ZTE RSUC1930 Users Manual

ZXSDRRSUC

RadioSystemUnitofCDMAwith1T2R

UserManual

VersionV1.00

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©2010ZTECORPORATION.

Thecontentsofthisdocumentareprotectedbycopyrightlawsandinternationaltreaties.Anyreproductionordistributionof
thisdocumentoranyportionofthisdocument,inanyformbyanymeans,withoutthepriorwrittenconsentofZTECORPO­RATIONisprohibited.Additionally,thecontentsofthisdocumentareprotectedbycontractualcondentialityobligations.

Allcompany ,brandandproductnamesaretradeorservicemarks,orregisteredtradeorservicemarks,ofZTECORPORA TION
oroftheirrespectiveowners.

Thisdocumentisprovided“asis”,andallexpress,implied,orstatutorywarranties,representationsorconditionsaredis­claimed,includingwithoutlimitationanyimpliedwarrantyofmerchantability,tnessforaparticularpurpose,titleornon-in­fringement.ZTECORPORATIONanditslicensorsshallnotbeliablefordamagesresultingfromtheuseoforrelianceonthe
informationcontainedherein.

ZTECORPORATIONoritslicensorsmayhavecurrentorpendingintellectualpropertyrightsorapplicationscoveringthesubject
matterofthisdocument.ExceptasexpresslyprovidedinanywrittenlicensebetweenZTECORPORATIONanditslicensee,
theuserofthisdocumentshallnotacquireanylicensetothesubjectmatterherein.

ZTECORPORATIONreservestherighttoupgradeormaketechnicalchangetothisproductwithoutfurthernotice.

UsersmayvisitZTEtechnicalsupportwebsitehttp://ensupport.zte.com.cntoinquirerelatedinformation.

TheultimaterighttointerpretthisproductresidesinZTECORPORATION.

RevisionHistory

RevisionNo.RevisionDateRevisionReason

25/10/201025/05/2010

R1.0

SerialNumber:SJ-20101019140047-002

FCC&ICSTATEMENT

ThisdevicecomplieswithPart15oftheFCCRules.Operation
issubjecttothefollowingtwoconditions:(1)thisdevicemay
notcauseharmfulinterference,and(2)thisdevicemustaccept
anyinterferencereceived,includinginterferencethatmaycause
undesiredoperation.

Note:

Thisequipmenthasbeentestedandfoundtocomplywiththelim­itsforaClassAdigitaldevice,pursuanttoPart15oftheFCC
Rules.Theselimitsaredesignedtoprovidereasonableprotection
againstharmfulinterferencewhentheequipmentisoperatedin
acommercialenvironment.Thisequipmentgenerates,uses,and
canradiateradiofrequencyenergyand,ifnotinstalledandused
inaccordancewiththeinstructionmanual,maycauseharmfulin­terferencetoradiocommunications.

Operationofthisequipmentinaresidentialareaislikelytocause
harmfulinterferenceinwhichcasetheuserwillberequiredto
correcttheinterferenceathisownexpense.

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ZXSDRRSUCUserManual

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IICondentialandProprietaryInformationofZTECORPORATION

DeclarationofRoHS Compliance

Tominimizetheenvironmentalimpactandtakemoreresponsibility
totheearthwelive,thisdocumentshallserveasformaldeclara­tionthatZXSDRRSUCmanufacturedbyZTECORPORATIONarein
compliancewiththeDirective2002/95/ECoftheEuropeanParlia­ment-RoHS(RestrictionofHazardousSubstances)withrespect
tothefollowingsubstances:

�Lead(Pb)

�Mercury(Hg)

�Cadmium(Cd)

�HexavalentChromium(Cr(VI))

�PolyBrominatedBiphenyls(PBB’s)

�PolyBrominatedDiphenylEthers(PBDE’s)

…

TheZXSDRRSUCmanufacturedbyZTECORPORATIONmeet
therequirementsofEU2002/95/EC;however ,someassemblies
arecustomizedtoclientspecications.Additionofspecialized,
customer-speciedmaterialsorprocesseswhichdonotmeetthe
requirementsofEU2002/95/ECmaynegateRoHScomplianceofthe
assembly.T oguaranteecomplianceoftheassembly,theneedfor
compliantproductmustbecommunicatedtoZTECORPORATIONin
writtenform.Thisdeclarationisissuedbasedonourcurrentlevel
ofknowledge.Sinceconditionsofuseareoutsideourcontrol,ZTE
CORPORATIONmakesnowarranties,expressorimplied,andassumes
noliabilityinconnectionwiththeuseofthisinformation.

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ZXSDRRSUCUserManual

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IICondentialandProprietaryInformationofZTECORPORATION

Chapter1

SafetyDescription

TableofContents

SafetySpecicationsGuide.................................................1

SafetySymbols.................................................................2

SafetyInstructions............................................................3

SafetySpecificationsGuide

Thesesafetyinstructionsmustbeconsideredassupplementaryfor
localsafetyregulations.Theprioritymustbegiventolocalsafety
regulationsifthereisanyconictbetweenthetwo.

Themaintenancepersonnelmusthavetheknowledgeofsafety
operationsandmaintenancewithrequiredqualicationandtech­nicalbackground.

Warning:

Thisdevicecomplieswithpart15oftheFCCRules.Operationis
subjecttothefollowingtwoconditions:

�Thisdevicemaynotcauseharmfulinterference.

�Thisdevicemustacceptanyinterferencereceived,including

interferencethatmaycauseundesiredoperation.

Changesormodicationsnotexpresslyapprovedbythepartyre­sponsibleforcompliancecouldvoidtheuser'sauthoritytooperate
theequipment.

TheequipmentisintendedforinstallationinRESTRICTEDACCESS
LOCATIONS.

Alltheoperationandmaintenancepersonnelmustfollowthe
safetyprecautionsandinstructionsprovidedbyZTECorporation
toavoidanyaccident.

CondentialandProprietaryInformationofZTECORPORATION1

ZXSDRRSUCUserManual

Note:

ZTECorporationdoesnotbearanyliabilitiesincurredbecauseof
violationoftheuniversalsafetyoperationrequirements,orviola­tionofsafetystandardsfordesigning,manufacturingandusing
theequipment.

FCCRadiationExposureStatement:

ThisequipmentcomplieswithFCCradiationexposurelimitsset
forthforanuncontrolledenvironment.Thisequipmentshouldbe
installedandoperatedwithminimumdistance4mbetweenthe
radiator&yourbody .

