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Internal

WCDMA BTS3900

Hardware Structure

BTS3900V200R010

WRAN Training Team

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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.

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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

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BTS3900 Product Description

BTS3900 Hardware Description

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Chapter 1 NodeB Overview

Chapter 2 BTS3900 Hardware Structure

Chapter 3 BTS3900 Typical Configuration

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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 unitUPEU 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

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NodeB Position in UMTS Network

Iu-BC

RNC

RNC

NodeB

NodeB

NodeB

CS

PS

CBC

UE UTRAN CN

Uu IuIu-CS

Iu-PS

Iu-BC

Iur

Iub

Iub

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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 & feeder

subsystem

Transmission

deviceDDF

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Chapter 1 NodeB Overview

Chapter 2 BTS3900 Hardware Structure

Chapter 3 BTS3900 Typical Configuration

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Chapter 2 BTS3900 Hardware Structure

Section 1 BTS3900 Introduction

Section 2 BBU Modules Structure

Section 3 RF Modules Structure

Section 4 Power Modules Structure

Section 5 BTS3900 Cables

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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 ofvoltage

-38.4V DC to -57V DC

+24V: Input range ofvoltage

+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 to240 V AC/415V AC

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

Working Temperature -20+50

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BTS3900 Single Cabinet Full Configuration Structure

+ 24VDC

Single Cabinet

220V AC

Single Cabinet- 48VDC

Single Cabinet

1U

9U

2U

1U

1U

19U

2U

2U

1U

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BTS3900 Stacked Cabinets Full Configuration Structure

3U

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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 functionsRET , HSDPA , HSUPA phase II

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BTS3900 Logical Structure

PSU

RF Module

DCDU

WRFU

RNC

Antenna

Iub

WRFU

BBU

Power

Module

Baseband Transmission

Control module

+24V/220V -48V

Signal Current

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Chapter 2 BTS3900 Hardware Structure

Section 1 BTS3900 Introduction

Section 2 BBU Modules Structure

Section 3 RF Modules Structure

Section 4 Power Modules Structure

Section 5 BTS3900 Cables

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Logical Structure of the BBU3900 Module

TO WRFU

Clock modeSignaling

Processing

Operation&

MaintenancePower mode

E1/T1

FE

Transport

Interface

Transmission

Adaptation

Protocol

Processing

FPProcessing

Codling

Decoding Demodulation

Modulation

Interface

Module

Transport Subsystem Baseband Subsystem

Control Subsystem

External SubsystemOMC

CPRI

RNC

Power

Control

information

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BBU3900 Module Introduction

Mandatory boards and modulesWMPT, WBBP, UBFA, and UPEU

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

Full configuration

Typical configuration

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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

FA

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

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BBU Module --- WMPT Board

Board number

maximum is 2 for one BBU

mandatory board

working in active andstandby

4E1:DB26

IP transmission on

Electrical Port :RJ45

IP transmissionOptical 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 clockProviding USB ports for automatic NodeB

upgraded

Providing transmission port for Iub interface

Providing OM channels

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BBU Module