ZTE C806 CDMA Remote Radio Unit-8860 User Manual

ZTE Corporation CDMA Remote Radio Unit-8860 Users Manual

Users Manual

ZXSDRR8860CDMARemoteRadioUnit-8860TechnicalManualZTECORPORATIONNO.55,Hi-techRoadSouth,ShenZhen,P .R.ChinaPostcode:518057Tel:+86-755-26771900Fax:+86-755-26770801URL:http://ensupport.zte.com.cnE-mail:support@zte.com.cn
LEGALINFORMATIONCopyright©2011ZTECORPORATION.Thecontentsofthisdocumentareprotectedbycopyrightlawsandinternationaltreaties.Anyreproductionordistributionofthisdocumentoranyportionofthisdocument,inanyformbyanymeans,withoutthepriorwrittenconsentofZTECORPORATIONisprohibited.Additionally,thecontentsofthisdocumentareprotectedbycontractualcondentialityobligations.Allcompany,brandandproductnamesaretradeorservicemarks,orregisteredtradeorservicemarks,ofZTECORPORATIONoroftheirrespectiveowners.Thisdocumentisprovided“asis”,andallexpress,implied,orstatutorywarranties,representationsorconditionsaredisclaimed,includingwithoutlimitationanyimpliedwarrantyofmerchantability,tnessforaparticularpurpose,titleornon-infringement.ZTECORPORATIONanditslicensorsshallnotbeliablefordamagesresultingfromtheuseoforrelianceontheinformationcontainedherein.ZTECORPORATIONoritslicensorsmayhavecurrentorpendingintellectualpropertyrightsorapplicationscoveringthesubjectmatterofthisdocument.ExceptasexpresslyprovidedinanywrittenlicensebetweenZTECORPORATIONanditslicensee,theuserofthisdocumentshallnotacquireanylicensetothesubjectmatterherein.ZTECORPORATIONreservestherighttoupgradeormaketechnicalchangetothisproductwithoutfurthernotice.UsersmayvisitZTEtechnicalsupportwebsitehttp://ensupport.zte.com.cntoinquirerelatedinformation.TheultimaterighttointerpretthisproductresidesinZTECORPORATION.RevisionHistoryRevisionNo.RevisionDateRevisionReasonR1.008/30/2010FirstEditionSerialNumber:SJ-20100722143906-001PublishingDate:08/30/2010
DeclarationofRoHSComplianceTominimizetheenvironmentalimpactandtakemoreresponsibilitytotheearthwelive,thisdocumentshallserveasformaldeclarationthatZXSDRR8860manufacturedbyZTECORPORATIONareincompliancewiththeDirective2002/95/ECoftheEuropeanParliament-RoHS(RestrictionofHazardousSubstances)withrespecttothefollowingsubstances:lLead(Pb)lMercury(Hg)lCadmium(Cd)lHexavalentChromium(Cr(VI))lPolyBrominatedBiphenyls(PBB’s)lPolyBrominatedDiphenylEthers(PBDE’s)…TheZXSDRR8860manufacturedbyZTECORPORATIONmeettherequirementsofEU2002/95/EC;however,someassembliesarecustomizedtoclientspecications.Additionofspecialized,customer-speciedmaterialsorprocesseswhichdonotmeettherequirementsofEU2002/95/ECmaynegateRoHScomplianceoftheassembly.T oguaranteecomplianceoftheassembly,theneedforcompliantproductmustbecommunicatedtoZTECORPORATIONinwrittenform.Thisdeclarationisissuedbasedonourcurrentlevelofknowledge.Sinceconditionsofuseareoutsideourcontrol,ZTECORPORATIONmakesnowarranties,expressorimplied,andassumesnoliabilityinconnectionwiththeuseofthisinformation.I
II
FCC&ICSTATEMENTThisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:1.Thisdevicemaynotcauseharmfulinterference.2.Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.ThisClass[A]digitalapparatuscomplieswithCanadianICES-003.Note:Workingwiththeequipmentwhileinoperation,mayexposethetechniciantoRFelectromagneticeldsthatexceedFCCrulesforhumanexposure.VisittheFCCwebsiteatwww.fcc.gov/oet/rfsafetytolearnmoreabouttheeffectsofexposuretoRFelectromagneticelds.Changesormodicationstothisunitnotexpresslyapprovedbythepartyresponsibleforcompliancewillvoidtheuser’sauthoritytooperatetheequipment.AnychangetotheequipmentwillvoidFCCandICgrant.ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassAdigitaldevice,pursuanttotheFCCandICRules.Thisequipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.I
II
RFExposureInformationforPMRTheproductgeneratesRFelectromagneticenergyduringtransmitmode.Thisradioisdesignedforandclassiedas“OccupationalUseOnly”,meaningitmustbeusedonlyduringthecourseofemploymentbyindividualsawareofthehazards,andthewaystominimizesuchhazards.ThisradioisNOTintendedforusebythe“GeneralPopulation”inanuncontrolledenvironment.ThisradiohasbeentestedandcomplieswiththeFCCRFexposurelimitsfor“OccupationalUseOnly”.Inaddition,theproductcomplieswiththefollowingStandardsandGuidelineswithregardtoRFenergyandelectromagneticenergylevelsandevaluationofsuchlevelsforexposuretohumans:1.FCCOETBulletin65Edition97-01SupplementC,EvaluatingCompliancewithFCCGuidelinesforHumanExposuretoRadioFrequencyElectromagneticFields.2.tAmericanNationalStandardsInstitute(C95.1-1992),IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequencyElectromagneticFields,3kHzto300GHz.3.AmericanNationalStandardsInstitute(C95.3-1992),IEEERecommendedPracticefortheMeasurementofPotentiallyHazardousElectromagneticFields–RFandMicrowave.4.Thefollowingaccessoriesareauthorizedforusewiththisproduct.Useofaccessoriesotherthanthose(listedintheinstruction)speciedmayresultinRFexposurelevelsexceedingtheFCCrequirementsforwirelessRFexposure.I
II
AboutThisManualPurposeZXSDRR8860isanoutdoorremoteRFunit.ComposinganintegratedBTS,ZXSDRR8860andZXSDRR8860implementwirelesstransmissionwithincoverageareas,controlofwirelesschannelaswellascommunicationwithBSC.ThismanualprovidesZXSDRR8860productoverview,whichwillhelpthereadersknowtheproduct’sfunction,principle,specication,features,cabinet,modules,externalinterfacesandcables.IntendedAudienceThisdocumentisintendedforengineersandtechnicianswhoperformoperationactivitiesZXSDRR8860.lEngineeringtechnicianslEquipmentinstallationengineerslEquipmentcommissioningengineersPrerequisiteSkillandKnowledgeTousethisdocumenteffectively,usersshouldhaveageneralunderstandingofZXSDRR8860equipmentanditscomponents.Familiaritywiththefollowingishelpful:lZXSDRR8860hardwarestructurelBasicsoftwareknowledgeWhatisinThisManualThismanualcontainsthefollowingchapters.ChapterSummaryChapter1ProductOverviewThischapterdescribesproduct’sfunction,specication,featuresandtechnicalspecications.Chapter2HardwareDescriptionThischapterdescribesproduct’smodulefunctionandworkprinciple,cables’sstructureandmainantennasystem.Chapter3ProtocolInterfaceDescriptionThischapterdescribesproduct’sprotocolinterfaces.ConventionsZTEdocumentsemploythefollowingtypographicalconventions.I
TypefaceMeaningItalicsReferencestootherManualsanddocuments.“Quotes”Linksonscreens.BoldMenus,menuoptions,functionnames,inputelds,radiobuttonnames,checkboxes,drop-downlists,dialogboxnames,windownames.CAPSKeysonthekeyboardandbuttonsonscreensandcompanyname.Note:Providesadditionalinformationaboutacertaintopic.Checkpoint:Indicatesthataparticularstepneedstobecheckedbeforeproceedingfurther.Tip:Indicatesasuggestionorhinttomakethingseasierormoreproductiveforthereader.Mouseoperationconventionsarelistedasfollows:TypefaceMeaningClickReferstoclickingtheprimarymousebutton(usuallytheleftmousebutton)once.Double-clickReferstoquicklyclickingtheprimarymousebutton(usuallytheleftmousebutton)twice.Right-clickReferstoclickingthesecondarymousebutton(usuallytherightmousebutton)once.II
