gsm-r集群调度业务无线资源管理策略的研究

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1、ABSTRACTABSTRACT：GSM-Rtnmkeddispatchservicesarewidelyusedasadvanc村voiceserviceinrailways，marshallingyardsandlargestations，andthequalityoftheseserviceshasdirectimpactontheecurityandreliabilityofthe期．ilwaydispatchingcommunication．Trunkeddispatchserviceshavegreatdemandsforfrequencyresource,butonlybandw

2、idthof4MHzfrequencyisavailableforGSM—Rnetwork．Therefore,inordertoprovideservicetoasmanysubscribersaspossiblewiththelimitedresourceundertheconditionofqualifiedcoverageandservice，radioresourcemanagementstrategiesarestudiedinthispaperbased011testresults．TwoimplementationsofdynamicVGCSthatVGCSbasedonUns

3、tructuredSupplementaryServiceDataanddynamicVGCSbasedonShortMessageareproposedinthispapertosolvetheproblemsofstaticVGCS．IncontrasttodynamicVGCSbased011ShortMessage,dynamicVGCSbasedOilUSSDhasbetterqualityforitsgoodsolutiontomakeupthedefectsofstaticVGCSandtoimprovethetimelinessandconvenienceofrailwaydi

4、spatchingcommunication．AppropriateallocationstrategiesofVGCSandVBStrafficchannelareproposedbyimprovingthestandardstrategiesgivenby3GPPinthispaper．Thenewstrategiesnotonlyprovidehigherresourc是utilizationbutalsorealizebettersubscribermanagementofnetworkbythereal-timeinteractionbetweenbroadcastlisteners

5、andspeaker．Inaddition,thereleaseprocessaftertheresourcepreemption011thesubscriberinterfaceinEnhancedMulti—LevelPrecedenceandPre-emptionserviceisstudiedinthisPaperanditisalsoverified．Inthelastpartofthispaper,thesignalingprocessofGSM·Rtrunkeddispatchservicesareverifiedbasedontheresearchabouttherelated

6、testc毖lsesintheGSM-RverificationtestonBeijing·Kowloonlineinordertoprovideguidanceforengineeringpractice．KEYwORDS：GSM．R：Trunkeddispatchservice；VGCS；VBS；eMLPP；RRMCLASSNO：TN929．52目录中文摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯iiiABSTRACT⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ivl绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

7、⋯。l1．1集群通信业务的综述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2无线资源管理的综述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21．3GSM．R集群调度业务对无线资源管理的需求。⋯⋯⋯⋯⋯⋯⋯⋯．．41．4论文内容和结构安排⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯42动态语音组呼业务的研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．62．1语音组呼业务⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