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C806
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ZTE C806 Users Manual

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ZTECORPORATION NO.55,Hi-techRoadSouth,ShenZhen,P .R.China Postcode:518057 Tel:+86-755-26771900 Fax:+86-755-26770801 URL:http://ensupport.zte.com.cn E-mail:support@zte.com.cn
ZXSDRR8860
CDMARemoteRadioUnit-8860
TechnicalManual
Page 2
LEGALINFORMATION
Copyright©2011ZTECORPORA TION.
Thecontentsofthisdocumentareprotectedbycopyrightlawsandinternationaltreaties.Anyreproductionor
distributionofthisdocumentoranyportionofthisdocument,inanyformbyanymeans,withoutthepriorwritten
consentofZTECORPORATIONisprohibited.Additionally,thecontentsofthisdocumentareprotectedby
contractualcondentialityobligations.
Allcompany,brandandproductnamesaretradeorservicemarks,orregisteredtradeorservicemarks,ofZTE
CORPORATIONoroftheirrespectiveowners.
Thisdocumentisprovided“asis”,andallexpress,implied,orstatutorywarranties,representationsorconditions
aredisclaimed,includingwithoutlimitationanyimpliedwarrantyofmerchantability,tnessforaparticularpurpose,
titleornon-infringement.ZTECORPORATIONanditslicensorsshallnotbeliablefordamagesresultingfromthe
useoforrelianceontheinformationcontainedherein.
ZTECORPORA TIONoritslicensorsmayhavecurrentorpendingintellectualpropertyrightsorapplications
coveringthesubjectmatterofthisdocument.ExceptasexpresslyprovidedinanywrittenlicensebetweenZTE
CORPORATIONanditslicensee,theuserofthisdocumentshallnotacquireanylicensetothesubjectmatter
herein.
ZTECORPORA TIONreservestherighttoupgradeormaketechnicalchangetothisproductwithoutfurthernotice.
UsersmayvisitZTEtechnicalsupportwebsitehttp://ensupport.zte.com.cntoinquirerelatedinformation.
TheultimaterighttointerpretthisproductresidesinZTECORPORATION.
RevisionHistory
RevisionNo.RevisionDateRevisionReason
R1.008/30/2010FirstEdition
SerialNumber:SJ-20100722143906-001
PublishingDate:08/30/2010
Page 3

DeclarationofRoHS Compliance

Tominimizetheenvironmentalimpactandtakemoreresponsibilitytotheearthwelive, thisdocumentshallserveasformaldeclarationthatZXSDRR8860manufacturedby ZTECORPORATIONareincompliancewiththeDirective2002/95/ECoftheEuropean Parliament-RoHS(RestrictionofHazardousSubstances)withrespecttothefollowing substances:
lLead(Pb) lMercury(Hg) lCadmium(Cd) lHexavalentChromium(Cr(VI)) lPolyBrominatedBiphenyls(PBB’s) lPolyBrominatedDiphenylEthers(PBDE’s)
…
TheZXSDRR8860manufacturedbyZTECORPORA TIONmeettherequirementsofEU2002/95/EC;
however,someassembliesarecustomizedtoclientspecications.Additionofspecialized,
customer-speciedmaterialsorprocesseswhichdonotmeettherequirementsofEU2002/95/EC
maynegateRoHScomplianceoftheassembly.T oguaranteecomplianceoftheassembly,the
needforcompliantproductmustbecommunicatedtoZTECORPORATIONinwrittenform.This
declarationisissuedbasedonourcurrentlevelofknowledge.Sinceconditionsofuseareoutside
ourcontrol,ZTECORPORATIONmakesnowarranties,expressorimplied,andassumesnoliability
inconnectionwiththeuseofthisinformation.
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FCC&ICSTATEMENT

Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowing twoconditions:
1.Thisdevicemaynotcauseharmfulinterference.
2.Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmay causeundesiredoperation.
ThisClass[A]digitalapparatuscomplieswithCanadianICES-003.
Note:
Workingwiththeequipmentwhileinoperation,mayexposethetechniciantoRF electromagneticeldsthatexceedFCCrulesforhumanexposure.VisittheFCC websiteatwww.fcc.gov/oet/rfsafetytolearnmoreabouttheeffectsofexposuretoRF electromagneticelds.
Changesormodicationstothisunitnotexpresslyapprovedbythepartyresponsiblefor compliancewillvoidtheuser’sauthoritytooperatetheequipment.Anychangetothe equipmentwillvoidFCCandICgrant.
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassAdigital device,pursuanttotheFCCandICRules.Thisequipmentgenerates,usesandcan radiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththe instructions,maycauseharmfulinterferencetoradiocommunications.However,thereis noguaranteethatinterferencewillnotoccurinaparticularinstallation.
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RFExposureInformationfor PMR

TheproductgeneratesRFelectromagneticenergyduringtransmitmode.
Thisradioisdesignedforandclassiedas“OccupationalUseOnly”,meaningitmust beusedonlyduringthecourseofemploymentbyindividualsawareofthehazards,and thewaystominimizesuchhazards.ThisradioisNOTintendedforusebythe“General Population”inanuncontrolledenvironment.
ThisradiohasbeentestedandcomplieswiththeFCCRFexposurelimitsfor“Occupational UseOnly”.
Inaddition,theproductcomplieswiththefollowingStandardsandGuidelineswithregard toRFenergyandelectromagneticenergylevelsandevaluationofsuchlevelsforexposure tohumans:
1.FCCOETBulletin65Edition97-01SupplementC,EvaluatingCompliancewithFCC GuidelinesforHumanExposuretoRadioFrequencyElectromagneticFields.
2.tAmericanNationalStandardsInstitute(C95.1-1992),IEEEStandardforSafetyLevels withRespecttoHumanExposuretoRadioFrequencyElectromagneticFields,3kHz to300GHz.
3.AmericanNationalStandardsInstitute(C95.3-1992),IEEERecommendedPractice fortheMeasurementofPotentiallyHazardousElectromagneticFields–RFand Microwave.
4.Thefollowingaccessoriesareauthorizedforusewiththisproduct.Useofaccessories otherthanthose(listedintheinstruction)speciedmayresultinRFexposurelevels exceedingtheFCCrequirementsforwirelessRFexposure.
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AboutThisManual

