基于IMS架构的IPTVR系统的研究

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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