

Thermal radiation ≤ 600 W/m²



The operation environment of NodeB should meet the biological requirements listed below.



The operation environment of NodeB should meet the air cleanness requirements listed below.





A-8

Table A-10 Operation requirements for physically active materials


Suspending dust mg/m³ ≤ 0.01

Falling dust mg/m²h ≤ 10

Sand mg/m³ No obvious sand

Note:



Sand: 150 µm ≤ diameter


Table A-11 Operation requirements for chemically active materials


SO2 mg/m³ ≤ 1.5

H2S mg/m³ ≤ 0.03

NH3 mg/m³ ≤ 0.15

Cl2 mg/m³ ≤ 0.3


Table A-12 lists the mechanical stress that the equipment can endure during operation.

Table A-12 Mechanical stress requirements during equipment operation

Item Sub-item Range

Offset ≤ 3.5 mm –

Accelerated speed – ≤ 10.0 m/s² Sinusoidal vibration

Frequency range 2 Hz to 9 Hz 9 Hz to 200 Hz

Impact response spectrum II ≤ 100 m/s²

Unsteady impact Static payload 0



A-9

Item Sub-item Range

Note:

Impact response spectrum: The maximum acceleration response curve generated by the equipment under specified impact excitation. Impact response spectrum II means that the duration of semi-sine impact response spectrum is 6 ms.

Static payload: The capability of the equipment in package to bear the pressure from the top in normal pile-up method.

Technical Manual – System Description BTS3812E WCDMA NodeB Index


i-1

Index

A acoustic noise, 7-7

active/standby mode, 6-1

air cleanness requirement

for operation, A-7

for storage, A-2

for transportation, A-5

alarm management, 5-2

antenna & feeder subsystem, 3-6

appearance of cabinet, 3-1

B baseband subsystem, 3-4

biological requirement

for operation, A-7

for storage, A-2


C capacity, 2-1, 7-2

climate requirement

for operation, A-7

for storage, A-1


clock synchronization, 2-2

combined service, 4-2

configuration features, 3-7

configuration type, 3-6

control subsystem, 3-5

cooling system, 3-6

coverage capability, 2-1

CS domain service, 4-1

D data check, 6-3

data configuration, 5-2

diversity

receive diversity, 4-3

transmit diversity, 4-3

E EMC(electromagnetic compatibility), 7-7

engineering indice

acoustic noise, 7-7

electromagnetic compatibility, 7-7

external alarm interface, 7-6

mechanical dimension, 7-3

operation environment requirement, 7-6

power consumption, 7-4

power requirement, 7-3

quakeproof protection, 7-7

storage environment requirement, 7-7

transmission, 7-5

transportation requirement, 7-7

weight, 7-3

enhancement function

HSDPA, 2-2

RET antenna, 2-2

environment requirement

operation environment, A-7

environment requirement, A-1

storage environment, A-1

transportation environment, A-4

evolution, 2-3

excitation control design of MTRU, 6-2

external alarm interface, 7-6

F function architecture, 3-3

H handover, 4-2

hard handover, 4-3



i-2

soft handover, 4-3

softer handover, 4-3

hard handover, 4-3

hardware reliability, 6-1

excitation control design of MTRU, 6-2

power supply design, 6-2

prevention against miatakenly inserted board, 6-1

redundancy design of fan box, 6-2

speed control design of fan box, 6-2

temperature control design of MTRU, 6-2

HSDPA, 2-2

I installation, 2-3, 8-1

L license function, 4-4

location service, 4-2

M maintenance management, 5-3

mechanical dimension, 7-3

mechanical stress requirement

for operation, A-8

for storage, A-3


N networking capability, 2-1

NodeB series, 1-2

O O&M functions

alarm management, 5-2

data configuration, 5-2

maintenance management, 5-3

security management, 5-2

O&M system, 5-1

operation environment

air cleanness requirement, A-7

biological requirement, A-7

climate requirement, A-7

mechanical stress requirement, A-8

operation environment requirement, 7-6

P physical architecture

appearance, 3-1

function architecture, 3-3

power consumption, 7-4

power requirement, 7-3

power supply design, 6-2

prevention against mistakenly inserted board, 6-1

PS domain service, 4-2

Q quakeproof protection, 7-7

R radio performance

capacity, 7-2

receiving indice, 7-2

transmitting indice, 7-1

working frequency band, 7-1

receive diversity, 4-3

receiving indice, 7-2

redundancy, 6-1

regular check, 6-2

RET antenna, 2-2

RF subsystem, 3-5

S saving operation, 6-3

security management, 5-2

service

combined service, 4-2

CS domain service, 4-1

PS domain service, 4-2

soft handover, 4-3

softer handover, 4-3

software reliability, 6-2

data check, 6-3



i-3

regular check, 6-2

saving operation, 6-3

storage protection, 6-3

task monitoring, 6-3

storage environment

air cleanness requirement, A-2, A-3



waterproof requirement, A-2

storage environment requirement, 7-7

storage protection, 6-3

subsystem

antenna & feeder subsystem, 3-6

baseband subsystem, 3-4

control subsystem, 3-5

cooling system, 3-6

RF subsystem, 3-5

transport subsystem, 3-4

system architecture, 3-1

system maintainability, 6-1

system reliability, 6-1

active/standby mode, 6-1

redundancy, 6-1

system maintainability, 6-1

T task monitoring, 6-3

technical specification

radio performance, 7-1

temperature control design of MTRU, 6-2

transmission

2G cascading interface, 7-5

Other external interface, 7-5

transmission interface, 7-5

transmit diversity, 4-3

transmitting indice, 7-1

transport subsystem, 3-4

transportation environment

air cleanness requirement, A-5



mechanical stress requirement, A-6

waterproof requirement, A-4

transportation requirement, 7-7

W waterproof requirement

for storage, A-2


WCDMA radio access network architecture, 1-1

weight, 7-3

working frequency band, 7-1

i.

Technical Description BTS3812E.pdf

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Transcript of Technical Description BTS3812E.pdf