Purpose
ZXSDRR8860isanoutdoorremoteRFunit.ComposinganintegratedBTS,ZXSDR R8860andZXSDRR8860implementwirelesstransmissionwithincoverageareas,control ofwirelesschannelaswellascommunicationwithBSC.
ThismanualprovidesZXSDRR8860productoverview,whichwillhelpthereaders knowtheproduct’sfunction,principle,specication,features,cabinet,modules,external interfacesandcables.
IntendedAudience
Thisdocumentisintendedforengineersandtechnicianswhoperformoperationactivities ZXSDRR8860.
lEngineeringtechnicians lEquipmentinstallationengineers lEquipmentcommissioningengineers
PrerequisiteSkillandKnowledge
Tousethisdocumenteffectively,usersshouldhaveageneralunderstandingofZXSDR R8860equipmentanditscomponents.Familiaritywiththefollowingishelpful:
lZXSDRR8860hardwarestructure lBasicsoftwareknowledge
WhatisinThisManual
Thismanualcontainsthefollowingchapters.
ChapterSummary
Chapter1Product
Overview
Chapter2
Hardware
Description
Chapter3
ProtocolInterface
Description
Thischapterdescribesproduct’sfunction,specication,featuresandtechnical
specications.
Thischapterdescribesproduct’smodulefunctionandworkprinciple,cables’s
structureandmainantennasystem.
Thischapterdescribesproduct’sprotocolinterfaces.
Conventions
ZTEdocumentsemploythefollowingtypographicalconventions.
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TypefaceMeaning
ItalicsReferencestootherManualsanddocuments.
“Quotes”Linksonscreens.
BoldMenus,menuoptions,functionnames,inputelds,radiobuttonnames,check
boxes,drop-downlists,dialogboxnames,windownames.
CAPSKeysonthekeyboardandbuttonsonscreensandcompanyname.
Note:Providesadditionalinformationaboutacertaintopic.
Checkpoint:Indicatesthataparticularstepneedstobecheckedbefore
proceedingfurther.
Tip:Indicatesasuggestionorhinttomakethingseasierormoreproductive
forthereader.
Mouseoperationconventionsarelistedasfollows:
TypefaceMeaning
ClickReferstoclickingtheprimarymousebutton(usuallytheleftmousebutton)once.
Double-clickReferstoquicklyclickingtheprimarymousebutton(usuallytheleftmousebutton)
twice.
Right-clickReferstoclickingthesecondarymousebutton(usuallytherightmousebutton)
once.
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Contents
DeclarationofRoHSCompliance.................................................................I
FCC&ICSTA TEMENT...................................................................................I
RFExposureInformationforPMR................................................................I
AboutThisManual.........................................................................................I
Chapter1ProductOverview.....................................................................1-1
1.1DistributedZTEBTSSolution..............................................................................1-1
1.2PositionintheNetwork.......................................................................................
1.3Appearance.......................................................................................................1-3
1.4Functions...........................................................................................................1-4
1.5Features............................................................................................................1-5
1.6ExternalInterfaces.............................................................................................
1.7ApplicationScenarios.........................................................................................
1.8WorkPrinciple..................................................................................................1-10
1.8.1SystemStructure....................................................................................1-10
1.8.2SignalFlow............................................................................................1-10
1.9Networking.......................................................................................................1-11
1.9.1Baseband-RFInterfaceNetworking..........................................................1-11
1.9.2CascadeNetworking..............................................................................1-12
1.9.3FrequencyExtensionNetworking............................................................1-12
1.10EquipmentManagementModes......................................................................
1.10.1OMCMode..........................................................................................1-13
1.10.2LMTMode...........................................................................................1-14
1.11T echnicalIndices............................................................................................1-15
1-13
1-2
1-6
1-7
1.11.1EngineeringIndices..............................................................................
1.11.2PerformanceIndices.............................................................................
1.11.3RFIndicies...........................................................................................1-17
1.12ComplianceStandards....................................................................................
Chapter2HardwareDescriptions.............................................................
2.1Cabinet..............................................................................................................2-1
2.1.1ExternalStructure....................................................................................
2.1.2IndoorStructure.......................................................................................2-2
2.1.3VentilationandHeat-dissipationPrinciples.................................................
2.2Modules.............................................................................................................2-3
I
1-15
1-16
1-18
2-1
2-1
2-3
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2.2.1ModulesList............................................................................................2-3
2.2.2FilterLNA(FL).........................................................................................2-3
2.2.3Transceiver(TR)......................................................................................2-4
2.2.4PowerAmplier(PA)................................................................................
2.2.5Power......................................................................................................2-5
2.3ExternalCables..................................................................................................
2.3.1DCPowerCable......................................................................................2-5
2.3.2GroundingCable......................................................................................
2.3.3AISGControlCable..................................................................................
2.3.4OpticalFiberCable...................................................................................
2.3.5EnvironmentMonitoringCable..................................................................2-7
2.3.6CarrierSectorExtensionCable.................................................................
2.3.7RFJumperCable.....................................................................................2-9
2.4MainAntennaFeederSystem...........................................................................2-10
2.4.1MainAntennaFeederSystemStructure...................................................2-10
2.4.2Antenna.................................................................................................2-14
2.4.3FeederStructure....................................................................................2-15
Chapter3ProtocolInterfaceDescription.................................................3-1
3.1NetworkReferenceModel...................................................................................
2-5
2-5
2-6
2-6
2-7
2-8
3-1
3.2UmInterface......................................................................................................3-2
3.3Baseband—RFInterface....................................................................................3-6
Figures.............................................................................................................I
Tables............................................................................................................III
Glossary.........................................................................................................V
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Chapter1
ProductOverview
TableofContents
DistributedZTEBTSSolution.....................................................................................1-1
PositionintheNetwork...............................................................................................1-2
Appearance................................................................................................................1-3
Functions...................................................................................................................
Features.....................................................................................................................1-5
ExternalInterfaces.....................................................................................................
ApplicationScenarios.................................................................................................1-7
WorkPrinciple..........................................................................................................1-10
Networking...............................................................................................................
EquipmentManagementModes...............................................................................
TechnicalIndices......................................................................................................
ComplianceStandards.............................................................................................1-18
1-4
1-6
1-11 1-13 1-15

1.1DistributedZTEBTSSolution

Inordertoprovidemorecompetitivecommunicationdevicesandsolutionsforcustomers, ZTEprovidesdistributedZTECDMA2000BBU+RRUsolutiontoaccomplishservice functionsofCDMA2000BTSs.
Figure1-1showsthearchitectureofdistributedZTEBTSsolution.
Figure1-1DistributedZTEBTSSolution
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ZXSDRR8860T echnicalManual
ThedistributedBTSsolutionofZTECDMA2000BBU+RRUhasthefollowingadvantages:
lLowlaborandengineeringexpenses.
lLowroomrentandquicknetworkestablishment.
lConvenientupgradingandexpansion.
lDecreaseinthetotalnumberofsites.
Itssmallsizeandlightnessfacilitatestransportationandengineeringinstallation.
Itisapplicabletovariousscenarios.Itcanbeinstalledonatower,abuildingtopor awall.Theexibleadaptabilityfacilitatesquicknetworkdeploymentandsavesroom rentsandnetworkoperationexpenses,takingadvantageofTime-To-Market.
Itsupportsmultiplecarriersectors.Thenumberofcabinetsvarieswiththeactual situation.
TheRRUcanbeinstalledasclosetotheantennaaspossible,whichsavesfeeder expenses,reducesfeederloss,improvesRRUon-topoutputpowerandincreasesthe coverage.
lLowpowerconsumption.
ComparedwithtraditionalBTSs,thedistributedBBU+RRUBTShaslowerpower consumption,whichreducespowerinvestment,saveselectricalexpensesand networkoperationcost.
lDistributednetworkingmode.
ItsupportsstarandchainnetworkingbetweenBBUsandRRUs,effectivelymaking fulluseofnetworkresources.
lAdvanceduniversalBTSplatform.
TheBBUusesaB3Gand4Gorientedplatformthatimplementsvariousstandards sothatasingleBTScansupportmultiplestandards.Thishelpsoperatorsintegrate multipleBTSsintoamulti-modeBTS,simplifyingthemanagementofBTSssothat operatorscanexiblychoosenetworkevolutiondirectionsanduserscanenjoythe transparenceandsmoothevolutionofnetworks.

1.2PositionintheNetwork

ZXSDRR8860isanoutdoorremoteRadioFrequency(RF)unitofZTECDMA2000series. ZXSDRR8860,togetherwiththeBBU,constitutesanintegratedBaseTransceiverStation (BTS).ZXSDRR8860implementswirelesstransmissioninitscoveragearea.Figure1-2 showsthepositionofZXSDRR8860(RRU)intheCDMAnetwork.
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Figure1-2ZXSDRR8860PositionintheNetwork
Chapter1ProductOverview

1.3Appearance

TheZXSDRR8860cabinetisplatedwithmaterialsthatareapplicabletooutdoor environments.Figure1-3showstheZXSDRR8860cabinetappearance.
Figure1-3ZXSDRR8860CabinetAppearance
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1.4Functions

Table1-1describesZXSDRR8860functions.
Table1-1ZXSDRR8860Functions
RF
FunctionDescription
Band:
800MHzBandClass0
1900MHzPCS
450MHz(BandClass5)
850MHz(BandClass10)
420MHz(BandClass5)
2100MHz(BandClass6)
AWSBandClass15
RFmodulation/demodulation
RFtransceiverduplexer
LownoiseamplicationforreceivedRFsignal
Interface
EnvironmentMonitoring
AmplicationfortransmittedRFsignal
RFtransceiver
Baseband-RFinterface:compliantwithCommonPublicRadio
Interface(CPRI)protocol
Airinterface:compliantwithIS-2000ReleaseAandIS-856-A
Localdebuggingandmaintenanceinterface:Ethernet
SupportfortheremoteapplicationoftheRRU;networking
modesareinvolvedintostarandchain.
CombinedRFcabinets(diversityoutput/input) Networking
SupportforthecascadingnetworkingmodeofRRU,thehighest
upto4levels
Inputpowerundervoltage/overvoltagealarm
Outputpowerundervoltage/overvoltagealarm
Powerovercurrentalarm
Environmenttemperaturealarm
ExternalRS-485monitoringinterface
Externalmonitoringextensioninterface:4inputdrycontacts
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FunctionDescription
Electroniclabel
Powerquery:basebandpower,RFpower,andantennaoutput
power
Automaticcalibration
Chapter1ProductOverview
Equipmentmaintenanceand
testing

