GTI《5G一体化小站技术需求白皮书》-GTI 5G Low-Cost Series Products -5G Femto Technical Requirements White Paper

GTI5GFemtoTechnicalRequirementWhitePaper

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GTI5GFemtoTechnicalRequirementWhitePaper

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GTI5GFemtoTechnicalRequirement

WhitePaper

Version:

v_1.0

DeliverableType

□ProceduralDocument

WorkingDocument

ConfidentialLevel

□OpentoGTIOperatorMembersOpentoGTIPartners

□OpentoPublic

Program

5GTechnologyandProduct

WorkingGroup

Project

ProductsInnovation

Task

Network

Sourcemembers

CMCC,T&W,Comba,SAGERAN,Ruijie,Baicells,SmartLogic,Picocom,Ultichip

Supportmembers

Qualcomm

Editor

YanBu(CMCC),YurongTang(CMCC),GuizhenWang(CMCC),LeiCao(CMCC),XuJing(CMCC),LinshengLiao(CMCC),JixiangFu(CMCC),KangXu(CMCC),

PeiqiWu(CMCC),NairongJiang(CMCC),MiaoqingSheng(T&W),Wenliang

He(T&W),XinMa(T&W),YunsongZhu(T&W),YiPei(T&W),ShinanWang(T&W),XiLi(Comba),LiyuLiao(Comba),DongKang(Comba),YangOu(Comba),Shaohu

Fang(Comba),YangSong(SAGERAN),JieLin(SAGERAN),WeiyanZhou(SAGERAN),YiChen(SAGERAN),YuanYongYin(Ruijie),DiQu(Ruijie),YangweiZhu(Ruijie),Yi

Xu(Ruijie),ZhandongSun(Baicells),YuhaoChen(Baicells),BinSong(Baicells),Jianwei

Zhu(Baicells),LiWang(Baicells),JianfengZhou(SmartLogic),Huazhi

Guo(Picocom),WeiZhang(Picocom),PengHao(Ultichip),XiaolinHou(DOCOMOBeijingLabs),YuJiang(DOCOMOBeijingLabs),LanChen(DOCOMOBeijingLabs)

LastEditDate

2023-09-1

ApprovalDate

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Confidentiality:ThisdocumentmaycontaininformationthatisconfidentialandaccesstothisdocumentisrestrictedtothepersonslistedintheConfidentialLevel.Thisdocumentmaynotbeused,disclosedorreproduced,inwholeorinpart,withoutthepriorwrittenauthorizationofGTI,andthosesoauthorizedmayonlyusethisdocumentforthepurposeconsistentwiththeauthorization.GTIdisclaimsanyliabilityfortheaccuracyorcompletenessortimelinessoftheinformationcontainedinthisdocument.Theinformationcontainedinthisdocumentmaybesubjecttochangewithoutpriornotice.

