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GBSS9.0 BTS3900(A) Product
Description
Issue V1.0
Date 2009-06-01
HUAWEI TECHNOLOGIES CO., LTD.
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Copyright Huawei Technologies Co., Ltd. 2009. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without priorwritten consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are the property of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respectiveholders.
Notice
The purchased products, services, and features are stipulated by the commercial contract made between
Huawei and the customer. All or partial products, services, and features described in this document may notbe within the purchased scope or the usage scope. Unless otherwise agreed by the contract, all statements,
information, and recommendations in this document are provided AS IS without warranties, guarantees orrepresentations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents; but all statements, information, and
recommendations in this document do not constitute the warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address: Huawei Industrial BaseBantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: [email protected]
http://www.huawei.com/mailto:[email protected]:[email protected]://www.huawei.com/ -
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Contents
1 Introduction....................................................................................................................................4
1.1 Overview.................. ............................................................... ................................................................ ......... 4
1.2 Benefits .............................................................. ................................................................ .............................. 5
2 System Architecture......................................................................................................................6
2.1 Overview.................. ............................................................... ................................................................ ......... 6
2.2 BBU3900 ............................................................ ............................................................... .............................. 6
2.3 RFU.......................... ............................................................... ................................................................ ......... 8
2.4 GATM ...................................................... ............................................................... ....................................... 10
2.5 BTS3900(A) Cabinets............................................................. ................................................................ ....... 11
3 Products and Applications ........................................................................................................15
3.1 Typical Application Scenarios.................. ............................................................... ....................................... 15
3.2 Portfolio and Application of Fourth-Generation BTSs................................................................................... 17
4 Technical Specifications ............................................................................................................19
4.1 RF Specification....................................... ................................................................ ...................................... 19
4.2 Input Power........................................................ ................................................................ ............................ 20
4.3 Power Consumption...................................................... ................................................................ ................. 21
4.4 Specification of the Equipment............................................................. ......................................................... 22
4.5 Environment Specification............ ................................................................ ................................................. 24
5 Abbreviations ..............................................................................................................................26
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1 Introduction1.1 Overvi
ei takes the lead in developing the
The BTS3900 and BTS3900A consist of two basic modules. Flexible combination of basic
oducts stay unique. As shown in Figure 1-1, theed by compact structure, high integration, low power
ew
In rapidly changing field of mobile communication, there is utmost need for continuous
improvement in the products. The growing trend in mobile communications comprises of aseries of evolution: from GSM to EDGE to EDGE+, and from UMTS to HSPA to HSPA+,
and LTE. To keep pace with the trend, the network operators are forced to increase theCAPEX and optimize the OPEX with the changing technologies, and therefore operators are
currently facing the challenge of merging the multiple network subsystems into a more cost-effective network. The solution is to move towards the convergence of multi-mode networks.
As an innovative and customer-oriented company, Huaw
fourth generation BTSs, which will outclass other base stations to benefit operators withfuture-oriented mobile networks. The BTS3900 GSM and the BTS3900A GSM (hereinafter
referred to as BTS3900 and BTS3900A respectively), are indoor macro BTS and outdoormacro BTS of the fourth-generation BTSs respectively.
modules and cabinets help Huawei prBTS3900 and BTS3900A are characteriz
consumption, and fast deployment.
Figure 1-1BTS3900 and BTS3900A
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1.2 Benefits
Simple Structure and Multi-Mode Convergence
The BTS3900 and BTS3900A have only two types of basic modules. The simplified structurereduces spare parts and saves maintenance cost. The basic modules combined with different
cabinets increases the variety of installation modes, such as separate mode and stack mode.The BTS3900 and BTS3900A can support multiple network modes by sharing one cabinet or
using the same transmission and network management system, thus achieving theconvergence of multi-mode networks.
Broadband Service and Enhanced User Experience
Considerable improvement has been made on the BTS in terms of baseband processing and
internal bandwidth expansion, and support MCS-9 services at all timeslot levels on the air
interface. IP transport is supported on the Abis interface, the transmission bandwidth expands
enormously, which further enhances the user experience.
