協(xié)同通信中的功率分配研究.pdf

1、南京郵電大學(xué)碩士學(xué)位論文協(xié)同通信中的功率分配研究姓名：許育進(jìn)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：邵世祥20090301南京郵電人學(xué)碩Ij研究生學(xué)位論文AbstractAbstractInwirelesscommunication，manydiversitytechnologieshasbeenputforwardinordertoconfrontthedeclineofthewirelesschannelCooperativ

2、ediversityisanewdiversitytechnologyitformvirtualMIMOantennaarraytoimprovethesystemperformancebyUSerScooperativecommunicatingCooperativediversitysystemsandtheirpropertiesbecomearesearchhotspotWithindepthstudyofcooperative

3、systems，powerallocationtechnologyisintroducedtothecooperativesystem，theuseofpowerallocationtechnologyplayanimportantroleinreducingthesymbolerrorrateofcooperativesystem，improvingcooperativesystemcapacityandSOonFirstlypape

4、rintroducesthebasicprinciplesofcooperativediversityandanalysisseveralcommoncooperativesystemanditsperformanceThenpaperanalyzedtheoptimalpowerallocationofDFandAFformakingSERtobethesmallestIndifferentchannelconditionswesim

5、ulateandcomparetheperformanceofthecooperationsystemswitheitherDForAFAccordingtheInstantaneouschannelstateinformation(ISCI)andstatisticschannelstateinformation(SCSI)toworkingouttheoptimalpowerallocationofmaximizingsystemc

6、apacityinthispaperBasedonthis，indifferentchannelconditionswesimulateandcomparethedifferentpowerallocationinfluencingthesystemcapacityFinallypaperstudiesthetwodifferentpowerallocationmechanismsofmultinodecooperativecommun

7、icationsystem：centralizedpowerdistributionanddistributedpowerallocationThroughtheanalysisofthese，weproposedasub—optimizationpowerallocationunderAFcooperativesystemThesimulationresultsshowthat，withonlypartoftheICSItheAFco