DocumentHistory

Date

Meeting#

Version#

RevisionContents

2023.8.30

V1.0

InitialVersion

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TableofContents

Abbreviations 5

Introduction 6

1.Overview 7

1.1.5GFemtoDevelopmentProcess 7

1.2.5GFemtoIndustrialStatus 8

1.2.1.StandardSpecification 8

1.2.2.ChipsetSolution 9

1.2.3.Products 9

2.RequirementsAnalysis 10

2.1.ResidentialScenarios 10

2.2.RetailScenarios 10

2.3.IsolatedIslandScenarios 11

2.4.SpecialScenarios 12

3.TechnicalRequirement 14

3.1.NetworkRequirement 14

3.1.1.NetworkArchitecture 14

3.1.2.SynchronizationTechnology 14

3.1.3.SON 15

3.1.4.IPSec 16

3.2.ProductRequirements 17

3.2.1.HardwareRequirements 17

3.2.2.SoftwareRequirements 18

3.2.3.SecurityRequirements 19

4.DemonstrationApplications 20

4.1.ResidentialScenario 20

4.2.RestaurantScenario 20

4.3.XRExperience 21

4.4.ElevatorScenario 22

4.5.SeaAreaScenario 23

4.6.SmartMineScenario 24

5.ForwardVision 26

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Abbreviations

Abbreviation

Explanation

2G/3G

The2nd/3rdGenerationTelecommunicationTechnology

3GPP

The3rdGenerationPartnershipProject

4G

The4thGenerationTelecommunicationTechnology

5G

The5thGenerationTelecommunicationTechnology

BS

BaseStation

AI

ArtificialIntelligence

DL

Downlink

UL

Uplink

LTE

Long-TermEvolution

NR

NewRadio

MIMO

Multiple-InputMultiple-Output

CCSA

ChinaCommunicationsStandardsAssociation

OMC

OperationandMaintenanceCenter

TDD

TimeDivisionDuplexing

ARPU

AverageRevenuePerUser

SON

Self-OrganizingNetwork

DSL

DigitalSubscriberLine

CSG

closedsubscribergroup

IPsec

InternetProtocolSecurity

RRC

RadioResourceControl

PON

PassiveOpticalNetwork

PTN

PacketTransportNetwork

SPN

ServiceProviderNetwork

OAM

OperationAdministrationandMaintenance

ANR

AutomaticNeighborRelations

BARS

BroadbandRemoteAccessServer

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Introduction

5G,asacrucialinfrastructuresupportingthedigitalization,networking,andintelligenttransformationoftheeconomyandsociety,playsavitalroleindrivinghigh-qualityeconomicandsocialdevelopment.Theconstructionof5Gnetworksisgraduallytransitiontodeepnessandprecisedivision,alongwiththecontinuousexpansionofuserscaleandbusinessapplication.Otherthancrowdedplacessuchastransportationhubsandbustlingshoppingmalls,lotsofindoorscenariosarenotsensitivetocapacitywhilestrongdemandonlowercost.Foroutdoorscenarios,theinvestmentreturnrateontraditionalmacrositeistoolowforrural,mountainousandborderareaswherehaveasparsepopulation.Thecost-effectivenessof5Gnetworkconstructioninthesescenariosneedstobeimprovedimmediately.Inrecentyears,mainproblemintelecommunicationsindustryisrelatedonhowtoplantheperformanceof5Gnetworkreasonably,howtorelieveinvestmentpressure,andhowtoimprovethecost-effectivenessof5Gnetworkconstruction.5Gnetworkoperatorsandequipmentvendorsfocusonrefinementandandcost-effectiveofnetworkproducts,activeoncontinuousinnovation,developaseriesof

low-costproductsolutionsgradually,andbuildaubiquitousandboutique5Gnetwork.

Sometypicalscenariosofmediumandlowcapacity,likeresidentialbuildings,smallandmedium-sizedshops,etc.,alsofacedifficultiesinpropertycoordinationandtransmissionconstruction.The5GFemtohasthecharacteristicsofconvenienceandflexibility,plugandplay,

andcontrollablemanagement,makingitacost-effectivecoveragesolution.

ThiswhitepaperdelvesintothedevelopmentprocessofFemtocell,providesanoverviewoftheindustry'scurrentstate,analyzesthedemandforkeyapplicationscenarios,outlinesthetechnicalrequirementsfor5GFemto,andshowcasestypicaldemonstrationapplications.GTIaimstoleadthehigh-qualitydevelopmentofthe5GFemtoindustry,accelerateindustryinnovation,strengthenfine-grained5Gnetworkcoverage,anddrivetherobustgrowthofthe

digitaleconomy.

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1.Overview

1.1.5GFemtoDevelopmentProcess

3GPPdivides5GNRbasestationsintoWideAreaBaseStations,MediumRangeBaseStations,andLocalAreaBaseStations.

