资源描述:
《lte系统自适应资源分配算法-研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、AbstractMobilecommunicationtechnologymakesthecommunicationbetweenpeoplemoreconvenient,italsoenrichespeople’sentertainmentlife.Thebusinesstypesofmobilecommunicationhavenowbecomemoreabundant,thusmakingcommunicationsystemsfacemoreproblems,oneofwhichishowtoallocateallkindsofresourceseffi
2、cientlyincommunicationsystem.Thisthesistakesthisproblemastheobjectofstudy.Thispapermainlyintroducesseveralaspects:resourcestatusofresourceallocationalgorithm,themobilechannelpropagationcharacteristics.MIMOandOFDMprinciple,thephysicallayerandcrosslayerresourceallocationalgorithmsetc..
3、Inaddition,thispaperisimprovedtwoalgorithms:thefirstoneisimprovedintheresourcesallocationalgorithmsofthephysicallayer;thesecondoneisimprovedintheresourcesallocationalgorithmsofcrosslayer.Theproposedalgorithminthephysicallayerisminimizingtransmitpowersystem.Thealgorithmisbasedonguaran
4、teeingtheuserfairness,transmitpowerminimizationofsub-carrierandbitallocationforsystembasedon.Theideaistofirstdistributionaccordingtouserchannelgainfromworsttobestordersub-carrier,andthencomparetheirpowertofindsub-carriereventuallyforusers,finallyusesthegreedywaterinjectionsub-carrier
5、allocation.Thesimulationresultsshowthatthealgorithmreducesthetransmissionpowerofthesystem,therebyimprovingsystemperformance.Theimprovedalgorithmofresourceallocationincrosslayeristomaximizethethroughputofthesystemanddelayminimization.Theideaistoqualityofservice(QoS)andtherelationshipb
6、etweentheservicecost,thephysicallayer(PHY)channelinformation,mediaaccesscontrollayer(MAC)offinitelengthuserbufferqueueinformation,aswellasthequalityofservicestotheapplicationlayerserviceanduserproportionalraterequirement,intheheartoftheuserresourceallocationandschedulingtoachievethee
7、xchangeofinformationbetweendifferentlayersofthesystem,andtherealizationofthesystemthroughputmaximizationandreducesthetimedelayofthesystem.II万方数据Keywords:Thephysicallayerresourceallocation,Transmitpower,Crosslayerresourceallocation,QualityofserviceIII万方数据南昌航空大学硕士学位论文目录目录摘要............
8、............