dbs3800 product description(v100_21)(pdf)-cn
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DBS3800
V100
Product Description
Issue 21
Date 2014-03-22
HUAWEI TECHNOLOGIES CO., LTD.
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Copyright © Huawei Technologies Co., Ltd. 2014. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior written
consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and the
customer. All or part of the products, services and features described in this document may not be within the
purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,
and recommendations in this document are provided "AS IS" without warranties, guarantees or representations
of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a 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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About This Document
Purpose
This document describes the software and hardware structure, subsystems, configuration types,
clock synchronization, and topology of the DBS3800. This document also lists the technical
specifications of the DBS3800 such as the capacity specifications, RF specifications,engineering specifications, surge protection specifications, and physical interface specifications.
Product Version
The following table lists the product version related to this document.
Product Name Product Version
DBS3800 V100R008
V100R009
V100R010
V100R011
V100R012
V100R013
V100R014
V100R015
Intended Audience
This document is intended for:
l Network planners
l Field engineers
l System engineers
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Organization
1 Changes in the DBS3800 Product Description
This describes the changes in the DBS3800 Product Description.
2 DBS3800 Product Family
This describes the function modules and auxiliary facilities in the DBS3800 product family.
3 Introduction to the DBS3800
The DBS3800 is developed by Huawei Technologies Co., Ltd and is a distributed NodeB in
compliance with the protocols of 3GPP R99/R4/R5/R6/R7/R8/R9 FDD.
4 Topologies of the DBS3800
This describes the topologies of the NodeB, which consists of the networking on the Iub interface
and networking on the CPRI interface.
5 Clock Synchronization Modes of the DBS3800
The DBS3800 supports five clock synchronization modes: line clock, GPS clock, BITS clock,
IP clock, and internal clock.
6 DBS3800 Hardware Configuration
This chapter describes the types of DBS3800 hardware configuration and the configuration
modes adapted for different scenarios.
7 Operation and Maintenance of the DBS3800
The software, hardware, and configuration of the DBS3800 is managed, monitored, and
maintained through the DBS3800 Operation and Maintenance (OM). Various modes and
platforms are available for the DBS3800 OM and meet different maintenance requirements.
8 DBS3800 Specifications
This part describes the specifications for the DBS3800 such as capacity specifications, RF
specifications, engineering specifications, surge protection specifications, physical interface
specifications, compliance standards, and environment conditions.
ConventionsSymbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol Description
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
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Symbol Description
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.
NOTICE is used to address practices not related to personal
injury.
Calls attention to important information, best practices and
tips.
NOTE is used to address information not related to personal
injury, equipment damage, and environment deterioration.
General Conventions
The general conventions that may be found in this document are defined as follows.
Convention Description
Times New Roman Normal paragraphs are in Times New Roman.
Boldface Names of files, directories, folders, and users are in
boldface. For example, log in as user root.
Italic Book titles are in italics.
Courier New Examples of information displayed on the screen are in
Courier New.
Command Conventions
The command conventions that may be found in this document are defined as follows.
Convention Description
Boldface The keywords of a command line are in boldface.
Italic Command arguments are in italics.
[ ] Items (keywords or arguments) in brackets [ ] are optional.
{ x | y | ... } Optional items are grouped in braces and separated by
vertical bars. One item is selected.
[ x | y | ... ] Optional items are grouped in brackets and separated by
vertical bars. One item is selected or no item is selected.
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Convention Description
{ x | y | ... }* Optional items are grouped in braces and separated by
vertical bars. A minimum of one item or a maximum of all
items can be selected.
[ x | y | ... ]* Optional items are grouped in brackets and separated by
vertical bars. Several items or no item can be selected.
GUI Conventions
The GUI conventions that may be found in this document are defined as follows.
Convention Description
Boldface Buttons, menus, parameters, tabs, window, and dialog titles
are in boldface. For example, click OK .
> Multi-level menus are in boldface and separated by the ">"
signs. For example, choose File > Create > Folder.
Keyboard Operations
The keyboard operations that may be found in this document are defined as follows.
Format Description
Key Press the key. For example, press Enter and press Tab.
Key 1+Key 2 Press the keys concurrently. For example, pressing Ctrl+Alt
+A means the three keys should be pressed concurrently.
Key 1, Key 2 Press the keys in turn. For example, pressing Alt, A means
the two keys should be pressed in turn.
Mouse Operations
The mouse operations that may be found in this document are defined as follows.
Action Description
Click Select and release the primary mouse button without moving
the pointer.
Double-click Press the primary mouse button twice continuously and
quickly without moving the pointer.
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Action Description
Drag Press and hold the primary mouse button and move the
pointer to a certain position.
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Contents
About This Document.....................................................................................................................ii
1 Changes in the DBS3800 Product Description.........................................................................1
2 DBS3800 Product Family..............................................................................................................8
3 Introduction to the DBS3800.....................................................................................................12
3.1 System Architecture of the DBS3800..........................................................................................................................13
3.2 Logical Structure of the DBS3800...............................................................................................................................13
3.2.1 Logical Structure of the BBU3806............................................................................................................................13
3.2.2 Logical Structure of the BBU3806C.........................................................................................................................15
3.2.3 Logical Structure of the RRU....................................................................................................................................17
3.3 Software Structure of the DBS3800.............................................................................................................................19
4 Topolog ies of the DBS3800........................................................................................................21
4.1 Network Topologies on the Iub Interface.....................................................................................................................22
4.1.1 Star Topology ...........................................................................................................................................................22
4.1.2 Chain Topology ........................................................................................................................................................23
4.1.3 Tree To pology ..................................................................................................................... .....................................24
4.2 Topologies on the CPRI Interface................................................................................................................................25
5 Clock Synchronization Modes of the DBS3800.....................................................................26
6 DBS3800 Hardware Configuration..........................................................................................28
6.1 2-Way RX Diversity Configurations............................................................................................................................29
6.2 4-Way RX Diversity Confiturations.............................................................................................................................346.3 TX Diversity Configurations........................................................................................................................................38
6.4 2 x 2 MIMO Configurations.........................................................................................................................................41
6.5 2T4R Configurations....................................................................................................................................................44
6.6 DC-HSDPA + MIMO Configurations..........................................................................................................................47
7 Operation and Maintenance of the DBS3800.........................................................................51
7.1 OM Modes of the DBS3800.........................................................................................................................................52
7.2 OM Functions of the DBS3800....................................................................................................................................53
8 DBS3800 Specifications .............................................................................................................55
8.1 Capacity Specifications of the DBS3800.....................................................................................................................56
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8.2 RF Specifications of the DBS3800...............................................................................................................................57
8.3 Engineering Specifications for the DBS3800...............................................................................................................62
8.3.1 Engineering Specifications of the BBU3806.............................................................................................................62
8.3.2 Engineering Specifications of the BBU3806C..........................................................................................................62
8.3.3 Engineering Specifications for the RRU3801C.........................................................................................................63
8.3.4 Engineering Specifications of the RRU3804/RRU3801E/RRU3806.......................................................................64
8.3.5 Engineering Specifications of the RRU3824/RRU3826...........................................................................................64
8.3.6 Engineering Specifications of the RRU3936.............................................................................................................65
8.3.7 Engineering Specifications of the RRU3808.............................................................................................................65
8.4 Surge Protection Specifications for Ports on the DBS3800.........................................................................................66
8.5 Ports on the DBS3800..................................................................................................................................................69
8.5.1 Ports on the BBU3806...............................................................................................................................................69
8.5.2 Ports on the BBU3806C............................................................................................................................................71
8.5.3 Ports on the RRU3801C............................................................................................................................................73
8.5.4 Ports on the RRU3804/RRU3801E/RRU3806/RRU3824/RRU3826.......................................................................75
8.5.5 Ports on the RRU3936...............................................................................................................................................76
8.5.6 Ports on the RRU3808...............................................................................................................................................77
8.6 Compliance Standards of the DBS3800.......................................................................................................................78
8.7 Environment Conditions of the DBS3800....................................................................................................................79
8.7.1 Working Environment Requirements of the DBS3800.............................................................................................79
8.7.2 Transportation Requirements of the DBS3800.........................................................................................................82
8.7.3 Storage Requirements of the DBS3800.....................................................................................................................84
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1 Changes in the DBS3800 Product
Description
This describes the changes in the DBS3800 Product Description.
21 (2014-03-22)
This is the twentieth commercial release.
Compared with issue 20 (2013-01-30), this issue includes the following new topics:
l 8.3.6 Engineering Specifications of the RRU3936
l 8.5.5 Ports on the RRU3936
Compared with issue 20 (2013-01-30), this issue incorporates the following changes:
Topic Change Description
6 DBS3800 Hardware Configuration Added the information about RRU3936.
8.1 Capacity Specifications of the DBS3800
8.2 RF Specifications of the DBS3800
8.4 Surge Protection Specifications for
Ports on the DBS3800
Compared with issue 20 (2013-01-30), this issue does not exclude any topic.
20 (2013-01-30)
This is the nineteenth commercial release.
Compared with issue 19 (2012-09-10), this issue does not include any new topic.
Compared with issue 19 (2012-09-10), this issue incorporates the following changes:
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Topic Change Description
About This Document V100R015 is added to the application scope
of this document.
Compared with issue 19 (2012-09-10), this issue does not exclude any topic.
19 (2012-09-10)
This is the eighteenth commercial release.
Compared with issue 18 (2012-02-10), .
Compared with issue 18 (2012-02-10), this issue incorporates the following changes:
Topic Change Description
2 DBS3800 Product Family RRU3824 and RRU3826 are added to the
DBS3800 product family.
3.2.3 Logical Structure of the RRU RRU3824 and RRU3826 are added to the
logical structure.
6 DBS3800 Hardware Configuration RRU3824 and RRU3826 are added to the
hardware configuration.
8 DBS3800 Specifications RRU3824 and RRU3826 are added to the
DBS3800 specifications.
Compared with issue 18 (2012-02-10), this issue does not exclude any topic.
18 (2012-02-10)
This is the seventeenth commercial release.
Compared with issue 17 (2011-06-15), this issue does not include any new topic.
Compared with issue 17 (2011-06-15), this issue incorporates the following changes:
Topic Change Description
About This Document V100R014 is added to the application scope
of this document.
5 Clock Synchronization Modes of the
DBS3800
Added the restrictions on the line clock
configuration for BBU interconnection
scenarios.
Compared with issue 16 (2011-01-15), this issue does not exclude any topic.
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17 (2011-06-15)
This is the sixteenth commercial release.
Compared with issue 16 (2011-01-15), this issue does not include any new topic.
Compared with issue 16 (2011-01-15), this issue incorporates the following changes:
Topic Change Description
8.2 RF Specifications of the DBS3800 The Working frequency bands of the
RRU3801E is modified.
Compared with issue 16 (2011-01-15), this issue does not exclude any topic.
16 (2011-01-15)
This is the fifteenth commercial release.
Compared with issue 15 (2010-12-30), this issue includes the following new topic:
l 6.6 DC-HSDPA + MIMO Configurations
Compared with issue 15 (2010-12-30), this issue incorporates the following changes:
Topic Change Description
About This Document V100R013 is added to the application scope
of this document.
