5-OWK100101 BTS3812E Hardware System Structure ISSUE4.1

8/6/2019 5-OWK100101 BTS3812E Hardware System Structure ISSUE4.1

1/71

HUAWEI TECHNOLOGIES CO., LTD.

All rights reserved

www.huawei.com

Internal

OWK100101 BTS3812E Hardware

System Structure

ISSUE 4.1


2/71

HUAWEI TECHNOLOGIES CO., LTD. Page 2All rights reserved

As an important part of UTRAN,

NodeB mainly processes the physicallayer of the signals of Uu interface

BTS3812E is an indoor macro NodeB

which is produced by Huawei Co. Ltd.


3/71


Upon completion of this course, you will

be able to:

Explain the hardware structure ofBTS3812E

Detail the working principle of different

subsystems and boards of BTS3812E

Detail the signal flow in BTS3812E

List the typical configurations of

BTS3812E


4/71


5/71


Chapter 1 BTS3812E OverviewChap

ter 1 BTS3812E Overview

Chapter 2 BTS3812E Hardware StructureChapter 2 BTS3812E Hardware Structure

Chapter 3 BTS3812E Typical ConfigurationChapter 3 BTS3812E Typical Configuration


6/71


Chapter 1 BTS3812E OverviewChap

ter 1 BTS3812E Overview

Section 1 StructureSection 1 Structure

Section 2 PerformanceSection 2 Performance


7/71HUAWEI TECHNOLOGIES CO., LTD. Page 7All rights reserved

NodeB in UMTS Network

Iu-BC

RNC

RNC

NodeB

NodeB

NodeB

CS

PS

CBC

UE UTRAN CN

Uu Iu

Iu-CS

Iu-PS

Iu-BC

Iur

Iub

Iub

Iub


8/71HUAWEI TECHNOLOGIES CO., LTD. Page 8All rights reserved

NodeB System Architecture

Environment

Monitoringdevice

Iub

-48V

Uu

UE

RNC

BTS3812E cabinet

O&M terminal

BTS3812E System

-48V DC power

supply system

GPS antenna & feeder system

Clock synchronization source

External reference clock

Antenna & feeder

subsystem

Transmission

device


9/71


BTS3812E Hardware Composition

Baseband subrack

Busbar

FAN subrack

MTRU subrack

MAFU subrack


10/71


Chapter 1 BTS3812E OverviewChapter 1 BTS3812E Overview

Section 1 StructureSection 1 Structure

Section 2 PerformanceSection 2 Performance


11/71


BTS3812E Appearance

Dimensions: 1400mm(H)*600mm(W)*600mm(D)

Weight under full configuration:

205kg

The maximum powerconsumption:

1960W

Working voltage:

-48V DC/24V DC/220V AC


12/71


BTS3812E Capacity & Coverage

System capacity:

Each cell can support up to:128 equivalent voice channels with

rate of 12.2Kbit/s

Each cabinet can support up to:12 cellsEach sector can support up to:4 carriers

Coverage ability:

Each carriers maximum output power of MTRU is:40W

The receive sensitivity of single antenna is better than:-126.2dBm

The receive sensitivity of two antennas is better than:-129.0dBm


13/71


BTS3812E Characteristics

Transmission Type: E1/T1, STM-1, FE( Fast Ethernet )

Networking mode: star, chain, tree and hybrid

Synchronization clock sources clock extracted from

Iub interface, GPS, external clock and local free-run

Handover types: softer handover, soft handover andhard handover

Services: CS (circuit domain) services, PS (packet

domain) services , mixed services and position services

Enhanced functions RET (Remote Electric Tilt),

HSDPA (High Speed Downlink Packet Access), HSUPA

(High Speed Uplink Packet Access), MBMS( Multimedia

Broadcast and Multicast Service)