SafetySymbols

Table1listssafetysymbols.Theyaretoprompttheuserofthe

safetyprecautionstobeobservedduringZXSDRRSUCoperation
andmaintenance.

TABLE1SAFETYSYMBOLSDESCRIPTION

SafetySymbols

Meaning

Nosmoking:Smokingisforbidden

Noammables:Noammablescanbestored.

Notouching:Donottouch.

Universalalertingsymbol:Generalsafety
attentions.

Electricshock:Riskofelectricshock.

Electrostatic:Thedevicemaybesensitiveto
staticelectricity.

Microwave:Bewareofstrongelectromagnetic
eld.

2CondentialandProprietaryInformationofZTECORPORATION

Chapter1SafetyDescription

SafetySymbols

Amongstthesesafetysymbols,theuniversalalarmsymbolsare
classiedintothreelevels:danger ,warning,andcaution.The
formatsandmeaningsofthethreelevelsaredescribedasbelow:

Danger:

Indicatesapotentiallyhazardoussituationwhich,ifnotavoided,
willresultindeathorseriousinjuryofpeople,orequipmentdam­agesandbreakdown.

Warning:

Indicatesapotentiallyhazardoussituationwhich,ifnotavoided,
couldresultindeathorseriousinjury .

Meaning

Laser:Bewareofstronglaserbeam.

Scald:Bewareofscald.

ElectricalSafety

Caution:

Indicatesapotentiallyhazardoussituationwhich,ifnotavoided,
couldresultinseriousinjuries,equipmentdamagesorinterruption
ofpartservices.

SafetyInstructions

Thissectiondescribesthesafetyinstructionsrelatedtoelectrical
safety,antistatic,heavyobjectsandmodules.

Instructions

Thefollowingaretheelectricalsafetyinstructionsabouttools,high
voltage,powercables,holesandlightning:

�Tools

Usespecialtoolsratherthancommontoolsforhigh-voltage
andACoperations.

�HighVoltage

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ZXSDRRSUCUserManual

Danger:

Highvoltageishazardous.Directorindirectcontactwithhigh
voltageormainsupplyusingawetobjectcouldresultindeath.

�StrictlyfollowlocalsafetyrulestoinstallACpowerdevices.

�Installationstaffmustbequaliedforperforminghigh-volt-

ageandACoperations.

�Donotwearanywatch,handchain,bracelet,ringorany

otherconductiveobjectsduringsuchoperations.

�Preventmoisturefromaccumulatingontheequipmentdur-

ingoperationsinadampenvironment.

�PowerCable

Warning:

Neverinstalloruninstallpowercableswhiletheyarelive.Oth­erwise,thepowercable,whencontactingaconductor ,mayre­sultinsparksorelectricarccausingareorevendamageto
eyes.

�Makesureofshuttingoffpowersupplybeforeinstallingor

disconnectingapowercable.

�Beforeconnectingthepowercable,makesurethatthecon-

nectingcableanditslabelareappropriatefortheactual
installationrequirements.

�DrillingHoles

Warning:

Itisnotallowedtodrillchassisholeswithoutpermission.

�Unqualieddrillingcoulddamagewiringandcablesinside

thechassis.Additionally ,metalpiecesinsidethechassis
createdbythedrillingcouldresultinashortcircuit.Use
insulationprotectionglovesandrstmovecablesinsidea
chassisawaywhendrillingisnecessaryonachassis.

�Protecteyesduringdrillingasdustoryingdebrismay

damageeyes.

�Cleananydebrisintimeafterdrilling.

�Lightning

Danger:

Donotperformhigh-voltage,AC,irontowerormastoperations
inathunderstorm.

4CondentialandProprietaryInformationofZTECORPORATION

AntistaticSafety

Chapter1SafetyDescription

Thunderstormswouldgiverisetoastrongelectromagnetic
eldintheatmosphere.Therefore,theequipmentmustbe
groundedandprotectedintimeagainstlightningstrikes.

Instructions

Electrostatic:

Staticelectricityproducedbyhumanbodycandamagestatic-sen­sitivecomponentsoncircuitboard,suchaslarge-scaleintegrated
circuits.

�Frictioncausedbyhumanbodyactivitiesistherootcauseof

electrostaticchargeaccumulation.Staticvoltagecarriedbya
humanbodyinadryenvironmentcanbeupto30kV ,andcan
remainthereforalongtime.Anoperatorwithstaticelectricity
maydischargeelectricitythroughacomponentwhenhe/she
touchestheconductorandcausingdamage.

�Wearanantistaticwriststrap(theotherendofwriststrapmust

bewellgrounded)beforetouchingtheequipmentorholding
aplug-inboard,circuitboard,IntegratedCircuit(IC)chipor
otherdevices,topreventhumanstaticelectricityfromdamag­ingsensitivecomponents.

�Theantistaticwriststrapusedmustbesubjecttoregular

check.Donotreplacethecableofanantistaticwriststrap
withanyothercables.

�Donotcontactstatic-sensitivemoduleswithanyobjectthat

easilygeneratesstaticelectricity .Forexample,frictionofpack­agebag,transferboxandtransferbeltmadefrominsulation
plasticmaycausestaticelectricityoncomponents.Discharge
ofstaticelectricitymaydamagecomponentswhentheycon­tactahumanbodyortheground.

�Modulesshouldonlycontactmaterialssuchasanantistatic

bag.Keepmodulesinantistaticbagsduringstorageandtrans­portation.

�Dischargestaticelectricityofthetestdevicebeforeuse,that

is,groundthetestdevicerst.

�DonotplacethemodulenearastrongDCmagneticeld,such

asthecathode-raytubeofamonitor .Keepthemoduleatleast
10cmaway .

HoistingHeavy

Objects

Warning:

Whenhoistingheavyobjects,ensurethatnobodyisstandingor
walkingunderthehoistedobject.

�Ensurethehoistercanmeethoistingrequirementswhendis-

assemblingheavyequipment,ormovingandreplacingequip­ment.

�Theinstallationpersonnelmustbedulytrainedandqualied

forhoistingoperations.

�Hoistingtoolsmustbeinspectedandcompletebeforeservice.

