ZXG10 BTS V2

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OBJECTIVESOBJECTIVES

• To understand the System structure and functions of the ZXG10-BTS V2

• To discover important features and technologies of ZXG10 BTS V2


BTS

BSC

MSC

VLR HLR AuC EIR

PSTN,ISDN...

OMCOMC

NMCX.25 links

GSM interfaces

Voicemail Server

SM-SC

MS (Mobile Station)

BSS (Base Station System)

NSS (Network Switching Subsystem)

OMM (Operations & Maintenance Management)

MS

GENERAL NETWORK ARCHITECTURE

GSM SYSTEMGSM SYSTEM


ZXG10 BSS STRUCTUREZXG10 BSS STRUCTURE

BTSBIE

BIE

BTS SM SM TC

BSC

MSC

OMC-RMS

Um

Abis Q3

BS Interface

Ater A

SGSN

Gb


BTS HARDWARE PRINCIPLEBTS HARDWARE PRINCIPLE

BSC

O

M

U

B

P

U

R

F

U

A

P

U

P D U

Abis Interface

Data Link

System

Clock

System

Clock

Control

signal

Demodulated

Signal

Modulated

Signal

RR

Signal

Um Interface


ZXG10-BTS(V2)ZXG10-BTS(V2)System ArchitecSystem Architec

tureture


ZXG10-BTS V2General Description

• Capacity: 12 TRX Per Rack.• Power output: 40W/80W• Receive sensitivity: -108dBm• Largest site type: S12/12/12 or O36

(3 cabinets, 40W)• Largest site type: S6/6/6 or O18

(3 cabinets, 80W)• Max. Power consumption : ~2200W• Grounding Resistance : <5 ohm• Rack Dimension : 1600mm×600mm×550

mm (H x W x L)• Power Supply: +24V or –48V• Environment Temperature: -5℃~ +55℃• Relative Humidity: 15% ~ 85%• Weight: ~300kg (Complete product)• Application : Indoor type macro cell


BTS HARDWARE CONFIGURATIONBTS HARDWARE CONFIGURATION

BSC

CMM

PDM

FCM

TRM 1

TRM 6

TRM 12

.

.

.

.

.

.

.

.

AEM

Abis

MMIUm



1. CMM:Controller & Maintenance Module

2. TRM:Transceiver Module

3. AEM:Antenna Equipment Module

4. FCM:Fan Control Module

5. PDM:Power Distribute Module

MAIN MODULES OF ZXG10 –BTS V.2



TPU Tranceiver Processing UnitRCU Radio Carrier UnitPAU Power Amplifier UnitCDU Combiner Distribution UnitRDU Receiver Distribution UnitCEU Combiner Extension Unit

CONTROLLER AND MAINTENANCE MODULE

TRM

AEM

FAN CONTROL MODULE

POWER DISTRIBUTION MODULE

MAIN MODULES OF ZXG10 –BTS V.2



PDM CMM

CMM

FCM

FCM

FCM

C

D

U

C

D

U

C

D

U

C

D

U

C

D

U

C

D

U

T

R

M

T

R

M

T

R

M

T

R

M

T

R

M

T

R

M

T

R

M

T

R

M

T

R

M

T

R

M

T

R

M

T

R

M

PDM CMM

CMM

FCM

FCM

FCM

C

D

U

C

D

U

C

D

U

C

D

U

C

D

U

C

D

U

S

T

R

G

S

P

A

G

S

T

R

G

S

T

R

G

S

P

A

G

S

P

A

G

S

T

R

G

S

T

R

G

S

P

A

G

S

T

R

G

S

P

A

G

S

P

A

G

Single Rack Figure

40 W80 W


BTS HARDWARE CONFIGURATION BTS HARDWARE CONFIGURATION EXPANSIONEXPANSION

风机层

CMM

CMMPDM

CDU

CDU

TRM

TRM

TRM

TRM

CDU

CDU

TRM

TRM

TRM

TRM

风机层

CDU

CDU

TRM

TRM

TRM

TRM

风机层FCM

FCM

FCM 风机层

CMM

CMMPDM

CDU

CDU

TRM

TRM

TRM

TRM

CDU

CDU

TRM

TRM

TRM

TRM

风机层

CDU

CDU

TRM

TRM

TRM

TRM

风机层FCM

FCM

FCM风机层

CMM

CMMPDM

CDU

CDU

TRM

TRM

TRM

TRM

CDU

CDU

TRM

TRM

TRM

TRM

风机层

CDU

CDU

TRM

TRM

TRM

TRM

风机层FCM

FCM

FCM

BTS#1BTS#3 BTS#2


CMM HARDWARECMM HARDWARE

Indicator Light Test Reset


CMM MODULE FUNCTIONSCMM MODULE FUNCTIONS

1. BS interface functions

2. Providing various clocks needed by BS

3. Remote operation & maintenance function of BTS

4. Local operation & maintenance functions of BTS

5. Equipment alarm collection

6. Active/standby hot backup


CMM MODULE STRUCTURECMM MODULE STRUCTURE

Relay array

Line interface

Sw

itching unit

BS

interface

Clock unit

Environmentmonitoring unit

Main

controllerunit

Master/slaveinterface unit

MMI unit

Power supplyunit

CLKCLK-ref

BS interface unit

Abis TO TRM


EXTERNAL INTERFACES OF CMM (1)EXTERNAL INTERFACES OF CMM (1)

