一種新型的LTE-A雙碼本設(shè)計及其魯棒性分析.pdf

1、華中科技大學碩士學位論文一種新型的LTEA雙碼本設(shè)計及其魯棒性分析姓名：俞錦申請學位級別：碩士專業(yè)：通信與信息系統(tǒng)指導教師：王德勝20110118華中科技大學碩士學位論文華中科技大學碩士學位論文IIAbstractThesustainedrapidgrowthofthemobileusersnumberthespringupofwirelessmultimediaoperationcausesthecontradictionbetwee

2、ntherequirementoftransmittingrateincreasinglyrisinglimitedavailablefrequencybwidthincreasingconspicuous.Indertoimprovethereliabilityefficiencyofwirelesscommunicationresearchersseekthewirelessresourcefromtimefrequencysoon

3、domainsgraduallyobtainwidelyuseinTDMACDMAsystem.Comparingtothematuretechnologiesinthetimefrequencydomainrecentyearstheresearchersstarttoseekthetechnologiesinspatialdomainwithenthusiasmobtainquiterapiddevelopment.Theintro

4、ducingofMIMOinspatialdomaincanobtaingoodtradeoffbetweenmultiplexingdiversityfapplyinghoweverasmostoftheexistingtheeticanalysisisbasedonthetransmitterreceivercanobtainfullCSItheattainingoftheCSIinpracticalsystemespecially

5、inLTEAwhichisbasedonMIMOOFDMissubjecttochannelfeedbackquantity.TherefewecannotattaintherealcompletefullCSI.InadditiontheantennasinMIMOareaffectedbysizeaccuracyoferectioninpractice.TheestimationerrofCSIisinevitable.Henceh

6、owtouseasloweraspossiblefeedbackquantitytoobtaindirectindirectCSIwithashigherasaccuracyhasbecomeapressingproblemfthedevelopmentofLTEA.ThethesistakestheprojectnamedCrosslayeroptimizationtechniquesientedIMTAdvancedwhichiss

7、upptedbyNationalKeyTechnologyR&DPrograminthe11thFiveyearPlanofChinaasthebackground.OnthebasisofsinglecodewdfLTE4TxaccdingtotheintrinsicpropertiesofMIMOinLTEA8TxanovelcodebookstructureswithdoublecodewdfLTEA8Txisproposed.T