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ZXSDRRSUCUserManual

Unplugging/Plug-

gingaModule

RackMountSafety

Instructions

�Makesurethathoistingtoolsarexedrmlyonasufciently

securedobjectorwallbeforethehoistingoperation.

�Givebrieforalinstructionsduringhoistingoperationstopre-

ventanymishap.

�Neverplugamodulewithexcessiveforce,toensurethatthe

pinsonthebackplanedonotgetdeformed.

�Plugthemodulerightintotheslotandmakesuremodulecir-

cuitfacesdonotcontacteachotherlestanyshortcircuitmay
occur .

�Keephandsoffthemodulecircuit,components,connectors

andcabletroughwhenholdingamodule.

RackMountInstructions-Thefollowingorsimilarrack-mountin­structionsareincludedwiththeinstallationinstructions:

�ElevatedOperatingAmbient-Ifinstalledinaclosedormulti-

unitrackassembly,theoperatingambienttemperatureofthe
rackenvironmentmaybegreaterthanroomambient.There­fore,considerationshouldbegiventoinstallingtheequipment
inanenvironmentcompatiblewiththemaximumambienttem­perature(Tma)speciedbythemanufacturer .

�ReducedAirFlow-Installationoftheequipmentinarack

shouldbesuchthattheamountofairowrequiredforsafe
operationoftheequipmentisnotcompromised.

�MechanicalLoading-Mountingoftheequipmentintherack

shouldbesuchthatahazardousconditionisnotachieveddue
tounevenmechanicalloading.

�CircuitOverloading-Considerationshouldbegiventothecon-

nectionoftheequipmenttothesupplycircuitandtheeffect
thatoverloadingofthecircuitsmighthaveonovercurrentpro­tectionandsupplywiring.Appropriateconsiderationofequip­mentnameplateratingsshouldbeusedwhenaddressingthis
concern.

�ReliableEarthing-Reliableearthingofrack-mountedequip-

mentshouldbemaintained.Particularattentionshouldbe
giventosupplyconnectionsotherthandirectconnectionsto
thebranchcircuit(e.g.useofpowerstrips).

OtherSafety

Instructions

Note:

Donotperformmaintenanceordebuggingindependently ,unless
aqualiedpersonispresent.

�PerformanairtighttestbeforeRRUdelivery ,andprohibitdis-

assemblingtheRRUonsite.

�Replacinganypartsormakinganychangestotheequipment

mightresultinanunexpecteddanger .Therefore,besurenot
toreplaceanypartsorperformanychangestotheequipment
unlessauthorizedotherwise.

�DuetothatRRUisinhightemperatureduringrunning,theRRU

shouldbeinstalledinsomeregionsoutofoperators'reachor
strictlyrestricted.

6CondentialandProprietaryInformationofZTECORPORATION

Chapter1SafetyDescription

�ContactZTEofceifyouhaveanyquestion,toensureyour

safety.

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ZXSDRRSUCUserManual

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8CondentialandProprietaryInformationofZTECORPORATION

Chapter2

ProductDescripition

TableofContents

Overview..........................................................................9

PositioninaNetwork.........................................................9

OuterView.......................................................................10

ProductionFunctions..........................................................11

ProductionFeatures...........................................................12

Overview

ZTESoftwareDenedRadio(SDR)usesanarchitectureofseparat­ingthebasebandpartfromtheRadioFrequency(RF)part.This
architecturefeatureshighintegration,lowconsumption,exible
congurationandconvenientinstallation&maintenance.Thenew
generationZTECDMABaseStation(BS)productsbasedonthe
SDRistherstSDR-basedCDMABSintheindustry.Itisableto
helptheoperatorshavequalitativeleap.Theformofthisproduct
canbedistributedBBU+RRUorBBU+RSU.Theproductformof
ZTESDRcanbedistributedBBU+RRUorBBU+RSU,macroBS
ormicroBS.

ZXSDRRSUCistheRSUpartofZTECDMA2000distributedSDR
CommonBTSPlatformSolution.ItprovidesfunctionsincludingRF
modulation/demodulation,forwardpoweramplication,reverse
lownoiseamplication,RFperformancemeasurementandcar­rierpowercontroletc.

Withasmallersizeandlighterweight,theZXSDRRSUChassig­nicantadvantagesforsavingspace,relocations,installationex­ibility,andpowersavings.Itdesignedforbothindoorandoutdoor
applications.

PositioninaNetwork

InCDMAmobilecommunicationnetwork,therelationshipbetween
ZXSDRRSUCandothernetworkentitiesisshowninFigure1.

CondentialandProprietaryInformationofZTECORPORATION9

ZXSDRRSUCUserManual

FIGURE1ZXSDRRSUCPOSITIONINANETWORK

TheZXSDRRSUCisanindependentRFsubsystem.T ogetherwith

BBU,itformsthecompleteBTS.TheBTSimplementsradiotrans-

missionwiththeMSthroughtheCDMA2000airinterface.Inad-
dition,theBTSimplementscontrolofradiochannelsandcommu­nicationwiththeBSC

OuterView

Figure2showstheouterviewofZXSDRRSUC.

10CondentialandProprietaryInformationofZTECORPORATION

FIGURE2OUTERVIEWOFZXSDRRSUC

Chapter2ProductDescripition

ProductionFunctions

ZXSDRRSUCprovidesprimaryfunctionsisshownasT able2.

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ZXSDRRSUCUserManual

TABLE2THEPRIMARYFUNCTIONSOFZXSDRRSUC

FunctionDescription

Band:800MHz、1.9GHz、2.1GHz、2.0GHz(AWS)、
450MHz、420MHz、850MHz

RFmodulation/demodulation

RF

Interface

Equipment
maintenance
andtest

RFtransceiverduplexer

LownoiseamplicationforreceivedRFsignal

AmplicationfortransmittedRFsignal

RFtransceiver

Baseband-RFinterface:compliantwithCommon
PublicRadioInterface(CPRI)protocol

Airinterface:compliantwithIS-2000ReleaseA
andIS-856-A

Electroniclabel

Remoteupgradeofsoftwareversionfor
FPGA/BOOT/DSP/CPU

Remoteresetofserviceboards

RSSIquery

Automaticcalibration

Reversespectrumquery:queryingthereverse
receivedsignalspectrumofeachcarrier

Poweramplicationcontrolandprotection:
over-power ,over-temperature,andstandingwave
alarm

ReliabilityReversevoltageprotection

Scenario

Indoorandoutdoorapplications

ProductionFeatures

HerearetheproductfeaturesofZXSDRRSUC：

�Easytransportationandinstallationwillsavelaborandbuilding

costs

�Lowerpowerconsumptionreducesinstallationofpowerexpen-

dituresandsavesonelectricitycharges.

