ZTE ZXMBW-R9100 ZXMBW R9100 Remote Radio Unit (2X4) User Manual manual

ZTE Corporation ZXMBW R9100 Remote Radio Unit (2X4) manual

manual

ZXMBWR9100RemoteRadioUnit(2×4)TechnicalManualZTECORPORATIONZTEPlaza,KejiRoadSouth,Hi-TechIndustrialPark,NanshanDistrict,Shenzhen,P .R.China518057Tel:(86)75526771900800-9830-9830Fax:(86)75526772236URL:http://support.zte.com.cnE-mail:doc@zte.com.cn
LEGALINFORMATIONCopyright©2006ZTECORPORATION.Thecontentsofthisdocumentareprotectedbycopyrightlawsandinternationaltreaties.Anyreproductionordistributionofthisdocumentoranyportionofthisdocument,inanyformbyanymeans,withoutthepriorwrittenconsentofZTECORPO-RATIONisprohibited.Additionally,thecontentsofthisdocumentareprotectedbycontractualcondentialityobligations.Allcompany,brandandproductnamesaretradeorservicemarks,orregisteredtradeorservicemarks,ofZTECORPORATIONoroftheirrespectiveowners.Thisdocumentisprovided“asis” ,andallexpress,implied,orstatutorywarranties,representationsorconditionsaredis-claimed,includingwithoutlimitationanyimpliedwarrantyofmerchantability,tnessforaparticularpurpose,titleornon-in-fringement.ZTECORPORATIONanditslicensorsshallnotbeliablefordamagesresultingfromtheuseoforrelianceontheinformationcontainedherein.ZTECORPORATIONoritslicensorsmayhavecurrentorpendingintellectualpropertyrightsorapplicationscoveringthesubjectmatterofthisdocument.ExceptasexpresslyprovidedinanywrittenlicensebetweenZTECORPORATIONanditslicensee,theuserofthisdocumentshallnotacquireanylicensetothesubjectmatterherein.ZTECORPORATIONreservestherighttoupgradeormaketechnicalchangetothisproductwithoutfurthernotice.UsersmayvisitZTEtechnicalsupportwebsitehttp://ensupport.zte.com.cntoinquirerelatedinformation.TheultimaterighttointerpretthisproductresidesinZTECORPORATION.RevisionHistoryRevisionNo.RevisionDateRevisionReasonR1.002/04/2008FirstEditionR1.104/01/2008Support3.5GHzSerialNumber:sjzl20080369
ContentPreface...............................................................iProductOverview..............................................1R9100PositionintheNetwork..........................................1R9100Appearance.........................................................2R9100SystemStructure.................................................3R9100Functions.............................................................3R9100Features..............................................................4TechnicalSpecications...................................................6R9100EngineeringSpecications..................................6R9100PowerSupplySpecications...............................7R9100PowerConsumptionSpecications......................7R9100RFPowerSpecications.....................................7AppliedStandards..........................................................8InternationalStandards...............................................8LightningProofStandards............................................8SafetyStandards........................................................9EMCStandards...........................................................9EnvironmentStandards..............................................10HardwareDescription......................................13Cabinet........................................................................13R9100CabinetStructure............................................13R9100InterfaceDescription........................................14Modules.......................................................................15ModulesConstituents.................................................15WRFE.......................................................................15WRFEFunctions................................................15WRFEPerformanceSpecications........................16WRPM......................................................................16WRPMFunctions...............................................16WRPMWorkPrinciple.........................................16WDPA......................................................................17
WDPAFunctions................................................17WDPAWorkPrinciple.........................................17WTRX......................................................................18WTRXFunctions................................................18WTRXWorkPrinciple.........................................19Cables.........................................................................20CablesList................................................................20DCPowerCable.........................................................20GroundingCable........................................................20OpticalFiber.............................................................21RFJumperCable.......................................................21MainAntennaFeederSystem.........................................22MainAntennaFeederSystemStructure........................22AntennaStructure.....................................................24Feeder.....................................................................24ProtocolInterfaceDescription........................27ASNNetworkReferenceModel.........................................27R1Interface.................................................................29R1InterfaceFunctions...............................................29R1MessageFormat...................................................29R1ProtocolStack......................................................29MACLayerofR1ProtocolStack..........................30PHYLayerofR1ProtocolStack...........................31Baseband-RFInterface...................................................31Baseband-RFInterfaceFunctions.................................31OBSAIFrameStructure..............................................31Baseband-RFInterfacePhysicalLayer..........................33Figures............................................................35Tables.............................................................37Index..............................................................39ListofGlossary................................................41
