U-LI 001 WCDMA BTS3900 Hardware Structure-20080910-A-1.0

HUAWEI TECHNOLOGIES CO., LTD.

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WCDMA BTS3900 Hardware Structure

BTS3900V200R010

WRAN Training Team

HUAWEI TECHNOLOGIES CO., LTD. All rights reserved

As an important part of UTRAN,

NodeB mainly processes the signals of

physical layer of Uu interface

BTS3900 is a new generation indoor

marco NodeB which is produced by

Huawei Co. Ltd.


Upon completion of this course, you will be able to:

Master the hardware structure of BTS3900

Master the working principle of different subsystems and

boards of BTS3900

Master the cables connection rules of BTS3900

Know typical configurations of BTS3900


《 BTS3900 Product Description 》

《 BTS3900 Hardware Description 》


Chapter 1 NodeB OverviewChapter 1 NodeB Overview

Chapter 2 BTS3900 Hardware StructureChapter 2 BTS3900 Hardware Structure

Chapter 3 BTS3900 Typical ConfigurationChapter 3 BTS3900 Typical Configuration


Abbreviations

WMPT WCDMA Main Processing and Transmission Unit

WBBPa WCDMA Baseband Process unit Type A

WRFU WCDMA Radio Filter Unit

UBFA Universal BBU Fan Unit Type A

UEIU Universal Environment Interface unit

UELP Universal E1/T1 Lighting Protection unit

UFLP Universal FE/GE Lighting Protection unit

UPEU Universal Power and Environment Interface Unit

UAEU Universal ATM over E1/T1 Interface and Processing Unit

UIEU Universal IP Packet over E1/T1 Interface and Processing Unit

UTRP Universal Transmission Processing Unit

DCDU-01 Direct Current Distribution Unit-01

CPRI Common Protocol Radio Interface

PSU The power supply unit

PMU The power and environment monitoring unit

APM Advanced Power Module


NodeB Position in UMTS Network

Iu-BC

RNC

RNC

NodeB

NodeB

NodeB

CS

PS

CBC

UE UTRAN CNUu Iu

Iu-CS

Iu-PS

Iu-BC

Iur

Iub

Iub

Iub


NodeB System Architecture

Environment Monitoring

device

Iub

Uu

UE

RNC

BTS3900 cabinet

O&M terminal

BTS3900 System

power supply system

GPS antenna & feeder system

Clock synchronization source

Internal Clock

Antenna & feedersubsystem

Transmission deviceDDF



Section 1 BTS3900 IntroductionSection 1 BTS3900 Introduction

Section 2 BBU Modules StructureSection 2 BBU Modules Structure

Section 3 RF Modules StructureSection 3 RF Modules Structure

Section 4 Power Modules StructureSection 4 Power Modules Structure

Section 5 BTS3900 CablesSection 5 BTS3900 Cables


BTS3900 Appearance

Type Parameters

Dimensions 600(W)*900(H)*450(D)

Empty cabinet ≤ 70kg

Weight under full

configuration

≤ 160Kg

3*1 and 3*2 Weight ≤ 120Kg

- 48V : Input range of voltage

-38.4V DC to -57V DC

+24V: Input range of voltage

+21.6 V DC to +29 V DC

200 V AC to 240 V AC 200 V AC to 240 V AC 176 V AC to

290 V AC, single-phase

200 V AC/346 V AC to 240 V AC/415V AC

176 V AC/304 V AC to 290 V AC/500 V AC, three-phase

Working Temperature -20℃ ～ +50℃


BTS3900 Single Cabinet Full Configuration Structure

+ 24VDCSingle Cabinet

220V ACSingle Cabinet

- 48VDCSingle Cabinet

1U

9U

2U

1U

1U

19U

2U

2U

1U


BTS3900 Stacked Cabinets Full Configuration Structure

3U


BTS3900 Capacity and Characteristics

System capacity specifications:

BTS3900 can support up to: uplink 1536 CEs and downlink 1536 CEs

BTS3900 can support up to: 3*8 cells or 6*4 cells

Characteristics

Transmission Type: E1/T1, FE (electrical port ), FE (optical port ),

Networking mode: star, chain, tree, ring and hybrid

Synchronization clock sources: Iub interface clock, GPS, and internal clock

Handover types: softer handover, soft handover and hard handover

Services: CS services, PS services , mixed services and position services

Enhanced functions ： RET , HSDPA , HSUPA phase II


BTS3900 Logical Structure

PSU

RF Module

DCDU

WRFU

RNC

Antenna

Iub

WRFU

BBU

Power Module

Baseband TransmissionControl module

+24V/220V -48V

Signal Current


Logical Structure of the BBU3900 Module

TO WRFU

Clock modeSignalingProcessing

Operation&Maintenance

Power mode

E1/T1 FETransport Interface

TransmissionAdaptationProtocolProcessing

FP

Pro

ce

ss

ingCodling

Decoding Demodulation

Modulation

Interface

Module

Transport Subsystem Baseband Subsystem

Control Subsystem

External Subsystem OMC

CPRI

RNC

Power Control information


BBU3900 Module Introduction

Mandatory boards and modules ： WMPT, WBBP, UBFA, and UPEU

The optional boards are the UELP, UFLP, UTRP, and UEIU.

Full configuration

Typical configuration


BBU3900 Module Introduction

Slot

16

Slot 18

Slot 19

SLOT0

SLOT1

SLOT2

SLOT3

SLOT4

SLOT5

SLOT6

SLOT7

Active and standby slot definition only for UTRP board

B

F

A

PEU/

EIU

PEU/

EIU

WBBP

WBBP

WBBP

WBBP

UTRP

UTRP

WMPT

WMPT

Slot boards definition

Board Slot 0 Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7

WMPT available available

UTRP available available available available available available

WBBP available available available available available available

UELP available available

UFLP available available


BBU Module --- WMPT Board

Board number ： maximum is 2 for one BBU

mandatory board

working in active and standby

4E1:DB26

IP transmission on Electrical Port :RJ45

IP transmission Optical signals: SFP

GPS antenna: SMA

Commissioning:RJ45

Loading Testing:USB

LEDs

Main Functions ：Providing OM functions

Controlling other boards in the system and

providing the reference clock

Providing USB ports for automatic NodeB

upgraded

Providing transmission port for Iub interface

Providing OM channels



LEDs of running status of WMPT:

Label Color Status Description

RUN Green ON The board has power input, yet the board is faulty.

OFF The board has no power input.

1s ON, 1s OFF The board is running as configured.

0.125s ON, 0.125s OFF The software is being loaded to the board, or the board is not in use.

ALM Red ON The board is reporting alarms and is faulty.

OFFThe board is running properly.

Blinking The external ports of the board are faulty.

ACT Green ON The board is in active mode.

OFF The board is in standby mode.



LED Color Status Description

LEDs beside the FE1 and FE0 optical port

Green ON The connections are functional.

OFF The connections are faulty.

Yellow Blinking There is ongoing data transmission.

OFF There is no data transmission.

LEDs beside the ETH port

Green ON The connections are functional.

OFF The connections are faulty.

Yellow Blinking There is ongoing data transmission.

OFF There is no data transmission.


BBU Module --- WMPT Board Two DIP Switches :

SW1 for setting the E1/T1 working mode

SW2 for setting the protection ground for the E1.

Settings of SW1

Bit T1 Mode 120-ohm E1 Balanced Mode

75-ohm E1 Unbalanced Mode

1 ON OFF ON

2 ON OFF ON

3 OFF ON ON

4 OFF ON ON

Settings of SW2

Bit 75-ohm E1 Unbalanced Mode

Description

1 ON The RRING is for connected to the protection ground.

2 ON

3 ON

4 ON


BBU Module --- WBBPa Board

Board number ： mandatory board, maximum is 6

Main Functions ： Providing the CPRI interface for communication between the BBU and the

WRRU or WRFU

Processing uplink and downlink baseband signals and support HSUPA and

HSDPA function

Supporting 1+1 backup of the CPRI interface

According to the board chip processing capability, WBBP module include

seven specifications. Current WBBP is the A version, called WBBPa.