Compared with issue 15 (2010-12-30), this issue does not exclude any topic.
15 (2010-12-30)
This is the fourteenth commercial release.
Compared with issue 14 (2010-06-30), this issue does not include any new topic.
Compared with issue 14 (2010-06-30), this issue incorporates the following changes:
Topic Change Description
DDF The description of DDF is modified.
8.2 RF Specifications of the DBS3800 The receiver sensitivity of the DBS3800 is
changed.
8.5.6 Ports on the RRU3808 The description of ports on the RRU3808 is
modified.
Compared with issue 14 (2010-06-30), this issue does not exclude any topic.
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14 (2010-06-30)
This is the thirteenth commercial release.
Compared with issue 13 (2010-06-05), this issue does not include any new topic.
Compared with issue 13 (2010-06-05), this issue incorporates the following changes:
l The details of RRU3806 are added.
l The working frequency bands of RRU3808 is modified.
Compared with issue 13 (2010-06-05), this issue does not exclude any topic.
13 (2010-06-05)
This is the twelfth commercial release.
Compared with issue 12 (2010-03-05), this issue does not include any new topic.
Compared with issue 12 (2010-03-05), this issue incorporates the following changes:
l The details of hardware configurations are modified.
Compared with issue 12 (2010-03-05), this issue does not exclude any topic.
12 (2010-03-05)
This is the eleventh commercial release.
Compared with issue 11 (2009-12-10), this issue does not include any new topic.
Compared with issue 11 (2009-12-10), this issue incorporates the following changes:
l The testing problems are solved.
Compared with issue 11 (2009-12-10), this issue does not exclude any topic.
11 (2009-12-10)
This is the tenth commercial release.
Compared with issue 10 (2009-09-25), this issue does not include any new topic.
Compared with issue 10 (2009-09-25), this issue incorporates the following changes:
l The details of EBBCd is added.
l The description of the channelized optical sub-board is deleted.
Compared with issue 10 (2009-09-25), this issue does not exclude any topic.
10 (2009-09-25)
This is the ninth commercial release.
Compared with issue 09 (2009-06-30), this issue does not include any new topic.
Compared with issue 09 (2009-06-30), this issue incorporates the following changes:
l The details of RRU3808 is added.
Compared with issue 09 (2009-06-30), this issue does not exclude any topic.
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09 (2009-06-30)
This is the eighth commercial release.
Compared with issue 08 (2009-03-31), this issue does not include any new topic.
Compared with issue 08 (2009-03-31), this issue incorporates the following changes:
l The details of RRU3801E is added.
Compared with issue 08 (2009-03-31), this issue does not exclude any topic.
08 (2009-03-31)
This is the seventh commercial release.
Compared with issue 07 (2009-01-23), this issue does not include any new topic.
Compared with issue 07 (2009-01-23), this issue incorporates the following changes:
l The testing problems are solved.
Compared with issue 07 (2009-01-23), this issue does not exclude any topic.
07 (2009-01-23)
This is the sixth commercial release.
Compared with issue 06 (2008-10-15), this issue does not include any new topic.
Compared with issue 06 (2008-10-15), this issue incorporates the following changes:
l The testing problems are solved.
Compared with issue 06 (2008-10-15), this issue does not exclude any topic.
06 (2008-10-15)
This is the fifth commercial release.
Compared with issue 05 (2008-03-17), this issue does not include any new topic.
Compared with issue 05 (2008-03-17), this issue incorporates the following changes:
Topic Change Description
8.1 Capacity Specifications of the DBS3800 The capacity specifications of the DBS3800are modified.
8.3.2 Engineering Specifications of the
BBU3806C
The engineering specifications of the
BBU3806C are modified.
Compared with issue 05 (2008-03-17), this issue does not exclude any topic.
05 (2008-03-17)
This is the fourth commercial release.
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Compared with issue 04 (2008-01-18), this issue does not include any new topic.
Compared with issue 04 (2008-01-18), this issue incorporates the following changes:
Topic Change Description
8.1 Capacity Specifications of the DBS3800 The capacity specifications of the DBS3800
are modified.
8.2 RF Specifications of the DBS3800 The RF specifications of the DBS3800 are
modified.
Compared with issue 04 (2008-01-18), this issue does not exclude any topic.
04 (2008-01-18)This is the third commercial release.
Compared with issue 03 (2008-01-15), this issue does not include any new topic.
Compared with issue 03 (2008-01-15), this issue incorporates the following changes:
Topic Change Description
2 DBS3800 Product Family A function module, RRU3804, is added to the
DBS3800 product family.
Compared with issue 03 (2008-01-15), this issue does not exclude any topic.
03 (2008-01-15)
This is the second commercial release.
Compared with issue 02 (2007-09-30), this issue does not include any new topic.
Compared with issue 02 (2007-09-30), this issue incorporates the following changes:
Topic Change Description
8.7.1 Working Environment
Requirements of the DBS3800
The Climatic requirements for the operation
of the DBS3800 are modified.
Compared with issue 02 (2007-09-30), this issue does not exclude any topic.
02 (2007-09-30)
This is the first commercial release.
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01 (2007-08-25)
This is the field trial release.
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2 DBS3800 Product Family
This describes the function modules and auxiliary facilities in the DBS3800 product family.
Function Modules of the DBS3800
The BBU3806, BBU3806C, RRU3801C, RRU3804, RRU3801E, RRU3808, RRU3806,
RRU3824 and RRU3826 are referred to as the function modules of the DBS3800.
Figure 2-1 Function modules of the DBS3800
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FunctionModule
Description
BBU3806 Indoor baseband unit that processes baseband signals
BBU3806C Outdoor baseband unit that processes baseband signals
RRU3801C Outdoor remote radio unit. It is responsible for signal processing and
transmission between the antenna system and the BBU.
RRU3804 Outdoor remote radio unit. It is responsible for signal processing and
transmission between the antenna system and the BBU.
RRU3801E Outdoor remote radio unit. It is responsible for signal processing and
transmission between the antenna system and the BBU.
RRU3808 Outdoor remote radio unit. It is responsible for signal processing andtransmission between the antenna system and the BBU.
RRU3806 Outdoor remote radio unit. It is responsible for signal processing and
transmission between the antenna system and the BBU.
RRU3824 Outdoor remote radio unit. It is responsible for signal processing and
transmission between the antenna system and the BBU.
RRU3826 Outdoor remote radio unit. It is responsible for signal processing and
transmission between the antenna system and the BBU.
The BBU3806, BBU3806C, and RRU3801C can be combined into a BTS3803 or BTS3803C.
l BTS3803: consists of one BBU3806, one RRU3801C, and the power system. It processes
RF and baseband signals and applies to indoor environment.
l BTS3803C: consists of one BBU3806C and one RRU3801Cs. It processes RF and
baseband signals and applies to outdoor environment.
NOTE
V100R014 and later versions do not support the BBU3806C.
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Auxiliary Facilities of the DBS3800
AuxiliaryFacility
Description
APM30 Auxiliary power backup system for outdoor application. The APM30 provides the following functions:
l -48 V DC power output
l Temperature control
l 2 U or 7 U space for your devices, depending on the configuration of
batteries
For detailed functions of the APM30, refer to the APM30 User Guide.
APM100 Auxiliary power backup system for outdoor application. The APM100
provides the following functions:
l -48 V DC power output
l A maximum of 60 A output
l 4 U space for your devices
For detailed functions of the APM100, refer to the APM100 User
Guide.
AFB Auxiliary facility box for outdoor application. The AFB provides the
following functions:
l Four AC power outputs and four DC power outputs
l AC surge protection
l Temperature control
l Alarm reporting
l 5 U space for your devices
For detailed functions of the AFB, refer to the AFB User Guide.
OFB Outdoor facility box for DC power distribution and transmission. The
OFB provides the following functions:
l 11 U space for your devices
l Heat dissipation
l Alarm reporting
For detailed functions of the OFB, refer to the OFB User Guide.
SPD40R Outdoor AC surge protection device. The SPD40R provides the
following functions:
l AC surge protection
l Four AC power inputs
l Remote fault alarm reporting
l Local fault alarm reporting
For detailed functions of the SPD40R, refer to the SPD40R User
Guide.
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AuxiliaryFacility
Description
DPD32-1-6 Indoor facility for DC power distribution. The DPD32-1-6 provides the
following functions:l One DC power input at a maximum current of 32 A
l Six DC power outputs
For detailed functions of the DPD32-1-6, refer to the DPD32-1-6 User
Guide.
EMUA Environment monitoring unit. The EMUA provides the following
functions:
l Environment monitoring
l Intrusion monitoring
lPower distribution monitoring
For detailed functions of the EMUA, refer to the EMUA User Guide.
Surge Protection
Box for Coaxial
(SPBC)
A small box for indoor application, which provides surge protection for
the coaxial cables of the BBU3806.
For detailed functions of the SPBC, refer to SPBC.
Signal Lightning
Protection Unit
(SLPU)
The SLPU protects the E1/T1 signals and Ethernet signals over the
BBU3806 from lightning surge.
For detailed functions of the SLPU, refer to SLPU.
DDF The DDF performs the following functions:
l Transfers signals through the trunk cables between the
communication devices and the transmission devices.
l Transfers signals through the alarm cables between the
communication devices and the external alarm devices.
For detailed functions of the DDF, refer to DDF.
Indoor
centralized
mounting rack
The indoor centralized mounting rack provides the following functions:
l 10 U space for 19-inch devices
l Space for three RRUs
For detailed functions of the indoor centralized mounting rack, refer to
the Indoor Centralized Mounting Rack Installation Guide.
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3.1 System Architecture of the DBS3800
The function modules in the DBS3800 system enable different WCDMA coverage solutions to
meet the requirements in different scenarios.
Figure 3-1 shows the system architecture of the DBS3800 by taking BBU3806 as an example.
Figure 3-1 System architecture of the DBS3800
l Optical cables are used to connect the BBU3806/BBU3806C to the RRU.
l A DBS3800 system can be maintained on the Local Maintenance Terminal (LMT) through
the BBU3806/BBU3806C.
l The antenna system receives uplink (UL) signals and transmits downlink (DL) signals.
3.2 Logical Structure of the DBS3800
This describes the logical structure of the BBU3806, BBU3806C, and RRU3801C.
3.2.1 Logical Structure of the BBU3806
The BBU3806 consists of the transport subsystem, baseband subsystem, control subsystem,
interface module, and power module.
Figure 3-2 shows the logical structure of the BBU3806.
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Figure 3-2 Logical structure of the BBU3806
Transport Subsystem
The transport subsystem performs the following functions:
l Provides physical interfaces between the BBU3806 and the RNC for data communication
l Provides OM channels between the BBU3806 and the LMT or between the BBU3806 and
the M2000
Baseband Subsystem
The baseband subsystem processes uplink and downlink baseband data. The functions of the
baseband subsystem are performed by the following modules:
l Uplink baseband data processing module: consists of the demodulation unit and decoding
unit. In this module, uplink baseband data is processed into despreading soft decision
symbols after access channel searching, access channel demodulation, and dedicated
channel demodulation. The symbols are then sent to the RNC through the transport
subsystem after decoding and Frame Protocol (FP) processing.
l Downlink baseband data processing module: consists of the modulation unit and theencoding unit. The module receives the service data from the transport subsystem, and
implements FP processing, encoding, transport channel mapping, physical channel
generating, framing, spreading, modulation, and power control combination. Then the data
is finally sent to the interface module.