�Suitableforcomplicatedbasestationenvironments

SupportsstarandchainnetworksbetweenbasebandandRFto
providemoreconvenientsolutionsforcomplicatedbasestation
environments.

12CondentialandProprietaryInformationofZTECORPORATION

Chapter3

TechnicalDescripition

TableofContents

SystemArchitecture..........................................................13

SignalProcessingFlow.......................................................14

TechnicalSpecications......................................................14

SystemArchitecture

AZXSDRRSUCconsistsofthetransmit/receivesignalboard
(RTR),poweramplier(PA),duplexer(DFL),andpowersupply
(RPDC).Figure3showstheschematicdiagramoftheZXSDR
RSUC.

FIGURE3SCHEMATICDIAGRAMOFTHEZXSDRRSUC

ThefunctionsofZXSDRRSUC’ssubsystemisshownasT able3.

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ZXSDRRSUCUserManual

TABLE3THEFUNCTIONSOFSUBSYSTEM

PartDescription

RTR

PA

DFL

RTR,theunitthatintegratestheprocessor,clock,

CPRIinterface,DPDdigitalpredistortion,RF

transmittingandreceivingfunctions,isthecore
unitoftheZXSDRRSUC.

�AmpliesdownlinkRFsignalinputviatheRTR

andthensendsthesignaltotheDFL

�Providesdigitalpre-distortionfeedbacksignals

fortheRTR

�ProvidesaPAoutputenable/disableinterface

�Performslteringandlownoiseamplicationof

thereverseCDMAsignalfromtheantenna

�FilterstheforwardRFsignaltobesent
�ReportsLNAalarmstotheRTR
�Inthecaseofmain/diversitycombinedcabinets,

themainreceiveLNAoutputendoftheDFL
hasthepowersplitterfunctionandreservesan
externalport(Rxout)

RPDC

Converts-48VDCinputpowersupplytoDCpower
supplyrequiredbythePA,RTR,orDFL

SignalProcessingFlow

TheinternalsignalprocessingowofZXSDRRSUCisasbelow:

�Forwardlinkprocessing

ThebusinessdatafromBBUenterstheRTR,andthenforinter-
mediatefrequencyprocessing.Afterthepoweramplication
senttotheantennafortransmission.

�Reverselinkprocessing

ThereverseCDMAsignalsfromtheantennaareconvertedto
basebanddigitalsignalbyRTR,thensendtoBBU.

TechnicalSpecifications

PhysicalIndices

Dimension

ThedimensionsofZXSDRRSUCinmmare:482.6(H)×88(W)
×360.0(D).

14CondentialandProprietaryInformationofZTECORPORATION

Weight

WeightofaZXSDRRSUC:<10kg(22.05pounds).

PowerIndices

�PowerSupply

-48VDCVoltagerange:-37V~-62V .

�PowerConsumption

Inthecaseof1S-1T ,4C/S,15W/C,thetotalpowerconsump­tionoftheequipmentis270W.

CapacityIndices

Chapter3T echnicalDescripition

ZXSDRRSUCCapacityIndicesisshownasTable4

TABLE4ZXSDRRSUCCAPACITYINDICES

Item

18C1X

24C1X+4CDO

3theMAX8C/1S-1T

Carrierssupported

TemperatureandHumidity

Temperature:-40℃~+55℃.Thechangefrequencymustbeless
than0.5℃/min.

Relativehumidity:5%~95%

EnvironmentalClasses

�GradeOfProtection:IP55

�GroundingRequirements:Jointgroundingresistanceless1W;

BTSgroundingresistanceless5W .

�Noise:Noiseofworkingenvironment:less65dBA

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ZXSDRRSUCUserManual

ReliabilityIndices

�MeanTimeBetweenFailures(MTBF):>100,000hours

�MTTR(MeanTimeT oRepair):<0.5hour

�Availability:>99.999%

RFIndices

RFindicesoftheZXSDRRSUCcomplywith3GPP2C.S0010-C,
RecommendedMinimumPerformanceStandardsforcdma2000
SpreadSpectrumBaseStationand3GPP2C.S0032-A,Recom-
mendedMinimumPerformanceStandardsforCDMA2000High
RatePacketDataAccessNetwork.

Table5illustratesthe800MHztransmitterindices.

TABLE5800MHZTRANSMITTERINDICES

Name

Operatingband800MHz(BandClass0)

Transmitteroutput
frequencytolerance

Occupiedchannel
bandwidth

OutputpowerattheT op
ofCabinet(TOC)

Totaltransmitpower

ModulationmodeQuadratureamplitudemodulation

Conductedspurious
emissionandradiated
spuriousemission
suppression

Index

±0.01ppm

1.23MHz(BandClass0)

60W

Thetotaltransmitpoweriswithin+2dB
and-2dBofthemanufacturer’srated
power .

<-45dBc@±750kHzoffsetCenterFreq
(RBW30kHz)
<-60dBc@±1.98MHzoffsetCenter
Freq(RBW30kHz)
>4MHzOFFSET :
<-36dBm(RBW1kHz)@9KHz<f<
150KHz
<-36dBm(RBW10kHz)@150KHz<f<
30MHz
<-30dBm(RBW1MHz)@1GHz<f<

12.5GHz
4-6.4MHzOFFSET :
<-36dBm(RBW1kHz)@30MHz<f<1GHz

6.4MTO16MOFFSET :
<-36dBm(RBW10kHz)@30MHz<f<
1GHz
>16MHzOFFSET :
<-36dBm(RBW100kHz)@30MHz<f<

16CondentialandProprietaryInformationofZTECORPORATION

Chapter3T echnicalDescripition

Name

Transmitterintermodu­lationperformance

Pilottimetolerance

TimeT olerance/phase
toleranceofpilotchannel
tootherchannels

Waveformquality

Pilotcodedomainpower

Inactivechannelcode
domainpower

Index

1GHz

IfoneBTStransmitsattheratedpower
butanotherBTS’outputpoweris30dB
lessthantheformer’sratedpower .When
thepowersoftwoBTSsarecombined
ontheantennaport,thegenerated
intermodulationspuriousemission
meetstheconductedspuriousemission
requirement.TheIFdifferenceofthe
transmitsignalsoftwoBTSsis1.25M.

