Zte ZXSDR BS8908 G060 User Manual

ZXSDRBS8908G060

OutdoorGSMModeMicroBTS

UserManual

V1.00

ZTECORPORATION
NO.55,Hi-techRoadSouth,ShenZhen,P .R.China
Postcode:518057
Tel:[phone]
Fax:[phone]
URL:http://ensupport.zte.com.cn
E-mail:[e-mail]

LEGALINFORMATION

Copyright©2011ZTECORPORA TION.

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TheultimaterighttointerpretthisproductresidesinZTECORPORATION.

RevisionHistory

RevisionNo.RevisionDateRevisionReason

R1.020101030Firstedition

R1.120110425Updated

SerialNumber:SJ-20101104174421-001

PublishingDate:20110425(R1.1)

Contents

Chapter1SystemOverview......................................................................1-1

1.1SystemBackground...........................................................................................1-1

1.2SystemPosition.................................................................................................

1.2.1SystemPositioninNetwork.......................................................................

1.2.2SystemPositioninDistributedBaseStation...............................................

1.3CabinetAppearance...........................................................................................1-4

1.4ProductFeatures................................................................................................1-5

1.5ServicesandFunctions......................................................................................

1.6OperationandMaintenance................................................................................1-6

Chapter2SystemIndices..........................................................................2-1

2.1PhysicalIndicesofRRU.....................................................................................2-1

2.2RadioPerformanceIndices.................................................................................

2.3InterfaceandTransmissionIndices......................................................................

Chapter3SystemStructureandPrinciples.............................................

3.1StructureandLayout..........................................................................................3-1

3.1.1ExternalInterfaces...................................................................................3-1

3.1.2EquipmentIndicators................................................................................3-2

3.2HardwareSubsystem.........................................................................................3-4

1-1

1-1

1-3

1-5

2-2

2-2

3-1

3.2.1HardwareArchitecture..............................................................................3-4

3.2.2ModuleFunctions.....................................................................................3-5

3.3SoftwareSubsystem...........................................................................................3-6

3.3.1SoftwareArchitecture...............................................................................3-6

3.3.2SoftwareFunctions...................................................................................

Chapter4NetworkingandConguration................................................4-1

4.1Networking........................................................................................................4-1

4.1.1StarNetworking.......................................................................................4-1

4.1.2CascadingNetworking..............................................................................

4.2Conguration.....................................................................................................4-2

4.2.1CongurationPrinciples............................................................................4-2

4.2.2TypicalCongurations..............................................................................4-2

Chapter5Installation.................................................................................5-1

5.1SafetyInstructions..............................................................................................

5.1.1SafetyInstructionsOverview.....................................................................5-1

I

3-6

4-1

5-1

5.1.2SafetySymbols........................................................................................5-1

5.1.3SafetyInstructionsGuideline.....................................................................5-3

5.2InstallationPreparations.....................................................................................5-5

5.2.1InstallationEnvironmentCheck.................................................................

5.2.2Personnel................................................................................................5-6

5.2.3T oolsandInstrumentsPreparation............................................................

5.3UnpackingandInspection...................................................................................5-8

5.3.1PackingBoxofBS8908............................................................................

5.3.2UnpackingandInspectionFlow.................................................................

5.4InstallationOverview........................................................................................

5.4.1InstallationFlow.....................................................................................5-10

5.4.2HoistingOperationPrecautions................................................................

5.5InstallationModesandInstallationAccessories..................................................5-12

5.5.1InstallingAccessories.............................................................................5-12

5.5.2Wall-MountedInstallationMode...............................................................5-13

5.5.3Pole-MountedInstallationMode..............................................................5-14

5.5.4SlotSteelInstallationModeandEquilateralAngleSteelInstallation

Mode...................................................................................................5-17

5.6R8860Installation............................................................................................5-18

5.6.1InstallingBS8908ontheWall..................................................................5-18

5-5

5-6

5-8

5-9

5-10

5-11

5.6.2Pole-MountedInstallation(withPoleFixingPlate)....................................5-20

5.6.3InstallingCableRack..............................................................................

