Zte ZXSDR R8860E GU858 - Chapter 1 System Overview; System Background; System Positions; System Position in Network

Chapter1
SystemOverview
TableofContents
SystemBackground...................................................................................................1-1
SystemPositions........................................................................................................1-1
SystemRunningEnvironment....................................................................................1-3
RRUAppearance.......................................................................................................
1-5
SystemFeatures........................................................................................................1-5
ServicesandFunctions..............................................................................................
1-6
SystemOperationandMaintenance...........................................................................1-8
1.1SystemBackground
R8860EGU858istheoutdoordual-modeRFremoteunitintheZTEZXSDRseriesbase
stationproducts.
ZTECorporationhaslaunchedaseriesofbasestationproductstosatisfyvarious
requirementsofoperators.Oneofthesolutionsisdividingthebasestationintotwoparts:
BaseBandUnit(BBU)andRemoteRadioUnit(RRU).R8860EGU858istheoutdoor
RRU,anditworkswithBBUtorealizecompletelogicalfunctionsofabasestation.
R8860EGU858adoptsthemulti-carriertechnologyasitscoretechnology.Itsupportstwo
radiosystems:GSMandUMTS.R8860EGU858canbeusedasanindependentRRU
forGSMoranindependentRRUforUMTS,anditworkswithBBUtoformthedual-mode
basestation.
1.2SystemPositions
1.2.1SystemPositioninNetwork
TheGSM/UMTSsystemconsistsoffourparts:
lBasestation(BTS/NodeB)
lRadionetworkcontroller(BSC/RNC)
lCoreNetwork(CN)system
lMobilestation(MS/UE)
Figure1-1showsthepositionofR8860EGU858intheGSM/UMTSnetwork.
1-1
SJ-20101210110401-001|2010-12-06ZTEProprietaryandCondential