車載式集群通信系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn).pdf

1、華中科技大學(xué)碩士學(xué)位論文車載式集群通信系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)姓名：杜軍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電子與通信工程指導(dǎo)教師：汪小燕20040429華中科技大學(xué)碩士學(xué)位論文AbstractBeingalladvancedprivatemobilecommunicationsystem，trunkedcommunicationsystemhasshownarapidgrowthinrecentyearsThenetworkscaleofthesyste

2、mhasbeenexpandingcontinuouslybytheapplicationofnetworkingtechnologyInthemeantime，thesystemistrendingtominiaturizationandintegrationnlevehiclemmkedcommunicationsystemhasbeendevelopedforthedemandofminiaturizationThevehicle

3、systemhassmallerdimension，higherflexibilitymoreconvenientoperationandmaintenanceascomparedwiththefixingsystem111esignallingofthevehiclesystemisinfullaccordwiththatofthefixingsystem，whiletheequipmentsofthetwosystemsarecom

4、patibleentirelyThevehiclesystemisprovidedwiththemainfunctionsofthefixingsystemThisworkfocusesonthedesignoftheCenterControlUnitoftrunkedcommunicationsystemTheunitistheheartandbrainofthevehiclesystemconsistingofthreemodule

5、sthatarerelativelyindependentTheControlAndExchangeBoardimplementscontrol，managementandexchangeofthewholesystem；TheBaseStationControlBoardcarriesoutinternalcontrolandsupervisionofthewirelesschannels；TheDataCollectorAndTel

6、ephoneInterfaceBoardfulfilsinternaldatatransmissionofthesystem，andprovidestelephoneconnectinterfacebetweenthesystemwithlinesandthespecialconsoleAdoptingthethoughtofmodularizationdesign，thethesisperformsthewholeschemedesi

7、gnoftheCenterControlUnitandthehardwaredesignoftheinternalcomposingmodulesAccordingtothefeaturesofthevehiclesystem，theembeddedindustrycontrolcomputerisintroducedintothedesign，andCMOSandSMT(surfacemountingtechnology)device

8、sareusedonalargescaleAsaresult，thedesigndecreasesdimension，lowerspowerconsunle，andenhantesshock—resistantperformanceandreliabilityimmenselyThethesisalsoexpatiatesonthesoftwaredesignproceduresofthetelephoneconnectinterfac