Control Subsystem
It manages the entire distributed NodeB. The control subsystem performs OM, processes
signaling, and provides the system clock.
l The OM module performs functions such as equipment management, configuration
management, alarm management, software management, and commissioning management.
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l The signaling processor performs functions such as NBAP signaling processing, ALCAP
processing, SCTP processing, and logical resource management.
l The clock module provides clock for the DBS3800 and supports the following clocks:
– Iub line clock (extracted from E1 lines, optical ports, and FE lines). V100R011 and later
versions support clock extraction from FE lines.
– GPS clock
– External clock (for example, BITS clock)
– IP clock, which is supported in V100R009 and later versions.
Interface Module
The interface module performs the following functions:
l Each CPRI port of the BBU3806 adopts the Enhanced Small Form-Factor Pluggable
(ESFP) optical ports, and transports the uplink and downlink baseband data of the RRU/ pRRU3801/RHUB3808.
l Each BBU3806 provides an EIa port to share synchronization data, baseband data, power
control data, and transmission data between BBU3806s.
Power Module
The power module supplies power to BBU3806.
3.2.2 Logical Structure of the BBU3806C
The BBU3806C consists of the transport subsystem, baseband subsystem, control subsystem,
interface module, and power module.
Figure 3-3 shows the logical structure of the BBU3806C.
Figure 3-3 Logical structure of the BBU3806C
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Transport Subsystem
The functions of the transport subsystem are as follows:
l Providing physical interfaces between the BBU3806C and the RNC for data
communication
l Providing OM channels between the BBU3806C and the LMT or between the BBU3806C
and the M2000
Baseband Subsystem
The baseband subsystem processes uplink and downlink baseband data. The functions of the
baseband subsystem are performed by the following modules:
l Uplink baseband data processing module: consists of the demodulation unit and the
decoding unit. In this module, uplink baseband data is processed into despreading soft
decision symbols after access channel searching, access channel demodulation, anddedicated channel demodulation. The symbols are then sent to the RNC through the
transport subsystem after decoding and Frame Protocol (FP) processing.
l Downlink baseband data processing module: consists of the modulation unit and the coding
unit. The module receives the service data from the transport subsystem, and implements
FP processing, encoding, transport channel mapping, physical channel generating, framing,
spreading, modulation, and power control combination. Then the data are finally sent to
the interface module.
Control Subsystem
The control subsystem manages the entire distributed NodeB. The subsystem performs OM, processes signaling, and provides the system clock.
l The OM module has functions such as equipment management, configuration management,
alarm management, software management, and commissioning management.
l The signaling processor has functions such as NBAP signaling processing, ALCAP
processing, SCTP processing, and logical resource management.
l The clock module provides clock for the DBS3800 and supports the following clocks:
– Iub line clock (extracted from E1 lines, optical ports, and FE lines). V100R011 and later
versions support clock extraction from FE lines.
– GPS clock
– External clock (for example, BITS clock)
– IP clock, which is supported in V100R009 and later versions.
Interface Module
Each CPRI port of the BBU3806C adopts the Enhanced Small Form-Factor Pluggable (ESFP)
connector, and transports the uplink and downlink baseband data of the RRU.
Power Module
The power module supplies power to the BBU3806C.
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3.2.3 Logical Structure of the RRU
The RRU consists of the interface module, TRX, Power Amplifier (PA), filter, Low Noise
Amplifier (LNA), and power module.
Figure 3-4 shows the logical structure of the RRU3801C, RRU3804, RRU3801E, RRU3806,
RRU3824, or RRU3826.
Figure 3-4 Logical structure of the RRU3801C, RRU3804, RRU3801E, RRU3806, RRU3824,
or RRU3826
Figure 3-5 shows the logical structure of the RRU3808.
Figure 3-5 Logical structure of the RRU3808
High Speed Interface Module
The functions of the high speed interface module are as follows:
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l Receiving the downlink baseband data from the upper-level equipment such as a BBU or
a macro NodeB
l Transmitting the uplink baseband data to the upper-level equipment such as a BBU or a
macro NodeB.
l Forwarding data of the cascaded RRU.
TRX
The TRX of RRU3801C, RRU3804, RRU3801E, RRU3806, RRU3824, or RRU3826 has two
uplink RX channels and one downlink TX channel. The TRX of RRU3808 has two uplink RX
channels and two downlink TX channels.
The functions of uplink RX channels are as follows:
l Down-conversion of the RX signals to IF signals
l Amplification of the IF signals
l Analog-to-digital conversion
l Digital down-conversion
l Matched filtering
l Digital Automatic Gain Control (DAGC)
The functions of the downlink TX channel are as follows:
l Shaping and filtering of downlink spreading signals
l Digital-to-analog conversion
l Up-conversion of RF signals to the transmitting band
PA
The PA amplifies RF signals of low power. The RF signals are from the TRX.
Filter
The filter of the RRU3801C, RRU3804, RRU3801E, RRU3806, RRU3824, or RRU3826
consists of a duplex filter and an RX filter.
The filter of the RRU3808 consists of two duplex filters.
The filter performs the following functions:
l The duplex filter multiplexes one RX and one TX signals over RF channels so that they
can share one antenna channel. In addition, it filters RX and TX signals.
l The RX filter filters one RX signal.
LNA
The LNA amplifies the signals received from antennas.
Power Module
The power module supplies power to RRU.
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3.3 Software Structure of the DBS3800
The DBS3800 software consists of the platform software, signaling protocol software, operation
and maintenance software (OM software), and data center. The latter three are application
software while the platform software serves as a support for the others.
Figure 3-6 shows the software structure of the DBS3800.
Figure 3-6 Software structure of the DBS3800
Platform SoftwareThe platform software provides the support for the signaling protocol software, OM software,
and data center. The functions of the platform software are as follows:
l Timing management
l Task management
l Memory management
l Module management
l Managing the loading and running of the application software
l Providing message forwarding mechanisms between modules
l Tracing massages between modules for troubleshooting
Signaling Protocol Software
The functions of the signaling protocol software are as follows:
l Processing the radio network layer protocol: The radio network layer protocol mainly
performs functions such as configuring the signaling data, processing the NBAP protocol,
processing the RRC protocol over BCH, processing the outer loop power control frame and
wireless parameter update frame in the FP protocol, mapping and managing the internal
physical resources and logical resources of the NodeB.
l Processing the trans port network layer protocol: The transport network layer protocol
mainly performs transport data configuration, ALCAP processing, and SAAL processing.
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l Managing the internal logical resources of the NodeB (for example, cells and channels)
and the mapping between physical resources and logical resources.
OM Software
The OM software performs OM for the NodeB by working with the LMT or M2000. The
functions of the OM software are as follows:
l Equipment management
l Data configuration
l Performance management
l Commissioning management
l Alarm management
l Software management
l Tracing management
l Security management
l Backup management
l Log management
Data Center
The data center stores the configuration data of each module in XML format.
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4 Topologies of the DBS3800
About This Chapter
This describes the topologies of the NodeB, which consists of the networking on the Iub interface
and networking on the CPRI interface.
4.1 Network Topologies on the Iub Interface
When ATM transport is applied, the NodeB supports multiple topologies on the Iub interface,
such as star, chain, and tree. When IP transport is applied, the NodeB supports the star topology.
4.2 Topologies on the CPRI Interface
Multiple topologies such as star, chain, and ring are supported between the BBU and RRU.
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4.1 Network Topologies on the Iub Interface
When ATM transport is applied, the NodeB supports multiple topologies on the Iub interface,
such as star, chain, and tree. When IP transport is applied, the NodeB supports the star topology.
Figure 4-1 shows the typical topologies of the NodeB.
Figure 4-1 Typical topologies
NOTE
l The CPRI port on the BBU supports the transmission at a rate of only 1.25 Gbit/s.
l The above figure takes BBU3806 as an example.
l In the chain and tree topologies, the NodeB can support up to five levels of cascading.
4.1.1 Star Topology
As the most commonly used topology, the star topology applies to most areas, especially to
densely populated areas.
Figure 4-2 shows the star topology.
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Figure 4-2 Star topology
Advantages:
l The NodeB is directly connected to the RNC. Therefore, its simplicity makes it convenient
to maintain, engineer, and expand.
l Direct data transmission is built between the NodeB and the RNC. This makes signals travel
through fewer nodes, which gives higher transmission reliability.
Disadvantage: Compared with other topologies, the star topology requires more transmission
resources.
4.1.2 Chain Topology
The chain topology applies to the belt-shaped and sparsely populated areas, such as highways
and railways.
Figure 4-3 shows the chain topology.
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Figure 4-3 Chain topology
Advantage: The chain topology can reduce costs in transmission equipment, engineering,
construction, and the transmission link lease.
Disadvantages:
l Signals travel through many nodes, so the transmission reliability is low.
l Faults in the upper-level NodeB may affect the lower-level NodeB(s).
l The number of levels in the chain topology cannot exceed five.
4.1.3 Tree Topology
The tree topology applies to complicated networks and sites such as a large area with
concentrated hot spots.
Figure 4-4 shows the tree topology.
Figure 4-4 Tree topology
Advantage: The tree topology requires fewer transmission links than star topology.
Disadvantages:
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l Signals travel through many nodes, which causes low transmission reliability and
difficulties in maintenance and construction.
l Faults in the upper-level NodeB may affect the lower-level NodeB(s).
l Capacity expansion is difficult because it may involve major modification to the network
structure.
l The number of levels in the tree topology cannot exceed five.
4.2 Topologies on the CPRI Interface
Multiple topologies such as star, chain, and ring are supported between the BBU and RRU.
Figure 4-5 shows the typical topologies between the BBU and the RRU.
Figure 4-5 Typical topologies between the BBU and the RRU
NOTE
l The previous figure takes BBU3806 as an example.
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5 Clock Synchronization Modes of the
DBS3800
The DBS3800 supports five clock synchronization modes: line clock, GPS clock, BITS clock,
IP clock, and internal clock.
Line Clock
The BBU directly extracts clock signals from the Iub interface such as the E1/FE interface. Then,
the BBU outputs the precise 2.048 MHz and 8 kHz clocks after frequency dividing, phase
locking, and phase adjusting. The 2.048 MHz and 8 kHz clocks are used for frame
synchronization and bit synchronization in the DBS3800.
NOTE
l The BBU3806 V100R011 and later directly extracts the Line clock from the E1/FE port.
l The BBU3806 V100R010 and before can not directly extracts the Line clock from the FE port.
l In DBS3800 V100R012 and later versions, when active and standby BBU3806s are interconnected,
the line clock must be configured on the active BBU3806.