1.5Features

ThefeaturesoftheZXSDRR8860areasfollows:
lSmallSize
TheZXSDRR8860occupiesasmallarea,savingroomrentexpenses.
àDimensionofasingleZXSDRR8860cabinetwithouthandle(HxWxD):500
àZXSDRR8860canalsobeinstalledoutdoors,supportingpole-mount,
RSSIquery
Reversespectrumquery:queryingthereversereceivedsignal
spectrumofeachcarrier
monitoringalarmforantennastandingwaveratio
Poweramplicationcontrolandprotection:over-power,
over-temperature,andstandingwavealarm.
mm×320mm×172mm.Wheninstalledindoors,itrequiresasmallinstallation area.
wall-mount,andGantrymountinstallations.ExceptfortheGantrymount installation,whichoccupiesminimumoorspace,theothercasesalmostdoes notoccupyanyoorspace.
lLightWeight
AsingleZXSDRR8860cabinetweighs22kgsoitiseasytotransportandinstall, requiringlowmanpowerandengineeringcosts.
lOpticalberSupport
ZXSDRR8860supportsopticalberinstallationonatower.ZXSDRR8860andthe BBUcanbeconnectedviabers.Onepairofberscansupportalargenumberof sectorswhichgreatlylowersantennafeedercostandengineeringexpenses
lLowPowerConsumption
Lowerpowerconsumptionimposeslowerpowersupplyrequirements,savingpower constructioncostsanddailypowercharges.
àPowerconsumption:(<350W,-48VDC)
àLessRFpowerlossbecausetheinstallationofZXSDRR8860onthetowerclose
toantennasrequiresashorterfeedercable.
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àHigherpoweramplicationefciency(>30%,-48VDC).
lNaturalDissipation
Noheatexchangerisneededwhenthecabinetisinstalledoutdoors.
lAtmost8carriersx80WRFpower.
supportsvariousapplicationscenariosincludingdenseurbancoverageandwiderural areacoverage.Itprovidesdiversityreceptionfunctionandsupportstransmission diversityand4-antennareceptionbymeansofcabinetcombination.
lComplexNetworkApplication
supportsbaseband-RFstarandchainnetworks,deliveringexiblesolutionsto complicatednetworkenvironments.

1.6ExternalInterfaces

TheexternalinterfacessupportedbytheZXSDRR8860arelocatedatthebottomofthe cabinet.
Figure1-4showstheexternalinterfacesofZXSDRR8860.
Figure1-4ZXSDRR8860ExternalInterfaces
1.LC1
2.LC2
3.AISG
4.Mon
5.DCIN
6.RXIn
7.RXout
8.RX/TX
9.RX
InterfaceDescription
Table1-2liststheZXSDRR8860interfacesdescription.
Table1-2ZXSDRR8860ExternalInterfacesDescription
InterfaceNameFunctionInterfaceType/Connector
LC1
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InterfacebetweenBBUandRRU/RRU
cascadinginterface
1-6
LCopticalinterface
Page 19
InterfaceNameFunctionInterfaceType/Connector
Chapter1ProductOverview
LC2
AISGAISGdeviceinterface8-coreaerialsocket
MonExternaldeviceinterface37-coreaerialsocket
DCIN
RXInFrequencyexpansioninterfaceNconnector
RXoutFrequencyexpansioninterfaceNconnector
RX/TX
RXReceivediversityRFcableinterface50ΩDINconnector
InterfacebetweenBBUandRRU/RRU
cascadinginterface
PowerinterfaceDCinterfaceconnector:4-pin
Receive/TransmitmainsetRFcable
interface

1.7ApplicationScenarios

ZXSDRR8860supportsgantry-mount,wall-mount,pole-mountandsimplied—cabinet integrativeinstallationmodes.
LCopticalinterface
straightroundconnector
50ΩDINconnector
Theapplicationscenariosareclassiedintothefollowingsituationsaccordingtodifferent installationconditions,powersupplyrequirementsanduserdemands:
lIntheconditionofZXSDRR8860indoorinstallationwiththeDCpowercable10
moutsidetheequipmentroomandwithoutLevelBandabovelightningmodule conguredintheindoorpoweroutput,theindoorDClightningboxisadoptedfor powersupplyandpowerdistribution.
lWhenZXSDRR8860isinstalledoutdoors,anexternalDClightningboxisadopted
forpowersupplyandpowerdistribution.
lAwavetrapmoduleisneededinsomecountriesordistrictsduetothespecialdemand
ontheradionetworkorstations.
Wall-MountInstallation
Figure1-5illustratesthewall-mountinstallation
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Figure1-5ZXSDRR8860Wall-MountMode
Pole-MountInstallation
ThissectionillustratestheZXSDRR8860pole-mountinstallationintermsofdoubleand threecabinetsinstallation.
lTwoZXSDRR8860cabinets
Figure1-6illustratestwoZXSDRR8860cabinetsmountedonapole.
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Figure1-6TwoZXSDRR8860CabinetsPole-MountMode
Chapter1ProductOverview
lThreeZXSDRR8860cabinets
Figure1-7illustratesthreeZXSDRR8860cabinetsmountedonapole.
Figure1-7ThreeZXSDRR8860CabinetsPole-MountMode
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1.8WorkPrinciple

1.8.1SystemStructure

TheZXSDRR8860systemstructureincludesaDCPower(Powersourcemodule),FL (FilterLNAmodule),TR(Transceivermodule,)andP A(PowerAmpliermodule).Ithas followingtworeservedports:
lTheZXSDRR8860providesanexternalport(Rxout)tosupportthemutualmain
set/diversitycombinationmode.TheFLmainsetreceptionLowNoiseAmplier(LNA) outputportdeliversthepowerdivisionfunction.
lAnelectronicswitchissetatthereceivediversitychannelandanexternalinputport
isreservedtodeliverthecompatibilitywiththelong-distancefrequency.Thesystem canswitchovertoinputsignalsthroughtheFLoflocalRadioUnit(RU)orthrough anotherRemoteRadioUnit(RRU
Figure1-8showstheoverallsystemstructure.
Figure1-8ZXSDRR8860SystemStructure
).

1.8.2SignalFlow

TheZXSDRR8860signalowisdescribedbelow.
ForwardFlow
Theforwardsignalowconsistsoffollowing.
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1.AfterreceivingthedatamodulatedbythebasebandunitthroughtheCommonPublic RadioInterface(CPRI)interface,theupconversionisdonebytheTRandthenthe signalissenttoPowerAmplier(P A).
2.TheP A
3.TheFLduplexesandlterstheRFsignalsandthentransmitsitthroughtheantenna.
ampliesthepowerofsignalsandthensendsittothe(DuplexFilter)DFL.
ReverseFlow
Thereversesignalowconsistsofthefollowing.
1.TheFLltersthebackwardCDMAsignalsfromtheantenna,ampliesthepowerof thesesignalsbeforesendingthemtotheTR.
2.TheTRperformsdownconversionandconvertsthesignalintobasebanddigital signalsandthentransmitstothebasebandunitthroughtheCPRI

1.9Networking

1.9.1Baseband-RFInterfaceNetworking

Chapter1ProductOverview
interface.
TheZXSDRR8860isconnectedtotheBaseBandUnit(BBU)byopticalinterfaces. ItsupportstheCommonPublicRadioInterface(CPRI)protocol,andstarandchain networkingmodes,asshowninFigure1-9.
Figure1-9ZXSDRR8860Baseband-RFInterfaceNetworking
lStarnetworking:thenetworkingmodeadoptspoint-to-pointconnection,sothe
numberofbersledoutofthebasebandunitisthesameasthetotalnumberofRF modules.Althoughmanybersareneeded,thenetworkingmodeismorereliable thanthechainnetworking.
lChainnetworking:thenetworkingmoderequiresfewerbersbuthaslowerreliability.
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1.9.2CascadeNetworking

InthecasewhereRRUsareclosetoeachotherbutarefarawayfromBBU,thecascade networkingthroughCPRIinterfaceisrecommendedtosaveopticalbers.
Alternatively,acascadenetworkingisalsotypeofchainnetworking.
Figure1-10showsthecascadenetworkingthroughCPRIinterface.
Figure1-10ZXSDRR8860CascadeNetworking
RRUsareconnectedbyopticalber.TheRRUopticalinterfaceLC1servestoconnect BBUortheupperlevelRRUwhileLC2servestoconnectthelowerlevelRRU.