PrefacePurposeThismanualprovidesZXMBWR9100RemoteRadioUnit(2x4)productoverview,whichwillhelpthereadersknowtheproduct’sfunction,principle,specication,features,cabinet,modules,externalinterfacesandcables.IntendedAudienceThisdocumentisintendedforengineersandtechnicianswhoper-formoperationactivitiesZXMBWR9100.PrerequisiteSkillandKnowledgeTousethisdocumenteffectively,usersshouldhaveageneralun-derstandingofWiMAXsystem.Familiaritywiththefollowingishelpful:�WiMAXtechnology�IEEE802.16e-Standard�ZXMBWR9100anditsvariouscomponentsWhatisinThisManualThisManualcontainsthefollowingchapters:ChapterSummaryChapter1ProductOverviewThischapterdescribesproduct’sfunction,specication,featuresandtechnicalspecications.Chapter2HardwareDescriptionThischapterdescribesproduct’smodulefunctionandworkprinciple,cables’sstructureandmainantennasystem.Chapter3ProtocolInterfaceDescriptionThischapterdescribesproduct’sprotocolinterfaces.ConfidentialandProprietaryInformationofZTECORPORATIONi
ZXMBWR9100TechnicalManualThispageisintentionallyblank.iiConfidentialandProprietaryInformationofZTECORPORATION
Chapter1ProductOverviewTableofContents:R9100PositionintheNetwork..............................................1R9100Appearance.............................................................2R9100SystemStructure.....................................................3R9100Functions................................................................3R9100Features..................................................................4TechnicalSpecications.......................................................6AppliedStandards..............................................................8R9100PositionintheNetworkThepositionZXMBWR9100inBaseStation(BS)isasshowninFigure1.FIGURE1ZXMBWR9100POSITIONINBSTable1showsmeaningsofthenetworkelements.ConfidentialandProprietaryInformationofZTECORPORATION1
ZXMBWR9100TechnicalManualTABLE1NETWORKELEMENTSNameMeaningAGWAccessServiceNetworkGateWayBBUBasestationBasebandUnitBSBaseStationMSMobileStationR9100EnhancedRadioUnit(2carriers)InterfacesofZXMBWR9100:�Baseband-RFinterface:aninterfacebetweenR9100andBBU,abidesbyOpenBaseStationArchitectureInitiative(OB-SAI)RP3standard.�R1interface:aninterfacebetweenBSandMS,abidesbyIEEE802.16e-2005protocol.R9100AppearanceZXMBWR9100radiounitismadeofcastaluminummetal.Itisverysmallandexquisite.Figure2showstheappearanceofZXMBWR9100.Thecabinetsurfaceiscoatedbysilvergraypaintthatissuitableforoutdoorclimate.FIGURE2ZXMBWR9100APPEARANCE2ConfidentialandProprietaryInformationofZTECORPORATION
Chapter1ProductOverviewR9100SystemStructureZXMBWR9100isaremoteRadioFrequency(RF)unitthataccom-plishestheconversionbetweentheRFsignalandbasebandsignal.AnOpticalberisusedtoaccomplishthebasebanddatainterfaceandbasebandI/Qinterface.RFcableisusedtoaccomplishtheantennainterface.Figure3showsZXMBWR9100systemstructure.FIGURE3ZXMBWR9100SYSTEMSTRUCTURENote:�Thereallineindicates2T×2RMultiple-InputMultipleOutput(MIMO)andthedottedlineindicatesoptionalandsupports2T×4RMIMO.�FCCRFexposurestandardsrequirethatthisequipmentshouldbeinstalledinsuchawayastomaintainaseparationdistanceof300cmbetweentheantennausedwiththisdeviceandallthepersons.�Forwardlink:WTRXreceivesforwardsignalsentbyBBUviaanopticalinterface,performsdigitalintermediatefrequencyprocessingandup-conversion.WDPAperformssignalampli-cation,thenWRFEperformsforwardltering,andnallysendsRFsignaltoairviaanantenna.�Reverselink:WRFEreceivessignalfromanantenna,thensendstoWTRXtoperformdown-conversionanddigitalinter-mediatefrequencyprocessingandnallysendstoBBUviaanopticalinterface.R9100FunctionsAsaremoteRFunit,ZXMBWR9100performsthefollowingfunc-tions.ConfidentialandProprietaryInformationofZTECORPORATION3
ZXMBWR9100TechnicalManual1.ForwardLinkFunctions�ZXMBWR9100receivesIn-phaseandQuadraturephase(I/Q)signalsfromBasestationBasebandUnit(BBU)viaop-ticalinterfaceforup-conversion.ZXMBWR9100PerformsRFpoweramplicationandtransmissionlteringonthere-ceivedsignals,andthentransmitsthesignalsviaantenna.�Providesstandingwavedetectionofantennafeederinter-face.�Providespowerdetectionofbasebandsignalsandantennafeederinterface.�Providesautomaticandmanualcalibration.2.ReverseLinkFunctions�ZXMBWR9100sendsthereceivedair-interfacesignalstoBBUviaanopticalberafterbandpassltering.ZXMBWR9100performslownoiseamplication,RFmixinganddig-italdown-conversiontobaseband.�ProvidesReceivedSignalStrengthIndicator(RSSI)func-tion.�ProvidesAutomaticGainControl(AGC).3.OtherFunctions�Monitorsandmanagespowerampliersandpowersup-plies.�RegeneratesTimeDivisionDuplex(TDD)timesequence.�Providesversionqueryandupdate.�Supportsmeasurementsoftransmissiondelay.�Restoresandregeneratesclocksattheberinterface.�SupportsAISGelectricaltunableantennaandtrunknodesmonitoring.R9100FeaturesZXMBWR9100isdesignedforoutdooruse.Itisalsoapplicableinbasementsandcitysquares.FollowingarethefeaturesofZXMBWR9100:�ZXMBWR9100andBasebandunit(BBU)togetheraccomplishBaseStation(BS)functions.�Supportssinglecarriersuchas5MHz,7MHzor10MHz.�Supports2Tx2Ror2Tx4RMultiple-InputMultiple-Output(MIMO)technology(optional).�SupportsWorldwideInteroperabilityforMicrowaveAccess(WiMAX)bandclass2300MHz~2400MHzandbandclass2490MHz2580MHzand2600MHz~2690MHzandbandclass3400MHz~3500MHzandbandclass3500MHz~3600MHz.4ConfidentialandProprietaryInformationofZTECORPORATION