GPS Clock
The BBU provides the input port for the GPS clock and obtains the clock through the external
GPS device. This enables the BBU to receive GPS clock signals when the upper-level clock is
unstable or unavailable.
BITS Clock
The BBU3806 supports the BITS clock mode by providing a port for the 2.048 MHz BITS clock.
NOTE
The BBU3806C does not support the BITS clock mode.
IP Clock
Without requirements for additional hardware, the IP clock is supported through software
upgrade, providing IP transport with cost-effective clock solutions.
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Internal Clock
The clock module of the BBU uses the oven controlled crystal oscillator (OCXO) to achieve
high stability and performance. The combination of advanced algorithms and software phase-
lock technique ensures high accuracy of the clock. The frequency accuracy of the clock system
meets the requirement stipulated in the 3GPP TS 25.104 and 3GPP TS 36.104 protocols. In the
absence of external clocks, the internal clock can ensure that the NodeB works normally for at
least 90 days and its precision can be higher than 0.05 ppm.
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6 DBS3800 Hardware Configuration
About This Chapter
This chapter describes the types of DBS3800 hardware configuration and the configuration
modes adapted for different scenarios.
6.1 2-Way RX Diversity Configurations
The DBS3800 supports omni-directional, two-sector, and three-sector configurations. The
operator chooses different configurations based on actual conditions such as locations and the
number of users.
6.2 4-Way RX Diversity ConfiturationsThis describes the DBS3800 hardware configuration and cable connections for 4-way RX
diversity.
6.3 TX Diver sity Configurations
This describes the DBS3800 hardware configuration and cable connections for TX diversity.
6.4 2 x 2 MIMO Configurations
This describes the DBS3800 hardware configuration and cable connections for 2 x 2 MIMO.
6.5 2T4R Configurations
This describes the DBS3800 hardware configuration and cable connections for 2T4R (TX
Diversity and 4-Way RX Diversity).
6.6 DC-HSDPA + MIMO Configurations
The DBS3800 supports DC-HSDPA + MIMO configuration. BBUs and RRUs can be flexibly
combined to support DC-HSDPA + MIMO configuration (MIMO is supported at a single
frequency). The BBU3806C does not support DC-HSDPA + MIMO configuration. Therefore,
the BBU described in this section refers to the BBU3806. The EBBC or EBBCd must be
configured for the BBU, and a maximum of three cells are supported.
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6.1 2-Way RX Diversity Configurations
The DBS3800 supports omni-directional, two-sector, and three-sector configurations. The
operator chooses different configurations based on actual conditions such as locations and the
number of users.
The DBS3800 supports the following 2-way RX diversity configurations:
l The DBS3800 supports smooth capacity expansion from 1 x 1 to 6 x 2 or 3 x 4.
l The DBS3800 supports a maximum of 12 cells.
NOTE
l N x M = sector x carrier. For example, 3 x 1 indicates that each of the three sectors has one carrier.
l The EBBCd is supported from V100R012.
Table 6-1 lists the 2-way RX diversity configurations of the BBU3806 and the RRU3804, theRRU3806, the RRU3808, the RRU3824, the RRU3826, or the RRU3936.
Table 6-1 2-Way RX diversity configurations of the BBU3806 and the RRU3804, the RRU3806,
the RRU3808, the RRU3824, the RRU3826, or the RRU3936
Configuration MinimumNumber ofBBU3806s
MinimumNumber of EBBCsor EBBCds
MinimumNumber ofRRU3804s,RRU3806s,RRU3808s,RRU3824s,
RRU3826s, orRRU3936s
1×1 1 0 1
1×2 1 0 1
1×3 1 0 1
1×4 1 1 1
2×1 1 0 2
2×2 1 1 2
2×3 1 1 2
2×4 2 1 2
3×1 1 0 3
3×2 1 1 3
3×3 2 1 3
3×4 2 2 3
6×1 1 1 6
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Configuration MinimumNumber ofBBU3806s
MinimumNumber of EBBCsor EBBCds
MinimumNumber ofRRU3804s,RRU3806s,
RRU3808s,RRU3824s,RRU3826s, orRRU3936s
6×2 2 2 6
NOTE
In four-carrier configurations such as 1 x 4, 2 x 4, and 3 x 4, if the power required for each carrier is 20 W,
the minimum number of RRU3804s doubles.
Table 6-2 lists the typical configurations of the BBU3806 and the RRU3801C or the RRU3801E.
Table 6-2 2-Way RX diversity configurations of the BBU3806 and the RRU3801C or the
RRU3801E
Configuration MinimumNumber ofBBU3806s
MinimumNumber of EBBCsor EBBCds
MinimumNumber ofRRU3801Cs orRRU3801Es
1×1 1 0 1
1×2 1 0 1
1×3 1 0 2
1×4 1 1 2
2×1 1 0 2
2×2 1 1 2
2×3 1 1 4
2×4 2 1 4
3×1 1 0 3
3×2 1 1 3
3×3 2 1 6
3×4 2 2 6
6×1 1 1 6
6×2 2 2 6
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Figure 6-2 Cable connections of the DBS3800 in 3 x 3 configuration(configured with
RRU3801C or RRU3801E)
(1) Antenna jumper (2) CPRI optical cable (3) Interconnect jJumper
NOTE
The cable connections shown in Figure 6-2 are applicable to interconnections of two RRU3801Cs, two
RRU3801Es, or RRU3801C and the RRU3804/RRU3801E.
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Figure 6-3 Cable connections of the DBS3800 in 3 x 1 or 3 x 3 configuration(configured with
RRU3804, RRU3806, RRU3824, RRU3826 or RRU3936)
(1) Antenna jumper (2) CPRI optical cable
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Figure 6-4 Cable connections of the DBS3800 in 3 x 1 or 3 x 3 configuration(configured with
RRU3808)
(1) Antenna jumper (2) CPRI optical cable
6.2 4-Way RX Diversity Confiturations
This describes the DBS3800 hardware configuration and cable connections for 4-way RX
diversity.
The BBU and RRU can be configured flexibly to support 4-way RX diversity. In 4-way RXdiversity, regardless of whether the extension plubboard is configured, the BBU supports three
cells.
Table 6-3 describes the required number of BBUs and RRUs when the DBS3800 supports 4-
way RX diversity.
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Table 6-3 Required number of BBUs and RRUs when the DBS3800 supports 4-way RX
diversity
Configuration
Number ofBBUs
Number ofEBBCs or
EBBCds
Number of RRU3801Cs,RRU3801Es, RRU3804s,
RRU3806s, RRU3808s, RRU3824s,RRU3826s, or RRU3936s
3 x 1 1 0 6
3 x 2 2 0 6
Cable Connections
Figure 6-5, Figure 6-6 and Figure 6-7 show the cable connections for 4-way RX diversity in
3 x 1 configurations.
NOTE
A single sector is taken as an example to describe the cable connections.
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Figure 6-5 Cable connections for 4-way RX diversity (configured with the RRU3801C,
RRU3801E, RRU3804, RRU3806, RRU3824, RRU3826, or RRU3936)
(1) Antenna Jumper (2) CPRI Optical Cable
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Figure 6-6 Cable connections for 4-way RX diversity (configured with the RRU3808)
(1) Antenna Jumper (2) CPRI Optical Cable
When one RRU is configured with at least three carriers, and the CPRI interface rate reaches
1.25 Gbit/s, all RRUs should be directly connected to the BBU. Figure 6-7 shows the cable
connections (takes the RRU3804 as an example).
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Figure 6-7 Cable connections for 4-way RX diversity (special configuration)
(1) Antenna Jumper (2) CPRI Optical Cable
6.3 TX Diversity ConfigurationsThis describes the DBS3800 hardware configuration and cable connections for TX diversity.
The BBU and RRU can be configured flexibly to support TX diversity.
Table 6-4 and Table 6-5 describes the required number of BBUs and RRUs when the DBS3800
supports TX diversity.
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Table 6-4 Required number of BBUs and RRUs when the DBS3800 supports TX diversity
Configuration
Number ofBBUs
Number ofEBBCs orEBBCds
Number ofRRU3801Cs,RRU3801Es,
RRU3804Ss,RRU3806s,RRU3824s,RRU3826s,RRU3936s
Number ofRRU3808s
3 x 1 1 0 6 3
3 x 2 1 1 6 3
Table 6-5 Required number of BBUs and RRUs when the DBS3800 supports TX diversity
Configuration
Number ofBBUs
Number ofEBBCs orEBBCds
Number ofRRU3804s,RRU3806s,RRU3824s,RRU3826s,RRU3936s
Number ofRRU3808s
3 x 3 2 1 6 3
Cable Connections
Figure 6-8 and Figure 6-9 show the cable connections for TX diversity in 3 x 1 configurations.
NOTE
A single sector is taken as an example to describe the cable connections. Cable connections for a single
sector are the same in 3 x 1 and 3 x 3 configurations. The RRU3801C and RRU3801E do not support the
TX diversity configuration of 3 x 3.
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Figure 6-8 Cable connections for TX diversity (configured with the RRU3801C, RRU3801E,
RRU3804, RRU3806, RRU3824, RRU3826, or RRU3936)
(1) Antenna jumper (2) CPRI optical cable (3) Interconnect jumper
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Figure 6-9 Cable connections for TX diversity (configured with the RRU3808)
(1) Antenna jumper (2) CPRI optical cable
6.4 2 x 2 MIMO Configurations
This describes the DBS3800 hardware configuration and cable connections for 2 x 2 MIMO.
The BBU and RRU can be configured flexibly to support 2 x 2 MIMO. In 2 x 2 MIMO, the BBU
needs be configured with EBBC or EBBCd and supports three cells(takes the BBU3806 as an
example).
NOTE
l The DBS3800 supports 2 x 2 MIMO from V100R011.
l The EBBCd is supported from V100R012.
Table 6-6 describes the number of BBUs and RRUs that should be configured when the
DBS3800 supports 2 x 2 MIMO.
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Table 6-6 Required number of BBUs and RRUs when the DBS3800 supports 2 x 2 MIMO
Configuration
Number ofBBUs
NumberEBBCs orEBBCds
Number ofRRU3801Cs,RRU3801Es,
RRU3804s,RRU3806s,RRU3824s,RRU3826s, orRRU3936s
Number ofRRU3808s
3 x 1 1 1 6 3
3 x 2 2 2 6 3
Cable Connections
Figure 6-10 and Figure 6-11 show the cable connections for 2 x 2 MIMO in 3 x 1 configurations.
NOTE
A single sector is taken as an example to describe the cable connections.
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Figure 6-10 Cable connections for 2 x 2 MIMO (configured with the RRU3801C, RRU3801E,
RRU3804, RRU3806, RRU3824, RRU3826, or RRU3936)
(1) Antenna Jumper (2) CPRI Optical Cable (3) Interconnect Jumper
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Figure 6-11 Cable connections for 2 x 2 MIMO (configured with the RRU3808)
(1) Antenna Jumper (2) CPRI Optical Cable
6.5 2T4R Configurations
This describes the DBS3800 hardware configuration and cable connections for 2T4R (TX
Diversity and 4-Way RX Diversity).
