基于FPGA的CDMA前向業(yè)務信道基帶模塊的研究與設計.pdf

1、93038‘索取呼；!趔塑2：塑3璺!量!Q一密緞：～—壘玨南京輝勉穴掌碩士學位論文固基于FPGA的CDMA前向業(yè)務信道基帶模塊的研究與設計作者：院系：指導數師：學科々業(yè)：馬靜物理科學與技術學院股奎喜教授物理電子學AbstractMObilecommunicationiSoneofthemostrapiddevelopmentfieldsinthecommunications，itproducesgreatinfluenceonhuma

2、nlifeandsocietydevelopmentW池therapiddevelopmentofInternetandtheincreasingneedofallkindsofwirelessservicesthewirelesscommunicationnetworkswhicharecharacterizedbyvoiceservice，callnotmeettheneedofmostpeoplenOWTherefore，thes

3、ystemofthethirdgenerationmobilecommunication(IMT2000)，whichischaracterizedbylargecapacity，hi曲datarateandmultimediaservice，willbethecardinaltechnologyofthewirelesscommunicationinthefutureCodeDivisionMultipleAccess(CDMA)is

4、oneofthecardinalmultipleaccesstechnologiesduetoitsgoodantinoiseperformance，securityandlowpowerinthesystemofthethirdgenerationmobilecommunicationTheIS95standardiSpresentedasaspreadspectrumdigitalcellularsystembasedonCDMAb

5、yQualeommcompanyItisthefirstsystemwhichintroducestheCDMAtechnologyindigitalcellularmobilecommunicationsasastandardAsasystemofthethirdgenerationmobilecommunication，CDMA2000isabackupsystemofIS一95CDMAItadoptsprimaryandbasic

6、technologiesofIS一95Inthefieldofelectronicdesign，FPGAasanewProgrammableLogicDevicehasgraduallybecomedapreferredmethodfordigitalhardwarecircuitdesign，whichprovidesabrandnewmethodforCDMAmobilecommunicationsystemAccordingtot

7、heconfigurationandcharacteristicofforwardtrafhcchannels，ageneraldesignprojectofbasebandmoduleispresentedinthisthesisInthisdesign，VHDLasaHardwareDescriptionLanguageisusedtoimplementeachprimarymoduleofbasebandsenderandpart

8、ialmodulesofbasebandreceiveronapieceofFPGARelevanttimingsimulationwaveformpicturesaregivenusingthesoftwareofQuartusII50TheresultsoftimingsimulationprovethisdesigntobefeasibleAllthemodulesareofconcisecodes，clearcommentsTh