Chapter1ProductOverview�Forbandclass2.3GHz,outputpowerisupto2x10W.Forbandclass2.5GHz,outputpowerisupto2x10W.Forbandclass3.5GHz,outputpowerisupto2x4W.�Workingtemperaturerangeisfrom-40°C~+55°CandsupportsIP65shellprotectionlevel.�Lightningprotectionlevelis15kA.�Supportsremoteexternalmonitoringsuchasonehalf-duplexRS232,onehalf-duplexRS485andseventrunknodesmoni-toring(optional).�TheBaseband-RFinterfacecomplieswithanOpenBaseSta-tionArchitectureInitiative(OBSAI)standard.Supportsexiblenetworkingsuchasstarandchainnetworking.�TheBaseband-RFinterfacesupportsopticalberbackup,thusthereliabilityisincreased.�Duetosmallsizeandlightweightprovideseasyinstallationandmaintenance.Itcanbeinstalledonpoles,wallsandracks.�ManyZXMBWR9100scansharetheGlobalPositioningSystem(GPS)ofbasebandpooltosavemoney.�Externalantennaisused.Directionalantennaandomni-direc-tionalantennaareavailable.�Softwareremotedownloadisavailable.�Remotecontrolboardresetisavailable.�Supports-48VDCpowersupply.�ComplieswiththeFCC,CEandUnderwriterLaboratoriesInc.(UL)certiedstandards.�ComplieswithPart15oftheFCCRules.Operationissubjecttotheconditionthatthisdevicedoesnotcauseharmfulinter-ference.Caution:Theuseriscautionedthatchangesormodicationsnotex-presslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser’sauthoritytooperatetheequipment.ConfidentialandProprietaryInformationofZTECORPORATION5
ZXMBWR9100TechnicalManualTechnicalSpecificationsR9100EngineeringSpecificationsPhysicalSpecicationsPhysicalspecicationsofZXMBWR9100arelistedinT able2.TABLE2PHYSICALSPECIFICATIONSNameIndexDimensions320mmx370mmx160mm(widthxheightxdepth),i.e.,1210/16inx149/16inx65/16in(widthxheightxdepth)Volume19LWeight16.3kg(3515/16lb)ShellprotectionlevelIP65ZXMBWR9100’sModules’DimensionsWRFE(RFEfilter)module200mmx230mmx25mm(widthxheightxdepth),i.e.,714/16inx91/16inx16/16in(widthxheightxdepth)WRPM(Powersupply)module80mmx250mmx40mm(widthxheightxdepth),i.e.,32/16inx913/16inx19/16in(widthxheightxdepth)WDPA(Poweramplifier)module210mmx270mmx20mm(widthxheightxdepth),i.e.,84/16inx1010/16inx13/16in(widthxheightxdepth)WTRX(Transceiver)module210mmx330mmx25mm(widthxheightxdepth),i.e.,84/16inx1216/16inx16/16in(widthxheightxdepth)TemperatureandHumiditySpecicationsTemperatureandhumidityspecicationsofZXMBWR9100arelistedinT able3.TABLE3TEMPERATUREANDHUMIDITYSPECIFICATIONSNameIndexTemperaturerequirementWorkingtemperature:-45°C~+55°CStoragetemperature:-45°C~+85°CHumidityrequirementWorkinghumidity:5%RH~95%RHStoragehumidity:5%RH~98%RH6ConfidentialandProprietaryInformationofZTECORPORATION
Chapter1ProductOverviewR9100PowerSupplySpecificationsTable4showsDCpowersupplyspecicationsforZXMBWR9100torunnormally.TABLE4POWERSUPPLYSPECIFICATIONSCategoryNominalValuePowerSupplyRangeDC-48VDC-60VDC~-36VDCR9100PowerConsumptionSpecificationsTable5showsthepowerconsumptionspecicationsofZXMBWR9100.TABLE5POWERCONSUMPTIONSPECIFICATIONSNameIndexPowerconsumption≤200WR9100RFPowerSpecificationsTable6showsRadioFrequency(RF)powerspecicationsofZXMBWR9100.TABLE6RFPOWERSPECIFICATIONSNameCarrierOutputPowerPowerStepDynamicRangeSingle10W Outputpowerfor2.3GHzDouble2x10WSingle10W Outputpowerfor2.5GHzDouble2x10WSingle4WOutputpowerfor3.5GHzDouble2x4W0.5dB±15dBConfidentialandProprietaryInformationofZTECORPORATION7
ZXMBWR9100TechnicalManualAppliedStandardsInternationalStandardsTheZXMBWR9100complieswiththefollowinginternationalstan-dards:1.InstituteofElectricalandElectronicsEngineers(IEEE)Stan-dard802.16-2004,IEEEStandardforLocalandMetropolitanAreaNetworks-Part16:AirInterfaceforFixedWirelessAc-cessSystems.2.InstituteofElectricalandElectronicsEngineers(IEEE)Stan-dard802.16-2005,Part16:AirInterfaceforFixedandMobileBroadbandWirelessAccessSystems.3.WorldwideInteroperabilityforMicrowaveAccess(WiMax)Fo-rumTMMobileRadioConformanceTests(MRCT).4.WorldwideInteroperabilityforMicrowaveAccess(WiMAX)ForumTMMobileProtocolImplementationConformanceState-ment(PICS)Proforma.5.WorldwideInteroperabilityforMicrowaveAccess(WiMAX)Fo-rumTMMobileSystemProle.6.OpenBaseStationArchitectureInitiative(OBSAI)ReferencePoint3SpecicationVersion3.0.LightningProofStandardsTheZXMBWR9100complieswiththefollowinglightningproofstandards:1.InternationalElectrotechnicalCommission(IEC)61312-1(1995)ProtectionagainstLightningElectromagneticImpulsePartI:GeneralPrinciples.2.InternationalElectrotechnicalCommission(IEC)61643-1(1998)SurgeProtectivedevicesconnectedtolow-voltagepowerdistributionsystems.3.InternationalTelecommunicationsUnion(ITU)-TK.11(1993)PrinciplesofProtectionagainstOvervoltageandOvercurrent.4.InternationalTelecommunicationsUnion(ITU)-TK.27(1996)BondingCongurationsandEarthingInsideaT elecommunica-tionBuilding.5.EuropeanT elecommunicationStandard(ETS)300253(2004)EquipmentEngineering;Earthingandbondingoftelecommu-nicationequipmentintelecommunicationcentres.8ConfidentialandProprietaryInformationofZTECORPORATION
Chapter1ProductOverviewSafetyStandardsTheZXMBWR9100complieswiththefollowingsafetystandards:1.InternationalElectrotechnicalCommission(IEC)60950SafetyofinformationtechnologyequipmentincludingElectricalBusi-nessEquipment.2.InternationalElectrotechnicalCommission(IEC)60215Safetyrequirementforradiotransmittingequipment.3.CanadianStandardsAssociation(CAN/CSA)-C22.2No1-M94Audio,VideoandsimilarElectronicEquipment.4.CanadianStandardsAssociation(CAN/CSA)-C22.2No950-95SafetyofInformationTechnologyEquipmentincludingElectri-calBusinessEquipment.5.UniversityofLimerick(UL)1419StandardforProfessionalVideoandAudioEquipment.6.73/23/ElectricalandEletronicsCommission(EEC)LowVoltageDirective.7.UniversityofLimerick(UL)1950Safetyofinformationtechnol-ogyequipmentincludingElectricalBusinessEquipment.8.InternationalElectrotechnicalCommission(IEC)60529Clas-sicationofdegreesofprotectionprovidedbyenclosure(IPCode).9.GOST30631-99.GeneralRequirementstomachines,instru-mentsandotherindustrialarticlesonstabilitytoexternalme-chanicalimpactswhileoperating.10.GOST12.2.007.0-75.Electro-technicaldevices.Thegeneralsafetyrequirements.EMCStandardsTheZXMBWR9100complieswiththefollowingEMCstandards:1.IECSpecialInternationalCommitteeonRadioInterference(CISPR)22(1997):Limitsandmethodsofmeasurementofradiodisturbancecharacteristicsofinformationtechnologyequipment.2.EN301489-1Part1:Commontechnicalrequirements.3.InternationalElectrotechnicalCommission(IEC)61000-6-1:1997:ElectromagneticCompatibility(EMC)-Part6:Genericstandards-Section1:Immunityforresidential,commercialandlight-industrialenvironments.4.InternationalElectrotechnicalCommission(IEC)61000-6-3:1996:ElectromagneticCompatibility(EMC)-Part6:Genericstandards-Section3:missionstandardforresidential,com-mercialandlightindustrialenvironments.5.InternationalElectrotechnicalCommission(IEC)61000-4-2(1995):ElectromagneticCompatibility(EMC)-Part4:T est-ConfidentialandProprietaryInformationofZTECORPORATION9
ZXMBWR9100TechnicalManualingandmeasurementtechniques-Section2:Electrostaticdischargeimmunitytest.6.InternationalElectrotechnicalCommission(IEC)61000-4-3(1995):ElectromagneticCompatibility(EMC)-Part4:T estingandmeasurementtechniques-Section3:Radiated,radio-fre-quencyelectromagneticeldimmunitytest.7.InternationalElectrotechnicalCommission(IEC)61000-4-4(1995):ElectromagneticCompatibility(EMC)-Part4:T estingandmeasurementtechniques-Section4:Electricalfasttransient/burstimmunitytest.8.InternationalElectrotechnicalCommission(IEC)61000-4-5(1995):Electro-MagneticCompatibility(EMC)-Part4:Test-ingandmeasurementtechniques-Section5:Surgeimmunitytest.9.InternationalElectrotechnicalCommission(IEC)61000-4-6(1996):Electro-MagneticCompatibility(EMC)-Part4:Testingandmeasurementtechniques-Section6:Immunitytocontacteddisturbances,inducedbyradiofrequencyelds.10.InternationalT elecommunicationsUnion(ITU)-TRecommen-dationK.20:ResistibilityofTelecommunicationSwitchingEquipmenttoOvervoltagesandOvercurrents.11.GOSTR51318.22-99:Electromagneticcompatibilityoftech-nicalequipment.Man-madenoisefrominformationalequip-ment.Limitsandtestmethods.12.GOST30429-96:Electromagneticcompatibilityoftechnicalequipment.Man-madenoisefromequipmentandapparatususedtogetherwithservicereceiversystemsofcivilapplica-tion.Limitsandtestmethods.EnvironmentStandardsTheZXMBWR9100complieswiththefollowingenvironmentstan-dards:1.InternationalElectrotechnicalCommission(IEC)60529"De-greesofprotectionprovidedbyenclosure(IPcode)".2.InternationalElectrotechnicalCommission(IEC)60721-3-1:Classicationofenvironmentalconditions-Part3:Classica-tionofgroupsofenvironmentalparametersandtheirseveri-ties-Section1:Storage3.InternationalElectrotechnicalCommission(IEC)60721-3-2:Classicationofenvironmentalconditions-Part3:Classica-tionofgroupsofenvironmentalparametersandtheirseveri-ties-Section2:Transportation.4.InternationalElectrotechnicalCommission(IEC)60721-3-3(1994):Classicationofenvironmentalconditions-Part3:Classicationofgroupsofenvironmentalparametersandtheirseverities-Section3:Stationaryuseatweatherprotectedlocations.5.EuropeanT elecommunicationStandard(ETS)300019-2-1:EquipmentEngineering(EE);Environmentalconditionsand10ConfidentialandProprietaryInformationofZTECORPORATION
Chapter1ProductOverviewenvironmentaltestsfortelecommunicationsequipment;Part2-1,SpecicationofenvironmentaltestsStorage.6.EuropeanT elecommunicationStandard(ETS)300019-2-2:EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment;Part2-2,SpecicationofenvironmentaltestsTransportation.7.EuropeanT elecommunicationStandard(ETS)300019-2-3:EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment;Part2-3,SpecicationofenvironmentaltestsTransportationSta-tionaryuseatweather-protectedlocations.8.InternationalElectrotechnicalCommission(IEC)60068-2-1(1990):Environmentaltesting-Part2:Tests.TestsA:Cold.9.InternationalElectrotechnicalCommission(IEC)60068-2-2(1974):Environmentaltesting-Part2:Tests.TestsB:Dryheat.10.InternationalElectrotechnicalCommission(IEC)60068-2-6(1995):Environmentaltesting-Part2:T ests-T estFc:Vibration(sinusoidal).11.GOST15150-69:Machines,instrumentsandotherindustrialarticles.Applicationsfordifferentclimaticregions.Categories,operating,storageandtransportationconditionsincompliancewiththeenvironmentalfactors.12.GOST23088-80:Electronicequipment.Requirementstopackingandtransportationandtestmethods.ConfidentialandProprietaryInformationofZTECORPORATION11
ZXMBWR9100TechnicalManualThispageisintentionallyblank.12ConfidentialandProprietaryInformationofZTECORPORATION
Chapter2HardwareDescriptionTableofContents:Cabinet............................................................................13Modules...........................................................................15Cables.............................................................................20MainAntennaFeederSystem.............................................22CabinetR9100CabinetStructureFigure4showsthecabinetstructureofZXMBWR9100.FIGURE4ZXMBWR9100CABINETSTRUCTURE1.Cabinet2.BottomPanel3.HandleConfidentialandProprietaryInformationofZTECORPORATION13
ZXMBWR9100TechnicalManualR9100InterfaceDescriptionShortDescriptionTheZXMBWR9100ishighlyintegrated.Onlyfourmodulesareusedandmanyexternalinterfacesareavailableonthepanel.ThepowerinterfaceconnectswiththeWRPMmodule,RFantennain-terfaceconnectswiththeWRFEmoduleandBDS-RFSOpticalFiberinterfacesconnectwiththeWTRXmodule.ZXMBWR9100ExternalInterfacesExternalinterfacesarelocatedontheZXMBWR9100bottomplate.Figure5showsthepositionoftheinterfacesontheZXMBWR9100panel.FIGURE5ZXMBWR9100EXTERNALINTERFACES1.BDS-RFSOpticalFiber(LC1/2)2.AntennaInterfaceStandardGroup(AISG)3.MonitoringInterface(MON)4.PowerInterface(DCIN)5.RFAntennaInterface(Port2/3)6.RFAntennaInterface(Port0/1)InterfaceDescriptionTable7ListsthedescriptionoftheexternalinterfacesofZXMBWR9100cabinet.TABLE7ZXMBWR9100EXTERNALINTERFACEDESCRIPTIONInterfaceDescriptionBDS-RFSFiberOptical(LC1/2)ThisinterfaceconnectstheODF.AntennaInterfaceStandardGroup(AISG)Thisisthetestinterface.TheIndoorAISGcontrolcableconnectstheWTRXboard.TheoutdoorAISGcontrolcableconnectstheantennaforadjustingtheazimuthoftheantenna.MonitoringInterface(MON)ThemonitoringcableconnectsbetweentheMONinterfaceonthecabinetwiththevariousmonitoringdevices.PowerInterface(DCIN)-48VDCpowercableconnectsbetweenDCINandthepowersource.14ConfidentialandProprietaryInformationofZTECORPORATION