Low Power Consumption
Thanks to the advanced hardware designs, for example, multi-carrier PA, as well as a series of
software power saving technique, the power consumption of the BTS3900 and BTS3900A is
greatly reduced, which helps in deploying an environment friendly network.
Smooth Evolution and Reduced CAPEX
The BTS3900 and BTS3900A supports smooth evolution to EDGE+. During the evolution, all
the hardware can be reused. The BTS3900 and BTS3900A can also support multiple network
modes by adding RF modules, which helps operators to reduce CAPEX.
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2System Architecture
2.1 Overview
ve a modular design. They have two types of basic modules:
through high-speeA s, is
net, and the BTS3900A cabinets are used forutdoor Radio Frequency Cabinet (RFC), Advanced
up Cabinet (BBC), and Transmission Cabinet (TMC).
2.2 BBU39
en the BTS and the BSC.
intenance (OM) and signal
nce Terminal (LMT) or
2.2.1 Appear
The B e 2-1 shows the BBU3900.
The BTS3900 and BTS3900A haBase Band control Unit (BBU3900) and Radio Frequency Unit (RFU), which are connected
d Common Public Radio Interface (CPRI) ports. The GSM Antenna andTM Control module (GATM), an optional module tailored for need in different scenario
used to control the TMA and Remote Electrical Tilt (RET) antenna.
The BTS3900 cabinet is an indoor macro cabioutdoor scenarios, which include the o
Power Module (APM30), Battery Back
00
It is a baseband control unit, responsible for the interaction betweThe BBU3900 performs the following functions:
Signal interaction between the BTS and the BSC
Provides the system clock
Manages the entire BTS system in terms of Operation and Ma
processing
Provides an OM channel connection to the Local MaintenaM2000.
ance of the BBU3900
BU3900 has a case structure. Figur
Figure 2-1BBU3900
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The following boards and module are mandatory for the BBU3900:
he BBU3900.
Figure 2-2Panel of the BBU3900
GTMU: the main control board
FAN: the FAN unit
UPEU: Power moduleThe following boards and module are optional for the BBU3900:
USCU: the Universal Satellite Card and Clock Unit
UEIU: the Universal Environment Interface Unit
Figure 2-2 shows the panel of t
2.2.2 Ports on the B 3900
Table 2-1Ports on the mandatory boards of the BBU3900
BU
Board Port Description
CPRI For communication with the RF module (6 ports)GTMU
E1/T1 Supporting four E1s/T1s
ETH For local maintenance and commissioning
FE0 Electrical port for IP transport over the Abis interface
FE1 Optical port for IP transport over the Abis interface
TST For testing the clock
USB Used for automatic software upgrade through the USB disk
EXT Reserved port
PWR Power supply port
MON0 Supporting one RS485 signal
MON1 Supporting one RS485 signal
EXT-ALM0 Supporting four dry contact alarms
UPEU
EXT-ALM1 sSupporting four dry contact alarm
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Table 2-2Ports on the optiona BU3900l boards of the B
Board Port Description
MON0 Supporting one RS485 signalUEIU
MON1 Supporting one RS485 signal
EXT-ALM0 Supporting four dry contact alarms
EXT-ALM1 Supporting four dry contact alarms
GPS Used for receiving GPS signals
RGPS Used for receiving RGPS signals
TOD0 Used for receiving or transmitting 1PPS+TOD signals
TOD1receiving TOD signals from the M1000Used for receiving or transmitting 1PPS+TOD signals, and
Used for receiving BITS clock signals, supporting adaptive.048 MHz and 10 MHz clock reference source
BITSinput of 2
USCU
1PPS signals from the M1000M-1PPS Used for receiving
2.3 RFU
The RFU lowing functions:
between baseband signals and RF signals
The RFU is classified into following two types:
Double Radio Frequency Unit (DRFU): supports a maximum of two carriers for small-or medium-capacity scenario.
GSM Radio Frequency Unit (GRFU): supports a maximum of six carriers for large-
capacity system.