ThePNtimetolerancefallswithin3usand
theinter-carriertolerancefallswithin1us.

Timedifference:<±50ns

Phasedifference:<0.05rad

Rhoisgreaterthan0.970dBmwith
congurationofasinglepilot.

Withthestandard9CHconguration,the
pilotcodedomainpowerisintherangeof

-7.0±0.5dB.

Withthestandard9CHconguration,the
inactivechannelcodedomainpowerisless
than-27dB.

DOMACinactivechannel
codedomainpower

Withcongurationof13FLUSs,theMAC
inactivechannelcodedomainpowerisless
than-29.5dB(type2).

Withcongurationof13FLUSsattherate
DODATAchannelcode
domainpower

of614.44kbs(test1),theDATAchannel

codedomainpowerisintherangeof-15.5

dBto-14.5dB.

Pilotchannel:Rho>0.97

WavequalityofDO
channels

MACchannel:Rho>0.912

DATAchannel:Rho>0.97

RadiofrequencyFront

<2.0
EndSWR

Table6illustratesthe1.9GHztransmitterindices.

TABLE61.9GHZTRANSMITTERINDICES

Name

Operatingband1.9GHz(BandClass1)

Transmitteroutput
frequencytolerance

Index

±0.01ppm

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ZXSDRRSUCUserManual

Name

Occupiedchannel

Index

1.25MHz

bandwidth

OutputpowerattheT op

60W

ofCabinet(TOC)

Thetotaltransmitpoweriswithin+2dB

Totaltransmitpower

and-2dBofthemanufacturer’srated
power .

ModulationmodeQuadratureamplitudemodulation

<-45dBc@±885kHzoffsetCenterFreq
(RBW30kHz)
<-55dBc@±1.98MHzoffsetCenterFreq
(RBW30kHz)
>4MHzOFFSET :
<-36dBm(RBW1kHz)@9KHz<f<150
kHz
<-36dBm(RBW10kHz)@150kHz<f<

Conductedspurious
emissionandradiated
spuriousemission
suppression

30MHz
<-36dBm(RBW100kHz)@30MHz<f<
1GHz
4-16MHzOFFSET:
<-30dBm(RBW30kHz)@1GHz<f<

12.5GHz
16M-19.2MOFFSET :
<-30dBm(RBW300kHz)@1GHz<f<

12.5GHz
>19.2MHzOFFSET :
<-30dBm(RBW1MHz)@1GHz<f<

12.5GHz

Transmitterintermodu­lationperformance

Pilottimetolerance

TimeT olerance/phase
toleranceofpilotchannel
tootherchannels

Waveformquality

Pilotcodedomainpower

Inactivechannelcode
domainpower

IfoneBTStransmitsattheratedpower
butanotherBTS’outputpoweris30dB
lessthantheformer’sratedpower .When
thepowersoftwoBTSsarecombined
ontheantennaport,thegenerated
intermodulationspuriousemission
meetstheconductedspuriousemission
requirement.TheIFdifferenceofthe
transmitsignalsoftwoBTSsis1.25M.

ThePNtimetolerancefallswithin3usand
theinter-carriertolerancefallswithin1us.

Timedifference:<±50ns

Phasedifference:<0.05rad

Rhoisgreaterthan0.990dBmunderthe
congurationofasinglepilot.

Withthestandard9CHconguration,the
pilotcodedomainpowerisintherangeof

-7.0±0.5dB.

Withthestandard9CHconguration,the
inactivechannelcodedomainpowerisless
than-27dB.

18CondentialandProprietaryInformationofZTECORPORATION

Chapter3T echnicalDescripition

Name

DOMACinactivechannel
codedomainpower

Index

Withcongurationof13FLUSs,theMAC

inactivechannelcodedomainpowerisless

than-29.5dB(type2).

Withcongurationof13FLUSsattherate
DODATAchannelcode
domainpower

of614.44kbs(test1),theDATAchannel

codedomainpowerisintherangeof-15.5

dBto-14.5dB.

Pilotchannel:Rho>0.97

WavequalityofDO
channels

MACchannel:Rho>0.912

DATAchannel:Rho>0.97

RadiofrequencyFront

<2.0
EndSWR

Table7illustratesthe800MHzreceiverindices.

TABLE7800MHZRECEIVERINDICES

Name

Operatingband800MHz(BandClass0)

Index

Receiversensitivity

Receiverdynamicrange

Noisegure

Singletonedesensitiza­tion

Intermodulation
spuriousresponse
attenuation

<-115dBm

Whenthelowerlimitisthereceiver

sensitivityandtheupperlimit(noiselevel)

equals55dBm/1.23MHz(Eb/N0=10

dB±1dB),theFrameErrorRate(FER)is

lowerthan1%.

<3

Inthepresenceofasingletonethatis

50dBabovetheCDMAsignallevel,and

isatoffsetof±750kHzfromthecenter

frequency,theoutputpoweroftheMS

increasesbynomorethan3dB,andthe

FERislessthan1.5%.

Inthepresenceofasingletonethatis

75dBabovetheCDMAsignallevel,and

isatoffsetof±900kHzfromthecenter

frequency,theoutputpoweroftheMS

increasesbynomorethan3dB,andthe

FERislessthan1.5%.

BAND0:

Inthepresenceoftwointerferingtones

thatare60dBabovetheCDMAsignallevel,

andareatoffsetsof+900kHz,+1.7MHz,

-900kHzand-1.7MHzfromthecenter

frequency,theoutputpoweroftheMS

increasesbynomorethan3dB,andthe

FERislessthan1.5%.

Conductedspurious

<-80dBm,measuredwithintheBTS

CondentialandProprietaryInformationofZTECORPORATION19

ZXSDRRSUCUserManual

Name

emissionsandradiated
spuriousemissions

RadiofrequencyFront

Index

receiveband
<-60dBm,measuredwithintheBTS
transmitband

<2.0

EndSWR

Table8illustratesthe1.9GHzreceiverindices.

TABLE81.9GHZRECEIVERINDICES

Name

Operatingband1.9GHz(BandClass1&14)

Receiversensitivity

Receiverdynamicrange

Noisegure

Adjacentchannel
selection(ACS)

Index

<-115dBm

Whenthelowerlimitisthereceiver
sensitivityandtheupperlimit(noiselevel)
equals-55dBm/1.23MHz(Eb/N0=
10dB±1dB),theFrameErrorRate(FER)is
lowerthan1%.