Chapter2HardwareDescriptionInterfaceDescriptionRFAntennaInterface(Port2/3)TheRFcableconnectstheAntennawiththeport2/3ofthecabinet.RFAntennaInterface(Port0/1)TheRFcableconnectstheAntennawiththeport0/1ofthecabinet.ModulesModulesConstituentsTheZXMBWR9100iscomposedofWRFE,WRPM,WDPA,andWTRXmodules.Thephysicaldescriptionofthesemodulesaregivenbelow.�WiMAXRFFrontEndFilter(WRFE)ThedimensionofWRFEmoduleis200mmX230mmX25mm(widthXheightXdepth),excludingconnector .�WiMAXRRUPowerModule(WRPM)ThedimensionofWRPMmoduleis80mmX250mmX40mm(widthXheightXdepth),excludingconnector .�WiMAXDigitalPowerAmplier(WDPA)ThedimensionofWDPAmoduleis210mmX270mmX20mm(widthXheightXdepth),excludingconnector .�WiMAXTransmitter&Receiver(WTRX)ThedimensionofWTRXmoduleis210mmX330mmX25mm(widthXheightXdepth),excludingconnector .WRFEWRFEFunctionsShortDescriptionTheWRFEmoduleistheWiMAXRFFrontEndFiltermoduleofZXMBWR9100.TheWRFEmoduleperformsthefollowingfunctions.�TransfersRFsignaltoantenna.�FiltersRFsignals.�ProvideslightningproofforRFunit.�Isolatesuplinkanddownlinkasthereceivingandtransmittingpowerisdifferent.ConfidentialandProprietaryInformationofZTECORPORATION15
ZXMBWR9100TechnicalManualWRFEPerformanceSpecificationsShortDescriptionThefollowingdescribestheperformancespecicationsoftheWRFEmodule.WRFEPerfor-manceSpeci-cationsTable8liststheperformancespecicationsofWRFEmodule.TABLE8WRFEPERFORMANCESPECIFICATIONSIndexRangeFrequencyrange2300MHz~2400MHz2490MHz~2580MHz2600MHz~2690MHz3400MHz~3500MHz3500MHz~3600MHzWRPMWRPMFunctionsShortDescriptionInZXMBWR9100,theWiMAXRRUPowerModule(WRPM)isre-sponsibleforpowersupplyconversion.TheWRPMmoduleisop-tionalinsystemconguration.TheWRPMmoduleperformsthefollowingfunctions.�Powersupplyconversion�Lightningproof�EMIltering�Powersupplymanagementandalarm.WRPMWorkPrincipleShortDescriptionThefollowingdescribestheworkprincipleofWRPMmodule.16ConfidentialandProprietaryInformationofZTECORPORATION
Chapter2HardwareDescriptionWRPMWorkPrincipleFigure6showstheworkprincipleblockdiagramofWRPMmodule.FIGURE6WRPMWORKPRINCIPLEDescriptionTheWRPMmoduleconsistsofanEMIlteringunit,protectionunit,DC-DCconversionunitandalarmmonitoringunit.Thefunctionofeachcomponentisintroducedbelow.�EMIlteringunitprovideslteringfunction.�Protectionunitprovidesover-voltageorunder-voltagepro-tection.�DC-DCconversionunitprovidespowersupplyconversion.�Alarmmonitoringunitreportstheunder-voltage,over-volt-ageandover-currentalarms.WDPAWDPAFunctionsShortDescriptionInZXMBWR9100,theWiMAXDigitalPowerAmplier(WDPA)moduleampliestheRFpower .TheWDPAmoduleperformsthefollowingfunctions:�RFamplication�VSWRmeasurement�AlarmreportingWDPAWorkPrincipleShortDescriptionThefollowingdescribestheworkingprincipleofWiMAXDigitalPowerAmplier(WDPA)module.ConfidentialandProprietaryInformationofZTECORPORATION17
ZXMBWR9100TechnicalManualWDPAWorkPrincipleFigure7showstheworkprincipleblockdiagramofWDPAmodule.FIGURE7WDPAWORKPRINCIPLEDescriptionTheWDPAmoduleconsistsofanampliercircuit,circulator ,cou-pler ,powersupply,alarmreportingunitandLNA.Thefunctionofeachunitisdescribedbelow.�AmpliercircuitprovidesthemainRFamplicationchannel.�Circulatorseparatesthereceivingandsendingsignals.�CouplerextractstheRFsignaltransmittedbybasestation.ItisresponsibleformonitoringandmeasuringRFsignal.�Powersupplyunitprovidespowersupplyforeachunit.�Alarmreportingunitreportsthetemperature,high/lowpowerandstandingwavealarms.�LowNoiseAmplier(LNA)ampliesthereceivedsignals.WTRXWTRXFunctionsShortDescriptionInZXMBWR9100,theWiMAXTransmitter&Receiver(WTRX)moduleisusedforRFup/down-conversion.TheWTRXmoduleperformsthefollowingfunctions:�BasebandRFclockextracting,restoringanddistributing�RRUcentralizedmonitoring�Digitalintermediatefrequencyprocessing�RFsmallsignalup/down-conversion�Powersupplygeneration�SupportsOBSAI-RP3interface.18ConfidentialandProprietaryInformationofZTECORPORATION
Chapter2HardwareDescriptionWTRXWorkPrincipleWTRXWorkPrincipleFigure8showstheworkprincipleblockdiagramofWTRXmodule.FIGURE8WTRXWORKPRINCIPLEDescriptionTheWTRXmoduleconsistsofanOpticalberinterfacecircuit,In-termediatefrequencyprocessingcircuit,Clockprocessingcircuit,RFprocessingcircuit,Centralizedmonitoringcircuit,andPowersupplyprocessingcircuit.Thefunctionofeachunitisdescribedbelow.�OpticalberinterfacecircuitinterfaceswithBBU,anditsupportsopticalberloopbacknetworkingandopticalberconcatenatingnetworking.Theframepackingandunpackinginopticalberarealsosupported.�IntermediatefrequencyprocessingcircuitandRFpro-cessingcircuitaccomplishestheforwardtransmissionprocess;receivesbasebandsignal,performsup-conversionandsendstopoweramplierafteramplication.Italsoperformsstandingwavecheckingatantennafeederinterface,forwardautomaticcalibrationandmanualcalibration.Thecircuitalsoaccomplishesthereversereceivingprocess;receivesRFWiMAXsignalinreversedirection;performspassbandltering,lownoiseamplication,RFfrequencymixinganddigitaldown-conversiontobasebandrate.Afteropticalinter-faceprocessing,thesignalistransmittedtoBasestationBase-bandUnit(BBU)viaanOpenBaseStationArchitectureInitia-tive(OBSAI)protocol.ItalsoperformsthereverseReceivedSignalStrengthIndicator(RSSI)measurementandAutomaticGainControl(AGC).�Clockprocessingcircuitrestores,converts,anddistributestheclocks.Italsoreportsthetemperature,low/highpower ,andstandingwavealarms.�Centralizedmonitoringcircuitmonitorsandmanagesthepowersupply,versionandelectronicadjustingantenna.ItmonitorstheexteriordevicesviatrunkingnodeandRS232orRS485.ItalsoregeneratestheTDDtimesequences.ConfidentialandProprietaryInformationofZTECORPORATION19