2.3.1 Appearance of the DRFU
The DRFU, known as the RF module, adopts the double-transceiver technique and installed inthe BTS3900 or BTS3900A. Figure 2-3 shows the DRFU.
performs the fol
Modulation and demodulation
Data processing Signal combination and division
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Figure 2-3DRFU
2.3.2 Ports on the DRFU
Table 2-3Ports on the DRFU
Port Description
ANT1
ANT2
Antenna connector, used to connect the antenna system
CPRI0 Connected to the lower-level RFU in a cascading way
CPRI1 Connected to the BBU directly, or connected to the upper-level RFU in acascading way
PWR Power supply port
RX1 in Input port for diversity signals in antenna channel 1
RX1 out Output port for diversity signals in antenna channel 1
RX2 in Input port for diversity signals in antenna channel 2
RX2 out Output port for diversity signals in antenna channel 2
2.3.3 Appearance of the GRFUThe GRFU, also an RF module, adopts the multi-carrier technology and resides in the
BTS3900 or BTS3900A. Figure 2-4 shows the GRFU.
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Figure 2-4GRFU
2.3.4 Ports on the GRFU
Table 2-4Ports on the GRFU
Port Description
ANT_TX/RXA
ANT_ RXB
Antenna connector, used to connect the antenna system
CPRI0 Connected to the BBU directly, or connected to the upper-level RFU in a
cascading way
CPRI1 Connected to the lower-level RFU in a cascading way
MON Monitoring port
PWR Power supply port
RX_INB Input port for diversity signals in the antenna channel
RX_OUTA Output port for diversity signals in the antenna channel
2.4 GATMThe GATM controls the RET antenna and TMA. When the DRFU is installed in the cabinet,
GATM should be configured if the RET antenna or Tower Mounted Amplifier is selected.
The GRFU controls the RET antenna and TMA. It is no need to configure the GATM whileconfiguring the GRFU.
2.4.1 Appearance of the GATM
The GATM resides in the BTS3900 or BTS3900A. Figure 2-5 shows the GATM.
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Figure 2-5GATM
2.4.2 Ports on the GATM
Table 2-5Ports on the GATM
Port Description
ANT0, ANT2, ANT4 Providing power for the TMA and transmitting control signals forthe RET antenna
ANT1, ANT3, ANT5 Providing power for the TMA
COM1 Connected to the BBU3900
COM2 Providing the extended RS485 port
-48V Power supply port
2.5 BTS3900(A) Cabinets
2.5.1 BTS3900 Cabinet
The BTS3900 cabinet, an indoor macro cabinet, houses the BBU3900 and RFUs. A singleBTS3900 cabinet accommodates a maximum of six RFU. The BTS3900 cabinet supports the
following functions:
Power distribution and surge protection
-48 V DC power input
+24 V DC and 220 V AC power inputs if configured with different power modules
Figure 2-6, Figure 2-7, and Figure 2-8 show the internal structure of the BTS3900 cabinets
with different power inputs.
Figure 2-6-48 V DC BTS3900 cabinet
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Figure 2-7+24 V DC BTS3900 cabinet
Figure 2-8220 V AC BTS3900 cabinet
2.5.2 RFC
The RFC houses the RFUs and provides the functions such as power distribution and surge
protection. The RFC works in direct-ventilation mode to dissipate heat, and it can beconfigured with a maximum of six RFUs. Figure 2-9 shows the internal structure of the RFC.
Figure 2-9Internal structure of the RFC
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2.5.3 APM30
The APM30 provides -48 V DC power and backup power to the outdoor macro BTS provides
installation space for the BBU3900 and other devices. It dissipates heat by using thebreathable film and fans. The APM30 has a compact and lightweight design. It can be
equipped with built-in 24 Ah batteries. The APM30H(Ver.A)(hereinafter referred to asAPM30H), which can be installed in the areas of poor air quality, dissipates heat based on the
heat exchange system and two air circulation fans. Figure 2-10 shows the internal structure of
the APM30/APM30H.
Figure 2-10Internal structure of the APM30/APM30H
Table 2-6Technical specifications of the APM30/APM30H
Item Description
Dimensions
(H x W x D)
700 mm x 600 mm x 480 mm (excluding the base)
Weight (excluding
batteries and userdevices)
APM30: < 65 kg
APM30H: < 76.5 kg
Working
temperature
-40C to +50C
The AC heat exchanger is required if the temperatureis below -20C.
