Zte ZXSDR R8872A Technical specifications

ZXSDRR8872A
MacroRemoteRadioUnit
ProductDescription
HardwareVersion:HV1.0
ZTECORPORATION
No.55,Hi-techRoadSouth,ShenZhen,P .R.China
Postcode:518057
Tel:[phone]
Fax:[phone]
URL:http://support.zte.com.cn
E-mail:[email protected]

LEGALINFORMATION
Copyright©2016ZTECORPORATION.
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.
ZTECORPORATIONoritslicensorsmayhavecurrentorpendingintellectualpropertyrightsorapplications
coveringthesubjectmatterofthisdocument.ExceptasexpresslyprovidedinanywrittenlicensebetweenZTE
CORPORATIONanditslicensee,theuserofthisdocumentshallnotacquireanylicensetothesubjectmatter
herein.
ZTECORPORATIONreservestherighttoupgradeormaketechnicalchangetothisproductwithoutfurthernotice.
UsersmayvisittheZTEtechnicalsupportwebsitehttp://support.zte.com.cntoinquireforrelatedinformation.
TheultimaterighttointerpretthisproductresidesinZTECORPORATION.
RevisionHistory
RevisionNo.RevisionDateRevisionReason
R1.42016-12-05Updated“4.3Performance”
R1.32016-09-30Updated“4.3Performance”
R1.22016–02–23V4.14.10.30.P30
Thosetopicshavebeenmodied:
lFunctions
lOperatingEnvironment
lPerformance
lReliability
R1.12015-05-13lUpdated"1.1Functions"and"1.2Features"
lAddedlightningprotectunitin"2.1HardwareArchitecture"
lUpdatedspecicationsin"Chapter4T echnical
Specications",involving"4.1TechnicalSpecication","4.3
PowerSupply","4.4Performance"and"4.5Reliability"
R1.02014-10-21Firstedition
SerialNumber:SJ-20141127113509-001
PublishingDate:2016-12-05(R1.4)
SJ-20141127113509-001|2016-12-05(R1.4)ZTEProprietaryandCondential

Contents
AboutThisManual.........................................................................................I
Chapter1Overview....................................................................................1-1
1.1Functions...........................................................................................................1-1
1.2Features............................................................................................................1-2
Chapter2SystemArchitecture.................................................................2-1
2.1HardwareArchitecture........................................................................................2-1
2.2SoftwareArchitecture.........................................................................................2-2
Chapter3NetworkingandMaintenance..................................................3-1
3.1Baseband-RFNetworking...................................................................................3-1
3.2OperationandMaintenance................................................................................3-2
Chapter4TechnicalSpecications..........................................................4-1
4.1PhysicalSpecications.......................................................................................4-1
4.2OperatingEnvironment.......................................................................................4-1
4.3PowerSupply.....................................................................................................4-2
4.4Performance......................................................................................................4-2
4.5Reliability...........................................................................................................4-5
4.6ElectromagneticCompatibility.............................................................................4-6
Glossary..........................................................................................................I
I
SJ-20141127113509-001|2016-12-05(R1.4)ZTEProprietaryandCondential

Thispageintentionallyleftblank.
II
SJ-20141127113509-001|2016-12-05(R1.4)ZTEProprietaryandCondential

AboutThisManual
Purpose
ThismanualprovidesinformationabouttheZXSDRR8872A,includingfunctions,features,
systemarchitecture,operationandmaintenance,andtechnicalspecications.
IntendedAudience
Thismanualisintendedfor:
lNetworkplanningandoptimizationengineers
lFielddesigningengineers
WhatIsinThisManual
Thismanualcontainsthefollowingchapters.
Chapter1,OverviewDescribestheexternalview,functions,andfeaturesoftheZXSDR
R8872A.
Chapter2,System
Architecture
Describesthehardwarearchitectureandsoftwarearchitectureofthe
ZXSDRR8872A.
Chapter3,Networking
andMaintenance
Describesthebaseband-RFnetworkingmodesandoperationand
maintenanceoftheZXSDRR8872A.
Chapter4,Technical
Specications
DescribesthetechnicalspecicationsoftheZXSDRR8872A.
RelatedDocumentation
Thefollowingdocumentationisrelatedtothismanual:
ZXSDRR8872AMacroRemoteRadioUnitHardwareDescription
Conventions
Thismanualusesthefollowingconventions.
Note:providesadditionalinformationaboutatopic.
I
SJ-20141127113509-001|2016-12-05(R1.4)ZTEProprietaryandCondential

