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1、南京郵電大學(xué)碩士研究生學(xué)位論文AbstractAbstractWiththeprogressofmobilecommunication,ademandforwirelessservicesisgrowing,andthefuturewirelesscommunicationsystemsrequiringhigh-speeddatatransmissionshouldsupportalargenumberofsubscriberandensurethefulfillmentofquality-of-service(QoS)requirementsforwi
2、relessmultimediaservices.LongTermEvolution(LTE)definedby3GPPcanmakeuseoflimitedradioresourcestoprovidehigh-speeddatatransmissionandachievehighsystemthroughputunderensuringthedifferentQoSofusers.Toachievetheoptimaldesignofthesystem,themethodstoallocatewirelessresourcesaretheimporta
3、ntissues.Thispaperfocusesonresourceallocationalgorithmfordownlinkmulti-userOFDMAsystem.First,thispaperresearchesseveralclassicalschedulingalgorithmsandgivestheperformanceanalysisbysimulatingpracticefortwoalgorithms.Thencombiningweightedfactor,itproposesWeightedMulti-carrierProport
4、ionalFair(WMPF)scheduler.Inthispaper,wesimulatetheschedulerinMatlabandtheresultsverifythepracticabilityandtheeffectivenessofWMPFscheduler.ComparedwithtraditionalPFalgorithm,WMPFnotonlyguaranteesthesystemthroughput,butalsoprovidedelayguaranteeforreal-timeusersandminimumrateguarante
5、efornon-real-timeusers.Forthereal-timeusers,thepackerlossrateislower1percentthanPFalgorithm.Furthermore,thealgorithmguaranteesfairnessamongusers.Thepaperprovidesagoodfoundationforfutureresearch.KeyWords:OFDMA,resourceallocationalgorithm,QoSII南京郵電大學(xué)碩士研究生學(xué)位論文目錄目錄摘要..................
6、......................................................................................................................IAbstract..................................................................................................................................II目錄....................
7、...................................................................................................................III第一章緒論...........................................................................................................................11.1移動(dòng)通信的發(fā)展........................
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