User's Manual

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