ZXMBWR9100TechnicalManual�Powersupplyprocessingcircuitprovidespowersupplyforeachunit.CablesCablesListTheZXMBWR9100usesthefollowingcablesaccordingtotheap-plications:�PowerSupplycable�Groundingcable�Opticalber�RFJumperDCPowerCableCurrentlyZXMBWR9100supports-48VDCpowersupplyonly.ThepowercabledirectlyconnectsDCinputpowersourcewithDCINinterfaceatZXMBWR9100cabinetbottom.Figure9showsthestructureof-48VDCpowercable.FIGURE9ZXMBWR9100DCPOWERCABLESTRUCTUREGroundingCableThegroundingcableismadeof10mm2yellow/greenburning-preventioncable.Circularunsheathedcrimpingconnectors(lug)areusedatbothends(AandB).Figure10showsthestructureofgroundingcable.20ConfidentialandProprietaryInformationofZTECORPORATION
Chapter2HardwareDescriptionFIGURE10GROUNDINGCABLESTRUCTUREOpticalFiberOpticalFiberStructureFigure11showstheopticalberstructureusedinZXMBWR9100.FIGURE11ZXMBWR9100OPTICALFIBERSTRUCTUREDescriptionThefollowingdescribessomeofthekeypointsrelatedtothephys-icalstructureofthebercable.�ThecableisasinglemodeberwithLC/PC-DLC/PCconnector .�Thesheathusuallyisblack.Thetwocorewiresareyellowandblue.�Thesheathdiameteris7mm.RFJumperCableRFjumpercableisusedtotransfersignalsbetweenZXMBWR9100cabinetandantenna,betweenZXMBWR9100cabinetandmainfeedercable,andbetweenmainfeedercableandantenna.ThelengthoftheRFjumpercableisdeterminedaccordingtotheactualsituation.WhenthedistancebetweenantennaandZXMBWR9100cabinetislessandtheadoptedfeedercableisof1/2in.then,thejumperca-bleisnotused,ratherZXMBWR9100cabinetisdirectlyconnectedwiththefeedercableandfeedercableisconnectedtotheantenna.Iftheadoptedfeedercableisof7/8in.or5/4in.thenjumperisused.Figure12showstheRFjumpercable.ConfidentialandProprietaryInformationofZTECORPORATION21
ZXMBWR9100TechnicalManualFIGURE12RFJUMPERCABLEMainAntennaFeederSystemMainAntennaFeederSystemStructureThemainantennafeedersystemconsistsoftheequipmentsre-latedtoantennaandfeeder .Figure13illustratesatypicalstructureofthemainantennafeedersystem.22ConfidentialandProprietaryInformationofZTECORPORATION
Chapter2HardwareDescriptionFIGURE13MAINANTENNAFEEDERSYSTEMSTRUCTURE1.LightningRod2.Antenna3.Antennajumpers4.Lightningproofgroundingclip5.Mainfeedercable6.Irontower7.Cablingrack8.Cabinetjumper9.CabinetNote:�SinceRFtransmissionpowerofZXMBWR9100isrelativelyweak,theantennaisinstallednearertothecabinet.Itusuallyadoptsself-carriedfeedercable.1/2″or7/8"feedercablesareadoptedonlywhentheantennaisfarfromthecabinet.�Usually,thenumberofantennasrangebetweentwotofour .ConfidentialandProprietaryInformationofZTECORPORATION23
ZXMBWR9100TechnicalManualAntennaStructureAntennaisanimportantradioequipmentadoptedtotransmitandreceiveelectromagneticwave.Antennaisdividedintoomnian-tennaanddirectionalantennabyradiationdirection;accordingtopolarizationmode,antennacanbedividedintosingle-polarizedantennaandbi-polarizationantenna.Figure14illustratestheap-pearanceofomniantennaanddirectionalantenna.FIGURE14THEAPPEARANCEOFOMNIANTENNAANDDIRECTIONALANTENNAFeederThefeederisusedtoreceiveandtransmitradioRFsignalsbetweentheantennaandtheZXMBWR9100.Therearemanytypesoffeedercablessuchas1/2inchand7/8inchfeedercable.WhenthedistancebetweentheZXMBWR9100cabinetandan-tennaisless,then1/2inchfeedercableisused.Inthiscase,ZXMBWR9100cabinetisdirectlyconnectedtothe1/2inchfeederand1/2inchfeedercableisconnectedtoantenna.WhenthedistancebetweentheZXMBWR9100cabinetandan-tennaismore,then7/8inchfeedercableisused.Inthiscase,ZXMBWR9100cabinetisrstconnectedtothejumper ,thenjumperisconnectedto7/8inchfeedercable,and7/8inchfeeder24ConfidentialandProprietaryInformationofZTECORPORATION
Chapter2HardwareDescriptioncableisagainconnectedtojumperandlastlyjumperisconnectedtoantenna.TheantennamayhaveNtypeorDINtypeinterface.ThefeederisadaptedtofemaleandmaleNconnectors.UsuallybothendsofthedeliveredfeederaremaleNconnectortofacilitateon-siteinstallation.ConfidentialandProprietaryInformationofZTECORPORATION25
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Chapter3ProtocolInterfaceDescriptionTableofContents:ASNNetworkReferenceModel.............................................27R1Interface.....................................................................29Baseband-RFInterface.......................................................31ASNNetworkReferenceModelThefollowingdescribestheAccessServiceNetwork(ASN)networkreferencemodel.TheASNnetworkreferencemodeldevelopedbytheWiMAX(WorldwideInter-operabilityforMicrowaveAccess)NWG(NetWorkGroup)isshowninFigure15.ConfidentialandProprietaryInformationofZTECORPORATION27
ZXMBWR9100TechnicalManualFIGURE15ASNNETWORKREFERENCEMODELTheinterfaceofFigure15aredescribedinT able9.TABLE9INTERFACESDESCRIPTIONInterfaceNameDescriptionR1AirinterfacebetweentheterminalandtheRRU.R3TheinterfacebetweentheAGW(ASN-GW,AccessServiceNetworkGateWay)andtheCN.R4InterfacebetweenASNs,i.e.theinterfacebetweenAGWs.Itimplementssomeswitching-relatedsignalingandestablisheddatachanneltomaintaindataintegrityduringswitching.R6TheinterfacebetweentheAGWandtheBS.R7InternalinterfaceoftheAGW.Itisselective.ItdividestheAGWintostrategyjudgmentfunctionandimplementingfunction.R8InterfacebetweenBSs.28ConfidentialandProprietaryInformationofZTECORPORATION