The BBU and RRU can be configured flexibly to support 2T4R. In 2T4R, regardless of whether
the extension plubboard is configured, the BBU supports three cells.
NOTE
The DBS3800 supports 2T4R from V100R011.
Table 6-7 describes the number of BBUs and RRUs that should be configured when the
DBS3800 supports 2T4R.
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Table 6-7 Required number of BBUs and RRUs when the DBS3800 supports 2T4R
Configuration Number ofBBUs
Number ofEBBCs orEBBCds
Number of RRU3801Cs,RRU3801Es, RRU3804s,RRU3806, RRU3808s,
RRU3824s, RRU3826s, orRRU3936s
3 x 1 1 0 6
3 x 2 2 0 6
Cable Connections
Figure 6-12 and Figure 6-13 show the cable connections for 2T4R in 3 x 1 configurations.
NOTE
A single sector is taken as an example to describe the cable connections.
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Figure 6-12 Cable connections for 2T4R (configured with the RRU3801C, RRU3801E,
RRU3804, RRU3806, RRU3824, RRU3826, or RRU3936)
(1) Antenna Jumper (2) CPRI Optical Cable
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Figure 6-13 Cable connections for 2T4R (configured with the RRU3808)
(1) Antenna Jumper (2) CPRI Optical Cable
6.6 DC-HSDPA + MIMO ConfigurationsThe DBS3800 supports DC-HSDPA + MIMO configuration. BBUs and RRUs can be flexibly
combined to support DC-HSDPA + MIMO configuration (MIMO is supported at a single
frequency). The BBU3806C does not support DC-HSDPA + MIMO configuration. Therefore,
the BBU described in this section refers to the BBU3806. The EBBC or EBBCd must be
configured for the BBU, and a maximum of three cells are supported.
NOTE
l The DBS3800 supports DC-HSDPA + MIMO configuration since V100R013.
l The EBBCd is supported in V100R012 and later versions.
Table 6-8 describes module quantity in DC-HSDPA + MIMO configuration.
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Table 6-8 Module quantity in DC-HSDPA + MIMO configuration
ConfigurationType
BBU Quantity EBBC orEBBCdQuantity
RRU3801C,RRU3801E,RRU3804,
RRU3806,RRU3824,RRU3826, orRRU3936Quantity
RRU3808Quantity
3 × 2 2 2 6 3
Cable Connections
Figure 6-14 and Figure 6-15 show cable connections in DC-HSDPA + MIMO configuration
(3 x 2 configuration).
NOTE
The following cable connections are based on a single sector.
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Figure 6-14 Cable connections in DC-HSDPA + MIMO configuration (RRU3801C,
RRU3801E, RRU3804, RRU3806, RRU3824, RRU3826, or RRU3936 is configured)
(1) Antenna jumper (2) CPRI optical cable (3) RRU interconnect jumper (4) Inter-BBU cable
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Figure 6-15 Cable connections in DC-HSDPA + MIMO configuration (RRU3808 is configured)
(1) Antenna jumper (2) CPRI optical cable (3) Inter-BBU cable
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7 Operation and Maintenance of the DBS3800
About This Chapter
The software, hardware, and configuration of the DBS3800 is managed, monitored, and
maintained through the DBS3800 Operation and Maintenance (OM). Various modes and
platforms are available for the DBS3800 OM and meet different maintenance requirements.
7.1 OM Modes of the DBS3800
The DBS3800 supports local maintenance, remote maintenance, and reverse maintenance.
7.2 OM Functions of the DBS3800
The DBS3800 provides OM functions such as commissioning management, equipmentmanagement, software management, and alarm management.
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7.1 OM Modes of the DBS3800
The DBS3800 supports local maintenance, remote maintenance, and reverse maintenance.
The OM subsystem provides the following three maintenance modes:
l Local maintenance: The NodeB is maintained on the Local Maintenance Terminal (LMT)
through the local Ethernet port of the NodeB.
l Remote maintenance: The NodeB is maintained through the IP route provided by the RNC.
The maintenance is performed on the M2000 client or the LMT in a Network Management
System (NMS) center or an RNC equipment room.
l Reverse maintenance: An additional NodeB is maintained on the LMT through the local
Ethernet port of a local NodeB, and the IP route is provided by the RNC.
NOTE
The OM subsystem of the NodeB supports the automatic setup of default maintenance channel. After
hardware installation, the NodeB can automatically set up a maintenance channel to the RNC on the ATM
network. Through this channel, the maintenance personnel can remotely download data and programs to
the NodeB, which enhances the network maintainability.
Figure 7-1 shows the OM subsystem of the NodeB.
Figure 7-1 OM subsystem of the NodeB
The OM subsystem of the NodeB consists of the following components:
l LMT: used to maintain single NodeB.
l M2000: used to maintain multiple NodeBs.
l OM channel: provides channels between the NodeB and the LMT and between the NodeB
and the M2000.
l NE: refers to the object maintained.
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7.2 OM Functions of the DBS3800
The DBS3800 provides OM functions such as commissioning management, equipment
management, software management, and alarm management.
Commissioning Management
Commissioning management provides the following functions:
l Equipment performance tests, such as the CPU usage test, the clock source quality test, and
the power test
l Routine tests, such as the E1/T1 performance statistics and the STM-1 performance
statistics
l Service performance tests, such as the 141 test, the uplink channel scanning, and the
statistics for service resource usage
Equipment Management
The equipment management involves the equipment maintenance and the data configuration.
l The equipment maintenance provides the maintenance of equipment or boards, for
example, resetting boards, managing the status of equipment, performing self-check on the
equipment, performing an active/standby switchover, and calibrating the clock.
l The data configuration provides configuration, query, and backup for the equipment
parameters, for example, configuring the parameters of the NodeB clock, algorithm
parameters, or RF parameters.
Software Management
Software management provides the following functions:
l The software activation
l Checks the compatibility of software and hardware versions
l The version management, for example, querying hardware and software versions
l Upgrades the software version
Alarm Management
The alarm management involves the equipment alarm management and the environment alarm
management.
l Equipment alarm management
The alarm management system detects and reports information about faults in real time.
The LMT or M2000 then displays the alarm information and provides appropriate handling
suggestions.
The alarm management system of the M2000 connects to an alarm box through a serial
port and supports both audio and visual alarms as in the LEDs or the alarm box. The
maintenance personnel can subscribe to specific alarms. When related alarms are generated,
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the alarm information is forwarded to the handsets or pagers of the maintenance personnel
so that they can rectify the faults in time.
l Environment alarm management
The environment alarm management is intended for the equipment room of NodeBs.
Typically, the equipment rooms are unmanned and distributed over a vast area. The
equipment works in a relatively adverse environment, and fire, water immersion, or
flooding may occur. To help you handle such emergencies, the NodeB provides a complete
alarm monitoring system.
Alarm management provides the following functions:
l Alarm detection
l Alarm report
l Alarm shielding
l Alarm acknowledgement
l Alarm preprocess
l Alarm correlation process
l Alarm help process
Security Management
The access rights for maintenance personnel are classified into multiple levels when both NodeB
and M2000 are applied. This ensures that the equipment in use is free from mishandles.
Environment Monitoring
To help you handle emergencies for normal operation of the equipment, the NodeB provides a
complete environment monitoring system.
The environment monitoring system provides customized solutions regarding door control,
infrared, smoke, water immersion, humidity, and temperature.
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8 DBS3800 Specifications
About This Chapter
This part describes the specifications for the DBS3800 such as capacity specifications, RF
specifications, engineering specifications, surge protection specifications, physical interface
specifications, compliance standards, and environment conditions.
8.1 Capacity Specifications of the DBS3800
The capacity of the BBU3806/BBU3806C is represented by the number of cells and the number
of CEs. The capacity of the RRU is represented by the number of supported sectors and carriers.
8.2 RF Specifications of the DBS3800The RF specifications of the DBS3800 consist of the working frequency bands, transmitter
specifications, and receiver specifications.
8.3 Engineering Specifications for the DBS3800
This describes the engineering specifications for the DBS3800, which consist of the physical
dimensions, weight, power input, and power consumption.
8.4 Surge Protection Specifications for Ports on the DBS3800
This describes the surge protection specifications for external ports on the BBU3806,
BBU3806C, and RRU.
8.5 Ports on the DBS3800
The ports on the DBS3800 consist of grounding ports, power supply ports, transmission ports,alarm ports, and other ports.
8.6 Compliance Standards of the DBS3800
The DBS3800 complies with the standards of EMC, acoustic noise, working environment,
transportation, storage, and anti-seismic performance.
8.7 Environment Conditions of the DBS3800
The environment conditions of the DBS3800 consist of working environment requirements,
transportation requirements, and storage requirements.
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8.1 Capacity Specifications of the DBS3800
The capacity of the BBU3806/BBU3806C is represented by the number of cells and the number of CEs. The capacity of the RRU is represented by the number of supported sectors and carriers.
Capacity of the BBU3806
Table 8-1 Capacity of the BBU3806
Item Capacity
Cell 3
Uplink CE 192
Downlink CE 256
Table 8-2 Capacity of the BBU3806 with the EBBC or the EBBCd
Item Capacity
Cell 6
Uplink CE 384
Downlink CE 512
Capacity of the BBU3806C
Table 8-3 Capacity of the BBU3806C
Item Capacity
Cell 3
Uplink CE 128
Downlink CE 256
Table 8-4 Capacity of the BBU3806C with the EBBM
Item Capacity
Cell 6
Uplink CE 320
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Item Capacity
Downlink CE 512
Capacity of the RRU3801C or the RRU3801E
Table 8-5 Capacity of the RRU3801C or the RRU3801E
Item Capacity
Maximum sectors 1
Maximum carriers 2
Capacity of the RRU3804, the RRU3808 ,the RRU3806, the RRU3824 or the RRU3826
Table 8-6 Capacity of the RRU3804, the RRU3808,the RRU3806, the RRU3824 or the
RRU3826
Item Capacity
Maximum sectors 1
Maximum carriers 4
Capacity of the RRU3936
Table 8-7 Capacity of the RRU3936
Item Capacity
Maximum sectors 1
Maximum carriers 6
8.2 RF Specifications of the DBS3800
The RF specifications of the DBS3800 consist of the working frequency bands, transmitter
specifications, and receiver specifications.
Working Frequency Bands
Table 8-8describe working frequency bands of the DBS3800.
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Table 8-8 Working frequency bands of the DBS3800
Frequency Band(MHz)
Receiving Band (MHz)
Transmitting Band (MHz)
RRU
Band I (2100) 1920 to 1980 2110 to 2170 l RRU3801C
l RRU3804
l RRU3801E
l RRU3808
l RRU3806
l RRU3824
l RRU3826
Band I (2100) 1920 to 1965 2110 to 2170 RRU3806
Band II (1900) 1850 to 1910 1930 to 1990 l RRU3801Cl RRU3804
Band IX (1800) 1749.9 to 1784.9 1844.9 to 1879.9 RRU3801C
Band IV (AWS) 1710 to 1755 2110 to 2155 l RRU3801C
l RRU3804
l RRU3808
Band V/VI (850) 824 to 849 869 to 894 l RRU3801C
l RRU3804
Band VIII (900) 880 to 915 925 to 960 RRU3801C
Band VIII (900 EGSM) 880 to 915 925 to 960 RRU3936
Band VIII (900 PGSM) 890 to 915 935 to 960
NOTE
An RRU3808 in V100R012 or a later version supports the AWS band.
