资源描述:
《the infrastructure platform for remote learning论文》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、TheInfrastructurePlatformforRemoteLearning论文.freeltheconceptoftheinalotelearningonlineathomeostimportantstudyingmodelinthefuture,sotheHomeNetforremotelearning,inthispaperediaofHomeNet.KeyotelearningHomeNet1.TheBackgroundostofthemarelessperformanceproductsexceptafee
2、bodiedOSandICisthekerneltechnologies.CurrentprevailingembodiedOSareicroEdition,Pjava,EjavaandourobodiedHopenOSdesignedbyKAISICooperation.TheembodiedICincludesLonEinterface,itsapplicationenvironmentandspecialuseobjectsdecidethefolloeyoungtoold,theculturelevelandrela
3、tivetechnologyisdifferentfromeachother,sotheusabilityofHomeNetisveryimportanttodevelopthehomearket,thustheUImustprovideaflexible,simpleandintuitionalinterfacetothegeneralusercollective.Mobility:HomeNetisaheterogenouseareconnectedbyHOME,usersshouldconfigure,control,
4、manageandchecktheanceandequipmentstatusfromdifferentaccesspoints.Scalability:Duetotheeconomics,technologyandmarketelements,theprocessofHOMEconstructionisnotaninstantprocedure,butisaaccumulatingone,sothetopologystructuremustfacilitatethesystemupgradeandmaintenance,a
5、ndtheUIshouldprovidetheproperinterfacetotheneent.2.4AccesssectionistheconnectionbeteNet,accesstechnologycanbedividedintot,HFC/CableModem,FFTHandxDSLtechnologies,thetechnologyhasloissionrate,eandxDSLtechnology,andintheend,theFTTHandediaThereareseveralmunicationmedia
6、athomeasfollo,FB(fiber),PL(poission(IEEE802.11,HomeRF,Bluetooth).TP,TLandPLarecurrentprevailingmediainHomeNet,FB,xDSL,CableModemandediainateinthefuture.Theimplementofconnectionscenariosarerelativecloselytothemunicationmedia.ThetustbeobservedinHOMEconstruction,thefi
7、rstistheusabilityandtheanotheristhereasonablecost.DuetoHOME’Svariousfunctionsandeachfamily’saffordingability,theconnectionscenarioseTLplicityandreliabilityisitsadvantage,andthecostisloakesitconvenienttoupgradefrom10mpbsto100mpbsand1000mpbsetherprotectingtheoriginal
8、investigates,sothisisapreferredscenarioinconstructingHomeNet.TLHomeNet:HomeTLtechnologymakesitpossibletobuildahighspeedebyusealreadyexistingtelep