ContentsDeclarationofRoHSCompliance.................................................................IFCC&ICSTATEMENT...................................................................................IRFExposureInformationforPMR................................................................IAboutThisManual.........................................................................................IChapter1ProductOverview.....................................................................1-11.1DistributedZTEBTSSolution..............................................................................1-11.2PositionintheNetwork.......................................................................................1-21.3Appearance.......................................................................................................1-31.4Functions...........................................................................................................1-41.5Features............................................................................................................1-51.6ExternalInterfaces.............................................................................................1-61.7ApplicationScenarios.........................................................................................1-71.8WorkPrinciple..................................................................................................1-101.8.1SystemStructure....................................................................................1-101.8.2SignalFlow............................................................................................1-101.9Networking.......................................................................................................1-111.9.1Baseband-RFInterfaceNetworking..........................................................1-111.9.2CascadeNetworking..............................................................................1-121.9.3FrequencyExtensionNetworking............................................................1-121.10EquipmentManagementModes......................................................................1-131.10.1OMCMode..........................................................................................1-131.10.2LMTMode...........................................................................................1-141.11T echnicalIndices............................................................................................1-151.11.1EngineeringIndices..............................................................................1-151.11.2PerformanceIndices.............................................................................1-161.11.3RFIndicies...........................................................................................1-171.12ComplianceStandards....................................................................................1-18Chapter2HardwareDescriptions.............................................................2-12.1Cabinet..............................................................................................................2-12.1.1ExternalStructure....................................................................................2-12.1.2IndoorStructure.......................................................................................2-22.1.3VentilationandHeat-dissipationPrinciples.................................................2-32.2Modules.............................................................................................................2-3I
2.2.1ModulesList............................................................................................2-32.2.2FilterLNA(FL).........................................................................................2-32.2.3Transceiver(TR)......................................................................................2-42.2.4PowerAmplier(PA)................................................................................2-52.2.5Power......................................................................................................2-52.3ExternalCables..................................................................................................2-52.3.1DCPowerCable......................................................................................2-52.3.2GroundingCable......................................................................................2-62.3.3AISGControlCable..................................................................................2-62.3.4OpticalFiberCable...................................................................................2-72.3.5EnvironmentMonitoringCable..................................................................2-72.3.6CarrierSectorExtensionCable.................................................................2-82.3.7RFJumperCable.....................................................................................2-92.4MainAntennaFeederSystem...........................................................................2-102.4.1MainAntennaFeederSystemStructure...................................................2-102.4.2Antenna.................................................................................................2-142.4.3FeederStructure....................................................................................2-15Chapter3ProtocolInterfaceDescription.................................................3-13.1NetworkReferenceModel...................................................................................3-13.2UmInterface......................................................................................................3-23.3Baseband—RFInterface....................................................................................3-6Figures.............................................................................................................ITables............................................................................................................IIIGlossary.........................................................................................................VII
Chapter1ProductOverviewTableofContentsDistributedZTEBTSSolution.....................................................................................1-1PositionintheNetwork...............................................................................................1-2Appearance................................................................................................................1-3Functions...................................................................................................................1-4Features.....................................................................................................................1-5ExternalInterfaces.....................................................................................................1-6ApplicationScenarios.................................................................................................1-7WorkPrinciple..........................................................................................................1-10Networking...............................................................................................................1-11EquipmentManagementModes...............................................................................1-13TechnicalIndices......................................................................................................1-15ComplianceStandards.............................................................................................1-181.1DistributedZTEBTSSolutionInordertoprovidemorecompetitivecommunicationdevicesandsolutionsforcustomers,ZTEprovidesdistributedZTECDMA2000BBU+RRUsolutiontoaccomplishservicefunctionsofCDMA2000BTSs.Figure1-1showsthearchitectureofdistributedZTEBTSsolution.Figure1-1DistributedZTEBTSSolution1-1SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualThedistributedBTSsolutionofZTECDMA2000BBU+RRUhasthefollowingadvantages:lLowlaborandengineeringexpenses.Itssmallsizeandlightnessfacilitatestransportationandengineeringinstallation.lLowroomrentandquicknetworkestablishment.Itisapplicabletovariousscenarios.Itcanbeinstalledonatower,abuildingtoporawall.Theexibleadaptabilityfacilitatesquicknetworkdeploymentandsavesroomrentsandnetworkoperationexpenses,takingadvantageofTime-T