<3

BandClass6:>-53dBm(±2.5M)

Singletonedesensitiza­tion

Intermodulation
spuriousresponse
attenuation

Conductedspurious
emissionsandradiated
spuriousemissions

RadiofrequencyFront
EndSWR

Inthepresenceofasingletonethatis
50dBabovetheCDMAsignallevel,and
isatoffsetof±750kHzfromthecenter
frequency,theoutputpoweroftheMS
increasesbynomorethan3dB,andthe
FERislessthan1.5%.
Inthepresenceofasingletonethatis
75dBabovetheCDMAsignallevel,and
isatoffsetof±900kHzfromthecenter
frequency,theoutputpoweroftheMS
increasesbynomorethan3dB,andthe
FERislessthan1.5%.

Inthepresenceoftwointerferingtones
thatare60dBabovetheCDMAsignallevel,
andareatoffsetsof1.25MHzand2.05
MHz,and-1.25MHzand-2.05MHzfrom
thecenterfrequency ,theoutputpowerof
theMSincreasesbynomorethan3dB,
andtheFERislessthan1.5%.

<-80dBm,measuredwithintheBTS
receiveband
<-60dBm,measuredwithintheBTS
transmitband

<2.0

20CondentialandProprietaryInformationofZTECORPORATION

Chapter3T echnicalDescripition

InterfaceIndices

TheinterfaceindicesofZXSDRRSUCisshownasT able9.

TABLE9DESCRIPTIONOFZXSDRRSUC’SINTERFACES

Type

CPRI

UE

DescriptionIndex

Fiber/Cable

Uminterface

2CPRIinterfaces:1CPRIforBBU
orupper-levelRSU，1CPRIfor
lower-levelRSU

1Tx/Rx，1diversityreceivers

CondentialandProprietaryInformationofZTECORPORATION21

ZXSDRRSUCUserManual

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22CondentialandProprietaryInformationofZTECORPORATION

Chapter4

HardwareDecsripition

TableofContents

Function...........................................................................23

Panel...............................................................................23

Button.............................................................................24

Indicators.........................................................................25

PanelInterfaces................................................................25

Function

RSUprovidesthefollowingfunctions:

�Communicationwiththebasebandsubrack

�ConversionbetweenairinterfaceRFsignalsanddigitalsignals

�RFsignalamplication,transmission,andreception

�Clocksynchronization.

Panel

Figure4illustratestheZXSDRRSUCpanel.

CondentialandProprietaryInformationofZTECORPORATION23

ZXSDRRSUCUserManual

FIGURE4ZXSDRRSUCPANEL

Button

Thereisonlyonebutton(RST)ontheZXSDRRSUCpanel.T able

10describesthebutton.

24CondentialandProprietaryInformationofZTECORPORATION

TABLE10ZXSDRRSUCPANELBUTTONDESCRIPTION

Chapter4HardwareDecsripition

Button

RST

Indicators

Table11describesZXSDRRSUCpanelindicators.

TABLE11ZXSDRRSUCPANELINDICATORDESCRIPTION

Indica­tor

RUN

ALM

ColorMeaningDescription

Green

RedAlarm

Running
status
indicator

indicator

Description

Resetbutton

Alwayson:TheRSUisresetting
orstartingup.

Blinkingat1Hz:TheRSUis
functioningproperly.

Blinkingat5Hz:TheRSUis
downloadingversionles.

Off:TheRSUfailstheself-check.

Off:Thereisonalarmorthe
RSUisresetting,startingup,or
downloadingversionles.

Blinkingat5Hz:Thereisacritical
alarm.

Blinkingat1Hz:Thereisaminor
alarm.

LNK

RF

Green

Or­ange

Optical
linkstatus
indicator

RFworking

status
indicator

PanelInterfaces

Table12describesZXSDRRSUCpanelinterfaces.

Alwayson:Theopticalconnection
isnormal.

Off:Theopticalberfails.

Blinkingat5Hz:Thislinkisused
astheclockreferencesourceand
thephaselockloop(PLL)isinthe
fastcapturestate.

Blinkingat0.25Hz:Thislinkis
usedastheclockreferencesource
andthephaselockloop(PLL)isin
thetracingstate.

Off:TheRFhasnooutput.

On:TheRFhasoutput.

CondentialandProprietaryInformationofZTECORPORATION25

ZXSDRRSUCUserManual

TABLE12INTERFACESONTHEFRONTPANELOFTHEZXSDRRSUC

Interface

ANT1(TX/RX)

ANT2(RX)

Rxout

Rxin

EndAEndBDescription

RSU

RSU

RSU

RSUwith
expanded
frequency
points

TX1/RX1

TX2/RX2

RSU

RSU

DBGRSUPCortesting

TESTRSU

Tx/Rxantenna

Rxantenna

RSUwithexpanded
frequencypoints

RSU

BBUorthe
upper-layer
cascadedRSU

Lower-layer
cascadedRSU

equipment(witha
thetestingboard)

Testingequipment

ConnectstotheTx/Rxantennaforthe
Tx/Rxmajorchannel.

ConnectstotheantennalfortheRx
minorantenna

Frequency-pointexpansionoutput
interfaceforoutputtingtheRxsignalsof
themajorchannel.

Frequency-pointexpansioninput
interfaceforinputtingtheRxsignalsof
theminorchannel.

ConnectstotheCPRIopticalinterfaceof
BBUortheupper-layercascadedRSU

ConnectstotheCPRIopticalinterfaceof
thelower-layercascadedRSU

CommissioningEthernetinterfaceand
testinginterface

Txtestingsignalinterface

MONRSU

AISGRSU

POWERRSU

External
equipment

Antenna

RFpowerofthe
powerdistribution
module

Providesfourdry-contactinputinterfaces
andRS-485environmentmonitoring
interface

ConnectstotheAISGinterface

Powerinputinterface

26CondentialandProprietaryInformationofZTECORPORATION

Chapter5

HardwareInstallation

TableofContents

InstallingtheRSUModule...................................................27

ConnectingRSUMonitoringCable........................................35

InstallingOpticalFibersBetweenBBUandRSU......................36

InstallingtheInterconnectedCableBetweenBBUand

RSU.................................................................................38

InstallingtheRFJumper.....................................................40

InstallingtheRSUModule

Prerequisites

Context

�BeforeinstallingtheRFmodule,weartheESDwriststrapto

avoiddamagingtheRFmodule.

