Zte ZXSDR R8860E GU858 - BBU and RRU

ZXSDRR8860EGU858UserManual
Figure1-1R8860EGU858POSITIONINGSM/UMTSNETWORK
BTS/NodeB,whichprovidestheradiocoverageofGSM/UMTSnetwork,performsthe
followingfunctions:
lRealizesMS/UEaccessandradiolinktransmissionthroughUm/Uuinterface.
lConnectswithBSC/RNCthroughAbis/Iubinterface,reportsBTS/NodeB
measurementinformation,broadcastssysteminformationprovidedbyBSC/RNC,
executescommandsissuedbyBSC/RNC(suchasaccesscontrol,mobility
management,andradioresourcemanagement),andperformsFPprocessingand
transmissionmanagement.
ThedistributedBTS/NodeBsystemconsistsofBBUandRRU.R8860EGU858realizes
thefunctionofRRU,andworkswiththedual-modeBBUtoformtheBTS/NodeBbase
station.
1.2.2BBUandRRU
Functions
Figure1-2showsthebasestationstructurewhichisdividedintoBBUandRRU.BBU
performsbasebandprocessing,transmission,andcontrol,whileRRUperformstheRF
processing.
Figure1-2BASESTATION(BBUANDRRU)
1-2
SJ-20101210110401-001|2010-12-06ZTEProprietaryandCondential