14/71






15/71



Sector 1 Logical StructureSector 1 Logical Structure

Sector 2 Control SubsystemSector 2 Control Subsystem

Sector 3 Transport SubsystemSector 3 Transport Subsystem

Sector 4 Baseband SubsystemSector 4 Baseband Subsystem

Sector 5 RF SubsystemSector 5 RF Subsystem

Sector 6 Antenna & Feeder SubsystemSector 6 Antenna & Feeder Subsystem

Sector 7 Power Supply & Lightning ProtectionSector 7 Power Supply & Lightning Protection

Sector 8 Signal FlowSector 8 Signal Flow


16/71


BTS3812E Logical Structure

Transport

Subsystem

Control Subsystem

Baseband

Subsystem

RF

SubsystemRNC antenna

BTS3812E cabinet


17/71












18/71


Control Subsystem

Composition

NodeB Main Processing & Timing unit (NMPT)

NodeB MONitor unit (NMON)

N

C

C

U

1 2 3 4 50 6 7 8 9 10 11 12 13 14 15 16 17

N

M

O

N

H

B

B

I

H

B

B

I

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

D

L

P

H

D

L

P

N

M

P

T

N

M

P

T

N

U

T

I

N

U

T

I

N

D

T

I

/

N

U

T

I

N

D

T

I

/

N

U

T

I


19/71


Control SubsystemNMPT

Board number maximum configuration number is 2 working in active and standbymode

Slot number: 10,11

Types of NMPT with/without GPS card

Main FunctionsManaging the entire NodeB

Processing various kinds of signaling

Providing system clock signals

Connecting to a maintenance terminal directly


20/71



RUN

COM

ETH

ALM

ACT

10M

FCLK

GPS

RST

NMPT

Label

Indicator Color State Meaning

RUN Green ON There is power input, but the NMPT is faulty

OFF There is no power input or the NMPT isfaulty

Flashing at 0.5 Hz The NMPT is functional under currentconfiguration

Flashing fast at 4 Hz Software is being loaded to the NMPT, orthe NMPT is not configured

ALM Red OFF The NMPT is functional

ON /Flashing at ahigh frequency

The NMPT is in alarm status

ACT Green ON The NMPT is active

OFF The NMPT is in standby mode


21/71



Port Function

10M Test port for the 10 MHz master clock

FCLK Test port for Transmission Time Interval (TTI) frame synchronization

signals

GPS Port for GPS clock signals

RST Hardware reset button

ETH Ethernet port for maintenance

COM Serial port for debugging

RUN

COM

ETH

ALM

ACT

10M

FCLK

GPS

RST

NMPT

Label


22/71


Control SubsystemNMON

Board number

optionalmaximum configuration number is 1Slot number: 16

Main Functions

Providing 32-line input and 7-line output interfaces for theNodeB to monitor other equipments

Adjusting and controlling the RET through the MAFU


23/71


Control SubsystemNMON


RUN Green ON There is power input, but the NMON isfaulty

OFF There is no power input or the NMON isfaulty

Flashing at 0.5 Hz The NMON is functional under currentconfiguration

Flashing at 4 Hz Software is being loaded to the NMON or

the NMON is not configured

ALM Red OFF The NMON is functional

ON/Flashing at ahigh frequency

The NMON is in alarm status

ACT Green ON The NMON is working

OFF The NMON software is not activated

Port Function

MON Boolean input or output port

RET RET signal control port


24/71












25/71


Transport Subsystem

CompositionNodeB Digital Trunk Interface unit (NDTI)

NodeB Universal Transport Interface unit (NUTI)