5.6.4InstallingLightningProtectionBox...........................................................5-27

5.7ExternalCableInstallation................................................................................5-30

5.7.1ExternalCableConnections....................................................................5-30

5.7.2ExternalCableInstallationFlow..............................................................5-32

5.7.3InstallingPowerCable............................................................................5-33

5.7.4InstallingGroundingCable......................................................................5-35

5.7.5InstallingAbisE1Cable..........................................................................5-36

5.7.6InstallingAbisEthernetCable.................................................................

5.7.7InstallingFiberConnectingRRU..............................................................5-39

5.7.8InstallingEnvironmentMonitoringCable..................................................5-40

5.7.9InstallingAISGControlCable..................................................................5-41

5.7.10InstallingGPSCable.............................................................................

5.7.11InstallingAntennaFeederJumper.........................................................5-42

5-25

5-38

5-42

Figures.............................................................................................................I

Tables............................................................................................................III

II

Glossary.........................................................................................................V

III

IV

Chapter1

SystemOverview

TableofContents

SystemBackground...................................................................................................1-1

SystemPosition.........................................................................................................1-1

CabinetAppearance...................................................................................................1-4

ProductFeatures........................................................................................................

ServicesandFunctions..............................................................................................1-5

OperationandMaintenance.......................................................................................

1.1SystemBackground

ZXSDRBS8908istheGSMoutdoormicrobasestation,whichisaproductofZXSDR
seriesbasestationsofZTECorporation.

ZTECorporationhaslaunchedvariousseriesofbasestationstosatisfyoperators'
demands.OftheZTEbasestationsolutions,oneistodividethebasestationintotwo
units:BaseBandUnit(BBU)andRemoteRadioUnit(RRU).BS8908isabasestation
withBBUandRRUbeingintegrated.Itcanworkasanindependentbasestationor
anindependentRRU/BBU.Itfeatureswithsmallvolume,lightweight,andlowpower
consumption.Italsoenjoysexibleinstallationmodessuchastower-topinstallation,
wall-mountedinstallation,andpole-mountedinstallation.

1-5

1-6

1.2SystemPosition

1.2.1SystemPositioninNetwork

TheGSMsystemconsistsoffourparts:BTS,BSC,CN,andMS,asshowninFigure1-1.

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Figure1-1BS8908PositioninGSMNetwork

BTSisresponsibleforprovidingthewirelesscoveragefortheGSMnetwork.Itperforms
thefollowingfunctions:

lMakesMSaccessthenetworkandimplementstheradiolinktransmissionfunction

throughUminterface.

lConnectsBSCthroughAbisinterface,reportsBTSmeasurementinformation,

broadcastssysteminformationprovidedbyBSC,executescommandsissuedbyBSC
suchasaccesscontrolcommand,mobilitymanagementcommand,radioresource
managementcommand,andcontrolcommand,andperformsFPprocessingand
transmissionmanagement.

ABTSinthedistributednetworkingconsistsofBBUandRRU.Thefollowingdescribes
thefunctionsofthetwoparts.

lBBUperformsdigitalbasebandsignalprocessingandcontrolmanagement.
lRRUimplementsconversionbetweenbasebandsignalandanalogRFsignal,which

aretransmittedbetweenBBUandantenna.

lBBUisconnectedwithRRUthroughthebaseband-RFinterface(opticalinterface),

transmittingI/QdigitalbasebandsignalandOAMsignalingdata.

lBBUisconnectedwithBSCthroughAbisinterface.
lRRUisconnectedwithMSthroughUminterface.

