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室内密集型家庭基站网中自适应软频率复用技术(英文)
Title:AdaptiveSoftwareFrequencyReuseTechnologyinIndoorDenseFamilyBaseStationNetworks
Abstract:
Withtherapidgrowthofmobilecommunicationdevicesandtheincreasingdemandforwirelesscommunicationservices,theneedforefficientandreliableindoorwirelessnetworkshasbecomecrucial.Inordertoovercomethechallengesposedbylimitedspectrumresourcesandindoorinterference,theadoptionofadaptivesoftwarefrequencyreusetechnologyinindoordensefamilybasestationnetworkshasgainedsignificantattention.Thispaperaimstoprovideanoverviewofthetechnologyanditspotentialbenefitsinimprovingtheperformanceofindoorwirelessnetworks.
Introduction:
Thelimitedavailabilityofspectrumresourceshasledtoincreasedfocusonefficientutilizationoffrequencies.Inindoorenvironments,theproblemisfurtheraggravatedbythepresenceofinterferencefromneighboringcellsandotherelectronicdevices.Insuchscenarios,adaptivesoftwarefrequencyreusetechnologyprovidesaneffectivesolutionbydynamicallyallocatingfrequenciestodifferentcellsbasedontheirtrafficdemandsandinterferenceconditions.
Methodology:
1.ChannelAssignment:Thesoftware-definednatureofthetechnologyenablesthebasestationstointelligentlyassignfrequenciestocellsbasedonreal-timeinterferencemeasurements.Thisensuresthatcellswithhightrafficdemandsareallocatedfrequencieswithminimalinterference,therebyimprovingtheoverallnetworkcapacity.
2.PowerControl:Inadditiontofrequencyallocation,adaptivesoftwarefrequencyreusetechnologyalsoincorporatespowercontrolmechanisms.Byadjustingthetransmissionpowerofindividualcells,thenetworkcanfurthermitigateinterferenceandenhancesignalquality,leadingtobetteroverallnetworkperformance.
3.InterferenceMeasurementandManagement:Thetechnologycontinuouslymonitorstheinterferenceconditionsinthenetworkandadjuststhefrequencyassignmentsaccordingly.Incongestedareas,cellsthatexperiencehigherinterferencelevelscanbeallocatedexclusiveorpartiallyoverlappedfrequencybandstomitigateinterference.
4.DynamicChannelReassignment:Asthenetworkconditionschangeovertime,thetechnolog