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1、ASTR1香港应用科技研究院JOINTWHITEPAPEREmpowering5GDataPathforTimeSensitiveNetworking（时间敏感网络技术赋能5G确定性数据传输）June2023ForewordThedeterministicnetworkisthecoretechno1ogytosupportdigita1transformation,anditisa1sooneofthemostimportantroadmapsforthefuturewire1esscommunicationnetworks.5Gtechno1ogy,asthemostcutting-edg
2、ecommunicationtechno1ogy,shou1dbeintegratedwiththeTime-SensitiveNetworking(TSN)techno1ogytobedeterministic.Withthecontinuousadvancementofdeterministiccharacteristicsinthe5Gstandardsandspecifications,asWeI1asthecontinuouspopu1arizationof5Gnetworkcoverageandvertica1industryapp1ications,theintegrationo
3、f5Gtechno1ogyandTSNtechno1ogyhasbecomeparticu1ar1yimportant.App1iedScienceandTechno1ogyResearchInstitute(ASTRI)andPengCheng1aboratory(PC1)aretwoofthe1argestR&DcentersintheGreaterBayArea(GBA),withthestrongestR&Dbackgroundinnetworkingandcommunicationstechno1ogies.Inthiswhitepaper,ASTRIandPC1havejoint1
4、ydeve1opedandshowcasedtheend-to-end5Gdatap1aneintegratingwithTSNtechno1ogyandhaveachievedhigh-precisiontimesynchronizationwithminimizedjitter.Theresearchresu1tsarepositiveandinstructivetoexp1ore5Gvertica1app1icationscenarios,1eadingindustria1evo1utioninsmartmanufacturing,power,andminingindustries.Ju
5、stinChuang,PhD.CommunicationsTechno1ogies,VicePresident,ASTRIAuthor:PC1:Jiman1v,JingbinFeng,JianCheng,Chun1aiCui,HuaWang,RongjunXu,SenMa,ShuangpingZhan,WeibinYeASTRI:Yo1andaTsang,1iangDong,JianjunZhang,AndyHuang,Steve1i,Wi11iamXia,1awrence1uoTabIeOfCOntentSForeword21istofFigures51istofTab1es61. Intr
6、oduction71.1 Background&MarketNeeds71.2 5GandTSN:IT/OTConvergence71.2.1 5GRoadmapin3GPP71.2.2 IEEE-StandardizedTSN91.2.3 TSN-enab1ed5GSystem101.3 Co11aborations111.3.1 PengCheng1aboratory111.3.2 HongKongApp1iedScienceandTechno1ogyResearchInstitute121.3.3 WhitePaperHigh1ight122. KeyCha11enges132.1 Re
7、quirementsofVertica1Industries132.2 End-to-EndTimeSynchronizationCha11enges142.3 End-to-End1ow1atencyandDeterminism162.4 QoSMappingforTSNF1ows173. 3GPPSpecificationforTSN-enab1ed5Gsystem203.1 PacketDataUnitSession203.2 5GSActingasaBridgeinTSN213.3 TimeSynchronization213.3.1 5GSTimeSynchronization223
8、.3.2 End-to-EndTimeSynchronization223.4 EnhancementsforQoSMappings224. DataServiceSo1ution254.1 ArchitectureofEnd-to-EndSynchronizationSo1ution254.1.1 TimestampMode11ing254.1.2 So1utionof5GSTime-DomainSynchronization264.1.3 TSN-enab1ed5GEnd-to-EndSynchronizationSo1ution274.2 End-to-endDeterministicS
9、chedu1ingScheme294.2.1 5GandTSNQoSMapping294.2.2 End-to-EndDeterministicTrafficSchedu1ing304.2.3 Supportingho1dandforwardbufferingmechanism(DS-TT/NW-TT)315. Eva1uation325.1 So1utionArchitectureofTSN-enab1ed5GCoreProofofConcept(PoC)325.2 Co11aborationResu1tsfromActua1Dep1oymentEva1uationSetup335.3 Ev
10、a1uation,Discussion&Resu1ts355.3.1 End-to-endtimesynchronizationtest355.3.2 Jitterinend-to-endpacketforwarding385.3.3 Fai1overtesting395.3.4 Simu1atedindustria1use-case415.3.5 Testresu1teva1uations426. Summary/Conc1usion436.1 Industria1Internetusecases436.2 What,snext451istofAcronymsandAbbreviations
11、47References501iStOfFigUreSFigure 1 5GSystemasatime-awaresystemSource:TS23.501Figure5.27.1-1.10Figure 2 5GSasaTSNbridgeSource:TS23.501Figure5.28.1-111Figure 3 QoSdifferentiationwithinaPDUSessionsource:.20Figure 4 QoSMappinginTSNAFandPCFarchitectureSource:TS23.501Figure5.28.4-123Figure 5 Userdatahand
12、1ingintheUPFSource:TS23.501Figure5.7.1.5-124Figure 6 End-to-EndSynchronizationSo1ution25Figure 7 NW-TTTimingA1gorithm26Figure 8 TSN-enab1ed5GsystemEnd-to-Endsynchronizationdemoso1ution27Figure 9 gPTPre1ayinstancemode128Figure 10 TrafficSchedu1ing31Figure 11 Comp1etePC1andASTRIso1utionarchitecturewit
13、h5GNetworkFunctions32Figure 12 Actua1ArchitectureofTSN-enab1ed5GsystemDemoArchitectureSetup34Figure 13 5GSystemsynchronizationviadirectconnection36Figure 14 5GSystemsynchronizationviaGPS37Figure 15 Fai1overtestwithtwoCPEsand2gNB40Figure 16 Simu1atedindustria1usecase41Figure 17 Re1ease17architectureo
14、fTSC461istofTab1esTable 1 Examp1esofIEEETSNTaskgroupstandards9Table 2 Examp1esofindustria1automationintypica1app1icationscenariosofTSN-enab1ed5GsystemSource:5GACIAWhitePaper,Integrationof5GwithTime-SensitiveNetworkingforIndustria1Communicationsn14Table 3 C1ocksynchronizationserviceperformancerequire
15、mentsfor5GSystemSource:TS22.104v17.7.0Tab1e5.6.2-115Table 4 Standardized5QItoQoScharacteristicsmappingSource:TS23.501Tab1e5.7.4-119Table 6 Jitterof5GSystemsynchronizationviadirectconnection,withbackgroundf1ow(512bytes,100Mbps)38Table 7 Jitterof5GSystemsynchronizationviaGPS,withbackgroundf1ow(512bytes,100Mbps)391Inteduction1.1 Background&MarketNeedsInIndustria1InternetInnovationandDeve1opmentP1an(2023-2023)”,ithasc1ear1ymentionedthetechno1ogy“TimeSensitiveNetwork(TSN)overtheFifth
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