What is 5G EN-DC | What is 5G NR Dual Connectivity - RF ...

The 5G EN-DC has been introduced in 3GPP release 15. The term EN-DC (Evolved-Universal Terrestrial Radio Access-New Radio) refers to E-UTRA NR Dual ... HomeofRFandWirelessVendorsandResources OneStopForYourRFandWirelessNeed Whatis5GEN-DC|Whatis5GNRDualConnectivity Thispagedescribes5GEN-DCor5GNRDualconnectivity. In5GNREN-DCtermstandsforE-UTRA-NRDualConnectivity. The5GEN-DChasbeenintroducedin3GPPrelease15. ThetermEN-DC(Evolved-UniversalTerrestrialRadioAccess-NewRadio) referstoE-UTRANRDualconnectivity. ThisfeatureallowsmobiledevicetoexchangedatabetweenitselfandNRbasestationalongwith simultaneousconnectionwithLTEbasestation.Thisispossiblewhenthereistight interworkingbetweenLTEand5GNRbasestationhasbeenestablished. Inthisdualconnectivitymode,UEmaybesimultaneouslyconnectedtoLTEandNRor toLTEforcontrolplaneandNRforuserplane.Inthisdualconnectivityfeature,UEleverages benefitsofbothLTEand5Gconnectivitysimultaneously. ControlPlane: • TosetupandmodifytheEN-DCoperation,amobiledevicemustcomprehendboththeLTEand NRRRCcontrolsignaling. • TotransporttheseRRCmessagesbetweenthenetworkandamobiledevice, asetofsignalingradiobearers(SRBs)areused: • MasterCellGroup(MCG)SRB(SRB1,SRB2): • SplitSRB(SRB1+SRB1S,SRB2+SRB2S) • SecondaryCellGroup(SCG)SRB(SRB3) UserPlane: • Whenitcomestotheuserplane,wheretheuserdataistransported betweenthenetworkandamobiledevice,dataradiobearers(DRBs)areused. EN-DCsupportMCGDRBs,MCGsplitDRBsandSCGDRBs • AnadditionaldataradiobearerSCGsplitDRBhasbeenintroducedinEN-DC. Featuresof5GEN-DC|5GNRDualConnectivity Thefigure-1depicts5GEN-DC.Followingarethefeaturesof5GEN-DC. • RRCtermination:Boththemasternodeandsecondarynode. • ControlPlaneterminationtowardsthecorenetwork:Onlyatthemasternode • SupportedDRBs:Direct,Split • SupportedSRBs:MCGSRB(OptionallyincludingNRRRC),SplitSRB(OptionallyincludingNRRRC), SCGSRB(includingonlyNRRRC). • Packetduplication/pathswitchingfor splitDRBs/SRBs:Pathswitchingsupportaswellaspacketduplicationfeature(atleastindownlink) forbothsplitDRBsandsplitSRBs. • Mobility:MasternodecontrolsmobilityinLTE,whileeitherthemasternodeorthe secondarynodecancontrolmobilityinNR(Dependingonnetworkconfiguration). 5GNRNumerology|5GNRTerminology • 5GNRPHYtimingunit   • 5GNRSLIV   • 5GNRMiniSlot   • 5GNRBandwidthPart   • 5GNRCORESET   • 5GNRDCIFormats   • 5GNRUCI   • 5GNRslotformats   • 5GNRRRCIEs   • 5GNRRSRPRSRQSINR   5GNRControlchannels|5GNRTrafficChannels|5GNRReferenceSignalsandsequences • 5GNRSSB,SS,PBCH   • 5GNRPRACH   • 5GNRPDCCH   • 5GNRPUCCH   • 5GNRReferenceSignals   • 5GNRm-Sequence   • 5GNRGoldSequence   • 5GNRZadoffChuSequence   5GTECHNOLOGYRELATEDLINKS This5Gtutorialalsocoversfollowingsubtopicsonthe5Gtechnology: 5Gbasictutorial 5GFrequencyBands 5Gmillimeterwavetutorial 5Gmmwaveframe 5Gmillimeterwavechannelsounding Differencebetween4Gand5G 5Gtestingandtestequipments 5Gnetworkarchitecture 5GNRPhysicallayer 5GNRMAClayer 5GNRRLClayer 5GNRPDCPlayer Whatis? whatisRF?  whatiswireless?  whatiszigbee?  whatisBluetooth?  whatislightwaveRF?  whatisz-wave?  whatismicrocontroller?  whatisGSM?  whatisGPRS?  whatisinfrared?  IoTWirelessTechnologies ➤THREAD   ➤EnOcean   ➤LoRa   ➤SIGFOX   ➤WHDI   ➤NFC   ➤Lonworks   ➤CEBus   ➤UPB   RFWirelessTutorials GSM  TD-SCDMA  wimax  LTE  UMTS  GPRS  CDMA  SCADA  WLAN  802.11ac  802.11ad  GPS  Zigbee  z-wave  Bluetooth  UWB  IoT  T&M  satellite  Antenna  RADAR  RFID  Sharethispage Translatethispage ARTICLES   T&Msection   TERMINOLOGIES   Tutorials   Jobs&Careers   VENDORS   IoT   Onlinecalculators   sourcecodes   APP.NOTES   T&MWorldWebsite   RFWirelessTutorials 5GNR|Zigbee|z-wave|Bluetooth|GSM| UMTS|LTE|WLAN|802.11ac| IoT|RADAR|satellite|Waveguide| PopularTutorials DECT|  ISDN|  ATM|  WBAN|  TransferJet|  BLE|  Femtocell|  HSPA|  BACnet|  Ethernet|  TETRA|  Underwaterwireless|  5G|  LiFi|  LoRa|  NFC|  Infrared|  RFmeasurements|  VSAT|  Diode|  SS7|  Networking|  NetworkSecurity|  FTTH|  KNX|  WAP|  MobileIP|  OpticalWireless|  Popularterms TerminologyIndex|  WiDivsWiFi|  RFComponents|  OpticalComponents|  GSMchannels|  LTEchannels|  CSMA-CD/CA|  LANvsPAN|  NFCTagvsReader|  VDSLvsG.fast|  Sensors|  wirelessPHY|  DiacvsTriac|  JUGFETvsMOSFET|  IoTWireless|  RFOverFiber|  IP2vsIP3|  ASKFSKPSK