• Abis interface

• Data/clock interface between the rack at the same site

• Data/clock interface inside a rack (from CMM to TRM)

• Test interfaces

• Panel interface


EXTERNAL INTERFACES OF CMM (2)EXTERNAL INTERFACES OF CMM (2)

• External environment monitoring interface

• Active/standby interfaces

• MMI

• Power interface

• Site ID collection interface


DIPSWITCH OF CMM (1)DIPSWITCH OF CMM (1)

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

INDOOR SYN CHANEL_NO BTS_NO SLAVE1_PORT SLAVE2_PORT SATE ABIS_PORT ABIS_TS



INDOOR: type of BTS (0-indoors, 1-outdoors)

SYN: Network synchronization reference clock source (0-clock extracted from the E1 interface, 1-SDH synchronization clock)

CHANEL_NO: selection of on-site monitoring equipment ports (00-RS232 interface used to connect the transparent path, 01-RS422 interface used to connect the transparent path, 10-RS232 interface used to connect the main control unit)

BTS_NO: rack No. in the same site (00-master rack, 01-slave rack 1, 10-slave rack 2)

SLAVE1_PORT: master rack E1 port used to connect slave rack 1 (00-master rack C port, 01-master rack D port, 10-master rack E port, 11-master rack F port)



SLAVE2_PORT: master rack E1 port used to connect slave rack 2 (00-master rack C port, 01-master rack D port, 10-master rack E port, 11-master rack F port)

SATE: whether to use the satellite Abis link (0 indicates the ordinary Abis, and 1 indicates the satellite Abis)

ABIS_PORT: O&M port No. (00-port A, 01-port B, 10-port C, 11-port D)

ABIS_TS: O&M LapD timeslots on Abis interfaces (000-Ts16, 001-Ts31, 010-Ts30, 011-Ts29, 100-Ts28, 101-Ts27, 110-Ts26, 111-Ts25);


TRM INTRODUCTION TRM INTRODUCTION

TRM

TX

RX

RXDRST

发射

接收

分集接收

把手

指示灯

复位

Indicator light

Receiver

Transmitter

Reset

handle

Diversity Receiver


TRANCEIVER MODULE 40W and 80WTRANCEIVER MODULE 40W and 80W


TRM INTRODUCTION TRM INTRODUCTION

RCU

PAU

AEMTPU

Uplink Signal

Check Signal

Downlink Signal

Antenna


TRM PANEL DESCRIPTIONTRM PANEL DESCRIPTION

CategoryWorking

band Name Description

TRM (40W)

GSM900 or EGSM900 TRMG

It works in GSM900 or EGSM900 band

GSM1800 TRMD It works in GSM1800 band

TRM (80W)

GSM900 or EGSM900

STRGIt works in GSM900 or EGSM900

band

SPAG It works in GSM900 band


ANTENNA EQUIPMENT MODULE (AEM)ANTENNA EQUIPMENT MODULE (AEM)

TRM GROUP AEM

Tx

Rx

RxD


ANTENNA EQUIPMENT MODULE TYPESANTENNA EQUIPMENT MODULE TYPES

• Combiner Distribution Unit (CDU)

• “D” Combiner Distribution Unit (DCDU)

• “E” Combiner Distribution Unit (ECDU)

• Combiner Extension Unit (CEU)

• Receiver Distribute Unit (RDU)


INTRODUCTION OF CDU (1)INTRODUCTION OF CDU (1)

VSWR_meter

ANT

RTE

forward reverse

Alarms

optional

DuplexerCable

Cable

Rx_in

Tx_out

RX1

RX2

RX3RX4

ERX1

ERX2LNA_Splitter

Alarms

TX1

TX250ohm

Hybird_combiner


INTRODUCTION OF CDU (2)INTRODUCTION OF CDU (2)

1 to 4 Divider

2 to 1 Combiner

DUPLEXER

CDU (Combiner Distribution Unit)

Ext Receive

RX1

CDU

TEST

ANT

TX1

TX2

RX2

RX3

RX4

EX1

EX2

Combiner Input

Indicator

Divider Output

Divider Ext Output

Antenna

Test Port


INTRODUCTION OF DCDUINTRODUCTION OF DCDU

VSWR_meter

ANT

RTEforward reverse

Alarms

optional

DuplexerCable

Cable

Rx_in

RX1

RX2

LNA_Splitter

Alarms

ITX


INTRODUCTION OF ECDUINTRODUCTION OF ECDU

VSWR_meter

ANT

RTEforward reverse

Alarms

optional

Duplexer Cable

Cable

Rx_in RX1

RX2

LNA_Splitter

Alarms

ITX

Rx_filterANTD Cable Rx_inLNA_Splitter

Alarms

RXD1

RXD2


INTRODUCTION OF RDU (1)INTRODUCTION OF RDU (1)

RTE

Rx_filter

50ohm

ANT Cable Rx_in RX1

RX2

RX3

RX4

ERX1

ERX2LNA_Splitter

Alarms


INTRODUCTION OF RDU (2)INTRODUCTION OF RDU (2)

RX1

RDU

ANT

RX2

RX3

RX4

EX1

EX2

分路器输出

分路器输出扩展

天线

指示灯Indicator light

Distribution Extension Output

Distribution Output

Antenna


INTRODUCTION OF CEU (1)INTRODUCTION OF CEU (1)

To CDU TX1

RX1

RX2

RX3

RX4

ERX1

ERX2

Rx_Splitter

TX1

TX250ohm

Hybird_combiner

To CDU TX2 TX3

TX450ohm

Hybird_combiner


INTRODUCTION OF CEU (2)INTRODUCTION OF CEU (2)

CEU (Combiner Extension Unit)

1 to 2 Divider

2 to 1 Combiner

1 to 2 Divider

2 to 1 CombinerRX1

CEUTX1

TX2

RX2

RX3

RX4

EX1

EX2

OTX1

TX3

TX4

OTX2

Indicator

Divider Output

Divider Ext Output

Combiner Input

Combiner Output


ZXG10-BTS V.2 AEM CONFIGURATIONZXG10-BTS V.2 AEM CONFIGURATION

Sum of Carrier

(one cell)

Sum

of CDU

Sum

Of

CEU

1 2 0

2 2 0

3 2 0

4 2 0

5 2 1

6 2 1

Sum of Carrier

(one cell)