o-Market.lConvenientupgradingandexpansion.Itsupportsmultiplecarriersectors.Thenumberofcabinetsvarieswiththeactualsituation.lDecreaseinthetotalnumberofsites.TheRRUcanbeinstalledasclosetotheantennaaspossible,whichsavesfeederexpenses,reducesfeederloss,improvesRRUon-topoutputpowerandincreasesthecoverage.lLowpowerconsumption.ComparedwithtraditionalBTSs,thedistributedBBU+RRUBTShaslowerpowerconsumption,whichreducespowerinvestment,saveselectricalexpensesandnetworkoperationcost.lDistributednetworkingmode.ItsupportsstarandchainnetworkingbetweenBBUsandRRUs,effectivelymakingfulluseofnetworkresources.lAdvanceduniversalBTSplatform.TheBBUusesaB3Gand4GorientedplatformthatimplementsvariousstandardssothatasingleBTScansupportmultiplestandards.ThishelpsoperatorsintegratemultipleBTSsintoamulti-modeBTS,simplifyingthemanagementofBTSssothatoperatorscanexiblychoosenetworkevolutiondirectionsanduserscanenjoythetransparenceandsmoothevolutionofnetworks.1.2PositionintheNetworkZXSDRR8860isanoutdoorremoteRadioFrequency(RF)unitofZTECDMA2000series.ZXSDRR8860,togetherwiththeBBU,constitutesanintegratedBaseTransceiverStation(BTS).ZXSDRR8860implementswirelesstransmissioninitscoveragearea.Figure1-2showsthepositionofZXSDRR8860(RRU)intheCDMAnetwork.1-2SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter1ProductOverviewFigure1-2ZXSDRR8860PositionintheNetwork1.3AppearanceTheZXSDRR8860cabinetisplatedwithmaterialsthatareapplicabletooutdoorenvironments.Figure1-3showstheZXSDRR8860cabinetappearance.Figure1-3ZXSDRR8860CabinetAppearance1-3SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManual1.4FunctionsTable1-1describesZXSDRR8860functions.Table1-1ZXSDRR8860FunctionsFunctionDescriptionBand:800MHzBandClass01900MHzPCS450MHz(BandClass5)850MHz(BandClass10)420MHz(BandClass5)2100MHz(BandClass6)AWSBandClass15RFmodulation/demodulationRFtransceiverduplexerLownoiseamplicationforreceivedRFsignalAmplicationfortransmittedRFsignalRFRFtransceiverBaseband-RFinterface:compliantwithCommonPublicRadioInterface(CPRI)protocolAirinterface:compliantwithIS-2000ReleaseAandIS-856-AInterfaceLocaldebuggingandmaintenanceinterface:EthernetSupportfortheremoteapplicationoftheRRU;networkingmodesareinvolvedintostarandchain.CombinedRFcabinets(diversityoutput/input) NetworkingSupportforthecascadingnetworkingmodeofRRU,thehighestupto4levelsInputpowerundervoltage/overvoltagealarmOutputpowerundervoltage/overvoltagealarmPowerovercurrentalarmEnvironmenttemperaturealarmExternalRS-485monitoringinterfaceEnvironmentMonitoringExternalmonitoringextensioninterface:4inputdrycontacts1-4SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter1ProductOverviewFunctionDescriptionElectroniclabelPowerquery:basebandpower,RFpower,andantennaoutputpowerAutomaticcalibrationRSSIqueryReversespectrumquery:queryingthereversereceivedsignalspectrumofeachcarriermonitoringalarmforantennastandingwaveratioEquipmentmaintenanceandtestingPoweramplicationcontrolandprotection:over-power,over-temperature,andstandingwavealarm.1.5FeaturesThefeaturesoftheZXSDRR8860areasfollows:lSmallSizeTheZXSDRR8860occupiesasmallarea,savingroomrentexpenses.àDimensionofasingleZXSDRR8860cabinetwithouthandle(HxWxD):500mm×320mm×172mm.Wheninstalledindoors,itrequiresasmallinstallationarea.àZXSDRR8860canalsobeinstalledoutdoors,supportingpole-mount,wall-mount,andGantrymountinstallations.ExceptfortheGantrymountinstallation,whichoccupiesminimumoorspace,theothercasesalmostdoesnotoccupyanyoorspace.lLightWeightAsingleZXSDRR8860cabinetweighs22kgsoitiseasytotransportandinstall,requiringlowmanpowerandengineeringcosts.lOpticalberSupportZXSDRR8860supportsopticalberinstallationonatower.ZXSDRR8860andtheBBUcanbeconnectedviabers.OnepairofberscansupportalargenumberofsectorswhichgreatlylowersantennafeedercostandengineeringexpenseslLowPowerConsumptionLowerpowerconsumptionimposeslowerpowersupplyrequirements,savingpowerconstructioncostsanddailypowercharges.àPowerconsumption:(<350W,-48VDC)àLessRFpowerlossbecausetheinstallationofZXSDRR8860onthetowerclosetoantennasrequiresashorterfeedercable.1-5SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualàHigherpoweramplicationefciency(>30%,-48VDC).lNaturalDissipationNoheatexchangerisneededwhenthecabinetisinstalledoutdoors.lAtmost8carriersx80WRFpower.supportsvariousapplicationscenariosincludingdenseurbancoverageandwideruralareacoverage.Itprovidesdiversityreceptionfunctionandsupportstransmissiondiversityand4-antennareceptionbymeansofcabinetcombination.lComplexNetworkApplicationsupportsbaseband-RFstarandchainnetworks,deliveringexiblesolutionstocomplicatednetworkenvironments.1.6ExternalInterfacesTheexternalinterfacessupportedbytheZXSDRR8860arelocatedatthebottomofthecabinet.Figure1-4showstheexternalinterfacesofZXSDRR8860.Figure1-4ZXSDRR8860ExternalInterfaces1.LC12.LC23.AISG4.Mon5.DCIN6.RXIn7.RXout8.RX/TX9.RXInterfaceDescriptionTable1-2liststheZXSDRR8860interfacesdescription.Table1-2ZXSDRR8860ExternalInterfacesDescriptionInterfaceNameFunctionInterfaceType/ConnectorLC1InterfacebetweenBBUandRRU/RRUcascadinginterfaceLCopticalinterface1-6SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter1ProductOverviewInterfaceNameFunctionInterfaceType/ConnectorLC2InterfacebetweenBBUandRRU/RRUcascadinginterfaceLCopticalinterfaceAISGAISGdeviceinterface8-coreaerialsocketMonExternaldeviceinterface37-coreaerialsocketDCINPowerinterfaceDCinterfaceconnector:4-pinstraightroundconnectorRXInFrequencyexpansioninterfaceNconnectorRXoutFrequencyexpansioninterfaceNconnectorRX/TXReceive/TransmitmainsetRFcableinterface50ΩDINconnectorRXReceivediversityRFcableinterface50ΩDINconnector1.7ApplicationScenariosZXSDRR8860supportsgantry-mount,wall-mount,pole-mountandsimplied—cabinetintegrativeinstallationmodes.Theapplicationscenariosareclassiedintothefollowingsituationsaccordingtodifferentinstallationconditions,powersupplyrequirementsanduserdemands:lIntheconditionofZXSDRR8860indoorinstallationwiththeDCpowercable10moutsidetheequipmentroomandwithoutLevelBandabovelightningmoduleconguredintheindoorpoweroutput,theindoorDClightningboxisadoptedforpowersupplyandpowerdistribution.lWhenZXSDRR8860isinstalledoutdoors,anexternalDClightningboxisadoptedforpowersupplyandpowerdistribution.lAwavetrapmoduleisneededinsomecountriesordistrictsduetothespecialdemandontheradionetworkorstations.Wall-MountInstallationFigure1-5illustratesthewall-mountinstallation1-7SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualFigure1-5ZXSDRR8860Wall-MountModePole-MountInstallationThissectionillustratestheZXSDRR8860pole-mountinstallationintermsofdoubleandthreecabinetsinstallation.lTwoZXSDRR8860cabinetsFigure1-6illustratestwoZXSDRR8860cabinetsmountedonapole.1-8SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter1ProductOverviewFigure1-6TwoZXSDRR8860CabinetsPole-MountModelThreeZXSDRR8860cabinetsFigure1-7illustratesthreeZXSDRR8860cabinetsmountedonapole.Figure1-7ThreeZXSDRR8860CabinetsPole-MountMode1-9SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManual1.8WorkPrinciple1.8.1SystemStructureTheZXSDRR8860systemstructureincludesaDCPower(Powersourcemodule),FL(FilterLNAmodule),TR(Transceivermodule,)andPA(PowerAmpliermodule).Ithasfollowingtworeservedports:lTheZXSDRR8860providesanexternalport(Rxout)tosupportthemutualmainset/diversitycombinationmode.TheFLmainsetreceptionLowNoiseAmplier(LNA)outputportdeliversthepowerdivisionfunction.lAnelectronicswitchissetatthereceivediversitychannelandanexternalinputportisreservedtodeliverthecompatibilitywiththelong-distancefrequency.ThesystemcanswitchovertoinputsignalsthroughtheFLoflocalRadioUnit(RU)orthroughanotherRemoteRadioUnit(RRU).Figure1-8showstheoverallsystemstructure.Figure1-8ZXSDRR8860SystemStructure1.8.2SignalFlowTheZXSDRR8860signalowisdescribedbelow.ForwardFlowTheforwardsignalowconsistsoffollowing.1-10SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter1ProductOverview1.AfterreceivingthedatamodulatedbythebasebandunitthroughtheCommonPublicRadioInterface(CPRI)interface,theupconversionisdonebytheTRandthenthesignalissenttoPowerAmplier(PA).2.ThePAampliesthepowerofsignalsandthensendsittothe(DuplexFilter)DFL.3.TheFLduplexesandlterstheRFsignalsandthentransmitsitthroughtheantenna.ReverseFlowThereversesignalowconsistsofthefollowing.1.TheFLltersthebackwardCDMAsignalsfromtheantenna,ampliesthepowerofthesesignalsbeforesendingthemtotheTR.2.TheTRperformsdownconversionandconvertsthesignalintobasebanddigitalsignalsandthentransmitstothebasebandunitthroughtheCPRIinterface.1.9Networking1.9.1Baseband-RFInterfaceNetworkingTheZXSDRR8860isconnectedtotheBaseBandUnit(BBU)byopticalinterfaces.ItsupportstheCommonPublicRadioInterface(CPRI)protocol,andstarandchainnetworkingmodes,asshowninFigure1-9.Figure1-9ZXSDRR8860Baseband-RFInterfaceNetworkinglStarnetworking:thenetworkingmodeadoptspoint-to-pointconnection,sothenumberofbersledoutofthebasebandunitisthesameasthetotalnumberofRFmodules.Althoughmanybersareneeded,thenetworkingmodeismorereliablethanthechainnetworking.lChainnetworking:thenetworkingmoderequiresfewerbersbuthaslowerreliability.1-11SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManual1.9.2CascadeNetworkingInthecasewhereRRUsareclosetoeachotherbutarefarawayfromBBU,thecascadenetworkingthroughCPRIinterfaceisrecommendedtosaveopticalbers.Alternatively,acascadenetworkingisalsotypeofchainnetworking.Figure1-10showsthecascadenetworkingthroughCPRIinterface.Figure1-10ZXSDRR8860CascadeNetworkingRRUsareconnectedbyopticalber.TheRRUopticalinterfaceLC1servestoconnectBBUortheupperlevelRRUwhileLC2servestoconnectthelowerlevelRRU.1.9.3FrequencyExtensionNetworkingZXSDRR8860supportsmutualreceivediversitybymeansofcabinetcombinationsothatitcansupporthigh-carrierorgreat-carrier-frequency-differenceapplication.Figure1-11showsthefrequencyextensionnetworkingmodesupportedbyZXSDRR8860.1-12SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter1ProductOverviewFigure1-11ZXSDRR8860FrequencyExtensionNetworking1.10EquipmentManagementModes1.10.1OMCModeTheNetNumen™M3networkmanagementsystem(NMS)developedbyZTEcanbeusedtooperateandmaintaintheZXSDRR8860,asshowninFigure1-121-13SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualFigure1-12ZXSDRR8860OperationandMaintenance–OMCModeTheNetworkElement(NE)communicateswiththeNMSthroughtheTCP/IPprotocol.TheNetNumen™M3providesthefollowingfunctions:lCongurationManagementlPerformanceManagementlFaultManagementlSecurityManagementlReportManagementlSystemTools1.10.2LMTModeALocalMaintenanceT erminal(LMT)canbeusedtooperateandmaintaintheZXSDRR8860,asshowninFigure1-13.1-14SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter1ProductOverviewFigure1-13ZXSDRR8860OperationandMaintenanceSystem(LMTMode)Implementationofpowerquery,powerincrease/decreaseorscalingofZXSDRR8860canbeperformedthroughtheLMT.1.11TechnicalIndices1.11.1EngineeringIndicesTable1-3describestheengineeringindicesofZXSDRR8860.Table1-3ZXSDRR8860EngineeringIndicesItemIndicesOverallDimensionWidthxHeightxDepth:320mmx500mmx172mmUpperEnclosureDimensionWidthxHeightxDepth:320mmx370mmx72mmLowerEnclosureDimensionWidthxHeightxDepth:320mmx500mmx100mmWeight<22kgPower-48VDC;-40V~-57VWorkTemperature-40℃to55℃-40℉to131℉WorkHumidity5%RH~95%RH1-15SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualItemIndicesPowerConsumptionofNormalWorkUnder-48VDCPowerSupplyl1CarrieràOutputPower:20W/C/SàPowerConsumption:160Wl2CarrieràOutputPower:20W/C/SàPowerConsumption:200Wl3CarrieràOutputPower:20W/C/SàPowerConsumption:250WThetechnicalindicesoftheindoorDClightningbox,exempliedbyJD40K085C20H2–K1Z,arelistedinT able1-4,whichissubjecttotheactualeldtechnicalspecicationsforpracticalapplication.Table1-4JD40K085C20H2–K1ZDCLightningBoxTechnicalIndicesItemIndexDimensionsWidthxHeightxDepth:400mmx450mmx100mm(Theheightoftopcoverboxlockexcluded)NominalWorkingVoltage–48VInstallationModeIndoorwall-mountinstallationWorkingTemperature-5℃to70℃WorkingHumidity≤95%RH1.11.2PerformanceIndicesTable1-5liststheperformanceindicesoftheZXSDRR8860.Table1-5ZXSDRR8860PerformanceIndicesNameIndexValueInterfaceprotocolCPRIRRUlevelnumbersupportedbyasingleber4Baseband—RFinterfaceSinglelinklengthsupportedbyRRU<80KmDrycontact4Booleans:4inputs EnvironmentmonitoringinterfaceSerialportOneRS485Capacityofasinglecabinet8C1S1-16SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter1ProductOverviewNameIndexValueMeantimebetweenfailures(MTBF)>100,000hours1.11.3RFIndiciesRFindicesofZXSDRR8860complywith3GPP2C.S0010-C,RecommendedMinimumPerformanceStandardsforcdma2000SpreadSpectrumBaseStationand3GPP2C.S0032-A,RecommendedMinimumPerformanceStandardsforCDMA2000HighRatePacketDataAccessNetwork.Table1-6liststheRFindicesoftheZXSDRR8860.Table1-6ZXSDRR8860RFIndicesNameIndexValueOperatingBandClass800MHz(BandClass0),compliantwith3GPP2C.S0010-CStandards.1900MHzPCSbandwithitsuplinkas1850MHz~1915MHzanddownlinkas1930MHz~1995MhzAWSbandwithitsuplinkas1710MHz~1755MHzanddownlinkas2110MHz~2155MHz450MHz(BandClass5)withitsuplinkas450MHz~460MHzanddownlinkas460MHz~470MHz850MHz(BandClass10)withitsuplinkas806MHz~821MHzanddownlinkas851MHz~866MHz420MHz(BandClass5)withitsuplinkas410MHz~420MHzanddownlinkas420MHz~430MHz2100MHz(BandClass6)withitsuplinkas1920MHz~1979.95MHzanddownlinkas2110MHz~2169.95MHzModeIndexNameIndexValueTransmitteroutputfrequencytolerance±0.05ppmOccupiedbandwidthofchanneloutputspectrum1.23MHz/carrier(800MHz)1.25MHz/carrier(450MHz/1900MHz/AWS/850MHZ/2100MHz)Transmitpowerattheantennaport60W/80WTransmitpowerstabilityThetotaltransmitpoweriswithin+2dBand-4dBoftheratedpower.TransmitterIndices1-17SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualNameIndexValueTransmitterintermodulationperformanceTheBTStransmitsattheratedpowerbuttheoutputpowerofanotherBTSis30dBlessthantheratedpoweroftheformerBTS.WhenthepowersofthetwoBTSsarecombinedattheantennaport,thegeneratedintermodulationspuriousemissionmeetstheconductedspuriousemissionrequirement.TheintermediatefrequencydifferenceoftransmitsignalsofthetwoBTSsis1.25MHz,whichmeets3GPP2C.S0010-Ctechnicalstandard.StandingwaveratiooftheRFE(transmitter)<1.50Receiversensitivity<-128dBm(RC1)Receiverdynamicrange-128dBm~-65dBmNoisegure<3Conductedandradiatedspuriousemissionsl-80dBmmeasuredwithintheBTSreceiveband;l-60dBmmeasuredwithintheBTStransmitband;l-47dBmmeasuredwithinotherbandswithRBW=30kHz,meeting3GPP2C.S0010-Cstandards.ReceiverIndicesStandingwaveratiooftheRFE(receiver)<1.501.12ComplianceStandardsZXSDRR8860followsthefollowingcompliancestandards.lANSIJ-STD-008,PersonalStation-BaseStationCompatibilityRequirementfor1.8to2.0GHzCodeDivisionMultipleAccess(CDMA)PersonalCommunicationsSystem,1996.l3GPP2C.S0001-Aversion5.0:IntroductiontoCDMA2000StandardsforSpreadSpectrumSystems-ReleaseA.l3GPP2C.S0002-Aversion6.0(TIA/EIAIS-2000.2-A-2):PhysicalLayerStandardforCDMA2000SpreadSpectrumSystems-ReleaseA.l3GPP2C.S0003-Aversion6.0(TIA/EIAIS-2000.3-A-2):MediumAccessControl(MAC)StandardforCDMA2000SpreadSpectrumSystems-ReleaseA,Addendum2.l3GPP2C.S0004-Aversion6.0(TIA/EIAIS-2000.4-A-2):SignalingLinkAccessControl(LAC)SpecicationforCDMA2000SpreadSpectrumSystems-ReleaseA.l3GPP2C.S0005-Aversion6.0(TIA/EIAIS-2000.5-A-2):UpperLayer(Layer3)SignalingStandardforCDMA2000SpreadSpectrumSystems-ReleaseA,Addendum2.lTIA/EIA/TSB-58,AdministrationParameterValueAssignmentsforTIA/EIAWidebandSpreadSpectrumStandards,1995.1-18SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter1ProductOverviewlTIA/EIA/TSB-74,Supportfor14.4KbpsDataRateandPCSInteractionforWidebandSpreadSpectrumCellularSystem,1995.lTIA/EIA/IS-95-A,MobileStation-BaseStationCompatibilityStandardforDual-ModeWidebandSpreadSpectrumCellularSystems.lTIA/EIA/IS-95,MobileStation-BaseStationCompatibilityStandardforDual-ModeWidebandSpreadSpectrumCellularSystems.lTIA/EIA/IS-637,ShortMessageServicesforWidebandSpreadSpectrumCellularSystems,1997.lTIA/EIA/IS-127,EnhancedVariableRateCodecSpeechServiceOption3forWidebandSpreadSpectrumDigitalSystems,1996.lTIA/EIA/IS-634A,MSC-BSInterfaceforPublicCommunicationsNetworks,1998.lTIA/EIA/IS-658,DataServiceInterworkingFunctionInterfaceforWidebandSpreadSpectrumSystems.lCDGRF36,MarkovServiceOptionforWidebandSpreadSpectrumCommunicationsSystems.lTIA/EIA/IS-725,Over-the-AirServiceProvisioningofMobileStationsinWidebandSpreadSpectrumSystems,1997lTIA/EIA/IS-728,Inter-SystemLinkProtocol.lTIA/EIA/IS-733,HighRateSpeechServiceOption17forWidebandSpreadSpectrumCommunicationSystems.lTIA/EIA/IS-707,DataServiceOptionsforWidebandSpreadSpectrumSystems,1998.lTIA/EIA/IS-707-A-2DataServiceOptionsforSpreadSpectrumSystemsAddendum2,2000.lITU-TQ.714Signalingconnectioncontrolpart(SCCP).lITU-TQ.704Signallink(MTP3).lITU-TQ.703Signallink(MTP2).l3GPP2C.S0024-A(TIA/EIAIS-856-A):CDMA2000HighRatePacketDataAirInterfaceSpecication,August2005.l3GPP2C.S0024(TIA/EIAIS-856):CDMA2000HighRatePacketDataAirInterfaceSpecication,October2002.l3GPP2A.S0008(TIA/EIAIS-878),IOSSpecicationforHighRatePacketData(HRPD)RadioAccessNetworkInterfaces.l3GPP2A.S0008-A.InteroperabilitySpecication(IOS)forHighRatePacketData(HRPD)RadioAccessNetworkInterfacesWithSessionControlintheAccessNetworkl3GPP2A.S0007,Inter-OperabilitySpecication(IOS)forHighRatePacketData(HRPD)AccessNetworkInterfaces,November2001.l3GPP2C.S0029:TestApplicationSpecication(TAS)forHighRatePacketDataAirInterface.ll3GPP2C.S0032-A,RecommendedMinimumPerformanceStandardsforCDMA2000HighRatePacketDataAccessNetwork,December2005.l3GPP2C.S0032,RecommendedMinimumPerformanceStandardsforCDMA2000HighRatePacketDataAccessNetwork,January2004.l3GPP2C.S0010-A(TIA-97-D),RecommendedMinimumPerformanceStandardsforcdma2000SpreadSpectrumBaseStations,March2001.1-19SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManuall3GPP2C.S0054-A,cdma2000HighRateBroadcast-MulticastPacketDataAirInterfaceSpecication.l3GPP2C.S0054,cdma2000HighRateBroadcast-MulticastPacketDataAirInterfaceSpecication.lASIG1:Issue1.1,ControlinterfaceforantennalinedeviceslQB/CU001-99,800MHzCDMADigitalCellularMobileNetworkSpecications(Trial),ChinaUnicom,1999.lQB/CU003-99,TechnicalSpecicationsforChinaUnicom800MHzCDMADigitalCellularMobileSystemEquipment:BaseStation(Trial),ChinaUnicom,1999lQB/CU006-99,TechnicalSpecicationsforInterfacesbetweenSwitchesandBaseStationsinChinaUnicom800MHzCDMADigitalCellularMobileNetwork(Trial),ChinaUnicom,1999lQB/CU007-99,ChinaUnicom800MHzCDMADigitalCellularMobileNetworkAirInterfaceSpecication(Trial),ChinaUnicom,19991-20SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter2HardwareDescriptionsTableofContentsCabinet......................................................................................................................2-1Modules.....................................................................................................................2-3ExternalCables..........................................................................................................2-5MainAntennaFeederSystem..................................................................................2-102.1Cabinet2.1.1ExternalStructureTheZXSDRR8860cabinetisfullysealed.Thetopandbottomenclosuresareunitedbyananti-theftscrewwithtwohingesasstopblocks.Thetopenclosureisequippedwithahandletofacilitateconveyanceandinstallation.Areservedengineeringinstallationpositiononthebottomenclosuremakesiteasytoinstallthecabinetundervariousworkingenvironmentsbyusinginstallationaccessories.Figure2-1showstheZXSDRR8860cabinetexternalstructure.2-1SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualFigure2-1CabinetOuterStructure1.BottomEnclosure2.Hinge3.TopEnclosureEnclosureDimensionDescriptionTable2-1liststhedimensionsoftopandbottomenclosures.Table2-1ZXSDRR8860CabinetEnclosureDimensionsEnclosureDimension(WxHxD)Top320mm×370mm×72mmBottom320mm×500mm×100mm2.1.2IndoorStructureTheZXSDRR8860cabinetconsistsoffourmodulessuchasFLmodule,PAmodule,DCPowermodule,andTRmodule.Figure2-2showstheZXSDRR8860cabinetinternalstructure.2-2SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter2HardwareDescriptionsFigure2-2ZXSDRR8860CabinetInternalStructure1.TRModule2.DCPowerModule3.PAModule4.FLModule2.1.3VentilationandHeat-dissipationPrinciplesTheZXSDRR8860cabinetisnaturallycooledthroughaircoolednsonthetopandbottomenclosures.Naturalheatdissipationreplacesheatexchangerrequirementforoutdoorapplication.Inaddition,aheatsinkisequippedatthebottomofthecabinettoenhanceheatdissipation.2.2Modules2.2.1ModulesListTheZXSDRR8860cabinetconsistsoffourmodulessuchas:lFLmodulelPAmodulelDCPowermodulelTRmodule2.2.2FilterLNA(FL)ThefunctionsoftheFilterLNA(FL)moduleareasfollows.lPerformslteringandlownoiseamplicationofthereverseCDMAsignalfromtheantenna.2-3SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManuallFilterstheforwardRFsignaltobesent.lReportsLNAalarmstotheTR.lInthecaseofmain/diversitycombinedcabinets,themainreceiveLNAoutputendoftheFLhasthepowersplitterfunctionandreservesanexternalport(RXout).2.2.3Transceiver(TR)TheTransceiver(TR)isthemaincontrolmoduleofZXSDRR8860.Itperformscommunication,control,alarm,andversionmanagementforZXSDRR8860.FollowingarethefunctionsoftheTRmodule.lForwardlinkprocessingàConversionfrombasebandsignaltoRFsignalàConversionofoutputIQdataformatàPowercalibrationanddetectionprocessingàPeakclipping/digitalpre-distortionprocessingàDigitalIFprocessingàGainadjustment(calibration)lReverselinkprocessingàConversionfromRFsignaltobasebandsignalàDigitalIFprocessingàRSSIandRABreportàIn-bandanti-interferencefunctionàSpectrumreportàAutomaticgaincontrol(AGC)àOutputIQdataformatconversionàSupportsswitchingbetweendifferentreceivechannelsignalsinthecaseofmain/diversitycombinedcabinetslClockprocessingPerformsclockrecoveryfordataontheCPRIbetweentheZXSDRR8860andtheBBUgeneratingareferenceclocksourceandperformsphaselockforthereferenceclockbyutilizingalocalhigh-stabilityclock.Theworkingclocksgeneratedincludethemasterclock,frame-frequencyclock,digitalprocessingclock,andRFbasebandclock.lMonitoringàPAforwardpowerdetectionfunction:whenthetemperaturethresholdisexceeded,theTRreportstherelevantalarmandcontrolsthePAthroughthePAoutputenable/disablesignal.2-4SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter2HardwareDescriptionsàPAreversedpower(standingwaveratio)detectionfunction:whenthetemperaturethresholdstandingofthewaveradioisexceeded,theTRreportstherelevantalarmandcontrolsthePAthroughthePAoutputenable/disablesignal.