CPRI 0~2 (1.25G-2.5G): SFP LEDs


BBU Module --- WBBPa Board LED of running status of board :



OFF The board has no power input or is faulty.

1s ON, 1s OFF The board is running properly.

0.125s ON/OFF Software is being loaded to the board.

ACT Green ON The board is running properly.

OFF The board is not in use.

ALM Red OFF The board is running properly.

ON The board has alarms on hardware and it should be replaced with a new

one.

Blinking The external ports of the board are faulty and should be handled.CPRI0CPRI1CPRI2

RedGreen

OFF normal

ON The CPRI links over the optical cable are faulty.

Blinking at 2 Hz The RRU on the CPRI link is faulty in hardware.

Blinking at 0.5 Hz The RRU on the CPRI link is faulty in the antenna system connection.


BBU Module --- WBBP Board

There are 2 kinds of Baseband card, WBBPa and WBBPb.

The WBBPa support HSDPA (2 ms TTI) and support for HSUPA phase I (10 ms TTI).

The WBBPb support HSDPA (2 ms TTI), and support for HSUPA phase II (2 ms TTI).

Board

Type Cell

Uplink

R99

/HSUPA CE

Downlink

R99 CE HSDPA Capacity

HSDPA

throughput

HSUPA

throughput

WBBPa 3 cells 128 256 45 HS-PDSCH codes 15Mbps 6Mbps

WBBPb1 3 cells 64 64 45 HS-PDSCH codes 15Mbps 6Mbps






STATE Green 0.125s ON,

0.125s OFF

The module is not registered, and no

alarm is reported.

1s ON, 1s OFF The board is running properly.

Red ON The module is reporting alarms.

BBU Module --- UFAN Board

Board number ： mandatory board, maximum is 1

Main Functions ： Controlling the fan speed

Reporting the fan status to the WMPT

Detecting the temperature of the fan board


Panel of the UPEA Panel of the UPEB

BBU Module --- UPEU Board

Board number ： mandatory, maximum is 2, 1+1 backup

Main Functions ： Converting -48 V or +24 V DC power input to +12 V DC power that is supported

by boards

Reporting alarms related to input and output under voltage

Providing transmission ports for RS485 signals and 8 dry contact alarm signals

-48V to +12V +24V to +12V


LED: The UPEU has one LED, indicating the running status of the board.


RUN Green ONThe board is running properly.

OFF The board has no power input, or the board is faulty.

Socket and Port: The UPEU has one socket and four ports.

Label Quantity Connector Type Function

PWR 1 3V3 DC power input

EXT-ALM1 1 RJ45 Transmitting dry contact alarm signals

EXT-ALM0 1 RJ45

MON1 1 RJ45 Transmitting RS485 environment monitoring signalsMON0 1 RJ45

BBU Module --- UPEU Board


The UTRP provides ports for eight E1s/T1s and implements transport such as IP and

ATM between the BBU3900 and the RNC.



OFF The board has no power input or is faulty.

1s ON, 1s OFFThe board is running properly.

0.125s ON, 0.125s OFF Software is being loaded to the board.

2s ON, 2s OFF The board is under test.

ACT Green ON The board is in active mode.

OFF The board is in standby mode.

ALM Red OFF The board is running properly.

ON The board is reporting alarms and is faulty.

BBU Module --- UTRP Board

4 E1:DB26


BBU Module --- UTRP Board Type

WCDMA UTRP extend transmission board

UTRP board should add sub board to provide the different interface type.

WD22UTRP is the main board name. The UTRP has two sub-boards in current version

− UAEU: Eight ATM over E1s/T1s

− UIEU: Eight IP over E1s/T1s

The board in gray table is not be delivered currently.