1.9.3FrequencyExtensionNetworking

ZXSDRR8860supportsmutualreceivediversitybymeansofcabinetcombinationsothat itcansupporthigh-carrierorgreat-carrier-frequency-differenceapplication.
Figure1-11showsthefrequencyextensionnetworkingmodesupportedbyZXSDRR8860.
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Figure1-11ZXSDRR8860FrequencyExtensionNetworking
Chapter1ProductOverview

1.10EquipmentManagementModes

1.10.1OMCMode

TheNetNumen™M3networkmanagementsystem(NMS)developedbyZTEcanbeused tooperateandmaintaintheZXSDRR8860,asshowninFigure1-12
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Figure1-12ZXSDRR8860OperationandMaintenance–OMCMode
TheNetworkElement(NE)communicateswiththeNMSthroughtheTCP/IPprotocol.
TheNetNumen™M3providesthefollowingfunctions:
lCongurationManagement lPerformanceManagement lFaultManagement lSecurityManagement lReportManagement lSystemTools

1.10.2LMTMode

ALocalMaintenanceT erminal(LMT)canbeusedtooperateandmaintaintheZXSDR R8860,asshowninFigure1-13.
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Chapter1ProductOverview
Figure1-13ZXSDRR8860OperationandMaintenanceSystem(LMTMode)
Implementationofpowerquery,powerincrease/decreaseorscalingofZXSDRR8860can beperformedthroughtheLMT.

1.11TechnicalIndices

1.11.1EngineeringIndices

Table1-3describestheengineeringindicesofZXSDRR8860.
Table1-3ZXSDRR8860EngineeringIndices
ItemIndices
OverallDimensionWidthxHeightxDepth:320mmx500mmx172mm
UpperEnclosureDimensionWidthxHeightxDepth:320mmx370mmx72mm
LowerEnclosureDimensionWidthxHeightxDepth:320mmx500mmx100mm
Weight<22kg
Power-48VDC;-40V~-57V
WorkT emperature-40℃to55℃-40℉to131℉
WorkHumidity5%RH~95%RH
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ItemIndices
PowerConsumptionofNormalWork
Under-48VDCPowerSupply
l1Carrier
àOutputPower:20W/C/S
àPowerConsumption:160W
l2Carrier
àOutputPower:20W/C/S
àPowerConsumption:200W
l3Carrier
àOutputPower:20W/C/S
àPowerConsumption:250W
ThetechnicalindicesoftheindoorDClightningbox,exempliedby JD40K085C20H2–K1Z,arelistedinTable1-4,whichissubjecttotheactualeld technicalspecicationsforpracticalapplication.
Table1-4JD40K085C20H2–K1ZDCLightningBoxTechnicalIndices
ItemIndex
DimensionsWidthxHeightxDepth:400mmx450mmx100mm(The
NominalWorkingVoltage–48V
InstallationModeIndoorwall-mountinstallation
WorkingT emperature-5℃to70℃
WorkingHumidity≤95%RH

1.11.2PerformanceIndices

Table1-5liststheperformanceindicesoftheZXSDRR8860.
Table1-5ZXSDRR8860PerformanceIndices
Baseband—RF
interface
InterfaceprotocolCPRI
RRUlevelnumbersupportedbyasingleber4
SinglelinklengthsupportedbyRRU<80Km
heightoftopcoverboxlockexcluded)
NameIndexValue
Drycontact4Booleans:4inputs Environment
monitoring
interface
Capacityofasinglecabinet8C1S
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SerialportOneRS485
1-16
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Meantimebetweenfailures(MTBF)>100,000hours

1.11.3RFIndicies

RFindicesofZXSDRR8860complywith3GPP2C.S0010-C,RecommendedMinimum PerformanceStandardsforcdma2000SpreadSpectrumBaseStationand3GPP2 C.S0032-A,RecommendedMinimumPerformanceStandardsforCDMA2000HighRate PacketDataAccessNetwork.
Table1-6liststheRFindicesoftheZXSDRR8860.
Table1-6ZXSDRR8860RFIndices
OperatingBandClass800MHz(BandClass0),compliantwith3GPP2C.S0010-C
Chapter1ProductOverview
NameIndexValue
NameIndexValue
Standards.
1900MHzPCSbandwithitsuplinkas1850MHz~1915
MHzanddownlinkas1930MHz~1995Mhz
AWSbandwithitsuplinkas1710MHz~1755MHzand
downlinkas2110MHz~2155MHz
450MHz(BandClass5)withitsuplinkas450MHz~
460MHzanddownlinkas460MHz~470MHz
850MHz(BandClass10)withitsuplinkas806MHz~
821MHzanddownlinkas851MHz~866MHz
420MHz(BandClass5)withitsuplinkas410MHz~
420MHzanddownlinkas420MHz~430MHz
2100MHz(BandClass6)withitsuplinkas1920MHz~
1979.95MHzanddownlinkas2110MHz~2169.95MHz
ModeIndexNameIndexValue
Transmitter
Indices
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Transmitteroutput
frequencytolerance
Occupiedbandwidthof
channeloutputspectrum
Transmitpoweratthe
antennaport
TransmitpowerstabilityThetotaltransmitpoweriswithin+2dBand-4dBofthe
±0.05ppm
1.23MHz/carrier(800MHz)
1.25MHz/carrier(450MHz/1900MHz/AWS/850MHZ/2100
MHz)
60W/80W
ratedpower.
1-17
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ZXSDRR8860T echnicalManual
NameIndexValue
Transmitter
intermodulation
performance
Standingwaveratioof
theRFE(transmitter)
Receiver
Indices
Receiversensitivity<-128dBm(RC1)
Receiverdynamicrange-128dBm~-65dBm
Noisegure<3
Conductedandradiated
spuriousemissions
Standingwaveratioof
theRFE(receiver)
TheBTStransmitsattheratedpowerbuttheoutput
powerofanotherBTSis30dBlessthantherated
poweroftheformerBTS.Whenthepowersofthetwo
BTSsarecombinedattheantennaport,thegenerated
intermodulationspuriousemissionmeetstheconducted
spuriousemissionrequirement.Theintermediatefrequency
differenceoftransmitsignalsofthetwoBTSsis1.25MHz,
whichmeets3GPP2C.S0010-Ctechnicalstandard.
<1.50
l-80dBmmeasuredwithintheBTSreceiveband;
l-60dBmmeasuredwithintheBTStransmitband;
l-47dBmmeasuredwithinotherbandswithRBW=30
kHz,meeting3GPP2C.S0010-Cstandards.
<1.50