Table1-1Classificationof5Gbasestations

classification

Minimumcouplingloss

frombasestationto

terminal（MCL）

Minimumcoverage

distance

Maximum

transmissionpower

WideAreaBaseStations

70dB

35meters

/

MediumRangeBaseStations

53dB

5meters

38dBm/perchannel

LocalAreaBaseStations

45dB

2meters

24dBm/perchannel

The5GFemtodescribedinthiswhitepaperisanlocalareabasestation,ItcanutilizefixedbroadbandorotherIPnetworkstransmission,plugandplay,toachieve5Gdeepcoverageinindoorplacessuchashomes,shops,smallandmedium-sizedenterprises,andcanalsoutilizesatellitetransmissiontoachievecontinuouscoverageof5Gsignalsinspecialscenariossuchasseaareas,mountainousareas,andemergencysituationsatlowcostandhighefficiency,

providinguserswithstable,safe,andhigh-qualitywirelesscommunicationservices.

Femtocell,alsocalledhomebasestation,originatedfrom3G.Itismainlyproposedtoaddresstheindoorcoverageshortagecausedbythehigherfrequencybandof3Gsystemscomparedto2Gsystems,aswellasthechallengeofdivertingvoiceanddataservicesfromWiFitechnology.TheFemtoCellcanaccessoperator’snetworkbyutilizingDSL,cables,orfiber,therebyenhancingindoorsignalanddatatransmissionrates.Comparedwithtraditionalbasestations,FemtoCellisinexpensiveandhasbecomeanimportantsolutionforimprovingindoor

signals.

4Gwirelessdatatraffichasrapidgrowth,with70%ofbusinessoccurringinindoorscenarios.Therapidpopularizationofhigh-speedmultimediaserviceshasputforwardhigherrequirementsfornetworkcoverageandcapacity.Thetraditionalcellularnetwork,whichmainlyreliesonthecoverageofmacrostations,ispronetoblindspotsorinsufficientcoverageinsomediscreteindoorscenarios.Theconstructionandoperationcostsofusingmacrostationsarerelativelyhigh,andthedifficultyofbuildingpropertycoordinationusingindoordistributionsystemsishigh,

resultinginlargeconstructionandrenovationcosts.Asanewforceinindoorcoverage,4GFemto

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canmakeupforthelackofdeepcoverageinmacrocells,increasetheARPUvalueofsingleusers,andreducetheOPEXandCAPEXofoperators.Theyhaveachievedrapiddevelopmentinthe4G

period.

inthe5Gera,withthegradualpopularizationofapplicationssuchasultra-highdefinitionlivestreaming,videoconferencing,onlineeducation,homemonitoring,aswellascloudgamesandvirtualreality,high-speedandlowlatencyapplicationshavebecomeincreasinglyrigiddemands,5GFemtointegratesnewgenerationwirelesscommunicationtechnology,whichcanprovidewirelesscommunicationserviceswithhigherspeed,lowerlatency,andlargercapacity.CombinedwithexcellentnetworkslicingandQoSguaranteecapabilities,itcanbettermeetthediversenetworkneedsofvariousindustries.Atthesametime,withthedevelopmentofgreenenergyconservationinthecommunicationindustryandthecurrentglobalcarbonneutralitybackground,low-powerFemtocanachievenetworkcoverageandcapacitythroughplugandplay,

whichismoreacceptabletousersandhasabroaderdevelopmentprospect.

1.2.5GFemtoIndustrialStatus

Asakindofcost-effectivesolutionforindoorcoverageenhancement,5GFemtosolutionhasreachtheconsensusofICTindustry.Atfirst,theindustryheatisnowemerging.Secondly,industrialstandardisgraduallyconstructedandimproved.Thirdly,chipsetsolutionsarebecomingmoreandmorediverse.5GFemtoProductshavematuredandtheindustrialecologyisgradually

prospering.