Chapter3ProtocolInterfaceDescriptionR1InterfaceR1InterfaceFunctionsTheR1interfaceperformsthefollowingfunctions:�Co-operateswiththeBasestationBasebandUnit(BBU)toperformmeasurement,management,andcontrolofradioresources.�ReceivesandtransmitsRFsignals.R1MessageFormatDescriptionFigure16illustratesmanagementmessageformatoftheR1inter-faceofMediaAccessControl(MAC)Layer .FIGURE16R1MESSAGEFORMATThemanagementmessagesofMACLayerarepresentedinMACProtocolDataUnit(PDU)payload.AllmanagementmessagesofMACLayerarecomposedofaninitialeld"ManagementMessageType"and"ManagementMessagePayload".Thelengthofthe"ManagementMessageType"is8bit;thetypeofthemanage-mentmessagedependsontherequirementsofanairinterfaceprotocolinIEEE802.16.TheMACmanagementmessagesinbasicconnection,broadcastconnection,andinitialdistance-testingconnectionarenotdividedintochipsorboundintopackets.ButtheMACmanagementmes-sagesintheprimarymanagementconnectioncanbedividedintochipsorboundintopackets.R1ProtocolStackOverviewFigure17illustratesaschematicdiagramofR1InterfaceProtocolStack.ConfidentialandProprietaryInformationofZTECORPORATION29
ZXMBWR9100TechnicalManualFIGURE17R1INTERFACEPROTOCOLSTACKTheR1interfaceprotocolstackincludesMACLayerandPHYLayer .MACLayerofR1ProtocolStackDescriptionMAClayerofR1protocolstackcontainsthreesub-layers(fromtoptobottom);Service-SpecicConvergenceSub-layer(CS),MACCommonPartSub-layer(MACCPS)andSecuritySub-layer .1.Service-SpecicConvergenceSub-layer(CS)DifferentprotocolinterfacesprovidedifferentCSspecications.ThefunctionofService-SpecicConvergenceSub-layer(CS)istoconvert/maptheexternaldatareceivedbytheConver-genceSub-layerServiceAccessPoint(CSSAP)intoMACSer-viceDataUnit(MACSDU)andsendittotheMACCPSthroughtheMACServiceAccessPoint(MACSAP).TheotherfunctionofthislayeristosortexternalSDUsassociatedwithsuitableServiceFlowIdentier(SFID),ConnectionIdentier(CID)andPayloadHeaderSuppression(PHS).2.MACCommonPartSub-layer(MACCPS)MACCPSdoesnotneedtoanalyzetheloadinformationoftheCS.MACCPSrealizesthecorefunctionoftheMAClayerinclud-ingbandwidthdistribution,connectionestablishmentandcon-nectionmaintenance.ItreceivesdataofdifferentCSlayersthroughMACSAPandsortthembasedondifferentMACcon-nection.QualityofService(QoS)isappliedindatatransmis-sionandschedulingofphysicallayer .Data,PHYcontrolinformationandstatisticalinformationbe-tweentheMACCPSandPHYistransmittedthroughPHYSAP .3.SecuritySub-layerMACcontainsanindependentsecuritysub-layertoprovideau-thentication,securitykeyexchangeandrealizeencryption.30ConfidentialandProprietaryInformationofZTECORPORATION
Chapter3ProtocolInterfaceDescriptionPHYLayerofR1ProtocolStackDescriptionThePHYlayerofR1protocolstackcontainsmultipleregulations.Eachregulationcorrespondstoaspecicfrequencyrangeandap-plication.ThePHYlayerofR1protocolstackisbasedonthemodulatingmodeofOrthogonalFrequencyDivisionMultiplexing(OFDM).Baseband-RFInterfaceBaseband-RFInterfaceFunctionsTheZXMBWR9100baseband-RFinterfaceperformsthefollowingfunctions:�Datatransmissionfromber-opticalinterfaces�DownlinkI/QdatasignalsfromtheBasestationBasebandUnit(BBU).�UplinkI/QsignalsreceivedbytheZXMBWR9100.�Exchangeofcontrolsignaling�ZXMBWR9100runningstatusmeasurementsignalingandmeasurementresultfeedback.�ResetsignalingandexecutionfeedbackofallboardsintheR01P .�Linktest,alarmreportandprocessingbetweentheZXMBWR9100andtheBBU.�Interactionofcongurationsignaling�I/Qchannelconguration.�Frequencypointinitiationandreallocation.�RFpowerconguration,timelyreportoflaunchedpower ,andreportofReceivedSignalStrengthIndicator(RSSI)measurement.�Congurationandre-congurationofenvironmentmoni-toringthreshold.OBSAIFrameStructureOverviewThethreelayersofanOpenBaseStationArchitectureInitiative(OBSAI)frameareMessageFrame,MessageGroup(MG)andMas-terFrame.MessageFrameMessageFrameisthebasicunitofanOBSAI.Thetotallengthoftheframeis19bytes,andiscomposedofaddress,type,timestamp(T-Stamp)andpayload.ConfidentialandProprietaryInformationofZTECORPORATION31
ZXMBWR9100TechnicalManualFigure18illustratesmessageframeformat.FIGURE18MESSAGEFRAMEFORMATTable10showsthelengthofeachpartofamessageframe.TABLE10MESSAGEFRAME’SFIELDLENGTHFieldNameLength(bits)Address13Type5Timestamp(T-Stamp)6Payload128Totallength152(19bytes)MessageGroup(MG)EachMGcontainsM_MGpiecesofmessageandK_MGpiecesofIDLEcode.ThenumberofbytesinaMGisM_MG*19+K_MG=21*19+1=400(Bytes).Figure19illustratesthestructureofMG.FIGURE19MESSAGEGROUPSTRUCTUREARP3framecontainsN_MGpiecesofMGandthelengthis(I*N_MG*(M_MG*19bytes+K_MG*1)).Iistheratelevel(1,2,4).TherecommendedstandardsareM_MG=21,K_MG=1andN_MG=1920.MasterFrameThenumberofbytesinaMasterFrame(10ms)areI*1920*400=I*768000(Bytes),whereI=1,2,4.OBSAIsupports3kindsofratelevels:1x,2x,and4x.Figure20illustratesframeformatundereachratelevel.32ConfidentialandProprietaryInformationofZTECORPORATION
Chapter3ProtocolInterfaceDescriptionFIGURE20MASTERFRAMEFORMATThemasterframeunderthe3ratelevelsis10ms.Thelinerateis:(I*768000/10ms)*8*10/8=I*768Mbps.For1x,2xand4x,therateare768Mbps,1536Mbpsand3072Mbpsrespectively.Theusualopticalmodulesareof1.25Gand2.5Gandcannotsuittheabovevalues.Therefore,thestandardrateofOBSAIisadjustedtoM_MG=42,K_MG=2,N_MG=768torealizethe1xrateof614.4Mbps,2xrateof1228.8Mbpsand4xrateof2457.6Mbps.Therefore,transmissioncanberealizedin1.25Gand2.5Gopticalmodules.Baseband-RFInterfacePhysicalLayerOverviewThephysicallayerofthebaseband-RFinterfaceisbasedondiffer-entialsignalingtechnology.Differentialsignalingwithclockdatarecoverycircuitprovideshigh-speedserialdatatransmissionbe-tweentheRFandbasebandmodules.Italsohelpsreducepowerconsumptionandincreasessystemreliability.FeaturesThefeaturesofthebaseband-RFinterfacephysicallayerare:�AdaptiveModulationandCoding(AMC)�Fastchannelfeedback�Mutiple-inMultiple-out(MIMO)�Multipleantennasonsenderandreceivers�Increasedspectralefciency�HybridAutomaticRepeatRequest(HARQ)�Adjustsautomaticallytochannelconditions�Addsredundancyonlywhenneeded�ReceiversavesfailedtransmissionattemptstohelpfuturedecodingConfidentialandProprietaryInformationofZTECORPORATION33