1.12ComplianceStandards

ZXSDRR8860followsthefollowingcompliancestandards.
lANSIJ-STD-008,PersonalStation-BaseStationCompatibilityRequirementfor1.8to
2.0GHzCodeDivisionMultipleAccess(CDMA)PersonalCommunicationsSystem,
1996.
l3GPP2C.S0001-Aversion5.0:IntroductiontoCDMA2000StandardsforSpread
SpectrumSystems-ReleaseA.
l3GPP2C.S0002-Aversion6.0(TIA/EIAIS-2000.2-A-2):PhysicalLayerStandardfor
CDMA2000SpreadSpectrumSystems-ReleaseA.
l3GPP2C.S0003-Aversion6.0(TIA/EIAIS-2000.3-A-2):MediumAccessControl
(MAC)StandardforCDMA2000SpreadSpectrumSystems-ReleaseA,Addendum
2.
l3GPP2C.S0004-Aversion6.0(TIA/EIAIS-2000.4-A-2):SignalingLinkAccess
Control(LAC)SpecicationforCDMA2000SpreadSpectrumSystems-ReleaseA.
l3GPP2C.S0005-Aversion6.0(TIA/EIAIS-2000.5-A-2):UpperLayer(Layer
3)SignalingStandardforCDMA2000SpreadSpectrumSystems-ReleaseA, Addendum2.
lTIA/EIA/TSB-58,AdministrationParameterValueAssignmentsforTIA/EIAWideband
SpreadSpectrumStandards,1995.
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Chapter1ProductOverview
lTIA/EIA/TSB-74,Supportfor14.4KbpsDataRateandPCSInteractionforWideband
SpreadSpectrumCellularSystem,1995.
lTIA/EIA/IS-95-A,MobileStation-BaseStationCompatibilityStandardforDual-Mode
WidebandSpreadSpectrumCellularSystems.
lTIA/EIA/IS-95,MobileStation-BaseStationCompatibilityStandardforDual-Mode
WidebandSpreadSpectrumCellularSystems.
lTIA/EIA/IS-637,ShortMessageServicesforWidebandSpreadSpectrumCellular
Systems,1997.
lTIA/EIA/IS-127,EnhancedV ariableRateCodecSpeechServiceOption3for
WidebandSpreadSpectrumDigitalSystems,1996.
lTIA/EIA/IS-634A,MSC-BSInterfaceforPublicCommunicationsNetworks,1998. lTIA/EIA/IS-658,DataServiceInterworkingFunctionInterfaceforWidebandSpread
SpectrumSystems.
lCDGRF36,MarkovServiceOptionforWidebandSpreadSpectrumCommunications
Systems.
lTIA/EIA/IS-725,Over-the-AirServiceProvisioningofMobileStationsinWideband
SpreadSpectrumSystems,1997
lTIA/EIA/IS-728,Inter-SystemLinkProtocol. lTIA/EIA/IS-733,HighRateSpeechServiceOption17forWidebandSpreadSpectrum
CommunicationSystems.
lTIA/EIA/IS-707,DataServiceOptionsforWidebandSpreadSpectrumSystems,
1998.
lTIA/EIA/IS-707-A-2DataServiceOptionsforSpreadSpectrumSystemsAddendum
2,2000.
lITU-TQ.714Signalingconnectioncontrolpart(SCCP). lITU-TQ.704Signallink(MTP3). lITU-TQ.703Signallink(MTP2). l3GPP2C.S0024-A(TIA/EIAIS-856-A):CDMA2000HighRatePacketDataAir
InterfaceSpecication,August2005.
l3GPP2C.S0024(TIA/EIAIS-856):CDMA2000HighRatePacketDataAirInterface
Specication,October2002.
l3GPP2A.S0008(TIA/EIAIS-878),IOSSpecicationforHighRatePacketData
(HRPD)RadioAccessNetworkInterfaces.
l3GPP2A.S0008-A.InteroperabilitySpecication(IOS)forHighRatePacketData
(HRPD)RadioAccessNetworkInterfacesWithSessionControlintheAccessNetwork
l3GPP2A.S0007,Inter-OperabilitySpecication(IOS)forHighRatePacketData
(HRPD)AccessNetworkInterfaces,November2001.
l3GPP2C.S0029:T estApplicationSpecication(TAS)forHighRatePacketDataAir
Interface.
ll3GPP2C.S0032-A,RecommendedMinimumPerformanceStandardsfor
CDMA2000HighRatePacketDataAccessNetwork,December2005.
l3GPP2C.S0032,RecommendedMinimumPerformanceStandardsforCDMA2000
HighRatePacketDataAccessNetwork,January2004.
l3GPP2C.S0010-A(TIA-97-D),RecommendedMinimumPerformanceStandardsfor
cdma2000SpreadSpectrumBaseStations,March2001.
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l3GPP2C.S0054-A,cdma2000HighRateBroadcast-MulticastPacketDataAir
l3GPP2C.S0054,cdma2000HighRateBroadcast-MulticastPacketDataAirInterface
lASIG1:Issue1.1,Controlinterfaceforantennalinedevices lQB/CU001-99,800MHzCDMADigitalCellularMobileNetworkSpecications(Trial),
lQB/CU003-99,T echnicalSpecicationsforChinaUnicom800MHzCDMADigital
lQB/CU006-99,TechnicalSpecicationsforInterfacesbetweenSwitchesandBase
lQB/CU007-99,ChinaUnicom800MHzCDMADigitalCellularMobileNetworkAir
InterfaceSpecication.
Specication.
ChinaUnicom,1999.
CellularMobileSystemEquipment:BaseStation(Trial),ChinaUnicom,1999
StationsinChinaUnicom800MHzCDMADigitalCellularMobileNetwork(Trial), ChinaUnicom,1999
InterfaceSpecication(Trial),ChinaUnicom,1999
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Chapter2
HardwareDescriptions
TableofContents
Cabinet......................................................................................................................2-1
Modules.....................................................................................................................2-3
ExternalCables..........................................................................................................2-5
MainAntennaFeederSystem..................................................................................

2.1Cabinet

2.1.1ExternalStructure

TheZXSDRR8860cabinetisfullysealed.Thetopandbottomenclosuresareunited byananti-theftscrewwithtwohingesasstopblocks.Thetopenclosureisequipped withahandletofacilitateconveyanceandinstallation.Areservedengineeringinstallation positiononthebottomenclosuremakesiteasytoinstallthecabinetundervariousworking environmentsbyusinginstallationaccessories.
2-10
Figure2-1showstheZXSDRR8860cabinetexternalstructure.
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Figure2-1CabinetOuterStructure
1.BottomEnclosure2.Hinge3.TopEnclosure
EnclosureDimensionDescription
Table2-1liststhedimensionsoftopandbottomenclosures.
Table2-1ZXSDRR8860CabinetEnclosureDimensions
EnclosureDimension(WxHxD)
Top320mm×370mm×72mm
Bottom320mm×500mm×100mm

2.1.2IndoorStructure

TheZXSDRR8860cabinetconsistsoffourmodulessuchasFLmodule,PAmodule,DC Powermodule,andTRmodule.
Figure2-2showstheZXSDRR8860cabinetinternalstructure.
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Figure2-2ZXSDRR8860CabinetInternalStructure
Chapter2HardwareDescriptions
1.TRModule
2.DCPowerModule
3.PAModule
4.FLModule

2.1.3VentilationandHeat-dissipationPrinciples

TheZXSDRR8860cabinetisnaturallycooledthroughaircoolednsonthetopandbottom enclosures.Naturalheatdissipationreplacesheatexchangerrequirementforoutdoor application.Inaddition,aheatsinkisequippedatthebottomofthecabinettoenhance heatdissipation.

2.2Modules

2.2.1ModulesList

TheZXSDRR8860cabinetconsistsoffourmodulessuchas:
lFLmodule lPAmodule lDCPowermodule lTRmodule

2.2.2FilterLNA(FL)

ThefunctionsoftheFilterLNA(FL)moduleareasfollows.
lPerformslteringandlownoiseamplicationofthereverseCDMAsignalfromthe
antenna.
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lFilterstheforwardRFsignaltobesent. lReportsLNAalarmstotheTR. lInthecaseofmain/diversitycombinedcabinets,themainreceiveLNAoutputendof
theFLhasthepowersplitterfunctionandreservesanexternalport(RXout).

2.2.3Transceiver(TR)

TheTransceiver(TR)isthemaincontrolmoduleofZXSDRR8860.Itperforms communication,control,alarm,andversionmanagementforZXSDRR8860.
FollowingarethefunctionsoftheTRmodule.
lForwardlinkprocessing
àConversionfrombasebandsignaltoRFsignal
àConversionofoutputIQdataformat
àPowercalibrationanddetectionprocessing
àPeakclipping/digitalpre-distortionprocessing
àDigitalIFprocessing
àGainadjustment(calibration)
lReverselinkprocessing
àConversionfromRFsignaltobasebandsignal
àDigitalIFprocessing
àRSSIandRABreport
àIn-bandanti-interferencefunction
àSpectrumreport
àAutomaticgaincontrol(AGC
àOutputIQdataformatconversion
àSupportsswitchingbetweendifferentreceivechannelsignalsinthecaseof
)
main/diversitycombinedcabinets
lClockprocessing
PerformsclockrecoveryfordataontheCPRIbetweentheZXSDRR8860andthe BBUgeneratingareferenceclocksourceandperformsphaselockforthereference clockbyutilizingalocalhigh-stabilityclock.Theworkingclocksgeneratedinclude themasterclock,frame-frequencyclock,digitalprocessingclock,andRFbaseband clock.
lMonitoring
àPAforwardpowerdetectionfunction:whenthetemperaturethresholdis
exceeded,theTRreportstherelevantalarmandcontrolstheP AthroughthePA outputenable/disablesignal.
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Chapter2HardwareDescriptions
àPAreversedpower(standingwaveratio)detectionfunction:whenthe
temperaturethresholdstandingofthewaveradioisexceeded,theTRreports therelevantalarmandcontrolsthePAthroughthePAoutputenable/disable signal.
àPAtemperaturedetectionfunction:Whenthetemperaturethresholdisexceeded,
theTRreportstherelevantalarmandcontrolsthePAthroughthePAoutput enable/disablesignal.
àPAoutputenable/disable
àTRtransmitoutputpowerdetection
àFLtwo-channelLNAalarmdetectionandreport
àDCPowerinputundervoltage/overvoltagealarmdetectionandreport
àDCPoweroutputundervoltage/overvoltagealarmdetectionandreport
àDCPoweroutputovercurrentalarmdetectionandreport
àSystemenvironmentmonitoring
àCPRIself-testalarm
àKeychipself-testalarm

2.2.4PowerAmplifier(PA)

ThePowerAmplier(PA)moduleperformsthefollowingfunctions:
lAmpliesdownlinkRFsignalinputviatheTRandthensendsthesignaltotheFL. lProvidesdigitalpre-distortionfeedbacksignalsfortheTR. lProvidesaPAoutputenable/disableinterface.