BS8908canimplementfunctionsofthefollowingequipments:

lBTS
lRRU
lBBU

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1.2.2SystemPositioninDistributedBaseStation

Functions

BBUandRRUarearrangedasshowninFigure1-2.BBUcontainsthefollowingparts:
basebandprocessing,transmission,andcontrol.TheRFprocessingpartisdesignedin
RRU.

Figure1-2BaseStation(BBU+RRU)

lThebasestationisdividedintoBBUandRRU.OneBBUprovidestheshared

basebandresourceformultipleRRUs.

lBBUperformsdigitalbasebandsignalprocessingandcontrolmanagement.
lRRUimplementsconversionbetweenbasebandsignalandanalogRFsignal,which

aretransmittedbetweenBBUandantenna.

lBBUisconnectedwithRRUthroughthebaseband-RFinterface(opticalinterface),

transmittingI/QdigitalbasebandsignalandOAMsignalingdata.

lBBUisconnectedwithBSC/NodeBthroughAbis/Iubinterface.
lRRUisconnectedwithMS/UEthroughUm/Uuinterface.

Chapter1SystemOverview

DistributedBaseStationArchitecture

BBUandRRUformthedistributedbasestationsystem.OnecentralBBUcanmanage
agroupofRRUs,implementingfastandexiblecongurationandnetworkingforthe
basestationsystem.TheBBU+RRUmodereducestheequipmentroomrequirement,
decreasesthefeederloss,andprovidesamoreexiblesitelayoutmode.

BBUisarrangedindoors,connectingRRU,whichisoftenoutdoors,throughopticalber.

Figure1-3showsthedistributedbasestationarchitecture.

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Figure1-3DistributedBaseStationSystemStructure

1.3CabinetAppearance

Figure1-4showstheBS8908cabinetappearance.

Figure1-4CabinetAppearance

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1.4ProductFeatures

1.Basestationarchitecture

BS8908isdesignedbasedontheSDRbasestationstructure.Thebaseband
processingpartsupports12GSMcarriers.TheRFpartadoptsthemulti-carrier
broadbandreceivingtechnologyandmulti-carrierDPDlinearpower-amplication
technology,andtheworkingbandwidthis20MHz.

2.Flexiblecongurationandnetworking
lAsinglecabinetsupports1~6carriers.Asinglesitesupportsside-by-side

3-cabinetconguration.

lItcanworkasanRRUoranBBUoftheSDRbasestation,anditalsocanwork

asaindividualBTS.

3.Compactinternalstructure

Itadoptsthedesignthatthebaseband,thetransceiver,andthepoweramplierare
integratedinthePCBboard.

Blind-matingandinterconnectionaresupportedbetweenboardsandmodules.

Chapter1SystemOverview

4.Greendesign

Thetypicalpowerconsumptionislowerthan190W.

5.Easyinstallation

Itissuitableforoutdoorenvironment,andiseasytoinstallandmaintain,thanksto
smallvolume,lightweightandgoodreliability.

1.5ServicesandFunctions

Services

BS8908supportsthefollowingservices:

1.GSM/EDGE

lFull-ratevoiceservice
lEnhancedfullratevoiceservice
lHalf-ratevoiceservice
lAdaptivemulti-ratevoiceservice
l9.6KbpsCS-domaindataservice
lGPRS/EDGEservice

2.R99service

lCSdomainservice:self-adaptivemulti-ratevoiceservice(8codingschemes)and

CS64Kbpsdataservice

lPSdomainservice:UL/DL64Kbps,UL/DL128Kbps,andUL/DL384Kbpsdata

service

lConcurrentservice:CS-domain(AMR12.2Kbps,CS64Kbps)+PS-domain(64

Kbps,128Kbps,384Kbps)

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BasicFunctions

BS8908supportsthefollowingfunctions.

1.WithUminterface,BS8908accomplishesterminalaccessandRFlinktransmission,
including:RFsignalprocessing,channelcodinganddecoding,channelmultiplexing
andde-multiplexing,measurementandreporting,powercontrol,transmission
diversity,receivingdiversity ,calibration,andsynchronization.