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FiguresFigure1ZXMBWR9100PositioninBS...................................1Figure2ZXMBWR9100Appearance......................................2Figure3ZXMBWR9100SystemStructure..............................3Figure4ZXMBWR9100CabinetStructure............................13Figure5ZXMBWR9100ExternalInterfaces..........................14Figure6WRPMWorkPrinciple.............................................17Figure7WDPAWorkPrinciple.............................................18Figure8WTRXWorkPrinciple.............................................19Figure9ZXMBWR9100DCPowerCableStructure.................20Figure10GroundingCableStructure....................................21Figure11ZXMBWR9100OpticalFiberStructure....................21Figure12RFJumperCable.................................................22Figure13MainAntennaFeederSystemStructure..................23Figure14Theappearanceofomniantennaanddirectionalantenna...........................................................24Figure15ASNNetworkReferenceModel..............................28Figure16R1MessageFormat.............................................29Figure17R1InterfaceProtocolStack...................................30Figure18MessageFrameFormat........................................32Figure19MessageGroupStructure.....................................32Figure20MasterFrameFormat...........................................33ConfidentialandProprietaryInformationofZTECORPORATION35
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TablesTable1NetworkElements....................................................2Table2PhysicalSpecications..............................................6Table3T emperatureandHumiditySpecications....................6Table4PowerSupplySpecications......................................7Table5PowerConsumptionSpecications.............................7Table6RFPowerSpecications............................................7Table7ZXMBWR9100ExternalInterfaceDescription.............14Table8WRFEPerformanceSpecications..............................16Table9InterfacesDescription.............................................28Table10MessageFrame’sFieldLength.................................32ConfidentialandProprietaryInformationofZTECORPORATION37
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IndexAAGC.............................4,19AMC................................33BBBU....................2–4,19,31BS.....................................2CCAN/CSA............................9CE.....................................5CID.................................30CISPR................................9CS...................................30EEE...................................11EMC.................................10EMI.................................16ETS.............................8,10FFCC...................................5HHARQ..............................33IIEC..............................8–10IEEE............................8,29ITU..............................8,10LLNA.................................18MMAC...........................29–30MACCPS..........................30MACSDU.........................30MG..................................32MIMO.................................3MS....................................2OOBSAI........................19,31OBSAI-RP3.......................18PPHS.................................30PHY............................30–31PICS..................................8RR9100................................2RF...............4,15,18–19,29RRU.................................18RS232.............................19RS485.............................19RSSI..........................19,31SSFID................................30TTDD.................................19UUL.................................5,9WWDPA...................15,17–18WiMAX...............................8WRFE......................3,15–16WRPM.........................15–16WTRX...............3,15,18–19ConfidentialandProprietaryInformationofZTECORPORATION39
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ListofGlossaryAGW-AccessServiceNetworkGateWayAISG-AntennaInterfaceStandardsGroupASN-AccessServiceNetworkBBU-BaseBandUnitBBU-BaseBandUnitBS-BaseStationCN-CoreNetworkEMI-ElectromagneticInterferenceGPS-GlobalPositioningSystemLNA-LowNoiseAmplierMAC-MediaAccessControlMG-MessageGroupMIMO-Multiple-InputMultiple-OutputMS-MobileStationOBSAI-OpenBaseStationArchitectureInitiativeOFDM-OrthogonalFrequencyDivisionMultiplexingPDU-ProtocolDataUnitQoS-QualityofServiceTheperformancespecicationofacommunicationschannelorsys-tem.QOSmaybequantitativelyindicatedbychannelorsystemperformanceparameters,suchassignal-to-noiseratio(S/N),biterrorratio(BER),messagethroughputrate,andcallblockingprob-ability.QOSisasubjectiveratingoftelephonecommunicationsqualityinwhichlistenersjudgetransmissionsbyqualiers,suchasexcellent,good,fair ,poor ,orunsatisfactory.RF-RadioFrequencyRRU-RemoteRadioUnitRSSI-ReceivedSignalStrengthIndicatorThemeasuredpowerofareceivedsignal.TDD-TimeDivisionDuplexAtransmissionmethodthatusesonlyonechannelfortransmittingandreceiving,separatingthembydifferenttimeslots.Noguardbandisused.Thisincreasesspectralefciencybyeliminatingthebufferband,butalsoincreasesexibilityinasynchronousapplica-tions.Forexample,iflesstrafctravelsupstream,thetimesliceforthatdirectioncanbereduced,andreallocatedtodownstreamtrafc.VSWR-VoltageStandingWaveRatioWDPA-WiMAXDigitalPowerAmplierConfidentialandProprietaryInformationofZTECORPORATION41
ZXMBWR9100TechnicalManualWiMAX-WorldwideInteroperabilityforMicrowaveAccessWRFE-WiMAXRFFrontEndFilterWRPM-WiMAXRRUPowerModuleWTRX-WiMAXTransmitter&Receiver42ConfidentialandProprietaryInformationofZTECORPORATION

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