ZTE R8872AS8500 Macro Radio Remote Unit User Manual

ZTE Corporation Macro Radio Remote Unit Users Manual

Users Manual

ZXSDRR8872A
MacroRemoteRadioUnit
ProductDescription
HardwareVersion:HV1.0
ZTECORPORATION
No.55,Hi-techRoadSouth,ShenZhen,P .R.China
Postcode:518057
Tel:+86-755-26771900
Fax:+86-755-26770801
URL:http://support.zte.com.cn
E-mail:800@zte.com.cn
LEGALINFORMATION
Copyright©2016ZTECORPORATION.
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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)
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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
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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.
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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
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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
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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.
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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.
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Chapter3
NetworkingandMaintenance
TableofContents
Baseband-RFNetworking..........................................................................................3-1
OperationandMaintenance.......................................................................................3-2
3.1Baseband-RFNetworking
TheZXSDRR8872AsupportsstarandlinenetworkswiththeBBU.TheZXSDRR8872A
andtheBBUareconnectedwithopticalbers.
lStarnetwork
EachRRUhasapoint-to-pointconnectionwiththeBBU,seeFigure3-1.Thisnetwork
topologyisreliablebutoccupiesmoretransmissionresources.Itisapplicableto
densely-populatedareas.
Figure3-1StarNetwork
lLinenetwork
MultipleRRUsareconnectedtoformalink,andthenthelinkisconnectedtothe
BBU,seeFigure3-2.Thisnetworktopologyoccupieslesstransmissionresourcesbut
islessreliablethanthestarnetworktopology.Itisapplicabletosparsely-populated
areas.
Figure3-2LineNetwork
3-1
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ZXSDRR8872AProductDescription
3.2OperationandMaintenance
RemoteMaintenance
RemotemaintenanceisimplementedthroughtheEMS,whichisconnectedtotheBBU
throughtheTCP/IPprotocol,andtheBBUisconnectedtotheZXSDRR8872Athrough
theCPRIinterface,seeFigure3-3.Multiplebasestationscanbemaintainedthroughone
EMS.
Figure3-3RemoteMaintenanceMode
LocalMaintenance
LocalmaintenanceisimplementedthroughtheLMT,whichisinstalledonaPCdirectly
connectedtotheZXSDRR8872AwithanEthernetcable,seeFigure3-4.TheLMTis
usedtomaintainasinglebasestation.
Figure3-4LocalMaintenanceMode
3-2
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Chapter4
TechnicalSpecications
TableofContents
PhysicalSpecications...............................................................................................4-1
OperatingEnvironment...............................................................................................4-1
PowerSupply.............................................................................................................4-2
Performance..............................................................................................................4-2
Reliability....................................................................................................................4-5
ElectromagneticCompatibility....................................................................................4-6
4.1PhysicalSpecications
ForadescriptionofthephysicalspecicationsoftheZXSDRR8872A,refertoTable4-1.
Table4-1PhysicalSpecications
ItemSpecication
Dimensions(H×W×D)415mm×352mm×137mm
Weight23kg
ColorSilvergray
4.2OperatingEnvironment
FortheoperatingenvironmentrequirementsfortheZXSDRR8872A,refertoT able4-2.
Table4-2OperatingEnvironmentRequirements
ItemSpecication
Temperature–40℃to+55℃
Relativehumidity5%to100%
Waterproofand
dustprooflevel
IP65
Grounding≤5Ω
Inareaswherethenumberofthunderstormdaysperyearislessthan20,
thegroundingresistancecanbelessthan10Ω.
4-1
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ZXSDRR8872AProductDescription
4.3PowerSupply
ForthepowersupplyrequirementsoftheZXSDRR8872A,refertoT able4-3.
Table4-3PowerSupplyRequirements
ItemSpecication
PowersupplyDC:–48VDC(–37VDCto–60VDC)
GSMS8x20W:
Typicalpowerconsumption:275W
Peakpowerconsumption:555W
S1800
GSMS2x2x20W+LTE2x40W:
Typicalpowerconsumption:310W
Peakpowerconsumption:555W
GSMS8x20W:
Typicalpowerconsumption:295W
Peakpowerconsumption:575W
LTES2,2x40W/LTEcell:
Typicalpowerconsumption:315W
Peakpowerconsumption:575W
S9000
GSMS2x2x20W+LTE2x40W:
Typicalpowerconsumption:365W
Peakpowerconsumption:575W
