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ID:36439541
大小:4.99 MB
页数:72页
时间:2019-05-10
《基于IMS架构的IPTVR系统的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、北京交通大学硕士学位论文基于IMS架构的IPTV-R系统的研究姓名:王琪申请学位级别:硕士专业:计算机应用技术指导教师:张宁20081201ABSTRACTThedevelopmentofhigh-speedrailwaybringsalotofconvenienceforpeople,butitalsorequestsmoreefficiencyandsecurity.Howtokeepthesecurityandhi曲efficiencyofhigh—speedtrainhasimportantresear
2、chsignificance.Therailwaycontrolcenterrequiresmoreandmoreaudioandvideoinformaitonexceptalargenumberofbusinissdata.Astherangeoftherailwayisverywide,itreferstomanykindsofapplicaitonsystem,railwaycenterusesmanykindsequipmentofdifferentmanufacturers.Itisdifficul
3、ttoresolvecompatibilityproblemsofvideosurveillanceandvideoconferencesystems,andSOitisthebusinesssystemsofrMlway.IMSnetworkwithhighintegrationstructureandhi【ghperformanceplatformCanbeappliedtolarge—scaleheterogeneousmulti-medianetwork.Itcanalsointegratediffer
4、entapplicationsystems,differentkindsofnetwork,alargenumberofprocessing,storageandterminalsintoanorganicsystem.Soitcangivebetterservicesforthevariousbusinessofrailway.IMSnetworkwillbringbeRermobilityandhigherbandwidth,anditalsoCanprovideopenbusinessinterfacew
5、hichprovidesanopportunityformoreflexible,variedandcolorfulmulti-mediabusiness.Thispaperdiscussestheintegrationtechnologyofrailwaymulti。mediaapplicationsystenlbasedonIMSstructureandintroducesIPTV-R(IPTvforRailway)basedonthisstructure.Itresearchsthewaysofbuild
6、ingcommonvideosurvillanceandvideoconfei'enceonIMSsturctureanditmakesconditionsfortheintegrationofmulti·mediaapplicationsystem.IIlthepartofvideosurveillance,thisarticledesignsthesystemstructureofvideosystemandgivesdetailsignalflowofeachfunctionofvideosurveill
7、ancebasedonIMSnetwork.ItmainlyincludesUSerregistraionservice,sessionbuliding,videotransmission,RTPvideotransmissionaftersuccessfulsessionbuilding,andtheendusercaninteractwiththecamerabyMRF.Inthepartofvideoconference,itgivesthedesignofthestructureofvideoconfe
8、rence.Intheprocessofdesigningbusinessserver,thispaperdoesdetailsignalflowdesignforsomekindsofmodeofconference.Itmainlyincludescreating,joining,quitingandterminatingofconference.Thenitgivesdetail
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