�TheRFcabinethasalreadybeeninstalled.

Figure5showsthefrontpanelofaZXSDRRSUC.

CondentialandProprietaryInformationofZTECORPORATION27

ZXSDRRSUCUserManual

FIGURE5ZXSDRRSUCPANEL

Steps

1.Determinethetargetslot,holdthehandleofthemodulewith
onehand,supportthelowerbackofthemodulewiththeother
hand,andtrytomakeparallelthemoduleandtheguiding
plane,asshowninFigure6

28CondentialandProprietaryInformationofZTECORPORATION

.

FIGURE6STEP1

Chapter5HardwareInstallation

2.Pushthemoduleslightlyintotheslottomorethanhalfthe
depthoftheslot,asshowninFigure7

CondentialandProprietaryInformationofZTECORPORATION29

.

ZXSDRRSUCUserManual

FIGURE7STEP2

3.Changetheplacewhereexerciseforceandthenpushfurther
themodulewithevenforce,asshowninFigure8

30CondentialandProprietaryInformationofZTECORPORATION

.

FIGURE8STEP3

Chapter5HardwareInstallation

4.Pushthemoduleuntiltheinnersideofthefrontpanelclosely
touchtheverticalshaft,asshowninFigure9.

CondentialandProprietaryInformationofZTECORPORATION31

ZXSDRRSUCUserManual

FIGURE9STEP4

5.SecurethemoduleusingveM5x20screws,asshownin

Figure10.

32CondentialandProprietaryInformationofZTECORPORATION

FIGURE10STEP5

Chapter5HardwareInstallation

1.Fixingthecabinetwith5
M5x20screws

2.Fixingthegroundinglug

6.Securethegroundlug.

AsshowninFigure10,theM5x20screwssecurestheground
lugoftheRSUmoduletothegroundpoints.

ENDOFSTEPS

Result

Figure11showsthecompletionofinstallingtheRFmodule.

CondentialandProprietaryInformationofZTECORPORATION33

ZXSDRRSUCUserManual

FIGURE11RSUMODULEINSTALLEDCOMPLETELY

Postrequisite

AfterinstallingRSUmodules,connecttheRSUpowercablesto
theRSUpowerinterfaces.RSUpowercableshavebeenroutedto
properslots,asshowninFigure12.

FIGURE12POWERCABLECONNECTINGTHERSU

34CondentialandProprietaryInformationofZTECORPORATION

Chapter5HardwareInstallation

ConnectingRSUMonitoring Cable

Prerequisites

Context

�ZXSDRRSUCRFcabinethasalreadybeeninstalled.

�TheRSUmodulehasalreadybeeninstalled.

TheRSUmonitoringcableoftheRFcabinetisroutedtotheright
sideoftheRFcabinetindelivery ,asshowninFigure13
RSUmoduleisinstalled,inserttheterminaloftheRSUmonitoring
cabletotheMON(monitoring)interfaceoftheRSUmodule.

FIGURE13RSUMONITORINGCABLE

Note:

IfmultipleRSUmodulesneedtobemonitored,onlyoneRSUmod­uleneedstobeconnectedtotheRSUmonitoringcable.

.Afterthe

Steps

1.ConnectoneendoftheRSUmonitoringcabletotheMON
(monitoring)interfaceoftheRSUmoduleandfastenthescrew.

2.BundletheRSUmonitoringcable.

Figure14showstheconnectedRSUmonitoringcable.

CondentialandProprietaryInformationofZTECORPORATION35

ZXSDRRSUCUserManual

FIGURE14INSTALLINGTHERSUMONITORINGCABLE

ENDOFSTEPS

InstallingOpticalFibers BetweenBBUandRSU

Prerequisites

Context

Steps

�TheESDwriststrapmustbeworn.

�ThebasebandpowercabinetandtheRFcabinethavebeen

independentlyinstalled.

WhenthebasebandpowercabinetandtheRFcabinetareinstalled
sidebysideortheyarefarawayfromeachother ,youneedto
connectBBUandRSUusingopticalbers.

Payattentiontothefollowingpointswheninstallingopticalbers:

�Donotdamagetheopticalbercladdingduringoperations.

�Protectopticalberconnectorsandavoidcontaminatingthem.

�Donotforciblybundleopticalbers.

�Curveopticalbersattheturning.

1.Afxatemporarylabel.

36CondentialandProprietaryInformationofZTECORPORATION

Chapter5HardwareInstallation

Afxtemporarylabelstobothendsofthenewopticalberto
setupamapping.Ifmorethanoneopticalberneedstobe
installed,usedifferentlabelstodifferentiateopticalbers.

2.Routeopticalbers.

i.Opticalbersgooutfromthesidewaterproofmoduleofthe

basebandmoduleandgothroughtheroutingapertureson
thebase.

ii.Then,opticalbersgothroughtheroutingaperturesonthe

baseoftheRFcabinet,traversethewaterproofmodules,
andconnecttothesixopticalinterfacesforRFmodules.

Figure15showshowopticalberstraversethewaterproof

modules.

FIGURE15WATERPROOFMODULETHROUGHWHICHOPTICALFIBERS
PASS

3.Insertopticalberconnectors.

Insertopticalberconnectorsaccordingtothemappingon
temporarylabels.

Caution:

Insertopticalberconnectorstightly .

4.Bundleopticalbers.

Bundleandsecureopticalbersalongtheroutingtroughs,
whichcomplieswithrelevantregulations.

5.Afxanengineeringlabeltoanopticalber .

Removethetemporarylabelfortheopticalberandafxan
engineeringlabel.

CondentialandProprietaryInformationofZTECORPORATION37

ZXSDRRSUCUserManual

Caution:

Protectanopticalberwiththewindingtubewhenroutingthe
opticalberinsidethecabinet.Protectanopticalberwith
thecorrugatedpipewhenroutingtheopticalberoutsidethe
cabinet.

ENDOFSTEPS

InstallingtheInterconnected CableBetweenBBUand RSU

Prerequisites

Context

�TheZXSDRRSUCcabinethasalreadybeeninstalled.

�TheBBUmoduleandRSUmodulehavealreadybeeninstalled.

