WCDMA基站无线性能指标测试系统的设计

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1、北京工业大学硕士学位论文WCDMA基站无线性能指标测试系统的设计姓名：李新申请学位级别：硕士专业：计算机应用技术指导教师：张建标20061101北京工业大学工学硕士学位论文AbstractThearticlefocusOnsearchingWCDMAbasestationtestsystem．itgivesitsolutionOnhowtofinishautomatictestbycontrollinghardwareequipmentsandhowtogeneratetestl'epOl'LHighlevelde

2、signdescribessoftwarestructureandhardwareenvironmeaatwhichsupportssoftwareworking．HardwareenvironmentincludesRNCsimulator,WCDMAsisalanalyzer,掰a9时zsignalgenerator,CWgenerator,RFbox,RFcables,GPIBcablesandcomputer．GPmbusistheinterfar,．eamongcomputer,RFboxandinstr

3、uments．andcomputer锄eommunieateswimRNCsimulatorandbasestationviaLAN．Thussoftwarecanworkaccordingtoatestprocedure．At丘rsLRNCsimulatorsendsparameterstobasestationtogeneratedownlinkWCDMAsignalwhichwillreachtosignalalullyzerthroughspecialpathofRFbox,andthensignaZana

4、lyzersetsmcasttrcmentparametersandreportstestresults．Regardingreceivertest,RNCsimulatorsendsparameterstobasestationtobuilduplinkWCDMAchannelswhicharcinaccoi'dsncewithtestspecificationTS25．141．Atthistime,signalgeneratorssenduplinksignals．suchall：WCDMAsi霉aalPN9．

5、AWGNorCWtobasestationthroughdifferentpathsofRFbox．ThenbasestationbeginstodemodulatesignalsandreportBERorBLERtoRNCsimulator．Highlevelsoftwareismaineonlrolmodulewhichisdividedinto7submodules．MMI,RNCsimulatorandbasestationcontrolling,RFboxcontrolling，signalanalyz

6、ercontrolling,CWgeneratorcontrolling,WCDMAcontrollingandreportgenerating．SoftwaretILTlbeuNatedeasilybyupdatingonlysubmodulewhencustomerswanttochangetestinstrument．Labviewlanguageistheprogrammabletooltowritesoftwarecode．Labviewgraphicalinslzumentationsoftwaregi

7、vesakindMMIoncomputerscreentocontroltestinslnmaentsandtoshowtestresults．Bytakingadvantageofdynamiclinklibrary(DLL)capabilitiessuppliedby801nOcompanies．software啪createdwithallopenprogrammingeaavironment．SoWecandrasticallyreducedevelopmenttime．WCDMAautotestsyste

8、mspeeduptestinproductdevelopment，productionandnetworkmaintainanee．ItCallalsoresolvetesterrorsproducedbymalltest．KeyWordsWCDMABaseStation；AutomaticTestSystem；Radiol'erformanee；Labvi