基于（E）GPRS的流傳輸QoS.pdf

1、電子科技大學碩士學位論文基于（E）GPRS的流傳輸QoS姓名：陳飚申請學位級別：碩士專業(yè)：計算機軟件與理論指導(dǎo)教師：王曉斌20060508ABSTRACTABSTRACTWiththerecentdevelopmentofwirelesstechnologyandInternet，thereariseincreasingdemandsforradiopacketserviceGPRS(GeneralRadioPacketService)

2、aSthe25eramobilecommunicationsystemandEGPRS(EnhancedGPRS)asthe275eramobilecommunicationsystemhaveattractedmoreattentionfromgeneralpeopleAndstreamingserviceisanewserviceinGPRSwhichhasmuchmarketandapplicationvalueInthesyst

3、emof(E)GPRS，thereisnotonlythetransferringprotocolofpacketeddata，butalsotrytoofferQoSAlthou曲GPRSdefinesseveralservicelevels，itdoesn’tdescribetheprocessofQoScontrolindetailQoSisthekeyissueofstreamingtransmissionin(E)GPRSne

4、tworkTheGPRSCoreNetworkiSanIPnetwork，anditsQoSmanagementissimilartOInternetTherearesomedifferentiationsinQoScontrolof(E)GPRSRadioAccessNetwork，whichistheQoSguaranteebottleneckofhi曲erleveltraffiCInthispaperwemainlyfocuson

5、thesupportcapabilityandQoStechnologyofstreamingtrafficon(E)GPRSRadioAccessNetwork，suchasQoSparametersandcontrolarchitecturefollowedbothnewandoldGPRSTechnologySpecificationBasedonthestudiesofGPRSstreamingservicemodel，Radi

6、oAccessNetworkcommunicationprotocolandQoSrelatedSpecificationof3GPEwediscussedtheschemeofstreanfingtrafficin(E)GPRSRadioAccessNetwork，includingmainlyQoSmanagementmodulesuchasAccessControl，F(xiàn)lowControlandSchedulingWeprovid

7、eanEBRalgorithmofstreamingtrafficusinginwirelessresourceallocationpolicyandkeepingcompatibilitywith3GUMTSOoSstandardsWithanalysesontheissuesthataffectstreamingQoS，WeimprovetheCellRe—selectionwithathirdperiodbasedmethodWi