Transmission Board name

Sub board name

Interface type Interface specification

WD22UEEU WD22UEEC FE/GE electrical board 2*FE/GE (10/100/1000M adaptive)

WD22UEOU WD22UEOC FE/GE optical board 2*FE/GE (10/100/1000M configurated)

WD22UAEU WD22UAEC E1/T1 ATM interface sub board 8* E1/T1

WD22UIEU WD22UPEC E1/T1 IP interface sub board 8*E1/T1

WD22UCPU WD22UCPS Channelization IP optical sub board 1*STM-1

WD22UUPU WD22UUPS Unchanneliazation IP optical sub board 1*STM-1

WD22UCAU WD22UCAS Channelization ATM optical sub board 1*STM-1

WD22UUAU WD22UUAS Unchanneliazation ATM optical sub board 1*STM-1


Label Connector Type

MON0 RJ45

MON1 RJ45

EXT-ALM0 RJ45

EXT-ALM1 RJ45

BBU Module --- UEIU Board

Port : The UEIU has four ports.

Board number: maximum is 1

The UEIU Functions ： Connecting to an external monitoring device and transmitting RS485

signals to the WMPT

Connecting to an external alarm device and transmitting dry contact alarm

signals to the WMPT


BBU Module --- SLPU Board

The auxiliary devices of the

BBU3900. The devices are

the SLPU, UELP, and UFLP

SLPU: The signal lightning

protection unit is an optional

module of the BTS3900

cabinet (-48 V) or the power

distribution cabinet.

The UFLP and the UELP

are optional units that are

installed in the SLPU.

UFLP

UELP


UELP: The universal E1/T1 lightning protection (UELP) unit is a universal E1/T1

The UELP can be optionally installed in the SLPU or the BBU. Each UELP

supports the surge protection of 4-way E1/T1 signals.

E1 Connection:

BBU Module --- UELP Board

DB25 DB26

Indoor DDF

E1

E1


DIP Switch: The UELP has one DIP switch, which is used to select whether the

receive terminal is grounded. The DIP switch has four bits.

DIP Switch

DIP Status Description

1 2 3 4

S1 ON ON ON ON Used for the 75 Ω unbalanced mode

OFF OFF OFF OFF Used for other modes except the 75 Ω unbalanced mode

BBU Module --- UELP Board


UFLP: The universal FE lightning protection (UFLP) board is optionally installed in the

SLPU or BBU. Each UFLP supports 2-way FE surge protection.

BBU Module --- UFLP Board

IP Cable Connection.

Transmission EquipmentLAN switch or Router


RF Module --- WRFU Board

The WRFU consists of the high-speed interface unit, signal processing unit,

power amplifier, and duplex unit



Type Label Connector Type Description

Port for transceiving RF signals

ANT-RXD N series female connector

Connecting the antenna subsystem

ANT-TX/RXM

N series female connector

CPRI CPRI_W SFP female connector

Connecting the BBU, or the upper-level WRFU during the cascading

CPRI_E SFP female connector

Connecting the lower-level WRFU during the cascading

Interconnection port for RF receive signals

LNA1-IN QMA female connector

Input port of diversity signals in the antenna channel

LNA0-OUT QMA female connector

Output port of diversity signals in the antenna channel

Power port POWER 3V3 power connector

Introducing power

Commissioning port COM RJ45 connector Used for commissioning


Identifier Status Meaning

RUN On The power input is normal, but the module is faulty.

Off There is no power input, or the module is faulty.

On for 1 second and off for 1 second The module is functional.

On for 0.125 second and off for 0.125 second

The module is loading software or is not started.

ALM On The module is in the alarm status.

Off No alarm is generated.

TX_ACT On The module is functional and is connected to the BBU.

Off The module is not connected to the BBU.

On for 1 second and off for 1 second The module is in the local test status.

VSWR Off (red) No VSWR alarm is generated.

On (red) A VSWR alarm is generated.

CPRI_WCPRI_E

On (green) The CPRI link is normal.

On (red) The interface module fails to receive signals.

Red LED on for 1 second and off for 1 second

The CPRI link is out of lock.