Sum

of

CDU

Sum

of

CEU

7 2 2

8 2 2

9 4 1

10 4 1

11 4 2

12 4 2


ZXG10-BTS V.2 BASIC CONFIGURATIONZXG10-BTS V.2 BASIC CONFIGURATION

TX/RX TX/RX

TRM1TX RX RXD

TRM2TX RX RXD

TRM4TX RX RXD

CDUTX1 TX2 RX1 RX2 RX3 RX4

CDUTX1 TX2 RX1 RX2 RX3 RX4

TRM3TX RX RXD

O4



TX/RX TX/RX

TRM6TX RX RXD

CDUTX1 TX2

RX1RX2RX3RX4EX2EX1

CEUTX1 TX2 RX1 RX2 RX3 RX4TX3 TX4

OTX1 OTX1 EX1 EX2 CEUTX1 TX2 RX1 RX2 RX3 RX4TX3 TX4

OTX1 OTX1 EX1 EX2

TRM8TX RX RXD

TRM7TX RX RXD

TRM5TX RX RXD

TRM2TX RX RXD

TRM1TX RX RXD

TRM4TX RX RXD

TRM3TX RX RXD

CDUTX1 TX2 EX2EX1

RX1RX2RX3RX4

O8



TX1TX2RX1RX2RX3RX4EX1EX2



TX1TX2

RX1RX2RX3RX4

EX1EX2

TX4TX3

OTX1OTX2

TX1TX2

RX1RX2RX3RX4

EX1EX2

TX4TX3

OTX1OTX2

CDU

CDU

CDU

CEU

CEU

TRM1 RXRXD

TX

TRM2 RXRXD

TX

TRM3 RXRXD

TX

TRM4 RXRXD

TX

TRM5 RXRXD

TX

TRM6 RXRXD

TX

TRM7 RXRXD

TX

TRM8 RXRXD

TX

TRM9 RXRXD

TX

TRM10 RXRXD

TX

TRM11 RXRXD

TX

TRM12 RXRXD

TX

TX/ RX

TX/ RX

TX/ RX


CDU

TX/ RX

注：天线为两副极化天线

O12


FAN CONTROL MODULE FUNCTIONSFAN CONTROL MODULE FUNCTIONS

• Temperature monitoring

• Fan control and inspection

• Communication with TRM


PDM POWER SUPPLY MODULEPDM POWER SUPPLY MODULE

PDM

FCM

Backplane of the carrier shelf

CMMbackplane


BTS V.2 POWER CONSUMPTIONBTS V.2 POWER CONSUMPTION

TRM: 140W

AEM: 70W

CMM(2): 20W

Fans and others: 80W

One frame when full configuration: 700W

One rack when full configuration＜ 2200W


TOP CONFIGURATIONTOP CONFIGURATION


INTERFACE AND COMMUNICATIONINTERFACE AND COMMUNICATION

External Monitoring

System

BSC

Tower Mounted Amplifier

M Interface

Abis Interface

MMI Interface

Um Interface

B Interface

Interface of the tower amplifier system


FRAME STRUCTURE OF Abis INTERFACEFRAME STRUCTURE OF Abis INTERFACE

1 ： 1 multiplexing

SYNC ： Synchronous time slot

TRX ： LAPD signaling channel of radio carrier

OMU ： LAPD channel of OMU, mainly includes configuration and O&M information of all BTSs

TCH ： Traffic channel, occupying 2 bits, 16kb/s

TS 0 1 2 3 4 5 6 70 SYNC1 TRX12 TCH0 TCH1 TCH2 TCH33 TCH4 TCH5 TCH6 TCH74 TRX25 TCH0 TCH1 TCH2 TCH36 TCH4 TCH5 TCH6 TCH77 TRX38 TCH0 TCH1 TCH2 TCH39 TCH4 TCH5 TCH6 TCH7

10 TRX411 TCH0 TCH1 TCH2 TCH312 TCH4 TCH5 TCH6 TCH713 TRX514 TCH0 TCH1 TCH2 TCH315 TCH4 TCH5 TCH6 TCH716 O+M117 TRX618 TCH0 TCH1 TCH2 TCH319 TCH4 TCH5 TCH6 TCH720 TRX721 TCH0 TCH1 TCH2 TCH322 TCH4 TCH5 TCH6 TCH723 TRX824 TCH0 TCH1 TCH2 TCH325 TCH4 TCH5 TCH6 TCH726 TRX927 TCH0 TCH1 TCH2 TCH328 TCH4 TCH5 TCH6 TCH729 O+M430 O+M331 O+M2


FRAME STRUCTURE OF Abis FRAME STRUCTURE OF Abis INTERFACEINTERFACE

1 ： 4 multiplexingTS 0 1 2 3 4 5 6 7

0 SYNC1 TRX1 TRX2 TRX3 TRX42 TCH0 TCH1 TCH2 TCH33 TCH4 TCH5 TCH6 TCH74 TCH0 TCH1 TCH2 TCH35 TCH4 TCH5 TCH6 TCH76 TCH0 TCH1 TCH2 TCH37 TCH4 TCH5 TCH6 TCH78 TCH0 TCH1 TCH2 TCH39 TCH4 TCH5 TCH6 TCH7

10 TRX5 TRX6 TRX7 TRX811 TCH0 TCH1 TCH2 TCH312 TCH4 TCH5 TCH6 TCH713 TCH0 TCH1 TCH2 TCH314 TCH4 TCH5 TCH6 TCH715 TCH0 TCH1 TCH2 TCH316 O+M17 TCH4 TCH5 TCH6 TCH718 TCH0 TCH1 TCH2 TCH319 TCH4 TCH5 TCH6 TCH720 TRX9 TRX10 TRX11 TRX1221 TCH0 TCH1 TCH2 TCH322 TCH4 TCH5 TCH6 TCH723 TCH0 TCH1 TCH2 TCH324 TCH4 TCH5 TCH6 TCH725 TCH0 TCH1 TCH2 TCH326 TCH4 TCH5 TCH6 TCH727 TCH0 TCH1 TCH2 TCH328 TCH4 TCH5 TCH6 TCH729 O+M430 O+M331 O+M2

SYNC ： Synchronous time slot

TRX ： LAPD signaling channel of radio carrier

OMU ： LAPD channel of OMU, mainly includes configuration and O&M information of all BTSs

TCH ： Traffic channel, occupying 2 bits, 16kb/s


ZXG10 – BTS VERSION 2 NETWORKZXG10 – BTS VERSION 2 NETWORK

The star networking mode

BSC.

.

.

Site 0

Site 1

Site n



Schematic diagram of chain networking

BSC

Site 0 Site 1 Site 2



Tree Networking Mode

BSC Site 0

Site 1

Site 2

Site n

Site 3

.

.

.


ZXG10-BTS (V2) INTERNETWORKINGZXG10-BTS (V2) INTERNETWORKING

BTS

MSC BSC

BTS

BTS

BTS

BTS

BTS

BTS

BTS


ZXG10-BTS (V2) LINK PROTECTIONZXG10-BTS (V2) LINK PROTECTION

Site1 Site2 Site3

A

B

C

D

A

B

C

D

A

BBSC

ZXG10 BTS V2

Documents

Transcript of ZXG10 BTS V2