2.2.5Power

TheDCPowermoduleconverts-48VDCinputpowersupplytoDCpowersupplyrequired bythePA,TR,orFLmodules.

2.3ExternalCables

2.3.1DCPowerCable

The4-corecableisusedasDCpowercableinZXSDRR8860.Itismadeaccordingto theon-sitesurveyrequirement.
Oneendofthecableissolderedwithastraightroundconnectorwhiletheotherendis bare,withalabelindicatingsignaldenition.
Figure2-3showsthestructureoftheDCpowercable.
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Figure2-3DCPowerCableStructure
Table2-2describesthecorrespondencebetweencorecolorsoftheDCpowercableand
signals.
Table2-2ColorsCorrespondencebetweenDCPowerCableandSignals
CorecolorSignal
Blue-48V
Black-48VGND
lForthe4-corecable,makethetwobluecoresinparallelwitheachotherandthetwo
Note:
blackcoresinparallelwitheachother.Thebluecoresrepresent-48Vandtheblack onesindicate-48VGND.

2.3.2GroundingCable

Thegroundingcableconnectsdeviceswiththegroundingbarintheequipmentroom.It providessystemgroundtopreventdevicesfromstaticdamage,andmakingsuredevices runreliably.
TheZXSDRR8860groundingcableisastandardre-resistantcableadopting(yellow– and-green)coreconductor,with10mm thecircularbarecopperlugconnectors.
Figure2-4showsthestructureofthegroundingcable.
Figure2-4GroundingCableStructure

2.3.3AISGControlCable

TheAISGcontrolcableconnectstheAISGdevicetotheAISGportontheZXSDRR8860 cabinet.Thebothendsofthecableare8-coreaerialconnectorsthatmeettheIEC 60130-9-EDstandard.Figure2-5showstheoutlineofthecable.
2
cross-sectionalarea.Bothendsofthecableare
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Figure2-5OutlineoftheAISGcontrolcable

2.3.4OpticalFiberCable

Therearetwotypesofopticalbersused,oneisusedtoconnectwithBBUwhileotheris usedtoconnectcascadedcabinets.TheZXSDRR8860adoptssinglemode2-coreber tailandmultimodeber.Thetaillengthdependsontheactualsituation.
Figure2-6showsthestructureofthebertailusedtoconnectBBU.
Figure2-6FiberCableUsedtoConnectBBU.
Chapter2HardwareDescriptions
1.DLCopticalconnector
2.Outdoorfibersealingnut
component
3.Label
4.Singlemode2-corefiber tail
5.LCopticalconnector
Note:
Theberisusedinoutdoorenvironments.Thebersheathshouldbewaterproofand anti-ultraviolet.Theworkingtemperatureshouldbeintherangeof-40℃~+80℃.The sheathisofblackcolor.
Figure2-7showstheopticalbercableusedforcascadedcabinets.
Figure2-7FiberUsedforCascadedCabinets

2.3.5EnvironmentMonitoringCable

Theenvironmentmonitoringcableservesasinput/outputdrycontactsandisusedto transmitRS485monitoringsignals.Figure2-8showstheoutlineofthecable.
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Figure2-8EnvironmentMonitoringCable
OneendoftheenvironmentmonitoringcablethatjoinstheZXSDRR8860is37-core aerialconnector,whichmeetstheGJB599IIIstandard.Figure2-9showstheoutlineofthe connector.
Figure2-9OutlineofConnector
Table2-3describestheconnectorpinsandconnectingcores.
Table2-3EnvironmentMonitoringCablePinsandConnectingCoresDescription
PinCorecolorSignaldescription
15/16Whiteandblue/blueDrycontact4-/+
17/18Whiteandorange/orangeDrycontact3-/+
19/20Whiteandgreen/greenDrycontact2-/+
21/22Whiteandbrown/brownDrycontact1-/+
23/24Redandblue/blueRS485received
25/26Redandorange/orangeRS485transmission

2.3.6CarrierSectorExtensionCable

ThecarriersectorextensioncableisusedtoconnecttwoZXSDRR8860cabinetsto increasethenumberofcarriersectors.Figure2-10showsthestructureofthecarrier sectorextensioncable.EndAandEndBareNtypemaleconnectors.
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Figure2-10CarrierSectorExtensionCable

2.3.7RFJumperCable

RFjumpercableisusedtotransfersignalsbetweenZXSDRR8860cabinetandantenna, betweenZXSDRR8860cabinetandmainfeedercable,andbetweenmainfeedercable andantenna.
WhenthedistancebetweenantennaandZXSDRR8860cabinetislessandtheadopted feedercableisof1/2in.then,thejumpercableisnotused,ratherZXSDRR8860cabinet isdirectlyconnectedwiththefeedercableandfeedercableisconnectedtotheantenna. Iftheadoptedfeedercableisof7/8in.or5/4in.thenjumperisused.Figure2-11shows theRFjumpercable.
Chapter2HardwareDescriptions
Figure2-11RFJumperCable
Note:
ThelengthoftheRFjumpercableisdeterminedaccordingtotheactualsituation.
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2.4MainAntennaFeederSystem

2.4.1MainAntennaFeederSystemStructure

ThetypicalcongurationsofZXSDRR8860mainantennafeedersystemdescribedbelow includes:
lZXSDRR8860conguredwithcommonantenna lZXSDRR8860conguredwithcommonantennaandAISGdualtoweramplier lZXSDRR8860conguredwithelectricallytunedantenna(1) lZXSDRR8860conguredwithelectricallytunedantenna(2) lZXSDRR8860conguredwithelectricallytunedantenna,AISGdualtoweramplier
ZXSDRR8860conguredwithcommonantenna
Inthisconguration,generallyZXSDRR8860installationpositionisnearantennaand theyareallinstalledonthebuildingtop.ZXSDRR8860isconnectedtotheantennaby 1/2″feederdirectly,occasionally5/4″or7/8″feederisadopted,asshowninFigure2-12.
Figure2-12ZXSDRR8860ConguredwithCommonAntenna
ZXSDRR8860conguredwithcommonantennaandAISGdualtoweramplier
Inthisconguration,generallyZXSDRR8860isinstalledonthetower.ZXSDRR8860is connectedtotheantennaby5/4″or7/8″feeder,asshowninFigure2-13.
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Chapter2HardwareDescriptions
Figure2-13ZXSDRR8860ConguredwithCommonAntenna,AISGDualTower Amplier
ZXSDRR8860conguredwithelectricallytunedantenna(1)
Inthisconguration,generallyZXSDRR8860installedneartheantennaonthebuilding top.ZXSDRR8860isconnectedtotheantennaby1/2″feederdirectly,occasionally5/4″or 7/8″feederisadopted,asshowninFigure2-14.
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Figure2-14ZXSDRR8860ConguredwithElectricallyTunedAntenna(1)
ZXSDRR8860conguredwithelectricallytunedantenna(2)
Inthisconguration,generallyZXSDRR8860isinstallednearthetopofthetower.ZXSDR R8860isconnectedtotheantennaby5/4″or7/8″feederisadopted,asshowninFigure
2-15.
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Chapter2HardwareDescriptions
Figure2-15ZXSDRR8860ConguredwithElectricallyTunedAntenna(2)
ZXSDRR8860conguredwithelectricallytunedantenna,AISGdualtoweramplier
Inthisconguration,generallyZXSDRR8860isinstallednearthetopofthetower.ZXSDR R8860isconnectedtotheantennaby5/4″or7/8″feederisadopted,asshowninFigure
2-16.
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Figure2-16ZXSDRR8860ConguredwithElectricallyTunedAntennaandAISGDual TowerAmplier

2.4.2Antenna

TheZXSDRR8860antennafeedersystemadoptscommonantennaorelectricalantenna. Fortheelectricalantenna,youcanadjustthelevertocontroltheembeddedadjusterand thustotunethedowntiltangleoftheantenna.Thetiltreectsthedirectionfromwhichthe
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antennareceivesthestrongestsignals.Thetiltoftheuni-directionalantennacanbetuned mechanically,andelectricaltiltisusedtotunetheomni-directionalantenna.
Theprincipleoftheelectricaltiltisasfollows:
Theadjustmentofthephaseoftheantennaarrayvibratorchangesthemaximumvertical andhorizontalcomponentsandalterssynthesizedeldstrength,thusmakingthevertical patternoftheantennadeclining.Becausetheantennaeldstrengthincreasesor decreasessimultaneouslyinalldirections,whichensuresthattheantennapatternhardly varieswiththetilt.Thisdiminishesthecoverageofthemainlobeandensuresthatno interferenceoccurswhenthecoverageofthewholepatterndecreasesinitsservicearea.