Transmitter Specifications
Table 8-9, Table 8-10, Table 8-11, Table 8-12, Table 8-13, Table 8-14, and Table 8-15
describe transmitter specifications of the DBS3800.
Table 8-9 Output power of each sector configured with a single RRU3801C/RRU3801E
Number of Carriers Output Power per Carrier (W) Configuration
1 40 1 x 1
2 20 1 x 2
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Table 8-10 Output power of each sector configured with a single RRU3804
Number of Carriers Output Power per Carrier (W) Configuration
1 60 1 x 1
2 30 (20 per carrier with configuration
1001)
1 x 2
3 20 1 x 3
4 15 1 x 4
Table 8-11 Output power of each sector configured with a single RRU3808
The RRU3808 supports four carriers, and the output power at the antenna port is 2*40 W.
Type Maximum Output Power per TX Channel (W)
1 TX configuration 40
MIMO configuration 40
Hybrid configuration 40
Unequal power configuration 40
Table 8-12 Output power of each sector configured with a single RRU3824
The RRU3824 supports four carriers, and the maximum output power is 60 W.
Number of Carriers Output Power per Carrier (W)
1 60
2 30
3 20
4 15
Table 8-13 Output power of each sector configured with a single RRU3826
The RRU3826 supports four carriers, and the maximum output power is 80 W.
Number of Carriers Output Power per Carrier (W)
1 80
2 40
3 26
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Number of Carriers Output Power per Carrier (W)
4 20
Table 8-14 Output power of each sector configured with a single RRU3808
Number of Carriers Output Power per Carrier (W) Configuration
1 80 1 x 1
2 40 (30 W per carrier in 1001
configuration; 20 W per carrier in
10001 configuration)
1 x 2
3 26 (20 W per carrier in 10101,
11001, or 10011 configuration)
1 x 3
4 20 (15 W per carrier in 11011,
11101, or 10111 configuration)
1 x 4
Table 8-15 Output power of each sector configured with a single RRU3936
The RRU3936 supports six carriers, and the maximum output power is 80 W.
Number of Carriers Output Power per Carrier (W)
1 80
2 40
3 25
4 20
5(a) 16(a)
6(a) 12(a)
NOTE
l (a) indicates that only hardware is available for the configuration.
l The previously mentioned output power refers to the rated output power of each carrier at the TX
antenna connector of the DBS3800.
l The 11 configuration indicates that two continuous carriers are configured. The 111 configuration
indicates that three continuous carriers are configured, and the spacing between the center frequencies
of two neighboring carriers is 5 MHz.
l In 1001, 10001, 10101, 11001, 10011, 11011, 11101, or 10111 configuration, discontinuous carriers
are configured. The value 0 indicates the spacing of 5 MHz. For example, the 1001 configuration
indicates that two discontinuous carriers are configured and the spacing between the center frequencies of the two carriers is 15 MHz.
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Receiver Sensitivity
Table 8-16, Table 8-17, Table 8-18, and Table 8-19 describe receiver sensitivity of the
DBS3800.
Table 8-16 Receiver sensitivity (band I)
RX Diversity Mode Receiver Sensitivity (dBm)1
1-way -125.5
2-way -128.3
Table 8-17 Receiver sensitivity (other bands of RRU3801C/RRU3806/RRU3808)
RX Diversity Mode Receiver Sensitivity (dBm)1
1-way -125.3
2-way -128.1
Table 8-18 Receiver sensitivity (other bands of RRU3804/RRU3801E)
RX Diversity Mode Receiver Sensitivity (dBm)1
1-way -125.0
2-way -127.8
Table 8-19 Receiver sensitivity (other bands of RRU3936)
RX Diversity Mode Receiver Sensitivity (dBm)1
1-way -125.8
2-way -128.6
4-way -131.3
NOTE
1: Receiver sensitivity at the antenna connector of the DBS3800 that complies with 3GPP TS 25.104 and
provides 12.2 kbit/s channels with BER less than 0.001
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8.3 Engineering Specifications for the DBS3800
This describes the engineering specifications for the DBS3800, which consist of the physicaldimensions, weight, power input, and power consumption.
8.3.1 Engineering Specifications of the BBU3806
This describes the engineering specifications of the BBU3806.
Dimensions
The dimensions of the BBU3806 are 436 mm x 300 mm x 42 mm (width x depth x height).
Weight
The maximum weight of the BBU3806 is 5 kg.
Power Input
Table 8-20 shows the power input to the BBU3806.
Table 8-20 Power input to the BBU3806
Rated Voltage Operating Voltage Range
-48 V DC -40 V DC to -60 V DC
+24 V DC +19 V DC to +29 V DC
Power Consumption
l The maximum power consumption of the BBU3806 without the EBBC or EBBCd is 60
W.
l The maximum power consumption of the BBU3806 with the EBBC is 90 W.
l The maximum power consumption of the BBU3806 with the EBBCd is 95 W.
8.3.2 Engineering Specifications of the BBU3806C
This describes the engineering specifications of the BBU3806C.
Dimensions
l The dimensions of the BBU3806C (without the mounting bracket and housing) are 340
mm x 135 mm x 480 mm (W x D x H).
l The dimensions of the BBU3806C (with the mounting bracket and housing) are 380 mm
x 165 mm x 610 mm (W x D x H).
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Weight
The maximum weight of the BBU3806C is 15 kg.
Power Input
Table 8-21 Power input to the BBU3806C
Rated Voltage Operating Voltage Range
-48 V DC -40 V DC to -60 V DC
220 V AC 150 V AC to 300 V AC
Power Consumption
l If -48 V DC power is used, the maximum power consumption of the BBU3806C is 100 W.
l If 220 V AC power is used, the maximum power consumption of the BBU3806C is 120
W.
8.3.3 Engineering Specifications for the RRU3801C
This describes the engineering specifications for the RRU3801C.
Physical Dimensionsl The dimensions of the RRU3801C (without the bracket and housing) are 365 mm x 145
mm x 480 mm (W x D x H).
l The dimensions of the RRU3801C (with the bracket and housing) are 380 mm x 200 mm
x 610 mm (W x D x H).
Weight
l The maximum weight of the RRU3801C without the bracket and housing is 20 kg at most.
l The maximum weight of the RRU3801C with the bracket and housing is 25 kg at most.
Power Input
Table 8-22 Power input to the RRU3801C
Rated Voltage Operating VoltageRange
Remarks
−48 V DC −40 V DC to −60 V DC
220 V AC 150 V AC to 300 V AC 47 Hz to 63 Hz
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Power Consumption
The maximum power consumption of the RRU3801C is 240 W.
8.3.4 Engineering Specifications of the RRU3804/RRU3801E/ RRU3806
This describes the engineering specifications of the RRU3804/RRU3801E/RRU3806.
Dimensions
l The dimensions of the RRU3804/RRU3801E/RRU3806 (with the housing) are 285 mm x
170 mm x 485 mm (W x D x H).
l The dimensions of the RRU3804/RRU3801E/RRU3806 (without the housing) are 270 mm
x 140 mm x 480 mm (W x D x H).
Weight
The weight of the module is no more than 15 kg. The weight of the module and its housing is
no more than 17 kg.
Power Input
Table 8-23 Power input to the RRU3804/RRU3801E/RRU3806
Rated Voltage Operating Voltage Range
-48 V DC -37 V DC to -60 V DC
Power Consumption
l The maximum power consumption of the RRU3804 is 275 W.
l The maximum power consumption of the RRU3801E is 210 W.
l The maximum power consumption of the RRU3806 is 300 W.
8.3.5 Engineering Specifications of the RRU3824/RRU3826
This describes the engineering specifications of the RRU38204/RRU3826.
Dimensions
l The dimensions of the RRU3824/RRU3826 (with the housing) are 300 mm x 120 mm x
400 mm (W x D x H).
l The dimensions of the RRU3824/RRU3826 (without the housing) are 300 mm x 100 mm
x 400 mm (W x D x H).
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Weight
The weight of the module is no more than 14 kg. The weight of the module and its housing is
no more than 15 kg.
Power Input
Table 8-24 Power input to the RRU3824/RRU3826
Rated Voltage Operating Voltage Range
-48 V DC -37 V DC to -60 V DC
8.3.6 Engineering Specifications of the RRU3936This describes the engineering specifications of the RRU3936.
Dimensions
The dimensions of the RRU3936 (without the shell) are 300 mm x 100 mm x 400 mm (W x D
x H).
NOTE
RRU3936 does not have the housing by default.
WeightThe weight of the module is 13.5 kg without the shell.
Power Input
Table 8-25 Power input to the RRU3936
Rated Voltage Operating Voltage Range
-48 V DC -37 V DC to -57 V DC
8.3.7 Engineering Specifications of the RRU3808
This describes the engineering specifications of the RRU3808.
Dimensions
The dimensions of the RRU3808 (with the housing) are 280 mm x 170 mm x 485 mm (W x D
x H).
The dimensions of the RRU3808 (without the housing) are 270 mm x 140 mm x 480 mm (W x
D x H).
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Weight
The weight of the module is no more than 17 kg. The weight of the module and its housing is
no more than 19 kg.
Power Input
Table 8-26 Power input to the RRU3808
Rated Voltage Operating Voltage Range
-48 V DC -37 V DC to -60 V DC
Power Consumption
The maximum power consumption of the RRU3808 is 330 W.
8.4 Surge Protection Specifications for Ports on the DBS3800
This describes the surge protection specifications for external ports on the BBU3806,
BBU3806C, and RRU.
