MIMO系統(tǒng)基于天線選擇的混合空時編碼的研究.pdf

1、、二‘1、學(xué)#『]婁。羔。：差∞罐目：■墜翌業(yè)二單位f《日：—盟2塑__gg——二。商名啷露z碧碩士學(xué)位論、文論文題融MIMO系統(tǒng)基于天線選擇的混合空時編碼的研究一，———————————■_—————一學(xué)生姓名李棟學(xué)號Y040902一指導(dǎo)教師堡堡塹_墼矍二學(xué)科專業(yè)堡量蘭墮墾竺型研究方向堡垡望堡生盟盟皇堡童絲壅論文提交日期三望殳圭笙嬰=_塑AbstractNowadaysMIMOtechnicalhasbecomeahottopicdu

2、ringthedevelopingprocessofwirelesscommunicationsWhichcanincreasethecapacityofthechannelwithoutincreaseinbandwidthManyscholarshavedeepstudyonthistechnologyHowever，whatismoreimportantishowtoapplythisadvancedtechnologyintea

3、lwirelesscommunicationsystemswhichonlyhavefiniteresourcesOnbasisofthepracticability，theobjectofthisthesisistOstudyakindofhybridspace—timecodingscheme，whichcombinestheadvantageofbothSTBC(Space—TimeBlockCoding)andBLAST(Bel

4、lLabsLayeredSpace—Timecoding)ThemainworkinthethesisistoproposeanewhybridcodingschemeinwhichtheSTBCpartisbasedonantennaselectionInthisscheme，wegrouptheantennasbasedonthechannelstateinformation(CSI)thatfeedbacktOthetransmi

5、tterfromthereceiver，choosingtheantennaassociatedwiththesub—channelwithlowerperformancetochansmittheSTBCbits，andtheothers，theV—BLASTbitsInsuchaway，theperformanceoftheMIMOsystemcanbeimprovedbyutilizetheadvantageoftheSTBCTo

6、comparetheimprovedhybridcodingschemewiththeoriginalhybridcoding，AlamoutiandV—BLASTschemes，wedidtheperformancesimulationsimulationresultsshowthattheimprovedhybridcodingschemeisoutperformancedcompairedwithothersKEYWORDS：MI