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5G网络NSA组网共模抗干扰问题的研究
5GNetwork:ResearchonNSANetworkCommon-ModeInterference
Abstract:
Withtherapiddevelopmentofmobilenetworks,theemergenceof5Gtechnologyhasrevolutionizedthetelecommunicationsindustry.Oneofthekeyfeaturesof5GnetworksisNon-StandaloneArchitecture(NSA),whichcombinesexisting4Ginfrastructurewithnew5Gcapabilities.However,thisintegrationposeschallenges,particularlyindealingwithcommon-modeinterference.Thispaperaimstoexplorethevariousaspectsofcommon-modeinterferencein5GNSAnetworks,analyzeitsimpact,anddiscusspotentialsolutionstomitigatetheseeffects.
1.Introduction:
Theimplementationof5Gtechnologyrequiresthesimultaneouscoexistenceof4Gand5Gequipment,resultinginmixednetworks.Thismixednetworkarchitecture,knownasNon-StandaloneArchitecture(NSA),allowsoperatorstoleverageexisting4Ginfrastructurewhileenhancingitwith5Gcapabilities.However,NSAnetworksfacechallengesregardingcommon-modeinterference,whichoccurswhenboth4Gand5Gsystemsexperienceinterferencesimultaneously.
2.Common-ModeInterferencein5GNetworks:
2.1DefinitionandCauses:
Common-modeinterferencereferstointerferencethataffectsboththe4Gand5Gsystemssimultaneously.Itcanbecausedbyvariousfactors,includingantennacharacteristics,transmissionlines,groundloops,andelectromagneticcompatibilityissues.Understandingthesecausesiscrucialtoeffectivelyaddressingtheinterference.
2.2ImpactonNetworkPerformance:
Common-modeinterferencecanhavesevereconsequencesontheperformanceof5GNSAnetworks.Itcanleadtoincreasedbiterrorrates,reduceddatarates,degradednetworkcoverage,andcompromisedqualityofservice.Theseeffectshinderthedeliveryofthepromised5Gnetworkcapabilities.
3.CurrentMitigationTechniques:
Toovercomecommon-modeinterferencein5Gnetworks,severalmitigationtechniqueshavebeendevelopedandimplemented.Thesetechniquescanbeclassifiedintothreemaincategories:antennadesignoptimization,transmissionlineisolation,andinterferencecancellationtechniques.
3.1AntennaDesignOptimization:
Optimizingantennadesigniscriticalforreducingcommon-modeinterference.Techniquess