2.4.3FeederStructure

ThefeederisusedtoreceiveandtransmitradioRFsignalsbetweentheantennaandthe ZXSDRR8860.Therearemanytypesoffeedercablessuchas1/2inchand7/8inch feedercable.
WhenthedistancebetweentheZXSDRR8860cabinetandantennaisless,then1/2inch feedercableisused.Inthiscase,theZXSDRR8860cabinetisdirectlyconnectedtothe 1/2inchfeederand1/2inchfeedercableisconnectedtoantenna.
Chapter2HardwareDescriptions
WhenthedistancebetweentheZXSDRR8860cabinetandantennaismore,then7/8 inchfeedercableisused.Inthiscase,ZXSDRR8860cabinetisrstconnectedtothe jumper,thenjumperisconnectedto7/8inchfeedercable,and7/8inchfeedercableis againconnectedtojumperandlastlyjumperisconnectedtoantenna.
TheantennamayhaveNtypeorDINtypeinterface.Thefeederisadaptedtofemaleand maleNconnectors.UsuallybothendsofthedeliveredfeederaremaleNconnectorto facilitateon-siteinstallation.
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Chapter3
ProtocolInterface Description
TableofContents
NetworkReferenceModel..........................................................................................3-1
UmInterface..............................................................................................................3-2
Baseband—RFInterface............................................................................................

3.1NetworkReferenceModel

Figure3-1showsthenetworkreferencemodeloftheCDMA20001xnetwork.
Figure3-1CDMA20001xNetworkReferenceModel
3-6
ThedescriptionoftheinterfacesinFigure3-1aredescribedinT able3-1.
Table3-1InterfaceDescription
InterfaceDescription
AbisInterfacebetweenBSCandBTS
CPRIInterfacebetweenBBUandRRUofthedistributedbasestation
A1/A1pSignalinginterfacebetweenMSCe/MGWandBSC
A2/A2pServiceinterfacebetweenMSCe/MGWandBSC
3-1
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InterfaceDescription
A3ImplementssofthandoffbetweendifferentBSCs(focusingon
A7ImplementssofthandoffbetweendifferentBSCs(focusingon
A8/A8dImplementsdatatransmissionbetweenBSSandPCF/PDC.
A9/A9dImplementssignalingtransmissionbetweenBSSandPCF/PDC
A10/A10dImplementsdatatransmissionbetweenPCFandPDSN,and
A11/A1 1dImplementssignalingtransmissionbetweenPCFandPDSN,and

3.2UmInterface

themediaplane).
thecontrolplane).
betweenPDCandPDS.
betweenPDCandPDS.
TheUminterfaceistheairinterfacebetweenMobileStation(MS)andBaseTransceiver Station(BTS),complyingwiththeIS-2000ReleaseAstandardsandtheIS-856-Astandard.
CDMA20001xUmInterface
TheCDMA20001xUminterfaceiscomposedofphysicallayer,datalinklayerand uppermostlayer.Figure3-2showstheprotocolreferencemodel.
Figure3-2CDMA20001xUmInterfaceProtocolReferenceModel
lThephysicallayerisabottomlayer,coveringvariousphysicalchannels.Itprovides
basicradiochannelstotransmitinformationofupperlayers.
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lThedatalinklayercomprisesofMediumAccessControl(MAC)sublayerand
LinkAccessControl(LAC)sublayer.TheMACsublayerimplementsthemapping betweenlogicalchannelsandphysicalchannelsanddeliverstheRadioLinkProtocol (RLP)function.TheLAC
sublayerperformsauthentication,automaticrequest
retransmission,addressing,segmentandreassembly.
lTheuppermostlayerprovidessignalingservice,voiceservice,packetdataapplication
andcircuitdataapplication,andimplementsradioresource,mobilityandconnection managementoftheairinterfacethroughsignalingservice.
CDMA20001xEV-DOUminterface
TheCDMA20001xEV-DOUminterfaceisdividedintoapplicationlayer,streamlayer, sessionlayer,connectionlayer,securitylayerandphysicallayer.TheUminterfacemeets theIS-856protocolstandard.Everylayerdenesoneormoreprotocolstorealizeits function.Figure3-3illustratestheoverallprotocolreferencemodel.
Figure3-31xEV-DOUmInterfaceProtocolReferenceModel
lApplicationlayer
Theapplicationlayerprovidesmultipleapplications,suchasDefaultSignaling ApplicationfortransmittingairinterfacemessagesandDefaultPacketApplicationfor transmittingdata.TheDefaultSignalingApplicationdenestwoprotocols,Signaling NetworkProtocol(SNP)andSignalingLinkProtocol(SLP).Theprotocolsonall layersexchangemessagesthroughSNP.SLPimplementsmessagesegment andassembly,Best-efforttransmission,reliabletransmissionandduplicatepacket detection.
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lStreamlayer
TheDefaultPacketApplicationprovidesabytestreamtotransmitpacketdata betweentheterminalandthenetwork.Itincludesthreeprotocols.
àFlowControlProtocolprovidestheowcontrolfunctionfordatastream.
àRadioLinkProtocolimplementsbytestreamretransmissionandduplicatepacket
detection,andprovidesareliabledatalinkforupperapplications.
àLocationUpdateProtocolprovideslocationupdateprogramandcorresponding
messagesformobilitymanagementofpacketapplication.
Thestreamlayerdeliversthefollowingfunctions:
àItprovidesthearchitectureofdatapacketsovertheconnectionapplicationlayer
bymeansofdatastreamauthentication.
àItdistinguishesprioritiessignalsanduserservicesaccordingtothedata
encapsulationprotocoloftheconnectionlayer.
àItconnectsuserstosignalservice.
àItallocatesindependentdatastreamtoapplicationsofdifferentQoSs.
lSessionlayer
Thesessionlayercontainsaseriesofprotocolsusedforsessionnegotiationbetween theterminalandthenetwork.Inthe1xEV-DOsystem,asessionindicatesastate jointlymaintainedbetweenAccessT erminal(AT)andAccessNetwork(AN).Itincludes addressUATIdistributedtotheterminal,protocolsetdeterminedbytheterminaland thenetworkforairinterfacecommunication,protocolcongurationsintheprotocolset andcurrentterminallocation.Thesessionlayerdenesthreeprotocols:
àSessionManagementProtocolactivatesotherprotocolsonthelayer,ensures
sessionvalidityandclosessessions.
àAddressManagementProtocolmanagesterminaladdress(UATI)distribution.
àSessionCongurationProtocol(SCP)performssessionownegotiation.Inthe
1xEV-DOsystem,SCP
negotiatestheprotocolusedforcommunicationbetween
theterminalandthenetwork,andhowtosetprotocolparameters.
lConnectionlayer
Theconnectionlayercontrolstheairlinkstate.Inthe1xEV-DOsystem,anenabled linkbetweenATandANmeanstheATisallocatedwithRPC,RTCandFTC(FTCis thetimedivisionchannelsharedbyallthesubscriberswithopenconnectionsinthe sector).
lSecuritylayer
Thesecuritylayerdeliversthefollowingfunctions:
àKeyexchange.Itprovidesaprocedurefortheterminalandthenetworkto
exchangekeysthatareusedforauthenticationandencryption.
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Chapter3ProtocolInterfaceDescription
àAuthentication.Itprovidesaprocedurefortheterminalandthenetworkto
authenticateover-the-airservices.
àEncryption.Itprovidesaprocedurefortheterminalandthenetworktoencrypt
over-the-airservices.
Thesecuritylayercoversfourprotocols,amongwhichKeyExchangeProtocol, AuthenticationProtocolandEncryptionProtocoldenethethreefunctionsmentioned aboverespectivelywhileSecurityProtocolprovidespublicvariablesforAuthentication ProtocolandEncryptionProtocol.
lMAClayer
TheMAClayerdenestherulesformanagingcontrolchannel,accesschannel, forwardtrafcchannelandreversetrafcchannel.Itcontainsfourprotocols,as describedbelow:
àControlChannelMACProtocolconstructsControlchannelMAClayerpacket
fromoneormoreSecuritylayerpackets,controlspacketschedulingand transmissionruleofchannelsandregulateshowtheterminalcapturesthe controlchannelandreceivescontrolchannelpackets.
àAccessChannelMACProtocoldenesthattheterminalsendstimingmessages
andpowerfeaturesovertheaccesschannel.
àForwardTrafcChannel(FTC)Protocolregulateshowtocontroltherateofthe
throughtheDRCandhowtosupportthexedratemodeandvariablerate
FTC modeoftheFTC.
àReverseTrafcChannel(RTC)Protocolregulateshowtheterminalassiststhe
networktocapturetheRTCandhowtheterminalandthenetworkchooseRFC rate.
lPhysicallayer
Thephysicallayerdenesstructure,frequency,poweroutput, modulation/demodulationandcoding/decodingoftheforward/reversechannel.
BCMCSUmInterface
TheBroadcastandMulticastService(BCMCS)Uminterfaceimplementsbroadcastand multicastservices.Figure3-4showsthestructureoftheBCMCSUminterfaceprotocol stack.
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Figure3-4StructureoftheBCMCSUmInterfaceProtocolStack
lBroadcastControlProtocolprocessesBCMCSstreamregistration.TheATsendsthe
lBroadcastFramingProtocolencapsulates,segmentsanddelimitsupperlayerpack-
lBroadcastSecurityProtocolprovidespacketencryptionmechanism. lBroadcastMACProtocoladdsforwarderrorcorrectingcodestoformErrorControl
lBroadcastPhysicalProtocolprovidesalogicalchannelstructure.
streamregistrationrequesttotheANsothattheANcanbroadcastingthestream continuously.
ets.
Block(ECB)andrelaysMACframestothephysicallayer.Thelayerisresponsibleof logicalchannelmapping,constructingandsendingbroadcastoverheadmessages.

