無線衰落信道的研究以及模擬器的實現.pdf

1、上海大學碩士學位論文無線衰落信道的研究以及模擬器的實現姓名：王世杰申請學位級別：碩士專業(yè)：通信與信息系統(tǒng)指導教師：李迎春20090101上海大學碩士學位論文AbstractWirelesscommunicationisanimportantmethodinthefieldofcommunicationsandwirelesstidingchannelaffectswirelesscommunicationseverelyThus，the

2、researchofwirelessfadingchannelhasacrucialeffectonwirelesscommunicationsWiththedevelopmentofwirelesscommunications，manychannelmodelsthatdescribethefadingofasignal’SamplitudeandphasehavebeenputforwardMostofthemaredependen

3、tonthesystem’SworkingenvironmentSoacomparativelycommonmathematicalmodelisneededtodescribeamajorityofsituationssignalattenuatesinthewirelessfadingchannelAtthesametime，thetraditionalmethodoffadingchannelsimulatorhasashorta

4、geofnoperfectaccuracywhichhastobeimproved，becauseofuncertaintycausedbytheA／DandD／AconversionFirstlythepaperexpoundscurrentdevelopmentandsignificanceoftheresearchforwirelesstidingchannelandthemajorfactorsthataffecttheperf

5、ormanceofwirelesschannelhavealsobeenanalyzedThenthepaperintroducestheexistingmathematicalmodelsofwirelessfadingchannelSecondlyageneralRiceandanextendedSuzukimobilefadingchannelmodel，whichhasthecharacteristicsofbothmultip

6、athinterferencefadingandshadowfadingmodel，isutilizedItisadaptedtonotonlylandtolandmobileradiochannels，butalsolandtosatellitemobileradiochannelswhichmakesitacomparativelyuniversalmobileradiochannelmodelThirdlythecomputerm

7、odelfortheextendedSuzukimobilefadingchannelmodelispresentedinordertealizethesimulatorThecalculationmethodandoptimizationofvariousfadingparametersaregivenaswellFourthlyanimprovingdesignisproposedtesolvetheproblemoftraditi

8、onallydesignedsimulator，expatiatetherealizationofthehardwareandsoftware，includingtheselectionofchipsandthecircuitdesigningofallmodulesinhardwareandtheflowchartandconfigurationsettinginsoRware，aswellastheappropriatedebugg