N

C

C

U

1 2 3 4 50 6 7 8 9 10 11 12 13 14 15 16 17

N

M

O

N

N

D

T

I

/

N

U

T

I

H

B

B

I

H

B

B

I

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

D

L

P

H

D

L

P

N

M

P

T

N

M

P

T

N

U

T

I

N

U

T

I

N

D

T

I

/

N

U

T

I


26/71


Transport SubsystemNDTI

Board Number

Maximum configuration number is 2Slot 12,13

Interfaces of Board 8 pairs of E1/T1 ports

Main Functions Transferring data between the NodeB and the RNC

Providing E1/T1s to transmit ATM cells in IMA mode and UNI mode

Extracting clock signals from the Iub interface and provides clock reference for the

entire NodeB


27/71


Transport SubsystemNDTI


RUN Green ON Power input is available but theboard is faulty

OFF Power input is unavailable or the

board is faultyFlashing at 0.5 Hz The board is operational under

current configuration

Flashing at 4 Hz Software is being loaded or theboard is not configured

ALM Red OFF The board is operationalON / Flashing at ahigh frequency

The board is in an alarm status

ACT Green ON The board is operational

OFF The board software is not started


28/71


Transport SubsystemNDTI The NDTI provides nine DIP switches numbered from S3 to S11

For informing the software S11 selects the E1 or T1 work modeand the matched impedance of the E1/T1 cables

Hardware setting

S3 to S6 are used to set the matched impedances

S7 to S10 are used to set the grounding status and reserved

S3

S7

1

S5

S4

1

S6

S8

1

S9

1

S10

1

S11

1

ON

1

1

1

ON ON

ON

ON

ON

ON

ON

ON


29/71


Transport Subsystem NUTI

Board Number

maximum configuration number is 3Slot 12,13,14,15

Interfaces of Board

8 E1/T1s and 2 electrical FE ports on each NUTI

Main Functions

Transferring data between the NodeB and the RNC

Supporting both ATM transport and IP transport

Supporting 2 types of sub-boards:

Universal E1 transport sub-board:

Eight E1 electrical ports

STM-1 transport sub-board:

One channelized STM-1 optical ports

Two unchannelized STM-1 optical ports

Note: At present, slot 14, 15 in the baseband subrack supports only the NUTImounted with a subrack for cabling from the front


30/71




RUN Green ON Power input is available but the board isfaulty

OFF Power input is unavailable or the board isfaulty

Flashing at 0.5 Hz The board is operational under currentconfiguration

Flashing at 4 Hz Software is being loaded or the board is

not configured

ALM Red OFF The board is operational

ON / Flashing at ahigh frequency

The board is in an alarm status


OFF The board software is not started

Port Function

FE 0 Ports for trafficThe two ports are connected to the transmission device and then to the

RNC.The two ports are used to transmit and receive data at 100 Mbit/sFE 1


31/71



The NUTI provides one DIP switches

For informing the software: eight E1/T1s support only one type of the matched impedance

Digits 1 and 2 are in use, and digits 3 and 4 are reserved. S11 informs the software of

the matched impedance setting for the E1/T1 cable

S11 ON

1


32/71








Sector 6 Antenna & Feeder SubsystemSector 6 Antenna & Feeder SubsystemSector 7 Power Supply & Lightning ProtectionSector 7 Power Supply & Lightning Protection



33/71


Baseband Subsystem

Composition

NodeB HSDPA Baseband processing and Interface unit (HBBI)NodeB HSDPA supported Uplink Processing Unit (HULP)

NodeB HSDPA supported Down Link Processing Unit (HDLP)

N

C

C

U

1 2 3 4 50 6 7 8 9 10 11 12 13 14 15 16 17

N

M

O

N

H

B

B

I

H

B

B

I

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

D

L

P

H

D

L

P

N

M

P

T

N

M

P

T

N

U

T

I

N

D

T

I

/

N

U

T

I

N

U

T

I

N

D

T

I

/

N

U

T

I


34/71


Baseband SubsystemHBBI

Board Number

Maximum configuration number is 2

Slot 0,1

Main Functions

The HBBI interfaces the RF subrack with the baseband subrack

Process up to 128 CE equivalent voice channels for uplink, 256 CE fordownlink and support up to 3 cells