Surge Protection Specifications for the External Ports on the BBU3806
Application Surge Protection Mode Surge CurrentPower supply Differential mode 2 kA
Common mode 4 kA
E1 Differential mode 250 A
Common mode 250 A
Differential mode (SPBC) 3 kA
Common mode (SPBC) 5 kA
Differential mode (SPBT) 5 kA
Common mode (SPBT) 8 kA
GPS signal input Differential mode (GPS surge
protector)
8 kA
Common mode (GPS surge
protector)
20 kA
Dry contact alarms Differential mode 250 A
Common mode 250 A
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Surge Protection Specifications for the External Ports on the BBU3806C
Application Surge Protection Mode Surge Current
−48 V DC power supply Differential mode 10 kA
Common mode 15 kA
220 V AC power supply Differential mode 5 kA
Common mode 5 kA
E1 Differential mode 3 kA
Common mode 5 kA
GPS signal input Differential mode (GPS surge
protector)
8 kA
Common mode (GPS surge
protector)
20 kA
Dry contact alarms Differential mode 250 A
Common mode 250 A
Surge Protection Specifications for the External Ports on the RRU3801C
Application Surge Protection Mode Surge Current−48 V DC power supply Differential mode 10 kA
Common mode 15 kA
220 V AC power supply Differential mode 5 kA
Common mode 5 kA
Differential mode (external surge
protector)
60 kA (maximum
discharge current)
Common mode (external surge
protector)
60 kA (maximum
discharge current)
RF port Differential mode 8 kA
Common mode 20 kA
Dry contact alarms Differential mode 3 kA
Common mode 5 kA
RET antenna Differential mode 3 kA
Common mode 5 kA
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Surge Protection Specifications for the External Ports on the RRU3804, RRU3806,RRU3808, RRU3824, or RRU3826
Application Surge Protection Mode Surge Current
Power supply Differential mode 10 kA
Common mode 15 kA
RF port Differential mode 8 kA
Common mode 40 kA
Dry contact alarms Differential mode 3 kA
Common mode 5 kA
RS485 port Differential mode 3 kA
Common mode 5 kA
RET antenna Differential mode 3 kA
Common mode 5 kA
Surge Protection Specifications for the External Ports on the RRU3801E
Application Surge Protection Mode Surge Current
Power supply Differential mode 10 kA
Common mode 15 kA
RF port Differential mode 8 kA
Common mode 40 kA
Dry contact alarms Differential mode 250 A
Common mode 250 A
RET antenna Differential mode 3 kA
Common mode 5 kA
Surge Protection Specifications for the External Ports on the RRU3936
Application Surge Protection Mode Specification
Power port Surge Differential mode 2 kV (1.2/50 μs)
Common mode 4 kV (1.2/50 μs)
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Application Surge Protection Mode Specification
Surge current Differential mode 10 kA
Common mode 20 kA
RF port Surge current Differential mode 8 kA
Common mode 40 kA
RET port Surge current Differential mode 3 kA
Common mode 5 kA
Dry contact or
RS485 alarm port
Surge current Differential mode 3 kA
Common mode 5 kA
Interconnection port for receiving
RF signals
Surge 250 A
Local power
monitoring port or
alarm port
Surge 250 A
NOTE
l
The surge protection specifications are based on the surge waveform of 8/20 μs.l The surge current, unless otherwise specified as the maximum discharge current, refers to a nominal
discharge current.
8.5 Ports on the DBS3800
The ports on the DBS3800 consist of grounding ports, power supply ports, transmission ports,
alarm ports, and other ports.
8.5.1 Ports on the BBU3806
The ports on the BBU3806 consist of the grounding screw, power supply port, transmission port,
alarm port, and other ports.
Grounding Screws
The BBU3806 has two grounding screws on the front panel.
Power Supply Port
Table 8-27 shows the power supply port on the BBU3806.
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Table 8-27 Power supply port on the BBU3806
Application Port Type Quantity Connector Type
Power supply
port
-48 V DC or +24 V DC
power port
1 7W2 male connector,
which shares the socketwith the RS485 alarm port
Transmission Ports
Table 8-28 shows the transmission ports on the BBU3806.
Table 8-28 Transmission ports on the BBU3806
Application Port Type Quantity Data Rate Connector Type
Iub interface E1 1 (8 E1s) 2.048 Mbit/s DB44 female
connector
T1 1 (8 T1s) 1.544 Mbit/s DB44 female
connector
Unchannelize
d STM-1/
OC-3 port
2 155 Mbit/s ESFP socket
Fast Ethernet 2 100 Mbit/s
Full-duplex
RJ45 connector
Optical interfaces
with the
RRU3801C,
pRRU3801, and
RHUB3808
CPRI 3 1.25 Gbit/s ESFP socket
Inter-BBU3806
port
EIa 1 3 x 1.25 Gbit/s MDR36 connector
NOTE
l The unchannelized STM-1/OC-3 ports are provided by the optical sub-boards.
l The EIa port enables the high speed interconnection between the BBU3806s. Signals transmitted
through the EIa port consist of three 2-way high speed electrical signals at 1.25 Gbit/s, clock signals,
and active/standby switchover signals.
Alarms Ports
Table 8-29 shows the alarm ports on the BBU3806.
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Table 8-29 Alarm ports on the BBU3806
Application Port Type Quantity Connector Type
Alarm ports RS485 alarm port 1 7W2 male connector, which shares
the socket with the power supply port
Dry contact alarm
port
1 RJ45 connector, supporting four dry
contact alarm signals
Table 8-30 shows the specifications of the alarm ports on the BBU3806.
Table 8-30 Specifications of the alarm ports on the BBU3806
Specification Parameter
Closed-circuit impedance < 0.2 kilohm
Open-circuit impedance > 51 kilohms
Other Ports
Table 8-31 shows the other ports on the BBU3806.
Table 8-31 Other ports on the BBU3806
Application Port Type Quantity Connector Type
GPS signal input - 1 SMA female connector
Clock signal input/
output
BITS signal input port 1 SMA female connector
10 MHz clock signal
output port
1 SMB male connector
Testing 8 kHz Transmission
Time Interval (TTI)
testing port
1 SMB male connector
Commissioning Serial or Ethernet port 1 RJ45 connector
8.5.2 Ports on the BBU3806C
The ports on the BBU3806C consist of grounding ports, power supply ports, transmission ports,
alarm ports, and other ports.
Grounding Ports
The BBU3806C has two grounding bolts at the bottom.
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Power Supply Ports
Table 8-32 Power supply ports on the BBU3806C
Application Port Quantity
Connector Type
Power supply ports +220 V AC or −48 V
DC power
1 9-pin, round, and waterproof
Transmission Ports
Table 8-33 Transmission ports on the BBU3806C
Application Port Quantity Data Rate Connector Type
Iub interface E1 1 (8 E1s) 2.048 Mbit/s 32-pin, round, and
waterproof
T1 1 (8 T1s) 1.544 Mbit/s 32-pin, round, and
waterproof
Fast Ethernet 1 100 Mbit/s
Full-duplex
8-pin, round, and
waterproof
Optical ports
betweenBBU3806C
and RRU
CPRI 3 1.25 Gbit/s ESFP socket
Inter-
BBU3806C
port
EIa 1 3 x 1.25 Gbit/s MDR36 connector
Alarms Ports
Table 8-34 Alarm ports on the BBU3806C
Application Port Quantity Connector Type
Alarms ports RS485 1 DB15
Four dry contacts 1
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Table 8-35 Specifications for the alarm ports on the BBU3806C
Specification Parameter
Closed resistance < 0.2 kilohms
Open resistance >51 kilohms
Other Ports
Table 8-36 Other ports on the BBU3806C
Application Port Quantity
Connector Type
E1 grounding selection Grounding connections
for eight coaxial E1s
1 19-pin, round, and
waterproof
GPS signal input - 1 N-type
Clock signal input/
output
10 MHz clock signal
output
1 SMB male
Testing 8 kHz TTI Testing 1 SMB male
Commissioning Serial or Ethernet 1 RJ45
8.5.3 Ports on the RRU3801C
The ports on the RRU3801C consist of grounding ports, power supply ports, transmission ports,
alarm ports, and other ports.
Grounding Ports
The RRU3801C has two grounding bolts at the bottom.
Power Supply Ports
Table 8-37 Power supply port on the RRU3801C
Application Port Quantity
Connector Type
Power supply +220 V AC or −48 V
DC power
1 9-pin, round, and waterproof
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Transmission Ports
Table 8-38 Transmission ports on the RRU3801C
Port Quantity Data Rate Connector Type
Optical port 2 1.25 Gbit/s ESFP socket
Alarms Ports
Table 8-39 Alarm port on the RRU3801C
Application Port Quantity Connector Type
Alarm Four dry contacts 1 DB15 connector (sharing the
socket with the fan)
Table 8-40 Specifications for the alarm port on the RRU3801C
Item Specification
Closed resistance < 0.2 kilohms
Open resistance > 51 kilohms
Other Ports
Table 8-41 Other ports on the RRU3801C
Application Port Quantity
Connector Type
RET antenna 1 DB9
RF Main TX/RX 1 DIN, round, and waterproof
RX diversity 1 DIN, round, and waterproof
Interconnection
between combined
cabinets
1 DB2W2
Commissioning Serial 1 RJ11
Ethernet 1 RJ45
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8.5.4 Ports on the RRU3804/RRU3801E/RRU3806/RRU3824/ RRU3826
The ports on the RRU3804/RRU3801E/RRU3806/RRU3824/RRU3826 consist of grounding
ports, power supply ports, transmission ports, alarm ports, and other ports.
Grounding Ports
The RRU3804/RRU3801E/RRU3806/RRU3824/RRU3826 has four grounding bolts at the
bottom.
Power Supply Ports
Table 8-42 Power supply port on the RRU3804/RRU3801E/RRU3806/RRU3824/RRU3826
Application Port Type Quantity
Connector Type
Power supply -48 V DC power
supply
1 OT terminal
Transmission Ports
Table 8-43 Transmission ports on the RRU3804/RRU3801E/RRU3806/RRU3824/RRU3826
Port Type Quantity Data Rate Connector Type
Optical port 2 1.25/2.5 Gbit/s
adaptively
ESFP socket
Alarm Ports
Table 8-44 Alarm port on the RRU3804/RRU3801E/RRU3806/RRU3824/RRU3826
Application Port Type Quantity Connector Type
Alarms 2-channel dry contact
alarms, 1-channel
RS485 signals
1 DB15
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Table 8-45 Specifications of the alarm port on the RRU3804/RRU3801E/RRU3806/RRU3824/
RRU3826
Item Specification
Closed resistance < 0.2 kilohms
Open resistance > 51 kilohms
Other Ports
Table 8-46 Other ports on the RRU3804/RRU3801E/RRU3806/RRU3824/RRU3826
Application Port Type Quanti
ty
Connector Type
RET antenna - 1 DB9, waterproof
RF Main TX/RX 1 DIN, round, and waterproof
RX diversity 1 DIN, round, and waterproof
Interconnection
between combined
modules
1 2W2
8.5.5 Ports on the RRU3936
The ports on the RRU3936 consist of power supply ports, transmission ports, and other ports.
Table 8-47 describes ports on the RRU3936 panels.
Table 8-47 Ports on the RRU3936 panels
Item Silkscreen Description
Ports in the cabling cavity RTN(+) Power supply socket
NEG(-)
CPRI0 Optical/electrical port 0,
connected to the BBU
CPRI1 Optical/electrical port 1,
connected to the BBU
Ports at the bottom ANT_TX/RXA TX/RX port A, supporting
RET signal transmission
ANT_RXB RX port B
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Item Silkscreen Description
RX_IN/OUT Interconnection port, used
for RRU interconnection
EXT_ALM Alarm monitoring port used
for monitoring one RS485
signal and two dry contact
signals
RET Communication port for the
RET antenna, supporting
RET signal transmission
NOTE
l The port for transmitting RET signals is determined by the software.
l Conect the CPRI0 port to the BBU by default in the single-mode scenario.
8.5.6 Ports on the RRU3808
The ports on the RRU3808 consist of grounding ports, power supply ports, transmission ports,
and other ports.
Grounding Ports
The RRU3808 has four grounding bolts at the bottom.