2.WithAbisinterface,itisconnectedwithBSCandaccomplishesthefollowingfunctions:
cellmanagement,reportingBTSmeasurementinformation,broadcastingsystem
messages,accesscontrol,mobilitymanagement,radioresourcemanagement,RF
signalprocessing,andtransmissionmanagement.

3.Withoperatingandmaintenanceinterface,itperformssystemmanagement,including:
congurationmanagement,alarmmanagement,statuscheckingandmonitoring.

4.BS8908alsoperformsthefollowingfunctions:

lSupportstheGSMPhaseI/PhaseII/PhaseII+standard.
lSupportstheUMTSR99/R4/R5/R6/R7/R8standard.
lSupportsGSM900/1800MHz,andhybridnetworkingofdifferentmodesand

lSupportsvariouscodingschemes,includingGPRSCS1~CS4andEDGEMCS1

lSupportsvariousdiversitymodes,includingspacediversity,frequencydiversity,

lSupportstheViterbidemodulationalgorithmatthereceivingend,whichenhances

lSupportsfrequencyhopping.
lSupportsdiscontinuoustransmission.
lSupportsTimeAdvance(TA)calculationandultra-distancecoveragewitha

lSupportsCo-BCCH.

differentfrequencybands.

~MCS9.

timediversity ,andpolarizationdiversity.

systemreceivingsensitivityandchanneldecodingcapability.

maximumradiusof120km.

1.6OperationandMaintenance

BS8908hastwoOperationandMaintenance(O&M)modes:localO&MandremoteO&M.
ThelocalO&MusesLMT,andtheremoteO&Musesthenetworkmanagementsystem
ZTENetNumenM31,asshowninFigure1-5.

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Figure1-5BS8908OperationandMaintenance

Chapter1SystemOverview

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Chapter2

SystemIndices

TableofContents

PhysicalIndicesofRRU.............................................................................................2-1

RadioPerformanceIndices........................................................................................

InterfaceandTransmissionIndices............................................................................2-2

2.1PhysicalIndicesofRRU

ThefollowinglistsphysicalindicesofBS8908.

Appearance

ItemIndex

Size420mm×320mm×100mm(H×W×D)

2-2

Weight≤15kg

ColorLightgray

PowerSupplyandPowerConsumption

ItemIndex

Peakpowerconsumption

Ratedinputvoltage

187W(TOC40W)900MHz

190W(TOC40W)1800MHz

-48V(-60VDC~-37VDC)

110V/220V(90VAC~290VAC)

EnvironmentCondition

ItemIndex

Workingenvironmenttemperature-40°C~55°C

Relativeworkingenvironmenthumidity5%~100%

ProtectionclassIP65

Groundingresistance≤5Ω

Reliability

ItemIndex

Availability99.999576%

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MTBF≥236,000hours

MTTR1hour

ItemIndex

Systemserviceinterruptiontime

2.2RadioPerformanceIndices

Thefollowinglistsradioperformanceindices.

CapacityIndices

ItemIndex

AsinglecabinetsupportssixTRXsatmost

GSMsingle-modeconguration

RFIndices

ItemIndex

Workingband900/1800MHz

Asinglesitewiththreecabinetssupports12TRXs(S4/4/4)at

most

Thesystem'sentireserviceinterruptiontime≤2.227

minute/year

Workingbandwidth20MHz

MaximumtransmissionpowerGMSK:40W;8PSK:25W

Staticreceivingsensitivity-112.5dBm/GSMsingleantenna

2.3InterfaceandTransmissionIndices

Thefollowinglistsinterfaceandtransmissionindices.

ItemIndex

Baseband-RFinterface(opticalinter-

face)

MONinterface

10/100/1000MbpsEthernetinterfaceOne,usedforlocalmaintenance.

AntennainterfaceTwo,connectingwithantennafeeder.