1.2.1.StandardSpecification

3GPPbegantoworkontheFemtobasestation(HNB)standardin2007.Later,3GPP4GLTEnamedFemtobasestationasHeNB,andbroadcastHeNBinformationtomarkthetypeofHeNBstationintheradiointerface.ItintroducedtheconceptofCSG(ClosedSubscriberGroup)tosupportblackandwhitenamelistbasedaccessandfeaturesofinteroperability.Atthesametime,theoptionalHeNBGWfunctionisintroducedintowirelessarchitecturetoadapttodifferentbackhaulingnetworkscenarios.Inthe3GPP5GNRstandard,RAN4hasincludedtheFemtoRF

indexinthedefinitionofLocalareabasestation.

CCSAinChinahasdevelopedaseriesofstandardsforTD-LTEFemtocellinthe4Gera.In

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2022,Ithascompletedthetechnicalresearchfor5GFemtocell,thenlaunchedthe5GFemtocellindustrystandardprojectin2023.ChinaMobilehasformulatedenterprisestandardsfor5G

Femtocellandgatewayin2023.

1.2.2.ChipsetSolution

Inthe4Gera,Therearematurechipsetsolutions,Broadcom,Qualcomm,Intelandothersmallbasestationchipsetshavebeenwidelyused.5Gchipindustryisinahigh-speeddevelopmentstage,andmanymanufacturersarecommittedtodevelopinghigh-performancechipsetsupporting5Gtechnologytomeettheneedsofhigh-speeddatatransmissionand

low-latencycommunication.

Atpresent,QualcommandNXPhavematurechipsetsfor5GFemto,andtheirchipsetsandsoftwarehavereachedthecommercialstate.Inaddition,severalchipsetschemesofSmartLogic,PicocomandUltichipinChinahaveproductsorareunderdevelopment.5GFemtochipsetsshowatrendofincreasingintegration,evolvingtoaone-piecesolutionthatsupportsmulti-mode,multi-bandandcoversbasebandandhigh-levelprotocolstackfunctions,makingtheequipmentmorecompactandenergy-saving,providinghigherperformanceandcapacity,andsupportingvariouscommunicationtechnologiestoprovideuserswithmorecomprehensivecoverageandservices.Itisbelievedthatwiththedevelopmentof5Gtechnologyand

semiconductorindustry,moremanufacturersmayemergeinthefuturetolaunchnewsolutions.

1.2.3.Products

Theminiaturizationandflexibilityofthe5GFemtomakeitanideallow-costsolutiontofillthecoveragegapandprovidehigh-speeddataservices.Operatorsandequipmentmanufacturers

haveannouncedcorrespondingsolutionsandproductstoembracethisexpectedmarket.

In2022,ChinaMobileofficiallyreleasedtheworld'sfirst2.6GHz5GFemto,andfurtherreleased4G/5Gdual-modecommercialFemtoproductin2023,whichcanachieveDL800MbpsandUL230Mbpsthroughput.NOKIA,SAMSUNG,T&W,SAGERAN,Baicellsandotheroperatorsandequipmentvendorshavealsoreleasedtheir5GFemtoseriesproducts.Inaddition,moreandmorevendorssuchasCombaandRuijiehavealsojoinedtheresearchanddevelopmentprogram,

promotingthefurtherdevelopmentoftechnologyandequipmentcostreduction.

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2.RequirementsAnalysis

2.1.ResidentialScenarios

Aspreviouslydiscussed,therearedualchallengesincurrentresidentialscenarios.Ontheonehand,certainresidentialsettingsexperienceissuesofweakcoverageandblindspots.Ontheotherhand,withthegradualwidespreadadoptionofapplicationssuchasultra-high-definitionlivestreaming,videoconferencing,onlineeducation,cloudgaming,andevenvirtualreality,thedemandfornetworkswithhighdatarates,lowlatency,andextensivecapacityhasbecomean

essentialrequirement.