Engineering
specifications
Relative humidity 5% RH to 100% RH
Input voltage 176 V AC to 290 V ACAC input
Frequency 45 Hz to 65 Hz
Output voltage -48 V DCDC output
Quantity of DC
outputs
30 A: 4
12 A: 2
4 A: 4
Installationspace
With the 48 V 24
Ah built-in batterygroup
Providing 3 U space for installation
1 U= 44.45mm
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Without built-inbatteries
Providing 5 U space for installation
2.5.4 BBC
The BBC is installed if long-time power backup is required. The BBC, characterized by smallsize and easy transport design, can be used outdoors, and it works in direct-ventilation mode
to dissipate heat.
The BBC supports the maximum DC backup power of 48 V 184 Ah with built-in batteries.Figure 2-11 shows the internal structure of the BBC.
Figure 2-11Internal structure of the BBC
2.5.5 TMC
The TMC is configured if additional transmission space is required. Small sized and easy to
transport, TMC can be installed outdoors, and it dissipates heat by using the breathable filmand fans. The BBU3900 can be installed in the TMC.
The TMC provides a space of 11 U for installing user devices. Figure 2-12 shows the internal
structure of the TMC.
Figure 2-12Internal structure of the TMC
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3Products and Applications
3.1 Typical. The -48 V BTS3900 cabinet can be stacked on top of
another -48 V BTS3900 cabinet; Figure 3-1 shows the single BTS3900 and two BTS3900s in
r macro BTS in telecom industry, the
nd small footprint. It can also support
mode
Application ScenariosThe BTS3900 can be installed indoors
stack mode. Renowned as the most compact indoo
BTS3900 features large capacity, high scalability, aGSM+UMTS dual-mode application.
Figure 3-1BTS3900 and two BTS3900s in stack
For outdoor installation scenarios, the outdoor macro BTS (BTS3900A) is used. The RFU isinstalled in the RFC, and the BBU3900 is installed in the APM30 or TMC. Table 3-1
00A. Figure 3-2, Figure 3-3, and Figure 3-4C+RFC, APM30+RFC+BBC, and APM30+
R
T al configuration
describes the typical configuration of the BTS39shows the product portfolio of APM30+RFC, TM
FC +TMC+BBC.
able 3-1Typic of BTS3900A
on DescriptionConfigurati
APM30+RFC h) for 20 minutesSix RFU: power backup (24 A
TMC+RFC Providing installation space for user devices and no backup
power
The site supplies DC power.
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Configuration Description
APM30+RFC+BBC Six RFU: power backup (184 Ah) for 5 hours
APM30+RFC+TMC+BBC Six RFU: power backup (184 Ah) for 4 hours (if the power
consumption of the TMC is less than 200 W)
Figure 3-2APM30+RFC
Figure 3-3TMC+RFC
Figure 3-4APM30+RFC+BBC
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Figure 3-5APM30+RFC+TMC+BBC
3.2 Portfolio and Application of Fourth-Generation BTSsBy providing various product forms of fourth-generation BTSs to cater the demand fornetwork deployments in different scenarios, Huawei provides operators with a comprehensive
total network solution. Huawei fourth-generation BTSs consist of the indoor macro BTS(BTS3900), outdoor macro BTS (BTS3900A), distributed BTS (DBS3900), and compact
BTS (BTS3900E).
The BTS3900 applies to indoor installation scenarios where population density is high, trafficis large, lease expense for equipment rooms is high, and space is limited. The BTS3900A
applies to outdoor installation scenarios in urban, suburb, and rural areas where large-capacityand wide coverage is required. The DBS3900 applies to outdoor scenarios where wide
coverage is required and site construction is difficult. The BTS3900E applies to indoorcoverage and coverage in hotspot areas. Figure 3-6 shows the applications of the Huawei
fourth-generation BTSs.
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Figure 3-6Portfolio and application of fourth-generation BTSs
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4 Technical Specifications4.1 RF Specification
T peciable 4-1RF S fication of the DRFU
Item Specification
Frequency band RX freque
(MHz)
ncy band ncy bandTX freque
(MHz)
EGSM 900 MHz 880915 925960
PGSM 900 MHz 890915 935960
Supportedfrequencyband
GSM 1,800 MHz 1,7101,785 1,8051,880
Capacity aximum of 12 carriers, and a single cell4 carriers
imum o2.