RF specifications:

One WRFU supports four carriers

Each carrier’s maximum output power of WRFU is 80W

The receive sensitivity of single antenna is better than -125.8dBm

The receive sensitivity of two antennas is better than -128.6dBm

The maximum searching ability is 200km

The maximum access search radius is configurable with the step size of 300 m

Configuration Type (No

Transmit Diversity)

Transmit Diversity

Power (W)/Carrier

Typical Power

Consumption (W)

Maximum Power

Consumption (W)

3*1 20 520 630

3*2 20 610 830

3*3 20 810 1070

3*4 20 1020 1330


Power Distribution Modes of the BTS3900

- 48 V DC Distribution



+24 V DC Distribution



220 V AC Distribution


- 48V Cabinet Power Module --- DCDU-01 Board

Function

The DCDU-01 supports one -48 V

DC power input and ten -48 V DC

power outputs

The DCDU-01 supplies power to

the BBU, WRFU, FAN, and user

devices inside cabinets

The DCDU-01 has the built-in

surge protector, which supports

the surge protection capability of

the differential mode of 10 kA and

the common mode of 15 kA

- 48V DCSingle Cabinet


- 48V Cabinet Power Module --- DCDU-01 Board

Name Label Description

Power input

wiring terminal

NEG(-) -48 V NEG input wiring terminal

RTN(+) -48 V RTN input wiring terminal

Power output

port

SPARE2, SPARE1,

BBU, FAN, and RFU5-

RFU0

RFU0 to RFU5 supplying power to six WRFUs

BBU supplying power to the BBU

FAN supplying power to the FAN

SPARE1 and SPARE2 reserved

Power switch SPARE2, SPARE1,

BBU, FAN, and RFU5-

RFU0

RFU0 to RFU5 controlling the ON/OFF of the current of

six WRFUs

BBU controlling the ON/OFF of the current of the BBU

FAN controlling the ON/OFF of the current of the FAN

SPARE1 and SPARE2 controlling the ON/OF of the

current on the SPARE1 and SPARE2 power output ports

Alarm output port SPD ALM DUDU-01 dry contact alarm output port


+24V Power Subrack --- PSU (DC/DC) Board

+ 24V DC Single Cabinet

Function Converting +24 V DC power to -48 V DC power and leading the -48 V DC power

to the DCDU Monitoring alarms related to module faults ,alarms related to module protection

and power out-of-position alarm

(1) Power running LED

(2) Protection LED

(3) Fault LED


220V AC Power Subrack --- PSU(AC/DC) Board

(1) Power running LED

(2) Protection LED

(3) Fault LED

220V AC Single Cabinet

Function The power subrack consists of the PMU, PSU (AC/DC) and the wiring unit of the

power subrack (220 V). The power subrack (AC/DC) converts the 220 V AC power to the -48 V DC power.


220V AC Power Subrack --- PSU(AC/DC) Board

LED Color Status Meaning

Power running LED

Green On Normal

Off There are faults (such as no AC input, or overvoltage and undervolt

age of AC input) on the mains, or the PSU has no output.

Protection LED

Yellow Off Normal

On Temperature pre-alarm or fan pre-alarm

Fault LED Red Off Normal, or the PSU has no output because of faults (such as no A

C input, or overvoltage and undervoltage of AC input) on the mains.

On There is no output because of output overvoltage shutdown, fan fau

lt, overtemperature shutdown, remote shutdown, or internal proble

ms of the PSU.


220V AC Power Subrack --- PMU Board

The power and environment monitoring unit (PMU) is the unit for monitoring the

power and the environment. The PMU provides perfect power system management,

power distribution detection, and alarm report functions.

(1) LEDs (2) Power supply test ports

(3) RS232/RS422 port (4) Battery control switches

(5) COM port

(1) Backplane port (2) DIP switch



Identifier Color Status Meaning

RUN Green On for 1 second and

off for 1 second

The module is functional, and the communication with the

main control unit is normal.

On for 0.125 second

and off for 0.125

second

The module runs normally but the communication with the

main control unit fails.