Consideringtheinconvenienceassociatedwithdeployingtransmissionlineswithinresidentialenvironmentsandthevariableplacementofdevices,thereisanotabledemandforequipmentdeploymentthatisflexible,convenient,environmentallyfriendly,andenergy-efficient.5GFemtohavethecapabilitytoleverageexistingresidentialbroadbandnetworksforBackhaul,andenablethePlugandPlayfeature,theysignificantlymitigatethechallengesandcostsofdeployment.Thisallowsfortherapidattainmentofcomprehensiveindoorcoverage,whileboastingattributessuchascompactandaestheticallypleasingdesigns,lowpowerconsumption,

andthecapacityforeffectivemanagementandcontrol.Assuch,theystandasapreferredand

optimalsolution.

2.2.RetailScenarios

Withthewidespreadadoptionofmobilesmartterminalssuchassmartphonesandtablets,alongwiththerapidproliferationofserviceslikemobilepayments,short-formvideocontent,cloudgaming,andextendedreality(XR),thereisapronounceddemandforhigh-qualitynetworksinvariouscontexts.Thisdemandextendstotraditionalretailspaceslikeshops,restaurants,and

andbusinesshalls,aswellasemergingvenueslikeimmersivegamingexperiencesandtemporary

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e-Sportscompetitions.Theseestablishmentsseekrobustnetworkconnectivitytoenhancetheirbrandimageandprovidefinely-tailoredcustomerservices,thusunlockingadditionalavenuesfor

businessgrowth.

Theretailenvironmentischaracterizedbyitsinherentcomplexityandnumerousinternalpartitions.Itissusceptibletosignalattenuationduetoarchitecturalobstructionsandgeographicalbarriers,leadingtosignificantsignalpenetrationlossesandtheemergenceofsignaldeadzoneswithin.Incommercialzoneswithhighfoottraffic,wirelesssignalcongestioncanoccur,significantlycompromisingtheuserexperience.Addressingthesediscreteareasofweakcoverageandblindspotsusingadistributedsmallcellapproachoftenrequiressubstantialinvestment.Moreover,installationworksuchaslayingcablesanddrillingholescandisruptthe

aestheticappealofstoreinteriors,causinginconveniencesforbusinessowners.

5GFemtodoesnotrequirenewtransmissionlines.byutilizingtheexistingbroadbandinfrastructure,it'spossibletoachievecomprehensivecoverageofretailspacesquicklyandatalowcost,anddeliverhigh-speed,stable,secure,andhigh-capacitynetworks,ultimatelyenhancingtheuserexperience.5GFemtowithmmWaveisattractivetooffloadtrafficbyco-channeldeploymentinthisscenario,becausetheinter-cellinterferenceismitigatednaturally

bylargepenetrationloss.

2.3.IsolatedIslandScenarios

Limitedspacessuchaselevatorsandbasementsareenclosingenvironment,andoutdoormacroandindoorbasestationsignalscan'tpenetratein,soitiseasytobecomewirelesssignalcoverageoftheislandblindarea.Insuchregions,thereisastronguserperceptionforuninterruptedcoverage,makingthemfrequentsourcesofnetworkcomplaints.Thesescenariostypicallyinvolvefewerusers,shortstaydurations,andlowerdatademands,thusemphasizingthe

needforcost-effectivecoveragesolutions.Additionally,theclosureoflimitedspaceisnot

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conducivetodeviceheatdissipation,andthereisalsoahighdemandfordeviceminiaturization

andlowpowerconsumption.

5GFemtocanberapidlydeployedwithinenclosedislandscenarios,offeringastablesignalstrengthwithoutsignalloss,therebyenhancingtheuserexperience.Simultaneously,theirfeaturesoflowcost,compactsize,andenergyefficiencymakethemwell-suitedtoeffectively

meetthedemandsofsuchscenarios.

2.4.SpecialScenarios

Withthelarge-scaledeploymentandapplicationof5G,thedemandforcoverageinuniquesettingssuchasseaareasandmountainousregionsisbecomingincreasinglyurgent.Determininghowtoaccomplish5Gcoverageinthesespecializedscenarioswithminimalresourcesand

investmentshasbecomeakeyareaoffocus.