Thispageintentionallyleftblank.
II
SJ-20141127113509-001|2016-12-05(R1.4)ZTEProprietaryandCondential

Chapter1
Overview
TheZXSDRR8872AisanoutdoorRRU.ItworkswiththeBBUtoformadistributedbase
station,implementingradiotransmissionandradiochannelcontrolinthecoverageareas.
Figure1-1showsanexternalviewoftheZXSDRR8872A.
Figure1-1ExternalView
TableofContents
Functions...................................................................................................................1-1
Features.....................................................................................................................1-2
1.1Functions
TheZXSDRR8872Aprovidesthefollowingfunctions:
lVariousbandwidthcongurationsof1.4/3/5/10/15/20MHz
lFrequencyband:850/900/1800/1900MHz
lSupport2T4Rinoneboxwhichcanoptimizespectrumefciencygreatlyandimprove
networkuplinkperformance
1-1
SJ-20141127113509-001|2016-12-05(R1.4)ZTEProprietaryandCondential

ZXSDRR8872AProductDescription
lUplink/downlink64QAMmodulation
lTransmissionpowerreportingfunctionforeachcarrier
lPAoverloadprotectionfunction
lTransmissionchannelswitchfunction
lSoftwarefailurewillnotaffecttherunningofconnectedBBUandothercascaded
RRUs.
Figure1-2showsthepositionoftheZXSDRR8872Ainaradionetwork.
Figure1-2ZXSDRR8872APositioninaRadioNetwork
1.2Features
TheZXSDRR8872Ahasthefollowingfeatures:
lHighperformance
Itprovidesa75MHzinstantaneousbandwidth,whichenablesittoutilizemore
frequencyspectrumresources.Designof2T4Rchannelsimprovesthespectrum
efciency.Itprovidesa2×80Wtransmissionpower,andcanbeappliedinurban
areaswithdensepopulation.
lConvenientnetworkconstruction
ItsupportsGSM/CDMA/LTEormixedtechnologies,whichensurethesmooth
evolutionfromGSM/CDMAtoLTE.
lLowTCO
AdvancedtechnologiesincludingDohertyPA,DPD,andMCPAareappliedtothe
powerampliers.ItalsosupportsdynamicadaptivePApowersupplybasedonoutput
power,whichreducespowerconsumption.
lBuild-inlightningprotectunit
Ithasintegratedlightningprotectunitwhoseprotectionlevelis20kA.
1-2
SJ-20141127113509-001|2016-12-05(R1.4)ZTEProprietaryandCondential

Chapter2
SystemArchitecture
TableofContents
HardwareArchitecture................................................................................................2-1
SoftwareArchitecture.................................................................................................2-2
2.1HardwareArchitecture
TheZXSDRR8872Acontainsvehardwaremodules,seeFigure2-1.
Figure2-1HardwareArchitecture
lTransceiver
Itimplementsthetransmitterandreceiverfunctions,andprovidesinterfacesand
control.
lDuplexlters
ItprovidesthefunctionsofRFsignalcombinationandsplittingandltering.
lPA
IttransmitsandampliestwochannelsofRFsignals.Thismoduleconsistsoftwo
PAs.
lPowersupply
Itprovidesthesystempowersupply.
lProtectinginterfaceboard
IntegratedlightningprotectunitfortheAISG,RS485anddrycontacts.
2-1
SJ-20141127113509-001|2016-12-05(R1.4)ZTEProprietaryandCondential

ZXSDRR8872AProductDescription
2.2SoftwareArchitecture
TheZXSDRR8872Asoftwarearchitectureisdividedintotwolayers:SDRuniedplatform
softwareandapplicationsoftware,seeFigure2-2.
Figure2-2SoftwareArchitecture
lSDRuniedplatformsoftware
àBSP:Itprovidesbasicfunctionsincludinghardwaredrivers,initialization,alarms,
andmonitoring.ItalsoprovidesinterfacesfordevicestoaccesstheLinux
operatingsystem.
àLinux:Itistheoperatingsystemplatform.
àOSS:Itisthesupportlayerintheentiresoftwarearchitecture.Itprovides
ahardware-independentplatformforsystemsoftwareoperation,and
providessomebasicsoftwarefunctions,includingscheduling,timer,memory
management,inter-modulecommunication,sequencecontrol,monitoring,
alarms,andlogs.
lApplicationsoftware
OAM:Itprovidesfunctionsincludingconguration,alarms,andperformance
measurement.
2-2
SJ-20141127113509-001|2016-12-05(R1.4)ZTEProprietaryandCondential