ZXSDRRSUCInthesystem,opticalbersorSFPcablescanbe
usedtoconnectBBUandRSU.Duringthestackedinstallationof
theZXSDRRSUC,a2mSFPhigh-speedcableisrecommended
forinterconnectingBBUandRSU.Figure16showsanSFPcable.

FIGURE16HIGH-SPEEDCABLE

Steps

38CondentialandProprietaryInformationofZTECORPORATION

1.AfxtemporarylabelstobothendsoftheSFRcable,with
markings0-5tosetupone-to-onemappingwithinterfaces
TX0RX0toTX5RX5ofBBUandsixTX/RXinterfacesofRSU.

2.InsertoneendoftheSFPcabletoaTX/RXinterfaceofRSU.

Chapter5HardwareInstallation

3.RoutetheSFPcablealongtheroutingtroughandcabinetsides
totheFSmoduleofBBU.TheSFPcablesconnectingtothe
RSUsinslots1to3ontheRFcabinetgothroughtheleftrouting
aperturesandthoseSFPcablesgothroughtherightapertures
ifconnectingtoslots4to6ontheRFcabinet,asshownin

Figure17

FIGURE17LAYOUTOFTHESFPCABLESINTHERFCABINET

andFigure18.

FIGURE18SFPCABLELAYOUT

CondentialandProprietaryInformationofZTECORPORATION39

ZXSDRRSUCUserManual

4.InsertSFPcablesintotheinterfacesTX0RX0toTX5RX5of
theBBUFSboardaccordingtothemarkings0-5,asshown
inFigure19.

FIGURE19FSBOARDCONNECTINGTOTHEBBU

5.BundleSFPcables.

6.Removetemporarylabelsandafxengineeringlabels.

ENDOFSTEPS

InstallingtheRFJumper

Prerequisites

Context

Steps

TheZXSDRRSUCRFcabinetandothermoduleshavealreadybeen
installed.

TheRFjumpersforthethreeZXSDRRSUCgothroughthewater­proofmoduleontheright.

RemovethefrontbafeofthebasebeforeinstallingtheRF
jumpersandreseatthefrontbafeafteralljumpersarecom­pletelyinstalled.

1.ConnecttheRFjumperstoANT1andANT2interfacesofRSU
fromlefttoright.

2.WearthewaterproofrubberplugaftereverytwoRFjumpers
areinstalled.

3.Insertthehorizontalandlongitudinalslideblocksandusethe
hexagonringwrenchtofastenthem.

Caution:

Clampthewaterproofrubberplugtightlyandmakesurethat
theunusedcablingaperturewearstheplug.

4.RepeattheprecedingstepstoinstallotherRSU-related
jumpers.

ENDOFSTEPS

Result

40CondentialandProprietaryInformationofZTECORPORATION

Figure20showsthecompletionofinstallingtheRFjumpers.

FIGURE20ANTENNAFEEDERJUMPERINSTALLEDCOMPLETELY

Chapter5HardwareInstallation

TheRFjumpersgooutfromthebase,asshowninFigure21.The
cablesbetweencabinetsmustbeprotectedwithprotectivetubes,
withoutanyexposedpartofthecablesandtheopeningsattwo
endsofthesecablesmustbesealed,asshowninFigure22.

FIGURE21LEAD-OUTOFTHEANTENNAFEEDERJUMPER

CondentialandProprietaryInformationofZTECORPORATION41

ZXSDRRSUCUserManual

FIGURE22CABLESINTUBES

42CondentialandProprietaryInformationofZTECORPORATION

Figures

Figure1ZXSDRRSUCPositioninaNetwork..........................10

Figure2OuterViewofZXSDRRSUC....................................11

Figure3SchematicDiagramoftheZXSDRRSUC...................13

Figure4ZXSDRRSUCPanel................................................24

Figure5ZXSDRRSUCPanel................................................28

Figure6Step1.................................................................29

Figure7Step2.................................................................30

Figure8Step3.................................................................31

Figure9Step4.................................................................32

Figure10Step5...............................................................33

Figure11RSUModuleInstalledCompletely...........................34

Figure12PowerCableConnectingtheRSU...........................34

Figure13RSUMonitoringCable..........................................35

Figure14InstallingtheRSUMonitoringCable.......................36

Figure15WaterproofModulethroughWhichOpticalFibers

Pass.................................................................37

Figure16High-SpeedCable................................................38

Figure17LayoutoftheSFPCablesintheRFCabinet.............39

Figure18SFPCableLayout.................................................39

Figure19FSBoardConnectingtotheBBU............................40

Figure20AntennaFeederJumperInstalledCompletely..........41

Figure21Lead-OutoftheAntennaFeederJumper.................41

Figure22CablesinT ubes...................................................42

CondentialandProprietaryInformationofZTECORPORATION43

ZXSDRRSUCUserManual

Thispageisintentionallyblank.

44CondentialandProprietaryInformationofZTECORPORATION

Tables

Table1SafetySymbolsDescription......................................2

Table2ThePrimaryFunctionsofZXSDRRSUC......................12

Table3Thefunctionsofsubsystem......................................14

Table4ZXSDRRSUCCapacityIndices..................................15

Table5800MHzT ransmitterIndices....................................16

Table61.9GHzT ransmitterIndices.....................................17

Table7800MHzReceiverIndices........................................19

Table81.9GHzReceiverIndices.........................................20

Table9DescriptionofZXSDRRSUC’sinterfaces.....................21

Table10ZXSDRRSUCPanelButtonDescription.....................25

Table11ZXSDRRSUCPanelIndicatorDescription.................25

Table12InterfacesontheFrontPaneloftheZXSDRRSUC.....26

CondentialandProprietaryInformationofZTECORPORATION45

ZXSDRRSUCUserManual

Thispageisintentionallyblank.

46CondentialandProprietaryInformationofZTECORPORATION

Glossary

BBU

-BaseBandUnit

BS

-BaseStation

BSC

-BaseStationController

BTS

-BaseT ransceiverStation

CDMA

-CodeDivisionMultipleAccess

CPRI

-CommonPublicRadioInterface

MS

-MobileStation

RF

-RadioFrequency

RSSI

-ReceivedSignalStrengthIndicator

RSU

-RFSystemUnit

SDR

-SoftwareDenedRadio

CondentialandProprietaryInformationofZTECORPORATION47