If the PMU does not communicate with the main control

unit for one minute, the communication fails. In this

situation, the RUN LED blinks four times every second.

On/Off The PMU is faulty (not in the power-on self-check state).

ALM Red On The following alarms are reported:Mains overvoltage or undervoltage alarmBusbar overvoltage or undervoltage alarmPower module alarmLoad shutdown alarm

Off No alarm is generated.



Port Purpose

RS232/RS422 port Communicating with the main control unit

Battery control

switch

The battery control switch has two control ports ON and OFF, which are

used for powering on and off the battery.Press and hold the port ON for 5s to 10s until the battery is powered on.Press and hold the port OFF for 5s to 10s until the battery is powered off.

CAUTION: You need to insert a small round bar into the hole when you operate the

battery control switch. When you hear a crack, the battery is powered on

or off.To operate the battery control switch on the front panel of the PMU, insert

a small round pole into the hole.

Power supply test

port

Two power supply test holes -48 V and 0 V are available for measuring po

wer voltages through an ordinary multimeter.

COM port Connecting the external signal transfer board

Backplane port Connecting the backplane



DIP Switch: The DIP switch is

located on the rear panel of the

PMU. The DIP switch has eight

bits, which are set to OFF before

delivery.

Bit 3 Bit 2 Bit 1 Bit 0 Monitoring Address

0 0 0 0 0000

0 0 0 1 0001

0 0 1 0 0010

0 0 1 1 0011

0 1 0 0 0100

0 1 0 1 0101

0 1 1 0 0110

0 1 1 1 0111

1 0 0 0 1000

1 0 0 1 1001

1 0 1 0 1010

1 0 1 1 1011

1 1 0 0 1100

1 1 0 1 1101

1 1 1 0 1110

1 1 1 1 1111


FAN Unit

The FAN unit refers to the fan box. The FAN unit provides the functions of ventilation

and heat dissipation for cabinets. One FAN unit has four independent fans.

Type Label Connector Type Description

Power port -48 V 3V3 power connector Introducing the -48 V DC power

Temperature sensor port SENSOR RJ45 connector Connecting the external temperature sensor

Communication port COM OUT RJ45 connector Cascading the lower-level FAN module

COM IN RJ45 connector Connecting the main control unit


BBU3900 Cable Connection


Cables --- PGND Cable

PGND Cable

OT terminal

Name Color Cross-Sectional Area One End Is Connected to ... The Other End Is Connected to ...

PGND cable of the BTS3900 WCDMA cabinet

Green and yellow

The cross-sectional area of a wire is 25 mm2.

PGND terminal on the right side of the cabinet

External grounding bar of the cabinet

PGND cable of the DCDU

Green and yellow


PGND terminal on the right side of the DCDU panel

PGND terminal on the right side of the cabinet

Front door PGND cable

Green and yellow


PGND terminal at the front door of the cabinet

PGND terminal in the cabinet


Cables --- Power Cable

Power Cable Between the DCDU,BBU,FAN and WRFU


Cables --- Transmission Cable

E1 Cable

FE Surge Protection Transfer CableE1 Surge Protection Transfer Cable

FE Cable


Cables --- CPRI Cable

This describes the CPRI electrical cable. It helps to implement high speed

communication between the BBU3900 and the WRFU.

Appearance : The CPRI electrical cable is an SFP high speed transmission

cable that has a SFP200 male connector at each end.

One End The Other End

CPRI port on the WBBP CPR1_W port on the WRFU


Configuration Types of the BTS3900

The BTS3900 supports omni-directional, 2-sector, 3-sector, and 6-sector configuration

s. It also supports smooth capacity expansion from 1x1 to 3x8.

This part illustrates the configuration type of the BTS3900 by taking the WBBPa suppor

ting three cells and the WRFU supporting the 80W/4 carrier as an example.

www.huawei.com

Thank You

U-LI 001 WCDMA BTS3900 Hardware Structure-20080910-A-1.0

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Transcript of U-LI 001 WCDMA BTS3900 Hardware Structure-20080910-A-1.0