Form the uplink resource pool with HULPs

Form the downlink resource pool with HDLPs


35/71


Baseband SubsystemHBBIIndicator Color State Description

RUN Green ON The power input is operational but the board is

faulty

OFF There is no power input or the board is faulty


Flashing at 4 Hz Software is being loaded or the board is notconfigured


ON /Flashingat a highfrequency

The HBBI is in alarm status


OFF The HBBI software is not activated

Port Function

CPRIA Both CPRIA and CPRIB have three CPRI ports, and each port connects to oneMTRU

The two ports connect to the BBIF0 or BBIF1 on the six MTRU panels throughcables

CPRIB


36/71


Board Number Maximum configuration number is 2Slot 0,1

Main Functions

The HBOI provides an interface between the RRU and the baseband subrack

in the basic cabinetProcess up to 128 CE equivalent voice channels for uplink, 256 CE for

downlink and support up to 3 cells

Form the uplink resource pool with HULPs

Form the downlink resource pool with HDLPs

Baseband SubsystemHBOI


37/71


Baseband SubsystemHBOI

Indicator Color State Description

RUN Green ON The power input is operational but the board isfaulty

OFF There is no power input or the board is faulty


Flashing at 4 Hz Software is being loaded or the board is notconfigured


ON /Flashing at ahigh frequency

The HBOI is in alarm status


OFF The HBOI software is not activated

Port Function

OPT0/1/2 Optical ports 0 to 2 connect optical cables and transmit the RRUsignals


38/71


Baseband SubsystemHULP

Board Number

maximum configuration number is 6

Slot 2~7

Main Functions

Each HULP can process 128 equivalent voice channels and support 3 cells

On the data plane, the HULP processes UL baseband data in the NodeB, including

demodulation of common transport channels and dedicated channel, channel

estimation, rake receiving, softer combining, and decoding

On the control plane, the HULP completes the signaling process from the NMPT,

transmits data such as feedback information, power control, and access

information to the HDLP, processes AAL2 traffic data, and sends the data to the

NUTI/NDTI


39/71


Baseband SubsystemHDLP

Board Number


Slot 8,9

Main Functions

Each HDLP can process 512 equivalent voice channels and support 6 cells

Encoding and modulating the user plane data from the NUTI/NDTI

Receiving the control plane data from the NMPT for signaling process such

as measurement

Receiving power control signals from the HULP for TX diversity control and

DL power control


40/71











41/71


RF Subsystem

Composition

NodeB Multi-carrier TRansceiver Unit (MTRU)

Multicarrier Antenna Filter Unit (MAFU)

NBBIMTRU MTRU MTRU MTRU MTRU MTRU

1 2 3 4 50

MAFU MAFU MAFU MAFU MAFU MAFU

1 2 3 4 50


42/71


RF SubsystemMTRU

Board Number


Main Functions

UL/DL conversion, signal amplification, filtering, A/D conversion, D/A conversion,

digital intermediate frequency conversion, digital pre-distortion

Each MTRU has one Tx channel and two Rx channels and supports bi-carrier

processing

When configure 50W amplifier the maximum output power is 40W


43/71


RF SubsystemMTRU


RUNGreen

ON The version is being checked or versioncheck fails

OFF There is no power input; the MTRU is faulty;or the number assigned for the slot hostingMTRU is invalid

Flashingat 0.5 Hz

The MTRU is functional under currentconfiguration

Flashingat 4 Hz

Software is being downloaded or uploaded;the MTRU is being initialized, or the MTRUinitialization fails

ALM Red OFF The MTRU is functional.