AISGinterfaceOne,usedforelectricalantennaandtoweramplier.

Two,connectingwiththebasebandunitandcascadingwith

otherRRUsorBS8908chassis.

One,connectingwiththeexternalmonitoringequipment,and

providingfourdrycontactinputsandoneRS485monitoring.

PowersupplyinterfaceOne,providingtheexternalpowersupply.

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ItemIndex

GPSinterfaceOne,receivingtheGPSsignal.

Chapter2SystemIndices

AbisE1interface

AbisGEinterfaceOne,AbisEthernetopticalinterfaceorelectricalinterface.

One,Abisinterface75ΩE1,Abisinterface120ΩE1or100Ω

T1.

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Chapter3

SystemStructureand
Principles

TableofContents

StructureandLayout..................................................................................................3-1

HardwareSubsystem.................................................................................................3-4

SoftwareSubsystem..................................................................................................

3.1StructureandLayout

3.1.1ExternalInterfaces

TheexternalinterfacesofBS8908arelocatedatthebottomofthecabinet,asshownin

Figure3-1.

3-6

Figure3-1ExternalInterfacesatCabinetBottom

Table3-1describestheexternalinterfaces.

Table3-1ExternalInterfaces

No.Label

1GPSGPSantennaReceivestheGPSantennasignal

2USBUSBinterface

ConnectedExternal

System

Performsadditionalfunctionssuchasdown-

loadingversion

InterfaceFunctions

3ABIS1IBSCIPAbisinterface

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No.Label

4MON

5E1/T1iBSCFourpairsofE1/T1Abisinterfaces

6AISG

7POW

8PEGroundProtectivegrounding

9ABIS0iBSCIPAbisopticalinterface

10ANT2Antennafeeder2Receivingchannel

11LC1RRU/BBUOpticalinterface1

12LC2RRU/BBUOpticalinterface2

ConnectedExternal

System

Externalauxiliaryandmoni-

toringequipments

AISGelectricalantennaand

toweramplier

DC/ACpowersupplyequip-

ment

InterfaceFunctions

ProvidesRS485communicationinterfacefor

theperipheralandprovidesthedrycontact

input

ExternalAISGinterface

Provides-48VDCpowersupplyor110/220

VACpowersupply

13ANT1Antennafeeder1

14FETHLMT/OMCBLMT/Testinterface

15TCLK-Clocktestinterface

16RST-Resetbutton

3.1.2EquipmentIndicators

TheindicatorsofBS8908arelocatedatthebottomofthecabinet,asshowninFigure3-2.

Figure3-2BS8908Indicators

Transmittingchannelanddiversityreceiving

channel

Table3-2describestheindicatorsandbuttons.

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Chapter3SystemStructureandPrinciples