àPAtemperaturedetectionfunction:Whenthetemperaturethresholdisexceeded,theTRreportstherelevantalarmandcontrolsthePAthroughthePAoutputenable/disablesignal.àPAoutputenable/disableàTRtransmitoutputpowerdetectionàFLtwo-channelLNAalarmdetectionandreportàDCPowerinputundervoltage/overvoltagealarmdetectionandreportàDCPoweroutputundervoltage/overvoltagealarmdetectionandreportàDCPoweroutputovercurrentalarmdetectionandreportàSystemenvironmentmonitoringàCPRIself-testalarmàKeychipself-testalarm2.2.4PowerAmplifier(PA)ThePowerAmplier(PA)moduleperformsthefollowingfunctions:lAmpliesdownlinkRFsignalinputviatheTRandthensendsthesignaltotheFL.lProvidesdigitalpre-distortionfeedbacksignalsfortheTR.lProvidesaPAoutputenable/disableinterface.2.2.5PowerTheDCPowermoduleconverts-48VDCinputpowersupplytoDCpowersupplyrequiredbythePA,TR,orFLmodules.2.3ExternalCables2.3.1DCPowerCableThe4-corecableisusedasDCpowercableinZXSDRR8860.Itismadeaccordingtotheon-sitesurveyrequirement.Oneendofthecableissolderedwithastraightroundconnectorwhiletheotherendisbare,withalabelindicatingsignaldenition.Figure2-3showsthestructureoftheDCpowercable.2-5SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualFigure2-3DCPowerCableStructureTable2-2describesthecorrespondencebetweencorecolorsoftheDCpowercableandsignals.Table2-2ColorsCorrespondencebetweenDCPowerCableandSignalsCorecolorSignalBlue-48VBlack-48VGNDNote:lForthe4-corecable,makethetwobluecoresinparallelwitheachotherandthetwoblackcoresinparallelwitheachother.Thebluecoresrepresent-48Vandtheblackonesindicate-48VGND.2.3.2GroundingCableThegroundingcableconnectsdeviceswiththegroundingbarintheequipmentroom.Itprovidessystemgroundtopreventdevicesfromstaticdamage,andmakingsuredevicesrunreliably.TheZXSDRR8860groundingcableisastandardre-resistantcableadopting(yellow–and-green)coreconductor,with10mm2cross-sectionalarea.Bothendsofthecablearethecircularbarecopperlugconnectors.Figure2-4showsthestructureofthegroundingcable.Figure2-4GroundingCableStructure2.3.3AISGControlCableTheAISGcontrolcableconnectstheAISGdevicetotheAISGportontheZXSDRR8860cabinet.Thebothendsofthecableare8-coreaerialconnectorsthatmeettheIEC60130-9-EDstandard.Figure2-5showstheoutlineofthecable.2-6SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter2HardwareDescriptionsFigure2-5OutlineoftheAISGcontrolcable2.3.4OpticalFiberCableTherearetwotypesofopticalbersused,oneisusedtoconnectwithBBUwhileotherisusedtoconnectcascadedcabinets.TheZXSDRR8860adoptssinglemode2-corebertailandmultimodeber.Thetaillengthdependsontheactualsituation.Figure2-6showsthestructureofthebertailusedtoconnectBBU.Figure2-6FiberCableUsedtoConnectBBU.1.DLCopticalconnector2.Outdoorfibersealingnutcomponent3.Label4.Singlemode2-corefibertail5.LCopticalconnectorNote:Theberisusedinoutdoorenvironments.Thebersheathshouldbewaterproofandanti-ultraviolet.Theworkingtemperatureshouldbeintherangeof-40℃~+80℃.Thesheathisofblackcolor.Figure2-7showstheopticalbercableusedforcascadedcabinets.Figure2-7FiberUsedforCascadedCabinets2.3.5EnvironmentMonitoringCableTheenvironmentmonitoringcableservesasinput/outputdrycontactsandisusedtotransmitRS485monitoringsignals.Figure2-8showstheoutlineofthecable.2-7SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualFigure2-8EnvironmentMonitoringCableOneendoftheenvironmentmonitoringcablethatjoinstheZXSDRR8860is37-coreaerialconnector,whichmeetstheGJB599IIIstandard.Figure2-9showstheoutlineoftheconnector.Figure2-9OutlineofConnectorTable2-3describestheconnectorpinsandconnectingcores.Table2-3EnvironmentMonitoringCablePinsandConnectingCoresDescriptionPinCorecolorSignaldescription15/16Whiteandblue/blueDrycontact4-/+17/18Whiteandorange/orangeDrycontact3-/+19/20Whiteandgreen/greenDrycontact2-/+21/22Whiteandbrown/brownDrycontact1-/+23/24Redandblue/blueRS485received25/26Redandorange/orangeRS485transmission2.3.6CarrierSectorExtensionCableThecarriersectorextensioncableisusedtoconnecttwoZXSDRR8860cabinetstoincreasethenumberofcarriersectors.Figure2-10showsthestructureofthecarriersectorextensioncable.EndAandEndBareNtypemaleconnectors.2-8SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter2HardwareDescriptionsFigure2-10CarrierSectorExtensionCable2.3.7RFJumperCableRFjumpercableisusedtotransfersignalsbetweenZXSDRR8860cabinetandantenna,betweenZXSDRR8860cabinetandmainfeedercable,andbetweenmainfeedercableandantenna.WhenthedistancebetweenantennaandZXSDRR8860cabinetislessandtheadoptedfeedercableisof1/2in.then,thejumpercableisnotused,ratherZXSDRR8860cabinetisdirectlyconnectedwiththefeedercableandfeedercableisconnectedtotheantenna.Iftheadoptedfeedercableisof7/8in.or5/4in.thenjumperisused.Figure2-11showstheRFjumpercable.Figure2-11RFJumperCableNote:ThelengthoftheRFjumpercableisdeterminedaccordingtotheactualsituation.2-9SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManual2.4MainAntennaFeederSystem2.4.1MainAntennaFeederSystemStructureThetypicalcongurationsofZXSDRR8860mainantennafeedersystemdescribedbelowincludes:lZXSDRR8860conguredwithcommonantennalZXSDRR8860conguredwithcommonantennaandAISGdualtoweramplierlZXSDRR8860conguredwithelectricallytunedantenna(1)lZXSDRR8860conguredwithelectricallytunedantenna(2)lZXSDRR8860conguredwithelectricallytunedantenna,AISGdualtoweramplierZXSDRR8860conguredwithcommonantennaInthisconguration,generallyZXSDRR8860installationpositionisnearantennaandtheyareallinstalledonthebuildingtop.ZXSDRR8860isconnectedtotheantennaby1/2″feederdirectly,occasionally5/4″or7/8″feederisadopted,asshowninFigure2-12.Figure2-12ZXSDRR8860ConguredwithCommonAntennaZXSDRR8860conguredwithcommonantennaandAISGdualtoweramplierInthisconguration,generallyZXSDRR8860isinstalledonthetower.ZXSDRR8860isconnectedtotheantennaby5/4″or7/8″feeder,asshowninFigure2-13.2-10SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter2HardwareDescriptionsFigure2-13ZXSDRR8860ConguredwithCommonAntenna,AISGDualTowerAmplierZXSDRR8860conguredwithelectricallytunedantenna(1)Inthisconguration,generallyZXSDRR8860installedneartheantennaonthebuildingtop.ZXSDRR8860isconnectedtotheantennaby1/2″feederdirectly,occasionally5/4″or7/8″feederisadopted,asshowninFigure2-14.2-11SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualFigure2-14ZXSDRR8860ConguredwithElectricallyTunedAntenna(1)ZXSDRR8860conguredwithelectricallytunedantenna(2)Inthisconguration,generallyZXSDRR8860isinstallednearthetopofthetower.ZXSDRR8860isconnectedtotheantennaby5/4″or7/8″feederisadopted,asshowninFigure2-15.2-12SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter2HardwareDescriptionsFigure2-15ZXSDRR8860ConguredwithElectricallyTunedAntenna(2)ZXSDRR8860conguredwithelectricallytunedantenna,AISGdualtoweramplierInthisconguration,generallyZXSDRR8860isinstallednearthetopofthetower.ZXSDRR8860isconnectedtotheantennaby5/4″or7/8″feederisadopted,asshowninFigure2-16.2-13SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualFigure2-16ZXSDRR8860ConguredwithElectricallyTunedAntennaandAISGDualTowerAmplier2.4.2AntennaTheZXSDRR8860antennafeedersystemadoptscommonantennaorelectricalantenna.Fortheelectricalantenna,youcanadjustthelevertocontroltheembeddedadjusterandthustotunethedowntiltangleoftheantenna.Thetiltreectsthedirectionfromwhichthe2-14SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter2HardwareDescriptionsantennareceivesthestrongestsignals.Thetiltoftheuni-directionalantennacanbetunedmechanically,andelectricaltiltisusedtotunetheomni-directionalantenna.Theprincipleoftheelectricaltiltisasfollows:Theadjustmentofthephaseoftheantennaarrayvibratorchangesthemaximumverticalandhorizontalcomponentsandalterssynthesizedeldstrength,thusmakingtheverticalpatternoftheantennadeclining.Becausetheantennaeldstrengthincreasesordecreasessimultaneouslyinalldirections,whichensuresthattheantennapatternhardlyvarieswiththetilt.Thisdiminishesthecoverageofthemainlobeandensuresthatnointerferenceoccurswhenthecoverageofthewholepatterndecreasesinitsservicearea.2.4.3FeederStructureThefeederisusedtoreceiveandtransmitradioRFsignalsbetweentheantennaandtheZXSDRR8860.Therearemanytypesoffeedercablessuchas1/2inchand7/8inchfeedercable.WhenthedistancebetweentheZXSDRR8860cabinetandantennaisless,then1/2inchfeedercableisused.Inthiscase,theZXSDRR8860cabinetisdirectlyconnectedtothe1/2inchfeederand1/2inchfeedercableisconnectedtoantenna.WhenthedistancebetweentheZXSDRR8860cabinetandantennaismore,then7/8inchfeedercableisused.Inthiscase,ZXSDRR8860cabinetisrstconnectedtothejumper,thenjumperisconnectedto7/8inchfeedercable,and7/8inchfeedercableisagainconnectedtojumperandlastlyjumperisconnectedtoantenna.TheantennamayhaveNtypeorDINtypeinterface.ThefeederisadaptedtofemaleandmaleNconnectors.UsuallybothendsofthedeliveredfeederaremaleNconnectortofacilitateon-siteinstallation.2-15SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualThispageintentionallyleftblank.2-16SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter3ProtocolInterfaceDescriptionTableofContentsNetworkReferenceModel..........................................................................................3-1UmInterface..............................................................................................................3-2Baseband—RFInterface............................................................................................3-63.1NetworkReferenceModelFigure3-1showsthenetworkreferencemodeloftheCDMA20001xnetwork.Figure3-1CDMA20001xNetworkReferenceModelThedescriptionoftheinterfacesinFigure3-1aredescribedinT able3-1.Table3-1InterfaceDescriptionInterfaceDescriptionAbisInterfacebetweenBSCandBTSCPRIInterfacebetweenBBUandRRUofthedistributedbasestationA1/A1pSignalinginterfacebetweenMSCe/MGWandBSCA2/A2pServiceinterfacebetweenMSCe/MGWandBSC3-1SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualInterfaceDescriptionA3ImplementssofthandoffbetweendifferentBSCs(focusingonthemediaplane).A7ImplementssofthandoffbetweendifferentBSCs(focusingonthecontrolplane).A8/A8dImplementsdatatransmissionbetweenBSSandPCF/PDC.A9/A9dImplementssignalingtransmissionbetweenBSSandPCF/PDCA10/A10dImplementsdatatransmissionbetweenPCFandPDSN,andbetweenPDCandPDS.A11/A11dImplementssignalingtransmissionbetweenPCFandPDSN,andbetweenPDCandPDS.3.2UmInterfaceTheUminterfaceistheairinterfacebetweenMobileStation(MS)andBaseTransceiverStation(BTS),complyingwiththeIS-2000ReleaseAstandardsandtheIS-856-Astandard.CDMA20001xUmInterfaceTheCDMA20001xUminterfaceiscomposedofphysicallayer,datalinklayeranduppermostlayer.Figure3-2showstheprotocolreferencemodel.Figure3-2CDMA20001xUmInterfaceProtocolReferenceModellThephysicallayerisabottomlayer,coveringvariousphysicalchannels.Itprovidesbasicradiochannelstotransmitinformationofupperlayers.3-2SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter3ProtocolInterfaceDescriptionlThedatalinklayercomprisesofMediumAccessControl(MAC)sublayerandLinkAccessControl(LAC)sublayer.TheMACsublayerimplementsthemappingbetweenlogicalchannelsandphysicalchannelsanddeliverstheRadioLinkProtocol(RLP)function.TheLACsublayerperformsauthentication,automaticrequestretransmission,addressing,segmentandreassembly.lTheuppermostlayerprovidessignalingservice,voiceservice,packetdataapplicationandcircuitdataapplication,andimplementsradioresource,mobilityandconnectionmanagementoftheairinterfacethroughsignalingservice.CDMA20001xEV-DOUminterfaceTheCDMA20001xEV-DOUminterfaceisdividedintoapplicationlayer,streamlayer,sessionlayer,connectionlayer,securitylayerandphysicallayer.TheUminterfacemeetstheIS-856protocolstandard.Everylayerdenesoneormoreprotocolstorealizeitsfunction.Figure3-3illustratestheoverallprotocolreferencemodel.Figure3-31xEV-DOUmInterfaceProtocolReferenceModellApplicationlayerTheapplicationlayerprovidesmultipleapplications,suchasDefaultSignalingApplicationfortransmittingairinterfacemessagesandDefaultPacketApplicationfortransmittingdata.TheDefaultSignalingApplicationdenestwoprotocols,SignalingNetworkProtocol(SNP)andSignalingLinkProtocol(SLP).TheprotocolsonalllayersexchangemessagesthroughSNP.SLPimplementsmessagesegmentandassembly,Best-efforttransmission,reliabletransmissionandduplicatepacketdetection.3-3SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualTheDefaultPacketApplicationprovidesabytestreamtotransmitpacketdatabetweentheterminalandthenetwork.Itincludesthreeprotocols.àFlowControlProtocolprovidestheowcontrolfunctionfordatastream.àRadioLinkProtocolimplementsbytestreamretransmissionandduplicatepacketdetection,andprovidesareliabledatalinkforupperapplications.àLocationUpdateProtocolprovideslocationupdateprogramandcorrespondingmessagesformobilitymanagementofpacketapplication.lStreamlayerThestreamlayerdeliversthefollowingfunctions:àItprovidesthearchitectureofdatapacketsovertheconnectionapplicationlayerbymeansofdatastreamauthentication.àItdistinguishesprioritiessignalsanduserservicesaccordingtothedataencapsulationprotocoloftheconnectionlayer.àItconnectsuserstosignalservice.àItallocatesindependentdatastreamtoapplicationsofdifferentQoSs.lSessionlayerThesessionlayercontainsaseriesofprotocolsusedforsessionnegotiationbetweentheterminalandthenetwork.Inthe1xEV-DOsystem,asessionindicatesastatejointlymaintainedbetweenAccessT erminal(AT)andAccessNetwork(AN).ItincludesaddressUATIdistributedtotheterminal,protocolsetdeterminedbytheterminalandthenetworkforairinterfacecommunication,protocolcongurationsintheprotocolsetandcurrentterminallocation.Thesessionlayerdenesthreeprotocols:àSessionManagementProtocolactivatesotherprotocolsonthelayer,ensuressessionvalidityandclosessessions.àAddressManagementProtocolmanagesterminaladdress(UATI)distribution.àSessionCongurationProtocol(SCP)performssessionownegotiation.Inthe1xEV-DOsystem,SCPnegotiatestheprotocolusedforcommunicationbetweentheterminalandthenetwork,andhowtosetprotocolparameters.lConnectionlayerTheconnectionlayercontrolstheairlinkstate.Inthe1xEV-DOsystem,anenabledlinkbetweenATandANmeanstheATisallocatedwithRPC,RTCandFTC(FTCisthetimedivisionchannelsharedbyallthesubscriberswithopenconnectionsinthesector).lSecuritylayerThesecuritylayerdeliversthefollowingfunctions:àKeyexchange.Itprovidesaprocedurefortheterminalandthenetworktoexchangekeysthatareusedforauthenticationandencryption.3-4SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