ON The MTRU is in alarm status

ACT Green ON Version check succeeds and the TX channel

is physically switched on

OFF The version is being checked or versioncheck fails

Flashingat 0.5 Hz

Version check succeeds and the TX channelis physically switched off


44/71


RF SubsystemMTRU

Port Function

COM Communication port between the MAFU and the MTRU

TX RF TX port

RXA Primary RF RX port

RXB Diversity RF RX portBBIF0 Communication port between MTRU and NBBI or HBBI

BBIF1 Communication port between MTRU and NBBI or HBBI

PWR Port for power supply and board position identification


45/71


RF SubsystemMAFU

Board Numbermaximum configuration number is 6

Main Functions

Receiving RF signals from antenna and transmitting RF signals to antenna

Supplying power to RET and TMA through feederReceiving the AISG signals from NMON, and sending them to RET through

feeder

Monitoring the Voltage Standing Wave Ratio (VSWR) of the antenna system


46/71


RF SubsystemMAFU


PWR Green OFF Power supply fails

ON Power supply is normal

ALM Red OFF No alarm related to LNA or ALD current is reported

ON Alarms related to LNA or ALD current are reported

VSWR Red OFF No VSWR alarm is reported

ON VSWR alarms are reported

Port Function

RET Connects to the RET port on the NMON panel through cablesTransmits the RET control signals

TEST_TX/RXA Test port

RXA0, RXA1 Output port for the primary RX channel

RXB Output port for the RX diversity channel

TX TX signal input port

PWR/COM Power and communication port


47/71


RF Subsystem 32 Configuration

HBBI 0

MTRU0ANT ATx

Rx0

Rx1

Tx

Duplexer

Sp

lite

rRx0

Rx1 LNA

Rx2 LNAANT B

MAFU0

HBBI 1

MTRU4ANT A

Tx

Rx0

Rx1

Tx

Dup

lex

er

Sp

lit

erRx0

Rx1 LNA

Rx2LNA

ANT BMAFU4

MTRU2ANT A

Tx

Rx0

Rx1

Tx

Dupl

exer

Sp

lite

rRx0

Rx1 LNA

Rx2LNA

ANT BMAFU2

Sector 0

Sector 2

Sector 1

RX Filter

RX Filter

RX Filter


48/71


49/71




Sector 2 Control SubsystemSector 2 Control SubsystemSector 3 Transport SubsystemSector 3 Transport Subsystem






50/71


Antenna and Feeder Subsystem

Antenna

NTTA

Antenna

stand

Jumper

Jumper Feeder

Jumper

NodeB

cabinet


51/71


Feeder

Rules of choosing Feeders :

7/8" feeders used for the distance shorterthan 40 m

5/4" feeders used for the distance longer

than 40 m

1/2" super-flexible cables are used to

connect:

Antennas and main feeders

Antennas and TMAs Cabinet and main feeders


52/71




Sector 2 Control SubsystemSector 2 Control SubsystemSector 3 Transport SubsystemSector 3 Transport Subsystem






53/71


Power Supply

Fan

M

AF

U

M

AF

U

M

AF

U

M

AF

U

M

AF

U

M

AF

U

M

T

R

U

M

T

R

U

M

T

R

U

M

T

R

U

M

T

R

U

M

T

R

U

N

C

C

P

PWR

PWR/

COM

PWR

P7

P8

P9

P10

P11

P12

P13

P14

P15

P15

P14P13P12P10P9P8

P7.1P7.2P7.3P7.4P7.5P7.6

P11

PWR


54/71


Lightning Protection

45 degree 45 degree

antenna

Tower Feeder

lightning

arrester

grounding clip

grounding clip

outdoor grounding bar

grounding point

indoor protecting ground

copper bar

lightning

arrester

NodeB


55/71


56/71


BTS3812E Logical Structure

HBBI

HULP

NDTI/

NTTA

Antenna

NTTA

Antenna

RNC

Transport

Subsystem

BTS3812E cabinet

RF

SubsystemBasebandSubsystem

Control

Subsystem

MTRU

Rx0

Rx1

Tx PA

Rx path0

Rx path1

Tx path

MAFU

Dup

lexer

HDLP

NMPT

NMON

NUTI


57/71


H

D

L

P

N

D

T

I

MT

R

U

MA

F

U

H

B

B

I

Uu

RNC

Iub

NodeB Cabinet

UE

Antenna

Feeder

N

D

T

I

H

B

B

I

Uu

RNC

Iub

NodeB Cabinet

UE

Antenna

Feeder

MA

F

U

MT

R

U

Signal Flow of Downlink Services


58/71


59/71


Signal Flow of Signaling Processing

NodeB Cabinet

NMPT

NDTI/

NUTI

HDLP

HULP

MAFU

HBBI

MTRU

NDTI/

NUTI

RNC


60/71






61/71


Input and Output of NodeB Configuration

Input of NodeB Configuration (network planning parameters):

