基于短消息的GSMR智能网动态语音组呼业务研究

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1、北京交通大学硕士学位论文基于短消息的GSM-R智能网动态语音组呼业务研究姓名：彭定志申请学位级别：硕士专业：通信与信息系统指导教师：谈振辉20080601ABSTRACTABSTRACTABSTRACT：Asanewgenerationofrailwayintegrateddigitalmobilecommunicationnetwork,GSM—R，whichiSnowmoreandmorewidelyusedintheworld．istheevolutiondirectionofChinarailwaymobilecommunic

2、ation．Withtheconstructionandapplicationofalargenumberofpassengerdedicatedlinesandhi曲speedrailways，GSM-RhasbeengreatlydevelopedinChina．DispatchingcommunicationisoneoftheprimaryapplicationsofGSM—Rinrailway,andplaysanimportantroleinimprovingoperationefficiencyandensuringtr

3、afficsafety．VoiceGroupCaUServiceisallindispensablefunctionindispatchingcommunication．Butbecauseofthelimitationofitsimplementingmechanism．VGCScurrentlycannotfullymeetthedemandoftemporarycommunication．Soanewrailwayservice，DynamicVoiceGroupCallService，isproposed．Thisdisser

4、tationfirstlyanalysesthepricinpleandnetworkstructureofVoiceGroupCallService，andstudiesitsshortage．ThenresearchesontheprincipleandfeatureofDynamicVoiceGroupCallService，explainsthedynamicattributeofgroupcallmembersandareas，anddescribesserviceflowandimplementingmeans。砀eser

5、vicefeature，structureofnetworkandprotocol，transmittingchannelandprocessingflowofSMSiSdiscussed，andserviceimplementationschemebasedonSMSinGSM·Rintelligentnetworkisfocusedon．Networkstructureandserviceflowoftheimplementationschemearedefined，relevantmessagecontentisstandard

6、ized，in-depthdiscussionandanalysisaredonetodesigntheschemeontheaspectsofSIMcardwithSTKfunction，networkinterfacesandOTAapplicationdownloadserverinscP,whichishelpfulinimplementingtheservice．ServiceimplementationisextendedaccordingtothecarriedmethodforSMSandservicemenu，whi

7、chiStoimprovetransmissionefficiencyandsimplifyUSeroperation．Atlast，allapplicationscene，DynamicVoiceGroupCallServicebasedontrainfunctionnumber,iSdescribed，andtheservicecharacteristicisanalyzedtoprovidereferencefortheapplication．KEY'WORDS：GSM-R：IntelligentNetwork；DynamicV

8、oiceGroupCallService；ShortMessageService；OvertheAirCLASSNO：TN929．52：U285．21Ⅶ学位论文版权使用授权书本学位论文作者完全了解北京交通大学有关保留、使