lte系统下行多用户无线资源分配技术的-研究

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1、南京邮电大学硕士研究生学位论文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南京邮电大学硕士研究生学位论文目录目录摘要..................

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7、...................................................................................................................III第一章绪论...........................................................................................................................11.1移动通信的发展........................

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