Table3-2IndicatorsandButtons

ColorNameMeaningWorkMode

Flashingat1Hz:Normalstatus

GreenRUN

GreenABIS

Powersupplyandboard

runningindicator

ABISFEandopticalinter-

faceindicator;USBcon-

nectionindicator

Flashingat5Hz:Loadingprogram

OFF:Nopowersupplyorpowersupplyalarm

ConstantlyON:Normalstatus

Flashingat1Hz:USBconnectionisnormal

Flashingat5Hz:USBcommandisbeingexecuted

OFF:theoptical/electricalinterfaceisabnormal

ConstantlyON:theprimarycabinetisnormal

GreenLC

GreenTDME1interfaceindicator

Side-by-sidecabinetin-

terfaceindicator

indicator

Green(ashing):thesecondarycabinetisnormal

OFF:abnormal

Flashing:GPSisbeinginitialized

ConstantlyON:indicatingfault RedREFGPSindicator

OFF:normal

ON:thereispoweroutput GreenPAPowerindicator

OFF:thereisnopoweroutput

ConstantlyON:VSWRalarm RedVSWRAntennafeederinterface

OFF:normal

Flashingat8Hzintherstsecondandashing

once:the0thE1isnormal;OFF:the0thE1is

unavailable

Flashingat8Hzinthethirdsecondandashing

twice:the1stE1isnormal;OFF:the1stE1is

unavailable

Flashingat8Hzinthefthsecondandashing

threetimes:the2ndE1isnormal;OFF:the2nd

E1isunavailable

Flashingat8Hzintheseventhsecondand

ashingfourtimes:the3rdE1isnormal;OFF:the

3rdE1isunavailable

OFF:normal RedALMAlarmindicator

ON:alarm

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3.2HardwareSubsystem

3.2.1HardwareArchitecture

Figure3-3showsthehardwarearchitectureofthesystem.

Figure3-3BS8908HardwareSystem

BS8908consistsofTRB,MCD,SICB,BIPB,BDCP/BACP ,andthestructuresubsystem,
asshowninT able3-3.

Table3-3CabinetHardwareComposition

NameMeaningFunction

TRB

MCDDuplexerlter

SICBSignaltransferringPerformssignalconversionbetweenTRBandBIPB.

BIPB

Transceivingprocessing

board

External-signalinterface

protectionboard

Implementsthefunctionofsingle-channeltransmitterand

double-channelreceiver,andprovidesinterfacesandcon-

trol.

PerformsthefunctionofcombiningandsplittingforRF-signal

transceiving,includingsingle-channelduplexerandsingle-

channelreceivinglter.

ProtectsAISGinterfacebetweenelectricalantennaand

toweramplier,andperformssignaltransferringforthefront

board.

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NameMeaningFunction

BDCP/B-

ACP

Structure

subsys-

tem

DC/ACpowersupply

-Providesthestructureofmodules.

3.2.2ModuleFunctions

Thefollowingliststhefunctionsofeachmodule.

TRB

lOpticalinterfaceprocessing
lE1/T1interface
lClockprocessing
lDownlinkprocessing
lUplinkprocessing
lRFfrequencyhopping
lBasebandfrequencyhopping
lMonitoring
lIndicators
lPowersupplyandswitches
lResetswitchandresetting
lInterfaceswithexternalequipments

Chapter3SystemStructureandPrinciples

TheBDCPDCpowersupplyimplementsconversionfrom

-48VDCto5.5VDC/28VDC.

TheADCPACpowersupplyimplementsconversionfrom

220/110VACto5.5VDC/28VDC.

MCD

lProvidingthechannelfromTRB'stransmitting-bandchanneltotheantenna
lProvidingthechannelfromthetwo-channelantennatoTRB'sreceiving-bandchannel
lInthechannel,suppressinginterferenceandspuriousradiationoutoftheworking

frequencyband

lImplementingdiversityreception

SICB

PerformssignalconversionbetweenTRBandBIPB

BIPB

lSignalaccessing
lLightningprotectionprocessing
lCrosstalkprotection

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lOutputtingAISGinterfacesignalafterlightningprotectionbeingperformed
lPanelinterfaces

BDCP/BACP

lACpowersupplyvoltageconversion
lDCpowersupplyvoltageconversion
lNormalprotectionforthepowersupply
lVoltage-adjustmentforthepoweramplier

StructureSubsystem

Providesthestructureofmodules

3.3SoftwareSubsystem

3.3.1SoftwareArchitecture

ThesoftwaresystemofBS8908isdividedintoanoperationsupportlayerandaGSM
softwareapplicationlayer,asshowninFigure3-4.

Figure3-4BS8908SoftwareArchitecture

3.3.2SoftwareFunctions

lTheoperationsupportlayerconsistsofthefollowingparts:OSS,OAM,DBS,BRS,

BRACS,andSCS.

1.OperationSupportSubsystem(OSS)isthesupportlayerintheentiresoftware
architecture.Itprovidesahardware-independentplatformforsystemsoftware
running,andprovidessomebasicsoftwarefunctions,includingscheduling,

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