Power Supply Ports
Table 8-48 Power supply port on the RRU3808
Application Port Type Quantity
Connector Type
Power supply -48 V DC power
supply
2 OT terminal
Transmission Ports
Table 8-49 Transmission ports on the RRU3808
Port Type Quantity Data Rate Connector Type
Optical port 2 1.25/2.5 Gbit/s
adaptively
ESFP socket
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Other Ports
Table 8-50 Other ports on the RRU3808
Application Port Type Quantity
Connector Type
Port for communication
with the RET antenna
- 1 DB9, waterproof
RF Main TX/RX 1 DIN, round, and waterproof
Diversity TX/RX 1 DIN, round, and waterproof
8.6 Compliance Standards of the DBS3800The DBS3800 complies with the standards of EMC, acoustic noise, working environment,
transportation, storage, and anti-seismic performance.
EMC
The DBS3800 meets the Electromagnetic Compatibility (EMC) requirements and complies with
the following standards:
l R&TTE Directive 1999/5/EC
l 3GPP TS 25.113 V4.4.0 (2002-12)
l ETSI EN 301489-1 V1.2.1 (2000-08)
l ETSI EN 301908-1 V2.2.1 (2003-10)
Acoustic Noise
The Sound Power Level (SPL) of acoustic noise generated by indoor telecommunication
equipment should be lower than 72 dBA, which complies with ETS300 753. The SPL of acoustic
noise generated by DBS3800 components are as follows:
lThe declared SPL of a running BBU3806 is 55 dBA.
l There is no fan in the BBU3806C and RRU3801C. Thus, there is no acoustic noise.
Working Environment
l The working environment of the BBU3806 complies with the following standard:
ETSI EN300019-1-3 V2.2.2 (2004-07) Class 3.1 Temperature-controlled locations
l The working environments of the RRU3801C, BBU3806C, and BTS3803C comply with
the following standards:
– ETSI EN300019-1-4 V2.1.2 (2003-04) Class 4.1 Non-weatherprotected locations
– 3G TS25.141 V3.0.0
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Item Specification
Relative humidity 5% to 100%
Solar radiation Outdoors:≤ 1,120 W/m2
Indoors:≤ 700 W/m2
Thermal radiation ≤ 600 W/m2
Wind speed ≤ 67 m/s
Noise Indoor noise pressure level≤ 60 dBA
Indoor sound power≤ 7.2 bel
Outdoor noise pressure level≤ 65 dBA
Outdoor sound power in daytime≤ 6.1 bel; outdoor sound power
at night≤ 5.6 bel
Dustproof and
waterproof capabilities
Indoors: IP20
Outdoors: IP65
Biological Requirements
The working environment of the DBS3800 should meet the following biological requirements:
l The environment is not conducive for the growth of fungus or mildew.
l There are no rodent animals such as rats.
Air Cleanliness Requirements
The working environment of the DBS3800 should meet the following air cleanness
requirements:
l There is no explosive, conductive, magneto-conductive or corrosive dust in the air.
l The density of the physically active materials meets the requirements described in Table
8-52.
Table 8-52 Requirements for the density of physically active materials
Physically ActiveMaterial
Unit Density
Suspended dust mg/m3 ≤ 0.01
Falling dust mg/(m2h) ≤ 10
Sand mg/m3 There is no visible sand.
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NOTE
l Suspended dust: diameter≤ 75 μm
l Falling dust: 75 μm≤ diameter≤ 150 μm
l Sand: 150 μm≤ diameter≤ 1,000 μm
l The density of the chemically active materials meets the requirements described in Table
8-53.
Table 8-53 Requirements for the density of chemically active materials
Chemically ActiveMaterial
Unit Density
SO2 mg/m3 ≤ 1.50
NH3 mg/m3 ≤ 0.15
Cl2 mg/m3 ≤ 0.30
Mechanical Stress Requirements
Table 8-54 lists the mechanical stress requirements for the working environment of the
DBS3800.
Table 8-54 Mechanical stress requirements
Item Sub-item SpecificationSinusoidal
vibration
(ETSI
requirements)
Offset ≤ 3.5 mm -
Accelerated speed - ≤ 10.0 m/s2
Frequency range 2 Hz to 9 Hz 9 Hz to 200 Hz
Sinusoidal
vibration
(GR63
requirements)
Frequency range: 5−100−5 Hz; accelerated speed: 1.0 x g; scanning
frequency: 0.25 oct/min; triaxial test
Unsteady impact Impact responsespectrum II
≤ 100 m/s2
Static payload 0
Anti-seismic
requirements
Earthquake Frequency range: 0.3 Hz to 50 Hz
Zero Period Acceleration (ZPA): 1.5 x g
30 s
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NOTE
l Impact response spectrum refers to the maximum acceleration response curve generated by the
equipment under the specified impact excitation. Impact response spectrum II means that the duration
of semi-sine impact response spectrum is 6 ms.
l Static payload refers to the capability of the equipment in a packing case to bear the pressure from thetop in normal pile-up method.
8.7.2 Transportation Requirements of the DBS3800
This part describes the transportation requirements of the DBS3800.
Climatic Requirements
Table 8-55 lists the climatic requirements for the transportation environment of the DBS3800.
Table 8-55 Climatic requirements
Item Specification
Altitude ≤ 5,000 m
Air pressure 70 kPa to 106 kPa
Temperature −40°C to +70°C
Temperature change rate ≤ 3°C/min
Relative humidity 5% to 100%
Solar radiation ≤ 1,120 W/m2
Thermal radiation ≤ 600 W/m2
Wind speed ≤ 67 m/s
Waterproofing Requirements
The transportation environment of the DBS3800 should meet the following waterproofing
requirements:
l The packing case is intact.
l The equipment is shaded from the rainwater. Measures are taken to prevent the rainwater
from entering the packing case.
l There is no water on the floor of the transportation vehicle.
Biological Requirements
The transportation environment of the DBS3800 should meet the following biological
requirements:
l The environment is not conducive for the growth of fungus or mildew.
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l There are no rodent animals such as rats.
Air Cleanliness Requirements
The transportation environment of the DBS3800 should meet the following air cleannessrequirements:
l There is no explosive, conductive, magneto-conductive or corrosive dust in the air.
l The density of the physically active materials meets the requirements described in Table
8-56.
Table 8-56 Requirements for the density of physically active materials
Physically ActiveMaterial
Unit Density
Suspended dust mg/m3 -
Falling dust mg/(m2h) ≤ 3.0
Sand mg/m3 ≤ 100
NOTE
l Suspended dust: diameter≤ 75 μm
l Falling dust: 75 μm≤ diameter≤ 150 μm
l Sand: 150 μm≤ diameter≤ 1,000 μm
l The density of the chemically active materials meets the requirements described in Table
8-57.
Table 8-57 Requirements for the density of chemically active materials
Chemically ActiveMaterial
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
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Mechanical Stress Requirements
The transportation environment of the DBS3800 should meet the mechanical stress requirements
listed in Table 8-58.
Table 8-58 Mechanical stress requirements
Item Sub-item Specification
Sinusoidal
vibration
Offset ≤ 7.5 mm - -
Accelerated
speed
- ≤ 20.0 m/s2 ≤ 40.0 m/s2
Frequency
range
2 Hz to 9 Hz 9 Hz to 200 Hz 200 Hz to 500 Hz
Random vibration Spectraldensity of
accelerated
speed
1 m2
/s3
-3 dB Total meansquare root
accelerated
speed: 0.781
GrmsFrequency
range
5 Hz to 20 Hz 20 Hz to 200
Hz
Unsteady impact Impact
response
spectrum II
≤ 300 m/s2
Static payload ≤ 10 kPa
Drop Drop When the mass is less than 20 kg, the free fall is less
than 1.2 m.
When the mass is within the range of 20 kg to 100
kg, the free fall is less than 1.0 m.
When the mass is more than 100 kg, the free fall is
less than 0.25 m.
NOTE
l Impact response spectrum refers to the maximum acceleration response curve generated by the
equipment under the specified impact excitation. Impact response spectrum II means that the duration
of semi-sine impact response spectrum is 6 ms.
l Static payload refers to the capability of the equipment in a packing case to bear the pressure from the
top in normal pile-up method.
8.7.3 Storage Requirements of the DBS3800
This describes the storage requirements of the DBS3800.
Climatic Requirements
Table 8-59 lists the climatic requirements for the storage environment of the DBS3800.
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Table 8-59 Climatic requirements
Item Specification
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%
Solar radiation ≤ 1,120 W/m2
Thermal radiation ≤ 600 W/m2
Wind speed ≤ 50 m/s
Waterproofing Requirements
The equipment is preferably installed indoors. The indoor storage environment should meet the
following waterproofing requirements:
l No water is on the ground of the room. And there is no probability of water entering the
packing case.
l The equipment is stored far away from automatic fire fighting devices or heating facilities.
This prevents water from leaking into the packing case.
If the equipment has to be stored outdoors, the outdoor storage environment should meet the
following waterproofing requirements:
l The packing case is intact.
l The equipment is shielded from the rainwater.
l No water is on the ground. And there is no probability of water entering the packing case.
l The packing case is not exposed to direct sunlight.
Biological Requirements
The storage environment of the DBS3800 should meet the following biological requirements:
l The environment is not conducive for the growth of fungus or mildew.
l There are no rodent animals such as rats.
Air Cleanliness Requirements
The storage environment of the DBS3800 should meet the following air cleanness requirements:
l There is no explosive, conductive, magneto-conductive or corrosive dust in the air.
l The density of the physically active materials meets the requirements described in Table
8-60.
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Table 8-60 Requirements for the density of physically active materials
Physically ActiveMaterial
Unit Density
Suspended dust mg/m3 ≤ 5.00
Falling dust mg/(m2h) ≤ 20.0
Sand mg/m3 ≤ 300
NOTE
l Suspended dust: diameter≤ 75 μm
l Falling dust: 75 μm≤ diameter≤ 150 μm
l Sand: 150 μm≤ diameter≤ 1,000 μm
l The density of the chemically active materials meets the requirements described in Table
8-61.
Table 8-61 Requirements for the density of chemically active materials
Chemically ActiveMaterial
Unit Density
SO2 mg/m3 ≤ 0.30
H2S mg/m3 ≤ 0.10
NO2 mg/m3 ≤ 0.05
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
Mechanical Stress Requirements
The storage environment of the DBS3800 should meet the mechanical stress requirements listed
in Table 8-62.
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Table 8-62 Mechanical stress requirements
Item Sub-item Specification
Sinusoidal
vibration
Offset ≤ 7.0 mm -
Accelerated speed - ≤ 20.0 m/s2
Frequency range 2 Hz to 9 Hz 9 Hz to 200 Hz
Unsteady
impact
Impact response
spectrum II≤ 250 m/s2
Static payload ≤ 5 kPa
NOTE
l Impact response spectrum refers to the maximum acceleration response curve generated by the
equipment under the specified impact excitation. Impact response spectrum II means that the duration
of semi-sine impact response spectrum is 6 ms.
l Static payload refers to the capability of the equipment in a packing case to bear the pressure from the
top in normal pile-up method.
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