A single cabinet supports a msupports a maximum of 2 .
A single site supports a max f 36 carriers and a maximumconfiguration of S12/12/1
Outputpower
900 MHz (GMSK/8PSK)
bined: 45 W/30
0 W/14 W
47 W
PSK)
ombined
Combined: 1
PBT: 63 W/4
Uncom
Combined: 2
W Unc
PBT: 71 W/
1,800 MHz (GMSK/8
: 40 W/26 W
8 W/12 W
2 W
Receive
independency
Two-way receive
diversity
Four-way receive
diversityReceiverspecification
-113 dBm -116 dBm -118.5 dBm
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Table 4-2RF Specification of the GRFU
Item Specification
Frequency band RX frequency band
(MHz)
TX frequency band
(MHz)
EGSM 900 MHz 880915 925960
PGSM 900 MHz 890915 935960
1,7101,755 1,8051,850GSM 1,800 MHz
1,7401,785 1,8351,880
1,8501,890 1,9301,970
Supported
frequencyband
GSM 1,900 MHz
1,8701,910 1,9501,990
Capacity A single cabinet supports a maximum of 36 carriers, and a single cellsupports a maximum of 24 carriers.
A single site supports a maximum of 72 carriers and a maximumconfiguration of S24/24/24.
900 MHz/1800 MHz/1900 MHz (GMSK/8PSK)Outputpower
With power sharing:
3 TRX: 31 W/20 W
4 TRX: 27 W/17 W
5 TRX: 20 W/13 W
6 TRX: 16 W/10 W
Without power sharing:
3 TRX: 27 W/17 W
4 TRX: 20 W/13 W
5 TRX: 12 W/8 W
6 TRX: 10 W/6.6 W
Receive independency Two-way receive diversityReceiverspecification
-113 dBm -116 dBm
3GPP TS 45.005 V8.2.0 multicarrier BTS class 2 requirementRF Standard
4.2 Input PowerTable 4-3Input Power
Item Specification
Input power -48V DC; Voltage range: -38.4 V DC to -57 V DC
+24V DC; Voltage range: +21.6 V DC to +29 V DC
110V AC; Voltage range: 90 V AC to 135 V AC
220V AC; Voltage range: 176 V AC to 290 V AC
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4.3 Power Consumption
4.3.1 Power Consumption of the BTS3900
Table 4-4Power Consumption (DRFU)
Item Specification
Configuration Typical value (W)
S2/2/2, 900 MHZ, TOC=45 W 750
S4/4/4, 900 MHZ, TOC=20 W 1,140
S2/2/2, 1,800 MHZ, TOC=40 W 750
Powerconsumption
S4/4/4, 1,800 MHZ, TOC=18 W 1,150
NOTE
The typical power consumption is measured with a 30% load.