Typicalapplicationscenariosencompassawiderange,includinglow-trafficexpansiveareaslikeoceans,mountainousregions,andplateaus;hazardousenvironmentslikeoil,gas,petrochemical,andcoalminingsites;andemergencysituationssuchasfirefighting,rescueoperations,anddisasterrelief.Diversescenariospresentdistinctrequirementsfornetwork

equipment.

5GFemto,duetotheiradvantagesofbeingcost-effective,energy-efficient,easytodeployandmaintain,andcapableofplug-and-playoperationthroughexistingfixedbroadbandor

satellitebackhaul,arewell-positionedtopromptlyandeffectivelyfulfillthesevaryingdemands.

.Wide-AreaLow-TrafficScenarios

Thedefiningcharacteristicofwide-arealow-trafficscenariossuchasseaare,mountainousregions,andplateausistheoveralllowtrafficvolumespreadacrosstheseareas.Thesescenarios

exhibitaheighteneddemandforseamlesscoveragecommunication,particularlycriticalin

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emergencysituations,yetsporadicinstancesofelevatedtrafficdemandscanalsoarise.Challengesencompassbothtransmissionandpowersupplyinsuchenvironments,andthereisa

substantialneedforbasestationequipmentwithlowpowerconsumptionandflexiblebackhaul

methods.

.HazardousEnvironments

Theintelligentconstructionwithinhazardousenvironments,suchasoilandgas,petrochemical,andcoalminingsites,underscoresacompellingdemandforhigh-quality5Gcommunication.Theseenvironmentsarecharacterizedbyadverseconditions,oftenfeaturingelevatedtemperatures,highhumidity,andsubstantialdustlevels.On-sitesituationsarecomplex,characterizedbyhighuncertaintyandsignificantdangerfactors.Furthermore,thesescenariosencounterlimitationsinavailablespace.Assuch,thereisanurgentrequirementforbasestationequipmentwithasimplifiednetworkstructurethatallowsforagiledeploymentandstraightforwardmaintenance.Thesestationsmustnotonlymeetsafetyrequirementsforexplosion-proofingbutalsominimizedeploymentcomplexitiesandmaintenanceworkloads.Thisdualfocusonsafetyandefficiencyisessentialinachievingsecureandeffectiveoperationswithin

suchhigh-riskenvironments.

.

EmergencyScenarios

Withinemergencyscenarioslikefirefighting,rescueoperations,anddisasterrelief,thedemandforcommunicationisnotlongerlimitedtothevoiceintercomforkeycommunication.Withreal-timeimageanddatatransmissionbecomingpivotalforfrontlinecommanddecisions,theroleofintelligentemergencyrobotshastranscendedhumanlimitations,allowingthemtooperatewithinperilousenvironmentsandperformvarioustasks.Suchcontextscallforbasestationequipmentthatisreadilydeployablewithouttheneedforinstallation,

capableofquicklyprovidingcommunicationservicesandreal-timeimagetransmission.

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3.TechnicalRequirement

3.1.NetworkRequirement

3.1.1.NetworkArchitecture

5GFemtonetworkarchitecturediagramisasfollows.Themainnetworkelementsinclude5GFemto,securitygateway,signalinggateway,andnetworkmanagementsystem.5GFemtocanaccessthecorenetworkthroughthededicatedtransmissionnetworksforoperator,whichbelongstothetrusteddomainnetwork.Thesecuritygatewayisanoptionalnetworkelementinthiscase.ItcanalsoaccessthecorenetworkthroughfixedbroadbandorotherIPnetworks,whichbelongstotheuntrusteddomainnetwork.Inthiscase,thesecuritygatewayisamandatoryelement.The5GFemtoandsecuritygatewayestablishIPsectunnelstoencryptdata

packetsandprotectdatasecurity.