3.3Baseband—RFInterface

Thebaseband-RFinterfaceofZXSDRR8860complieswiththecommonpublicradio interface(CPRI)specication.TheCPRIspecicationwasinstitutedbytheCPRIUnion, whichisanindustrycooperationorganizationdevotingitselftoinstitutionofinternalradio interfacespecicationsofradiobasestations.
TheCPRIspecicationdescribesthetransmission,controlandsynchronization mechanismsofuserdataandcontrolsignaling,deningtheessentialfactorssuchas transmission,connectionandcontrol.
Fromaviewofthespecicationsystem,theCPRIspecicationcontainsthecontents ofphysicallayeranddatalinklayer.Itdescribescharacteristicsofelectricalandoptical interfacesandmultiplexingmechanismsamongvariousdataowsinthematterofthe physicallayer,andmediaaccesscontrol(MAC),owcontrolandinformationow protectioninthematterofthedatalinklayer.
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Figures

Figure1-1DistributedZTEBTSSolution..................................................................1-1
Figure1-2ZXSDRR8860PositionintheNetwork....................................................
Figure1-3ZXSDRR8860CabinetAppearance........................................................1-3
Figure1-4ZXSDRR8860ExternalInterfaces...........................................................1-6
Figure1-5ZXSDRR8860Wall-MountMode.............................................................1-8
Figure1-6TwoZXSDRR8860CabinetsPole-MountMode......................................1-9
Figure1-7ThreeZXSDRR8860CabinetsPole-MountMode...................................1-9
Figure1-8ZXSDRR8860SystemStructure...........................................................1-10
Figure1-9ZXSDRR8860Baseband-RFInterfaceNetworking...............................
Figure1-10ZXSDRR8860CascadeNetworking....................................................1-12
Figure1-11ZXSDRR8860FrequencyExtensionNetworking.................................1-13
Figure1-12ZXSDRR8860OperationandMaintenance–OMCMode....................1-14
Figure1-13ZXSDRR8860OperationandMaintenanceSystem(LMT
Mode)...................................................................................................1-15
Figure2-1CabinetOuterStructure...........................................................................2-2
Figure2-2ZXSDRR8860CabinetInternalStructure................................................2-3
Figure2-3DCPowerCableStructure......................................................................2-6
1-3
1-11
Figure2-4GroundingCableStructure......................................................................
Figure2-5OutlineoftheAISGcontrolcable.............................................................2-7
Figure2-6FiberCableUsedtoConnectBBU...........................................................2-7
Figure2-7FiberUsedforCascadedCabinets..........................................................2-7
Figure2-8EnvironmentMonitoringCable.................................................................2-8
Figure2-9OutlineofConnector................................................................................2-8
Figure2-10CarrierSectorExtensionCable..............................................................2-9
Figure2-11RFJumperCable...................................................................................2-9
Figure2-12ZXSDRR8860ConguredwithCommonAntenna..............................
Figure2-13ZXSDRR8860ConguredwithCommonAntenna,AISGDualT ower
Amplier...............................................................................................
Figure2-14ZXSDRR8860ConguredwithElectricallyTunedAntenna(1)............
Figure2-15ZXSDRR8860ConguredwithElectricallyTunedAntenna(2)............2-13
Figure2-16ZXSDRR8860ConguredwithElectricallyTunedAntennaandAISG
DualTowerAmplier.............................................................................2-14
Figure3-1CDMA20001xNetworkReferenceModel................................................3-1
2-6
2-10
2-11
2-12
I
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Figure3-2CDMA20001xUmInterfaceProtocolReferenceModel...........................3-2
Figure3-31xEV-DOUmInterfaceProtocolReferenceModel...................................
Figure3-4StructureoftheBCMCSUmInterfaceProtocolStack..............................3-6
3-3
II
Page 57

Tables

Table1-1ZXSDRR8860Functions..........................................................................1-4
Table1-2ZXSDRR8860ExternalInterfacesDescription..........................................
Table1-3ZXSDRR8860EngineeringIndices.........................................................1-15
Table1-4JD40K085C20H2–K1ZDCLightningBoxT echnicalIndices....................1-16
Table1-5ZXSDRR8860PerformanceIndices.......................................................1-16
Table1-6ZXSDRR8860RFIndices.......................................................................1-17
Table2-1ZXSDRR8860CabinetEnclosureDimensions..........................................2-2
Table2-2ColorsCorrespondencebetweenDCPowerCableandSignals................2-6
Table2-3EnvironmentMonitoringCablePinsandConnectingCores
Description...............................................................................................2-8
Table3-1InterfaceDescription..................................................................................
1-6
3-1
III
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Thispageintentionallyleftblank.
Tables
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Glossary

AISG
-AntennaInterfaceStandardsGroup
AN
-AccessNetwork
BBU
-BaseBandUnit
BCMCS
-BroadcastandMulticastService
BSC
-BaseStationController
BSS
-BaseStationSystem
BTS
-BaseTransceiverStation
CDMA
-CodeDivisionMultipleAccess
CPRI
-CommonPublicRadioInterface
DRC
-DataRateControl
FL
-ForwardLink
FL
-FilterLNA
LNA
-LowNoiseAmplier
MAC
-MediumAccessControl
MSCe
-MobileSwitchingCenteremulator
PA
-PowerAmplier
PCF
-PacketControlFunction
V
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PCFisaboardwhichisresponsibleforthedataselectionbetweenmultiple reversetrafcchannelsanddatadistributionfromaforwardtrafcchannelto multiplecells/sectorsduringsofthandoff.
PDSN
-PacketDataServiceNode
RAB
-RadioAccessBearer
RF
-RadioFrequency
RLP
-RadioLinkProtocol
RRU
-RemoteRadioUnit
RSSI
-ReceivedSignalStrengthIndicator
TR
-Transceiver
VI
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