Chapter3ProtocolInterfaceDescriptionàAuthentication.Itprovidesaprocedurefortheterminalandthenetworktoauthenticateover-the-airservices.àEncryption.Itprovidesaprocedurefortheterminalandthenetworktoencryptover-the-airservices.Thesecuritylayercoversfourprotocols,amongwhichKeyExchangeProtocol,AuthenticationProtocolandEncryptionProtocoldenethethreefunctionsmentionedaboverespectivelywhileSecurityProtocolprovidespublicvariablesforAuthenticationProtocolandEncryptionProtocol.lMAClayerTheMAClayerdenestherulesformanagingcontrolchannel,accesschannel,forwardtrafcchannelandreversetrafcchannel.Itcontainsfourprotocols,asdescribedbelow:àControlChannelMACProtocolconstructsControlchannelMAClayerpacketfromoneormoreSecuritylayerpackets,controlspacketschedulingandtransmissionruleofchannelsandregulateshowtheterminalcapturesthecontrolchannelandreceivescontrolchannelpackets.àAccessChannelMACProtocoldenesthattheterminalsendstimingmessagesandpowerfeaturesovertheaccesschannel.àForwardTrafcChannel(FTC)ProtocolregulateshowtocontroltherateoftheFTCthroughtheDRCandhowtosupportthexedratemodeandvariableratemodeoftheFTC.àReverseTrafcChannel(RTC)ProtocolregulateshowtheterminalassiststhenetworktocapturetheRTCandhowtheterminalandthenetworkchooseRFCrate.lPhysicallayerThephysicallayerdenesstructure,frequency,poweroutput,modulation/demodulationandcoding/decodingoftheforward/reversechannel.BCMCSUmInterfaceTheBroadcastandMulticastService(BCMCS)Uminterfaceimplementsbroadcastandmulticastservices.Figure3-4showsthestructureoftheBCMCSUminterfaceprotocolstack.3-5SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
ZXSDRR8860TechnicalManualFigure3-4StructureoftheBCMCSUmInterfaceProtocolStacklBroadcastControlProtocolprocessesBCMCSstreamregistration.TheATsendsthestreamregistrationrequesttotheANsothattheANcanbroadcastingthestreamcontinuously.lBroadcastFramingProtocolencapsulates,segmentsanddelimitsupperlayerpack-ets.lBroadcastSecurityProtocolprovidespacketencryptionmechanism.lBroadcastMACProtocoladdsforwarderrorcorrectingcodestoformErrorControlBlock(ECB)andrelaysMACframestothephysicallayer.Thelayerisresponsibleoflogicalchannelmapping,constructingandsendingbroadcastoverheadmessages.lBroadcastPhysicalProtocolprovidesalogicalchannelstructure.3.3Baseband—RFInterfaceThebaseband-RFinterfaceofZXSDRR8860complieswiththecommonpublicradiointerface(CPRI)specication.TheCPRIspecicationwasinstitutedbytheCPRIUnion,whichisanindustrycooperationorganizationdevotingitselftoinstitutionofinternalradiointerfacespecicationsofradiobasestations.TheCPRIspecicationdescribesthetransmission,controlandsynchronizationmechanismsofuserdataandcontrolsignaling,deningtheessentialfactorssuchastransmission,connectionandcontrol.Fromaviewofthespecicationsystem,theCPRIspecicationcontainsthecontentsofphysicallayeranddatalinklayer.Itdescribescharacteristicsofelectricalandopticalinterfacesandmultiplexingmechanismsamongvariousdataowsinthematterofthephysicallayer,andmediaaccesscontrol(MAC),owcontrolandinformationowprotectioninthematterofthedatalinklayer.3-6SJ-20100722143906-001|08/30/2010ZTEProprietaryandCondential
FiguresFigure1-1DistributedZTEBTSSolution..................................................................1-1Figure1-2ZXSDRR8860PositionintheNetwork....................................................1-3Figure1-3ZXSDRR8860CabinetAppearance........................................................1-3Figure1-4ZXSDRR8860ExternalInterfaces...........................................................1-6Figure1-5ZXSDRR8860Wall-MountMode.............................................................1-8Figure1-6TwoZXSDRR8860CabinetsPole-MountMode......................................1-9Figure1-7ThreeZXSDRR8860CabinetsPole-MountMode...................................1-9Figure1-8ZXSDRR8860SystemStructure...........................................................1-10Figure1-9ZXSDRR8860Baseband-RFInterfaceNetworking...............................1-11Figure1-10ZXSDRR8860CascadeNetworking....................................................1-12Figure1-11ZXSDRR8860FrequencyExtensionNetworking.................................1-13Figure1-12ZXSDRR8860OperationandMaintenance–OMCMode....................1-14Figure1-13ZXSDRR8860OperationandMaintenanceSystem(LMTMode)...................................................................................................1-15Figure2-1CabinetOuterStructure...........................................................................2-2Figure2-2ZXSDRR8860CabinetInternalStructure................................................2-3Figure2-3DCPowerCableStructure......................................................................2-6Figure2-4GroundingCableStructure......................................................................2-6Figure2-5OutlineoftheAISGcontrolcable.............................................................2-7Figure2-6FiberCableUsedtoConnectBBU...........................................................2-7Figure2-7FiberUsedforCascadedCabinets..........................................................2-7Figure2-8EnvironmentMonitoringCable.................................................................2-8Figure2-9OutlineofConnector................................................................................2-8Figure2-10CarrierSectorExtensionCable..............................................................2-9Figure2-11RFJumperCable...................................................................................2-9Figure2-12ZXSDRR8860ConguredwithCommonAntenna..............................2-10Figure2-13ZXSDRR8860ConguredwithCommonAntenna,AISGDualT owerAmplier...............................................................................................2-11Figure2-14ZXSDRR8860ConguredwithElectricallyTunedAntenna(1)............2-12Figure2-15ZXSDRR8860ConguredwithElectricallyTunedAntenna(2)............2-13Figure2-16ZXSDRR8860ConguredwithElectricallyTunedAntennaandAISGDualTowerAmplier.............................................................................2-14Figure3-1CDMA20001xNetworkReferenceModel................................................3-1I
ZXSDRR8860TechnicalManualFigure3-2CDMA20001xUmInterfaceProtocolReferenceModel...........................3-2Figure3-31xEV-DOUmInterfaceProtocolReferenceModel...................................3-3Figure3-4StructureoftheBCMCSUmInterfaceProtocolStack..............................3-6II
TablesTable1-1ZXSDRR8860Functions..........................................................................1-4Table1-2ZXSDRR8860ExternalInterfacesDescription..........................................1-6Table1-3ZXSDRR8860EngineeringIndices.........................................................1-15Table1-4JD40K085C20H2–K1ZDCLightningBoxTechnicalIndices....................1-16Table1-5ZXSDRR8860PerformanceIndices.......................................................1-16Table1-6ZXSDRR8860RFIndices.......................................................................1-17Table2-1ZXSDRR8860CabinetEnclosureDimensions..........................................2-2Table2-2ColorsCorrespondencebetweenDCPowerCableandSignals................2-6Table2-3EnvironmentMonitoringCablePinsandConnectingCoresDescription...............................................................................................2-8Table3-1InterfaceDescription..................................................................................3-1III
TablesThispageintentionallyleftblank.
GlossaryAISG-AntennaInterfaceStandardsGroupAN-AccessNetworkBBU-BaseBandUnitBCMCS-BroadcastandMulticastServiceBSC-BaseStationControllerBSS-BaseStationSystemBTS-BaseTransceiverStationCDMA-CodeDivisionMultipleAccessCPRI-CommonPublicRadioInterfaceDRC-DataRateControlFL-ForwardLinkFL-FilterLNALNA-LowNoiseAmplierMAC-MediumAccessControlMSCe-MobileSwitchingCenteremulatorPA-PowerAmplierPCF-PacketControlFunctionV
ZXSDRR8860TechnicalManualPCFisaboardwhichisresponsibleforthedataselectionbetweenmultiplereversetrafcchannelsanddatadistributionfromaforwardtrafcchanneltomultiplecells/sectorsduringsofthandoff.PDSN-PacketDataServiceNodeRAB-RadioAccessBearerRF-RadioFrequencyRLP-RadioLinkProtocolRRU-RemoteRadioUnitRSSI-ReceivedSignalStrengthIndicatorTR-TransceiverVI

Navigation menu