Installation Guide

AirHarmony‐4200DC(InternalFilters)InstallationGuide
UGD‐D01196 AirspanCommercialandInternalUse 51
Term Expansion
LED LightEmittingDiode
LTE LongTermEvolution
MAC MediumAccessController–responsibleforseveralfunctionssuchError
Correction,Packet(De)Multiplexing,etc…
MBSFN Multicast‐BroadcastSingleFrequencyNetworkisanLTEfeaturedesignedto
deliverservicessuchasMobileTVusingtheLTEinfrastructure,andisexpectedto
beacompetitortoDVB‐H‐basedTVbroadcast
MCS ModulationandCodingScheme
MME MobilityManagementEntityisthekeycontrol‐nodefortheLTEaccess‐network.It
isresponsible,amongotherthingsforidlemodeUEtrackingandpagingprocedure
includingretransmissions
MTBF MeanTimeBetweenFailures
OFDMA OrthogonalFrequency‐DivisionMultipleAccess(OFDMA)isamulti‐userversionof
OFDMdigitalmodulationscheme,usedforeNodeBtransmissionstoUEs
PDCP PacketDataConvergenceProtocol.ASub‐LayerinLTEresponsibleforIPHeader
(De)Compression,etc…
PDU ProtocolDataUnit
PTP PrecisionTimeProtocolisusedtosynchronizeclocksthroughoutanetwork.Inthis
document,PTPisreferringtoIEEE1588‐2008protocol
RB ResourceBlock
RLC RadioLinkControl.ASub‐LayerinLTEresponsibleforAck/Nack,errorcorrection,
packetreordering,etc…
ROHS RestrictionOfHazardousSubstances
RRM RadioResourceManagementisusedtocoverallfunctionsthatarerelatedtothe
assignmentandsharingofradioresourcesamongUEs
S‐GW ServingGateway.ACoreentityintheLTEEPCarchitectureresponsibleforrouting
andforwardinguserdatapackets,whilealsoactingasthemobilityanchorforthe
userplaneduringinter‐eNodeBhandoversandastheanchorformobilitybetween
LTEandother3GPPtechnologies
SBA SwitchedBeamAntenna
SC‐FDMA Single‐CarrierFDMAisafrequency‐divisionmultipleaccessscheme,dealingwith
theassignmentofmultipleuserstoasharedcommunicationresource.UsedinLTE
forUEtransmissionstotheeNodeB
SCTP StreamControlTransmissionProtocolisareliabletransportlayerprotocol,
ensuringin‐sequencetransportofmessageswithcongestioncontrollikeTCP
SDR SoftwareDefinedRadio
TDD Time‐DivisionDuplexing.Atransceivermodewherethetransmitterandreceiver
operateonthesamecarrierfrequency
UE UserEquipment.TheenduserinLTE
WEEE WasteElectricalandElectronicEquipment
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