S8500(LTE2x
80W)
Typicalpowerconsumption:315W
Peakpowerconsumption:575W
Powerconsump-
tion
S1900(LTE2x
80W)
Typicalpowerconsumption:290W
Peakpowerconsumption:560W
Lighteningpro-
tection20kA
4.4Performance
TheZXSDRR8872Asupportsfourfrequencybandmodels:
lZXSDRR8872AS8500:supportsCDMA,LTE,GSM,andUMTS.
lZXSDRR8872AS9000:supportsGSMandLTE.
lZXSDRR8872AS1800:supportsGSMandLTE.
lZXSDRR8872AS1900:supportsGSM,UMTS,andLTE.
FortheperformancerequirementsoftheZXSDRR8872A,refertoTable4-4,T able4-5,
Table4-6,andTable4-7.
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Chapter4T echnicalSpecications
Table4-4ZXSDRR8872AS8500PerformanceRequirements
ItemSpecication
Operating
frequency
band
850MHz
lTx:869–894MHz
lRx:824–849MHz
TOCoutput
power
2x80W
BandwidthLTE:1.4MHz,3MHz,5MHz,10MHz,and20MHz
GSMSingleantenna:–113.5dBm
Dualantennas:–115.5dBm
Fourantennas:N/A
UMTSSingleantenna:–125.8dBm
Dualantennas:–128.5dBm
Fourantennas:N/A
Receiver
Sensitivity
LTESingleantenna:–106.4dBm
Dualantennas:–109.2dBm
Fourantennas:N/A
GSMsingle-mode2x4TRXs
UMTSsingle-mode2x2CSs
UMTS/LTEmulti-modeUMTS2x2CSsandLTE1x10M2T2RCell
GSM/LTEmulti-modeGSM2x4TRXsandLTE1x10M2T2RCell
GSM/UMTSmulti-modeGSM2x4TRXsandUMTS2x2CSs
Capacity
GSM/UMTS/LTE
multi-mode
GSM2x2TRXs,UMTS2x1CSs,andLTE1x10MIMO
2T2RCell
Transmis-
sion
CPRIinterface,2x6.144Gbps
Table4-5ZXSDRR8872AS9000PerformanceRequirements
ItemSpecication
Operating
frequency
band
900MHz
lTx:934–960MHz
lRx:889–915MHz
TOCoutput
power
2x80W
BandwidthLTE:1.4MHz,3MHz,5MHz,and10MHz
4-3
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ZXSDRR8872AProductDescription
ItemSpecication
GSMSingleantenna:–113.5dBm
Dualantennas:–115.5dBm
Fourantennas:N/A
Receiving
sensitivity
LTESingleantenna:–106.4dBm
Dualantennas:–109.2dBm
Fourantennas:–112dBm
GSMsingle-mode2x6TRXs
LTEsingle-mode2x10MHz2T2R/2T4RCells
Capacity
GSM/LTEmulti-modelGSM2x4TRXs+LTE1x10MHz2T2R/2T4RCell
lGSM2x2TRXs+LTE2x10MHz2T2R/2T4RCells
Transmis-
sion
CPRIinterface,2x6.144Gbps
Table4-6ZXSDRR8872AS1800PerformanceRequirements
ItemSpecication
Operating
frequency
band
1800MHz
lTx:1805–1880MHz
lRx:1710–1785MHz
TOCoutput
power
2x80W
BandwidthLTE:1.4MHz,3MHz,5MHz,10MHz,and20MHz
GSMSingleantenna:–113.5dBm
Dualantennas:–115.5dBm
Fourantennas:N/A
Receiving
sensitivity
LTESingleantenna:–106.4dBm
Dualantennas:–109.2dBm
Fourantennas:–112dBm
GSMsingle-mode2x6TRXs
LTEsingle-mode2x20MHz2T2R/2T4RCells
Capacity
GSM/LTEmulti-modelGSM2x4TRXs+LTE1x20MHz2T2R/2T4RCell
lGSM2x2TRXs+LTE2x20MHz2T2R/2T4RCells
Transmis-
sion
CPRIinterface,2x6.144Gbps
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Chapter4T echnicalSpecications
Table4-7ZXSDRR8872AS1900PerformanceRequirements
ItemSpecication
Operating
frequency
band
1900MHz
lTx:1930–-1990MHz
lRx:1850–1910MHz
TOCoutput
power
2x80W
BandwidthLTE:1.4MHz,3MHz,5MHz,10MHz,and20MHz
GSMSingleantenna:–113.5dBm
Dualantennas:–115.5dBm
Fourantennas:N/A
UMTSSingleantenna:–125.8dBm
Dualantennas:–128.5dBm
Fourantennas:N/A
Receiving
sensitivity
LTESingleantenna:–106.4dBm
Dualantennas:–109.2dBm
Fourantennas:N/A
GSMsingle-mode2x4TRXs
UMTSsingle-mode2x2CSs
UMTS/LTEmulti-modeUMTS2x2CSsandLTE1x10MIMO2T2RCell
GSM/LTEmulti-modeGSM2x4TRXsandLTE1x10MIMO2T2RCell
GSM/UMTSmulti-modeGSM2x4TRXsandUMTS2x2CSs
Capacity
GSM/UMTS/LTE
multi-mode
GSM2x2TRXs,UMTS2x1CSs,andLTE1x10MIMO
2T2RCell
Transmis-
sion
CPRIinterface,2x6.144Gbps
4.5Reliability
ForthereliabilityrequirementsoftheZXSDRR8872A,refertoT able4-8.
Table4-8ReliabilityRequirements
ItemSpecication
MTBFDC:≥438,000hours
MTTR1hour
AvailabilityDC:≥99.999772%
DowntimeDC:≤1.200minutes/year
4-5
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ZXSDRR8872AProductDescription
4.6ElectromagneticCompatibility
FortheelectromagneticcompatibilityrequirementsoftheZXSDRR8872A,refertoTable
4-9.
Table4-9ElectromagneticCompatibilityRequirements
ItemSpecication
ESDimmunityContactdischarge:±6000V
Airdischarge:±8000V
SurgeimmunityDCpowerinterfacecable(grounding):±2000V
4-6
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Glossary
64QAM
-64QuadratureAmplitudeModulation
BBU
-BaseBandUnit
BSP
-BoardSupportPackage
CDMA
-CodeDivisionMultipleAccess
CPRI
-CommonPublicRadioInterface
DPD
-DigitalPre-Distortion
EMS
-ElementManagementSystem
GSM
-GlobalSystemforMobileCommunications
IP
-InternetProtocol
LMT
-LocalMaintenanceTerminal
LTE
-LongTermEvolution
MCPA
-Multi-CarrierPowerAmplier
MTBF
-MeanTimeBetweenFailures
MTTR
-MeanTimeT oRecovery
OAM
-OperatingandMaintenance
OSS
-OperationSupportSubsystem
PA
-PowerAmplier
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ZXSDRR8872AProductDescription
PC
-PersonalComputer
RRU
-RemoteRadioUnit
TCO
-T otalCostofOwnership
TCP
-TransmissionControlProtocol
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