Fig

Figure3-15GFemtoNetworkArchitecture

Thefunctionsofthemaindevicesinthe5GFemtonetworkarchitectureareasfollows:

.5GFemto:Implementscompletebasestationfunctionality.

.Securitygateway:Performsmutualauthenticationwiththe5GFemtoonbehalfofthe

corenetwork.

.Signalinggateway:Aggregatessignalingbetween5GFemtoandthecorenetwork.

.Networkmanagementsystem:Performslocationverificationof5GFemto,devicemanagementfor5GFemto,securitygateways,andsignalinggateways,andachieves

systemmanageabilityandcontrollability.

3.1.2.SynchronizationTechnology

SynchronizationisanecessaryrequirementforTDDmobilenetworks.Unsynchronizedclocks

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canaffectbasestationhandoverandincreaseinterferencerisks,resultinginissuessuchasdroppedcallsandpooruserexperience.Synchronizationincludesfrequencysynchronizationandtimesynchronization.Thesynchronizationtechnologiesfor5GFemtomainlyincludeairinterface

synchronization,GNSSsynchronization,andIEEE1588v2synchronization.

Consideringthat5GFemtoismainlydeployedinindoorenvironments,GNSSsynchronizationhashighercostsandinstallationdifficulties,whileimplementingIEEE1588v2synchronizationrequiresupgradingandmodifyingthetransmissionnetworkequipment.Therefore,airinterfacesynchronizationisthepreferredsolution.Itinvolveslisteningtothesynchronizationandbroadcastsignalsofsurroundingbasestationstoobtaintheframeoffsetinformationbetween5GFemtoandmacrobasestations,ensuringsynchronizationbetween

neighboringcellclusters.

Table3-1Comparisonofsynchronizationtechnologies

Technology

Backhaul

Requirements

Environment

Requirements

ExtraCosts

ImplementationDifficulty

Reliability

Airinterface

synchronization

No

Needmacro

basestation

networkaround

No

Low

Medium

GNSS

synchronization

No

Canreceive

GNSSsignal

Increase

GNSS

module

costs

High

Medium

IEEE1588v2

synchronization

Support

1588v2

No

No

Low

High

GNSS-1588v2

hybrid

synchronization

Support

1588v2

No

No

Low

High

3.1.3.SON

Traditionalnetworkconfigurationandoptimizationtypicallyrequirealargeamountofmanualinterventionandadjustment,consumingtimeandresources.Self-OrganizingNetwork(SON),asanautomatednetworkmanagementtechnology,canautomaticallyperformsystemparameterconfigurationandoptimizationthroughself-configuration,self-optimization,andself-healing.Thisreducesmanualintervention,improvesnetworkdeploymentandmaintenance

efficiency,andhasbeenwidelyappliedinmobilecommunicationnetworksystems.

Duetothelargenumberofdeploymentsandtheprivateandflexiblelocationsof5GFemto,

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itismorenecessarytorelyonSONtoavoiddependenceonmanualnetworkconfigurationandoptimization.Throughwirelessnetworkintelligenceandautomationmanagement,5GFemtocanachieve“plugandplay”functionality,improvingnetworkefficiency,performance,andstability,reducingoperationalcosts,andprovidinguserswithabettercommunicationserviceexperience.

5GFemtoneedtosupportthefollowingSONtechnologiesatleast:

.Self-starting:AutomaticallyobtainanIPaddress,detectnetworkmanagementsystem,

andestablishanOAMchannel.Automaticallydetectthegateway/corenetworkand

establishNG/S1interface.Downloadandinstallrelevantsoftwareandconfigurationparametersfromthenetworkmanagementsystemtoachieveautomaticconfiguration

ofsystemparameters.

.PCIself-configurationandself-optimization:AutomaticallyconfigurePCIduringcellestablishmentbasedontheprincipleofnoconflictsorconfusion,andoptimizePCIwh