Table 4-5Power Consumption (GRFU)
Item Specification
Configuration Typical value (W)
S4/4/4, 900 MHz, TOC=20 W 860
S6/6/6, 900 MHz, TOC=16 W 840
S4/4/4, 1,800 MHz/1,900 MHz, TOC=20 W 880
Powerconsumption
S6/6/6, 1,800 MHz/1,900 MHz, TOC=16 W 910
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4.3.2 Power Consumption of the BTS3900A
Table 4-6Power Consumption (DRFU)
Item Specification
Configuration Typical value (W)
S2/2/2, 900 MHz, TOC=45 W 930
S4/4/4, 900 MHz, TOC=20 W 1,510
S2/2/2, 1,800 MHz, TOC=40 W 920
Powerconsumption
S4/4/4, 1,800 MHz, TOC=18 W 1,490
Table 4-7Power Consumption (GRFU)
Item Specification
Configuration Typical value (W)
S4/4/4, 900 MHz, TOC=20 W 970
S6/6/6, 900 MHz, TOC=16 W 950
S4/4/4, 1,800 MHz/1,900 MHz, TOC=20 W 990
Powerconsumption
S6/6/6, 1,800 MHz/1,900 MHz, TOC=16 W 1,030
4.4 Equipment Specification
Table 4-8Equipment specification of BTS3900
Item Specification
Four E1s/T1s, one FE electrical port, and one FE optical portTransmissionports
900 mm x 600 mm x 450 mmDimensions
(H x W x D)
Weight Empty cabinet: 57 kg
Cabinet in full configuration: 132 kg
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Table 4-9Equipment specification of BTS3900A
Item Specification
Four E1s/T1s, one FE electrical port, and one FE optical portTransmission
ports
700 mm x 600 mm x 480 mmDimensions
(H x W x D)
Weight RFC:
Empty cabinet: 58 kg
Cabinet in full configuration: 118 kg
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GBSS9.0 BTS3900(A) Product Description
Issue V1.0 (2009-06-01)Huawei Proprietary and Confidential
Copyright Huawei Technologies Co., Ltd.Page 24 of 26
4.5 Environment Specification
Table 4-10Environment Specification for BTS3900
Item Specification
-20C to +55C (Short-term : +50C to +55C)Temperature
5% RH to 95% RHRelativehumidity
70 kPa to 106 kPaAir pressure
IP20Protectiondegree
ETSI EN 300019-1-1 Class 1.2: Weather-protected, not temperature-
controlled storage locations
Storage
environment
Transportenvironment
ETSI EN 300019-1-2 Class 2.3: Public transportation
EMC The BTS3900 meets the Electromagnetic Compatibility (EMC)requirements and complies with the following standards:
CISPR 22(2003)
CISPR 24(1998-09+ A1:2001 A2:2003)
ETSI 301 489-1 V1.5.1 (2004)
FCC 47CFR Part15 (2006)
IEC61000-4-2 IEC61000-4-3
IEC61000-4-4
IEC61000-4-5
IEC61000-4-6
IEC61000-4-29
99.9994%Availability
MTBF DRFU: 161,000 hours
GRFU: 167,000 hours
1 hourMTTR
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GBSS9.0 BTS3900(A) Product Description
Issue V1.0 (2009-06-01)Huawei Proprietary and Confidential
Copyright Huawei Technologies Co., Ltd.Page 25 of 26
Table 4-11Environment Specification for BTS3900A
Item Specification
-40C to +55C (Short-term : +50C to +55C)Temperature
5% RH to 100% RHRelativehumidity
70 kPa to 106 kPaAir pressure
IP55Protectiondegree
ETSI EN 300019-1-1 Class 1.2: Weather-protected, not temperature-controlled storage locations
Storageenvironment
Transportenvironment
ETSI EN 300019-1-2 Class 2.3: Public transportation
EMC The BTS3900A meets the Electromagnetic Compatibility (EMC)requirements and complies with the following standards:
CISPR 22(2003)
CISPR 24(1998-09+ A1:2001 A2:2003)
ETSI 301 489-1 V1.5.1 (2004)
FCC 47CFR Part15 (2006)
IEC61000-4-2
IEC61000-4-3
IEC61000-4-4
IEC61000-4-5
IEC61000-4-6
IEC61000-4-29
99.9991%Availability
MTBF DRFU: 106,000 hours
GRFU: 109,000 hours
1 hourMTTR
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GBSS9.0 BTS3900(A) Product Description
5Abbreviations
Abbreviation Expansion
APM Advanced Power Module
BBC Battery Backup Cabinet
BBU Baseband control Unit
CPRI Common Public Radio Interface
DRFU Double Radio Frequency Unit
GATM GSM Antenna and TMA control Module
GRFU UnitGSM Radio Frequency
GTMU GSM Transmission &Timing & Management Unit for BBU
LTE Long Term Evolution
MTBF Mean Time Between Failures
MTTR Mean Time to Recovery
LMT Local Maintenance Terminal
PBT Power Boost Technology
PMU Power and Environment Monitoring Unit
RFC Radio Frequency Cabinet
RFU Radio Frequency Unit
TMC Transmission Cabinet
TOC Transmit Power at the Top of Cabinet
UEIU Universal Environment Interface Unit
UPEU Universal Power and Environment Interface Unit
USCU Universal Satellite Card and Clock Unit