Number of sectors

Number of carriers, transmit power of each carrier

Number of tributary channels in transmit diversity mode

Number of tributary channels in receive diversity mode

Maximum number of CEs that the NodeB supports

Output of NodeB Configuration (hardware configuration parameters):

Number of boards

Layout of the slots

Connection between the boards

Routes between signals


62/71


Configuration Principles

Basic principles:

Minimum number of trunk cables

Minimum number of feeders and

antennasMinimum number of modules

Add HBBI first when expanding capacity

If not specified, boards of the same type

shall be inserted in slots in an ascendingslot number sequence


63/71


Configuration PrincipleControl Subsystem

NMPT

Types of NMPT: with or without GPS card

Numbers of NMPT: 1 without backup 2with backup

NMON

Numbers of NMPT: optional, can be

configured at most 1


64/71


Configuration PrincipleTransport Subsystem

NDTI

NUTI

Different sub-boards are configured according the need, and E1/T1

should outlet from the front panel in the NUTI in shot 14 and 15

IMA mode UNI mode

Number of E1s Traffic flow / 1,859,000 Traffic flow / 1,920,000

Number of E1 cables Number of E1s / 4 Number of E1s / 4

Number of NDTIs Ceil (number of E1s / 8)


65/71


66/71


Configuration PrincipleRF Subsystem

MTRU

Must configure at least one , up to six Each MTRU can support bi-carriers processing

MAFU

Number of MAFU Number of MTRU


67/71


11 Configuration

Configuration Requirements2-way receive diversity

No transmit diversity

The output power on

cabinet top is 40 W/carrier

No cascading

NBBIMTRU

MAFU

NFAN

Air inlet

Wireholder

b

u

s

ba

r

NM

ON

NC

CU

HB

BI

HB

BI

NM

PT

NM

PT

ND

TI


68/71


31 Configuration

Configuration Requirements

2-way receive diversity


The output power on cabinet

top is 40 W/carrier

No cascading

NBBIMTRU MTRU MTRU

MAFU MAFU MAFU

NFAN

Air inlet

Wireholder

b

u

s

b

a

r

NM

ON

NC

CU

HB

BI

HB

BI

HU

LP

HD

LP

NM

PT

NM

PT

ND

TI

ND

TI


69/71


32 Configuration

Configuration Requirements2-way receive diversity


The output power on cabinet

top is 20 W/carrier

No cascading

NBBIMTRU MTRU MTRU

MAFU MAFU MAFU

NFAN

Air inlet

Wireholder

b

u

s

b

ar

NMO

N

NCC

U

HBB

I

HBB

I

HUL

P

HUL

P

HUL

P

HUL

P

HDL

P

HDL

P

NMP

T

NMP

T

NDT

I

NDT

I


70/71


34 Configuration

Configuration Requirements

2-way receive diversity


The output power on cabinet top

is 20 W/carrier

No cascading

NBBIMTRU MTRU MTRU MTRU MTRU MTRU

MAFU MAFU MAFU MAFU MAFU MAFU

NFAN

Air inlet

Wireholder

b

u

s

b

a

r

NMON

NCCU

HBBI

HBBI

HULP

HULP

HULP

HULP

HULP

HULP

HDLP

HDLP

NMPT

NMPT

NDTI

NDTI


71/71

www.huawei.com

Thank You

5-OWK100101 BTS3812E Hardware System Structure ISSUE4.1

Documents

Transcript of 5-OWK100101 BTS3812E Hardware System Structure ISSUE4.1